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Aurelien Jarno:
Modified:
src/Makefile
src/configure
src/main.c
src/stack-def.h
Anthony Romano:
Modified:
src/call-rsa.c
src/main.c
src/mod.c
Jeremy Drake:
Modified:
regnual/regnual.c
Kaz Kojima:
Added STM32 Primer2 support.
NIIBE Yutaka:
Founder of the project.
Wrote tools for STLink/V2:
tool/stlinkv2.py
Wrote tools for DfuSe:
tool/dfuse.py
tool/dump_mem.py
tool/intel_hex.py
Wrote a tool for Gnuk:
tool/gnuk_put_binary.py
tool/gnuk_put_binary_libusb.py
tool/gnuk_remove_keys.py
tool/gnuk_upgrade.py
Wrote a tool for USB Hub:
tool/hub_ctrl.py
Wrote a tool for testing card reader with pinpad:
tool/pinpadtest.py
Wrote reGNUal implementation:
regnual/regnual.c
regnual/sys.c
Wrote Gnuk implementation:
gnuk.svg
src/configure
src/ac.c
src/call-rsa.c
src/debug.c
src/flash.c
src/gnuk.h
src/main.c
src/neug.c
src/openpgp-do.c
src/openpgp.c
src/openpgp.h
src/pin-cir.c
src/pin-dial.c
src/pin-dnd.c
src/random.c
src/sys.c
src/usb-icc.c
src/usb-msc.c
src/usb-msc.h
src/usb_ctrl.c
src/usb_desc.c
src/usb_lld.c
src/usb_lld.h
*
and others.

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# Email # 6-byte serial number, separated by ':'
gniibe@fsij.org f5:17:00:00:00:01

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gnuk/GNUK_USB_DEVICE_ID
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# VID:PID bcdDev Product_STRING Vendor_STRING
0000:0000 0200 Gnuk Emulation Free Software Initiative of Japan
234b:0000 0200 Gnuk Token Free Software Initiative of Japan
20a0:4211 0200 Nitrokey Start Nitrokey
##########<TAB> ##<TAB> ##########<TAB> #################

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USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the "copyright" line and a pointer to where the full notice is found.
<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
Also add information on how to contact you by electronic and paper mail.
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
<program> Copyright (C) <year> <name of author>
This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, your program's commands
might be different; for a GUI interface, you would use an "about box".
You should also get your employer (if you work as a programmer) or school,
if any, to sign a "copyright disclaimer" for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
<http://www.gnu.org/licenses/>.
The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.

787
gnuk/NEWS
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@ -1,787 +0,0 @@
Gnuk NEWS - User visible changes
* Major changes in Gnuk 1.2.6
Released 2017-10-11, by NIIBE Yutaka
** Port to GNU/Linux emulation
We can "run" Gnuk Token on GNU/Linux by emulation through USBIP.
** Upgrade of Chopstx
We use Chopstx 1.5.
* Major changes in Gnuk 1.2.5
Released 2017-08-11, by NIIBE Yutaka
** "factory-reset" fix
Gnuk's behavior was implemented by referring the gpg implementation.
It found that gpg implementation was not good from the viewpoint of
the OpenPGP card specification. GnuPG was fixed to match the OpenPGP
card specification already. Thus, Gnuk is now fixed.
** Upgrade of Chopstx
We use Chopstx 1.4.
* Major changes in Gnuk 1.2.4
Released 2017-05-12, by NIIBE Yutaka
** Flash ROM security fix
The partial content of flash ROM might be exposed when scanning of
data object had a problem. Added boundary check and changed layout of
flash ROM.
* Major changes in Gnuk 1.2.3
Released 2017-02-02, by NIIBE Yutaka
** ECC key generation on the device
Bug fixed.
** Upgrade of Chopstx
We use Chopstx 1.3.
* Major changes in Gnuk 1.2.2
Released 2016-10-15, by NIIBE Yutaka
** Change of SELECT FILE behavior
Gnuk used to reply AID upon SELECT FILE command. Now, to be compatible
to original OpenPGP card, it returns nothing but status code of 9000.
** Added feature of Factory Reset as compile time option
Original OpenPGP card has the feature, and Gnuk is now configurable to
support the feature.
** Upgrade of Chopstx
We use Chopstx 1.2.
* Major changes in Gnuk 1.2.1
Released 2016-07-11, by NIIBE Yutaka
** Upgrade of Chopstx
We use Chopstx 1.1.
* Major changes in Gnuk 1.2.0
Released 2016-05-20, by NIIBE Yutaka
** Upgrade of Chopstx
We use Chopstx 0.11.
** Support authentication status reset by VERIFY command.
This feature is described in the OpenPGPcard specification V2.2 and
V3.1, which allow user to reset authentication status.
** S2K algorithm tweak to defeat "copycat" service of MCU.
Even if the existence of some services copying MCU, your private key
will not be controled by others, in some cases.
** Bug fix for secp256k1 and NIST P-256.
Bugs in basic computation were fixed.
** Bug fix for bignum routines.
Bignum routine update from upstream (failure doesn't occur for our RSA
computation, though). Another fix for mpi_exp_mod.
* Major changes in Gnuk 1.1.9
Released 2015-09-18, by NIIBE Yutaka
** Bug fix for Ed25519 and Curve25519
When registering key, wrong operations were not detected correctly.
This is fixed.
* Major changes in Gnuk 1.1.8
Released 2015-09-17, by NIIBE Yutaka
** Upgrade of Chopstx
We use Chopstx 0.10, which supports Nitrokey-Start.
** Card serial number
The way to determine a serial number of Gnuk Token for card has been
changed. It uses the 96-bit unique bits of MCU, but the portion for
use is changed.
** USB Reset handling
USB reset lets Gnuk Token restart. It would not be perfect, when it's
during computation of some function, but most parts are protected by
Chopstx's feature of cancellation.
* Major changes in Gnuk 1.1.7
Released 2015-08-05, by NIIBE Yutaka
** Upgrade of Chopstx
We use Chopstx 0.08, which supports STM32 Nucleo and ST Dongle.
* Major changes in Gnuk 1.1.6
Released 2015-07-21, by NIIBE Yutaka
** USB SerialNumber String
The way to determine a serial number of Gnuk Token has been changed.
It uses the 96-bit unique bits of MCU, but the portion for use is
changed.
** Upgrade of Chopstx
We use Chopstx 0.07, which supports STM32 Primer2 and CQ STARM, too.
** Experimental Curve25519 support.
Gnuk can support Curve25519 (for decryption). Note that this is
pretty much experimental, and subjects to change. The low level code
is somehow stable, but there are no consensus in higer level.
Especially, OID in the key attribute would be changed in future.
** No --enable-keygen option
It is now standard feature included always. Note that it doesn't mean
this feature is stable now. It is becoming stable, hopefully.
* Major changes in Gnuk 1.1.5
Released 2015-06-03, by NIIBE Yutaka
** upgrade_by_passwd.py is not so noisy any more.
Since it's getting stable, no debug output any more.
** Maple mini support.
Although its random number generation is not tested, Maple mini
support is added.
** Windows interoperability fix.
1.1.x (0 to 4) didn't work with Windows because of INTERRUPT transfer.
It's fixed and it works now.
** OpenPGPcard specification v3.0 compatibility.
OpenPGPcard specification v3.0 now include NIST curves (and other
curves) and ECDSA and ECDH operations are defined. Gnuk follows
this specification.
* Major changes in Gnuk 1.1.4
Released 2014-12-15, by NIIBE Yutaka
** Experimental RSA-4096 support.
Although it takes too long (more than 8.7 second), RSA-4096
is now implemented.
** ECDH support.
ECDH is now supported. You need development branch (master)
of GnuPG to use this feature.
** ECDSA and EdDSA is not that experimental.
You don't need to edit DEFS variable in src/Makefile.
** STM8S_DISCOVERY is not supported any more.
It's flash ROM size (64KiB) is a bit small to have all features of
Gnuk now. If you manually edit code to limit the size of executable,
it still could run Gnuk, though.
** configure's default target is now FST-01.
Receiving reports from those who complain default target, I
reconsidered. Those who has Olimex STM32 H103 usually has JTAG
debugger, while FST-01 users don't. So, to be safe, the default
target is now FST-01, instead of Olimex STM32 H103.
* Major changes in Gnuk 1.1.3
Released 2014-04-16, by NIIBE Yutaka
** Experimental EdDSA support.
After configure, you can edit the DEFS variable in src/Makefile, so
that Gnuk can support EdDSA with Ed25519 (for authentication). Note
that this is pretty much experimental, and subjects to change.
* Major changes in Gnuk 1.1.2
Released 2014-03-07, by NIIBE Yutaka
** Experimental ECC support for secp256k1.
After configure, you can edit the DEFS variable in src/Makefile, so
that Gnuk can support ECDSA with NIST P256 (for authentication), and
ECDSA with secp256k1 (for signature). Note that this is pretty much
experimental, and subjects to change.
* Major changes in Gnuk 1.1.1
Released 2013-12-25, by NIIBE Yutaka
** Tools and test suite now work with PyUSB 1.0, too.
It only worked with PyUSB 0.4.3, but it works with PyUSB 1.0 too.
** Improved RSA routine
Working memory for RSA computation is taken from stack instead of
malloc (mostly).
* Major changes in Gnuk 1.1.0
Released 2013-12-20, by NIIBE Yutaka
** Overriding key import / generation (Incompatible Change)
Gnuk supports overriding key import or key generation even if keys are
already installed. Note that it will result password reset of user.
** RSA key generation improvement
Prime number generation is done by Fouque-Tibouchi method.
** Security fix for RSA computation
PolarSSL had a vulnerability against timing attack. For detail,
please see:
http://www.gniibe.org/memo/development/gnuk/polarssl/polarssl-rsa-blinding
** Improved RSA routine
RSA computation has been improved using MPI square routine. Note that
you should not adopt this modification for general purpose computer,
as this change is weak against the Yarom/Falkner flush+reload cache
side-channel attack.
** Upgrade of NeuG
The true random number generator was upgraded to the one of NeuG 1.0.
** Replacement of kernel (thread library)
Instead of ChibiOS/RT, we now use Chopstx.
** Removal of obsolete features
The feature named pin-dial, which is pin input with hardware
enhancement (with rotary encoder) is removed.
* Major changes in Gnuk 1.0.4
Released 2013-03-15, by NIIBE Yutaka
** Relocatable reGNUal, really
In 1.0.3, reGNUal was not fully relocatable. It worked loaded on higher
address, but didn't work for lower address. This was fixed.
* Major changes in Gnuk 1.0.3
Released 2013-03-14, by NIIBE Yutaka
** Relocatable reGNUal
The upgrade helper, reGNUal, is now relocatable (other than the first
vector table). It runs well when loaded at different address. This
makes the upgrade procedure more stable.
** Compilation by newer GNU Toolchain
Now, Gnuk can be compiled with newer GNU Toolchain, specifically GCC
4.7.x and GNU Binutils 2.22. Old versions of Gnuk had problem for
ChibiOS_2.0.8/os/ports/GCC/ARMCMx/cmsis/core_cm3.c, which was fixed.
** Data object 0x0073
Data object 0x0073 is now available.
* Major changes in Gnuk 1.0.2
Released 2013-02-15, by NIIBE Yutaka
** Product string is now "Gnuk Token" (was: "FSIJ USB Token")
Since the USB ID Repository suggests not including vendor name
in product string, we changed the product string.
** New tool (experimental): test/upgrade_by_passwd.py
This is the tool to install new firmware to Gnuk Token, provided
that it's just shipped from factory (and nothing changed). It
authenticate as admin by factory setting, register a public key
for firmware upgrade, and then, does firmware upgrade.
** tool/gnuk_upgrade.py supports '-k' option
It now supports RSA key on the host PC (not the one on the Token).
** New tool: tool/get_raw_public_key.py
This is a script to dump raw data of RSA public key, which is useful
to register to Gnuk Token as a firmware upgrade key.
** New tool: tool/gnuk_remove_keys_libusb.py
This tool is libusb version of gnuk_remove_keys.py. Besides, a bug in
gnuk_remove_keys.py was fixed.
** CCID protocol fix
When time extension is requested by Gnuk Token to host PC, argument
field was 0, which was wrong (but it works for most PC/SC
implementations and GnuPG internal driver). Now it's 1, which means
1*BWT.
** OpenPGP card protocol enhancement
Now, VERIFY command accepts empty data and returns remaining trial
counts, or 0x9000 (OK) when it's already authenticated. This is
useful for application to synchronize card's authentication status.
* Major changes in Gnuk 1.0.1
Released 2012-08-03, by NIIBE Yutaka
** USB SerialNumber String
In 1.0, it has a bug for USB SerialNumber String. It has been fixed
in 1.0.1.
* Major changes in Gnuk 1.0
Released 2012-07-21, by NIIBE Yutaka
This is bug fixes only release.
* Major changes in Gnuk 0.21
Released 2012-07-06, by NIIBE Yutaka
** Test suite
A functinality test suite is added under test/ directory.
** New tool: stlinkv2.py
This tool is SWD flash ROM writer with ST-Link/V2.
** New tool: usb_strings.py
This tool is to dump USB strings, which include revision detail and config
options.
** Protection improvement (even when internal data is disclosed)
Even if PW1 and PW3 is same, content of encrypted DEK is different
now.
* Major changes in Gnuk 0.20
Released 2012-06-19, by NIIBE Yutaka
** Key generation feature added
Finally, key generation is supported. Note that it may be very slow.
It may take a few minutes (or more) to generate two or three keys,
when you are unlucky.
** DnD pinentry support is deprecated
Once, DnD pinentry was considered a great feature, but it found that
it is difficult to remember moves of folders.
** gnuk_upgrade.py assumes using another token for authentication
Use of another token for authentication is assumed now. This is
incompatible change. Note that when you upgrade a token of version
0.19 to 0.20 (or later), you need gnuk_upgrade.py of version 0.19.
** KDF (Key Derivation Function) is now SHA-256
Keystring is now computed by SHA-256 (it was SHA1 before).
** Protection improvements (even when internal data is disclosed)
Three improvements. (1) Even if PW1 and Reset-code is same, content
of encrypted DEK is different now. (2) DEK is now encrypted and
decrypted by keystring in ECB mode (it was just a kind of xor by
single block CFB mode). (3) Key data plus checksum are encrypted in
CFB mode with initial vector (it will be able to switch OCB mode
easily).
** LED display output change
LED display output by Gnuk is now more reactive. It shows status code
when it gets GET_STATUS message of CCID. When you communicate Gnuk by
internal CCID driver of GnuPG (instead of PC/SC), and enable
'debug-disable-ticker' option in .gnupg/scdaemon.conf, it is more
silent now.
* Major changes in Gnuk 0.19
Released 2012-06-06, by NIIBE Yutaka
** Firmware upgrade feature
Firmware upgrade is now possible after the public key authentication
using EXTERNAL AUTHENTICATE command of ISO 7816. Firmware upgrade is
done together with reGNUal, the firmware upgrade program.
** System service blocks at the beginning of flash ROM.
Once flash ROM is protected, first 4-KiB cannot be modified. Gnuk
use this area for "system service". Note that this area will not
be able to be modified by firmware upgrade (or by any method).
** New tool: gnuk_upgrade.py
The tool gnuk_upgrade.py is to do public key authentication using
gpg-agent and send reGNUal to Gnuk. Then, we put new Gnuk binary
into the device with reGNUal.
** USB strings for revision detail, configure options, and system service.
USB strings now have more information. There are revision detail
string, configure options string, system service version string, as
well as vendor string and product string. These strings could be
examined to check Gnuk Token.
* Major changes in Gnuk 0.18
Released 2012-05-15, by NIIBE Yutaka
** New mandatory option '--vidpid' for configure
You must specify USB vendor ID and product ID for Gnuk.
The file GNUK_USB_DEVICE_ID lists valid USB device IDs.
** New tool: gnuk_remove_keys.py
The tool gnuk_remove_keys.py is to remove all keys in Gnuk Token
and reset PW1 and RC (if any).
** New USB stack
Gnuk used to use USB stack of USB-FS-Device_Lib by ST. Now, it has
original implementation. Hopefully, size and quality are improved.
* Major changes in Gnuk 0.17
Released 2012-02-02, by NIIBE Yutaka
** USB CCID/ICCD protocol implementation change
Gnuk now only supports short APDU level exchange, not supporting
extended APDU level exchange. Thus, Gnuk could be compatible to older
host side software implementation.
** ISO 7816 SELECT command behavior is somewhat strict now
Old implementations do not check DF name for SELECT command.
This causes some trouble when Gnuk Token is identified as if it were
different card/token. Now, DF name of OpenPGP card is checked.
** USB CCID/ICCD low-level bug is fixed
When the size of command APDU data is just 49, the lower level packet
size is 64. This is maximum size of BULK-OUT transfer packet, and
caused trouble in the past implementations. Example is setting url
(0x5f50) as: http://www.gniibe.org/adpu-string-size-is-just-49
This is because the past implementations expect ZLP (zero length
packet). Now, it has been fixed. You can use any size of string.
** CERT.3 Data Object (0x7f21) is now optional
As there's no valid use case for this data object and it does not
work as current version of GnuPG, this is now optional feature.
You can enable this data object by specifying --enable-certdo at
configure time.
** With DnD pinentry, user can cancel pin input
Now, user can cancel pin input by unmounting device before finishing
DnD.
** New tool: pinpadtest.py
The tool pinpadtest.py is PC/SC test tool for pinentry of pinpad with
OpenPGP card v2.
* Major changes in Gnuk 0.16
Released 2011-12-14, by NIIBE Yutaka
** DnD pinentry support is added and it's default to pinentry support
DnD pinentry support doesn't require any hardware extension, but
emulates mass storage class device of USB. User inputs pass phrase
by "drag and drop"-ing folders using file manager or something.
** Bug fix for VERIFY for CHV2
With no keys, VERIFY command for CHV2 used to fail even if pass phrase
is correct. It was intentional, because CHV2 verification would be
useless with no keys. But there is a corner case for PRIVATE-DOs,
which may requires CHV2 verification. Even though Gnuk doesn't
support any PRIVATE-DOs, it is good to be fixed.
** Changed bcdUSB = 1.1
Gnuk device conforms to USB 2.0 full speed device, but when it was
2.0, some OS informs users, "you can connect the device to 2.0
compliant hub so that it can have better bandwidth", which is not
the case for full speed device.
* Major changes in Gnuk 0.15
Released 2011-11-24, by NIIBE Yutaka
** New targets: FST_01 and FST_01_00
Flying Stone Technology's open hardware, Flying Stone Tiny 01 is
supported.
** Flash writing tool for "DfuSe" is improved
Now, it supports holes and unaligned blocks in hex file.
** Experimental PIN-pad support (by TV controller) change
Now, Gnuk has codetables for conversion from CIR code to ASCII code.
Note that only four controllers (of Dell, Sharp, Sony, and Toshiba)
are supported and tested.
** It is possible for users to keep using OPENPGP_CARD_INITIAL_PW1
With a bug fix of verify_user_0, it's now possible. Although it's not
recommended.
** Important bug fix and a workaround
In version 0.14, __main_stack_size__ (for interrupt handler) was too
small for some cases. This is fixed in 0.15.
In src/Makefile.in, added -mfix-cortex-m3-ldrd for correctly linking C
library for thumb2. This is needed for newer summon-arm-toolchain.
* Major changes in Gnuk 0.14
Released 2011-10-07, by NIIBE Yutaka
** Random number generator change
NeuG, Gniibe's True RNG implementation for STM32F103, has been
integrated to Gnuk. It is not needed to put random number bytes
(generated by host) to Token any more.
* Major changes in Gnuk 0.13
Released 2011-06-15, by NIIBE Yutaka
** Improved RSA routine.
About 20% speed improvement.
** New tool: hub_ctrl.
It is a Python implementation ported from original C implementation.
It is useful for development of USB target if you have a good hub.
You can power off/on the port to reset Gnuk Token.
* Major changes in Gnuk 0.12
Released 2011-05-13, by NIIBE Yutaka
** Admin-less mode is supported.
The OpenPGP card specification assumes existence of a security officer
(admin), who has privilege to manage the card. On the other hand,
many use cases of Gnuk are admin == user.
Thus, Gnuk now supports "admin-less" mode. In this mode, user can get
privilege with the password of PW1.
At the initialization of the card, Gnuk becomes compatible mode by
setting PW3. Without setting PW3, it becomes "admin-less" mode
by setting PW1.
** Important two bug fixes.
Gnuk (<= 0.11) has a bug which makes possible for attacker to change
user password to unknown state without knowing original password (when
no keys are loaded yet). No, attacker could not steal your identity
(cannot sign or decrypt), but it would be possible to disturb you.
Gnuk (<= 0.11) has a bug which makes possible for attacker to guess
admin password easily. When admin password is not set (the default
value of factory setting), failure of VERIFY doesn't increment error
counter in older versions. Observing no increment of error counter,
attacker could know that admin password is the one of factory setting.
** tool/gnuk_put_binary.py now uses pyscard.
Instead of PyUSB, it uses Python binding of PC/SC. PyUSB version is
still available as tool/gnuk_put_binary_libusb.py.
** Logo for Gnuk is updated.
** Gnuk Sticker SVG is available.
* Major changes in Gnuk 0.11
Released 2011-04-15, by NIIBE Yutaka
This is bug fixes only release.
* Major changes in Gnuk 0.10
Released 2011-02-10, by NIIBE Yutaka
** The executable can be installed to multiple devices.
So far, users of Gnuk should have not shared single executable among
multiple devices because the executable includes random bits (or
fixed serial number). Now, random_bits and fixed serial number are
configured *after* compilation, we can install single executable image
to multiple devices. Note that we need to configure random_bits for
each device.
** Removed configure option: --with-fixed-serial
It is not compile time option any more. After installation, we can
modify serial number in AID by tool/gnuk_put_binary.py. Modification
is possible only once. If you don't modify, Gnuk uses unique chip ID
of STM32 processor for AID.
* Major changes in Gnuk 0.9
Released 2011-02-01, by NIIBE Yutaka
** Card Holder Certificate is supported (still this is experimental).
Gnuk can support card holder certificate now. Note that GnuPG is not
ready yet. The tool/gnuk_update_binary.py is for writing card holder
certificate to Gnuk Token.
** Better interoperability to OpenSC.
Gnuk is not yet supported by OpenSC, but it could be. With the
changes in Gnuk, it could be relatively easily possible to support
Gnuk Token by OpenSC with a few changes to libopensc/card-openpgp.c,
and libopensc/pkcs15-openpgp.c.
** New board support "STBee"
STBee is a board by Strawberry Linux Co., Ltd., and it has
STM32F103VET6 on the board. The chip is High Density CPU with 512KB
flash memory and many I/O. If you want to connect sensor, display,
etc., this board would be a good candidate.
** Experimental PIN-pad modification(unblock) support is added.
PIN-pad modification(unblock) is supported.
* Major changes in Gnuk 0.8
Released 2011-01-19, by NIIBE Yutaka
** Experimental PIN-pad modification support is added.
PIN input using rotally encoder and push switch is tested with STBee
Mini. By this hardware, PIN-pad modification is supported.
* Major changes in Gnuk 0.7
Released 2011-01-15, by NIIBE Yutaka
** Bug fix only.
In version 0.6, a severe bug was introduced in usb-icc.c when adding a
work around for libccid 1.3.11. The fix is one-liner, but it is worth
to release newer version.
* Major changes in Gnuk 0.6
Released 2011-01-14, by NIIBE Yutaka
** Experimental PIN-pad support is added.
Local PIN-pad input is suppored for boards which have input hardware.
PIN input using consumer IR receive module is tested with STBee Mini
and STM8S Discovery.
** USB device serial number is virtually unique now.
STM32F103 has 96-bit unique chip identifier. We take advantage of
this, Gnuk Token has virtually unique USB serial number.
** Card serial number is determined at run time by chip identifier.
Until version 0.5, card serial number was compile time option. If we
used same binary for different devices, card serial number was same.
Now, we use STM32F103's 96-bit unique chip identifier for card serial
number (when you don't use --with-fixed-serial option).
** More improved USB-CCID/ICCD implementation.
The changes in 0.5 was not that good for libccid 1.3.11, which has
small buffer (only 262-byte APDU). Workaround for libccid 1.3.11 is
implemented.
* Major changes in Gnuk 0.5
Released 2010-12-13, by NIIBE Yutaka
** LED blink
LED blink now shows status output of the card. It shows the status of
CHV3, CHV2, and CHV1 when GPG is accessing the card.
** New board support "STM8S Discovery"
ST-Link part (with STM32F103C8T6) of STM8S Discovery board is now supported.
** Digital signing for SHA224/SHA256/SHA384/SHA512 digestInfo is now possible.
** Fixes for password management
Now, you can allow the token to do digital signing multiple times with
single authentication. You can use "forcesig" subcommand in card-edit
of GnuPG to enable the feature.
** Key management changes
If you remove all keys, it is possible to import keys again.
** More improved USB-CCID/ICCD implementation.
Gnuk works better with GPG's in-stock protocol stack. You can do
digital signing (not decryption, key import, or get_public_key in
GPG2). For decryption, key import and get_public_key, changes are
needed for GPG (scd/ccid-driver.c) to support the case of extended
APDU. In short, you can sign with Gnuk by GPG.
** Windows support.
Gnuk Token could run with GPG4WIN on MS Windows. GPG4WIN runs with
"usbccid" driver and "winscard" driver.
* Major changes in Gnuk 0.4
Released 2010-11-09, by NIIBE Yutaka
** New board support "STBee Mini".
** Flash writing tool for "DfuSe" is included now.
** Since Flash GC is now implemented, it can be used longer.
* Major changes in Gnuk 0.3
Released 2010-10-23, by NIIBE Yutaka
** Now we have 'configure' script to select target.
** Support system with DFU (Device Firmware Upgrade) downloader.
** New board support "CQ STARM".
** Improved USB-ICCD implementation. Works fine with GPG's protocol stack.
* Major changes in Gnuk 0.2
Released 2010-09-13, by NIIBE Yutaka
** With DEBUG=1, timeout is more than 3 seconds.
** Flash ROM entries for random numbers are cleared after use.
** Board support "STM32 Primer 2" now works.
* Major changes in Gnuk 0.1
Released 2010-09-10, by NIIBE Yutaka
** Enabled force_chv1 (in the pw_status_bytes), so that the decipher works.
** Support both of key for digital signing and key for decryption.
** Decipher is supported.
** New board support "STM32 Primer 2" is added by Kaz Kojima.
** LED behavior is meaningful now. "ON" during execution.
** Fixed bcdCCID revision number.
** Logo.
* Major changes in Gnuk 0.0
Released 2010-09-06, by NIIBE Yutaka
** This is initial release. Only it supports digital signing.
Local Variables:
mode: outline
End:

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Gnuk - An Implementation of USB Cryptographic Token for GnuPG
Version 1.2.6
2017-10-11
Niibe Yutaka
Free Software Initiative of Japan
Release Notes
=============
This is the release of Gnuk, version 1.2.6, which has major
incompatible changes to Gnuk 1.0.x. Specifically, it now supports
overriding key import, but importing keys (or generating keys) results
password reset. Also, you need to import private keys before changing
your password. Please update your documentation for Gnuk Token, so
that the instruction of importing keys won't cause any confusion.
It has supports of EdDSA, ECDSA (with NIST P256 and secp256k1), and
ECDH (with X25519, NIST P256 and secp256k1), but this ECC feature is
somehow experimental, and it requires modern GnuPG 2.2 with libgcrypt
1.7.0 or later.
It also supports RSA-4096, but users should know that it takes more
than 8 seconds to sign/decrypt. Key generation of RSA-4096 just fails,
because the device doesn't have enough memory.
With this release, you can test how Gnuk Token works on GNU/Linux,
without real hardware, by USBIP emulation (--target=GNU_LINUX).
Please note that this emulation is intended only for testing. When
Gnuk does crypto computation on host, it is vulnerable by side channel
attacks.
What's Gnuk?
============
Gnuk is an implementation of USB cryptographic token for GNU Privacy
Guard. Gnuk supports OpenPGP card protocol version 3, and it runs on
STM32F103 processor.
I wish that Gnuk will be a developer's soother who uses GnuPG. I have
been nervous of storing secret key(s) on usual secondary storage.
There is a solution with OpenPGP card, but it is not the choice for
me, as card reader is not common device. With Gnuk, this issue will
be solved by a USB token.
Please look at the graphics of "gnuk.svg" for the software name. My
son used to be with his NUK(R), always, everywhere. Now, I am with a
USB Cryptographic Token by "Gnuk", always, everywhere.
FAQ
===
Q0: How Gnuk USB Token is superior than other solutions (OpenPGP
card 2.0, YubiKey, etc.) ?
https://www.g10code.de/p-card.html
https://www.yubico.com/
A0: Good points of Gnuk are:
* If you have skill of electronics and like DIY, you can build
Gnuk Token cheaper (see Q8-A8).
* You can study Gnuk to modify and to enhance. For example, you
can implement your own authentication method with some sensor
such as an acceleration sensor.
* It is "of Free Software"; Gnuk is distributed under GPLv3+,
"by Free Software"; Gnuk development requires only Free Software
(GNU Toolchain, Python, etc.),
"for Free Software"; Gnuk supports GnuPG.
Q1: What kind of key algorithm is supported?
A1: Gnuk version 1.0 only supports RSA-2048.
Gnuk version 1.2.x supports 255-bit EdDSA, as well as RSA-4096.
(Note that it takes long time to sign with RSA-4096.)
Q2: How long does it take for digital signing?
A2: It takes a second and a half or so for RSA-2048.
It takes more than 8 secondd for RSA-4096.
Q3: What's your recommendation for target board?
A3: Orthodox choice is Olimex STM32-H103.
FST-01 (Flying Stone Tiny 01) is available for sale, and it is a
kind of the best choice, hopefully.
If you have a skill of electronics, STM32 Nucleo F103 is the best
choice for experiment.
Q4: What's version of GnuPG are you using?
A4: In Debian GNU/Linux system, I use GnuPG modern 2.1.18 in
unstable.
Q5: What's version of pcscd and libccid are you using?
A5: I don't use them, pcscd and libccid are optional, you can use Gnuk
Token without them.
I tested pcscd 1.5.5-4 and libccid 1.3.11-2 which were in Debian
squeeze.
Q6: What kinds of hardware is required for development?
A6: You need a target board plus a JTAG/SWD debugger. If you just
want to test Gnuk for target boards with DfuSe, JTAG debugger is
not the requirement. Note that for real use, you need JTAG/SWD
debugger to enable flash ROM protection.
Q7: How much does it cost?
A7: Olimex STM32-H103 plus ARM-USB-TINY-H cost 70 Euro or so.
Q8: How much does it cost for DIY version?
A8: STM32 Nucleo F103 costs about $10 USD.
Q9: I got an error like "gpg: selecting openpgp failed: ec=6.108", what's up?
A9: Older GnuPG's SCDaemon has problems for handling insertion/removal of
card/reader. When your newly inserted token is not found by
GnuPG, try killing scdaemon and let it to be invoked again. I do:
$ gpg-connect-agent "SCD KILLSCD" "SCD BYE" /bye
and confirm scdaemon doesn't exist, then,
$ gpg-connect-agent learn /bye
Qa: With GNOME 2, I can't use Gnuk Token for SSH. How can we use it for SSH?
Aa: You need to deactivate seahorse-agent and gnome-keyring, but use
gpg-agant for the role of ssh-agent. For gnome-keyring please do:
$ gconftool-2 --type bool --set /apps/gnome-keyring/daemon-components/ssh false
Qb: With GNOME 3.0, I can't use Gnuk Token at all. Why?
Ab: That's because gnome-keyring-daemon interferes GnuPG. Type:
$ gnome-session-properties
and at the tab of "Startup Programs", disable check buttons for
"GPG Password Agent" and "SSH Key Agent".
Qc: With GNOME 3.x (x >= 8?), I can't use Gnuk Token at all. Why?
Ac: That's because gnome-keyring-daemon interferes GnuPG. Please
disable the invocation of gnome-keyring-daemon. In Debian
wheezy, it's in the files /etc/xdg/autostart/gnome-keyring-ssh.desktop
and /etc/xdg/autostart/gnome-keyring-gpg.desktop.
We have a line something like:
OnlyShowIn=GNOME;Unity;MATE;
Please edit this line to:
OnlyShowIn=
Qd: Do you know a good SWD debugger to connect FST-01 or something?
Ad: ST-Link/V2 is cheap one. We have a tool/stlinkv2.py as flash ROM
writer program. STM32 Nucleo F103 comes with the valiant of
ST-Link/V2. However, the firmware of ST-Link/V2 is proprietary.
Now, I develop BBG-SWD, SWD debugger by BeagleBone Green.
Tested features
===============
Gnuk is tested by test suite. Please see the test directory.
* Personalization of the card
* Changing Login name, URL, Name, Sex, Language, etc.
* Password handling (PW1, RC, PW3)
* Key import for three types:
* key for digital signing
* key for decryption
* key for authentication
* PSO: Digital Signature
* PSO: Decipher
* INTERNAL AUTHENTICATE
* Changing value of password status bytes (0x00C4): forcesig
* Verify with pin pad
* Modify with pin pad
* Card holder certificate (read)
* Removal of keys
* Key generation on device side for RSA-2048
* Overriding key import
Original features of Gnuk, tested manually lightly:
* OpenPGP card serial number setup
* Card holder certificate (write by UPDATE BINARY)
* Upgrading with "EXTERNAL AUTHENTICATE" by reGNUal
It is known not-working well:
* It is known that the specific combination of libccid 1.4.1
(or newer) with libusb 1.0.8 (or older) had a minor problem.
It is rare but it is possible for USB communication to be
failed, because of a bug in libusb implementation. Use
libusbx 1.0.9 or newer, or don't use PC/SC, but use internal
CCID driver of GnuPG.
Targets
=======
We use Olimex STM32-H103 board and Flying Stone Tiny 01 (FST-01).
With DfuSe support, STBee is also our targets. But this target with
DfuSe is for experiment only, because it is impossible for DfuSe to
disable read from flash. For real use, please consider killing DfuSe
and enabling read protection using JTAG debugger.
For experimental PIN-pad support, I connect a consumer IR receive
module to FST-01, and use controller for TV. PIN verification is
supported by this configuration. Yes, it is not secure at all, since
it is very easy to monitor IR output of the controllers. It is just
an experiment. Note that hardware needed for this experiment is only
a consumer IR receive module which is as cheap as 50 JPY.
Note that you need pinpad support for GnuPG to use PIN-pad enabled
Gnuk. The pinpad support for GnuPG is only available in version 2.
Build system and Host system
============================
Makefile is written for GNU make. You need Bash 4.x for configure.
If your bash is not installed as /bin/bash, you need to run configure
script prepending 'bash' before './configure'.
Some tools are written in Python. If your Python is not installed as
/usr/bin/python, please prepend 'python' for your command invocation.
Python 2.7 and PyUSB 0.4.3 is assumed.
Souce code
==========
Gnuk source code is under src/ directory.
Note that SHA-2 hash function implementation, src/sha256.c, is based
on the original implementation by Dr. Brian Gladman. See:
http://brg.a2hosted.com//oldsite/cryptography_technology/sha/index.php
(was at:
http://gladman.plushost.co.uk/oldsite/cryptography_technology/sha/index.php)
License
=======
It is distributed under GNU General Public Licence version 3 or later
(GPLv3+). Please see src/COPYING.
Please note that it is distributed with external source code too.
Please read relevant licenses for external source code as well.
The author(s) of Gnuk expect users of Gnuk will be able to access the
source code of Gnuk, so that users can study the code and can modify
if needed. This doesn't mean person who has a Gnuk Token should be
able to access everything on the Token, regardless of its protections.
Private keys, and other information should be protected properly.
External source code
====================
Gnuk is distributed with external source code.
* chopstx/ -- Chopstx 1.5
We use Chopstx as the kernel for Gnuk.
Chopstx is distributed under GPLv3+ (with a special exception).
* polarssl/ -- based on PolarSSL 1.2.10 (now mbedTLS)
Souce code taken from: http://polarssl.org/
We use PolarSSL for RSA computation, and AES encryption/decryption.
PolarSSL is distributed under GPLv2+. We use PolarSSL under GPLv3
as our options.
The file include/polarssl/bn_mul.h is heavily modified for ARM
Cortex-M3.
The function rsa_private in polarssl/library/rsa.c is modified so
that it doesn't check T against N. The function rsa_pkcs1_sign is
modified to avoid warnings in case of !POLARSSL_PKCS1_V21.
The functions rsa_pkcs1_verify and rsa_rsassa_pkcs1_v15_verify in
include/polarssl/rsa.h and polarssl/library/rsa.c are modified
(fixed) for last argument SIG, as the memory at SIG aren't modified
by those routines.
The constant POLARSSL_MPI_MAX_SIZE in include/polarssl/bignum.h is
modified for 2048-bit keys only Gnuk.
The function mpi_mul_hlp in library/bignum.c is modified for more
optimization for ARM Cortex-M3. Functions mpi_montred, mpi_sub_hlp,
mpi_sub_abs, mpi_mul_mpi, mpi_montmul, and mpi_exp_mod are modified
to avoid side channel attacks. Note that we don't use RSA-blinding
technique for Gnuk. Function mpi_gen_prime and mpi_is_prime are
modified to use Fouque-Tibouchi method. Function mpi_exp_mod is
modified to use new function mpi_montsqr for speed up.
The file library/aes.c is modified so that some constants can
go to .sys section.
The file include/polarssl/config.h are modified not to define
POLARSSL_HAVE_LONGLONG to avoid linking libgcc, to define
POLARSSL_AES_ROM_TABLES to have AES tables, not to define
POLARSSL_CIPHER_MODE_CTR, POLARSSL_FS_IO, POLARSSL_PKCS1_V21,
POLARSSL_SELF_TEST, and POLARSSL_PADLOCK_C, and only define
POLARSSL_GENPRIME when defined KEYGEN_SUPPORT.
And polarssl/library/bignum.c is modified to work on 64-bit machine.
Aurelien Jarno also modified:
polarssl/include/polarssl/bn_mul.h
polarssl/library/bignum.c
See ChangeLog (and/or history of git) for detail.
USB vendor ID and product ID (USB device ID)
============================================
When you have a vendor ID and assign a product ID for Gnuk, edit the
file GNUK_USB_DEVICE_ID and add an entry for yours. In this case,
please contact Niibe, so that it is listed to the file in the official
release of the source code.
When you are modifing Gnuk and installing the binary to device, you
should replace the vendor string and serial number to yours (in the
file GNUK_USB_DEVICE_ID and SERIALNO of the script of src/configure),
so that users can see it's not by original vendor, and it is modified
version.
FSIJ allows you to use USB device ID of FSIJ (234b:0000) for devices
with Gnuk under one of following conditions:
* For everyone for experimental purpose:
- You must not distribute a binary with FSIJ's USB device ID, but
must use the binary by yourself only for your experiment. Note
that "Distributing binary" includes distributing a device which
holds the binary.
* For general individuals:
- You must use your Gnuk device with a card serial number which is
*not* by FSIJ. Easy one would be a card serial number generated
by chip unique ID.
* For individuals with explicit permission from FSIJ.
- You should have an assigned card serial number by FSIJ,
please use that number for your device.
(There a file 'GNUK_SERIAL_NUMBER' in the official release.)
FSIJ could give companies or business entities "second source
manufacturer" license to use USB device ID of FSIJ for devices with
unmodified version of Gnuk, provided they support Free Software and
respect users' freedom for computing. Please ask FSIJ for the
license.
Otherwise, companies which want to distribute Gnuk devices, please use
your own USB vendor ID and product ID. Please replace vendor string
and possibly product string to yours, when you modify Gnuk.
Host Requirements
=================
For GNU/Linux, PC/SC service is an option, you can use GnuPG's
internal CCID driver instead. If you chose using PC/SC service,
libccid version >= 1.3.11 is recommended for GNU/Linux.
How to compile
==============
You need GNU toolchain and newlib for 'arm-none-eabi' target.
On Debian we can install the packages of gcc-arm-none-eabi,
gdb-arm-none-eabi and its friends. I'm using:
binutils-arm-none-eabi 2.28-4+9+b3
gcc-arm-none-eabi 15:5.4.1+svn241155-1
gdb-arm-none-eabi 7.12-6+9+b2
libnewlib-arm-none-eabi 2.4.0.20160527-2
Or else, see https://launchpad.net/gcc-arm-embedded for preparation of
GNU Toolchain for 'arm-none-eabi' target.
Change directory to `src':
$ cd gnuk-VERSION/src
Then, run `configure':
$ ./configure --vidpid=<VID:PID>
Here, you need to specify USB vendor ID and product ID. For FSIJ's,
it's: --vidpid=234b:0000 . Please read section 'USB vendor ID and
product ID' above.
Then, type:
$ make
Then, we will have "gnuk.elf" under src/build directory.
How to install
==============
Olimex STM32-H103 board
-----------------------
If you are using Olimex JTAG-Tiny, type following to invoke OpenOCD
and write "gnuk.elf" to Flash ROM:
$ openocd -f interface/ftdi/olimex-jtag-tiny.cfg \
-f board/olimex_stm32_h103.cfg \
-c "program build/gnuk.elf verify reset exit"
Command invocation is assumed in src/ directory.
Flying Stone Tiny 01
--------------------
If you are using Flying Stone Tiny 01, you need a SWD writer.
OpenOCD 0.9.0 now supports ST-Link/V2. We can use it like:
$ openocd -f interface/stlink-v2.cfg -f target/stm32f1x.cfg \
-c "program build/gnuk.elf verify reset exit"
STBee
-----
Reset the board with "USER" switch pushed. Type following to write
to flash:
# cd ../tool
# ./dfuse.py ../src/build/gnuk.hex
Then, reset the board.
How to protect flash ROM
========================
To protect, invoke OpenOCD like (for FST-01):
$ openocd -f interface/stlink-v2.cfg -f target/stm32f1x.cfg \
-c init -c "reset halt" -c "stm32f1x lock 0" -c reset -c exit
After power-off / power-on sequence, the contents of flash ROM cannot
be accessible from JTAG debugger.
Unprotecting is:
$ openocd -f interface/stlink-v2.cfg -f target/stm32f1x.cfg \
-c init -c "reset halt" -c "stm32f1x unlock 0" -c reset -c exit
Upon unprotection, flash is erased.
Note that it would be still possible for some implementation of DfuSe
to access the contents, even if it's protected. If you really want to
protect, killing DfuSe and accessing by JTAG debugger is recommended.
(Optional) Configure serial number and X.509 certificate
========================================================
This is completely optional.
For this procedure, you need python and pyscard (python-pyscard
package in Debian) or PyUSB 0.4.3 (python-usb package in Debian).
(1) [pyscard] Stop scdaemon
[PyUSB] Stop the pcsc daemon.
If scdaemon is running, please kill it, or you will get "Smartcard
Exception" by "Sharing violation".
$ gpg-connect-agent "SCD KILLSCD" "SCD BYE" /bye
In case of PyUSB tool, you need to stop pcscd.
# /etc/init.d/pcscd stop
(2) [Optional] Write fixed serial number
If you use fixed serial number in the file 'GNUK_SERIAL_NUMBER', you can do:
$ EMAIL=<YOUR-EMAIL-ADDRESS> ../tool/gnuk_put_binary_usb.py -s ../GNUK_SERIAL_NUMBER
Writing serial number
...
(3) [Optional] Write card holder certificate
If you have card holder certificate binary file, you can do:
$ ../tool/gnuk_put_binary_usb.py ../../<YOUR-CERTIFICATE>.bin
../../<YOUR-CERTIFICATE>.bin: <LENGTH-OF-YOUR-CERTIFICATE>
Updating card holder certificate
...
How to run
==========
Debug enabled
-------------
If you compiled with --enable-debug option, Gnuk has two interfaces
(one is CCID/ICCD device and another is virtual COM port). Open
virtual COM port by:
$ cu -l /dev/ttyACM0
and you will see debug output of Gnuk.
Testing Gnuk
------------
Type following command to see Gnuk runs:
$ gpg --card-status
Besides, there is a functionality test under test/ directory. See
test/README.
Personalize the Token, import keys, and change the password
-----------------------------------------------------------
You can personalize the token, putting your information like: Name,
Login name, Sex, Languages, URL. To do so, GnuPG command is:
$ gpg --card-edit
Note that the factory setting of user password is "123456" and admin
password is "12345678" as the specification.
It is recommended to create your keys on your computer, and import
them to Gnuk Token. After you create your keys (they must be 2048-bit
RSA), you can import them.
Gnuk supports key generation, but this feature is young and should be
considered experimental.
For detail, please see documentation under doc/. You can see the HTML
version at: https://www.fsij.org/doc-gnuk/
How to debug
============
We can use GDB.
$ arm-none-eabi-gdb gnuk.elf
Inside GDB, we can connect OpenOCD by:
(gdb) target remote localhost:3333
or
(gdb) target extended-remote localhost:3333
You can see the output of PCSCD:
# /etc/init.d/pcscd stop
# LIBCCID_ifdLogLevel=7 /usr/sbin/pcscd --debug --foreground
You can observe the traffic of USB using "usbmon". See the file:
linux/Documentation/usb/usbmon.txt
Firmware update
===============
See doc/note/firmware-update.
Git Repositories
================
Please use: https://anonscm.debian.org/cgit/gnuk/gnuk/
You can get it by:
$ git clone git://anonscm.debian.org/gnuk/gnuk/gnuk.git
It's also available at: www.gniibe.org
You can browse at: https://git.gniibe.org/gitweb?p=gnuk/gnuk.git;a=summary
I put Chopstx as a submodule of Git. Please do this:
$ git submodule update --init
Information on the Web
======================
For more information, please visit: https://www.fsij.org/gnuk/
Please see the FST-01 support pages:
https://www.gniibe.org/category/fst-01.html
Please consider to join Gnuk-users mailing list:
https://lists.alioth.debian.org/mailman/listinfo/gnuk-users
The mailing list will be moved to lists.debian.org.
Your Contributions
==================
FSIJ welcomes your contributions. Please assign your copyright
to FSIJ (if possible), as I do.
Foot note
==========
* NUK(R) is a registered trademark owend by MAPA GmbH, Germany.
--

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# An unofficial clone of FST Gnuk Cryptographic Token device for GnuPG
* See `README` for the original README instruction.
* Note well that the `master` branch is modified by @jj1bdx.
* For the original master branch of NeuG, see `gniibe-master` branch.

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-*- coding: utf-8 -*-
We would like to express our gratitudes to Werner Koch for GnuPG, and
Giovanni Di Sirio for ChibiOS/RT.
Gnuk was originally written by NIIBE Yutaka. People contributed by
encouraging the development, testing the implementation, suggesting
improvements, or fixing bugs. Here is a list of those people.
Aurelien Jarno aurelien@aurel32.net
Achim Pietig achim@pietig.com
Aidan Thornton
Anibal Monsalve Salazar anibal@debian.org
Andre Zepezauer andre.zepezauer@student.uni-halle.de
Anthony Romano anthony.romano@coreos.com
Bertrand Jacquin bertrand@jacquin.bzh
Clint Adams clint@softwarefreedom.org
Daniel Kahn Gillmor dkg@fifthhorseman.net
Elliott Mitchell
Hironobu SUZUKI hironobu@h2np.net
Jan Suhr jan@suhr.info
Jeremy Drake jeremydrake+gnuk@eacceleration.com
Jonathan McDowell noodles@earth.li
Kaz Kojima kkojima@rr.iij4u.or.jp
Kenji Rikitake
Ludovic Rousseau ludovic.rousseau@free.fr
Luis Felipe R. Murillo luisfelipe@ucla.edu
Mateusz Zalega mateusz@nitrokey.com
MATSUU Takuto matsuu@gentoo.org
Micah Anderson micah@debian.org
NAGAMI Takeshi nagami-takeshi@aist.go.jp
Nguyễn Hồng Quân quannguyen@mbm.vn
Nico Rikken nico@nicorikken.eu
NOKUBI Takatsugu knok@daionet.gr.jp
Paul Fertser
Paul Bakker polarssl_maintainer@polarssl.org
Santiago Ruano Rincón santiago@debian.org
Shane Coughlan scoughlan@openinventionnetwork.com
Stanislas Bach sbach@0g.re
Szczepan Zalega szczepan@nitrokey.com
Vasily Evseenko
Werner Koch wk@gnupg.org
Yuji Imai ug@xcast.jp

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release/1.2.6

3
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*/build
*/.dep
doc/chopstx.info

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image: debian:stable
before_script:
- apt-get update && apt-get -y install texi2html
pages:
stage: deploy
script:
- mkdir -p html && (cd html && texi2html ../doc/chopstx.texi)
- mv html/ public
artifacts:
paths:
- public
only:
- master

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Aidan Thornton:
Added Maple Mini support.
board/board-maple-mini.h
Jeremy Drake:
Modified STM32F103 support.
mcu/sys-stm32f103.c
Kaz Kojima:
Added STM32 Primer2 support.
board/board-stm32-primer2.h
example-primer2
Kenji Rikitake:
Added ST Dongle support.
board/board-st-dongle.h
Added ST Nucleo F103 support.
board/board-st-nucleo-f103.h
Kiwamu Okabe:
Wrote an OpenOCD scirpt:
example-fsm-55/stlink-v2.cfg
Mateusz Zalega:
Added Nitrokey-Start support.
board/board-nitrokey-start.h
NIIBE Yutaka:
Wrote the library:
chopstx.c, chopstx.h,
chopstx-cortex-m.c, chopstx-cortex-m.h,
chopstx-gnu-linux.c, chopstx-gnu-linux.h,
entry.c,
eventflag.c, eventflag.h
Wrote the drivers mcu/*:
chx-gnu-linux.c, chx-mkl27z.c, chx-stm32f0.c, chx-stm32f103.c,
clk_gpio_init-mkl27z.c, clk_gpio_init-stm32.c,
cortex-m.h, mkl27z.h, stm32.h, stm32f103.h,
sys-gnu-linux.c,sys-gnu-linux.h,
sys-mkl27z.c, sys-mkl27z.h,
sys-stm32f0.c, sys-stm32f0.h
sys-stm32f103.c, sys-stm32f103.h,
usb-stm32f103.c, usb-mkl27z.c
Wrote the drivers:
controb/adc-mkl27z.c
Drew the logo:
chopstx.svg, chopstx.png
Wrote examples:
example-led, example-cdc, example-fsm-55, example-fs-bb48,
example-usb-serial, example-cdc-gnu-linux
Wrote board/*:
board-fst-01sz.h,
board-fst-01g.h, board-fst-01.h, board-fst-01-00.h,
board-olimex-stm32-h103.h, board-stm8s-discovery.h
board-cq-starm.h, board-stbee-mini.h, board-stbee.h,
board-stm32f0-discovery.h, board-fsm-55.h,
board-fs-bb48.h
For Free Software Initiative of Japan, wrote:
contrib/adc-stm32f103.c,
contrib/adc-gnu-linux.c
Under contract of g10 Code GmbH, wrote:
mcu/usb-usbip.c
contrib/usart-stm32f103.c
contrib/ackbtn-stm32f103.c
Paul Fertser:
Added Blue Pill support.
board/board-blue-pill.h
Szczepan Zalega:
Modified Nitrokey-Start support.
board/board-nitrokey-start.h

674
gnuk/chopstx/COPYING
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@ -1,674 +0,0 @@
GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
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into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.

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For released versions of Chopstx, it is OK to distribute a binary
without the copy of the GNU GPL, as the license notice of Chopstx
include following exception to GNU GPL.
--------------------
As additional permission under GNU GPL version 3 section 7, you may
distribute non-source form of the Program without the copy of the GNU
GPL normally required by section 4, provided you inform the receipents
of GNU GPL by a written offer.
--------------------
Note that "written offer" is still needed when you distribute binary
only.
--

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NEWS - Noteworthy changes
* Major changes in Chopstx 1.14
Released 2019-03-02
** Enhancement of driver: USART for STM32
Now, it supports smartcard communication.
* Major changes in Chopstx 1.13
Released 2018-12-19
** API fix (redefinition): chopstx_poll
In old implementations, when chopstx_poll returns by non-timeout
event, *USEC_P is not updated. Now, it is updated.
* Major changes in Chopstx 1.12
Released 2018-11-12
** Enhance API of eventflag
New function eventflag_set_mask is added, so that we can only handle
specified events. See Gnuk 1.2.12 for an example (while USB Tx is
busy, the USB thread only accepts EV_TX_FINISHED event, leaving
other events).
** Acknowledge button support for FST-01 and FST-01G
While FST-01 and FST-01G don't have any button in the original design,
it may be PA2 when user put a hall sensor or a switch.
* Major changes in Chopstx 1.11
Released 2018-10-02
** Support calling chopstx_poll with intr->ready==1
In version <= 1.10, it assumed that all events should be handled after
chopstx_poll, before calling chopstx_poll again. With having
chopstx_intr_done, it's OK now that chopstx_poll can be called again
not examining/handling all poll descriptors, but only parts of them.
** Acknowledge button change
In 1.10, the action was able to be "memorized" by the edge detector.
Now, the edge detector is disabled by ackbtn_disable, and it is
enabled by ackbtn_enable. So, the status is cleared correctly.
** New board support: FST-01SZ
It's still under development. Programming-wise, it will be kept same.
* Major changes in Chopstx 1.10
Released 2018-09-29
** Function chopstx_intr_wait is not deprecated, now
Once, it was said that it's deprecated, but it's active again
to match the new function of chopstx_intr_done.
** API change: chopstx_poll, chopstx_intr_wait, chopstx_intr_done
To avoid spurious interrupt, we introduce new function
chopstx_intr_done, which should be called after interrupt handling.
** New driver: Acknowledge button for FST-01SZ
The use case is waiting user's acknowledge. We use EXTI interrupt
feature of STM32.
* Major changes in Chopstx 1.9
Released 2018-05-09
** GD32F103 support
GD32F103 is an alternative implementation of STM32F103 by Giga Device,
which can run at 96MHz.
** Minor USB driver fix for STM32F103/GD32F103
BTABLE setting should be done at initialization, not at USB RESET.
** Minor SYS driver fix for GD32F103
flash_protect should check FLASH_CR_OPTWRE.
** Minor ADC driver change for GD32F103
ADC on GD32F103 is another implementation and its behavior is somewhat
different. It requires waits after enabling. So, we use continuous
sampling, instead of start and stop for each sample. Still, we
observe enough noise (> 4.7 bit/byte) for each ADC sampling.
* Major changes in Chopstx 1.8
Released 2018-01-19
** Minor driver API fix
In version 1.6, part of mcu/stm32f103.h was moved into mcu/cortex-m.h
and mcu/stm32.h. Now, mcu/stm32f103.h automatically includes
mcu/cortex-m.h and mcu/stm32.h, so that it doesn't break existing
applications.
* Major changes in Chopstx 1.7
Released 2017-12-19
** Fix: timer wakeup
Timer expiration had a bug. When it is waken up, the wake up doesn't
handle as a timer expiration when there are multiple threads on same
timing of expire. It confuses as if it were forced wakeup.
** New driver: USART for STM32
USART driver for STM32 is added.
* Major changes in Chopstx 1.6
Released 2017-11-24
** Fix cancellation
In Chopstx 1.4 and 1.5, cancellation doesn't work for real MCU. This
is due to the change of chx_sched interface, introduced for GNU/Linux
emulation. This bug is fixed.
** New feature: sleep mode
New function chopstx_conf_idle is added to support sleep. Note that
use of sleep by this feature requires careful preparation. For
example, enabling sleep, a board with no RESET pin cannot be debugged
by JTAG/SWD. Setting of DBGMCU_CR (0xE0042004) is required beforehand
(hardware default is zero).
** API change: chopstx_poll
This is a kind of clarification. The third argument is now an array
of constant pointers. We don't touch the array itself, just use it.
This allows having the array in read-only memory and can contribute
less use of RAM.
** USB API changes
INTR_REQ_USB is now defined by usb_lld.h. Enumeration type of
DEVICE_STATE now has USB_DEVICE_STATE_ prefix.
** USB driver change
USB suspend and wakeup events are supported for STM32F103.
* Major changes in Chopstx 1.5
Released 2017-10-10
** Stack size definition by stack-def.h
Stack size of each thread was used to be defined in ldscript.
While emulation on GNU/Linux doesn't use ldscript, it is better
to put those definitions in independent header file. Please see
example-cdc/stack-def.h and example-cdc/sample.ld.
** More support for emulation on GNU/Linux
We have SYS driver for emulation on GNU/Linux. It has flash ROM
emulation.
* Major changes in Chopstx 1.4
Released 2017-08-11
** New port: Emulation on GNU/Linux
Now, user can run Chopstx application on GNU/Linux. Its USB driver is
by USBIP. Its ADC driver is dummy with random(3).
* Major changes in Chopstx 1.3
Released 2017-02-02
** New board support: Blue Pill
It is contributed by Paul Fertser.
* Major changes in Chopstx 1.2
Released 2016-10-13
** Fix: chopstx_join
chopstx_join is now cancellation point.
* Major changes in Chopstx 1.1
Released 2016-07-01
** API change: chopstx_poll
In version 1.0, chopstx_poll has variable arguments. It found that
it's challenging for ffi or lower level C implementation, if C
compiler is new for the specific MCU target. Another example is that
a program touches FPU registers for varargs, even if no argument is
float. So, we decided to avoid use of varargs in Chopstx.
** API change: chopstx_setpriority
In version 1.0, chopstx_setpriority does not return value. It is
changed to return old value of the priority.
* Major changes in Chopstx 1.0
Released 2016-06-16
** New USB API
Now, USB driver is included in Chopstx. So, it should be good one.
It used to be the code which was derived from interrupt driven API
with callbacks. It's changed to event driven API, so that a user can
do as wish, beyond the restriction of callbacks.
** New board support: FST-01G
FST-01G is a new revision of original FST-01 with fixed pull-up of
D+ line.
* Major changes in Chopstx 0.12
Released 2016-05-31
** Provide drivers of SYS, USB and ADC
Those were only offered as examples, but now, Chopstx provides drivers
of SYS, USB, and ADC. Please note that the ADC driver is not for
general use (it's specific to NeuG to get noise). To use them, enable
variables in Makefile, like following.
------------
CHIP=stm32f103
USE_ADC = yes
USE_USB = yes
USE_SYS = yes
DEFS = -DUSE_SYS3
------------
** Removal of chopstx_usec_wait_var chopstx_wakeup_usec_wait
This API was used when we need to wait something with timeout.
Now, we have better API with chopstx_poll. Please use chopstx_poll
and chopstx_cond_signal.
* Major changes in Chopstx 0.11
Released 2016-05-19
** New feature: polling
New function chopstx_poll is added to watch multiple condition
variables, threads' exit, or IRQ, simultaneously with timeout.
** Change API of eventflag
The initialization function eventflag_init only has an argument of EV.
An eventflag can be waited with timeout or can be waited with no
timeout, as caller like. It is not determined at initialization time
now. Besides, the eventflag can be waited by any threads. Functions
to poll eventflag together with other events (cond, join, and IRQ) are
provided.
** Removal of the function chopstx_release_irq
IRQ is enabled only when a thread is blocked in polling. When it (the
thread in polling) is canceled, IRQ is disabled.
** Removal of the function chopstx_main_init
It is removed because it's too special. Please use
chopstx_setpriority instead.
** New function: chopstx_setpriority
This function is not recommended in general. It is only added to
support the usage when main thread wants to change the schedule
priority after creating other threads.
** Function chopstx_intr_wait is deprecated
Use of chopstx_poll is recommended.
** FS-BB48: Kinetis L MCU
Support for FS-BB48 board with Kinetis L MCU is added.
** No HardFault at context switch on Cortex-M0
By its design, Chopstx does context switch holding the scheduler lock.
This is implemented with the feature of BASEPRI on Cortex-M3. Because
Cortex-M0 doesn't have support of BASEPRI, the context switch (before
version 0.11) always caused HardFault exception. Since Cortex-M0
doesn't have complex exception mechism of ICI/IT (which is supported
on Cortex-M3), it is actually possible to implement the context switch
in user mode. This is done.
** New sys.c (3.0)
Don't touch NVIC in usb_lld_sys_init.
* Major changes in Chopstx 0.10
Released 2015-09-15
** Thread cancellation bug fix
Thread cancellation didn't work well with 0.09 because
of initial configuration mistake. It's fixed.
** Interrupt handler bug fix
Interrupt handler wasn't unregistered on exit well.
It's fixed.
* Major changes in Chopstx 0.09
Released 2015-09-10
** New board support: Nitrokey-Start
It is contributed by Mateusz Zalega.
** Thread cancellation
Add new API: chopstx_setcancelstate.
* Major changes in Chopstx 0.08
Released 2015-07-31
** New board support: ST Nucleo F103
It is contributed by Kenji Rikitake.
** New board support: ST Dongle
It is contributed by Kenji Rikitake.
It's the ST-Link/V2-1 part of ST Nucleo F103.
* Major changes in Chopstx 0.07
Released 2015-07-15
** New Board macro definitions
Each board-*.h should have BOARD_ID and BOARD_NAME now.
FLASH_PAGE_SIZE and NEUG_ADC_SETTING2_* are deprecated.
** New sys.c (2.1)
Flash memory size is probed at runtime now. System
service flash pages now include sys_board_id and sys_board_name.
* Major changes in Chopstx 0.06
Released 2015-07-08
** New file: clk_gpio_init.c
To avoid duplication of code, clock and GPIO initialization code
is now in this file.
** New board support: STM32 Primer2
It is contributed by Kaz Kojima.
** New board support: CQ STARM
The old board which was "published" by CQ Publishing in 2008 is added.
* Major changes in Chopstx 0.05
Released 2015-04-20, by NIIBE Yutaka
** New function: chopstx_main_init
chopstx_main_init is the function to change the schedule priority of
main thread. This is useful to enter main loop after initialization
of other threads.
** The use of CHX_PRIO_MAIN
CHX_PRIO_MAIN is deprecated. Instead, please use the function
chopstx_main_init.
** Cortex-M0 support
Cortex-M0 support has been added.
** New board support: Maple mini
It is contributed by Aidan Thornton.
** New board support: FSM-55 and STM32F0 Discovery
Those boards with STM32F0 (Cortex-M0) are now supported.
* Major changes in Chopstx 0.04
Released 2014-12-10, by NIIBE Yutaka
** new board.h macros and sys.c in example
In board.h, RCC_APB2ENR_IOP_EN was renamed to RCC_ENR_IOP_EN and
RCC_APB2RSTR_IOP_RST was renamed to RCC_RSTR_IOP_RST. Example sys.c
was changed accordingly.
** Bug fix of chopstx_wakeup_usec_wait
chopstx_usec_wait_var/chopstx_usec_wait won't be woken up
by chopstx_wakeup_usec_wait. This is now fixed in 0.04.
** Board support STBee and STBee Mini
The board STBee and STBee Mini are now supported.
* Major changes in Chopstx 0.03
Released 2013-11-08, by NIIBE Yutaka
** Bug fix of preemption
In the implementation of preemption, there was a bug which might cause
not to schedule proper thread. This is because the routine preepmt
itself might be interrupted. This is now fixed in 0.03.
* Major changes in Chopstx 0.02
Released 2013-11-08, by NIIBE Yutaka
** Bug fix of priority
There was a severe bug about the configuraion of priority setting of
exceptions. As we don't use any inter-lock between interrupts hander
and timer expiration handler, these priorities should be equal. If
not, timer expiration handler might interrupt the execution of
interrupts handers.
* Major changes in Chopstx 0.01
Released 2013-11-03, by NIIBE Yutaka
** Interrupt handling change
There was a bug in 0.00, which caused spurious interrupts. Every
interrupt event caused two events. Specifically, after valid
interrupt event (for the caller of chopstx_intr_wait), another
spurious event was always occurred. This was fixed.
In the design of Chopstx, interrupt handling is done by a thread.
Lower level interrupt handler just accepts interrupt, disabling the
interrupt, and switchs the control to the thread. It is the thread to
check the cause of interrupt, to process it, and to clear the cause.
Next call to chopstx_intr_wait will enable the interrupt again.
The bug was related to pending interrupt flag. Pending interrupt flag
for a specific interrupt is set, on return from handler mode if the
cause is still active. With traditional interrupt handling, lower
level interrupt handler processes it and clears the cause. Thus,
pending interrupt flag is not set on return.
In Chopstx, pending interrupt flag was always set, because the control
goes from lower level interrupt handler (in handler mode) to a
interrupt handling thread which processes the interrupt. In 0.01, new
internal routine chx_clr_intr is introduced, and pending interrupt
flag is cleared within chopstx_intr_wait after waked up.
For detail of interrupt operation, see the section B.3.4, Nested
Vectored Interrupt Controller (NVIC), in the ARM v7-M Architecture
Reference Manual. The subsection, B3.4.1, Theory of operation,
explains how it works.
** gpio_init change
Now, gpi_init support AFIO mapping and another GPIO (GPIO_OTHER)
settings.
# Local Variables:
# mode: outline
# End:

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Chopstx - Threads and only Threads
Version 1.14
2018-03-02
Niibe Yutaka
Flying Stone Technology
What's Chopstx?
===============
Chopstx is an RT thread library for STM32F103 and GD32F103 (ARM
Cortex-M3), STM32F030 (ARM Cortex-M0), MKL27Z (ARM Cortex-M0plus), and
emulation on GNU/Linux.
While most RTOSes come with many features, drivers, and protocol
stacks, Chopstx just offers a simple RT thread library.
With Chopstx, interrupt handling is also done by a thread. This
enables coherent code for ease of maintenance.
While threads are important, we don't need more threads than
necessary. Chopstx provides a feature of poll, so that we can
minimize use of threads.
Note that this library is _not_ related to the hand game:
https://en.wikipedia.org/wiki/Chopsticks_(hand_game)
Thanks to Yao Wei and Enrico Zini for giving me an opportunity
visiting the wiki page above, when my children were playing the game.
License
=======
It is distributed under GNU General Public Licence version 3 or later
(GPLv3+), with additional permission. Please see COPYING and
EXCEPTION.
Example code
============
We have some examples in this distribution; Useful ones are LED
blinker and USB CDC-ACM device. For STM32F103, you can build it USB
CDC-ACM demo by:
$ cd example-cdc
$ ln -sf ../board/board-olimex-stm32-h103.h board.h
$ make
If you want to try GD32F103, Add -DMHZ=96 to DEFS in Makefile.
For a specific board named FSM-55, an example of LED matrix dynamic
driver is provided. See the directory: example-fsm-55.
For STM32 Primer2, see the directory: example-primer2.
Future Works
============
Convenience function to determine the bottom of thread stack,
configuration of thread size by compiler's output would be next things
to be done.
Experimental SMP port for Cortex-A7 is under development. For SMP,
more careful considerations for shared access to objects of struct
chx_pq is needed. So, modifications required will not be small.
--

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release/1.14

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int adc_init (void);
void adc_start (void);
void adc_stop (void);
extern uint32_t adc_buf[64];
void adc_start_conversion (int offset, int count);
int adc_wait_completion (void);

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#define BOARD_NAME "Blue Pill GD32F103"
/* http://wiki.stm32duino.com/index.php?title=Blue_Pill */
/* echo -n "Blue Pill GD32F103" | shasum -a 256 | sed -e 's/^.*\(........\) -$/\1/' */
#define BOARD_ID 0xed415594
#define MCU_STM32F1_GD32F1 1
#define STM32_USBPRE STM32_USBPRE_DIV2
#define STM32_ADCPRE STM32_ADCPRE_DIV8
#define MCU_STM32F1 1
#define STM32F10X_MD /* Medium-density device */
#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
#define STM32_PLLMUL_VALUE 12
#define STM32_HSECLK 8000000
#define GPIO_LED_BASE GPIOC_BASE
#define GPIO_LED_CLEAR_TO_EMIT 13
#define GPIO_USB_BASE GPIOA_BASE
#undef GPIO_OTHER_BASE
/*
* Port A setup.
* PA11 - Push Pull output 10MHz 0 default (until USB enabled) (USBDM)
* PA12 - Push Pull output 10MHz 0 default (until USB enabled) (USBDP)
*
* Port C setup.
* PC13 - Push pull output 50MHz (LED 1:ON 0:OFF)
* ------------------------ Default
* PAx - input with pull-up
* PCx - input with pull-up
*/
#define VAL_GPIO_USB_ODR 0xFFFFE7FF
#define VAL_GPIO_USB_CRL 0x88888888 /* PA7...PA0 */
#define VAL_GPIO_USB_CRH 0x88811888 /* PA15...PA8 */
#define VAL_GPIO_LED_ODR 0xFFFFFFFF
#define VAL_GPIO_LED_CRL 0x88888888 /* PC7...PC0 */
#define VAL_GPIO_LED_CRH 0x88388888 /* PC15...PC8 */
#define RCC_ENR_IOP_EN (RCC_APB2ENR_IOPAEN | RCC_APB2ENR_IOPCEN)
#define RCC_RSTR_IOP_RST (RCC_APB2RSTR_IOPARST | RCC_APB2RSTR_IOPCRST)

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#define BOARD_NAME "Blue Pill"
/* http://wiki.stm32duino.com/index.php?title=Blue_Pill */
/* echo -n "Blue Pill" | shasum -a 256 | sed -e 's/^.*\(........\) -$/\1/' */
#define BOARD_ID 0xa1099d43
#define MCU_STM32F1 1
#define STM32F10X_MD /* Medium-density device */
#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
#define STM32_PLLMUL_VALUE 9
#define STM32_HSECLK 8000000
#define GPIO_LED_BASE GPIOC_BASE
#define GPIO_LED_CLEAR_TO_EMIT 13
#define GPIO_USB_BASE GPIOA_BASE
#undef GPIO_OTHER_BASE
/*
* Port A setup.
* PA11 - Push Pull output 10MHz 0 default (until USB enabled) (USBDM)
* PA12 - Push Pull output 10MHz 0 default (until USB enabled) (USBDP)
*
* Port C setup.
* PC13 - Push pull output 50MHz (LED 1:ON 0:OFF)
* ------------------------ Default
* PAx - input with pull-up
* PCx - input with pull-up
*/
#define VAL_GPIO_USB_ODR 0xFFFFE7FF
#define VAL_GPIO_USB_CRL 0x88888888 /* PA7...PA0 */
#define VAL_GPIO_USB_CRH 0x88811888 /* PA15...PA8 */
#define VAL_GPIO_LED_ODR 0xFFFFFFFF
#define VAL_GPIO_LED_CRL 0x88888888 /* PC7...PC0 */
#define VAL_GPIO_LED_CRH 0x88388888 /* PC15...PC8 */
#define RCC_ENR_IOP_EN (RCC_APB2ENR_IOPAEN | RCC_APB2ENR_IOPCEN)
#define RCC_RSTR_IOP_RST (RCC_APB2RSTR_IOPARST | RCC_APB2RSTR_IOPCRST)

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#define BOARD_NAME "CQ STARM"
#define BOARD_ID 0xc5480875
#define MCU_STM32F1 1
#define STM32F10X_MD /* Medium-density device */
#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
#define STM32_PLLMUL_VALUE 9
#define STM32_HSECLK 8000000
#define GPIO_LED_BASE GPIOC_BASE
#define GPIO_LED_SET_TO_EMIT 6
#undef GPIO_USB_BASE /* No external DISCONNECT/RENUM circuit. */
#define GPIO_OTHER_BASE GPIOA_BASE
/*
* Port A setup.
* PA0 - input with pull-up. AN0
* PA1 - input with pull-up. AN1
* PA11 - Push Pull output 10MHz 0 default (until USB enabled) (USBDM)
* PA12 - Push Pull output 10MHz 0 default (until USB enabled) (USBDP)
* ------------------------ Default
* PAx - input with pull-up
*/
#define VAL_GPIO_OTHER_ODR 0xFFFFE7FF
#define VAL_GPIO_OTHER_CRL 0x88888888 /* PA7...PA0 */
#define VAL_GPIO_OTHER_CRH 0x88811888 /* PA15...PA8 */
/*
* Port C setup.
* PC0 - Push Pull output 50MHz.
* PC1 - Push Pull output 50MHz.
* Everything input with pull-up except:
* PC4 - Normal input (ADC_IN14 : VoutY of LIS344ALH).
* PC5 - Normal input (ADC_IN15 : VoutZ of LIS344ALH).
* PC6 - Push Pull output (LED).
* (PC9 - SDCard CD)
* (PC12 - SDCard CS)
* PC14 - Normal input (XTAL).
* PC15 - Normal input (XTAL).
*/
#define VAL_GPIO_LED_CRL 0x83448833 /* PC7...PC0 */
#define VAL_GPIO_LED_CRH 0x44888888 /* PC15...PC8 */
#define VAL_GPIO_LED_ODR 0xFFFFFFFF
#define RCC_ENR_IOP_EN (RCC_APB2ENR_IOPAEN|RCC_APB2ENR_IOPCEN)
#define RCC_RSTR_IOP_RST (RCC_APB2RSTR_IOPARST|RCC_APB2RSTR_IOPCRST)

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#define BOARD_NAME "FS-BB48"
#define BOARD_ID 0xd1f5119c
/* echo -n "FST-01" | sha256sum | sed -e 's/^.*\(........\) -$/\1/' */
#define MCU_KINETIS_L 1

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#define BOARD_NAME "FSM-55"
#define BOARD_ID 0x83433c76
/*
* Running at 48MHz with HSI as clock source.
*
*/
#define MCU_STM32F0 1
/* __ARM_ARCH_6M__ */
#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
#define STM32_PLLMUL_VALUE 12
#define STM32_HSICLK 8000000
#define GPIO_LED_BASE GPIOA_BASE
#define GPIO_LED_SET_TO_EMIT 5
#define GPIO_OTHER_BASE GPIOF_BASE /* USER BUTTON */
/*
* Port A setup.
* PA5 - ON (LED 1:ON 0:OFF)
* PA4 - Pull DOWN
*/
#define VAL_GPIO_LED_MODER 0x00145555 /* Output Pin0-7, Pin9 and Pin10 */
#define VAL_GPIO_LED_OTYPER 0x0000001f /* Open-drain for Pin0-4, Push-Pull*/
#define VAL_GPIO_LED_OSPEEDR 0x003cffff /* High speed */
#define VAL_GPIO_LED_PUPDR 0x00000000 /* No pull-up/pull-down */
#define RCC_ENR_IOP_EN (RCC_AHBENR_IOPAEN | RCC_AHBENR_IOPFEN)
#define RCC_RSTR_IOP_RST (RCC_AHBRSTR_IOPARST | RCC_AHBRSTR_IOPFRST)
/*
* Port F setup.
* PF0 - USER Button
* PF1 - SPEAKER
*/
#define VAL_GPIO_OTHER_MODER 0x00000004 /* Input Pin0, Output Pin1 */
#define VAL_GPIO_OTHER_OTYPER 0x00000000 /* Push-Pull Pin1 */
#define VAL_GPIO_OTHER_OSPEEDR 0x00000000
#define VAL_GPIO_OTHER_PUPDR 0x00000009 /* Pull-up Pin0, Pull-down Pin1 */

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#define BOARD_NAME "FST-01-00"
#define BOARD_ID 0x613870a9
#define MCU_STM32F1 1
#define STM32F10X_MD /* Medium-density device */
#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
#define STM32_PLLMUL_VALUE 9
#define STM32_HSECLK 8000000
#define GPIO_LED_BASE GPIOA_BASE
#define GPIO_LED_SET_TO_EMIT 8
#define GPIO_USB_BASE GPIOA_BASE
#define GPIO_USB_SET_TO_ENABLE 10
#undef GPIO_OTHER_BASE
/*
* Port A setup.
* PA0 - input with pull-up. AN0
* PA1 - input with pull-up. AN1
* PA8 - Push pull output 50MHz (LED 1:ON 0:OFF)
* PA10 - Push pull output 50MHz (USB 1:ON 0:OFF)
* PA11 - Push Pull output 10MHz 0 default (until USB enabled) (USBDM)
* PA12 - Push Pull output 10MHz 0 default (until USB enabled) (USBDP)
* ------------------------ Default
* PAx - input with pull-up
*/
#define VAL_GPIO_LED_ODR 0xFFFFE7FF
#define VAL_GPIO_LED_CRL 0x88888888 /* PA7...PA0 */
#define VAL_GPIO_LED_CRH 0x88811383 /* PA15...PA8 */
#define RCC_ENR_IOP_EN RCC_APB2ENR_IOPAEN
#define RCC_RSTR_IOP_RST RCC_APB2RSTR_IOPARST

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gnuk/chopstx/board/board-fst-01.h
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#define BOARD_NAME "FST-01"
#define BOARD_ID 0x696886af
/* echo -n "FST-01" | sha256sum | sed -e 's/^.*\(........\) -$/\1/' */
#define MCU_STM32F1 1
#define STM32F10X_MD /* Medium-density device */
#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
#define STM32_PLLMUL_VALUE 6
#define STM32_HSECLK 12000000
#define GPIO_LED_BASE GPIOB_BASE
#define GPIO_LED_SET_TO_EMIT 0
#define GPIO_USB_BASE GPIOA_BASE
#define GPIO_USB_SET_TO_ENABLE 10
#undef GPIO_OTHER_BASE
/*
* Port A setup.
* PA0 - input with pull-up (TIM2_CH1): AN0 for NeuG
* PA1 - input with pull-down (TIM2_CH2)
* PA2 - input with pull-up (TIM2_CH3) connected to CIR module
* PA3 - input with pull-up: external pin available to user
* PA4 - Push pull output (SPI1_NSS)
* PA5 - Alternate Push pull output (SPI1_SCK)
* PA6 - Alternate Push pull output (SPI1_MISO)
* PA7 - Alternate Push pull output (SPI1_MOSI)
* PA10 - Push pull output (USB 1:ON 0:OFF)
* PA11 - Push Pull output 10MHz 0 default (until USB enabled) (USBDM)
* PA12 - Push Pull output 10MHz 0 default (until USB enabled) (USBDP)
* ------------------------ Default
* PA8 - input with pull-up.
* PA9 - input with pull-up.
* PA13 - input with pull-up.
* PA14 - input with pull-up.
* PA15 - input with pull-up.
*/
#define VAL_GPIO_USB_ODR 0xFFFFE7FD
#define VAL_GPIO_USB_CRL 0xBBB38888 /* PA7...PA0 */
#define VAL_GPIO_USB_CRH 0x88811388 /* PA15...PA8 */
/*
* Port B setup.
* PB0 - Push pull output (LED 1:ON 0:OFF)
* PB1 - input with pull-up: AN9 for NeuG
* ------------------------ Default
* PBx - input with pull-up.
*/
#define VAL_GPIO_LED_ODR 0xFFFFFFFF
#define VAL_GPIO_LED_CRL 0x88888883 /* PA7...PA0 */
#define VAL_GPIO_LED_CRH 0x88888888 /* PA15...PA8 */
#define RCC_ENR_IOP_EN (RCC_APB2ENR_IOPAEN | RCC_APB2ENR_IOPBEN)
#define RCC_RSTR_IOP_RST (RCC_APB2RSTR_IOPARST | RCC_APB2RSTR_IOPBRST)
/*
* Board specific information other than clock and GPIO initial
* setting should not be in board-*.h, but each driver should include
* information by itself.
*
* Please see NeuG's ADC driver how board specific handling is done.
*
* Given the situation of Chopstx's boards support, which is not that
* huge, this works well. If scalability and flexibility will matter,
* we will need something like device tree in which boot process can
* pass information to application program.
*
* Following constants are here, because experimental CIR driver is
* written before this design decision of Chopstx.
*
* Those will be removed soon, once such an driver will be improved
* in new style.
*/
#if defined(PINPAD_CIR_SUPPORT)
/* For pin-cir settings of Gnuk */
#define TIMx TIM2
#define INTR_REQ_TIM TIM2_IRQ
#define AFIO_EXTICR_INDEX 0
#define AFIO_EXTICR1_EXTIx_Py AFIO_EXTICR1_EXTI2_PA
#define EXTI_PR EXTI_PR_PR2
#define EXTI_IMR EXTI_IMR_MR2
#define EXTI_FTSR_TR EXTI_FTSR_TR2
#define INTR_REQ_EXTI EXTI2_IRQ
#define ENABLE_RCC_APB1
#define RCC_APBnENR_TIMxEN RCC_APB1ENR_TIM2EN
#define RCC_APBnRSTR_TIMxRST RCC_APB1RSTR_TIM2RST
#endif

86
gnuk/chopstx/board/board-fst-01g.h
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#define BOARD_NAME "FST-01G"
#define BOARD_ID 0x8801277f
/* echo -n "FST-01G" | sha256sum | sed -e 's/^.*\(........\) -$/\1/' */
#define MCU_STM32F1 1
#define STM32F10X_MD /* Medium-density device */
#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
#define STM32_PLLMUL_VALUE 6
#define STM32_HSECLK 12000000
#define GPIO_LED_BASE GPIOB_BASE
#define GPIO_LED_SET_TO_EMIT 0
#define GPIO_USB_BASE GPIOA_BASE
#undef GPIO_OTHER_BASE
/*
* Port A setup.
* PA0 - input with pull-up (TIM2_CH1): AN0 for NeuG
* PA1 - input with pull-down (TIM2_CH2)
* PA2 - input with pull-up (TIM2_CH3) connected to CIR module
* PA3 - input with pull-up: external pin available to user
* PA4 - Push pull output (SPI1_NSS)
* PA5 - Alternate Push pull output (SPI1_SCK)
* PA6 - Alternate Push pull output (SPI1_MISO)
* PA7 - Alternate Push pull output (SPI1_MOSI)
* PA10 - Push pull output 1 default
* (so that binary for FST-01G also works on FST-01)
* PA11 - Push Pull output 10MHz 0 default (until USB enabled) (USBDM)
* PA12 - Push Pull output 10MHz 0 default (until USB enabled) (USBDP)
* ------------------------ Default
* PA8 - input with pull-up.
* PA9 - input with pull-up.
* PA13 - input with pull-up.
* PA14 - input with pull-up.
* PA15 - input with pull-up.
*/
#define VAL_GPIO_USB_ODR 0xFFFFE7FD
#define VAL_GPIO_USB_CRL 0xBBB38888 /* PA7...PA0 */
#define VAL_GPIO_USB_CRH 0x88811388 /* PA15...PA8 */
/*
* Port B setup.
* PB0 - Push pull output (LED 1:ON 0:OFF)
* PB1 - input with pull-up: AN9 for NeuG
* ------------------------ Default
* PBx - input with pull-up.
*/
#define VAL_GPIO_LED_ODR 0xFFFFFFFF
#define VAL_GPIO_LED_CRL 0x88888883 /* PA7...PA0 */
#define VAL_GPIO_LED_CRH 0x88888888 /* PA15...PA8 */
#define RCC_ENR_IOP_EN (RCC_APB2ENR_IOPAEN | RCC_APB2ENR_IOPBEN)
#define RCC_RSTR_IOP_RST (RCC_APB2RSTR_IOPARST | RCC_APB2RSTR_IOPBRST)
/*
* Board specific information other than clock and GPIO initial
* setting should not be in board-*.h, but each driver should include
* information by itself.
*
* Please see NeuG's ADC driver how board specific handling is done.
*
* Given the situation of Chopstx's boards support, which is not that
* huge, this works well. If scalability and flexibility will matter,
* we will need something like device tree in which boot process can
* pass information to application program.
*
* Following constants are here, because experimental CIR driver is
* written before this design decision of Chopstx.
*
* Those will be removed soon, once such an driver will be improved
* in new style.
*/
#if defined(PINPAD_CIR_SUPPORT)
#define TIMx TIM2
#define INTR_REQ_TIM TIM2_IRQ
#define AFIO_EXTICR_INDEX 0
#define AFIO_EXTICR1_EXTIx_Py AFIO_EXTICR1_EXTI2_PA
#define EXTI_PR EXTI_PR_PR2
#define EXTI_IMR EXTI_IMR_MR2
#define EXTI_FTSR_TR EXTI_FTSR_TR2
#define INTR_REQ_EXTI EXTI2_IRQ
#define ENABLE_RCC_APB1
#define RCC_APBnENR_TIMxEN RCC_APB1ENR_TIM2EN
#define RCC_APBnRSTR_TIMxRST RCC_APB1RSTR_TIM2RST
#endif

43
gnuk/chopstx/board/board-fst-01sz.h
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#define BOARD_NAME "FST-01SZ"
#define BOARD_ID 0x7e6fb084
/* echo -n "FST-01SZ" | sha256sum | sed -e 's/^.*\(........\) -$/\1/' */
#define MCU_STM32F1_GD32F1 1
#define STM32_USBPRE STM32_USBPRE_DIV2
#define STM32_ADCPRE STM32_ADCPRE_DIV8
#define MCU_STM32F1 1
#define STM32F10X_MD /* Medium-density device */
#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
#define STM32_PLLMUL_VALUE 8
#define STM32_HSECLK 12000000
#define GPIO_LED_BASE GPIOA_BASE
#define GPIO_LED_SET_TO_EMIT 8
#define GPIO_USB_BASE GPIOA_BASE
#undef GPIO_OTHER_BASE
/*
* Port A setup.
* PA0 - input with pull-up: AN0 for NeuG
* PA1 - input with pull-up: AN1 for NeuG
* PA3 - input with pull-up: Hall effect sensor output
* PA8 - Push pull output 10MHz 0 default (LED 1:ON 0:OFF)
* PA11 - Push Pull output 10MHz 0 default (until USB enabled) (USBDM)
* PA12 - Push Pull output 10MHz 0 default (until USB enabled) (USBDP)
* ------------------------ Default
* PAx - input with pull-up.
*/
#define VAL_GPIO_LED_ODR 0xFFFFE6FF
#define VAL_GPIO_LED_CRL 0x88888888 /* PA7...PA0 */
#define VAL_GPIO_LED_CRH 0x88811881 /* PA15...PA8 */
#define RCC_ENR_IOP_EN RCC_APB2ENR_IOPAEN
#define RCC_RSTR_IOP_RST RCC_APB2RSTR_IOPARST
/*
* Board specific information other than clock and GPIO initial
* setting should not be in board-*.h, but each driver should include
* such specific information by itself.
*/

4
gnuk/chopstx/board/board-gnu-linux.h
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#define BOARD_NAME "GNU/Linux"
/* Emulation on GNU/Linux */
/* echo -n "GNU/Linux" | shasum -a 256 | sed -e 's/^.*\(........\) -$/\1/' */
#define BOARD_ID 0x7ec86145

42
gnuk/chopstx/board/board-maple-mini.h
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#define BOARD_NAME "Maple Mini"
#define BOARD_ID 0x7a445272
#define MCU_STM32F1 1
#define STM32F10X_MD /* Medium-density device */
#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
#define STM32_PLLMUL_VALUE 9
#define STM32_HSECLK 8000000
#define GPIO_LED_BASE GPIOB_BASE
#define GPIO_LED_SET_TO_EMIT 1
#define GPIO_USB_BASE GPIOB_BASE
#define GPIO_USB_CLEAR_TO_ENABLE 9
#define GPIO_OTHER_BASE GPIOA_BASE
/*
* Port A setup.
* PA0 - input with pull-up. AN0
* PA1 - input with pull-up. AN1
* PA11 - Push Pull output 10MHz 0 default (until USB enabled) (USBDM)
* PA12 - Push Pull output 10MHz 0 default (until USB enabled) (USBDP)
* ------------------------ Default
* PAx - input with pull-up
*/
#define VAL_GPIO_OTHER_ODR 0xFFFFE7FF
#define VAL_GPIO_OTHER_CRL 0x88888888 /* PA7...PA0 */
#define VAL_GPIO_OTHER_CRH 0x88811888 /* PA15...PA8 */
/*
* Port B setup.
* PB1 - Push pull output 50MHz (LED 1:ON 0:OFF)
* PB9 - Push pull output 50MHz (USB 1:ON 0:OFF)
* ------------------------ Default
* PBx - input with pull-up
*/
#define VAL_GPIO_LED_ODR 0xFFFFFFFF
#define VAL_GPIO_LED_CRL 0x88888838 /* PB7...PB0 */
#define VAL_GPIO_LED_CRH 0x88888838 /* PB15...PB8 */
#define RCC_ENR_IOP_EN (RCC_APB2ENR_IOPAEN | RCC_APB2ENR_IOPBEN)
#define RCC_RSTR_IOP_RST (RCC_APB2RSTR_IOPARST | RCC_APB2RSTR_IOPBRST)

60
gnuk/chopstx/board/board-nitrokey-start.h
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#define BOARD_NAME "NITROKEY-START"
#define BOARD_ID 0xad1e7ebd
#define MCU_STM32F1 1
#define STM32F10X_MD /* Medium-density device */
#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
#define STM32_PLLMUL_VALUE 6
#define STM32_HSECLK 12000000
#define GPIO_LED_BASE GPIOB_BASE
#define GPIO_LED_SET_TO_EMIT 0
#define GPIO_USB_BASE GPIOA_BASE
#define GPIO_USB_SET_TO_ENABLE 15
#undef GPIO_OTHER_BASE
/*
* Port A setup.
* PA0 - input with pull-up: AN0 for NeuG
* PA1 - input with pull-up: AN1 for NeuG
* PA2 - floating input
* PA3 - floating input
* PA4 - floating input
* PA5 - floating input
* PA6 - floating input
* PA7 - Push pull output (Red LED1 1:ON 0:OFF)
* PA8 - floating input (smartcard, SCDSA)
* PA9 - floating input
* PA10 - floating input
* PA11 - Push Pull output 10MHz 0 default (until USB enabled) (USBDM)
* PA12 - Push Pull output 10MHz 0 default (until USB enabled) (USBDP)
* PA15 - Push pull output (USB_EN 1:ON 0:OFF)
* ------------------------ Default
* PA8 - input with pull-up.
* PA9 - floating input.
* PA10 - floating input.
* PA13 - input with pull-up.
* PA14 - input with pull-up.
* PA15 - Push pull output (USB 1:ON 0:OFF)
*/
#define VAL_GPIO_USB_ODR 0xFFFFE77F
#define VAL_GPIO_USB_CRL 0x34444488 /* PA7...PA0 */
#define VAL_GPIO_USB_CRH 0x38811444 /* PA15...PA8 */
/*
* Port B setup.
* PB0 - Push pull output (Green LED2 1:ON 0:OFF)
* ------------------------ Default
* PBx - input with pull-up.
*/
#define VAL_GPIO_LED_ODR 0xFFFFFFFF
#define VAL_GPIO_LED_CRL 0x88888883 /* PA7...PA0 */
#define VAL_GPIO_LED_CRH 0x88888888 /* PA15...PA8 */
#define RCC_ENR_IOP_EN \
(RCC_APB2ENR_IOPAEN | RCC_APB2ENR_IOPBEN | RCC_APB2ENR_AFIOEN)
#define RCC_RSTR_IOP_RST \
(RCC_APB2RSTR_IOPARST | RCC_APB2RSTR_IOPBRST | RCC_APB2RSTR_AFIORST)
#define AFIO_MAPR_SOMETHING AFIO_MAPR_SWJ_CFG_JTAGDISABLE

33
gnuk/chopstx/board/board-olimex-stm32-h103.h
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#define BOARD_NAME "Olimex STM32-H103"
#define BOARD_ID 0xf92bb594
#define MCU_STM32F1 1
#define STM32F10X_MD /* Medium-density device */
#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
#define STM32_PLLMUL_VALUE 9
#define STM32_HSECLK 8000000
#define GPIO_LED_BASE GPIOC_BASE
#define GPIO_LED_CLEAR_TO_EMIT 12
#define GPIO_USB_BASE GPIOC_BASE
#define GPIO_USB_CLEAR_TO_ENABLE 11
#undef GPIO_OTHER_BASE
/*
* Port C setup.
* PC0 - input with pull-up. AN10 for NeuG
* PC1 - input with pull-up. AN11 for NeuG
* PC6 - input without pull-up/down
* PC7 - input without pull-up/down
* PC11 - Open-drain output 50MHz (USB disconnect).
* PC12 - Push Pull output 50MHz (LED).
* ------------------------ Default
* PCx - input with pull-up
*/
#define VAL_GPIO_LED_ODR 0xFFFFFFFF
#define VAL_GPIO_LED_CRL 0x44888888 /* PC7...PC0 */
#define VAL_GPIO_LED_CRH 0x88837888 /* PC15...PC8 */
#define RCC_ENR_IOP_EN RCC_APB2ENR_IOPCEN
#define RCC_RSTR_IOP_RST RCC_APB2RSTR_IOPCRST

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gnuk/chopstx/board/board-st-dongle.h
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#define BOARD_NAME "ST Dongle"
/* echo -n "ST Dongle" | shasum -a 256 | sed -e 's/^.*\(........\) -$/\1/' */
#define BOARD_ID 0x2cd4e471
#define MCU_STM32F1 1
#define STM32F10X_MD /* Medium-density device */
#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
#define STM32_PLLMUL_VALUE 9
#define STM32_HSECLK 8000000
#define GPIO_LED_BASE GPIOA_BASE
#define GPIO_LED_SET_TO_EMIT 9
#define GPIO_USB_BASE GPIOA_BASE
#define GPIO_USB_SET_TO_ENABLE 15
#undef GPIO_OTHER_BASE
/*
* Port A setup.
* PA0 - input with pull-up. AN0
* PA1 - input with pull-up. AN1
* PA9 - Push pull output 50MHz (LED 1:ON 0:OFF)
* PA11 - Push Pull output 10MHz 0 default (until USB enabled) (USBDM)
* PA12 - Push Pull output 10MHz 0 default (until USB enabled) (USBDP)
* PA15 - Push pull output 50MHz (USB 1:ON 0:OFF)
* ------------------------ Default
* PAx - input with pull-up
*/
#define VAL_GPIO_LED_ODR 0xFFFFE7FF
#define VAL_GPIO_LED_CRL 0x88888888 /* PA7...PA0 */
#define VAL_GPIO_LED_CRH 0x38811838 /* PA15...PA8 */
#define RCC_ENR_IOP_EN RCC_APB2ENR_IOPAEN
#define RCC_RSTR_IOP_RST RCC_APB2RSTR_IOPARST

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gnuk/chopstx/board/board-st-nucleo-f103.h
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#define BOARD_NAME "ST Nucleo F103"
#define BOARD_ID 0x9b87c16d
/*
* Please add X3 and USB cable to ST Nucleo F103.
*
* Solder X3 XTAL of 8MHz (and put C33 and C34 of 22pF).
* Solder the bridges for R35 and R37, since it's 0 ohm.
*
* (Optional) Remove SB54 and SB55.
*
* At CN10, connect USB cable
* Vbus RED --> 10 NC ----------> CN7 (6 E5V)
* D+ GREEN --> 12 PA11 ---[1K5]--> CN6 (4 3V3)
* D- WHITE --> 14 PA12
* GND BLACK --> 20 GND
*/
#define MCU_STM32F1 1
#define STM32F10X_MD /* Medium-density device */
#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
#define STM32_PLLMUL_VALUE 9
#define STM32_HSECLK 8000000
#define GPIO_LED_BASE GPIOA_BASE
#define GPIO_LED_SET_TO_EMIT 5
#undef GPIO_USB_BASE /* No external DISCONNECT/RENUM circuit. */
#define GPIO_OTHER_BASE GPIOB_BASE
/*
* Port A setup.
* PA0 - Input with pull-up USART2-CTS
* PA1 - Alternate function push pull output 2MHz USART2-RTS
* PA2 - Alternate function push pull output 2MHz USART2-TX
* PA3 - Input with pull-up USART2-RX
* PA4 - Alternate function push pull output 2MHz USART2-CK
* PA5 - Push pull output 2MHz (LED 1:ON 0:OFF)
* PA11 - Push Pull output 10MHz 0 default (until USB enabled) (USBDM)
* PA12 - Push Pull output 10MHz 0 default (until USB enabled) (USBDP)
* ------------------------ Default
* PAx - input with pull-up
*/
#define VAL_GPIO_LED_ODR 0xFFFFE7FF
#define VAL_GPIO_LED_CRL 0x882A8AA8 /* PA7...PA0 */
#define VAL_GPIO_LED_CRH 0x88811888 /* PA15...PA8 */
/*
* Port B setup.
* PB0 - input with pull-up: AN8 for NeuG
* PB1 - input with pull-up: AN9 for NeuG
* ---
* ---
* PB4 - Input with pull-up: Card insertion detect: 0 when detected
* ---
* PB6 - Output push pull 2MHz: Vcc for card: default 0
* ---
* PB8 - Output push pull 2MHz: Vpp for card: default 0
* PB9 - Output push pull 2MHz: RST for card: default 0
* PB10 - Alternate function open-drain output 50MHz USART3-TX
* PB11 - Input with pull-up USART3-RX
* PB12 - Alternate function push pull output 50MHz USART3-CK
* PB13 - Input with pull-up USART3-CTS
* PB14 - Alternate function push pull output 50MHz USART3-RTS
* ---
* ------------------------ Default
* PBx - input with pull-up.
*/
#define VAL_GPIO_OTHER_ODR 0xFFFFFCBF
#define VAL_GPIO_OTHER_CRL 0x82888888 /* PB7...PB0 */
#define VAL_GPIO_OTHER_CRH 0x8B8B8F22 /* PB15...PB8 */
#define RCC_ENR_IOP_EN (RCC_APB2ENR_IOPAEN | RCC_APB2ENR_IOPBEN)
#define RCC_RSTR_IOP_RST (RCC_APB2RSTR_IOPARST | RCC_APB2RSTR_IOPBRST)

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gnuk/chopstx/board/board-stbee-mini.h
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#define BOARD_NAME "STBee Mini"
#define BOARD_ID 0x1f341961
#define MCU_STM32F1 1
#define STM32F10X_MD /* Medium-density device */
#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
#define STM32_PLLMUL_VALUE 6
#define STM32_HSECLK 12000000
#define GPIO_LED_BASE GPIOA_BASE
#define GPIO_LED_CLEAR_TO_EMIT 13
#define GPIO_USB_BASE GPIOA_BASE
#define GPIO_USB_SET_TO_ENABLE 14
#if defined(PINPAD_CIR_SUPPORT) || defined(PINPAD_DIAL_SUPPORT)
#define HAVE_7SEGLED 1
/*
* Timer assignment for CIR
*/
#define TIMx TIM3
#define INTR_REQ_TIM TIM3_IRQ
#define AFIO_EXTICR_INDEX 0
#endif
#if defined(PINPAD_CIR_SUPPORT)
#define AFIO_EXTICR1_EXTIx_Py AFIO_EXTICR1_EXTI0_PB
#define EXTI_PR EXTI_PR_PR0
#define EXTI_IMR EXTI_IMR_MR0
#define EXTI_FTSR_TR EXTI_FTSR_TR0
#define INTR_REQ_EXTI EXTI0_IRQ
#define RCC_APBnENR_TIMxEN RCC_APB1ENR_TIM3EN
#define RCC_APBnRSTR_TIMxRST RCC_APB1RSTR_TIM3RST
#elif defined(PINPAD_DIAL_SUPPORT)
#define AFIO_EXTICR1_EXTIx_Py AFIO_EXTICR1_EXTI2_PB
#define EXTI_PR EXTI_PR_PR2
#define EXTI_IMR EXTI_IMR_MR2
#define EXTI_FTSR_TR EXTI_FTSR_TR2
#define INTR_REQ_EXTI EXTI2_IRQ
#define RCC_APBnENR_TIMxEN RCC_APB1ENR_TIM4EN
#define RCC_APBnRSTR_TIMxRST RCC_APB1RSTR_TIM4RST
#endif
#define ENABLE_RCC_APB1
#if defined(PINPAD_CIR_SUPPORT) || defined(PINPAD_DIAL_SUPPORT)
/*
* Port A setup.
* PA1 - Digital input with PullUp. AN1 for NeuG
* PA2 - Digital input with PullUp. AN2 for NeuG
* PA6 - (TIM3_CH1) input with pull-up
* PA7 - (TIM3_CH2) input with pull-down
* PA11 - Push Pull output 10MHz 0 default (until USB enabled) (USBDM)
* PA12 - Push Pull output 10MHz 0 default (until USB enabled) (USBDP)
* PA13 - Open Drain output (LED1 0:ON 1:OFF)
* PA14 - Push pull output (USB ENABLE 0:DISABLE 1:ENABLE)
* PA15 - Open Drain output (LED2 0:ON 1:OFF)
*/
#define VAL_GPIO_LED_ODR 0xFFFFE77F
#define VAL_GPIO_LED_CRL 0x88888888 /* PA7...PA0 */
#define VAL_GPIO_LED_CRH 0x63611888 /* PA15...PA8 */
#define GPIO_OTHER_BASE GPIOB_BASE
/*
* Port B setup.
* PB0 - Push pull output (LED 1:ON 0:OFF)
* ------------------------ Default
* PBx - input with pull-up.
*/
#define VAL_GPIO_OTHER_ODR 0xFFFFFFFF
#define VAL_GPIO_OTHER_CRL 0x88888888 /* PB7...PB0 */
#define VAL_GPIO_OTHER_CRH 0x66666666 /* PB15...PB8 */
/* Port B setup. */
#define GPIOB_CIR 0
#define GPIOB_BUTTON 2
#define GPIOB_ROT_A 6
#define GPIOB_ROT_B 7
#define GPIOB_7SEG_DP 15
#define GPIOB_7SEG_A 14
#define GPIOB_7SEG_B 13
#define GPIOB_7SEG_C 12
#define GPIOB_7SEG_D 11
#define GPIOB_7SEG_E 10
#define GPIOB_7SEG_F 9
#define GPIOB_7SEG_G 8
#define RCC_ENR_IOP_EN \
(RCC_APB2ENR_IOPAEN | RCC_APB2ENR_IOPBEN | RCC_APB2ENR_AFIOEN)
#define RCC_RSTR_IOP_RST \
(RCC_APB2RSTR_IOPARST | RCC_APB2RSTR_IOPBRST | RCC_APB2RSTR_AFIORST)
#else
/*
* Port A setup.
* PA1 - Digital input with PullUp. AN1 for NeuG
* PA2 - Digital input with PullUp. AN2 for NeuG
* PA11 - Push Pull output 10MHz 0 default (until USB enabled) (USBDM)
* PA12 - Push Pull output 10MHz 0 default (until USB enabled) (USBDP)
* PA13 - Open Drain output (LED1 0:ON 1:OFF)
* PA14 - Push pull output (USB ENABLE 0:DISABLE 1:ENABLE)
* PA15 - Open Drain output (LED2 0:ON 1:OFF)
*/
#define VAL_GPIO_LED_ODR 0xFFFFE7FF
#define VAL_GPIO_LED_CRL 0x88888888 /* PA7...PA0 */
#define VAL_GPIO_LED_CRH 0x63611888 /* PA15...PA8 */
#undef GPIO_OTHER_BASE
#define RCC_ENR_IOP_EN (RCC_APB2ENR_IOPAEN | RCC_APB2ENR_AFIOEN)
#define RCC_RSTR_IOP_RST (RCC_APB2RSTR_IOPARST | RCC_APB2RSTR_AFIORST)
#endif
#define AFIO_MAPR_SOMETHING AFIO_MAPR_SWJ_CFG_DISABLE

37
gnuk/chopstx/board/board-stbee.h
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#define BOARD_NAME "STBee"
#define BOARD_ID 0x945c37e8
#define MCU_STM32F1 1
/* High-density device */
#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
#define STM32_PLLMUL_VALUE 6
#define STM32_HSECLK 12000000
#define GPIO_LED_BASE GPIOD_BASE
#define GPIO_LED_CLEAR_TO_EMIT 4
#define GPIO_USB_BASE GPIOD_BASE
#define GPIO_USB_CLEAR_TO_ENABLE 3
#define GPIO_OTHER_BASE GPIOA_BASE
/*
* Port A setup.
* PA0 - Normal input.
* PA11 - Push Pull output 10MHz 0 default (until USB enabled) (USBDM)
* PA12 - Push Pull output 10MHz 0 default (until USB enabled) (USBDP)
*/
#define VAL_GPIO_OTHER_ODR 0xFFFFE7FF
#define VAL_GPIO_OTHER_CRL 0x88888884 /* PA7...PA0 */
#define VAL_GPIO_OTHER_CRH 0x88811888 /* PA15...PA8 */
#define RCC_ENR_IOP_EN (RCC_APB2ENR_IOPAEN|RCC_APB2ENR_IOPDEN)
#define RCC_RSTR_IOP_RST (RCC_APB2RSTR_IOPARST|RCC_APB2RSTR_IOPDRST)
/*
* Port D setup.
* PD3 - Push pull output (USB_DISC 1:USB-DISABLE 0:USB-ENABLE) 2MHz
* PD4 - Open Drain output 2MHz (LED1).
*/
#define VAL_GPIO_LED_ODR 0xFFFFFFFF
#define VAL_GPIO_LED_CRL 0x88862888 /* PD7...PD0 */
#define VAL_GPIO_LED_CRH 0x88888888 /* PD15...PD8 */

59
gnuk/chopstx/board/board-stm32-primer2.h
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#define BOARD_NAME "STM32 Primer2"
#define BOARD_ID 0x21e5798d
#define MCU_STM32F1 1
/* High-density device */
#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
#define STM32_PLLMUL_VALUE 6
#define STM32_HSECLK 12000000
#define GPIO_LED_BASE GPIOE_BASE
#define GPIO_LED_SET_TO_EMIT 0
#define GPIO_USB_BASE GPIOD_BASE
#define GPIO_USB_CLEAR_TO_ENABLE 3
#define GPIO_OTHER_BASE GPIOA_BASE
/*
* Port A setup.
* PA0 - input with pull-up. AN0
* PA1 - input with pull-up. AN1
* PA8 - Input with pull-down (PBUTTON).
* PA11 - Push Pull output 10MHz 0 default (until USB enabled) (USBDM)
* PA12 - Push Pull output 10MHz 0 default (until USB enabled) (USBDP)
* ------------------------ Default
* PAx - input with pull-up
*/
#define VAL_GPIO_OTHER_ODR 0xFFFFE6FF
#define VAL_GPIO_OTHER_CRL 0x88888888 /* PA7...PA0 */
#define VAL_GPIO_OTHER_CRH 0x88811888 /* PA15...PA8 */
/*
* Port D setup.
* PD3 - Push pull output 50MHz (USB 1:ON 0:OFF)
* ------------------------ Default
* PDx - input with pull-up
*/
#define VAL_GPIO_USB_ODR 0xFFFFFFFF
#define VAL_GPIO_USB_CRL 0x88883888 /* PD7...PD0 */
#define VAL_GPIO_USB_CRH 0x88888888 /* PD15...PD8 */
/*
* Port E setup.
* PE0 - Push pull output (LED 1:ON 0:OFF)
* PE1 - Push pull output (LED 1:ON 0:OFF)
* PE3 - Input with pull-down (JOYSTICK L).
* PE4 - Input with pull-down (JOYSTICK R).
* PE5 - Input with pull-down (JOYSTICK U).
* PE6 - Input with pull-down (JOYSTICK D).
* ------------------------ Default
* PEx - input with pull-up
*/
#define VAL_GPIO_LED_ODR 0xFFFFFF87
#define VAL_GPIO_LED_CRL 0x88888833 /* PE7...PE0 */
#define VAL_GPIO_LED_CRH 0x88888888 /* PE15...PE8 */
#define RCC_ENR_IOP_EN \
(RCC_APB2ENR_IOPAEN | RCC_APB2ENR_IOPDEN | RCC_APB2ENR_IOPEEN)
#define RCC_RSTR_IOP_RST \
(RCC_APB2RSTR_IOPARST | RCC_APB2RSTR_IOPDRST | RCC_APB2RSTR_IOPERST)

48
gnuk/chopstx/board/board-stm32f0-discovery.h
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#define BOARD_NAME "STM32F0 Discovery"
#define BOARD_ID 0xde4b4bc1
/*
* Running at 48MHz with HSI as clock source.
*
*/
#define MCU_STM32F0 1
/* __ARM_ARCH_6M__ */
#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
#define STM32_PLLMUL_VALUE 12
#define STM32_HSICLK 8000000
#define GPIO_LED_BASE GPIOC_BASE
#define GPIO_LED_SET_TO_EMIT 8
#define GPIO_OTHER_BASE GPIOA_BASE /* USER BUTTON */
/*
* Port C setup.
* PC9 - LED3 (LED 1:ON 0:OFF)
* PC8 - LED4 (LED 1:ON 0:OFF)
*/
#define VAL_GPIO_LED_MODER 0x00050000 /* Output Pin9 and Pin8 */
#define VAL_GPIO_LED_OTYPER 0x00000000 /* Push-Pull */
#define VAL_GPIO_LED_OSPEEDR 0x000f0000 /* High speed: Pin9 and Pin8 */
#define VAL_GPIO_LED_PUPDR 0x00000000 /* No pull-up/pull-down */
#if 0
#define RCC_ENR_IOP_EN (RCC_AHBENR_IOPAEN | RCC_AHBENR_IOPCEN)
#define RCC_RSTR_IOP_RST (RCC_AHBRSTR_IOPARST | RCC_AHBRSTR_IOPCRST)
#else
#define RCC_ENR_IOP_EN RCC_AHBENR_IOPCEN
#define RCC_RSTR_IOP_RST RCC_AHBRSTR_IOPCRST
#endif
/* ??? NeuG settings for ADC2 is default (PA0: Analog IN0, PA1: Analog IN1). */
/*
* Port A setup.
* PA0 - USER Button
*/
#define VAL_GPIO_OTHER_MODER 0x00000000 /* Input Pin0 */
#define VAL_GPIO_OTHER_OTYPER 0x00000000 /* Push-Pull */
#define VAL_GPIO_OTHER_OSPEEDR 0x00000000
#define VAL_GPIO_OTHER_PUPDR 0x00000000 /* No pull-up/pull-down */

61
gnuk/chopstx/board/board-stm8s-discovery.h
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#define BOARD_NAME "STM8S Discovery"
#define BOARD_ID 0x2f0976bb
#define MCU_STM32F1 1
#define STM32F10X_MD /* Medium-density device */
#define STM32_PLLXTPRE STM32_PLLXTPRE_DIV1
#define STM32_PLLMUL_VALUE 9
#define STM32_HSECLK 8000000
#define GPIO_LED_BASE GPIOA_BASE
#define GPIO_LED_SET_TO_EMIT 8
#undef GPIO_USB_BASE /* No external DISCONNECT/RENUM circuit. */
#define GPIO_OTHER_BASE GPIOB_BASE
/*
* Port A setup.
* PA0 - input with pull-up. AN0
* PA1 - input with pull-up. AN1
* PA8 - Push pull output 10MHz (LED 1:ON 0:OFF)
* PA11 - Push Pull output 10MHz 0 default (until USB enabled) (USBDM)
* PA12 - Push Pull output 10MHz 0 default (until USB enabled) (USBDP)
* ------------------------ Default
* PAx - input with pull-up
*/
#define VAL_GPIO_LED_ODR 0xFFFFE7FF
#define VAL_GPIO_LED_CRL 0x88888888 /* PA7...PA0 */
#define VAL_GPIO_LED_CRH 0x88811881 /* PA15...PA8 */
#define RCC_ENR_IOP_EN \
(RCC_APB2ENR_IOPAEN | RCC_APB2ENR_IOPBEN | RCC_APB2ENR_AFIOEN)
#define RCC_RSTR_IOP_RST \
(RCC_APB2RSTR_IOPARST | RCC_APB2RSTR_IOPBRST | RCC_APB2RSTR_AFIORST)
/*
* Port B setup.
* PB4 - (TIM3_CH1) input with pull-up
* PB5 - (TIM3_CH2) input with pull-up, connected to CIR module
* Everything input with pull-up except:
* PB0 - (TIM3_CH3) input with pull-down
*/
#define VAL_GPIO_OTHER_ODR 0xFFFFFFFE
#define VAL_GPIO_OTHER_CRL 0x88888888 /* PB7...PB0 */
#define VAL_GPIO_OTHER_CRH 0x88888888 /* PB15...PB8 */
#if defined(PINPAD_CIR_SUPPORT)
#define TIMx TIM3
#define INTR_REQ_TIM TIM3_IRQ
#define AFIO_EXTICR_INDEX 1
#define AFIO_EXTICR1_EXTIx_Py AFIO_EXTICR2_EXTI5_PB
#define EXTI_PR EXTI_PR_PR5
#define EXTI_IMR EXTI_IMR_MR5
#define EXTI_FTSR_TR EXTI_FTSR_TR5
#define INTR_REQ_EXTI EXTI9_5_IRQ
#define ENABLE_RCC_APB1
#define RCC_APBnENR_TIMxEN RCC_APB1ENR_TIM3EN
#define RCC_APBnRSTR_TIMxRST RCC_APB1RSTR_TIM3RST
#define AFIO_MAPR_SOMETHING AFIO_MAPR_TIM3_REMAP_PARTIALREMAP
/* Remap (PB4, PB5) -> (TIM3_CH1, TIM3_CH2) */
#endif

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gnuk/chopstx/chopstx-cortex-m.c
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/*
* chopstx-cortex-m.c - Threads and only threads: Arch specific code
* for Cortex-M0/M3
*
* Copyright (C) 2013, 2014, 2015, 2016, 2017, 2018
* Flying Stone Technology
* Author: NIIBE Yutaka <gniibe@fsij.org>
*
* This file is a part of Chopstx, a thread library for embedded.
*
* Chopstx is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Chopstx is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As additional permission under GNU GPL version 3 section 7, you may
* distribute non-source form of the Program without the copy of the
* GNU GPL normally required by section 4, provided you inform the
* receipents of GNU GPL by a written offer.
*
*/
/* Data Memory Barrier. */
static void
chx_dmb (void)
{
asm volatile ("dmb" : : : "memory");
}
/* Saved registers on the stack. */
struct chx_stack_regs {
uint32_t reg[8]; /* r0, r1, r2, r3, r12, lr, pc, xpsr */
};
/*
* Constants for ARM.
*/
#define REG_SP 8
#define REG_R0 0
#define REG_LR 5
#define REG_PC 6
#define REG_XPSR 7
#define INITIAL_XPSR 0x01000000 /* T=1 */
/*
* Exception priority: lower has higher precedence.
*
* Cortex-M3
* =====================================
* Prio 0x30: svc
* ---------------------
* Prio 0x40: thread temporarily inhibiting schedule for critical region
* ...
* Prio 0xb0: systick, external interrupt
* Prio 0xc0: pendsv
* =====================================
*
* Cortex-M0
* =====================================
* Prio 0x00: thread temporarily inhibiting schedule for critical region
* ...
* Prio 0x40: systick, external interrupt
* Prio 0x80: pendsv
* Prio 0x80: svc
* =====================================
*/
#define CPU_EXCEPTION_PRIORITY_CLEAR 0
#if defined(__ARM_ARCH_6M__)
#define CPU_EXCEPTION_PRIORITY_INHIBIT_SCHED 0x00
/* ... */
#define CPU_EXCEPTION_PRIORITY_SYSTICK CPU_EXCEPTION_PRIORITY_INTERRUPT
#define CPU_EXCEPTION_PRIORITY_INTERRUPT 0x40
#define CPU_EXCEPTION_PRIORITY_PENDSV 0x80
#define CPU_EXCEPTION_PRIORITY_SVC 0x80 /* No use in this arch */
#elif defined(__ARM_ARCH_7M__)
#define CPU_EXCEPTION_PRIORITY_SVC 0x30
#define CPU_EXCEPTION_PRIORITY_INHIBIT_SCHED 0x40
/* ... */
#define CPU_EXCEPTION_PRIORITY_SYSTICK CPU_EXCEPTION_PRIORITY_INTERRUPT
#define CPU_EXCEPTION_PRIORITY_INTERRUPT 0xb0
#define CPU_EXCEPTION_PRIORITY_PENDSV 0xc0
#else
#error "no support for this arch"
#endif
/*
* Lower layer architecture specific functions.
*
* system tick and interrupt
*/
/*
* System tick
*/
/* SysTick registers. */
static volatile uint32_t *const SYST_CSR = (uint32_t *)0xE000E010;
static volatile uint32_t *const SYST_RVR = (uint32_t *)0xE000E014;
static volatile uint32_t *const SYST_CVR = (uint32_t *)0xE000E018;
static void
chx_systick_reset (void)
{
*SYST_RVR = 0;
*SYST_CVR = 0;
*SYST_CSR = 7;
}
static void
chx_systick_reload (uint32_t ticks)
{
*SYST_RVR = ticks;
*SYST_CVR = 0; /* write (any) to clear the counter to reload. */
*SYST_RVR = 0;
}
static uint32_t
chx_systick_get (void)
{
return *SYST_CVR;
}
static uint32_t usec_to_ticks (uint32_t usec)
{
return usec * MHZ;
}
/*
* Interrupt Handling
*/
/* NVIC: Nested Vectored Interrupt Controller. */
struct NVIC {
volatile uint32_t ISER[8];
uint32_t unused1[24];
volatile uint32_t ICER[8];
uint32_t unused2[24];
volatile uint32_t ISPR[8];
uint32_t unused3[24];
volatile uint32_t ICPR[8];
uint32_t unused4[24];
volatile uint32_t IABR[8];
uint32_t unused5[56];
volatile uint32_t IPR[60];
};
static struct NVIC *const NVIC = (struct NVIC *)0xE000E100;
#define NVIC_ISER(n) (NVIC->ISER[n >> 5])
#define NVIC_ICER(n) (NVIC->ICER[n >> 5])
#define NVIC_ICPR(n) (NVIC->ICPR[n >> 5])
#define NVIC_IPR(n) (NVIC->IPR[n >> 2])
static void
chx_enable_intr (uint8_t irq_num)
{
NVIC_ISER (irq_num) = 1 << (irq_num & 0x1f);
}
static void
chx_clr_intr (uint8_t irq_num)
{ /* Clear pending interrupt. */
NVIC_ICPR (irq_num) = 1 << (irq_num & 0x1f);
}
static void
chx_disable_intr (uint8_t irq_num)
{
NVIC_ICER (irq_num) = 1 << (irq_num & 0x1f);
}
static void
chx_set_intr_prio (uint8_t n)
{
unsigned int sh = (n & 3) << 3;
NVIC_IPR (n) = (NVIC_IPR(n) & ~(0xFF << sh))
| (CPU_EXCEPTION_PRIORITY_INTERRUPT << sh);
}
static volatile uint32_t *const ICSR = (uint32_t *)0xE000ED04;
/* Priority control. */
static uint32_t *const AIRCR = (uint32_t *)0xE000ED0C;
static uint32_t *const SHPR2 = (uint32_t *)0xE000ED1C;
static uint32_t *const SHPR3 = (uint32_t *)0xE000ED20;
static void
chx_prio_init (void)
{
*AIRCR = 0x05FA0000 | ( 5 << 8); /* PRIGROUP = 5, 2-bit:2-bit. */
*SHPR2 = (CPU_EXCEPTION_PRIORITY_SVC << 24);
*SHPR3 = ((CPU_EXCEPTION_PRIORITY_SYSTICK << 24)
| (CPU_EXCEPTION_PRIORITY_PENDSV << 16));
}
static void
chx_cpu_sched_lock (void)
{
if (running->prio < CHOPSTX_PRIO_INHIBIT_PREEMPTION)
{
#if defined(__ARM_ARCH_6M__)
asm volatile ("cpsid i" : : : "memory");
#else
register uint32_t tmp = CPU_EXCEPTION_PRIORITY_INHIBIT_SCHED;
asm volatile ("msr BASEPRI, %0" : : "r" (tmp) : "memory");
#endif
}
}
static void
chx_cpu_sched_unlock (void)
{
if (running->prio < CHOPSTX_PRIO_INHIBIT_PREEMPTION)
{
#if defined(__ARM_ARCH_6M__)
asm volatile ("cpsie i" : : : "memory");
#else
register uint32_t tmp = CPU_EXCEPTION_PRIORITY_CLEAR;
asm volatile ("msr BASEPRI, %0" : : "r" (tmp) : "memory");
#endif
}
}
void
chx_handle_intr (void)
{
struct chx_pq *p;
register uint32_t irq_num;
asm volatile ("mrs %0, IPSR\n\t"
"sub %0, #16" /* Exception # - 16 = interrupt number. */
: "=r" (irq_num) : /* no input */ : "memory");
chx_disable_intr (irq_num);
chx_spin_lock (&q_intr.lock);
for (p = q_intr.q.next; p != (struct chx_pq *)&q_intr.q; p = p->next)
if (p->v == irq_num)
{ /* should be one at most. */
struct chx_px *px = (struct chx_px *)p;
ll_dequeue (p);
chx_wakeup (p);
chx_request_preemption (px->master->prio);
break;
}
chx_spin_unlock (&q_intr.lock);
}
static void
chx_init_arch (struct chx_thread *tp)
{
memset (&tp->tc, 0, sizeof (tp->tc));
}
static void
chx_request_preemption (uint16_t prio)
{
if (running == NULL || (uint16_t)running->prio < prio)
{
*ICSR = (1 << 28);
asm volatile ("" : : : "memory");
}
}
/*
* chx_sched: switch to another thread.
*
* There are two cases:
* YIELD=0 (SLEEP): Current RUNNING thread is already connected to
* something (mutex, cond, intr, etc.)
* YIELD=1 (YIELD): Current RUNNING thread is active,
* it is needed to be enqueued to READY queue.
*
* For Cortex-M0, this should be AAPCS-compliant function entry, so we
* put "noinline" attribute.
*
* AAPCS: ARM Architecture Procedure Call Standard
*
* Returns:
* >= 1 on wakeup by others, value means ticks remained for sleep.
* 0 on normal wakeup (timer expiration, lock acquirement).
* -1 on cancellation.
*/
static uintptr_t __attribute__ ((naked, noinline))
chx_sched (uint32_t yield)
{
register struct chx_thread *tp asm ("r0");
#if defined(__ARM_ARCH_7M__)
asm volatile (
"svc #0"
: "=r" (tp) : "0" (yield): "memory");
#else
register uint32_t arg_yield asm ("r1");
/* Build stack data as if it were an exception entry. */
/*
* r0: TP scratch
* r1: 0 scratch
* r2: 0 scratch
* r3: 0 scratch
* r12: 0 scratch
* lr as-is
* pc: return address (= .L_CONTEXT_SWITCH_FINISH)
* psr: INITIAL_XPSR scratch
*/
asm ("mov r1, lr\n\t"
"ldr r2, =.L_CONTEXT_SWITCH_FINISH\n\t"
"mov r3, #128\n\t"
"lsl r3, #17\n\t"
"push {r1, r2, r3}\n\t"
"mov r1, #0\n\t"
"mov r2, r1\n\t"
"mov r3, r1\n\t"
"push {r1, r2, r3}\n\t"
"mov r1, r0\n\t"
"ldr r2, =running\n\t"
"ldr r0, [r2]\n\t"
"push {r0, r3}"
: "=r" (tp), "=r" (arg_yield)
: "0" (yield)
: "r2", "r3", "memory");
/* Save registers onto CHX_THREAD struct. */
asm ("add r0, #20\n\t"
"stm r0!, {r4, r5, r6, r7}\n\t"
"mov r2, r8\n\t"
"mov r3, r9\n\t"
"mov r4, r10\n\t"
"mov r5, r11\n\t"
"mov r6, sp\n\t"
"stm r0!, {r2, r3, r4, r5, r6}\n\t"
"sub r0, #56"
: /* no output */
: "r" (tp)
: "r2", "r3", "r4", "r5", "r6", "r7", "memory");
if (arg_yield)
{
if (tp->flag_sched_rr)
chx_timer_dequeue (tp);
chx_ready_enqueue (tp);
}
tp = chx_ready_pop ();
if (tp && tp->flag_sched_rr)
{
chx_spin_lock (&q_timer.lock);
tp = chx_timer_insert (tp, PREEMPTION_USEC);
chx_spin_unlock (&q_timer.lock);
}
asm volatile (/* Now, r0 points to the thread to be switched. */
/* Put it to *running. */
"ldr r1, =running\n\t"
/* Update running. */
"str r0, [r1]\n\t"
"cmp r0, #0\n\t"
"bne 0f\n\t"
/* Spawn an IDLE thread. */
"ldr r1, =__main_stack_end__\n\t"
"mov sp, r1\n\t"
"ldr r0, =chx_idle\n\t" /* PC = idle */
/**/
/* Unmask interrupts. */
"cpsie i\n\t"
"bx r0\n"
/* Normal context switch */
"0:\n\t"
"add r0, #20\n\t"
"ldm r0!, {r4, r5, r6, r7}\n\t"
"ldm r0!, {r1, r2, r3}\n\t"
"mov r8, r1\n\t"
"mov r9, r2\n\t"
"mov r10, r3\n\t"
"ldm r0!, {r1, r2}\n\t"
"mov r11, r1\n\t"
"mov sp, r2\n\t"
"sub r0, #45\n\t"
"ldrb r1, [r0]\n\t" /* ->PRIO field. */
"cmp r1, #247\n\t"
"bhi 1f\n\t" /* Leave interrupt disabled if >= 248 */
/**/
/* Unmask interrupts. */
"cpsie i\n"
/**/
"1:\n\t"
/*
0: r0
4: r1
8: r2
12: r3
16: r12
20: lr
24: pc
28: psr
32: possibly exists for alignment
[28 or 32] <-- pc
*/
"ldr r0, [sp, #28]\n\t"
"lsl r1, r0, #23\n\t"
"bcc 2f\n\t"
/**/
"ldr r2, [sp, #24]\n\t"
"mov r1, #1\n\t"
"orr r2, r1\n\t" /* Ensure Thumb-mode */
"str r2, [sp, #32]\n\t"
"msr APSR_nzcvq, r0\n\t"
/**/
"ldr r0, [sp, #20]\n\t"
"mov lr, r0\n\t"
"ldr r0, [sp, #16]\n\t"
"mov r12, r0\n\t"
"pop {r0, r1, r2, r3}\n\t"
"add sp, #16\n\t"
"pop {pc}\n"
"2:\n\t"
"ldr r2, [sp, #24]\n\t"
"mov r1, #1\n\t"
"orr r2, r1\n\t" /* Ensure Thumb-mode */
"str r2, [sp, #28]\n\t"
"msr APSR_nzcvq, r0\n\t"
/**/
"ldr r0, [sp, #20]\n\t"
"mov lr, r0\n\t"
"ldr r0, [sp, #16]\n\t"
"mov r12, r0\n\t"
"pop {r0, r1, r2, r3}\n\t"
"add sp, #12\n\t"
"pop {pc}\n\t"
".L_CONTEXT_SWITCH_FINISH:"
: "=r" (tp) /* Return value in R0 */
: "0" (tp)
: "memory");
#endif
asm volatile ("bx lr"
: "=r" (tp)
: "0" (tp->v)
: "memory");
return (uintptr_t)tp;
}
extern void cause_link_time_error_unexpected_size_of_struct_chx_thread (void);
static struct chx_thread *
chopstx_create_arch (uintptr_t stack_addr, size_t stack_size,
voidfunc thread_entry, void *arg)
{
struct chx_thread *tp;
void *stack;
struct chx_stack_regs *p;
if (CHOPSTX_THREAD_SIZE != sizeof(struct chx_thread))
cause_link_time_error_unexpected_size_of_struct_chx_thread ();
if (stack_size < sizeof (struct chx_thread) + 8 * sizeof (uint32_t))
chx_fatal (CHOPSTX_ERR_THREAD_CREATE);
stack = (void *)(stack_addr + stack_size - sizeof (struct chx_thread)
- sizeof (struct chx_stack_regs));
memset (stack, 0, sizeof (struct chx_stack_regs));
tp = (struct chx_thread *)(stack + sizeof (struct chx_stack_regs));
p = (struct chx_stack_regs *)stack;
p->reg[REG_R0] = (uint32_t)arg;
p->reg[REG_LR] = (uint32_t)chopstx_exit;
p->reg[REG_PC] = (uint32_t)thread_entry;
p->reg[REG_XPSR] = INITIAL_XPSR;
memset (&tp->tc, 0, sizeof (tp->tc));
tp->tc.reg[REG_SP] = (uint32_t)stack;
return tp;
}
/*
* Lower layer architecture specific exception handling entries.
*
*/
void __attribute__ ((naked))
preempt (void)
{
register struct chx_thread *tp asm ("r0");
register struct chx_thread *cur asm ("r1");
asm volatile (
#if defined(__ARM_ARCH_6M__)
"cpsid i\n\t"
#else
"msr BASEPRI, r0\n\t"
#endif
"ldr r2, =running\n\t"
"ldr r0, [r2]\n\t"
"mov r1, r0"
: "=r" (tp), "=r" (cur)
: "0" (CPU_EXCEPTION_PRIORITY_INHIBIT_SCHED)
: "r2");
if (!cur)
/* It's idle thread. It's ok to clobber registers. */
;
else
{
/* Save registers onto CHX_THREAD struct. */
asm volatile (
"add %0, #20\n\t"
"stm %0!, {r4, r5, r6, r7}\n\t"
"mov r2, r8\n\t"
"mov r3, r9\n\t"
"mov r4, r10\n\t"
"mov r5, r11\n\t"
"mrs r6, PSP\n\t" /* r13(=SP) in user space. */
"stm %0!, {r2, r3, r4, r5, r6}"
: "=r" (cur)
: "0" (cur)
/*
* Memory clobber constraint here is not accurate, but this
* works. R7 keeps its value, but having "r7" here prevents
* use of R7 before this asm statement.
*/
: "r2", "r3", "r4", "r5", "r6", "r7", "memory");
if (tp)
{
if (tp->flag_sched_rr)
{
if (tp->state == THREAD_RUNNING)
{
chx_timer_dequeue (tp);
chx_ready_enqueue (tp);
}
/*
* It may be THREAD_READY after chx_timer_expired.
* Then, do nothing.
*/
}
else
chx_ready_push (tp);
running = NULL;
}
}
/* Registers on stack (PSP): r0, r1, r2, r3, r12, lr, pc, xpsr */
tp = chx_ready_pop ();
if (tp && tp->flag_sched_rr)
{
chx_spin_lock (&q_timer.lock);
tp = chx_timer_insert (tp, PREEMPTION_USEC);
chx_spin_unlock (&q_timer.lock);
}
asm volatile (
".L_CONTEXT_SWITCH:\n\t"
/* Now, r0 points to the thread to be switched. */
/* Put it to *running. */
"ldr r1, =running\n\t"
/* Update running. */
"str r0, [r1]\n\t"
#if defined(__ARM_ARCH_6M__)
"cmp r0, #0\n\t"
"beq 1f\n\t"
#else
"cbz r0, 1f\n\t"
#endif
/**/
"add r0, #20\n\t"
"ldm r0!, {r4, r5, r6, r7}\n\t"
#if defined(__ARM_ARCH_6M__)
"ldm r0!, {r1, r2, r3}\n\t"
"mov r8, r1\n\t"
"mov r9, r2\n\t"
"mov r10, r3\n\t"
"ldm r0!, {r1, r2}\n\t"
"mov r11, r1\n\t"
"msr PSP, r2\n\t"
#else
"ldr r8, [r0], #4\n\t"
"ldr r9, [r0], #4\n\t"
"ldr r10, [r0], #4\n\t"
"ldr r11, [r0], #4\n\t"
"ldr r1, [r0], #4\n\t"
"msr PSP, r1\n\t"
#endif
"sub r0, #45\n\t"
"ldrb r1, [r0]\n\t" /* ->PRIO field. */
"mov r0, #0\n\t"
"cmp r1, #247\n\t"
"bhi 0f\n\t" /* Leave interrupt disabled if >= 248 */
/**/
/* Unmask interrupts. */
#if defined(__ARM_ARCH_6M__)
"cpsie i\n"
#else
"msr BASEPRI, r0\n"
#endif
/**/
"0:\n\t"
"sub r0, #3\n\t" /* EXC_RETURN to a thread with PSP */
"bx r0\n"
"1:\n\t"
/* Spawn an IDLE thread. */
"ldr r0, =__main_stack_end__-32\n\t"
"msr PSP, r0\n\t"
"mov r1, #0\n\t"
"mov r2, #0\n\t"
"mov r3, #0\n\t"
"stm r0!, {r1, r2, r3}\n\t"
"stm r0!, {r1, r2, r3}\n\t"
"ldr r1, =chx_idle\n\t" /* PC = idle */
"mov r2, #0x010\n\t"
"lsl r2, r2, #20\n\t" /* xPSR = T-flag set (Thumb) */
"stm r0!, {r1, r2}\n\t"
/**/
/* Unmask interrupts. */
"mov r0, #0\n\t"
#if defined(__ARM_ARCH_6M__)
"cpsie i\n\t"
#else
"msr BASEPRI, r0\n"
#endif
/**/
"sub r0, #3\n\t" /* EXC_RETURN to a thread with PSP */
"bx r0"
: /* no output */ : "r" (tp) : "memory");
}
#if defined(__ARM_ARCH_7M__)
/*
* System call: switch to another thread.
* There are two cases:
* ORIG_R0=0 (SLEEP): Current RUNNING thread is already connected to
* something (mutex, cond, intr, etc.)
* ORIG_R0=1 (YIELD): Current RUNNING thread is active,
* it is needed to be enqueued to READY queue.
*/
void __attribute__ ((naked))
svc (void)
{
register struct chx_thread *tp asm ("r0");
register uint32_t orig_r0 asm ("r1");
asm ("ldr r1, =running\n\t"
"ldr r0, [r1]\n\t"
"add r1, r0, #20\n\t"
/* Save registers onto CHX_THREAD struct. */
"stm r1!, {r4, r5, r6, r7}\n\t"
"mov r2, r8\n\t"
"mov r3, r9\n\t"
"mov r4, r10\n\t"
"mov r5, r11\n\t"
"mrs r6, PSP\n\t" /* r13(=SP) in user space. */
"stm r1!, {r2, r3, r4, r5, r6}\n\t"
"ldr r1, [r6]\n\t"
"str r0, [r6]"
: "=r" (tp), "=r" (orig_r0)
: /* no input */
: "r2", "r3", "r4", "r5", "r6", "memory");
if (orig_r0) /* yield */
{
if (tp->flag_sched_rr)
chx_timer_dequeue (tp);
chx_ready_enqueue (tp);
running = NULL;
}
tp = chx_ready_pop ();
if (tp && tp->flag_sched_rr)
{
chx_spin_lock (&q_timer.lock);
chx_timer_insert (tp, PREEMPTION_USEC);
chx_spin_unlock (&q_timer.lock);
}
asm volatile (
"b .L_CONTEXT_SWITCH"
: /* no output */ : "r" (tp) : "memory");
}
#endif

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gnuk/chopstx/chopstx-cortex-m.h
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/*
* The thread context: specific to ARM Cortex-M0/M3.
*
* In this structure, it's only partial information; Other part of the
* context is on the stack.
*
*/
struct tcontext {
uint32_t reg[9]; /* r4, r5, r6, r7, r8, r9, r10, r11, r13(sp) */
};
typedef struct tcontext tcontext_t;

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gnuk/chopstx/chopstx-gnu-linux.c
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@ -1,351 +0,0 @@
/*
* chopstx-gnu-linux.c - Threads and only threads: Arch specific code
* for GNU/Linux emulation
*
* Copyright (C) 2017, 2018 Flying Stone Technology
* Author: NIIBE Yutaka <gniibe@fsij.org>
*
* This file is a part of Chopstx, a thread library for embedded.
*
* Chopstx is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Chopstx is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As additional permission under GNU GPL version 3 section 7, you may
* distribute non-source form of the Program without the copy of the
* GNU GPL normally required by section 4, provided you inform the
* receipents of GNU GPL by a written offer.
*
*/
#include <unistd.h>
#include <ucontext.h>
#include <signal.h>
#include <sys/time.h>
/* Data Memory Barrier. */
static void
chx_dmb (void)
{
}
static sigset_t ss_cur;
static void
chx_systick_reset (void)
{
const struct itimerval it = { {0, 0}, {0, 0} };
setitimer (ITIMER_REAL, &it, 0);
}
static void
chx_systick_reload (uint32_t ticks)
{
struct itimerval it;
it.it_value.tv_sec = 0;
it.it_value.tv_usec = (ticks / MHZ);
it.it_interval.tv_sec = 0;
it.it_interval.tv_usec = 0;
setitimer (ITIMER_REAL, &it, 0);
}
static uint32_t
chx_systick_get (void)
{
struct itimerval it;
getitimer (ITIMER_REAL, &it);
return it.it_value.tv_usec * 72;
}
static uint32_t
usec_to_ticks (uint32_t usec)
{
return usec * MHZ;
}
static void
chx_enable_intr (uint8_t irq_num)
{
sigdelset (&ss_cur, irq_num);
}
static void
chx_clr_intr (uint8_t irq_num)
{ /* Clear pending interrupt. */
(void)irq_num;
}
static void
chx_disable_intr (uint8_t irq_num)
{
sigaddset (&ss_cur, irq_num);
}
static void
chx_set_intr_prio (uint8_t n)
{
(void)n;
}
static void
chx_prio_init (void)
{
}
static void
chx_cpu_sched_lock (void)
{
sigset_t ss;
sigfillset (&ss);
pthread_sigmask (SIG_BLOCK, &ss, &ss_cur);
}
static void
chx_cpu_sched_unlock (void)
{
pthread_sigmask (SIG_SETMASK, &ss_cur, NULL);
}
static void
idle (void)
{
for (;;)
pause ();
}
void
chx_handle_intr (uint32_t irq_num)
{
struct chx_pq *p;
chx_disable_intr (irq_num);
chx_spin_lock (&q_intr.lock);
for (p = q_intr.q.next; p != (struct chx_pq *)&q_intr.q; p = p->next)
if (p->v == irq_num)
{ /* should be one at most. */
struct chx_px *px = (struct chx_px *)p;
ll_dequeue (p);
chx_wakeup (p);
chx_spin_unlock (&q_intr.lock);
chx_request_preemption (px->master->prio);
return;
}
chx_spin_unlock (&q_intr.lock);
}
static ucontext_t idle_tc;
static char idle_stack[4096];
struct chx_thread main_thread;
void
chx_sigmask (ucontext_t *uc)
{
/* Modify oldmask to SS_CUR, so that the signal mask will
* be set to SS_CUR.
*
* In user-level, sigset_t is big, but only the first word
* is used by the kernel.
*/
memcpy (&uc->uc_sigmask, &ss_cur, sizeof (uint64_t));
}
static void
sigalrm_handler (int sig, siginfo_t *siginfo, void *arg)
{
extern void chx_timer_expired (void);
ucontext_t *uc = arg;
(void)sig;
(void)siginfo;
chx_timer_expired ();
chx_sigmask (uc);
}
static void
chx_init_arch (struct chx_thread *tp)
{
struct sigaction sa;
sigemptyset (&ss_cur);
sa.sa_sigaction = sigalrm_handler;
sigfillset (&sa.sa_mask);
sa.sa_flags = SA_SIGINFO|SA_RESTART;
sigaction (SIGALRM, &sa, NULL);
getcontext (&idle_tc);
idle_tc.uc_stack.ss_sp = idle_stack;
idle_tc.uc_stack.ss_size = sizeof (idle_stack);
idle_tc.uc_link = NULL;
makecontext (&idle_tc, idle, 0);
getcontext (&tp->tc);
}
static void
chx_request_preemption (uint16_t prio)
{
struct chx_thread *tp, *tp_prev;
ucontext_t *tcp;
if (running && (uint16_t)running->prio >= prio)
return;
/* Change the context to another thread with higher priority. */
tp = tp_prev = running;
if (tp)
{
if (tp->flag_sched_rr)
{
if (tp->state == THREAD_RUNNING)
{
chx_timer_dequeue (tp);
chx_ready_enqueue (tp);
}
}
else
chx_ready_push (tp);
running = NULL;
}
tp = running = chx_ready_pop ();
if (tp)
{
tcp = &tp->tc;
if (tp->flag_sched_rr)
{
chx_spin_lock (&q_timer.lock);
tp = chx_timer_insert (tp, PREEMPTION_USEC);
chx_spin_unlock (&q_timer.lock);
}
}
else
tcp = &idle_tc;
if (tp_prev)
{
/*
* The swapcontext implementation may reset sigmask in the
* middle of its execution, unfortunately. It is best if
* sigmask restore is done at the end of the routine, but we
* can't assume that.
*
* Thus, there might be a race condition with regards to the
* user context TCP, if signal mask is cleared and signal comes
* in. To avoid this situation, we block signals.
*
* We don't need to fill the mask here. It keeps the condition
* of blocking signals before&after swapcontext call. It is
* done by the signal mask for sigaction, the initial creation
* of the thread, and the condition of chx_sched function which
* mandates holding cpu_sched_lock.
*/
swapcontext (&tp_prev->tc, tcp);
}
else if (tp)
{
setcontext (tcp);
}
}
/*
* chx_sched: switch to another thread.
*
* There are two cases:
* YIELD=0 (SLEEP): Current RUNNING thread is already connected to
* something (mutex, cond, intr, etc.)
* YIELD=1 (YIELD): Current RUNNING thread is active,
* it is needed to be enqueued to READY queue.
*
* Returns:
* 1 on wakeup by others.
* 0 on normal wakeup.
* -1 on cancellation.
*/
static uintptr_t
chx_sched (uint32_t yield)
{
struct chx_thread *tp, *tp_prev;
uintptr_t v;
ucontext_t *tcp;
tp = tp_prev = running;
if (yield)
{
if (tp->flag_sched_rr)
chx_timer_dequeue (tp);
chx_ready_enqueue (tp);
}
running = tp = chx_ready_pop ();
if (tp)
{
v = tp->v;
if (tp->flag_sched_rr)
{
chx_spin_lock (&q_timer.lock);
tp = chx_timer_insert (tp, PREEMPTION_USEC);
chx_spin_unlock (&q_timer.lock);
}
tcp = &tp->tc;
}
else
{
v = 0;
tcp = &idle_tc;
}
swapcontext (&tp_prev->tc, tcp);
chx_cpu_sched_unlock ();
return v;
}
static void __attribute__((__noreturn__))
chx_thread_start (voidfunc thread_entry, void *arg)
{
chx_cpu_sched_unlock ();
thread_entry (arg);
chopstx_exit (0);
}
static struct chx_thread *
chopstx_create_arch (uintptr_t stack_addr, size_t stack_size,
voidfunc thread_entry, void *arg)
{
struct chx_thread *tp;
tp = malloc (sizeof (struct chx_thread));
if (!tp)
chx_fatal (CHOPSTX_ERR_THREAD_CREATE);
/*
* Calling getcontext with sched_lock held, the context is with
* signal blocked. The sigmask will be cleared in chx_thread_start.
*/
chx_cpu_sched_lock ();
getcontext (&tp->tc);
tp->tc.uc_stack.ss_sp = (void *)stack_addr;
tp->tc.uc_stack.ss_size = stack_size;
tp->tc.uc_link = NULL;
makecontext (&tp->tc, (void (*)(void))chx_thread_start,
4, thread_entry, arg);
chx_cpu_sched_unlock ();
return tp;
}

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gnuk/chopstx/chopstx-gnu-linux.h
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#include <ucontext.h>
/*
* The thread context: specific to GNU/Linux.
*
* We use the type ucontext_t, which includes all registers;
* Note that signal mask is also included in ucontext_t.
*
*/
typedef ucontext_t tcontext_t;

1559
gnuk/chopstx/chopstx.c
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167
gnuk/chopstx/chopstx.h
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/*
* chopstx.h - Threads and only threads.
*
* Copyright (C) 2013, 2016, 2017, 2018 Flying Stone Technology
* Author: NIIBE Yutaka <gniibe@fsij.org>
*
* This file is a part of Chopstx, a thread library for embedded.
*
* Chopstx is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Chopstx is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As additional permission under GNU GPL version 3 section 7, you may
* distribute non-source form of the Program without the copy of the
* GNU GPL normally required by section 4, provided you inform the
* receipents of GNU GPL by a written offer.
*
*/
struct chx_qh {
struct chx_pq *next, *prev;
};
typedef uintptr_t chopstx_t;
typedef uint8_t chopstx_prio_t;
extern chopstx_t chopstx_main;
/* NOTE: This signature is different to PTHREAD's one. */
chopstx_t
chopstx_create (uint32_t flags_and_prio,
uintptr_t stack_addr, size_t stack_size,
void *(thread_entry) (void *), void *);
#define CHOPSTX_PRIO_BITS 8
#define CHOPSTX_DETACHED 0x10000
#define CHOPSTX_SCHED_RR 0x20000
#define CHOPSTX_PRIO_INHIBIT_PREEMPTION 248
void chopstx_usec_wait (uint32_t usec);
struct chx_spinlock {
/* nothing for uniprocessor. */
};
typedef struct chx_mtx {
struct chx_qh q;
struct chx_spinlock lock;
struct chx_thread *owner;
struct chx_mtx *list;
} chopstx_mutex_t;
/* NOTE: This signature is different to PTHREAD's one. */
void chopstx_mutex_init (chopstx_mutex_t *mutex);
void chopstx_mutex_lock (chopstx_mutex_t *mutex);
void chopstx_mutex_unlock (chopstx_mutex_t *mutex);
typedef struct chx_cond {
struct chx_qh q;
struct chx_spinlock lock;
} chopstx_cond_t;
/* NOTE: This signature is different to PTHREAD's one. */
void chopstx_cond_init (chopstx_cond_t *cond);
void chopstx_cond_wait (chopstx_cond_t *cond, chopstx_mutex_t *mutex);
void chopstx_cond_signal (chopstx_cond_t *cond);
void chopstx_cond_broadcast (chopstx_cond_t *cond);
/*
* Library provides default implementation as weak reference.
* User can replace it.
*/
void chx_fatal (uint32_t err_code) __attribute__((__noreturn__));
int chopstx_join (chopstx_t, void **);
void chopstx_exit (void *retval) __attribute__((__noreturn__));
enum {
CHOPSTX_ERR_NONE = 0,
CHOPSTX_ERR_THREAD_CREATE,
CHOPSTX_ERR_JOIN,
};
#define CHOPSTX_CANCELED ((void *) -1)
void chopstx_cancel (chopstx_t thd);
void chopstx_testcancel (void);
/* NOTE: This signature is different to PTHREAD's one. */
int chopstx_setcancelstate (int);
typedef struct chx_cleanup {
struct chx_cleanup *next;
void (*routine) (void *);
void *arg;
} chopstx_cleanup_t;
/* NOTE: This signature is different to PTHREAD's one. */
void chopstx_cleanup_push (chopstx_cleanup_t *clp);
void chopstx_cleanup_pop (int execute);
chopstx_prio_t chopstx_setpriority (chopstx_prio_t);
enum {
CHOPSTX_POLL_COND = 0,
CHOPSTX_POLL_INTR,
CHOPSTX_POLL_JOIN,
};
struct chx_poll_head {
uint16_t type;
uint16_t ready;
};
struct chx_poll_cond {
uint16_t type;
uint16_t ready;
/**/
chopstx_cond_t *cond;
chopstx_mutex_t *mutex;
int (*check) (void *);
void *arg;
};
typedef struct chx_poll_cond chopstx_poll_cond_t;
struct chx_poll_join {
uint16_t type;
uint16_t ready;
/**/
chopstx_t thd;
};
typedef struct chx_poll_join chopstx_poll_join_t;
struct chx_intr {
uint16_t type;
uint16_t ready;
/**/
uint8_t irq_num;
};
typedef struct chx_intr chopstx_intr_t;
void chopstx_claim_irq (chopstx_intr_t *intr, uint8_t irq_num);
void chopstx_intr_wait (chopstx_intr_t *intr);
void chopstx_intr_done (chopstx_intr_t *intr);
int chopstx_poll (uint32_t *usec_p, int n,
struct chx_poll_head *const pd_array[]);
int chopstx_conf_idle (int enable_sleep);
#define CHOPSTX_THREAD_SIZE 64

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Width:  |  Height:  |  Size: 11 KiB

115
gnuk/chopstx/contrib/ackbtn-stm32f103.c
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@ -1,115 +0,0 @@
/*
* ackbtn-stm32f103.c - Acknowledge button support for STM32F103
*
* Copyright (C) 2018 g10 Code GmbH
* Author: NIIBE Yutaka <gniibe@fsij.org>
*
* This file is a part of Chopstx, a thread library for embedded.
*
* Chopstx is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Chopstx is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As additional permission under GNU GPL version 3 section 7, you may
* distribute non-source form of the Program without the copy of the
* GNU GPL normally required by section 4, provided you inform the
* receipents of GNU GPL by a written offer.
*
*/
#include <stdint.h>
#include <string.h>
#include <chopstx.h>
#include <mcu/stm32f103.h>
#include "board.h"
#include "sys.h"
/*
* All EXTI registers (EXTI_IMR, EXTI_EMR, EXTI_PR , EXTI_RTSR, and
* EXTI_FTSR) have same structure, where each bit of X is used for
* line X, from 0 up to 19.
*
* We use 31-bit of PIN_CONFIG to represent if it's for rising edge or
* falling edge.
*/
static uint32_t pin_config;
#define PINCFG_EDGE 0x80000000
#define PINCFG_EDGE_RISING PINCFG_EDGE
void
ackbtn_init (chopstx_intr_t *intr)
{
uint8_t irq_num;
uint32_t afio_exticr_index;
uint32_t afio_exticr_extiX_pY;
switch (SYS_BOARD_ID)
{
case BOARD_ID_FST_01:
case BOARD_ID_FST_01G:
/* PA2 can be connected to a hall sensor or a switch */
afio_exticr_index = 0;
afio_exticr_extiX_pY = AFIO_EXTICR1_EXTI2_PA;
irq_num = EXTI2_IRQ;
pin_config = 0x0004; /* EXTI_PR_PR2 == EXTI_IMR_MR2 == EXTI_RTSR_TR2 */
pin_config |= PINCFG_EDGE_RISING;
break;
case BOARD_ID_FST_01SZ:
default:
/* PA3 is connected to a hall sensor DRV5032FA */
afio_exticr_index = 0;
afio_exticr_extiX_pY = AFIO_EXTICR1_EXTI3_PA;
irq_num = EXTI3_IRQ;
pin_config = 0x0008; /* EXTI_PR_PR3 == EXTI_IMR_MR3 == EXTI_RTSR_TR3 */
pin_config |= PINCFG_EDGE_RISING;
break;
}
/* Configure EXTI line */
if (afio_exticr_extiX_pY)
AFIO->EXTICR[afio_exticr_index] |= afio_exticr_extiX_pY;
/* Interrupt is masked, now */
EXTI->IMR &= ~(pin_config & ~PINCFG_EDGE);
chopstx_claim_irq (intr, irq_num);
}
void
ackbtn_enable (void)
{
/* Clear pending interrupt */
EXTI->PR |= (pin_config & ~PINCFG_EDGE);
/* Enable interrupt, clearing the mask */
EXTI->IMR |= (pin_config & ~PINCFG_EDGE);
/* Configure which edge is detected */
if ((pin_config & PINCFG_EDGE))
EXTI->RTSR |= (pin_config & ~PINCFG_EDGE);
else
EXTI->FTSR |= (pin_config & ~PINCFG_EDGE);
}
void
ackbtn_disable (void)
{
/* Disable interrupt having the mask */
EXTI->IMR &= ~(pin_config & ~PINCFG_EDGE);
/* Clear pending interrupt */
EXTI->PR |= (pin_config & ~PINCFG_EDGE);
/* Disable edge detection */
EXTI->RTSR &= ~(pin_config & ~PINCFG_EDGE);
EXTI->FTSR &= ~(pin_config & ~PINCFG_EDGE);
}

3
gnuk/chopstx/contrib/ackbtn.h
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@ -1,3 +0,0 @@
void ackbtn_init (chopstx_intr_t *intr);
void ackbtn_enable (void);
void ackbtn_disable (void);

77
gnuk/chopstx/contrib/adc-gnu-linux.c
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@ -1,77 +0,0 @@
/*
* adc-gnu-linux.c - ADC driver for GNU/Linux emulation.
* This ADC driver just fills pseudo random values.
* It's completely useless other than for NeuG.
*
* Copyright (C) 2017 Free Software Initiative of Japan
* Author: NIIBE Yutaka <gniibe@fsij.org>
*
* This file is a part of Chopstx, a thread library for embedded.
*
* Chopstx is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Chopstx is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As additional permission under GNU GPL version 3 section 7, you may
* distribute non-source form of the Program without the copy of the
* GNU GPL normally required by section 4, provided you inform the
* receipents of GNU GPL by a written offer.
*
*/
#include <stdint.h>
#include <stdlib.h>
#include <chopstx.h>
#include "adc.h"
#define ADC_RANDOM_SEED 0x01034649 /* "Hello, father!" in Japanese */
/*
* Do calibration for ADC.
*/
int
adc_init (void)
{
srandom (ADC_RANDOM_SEED);
return 0;
}
void
adc_start (void)
{
}
uint32_t adc_buf[64];
void
adc_start_conversion (int offset, int count)
{
while (count--)
adc_buf[offset++] = random ();
}
void
adc_stop (void)
{
}
/*
* Return 0 on success.
* Return 1 on error.
*/
int
adc_wait_completion (void)
{
return 0;
}

322
gnuk/chopstx/contrib/adc-mkl27z.c
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@ -1,322 +0,0 @@
/*
* adc-mkl27z.c - ADC driver for MKL27Z
* In this ADC driver, there are NeuG specific parts.
* It only records lower 8-bit of 16-bit data.
* You need to modify to use this as generic ADC driver.
*
* Copyright (C) 2016 Flying Stone Technology
* Author: NIIBE Yutaka <gniibe@fsij.org>
*
* This file is a part of Chopstx, a thread library for embedded.
*
* Chopstx is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Chopstx is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As additional permission under GNU GPL version 3 section 7, you may
* distribute non-source form of the Program without the copy of the
* GNU GPL normally required by section 4, provided you inform the
* receipents of GNU GPL by a written offer.
*
*/
#include <stdint.h>
#include <stdlib.h>
#include <chopstx.h>
#include <mcu/mkl27z.h>
struct DMAMUX {
volatile uint32_t CHCFG0;
volatile uint32_t CHCFG1;
volatile uint32_t CHCFG2;
volatile uint32_t CHCFG3;
};
static struct DMAMUX *const DMAMUX = (struct DMAMUX *)0x40021000;
#define INTR_REQ_DMA0 0
struct DMA {
volatile uint32_t SAR;
volatile uint32_t DAR;
volatile uint32_t DSR_BCR;
volatile uint32_t DCR;
};
static struct DMA *const DMA0 = (struct DMA *)0x40008100;
static struct DMA *const DMA1 = (struct DMA *)0x40008110;
/* We don't use ADC interrupt. Just for reference. */
#define INTR_REQ_ADC 15
struct ADC {
volatile uint32_t SC1[2];/* Status and Control Registers 1 */
volatile uint32_t CFG1; /* Configuration Register 1 */
volatile uint32_t CFG2; /* Configuration Register 2 */
volatile uint32_t R[2]; /* Data Result Register */
/* Compare Value Registers 1, 2 */
volatile uint32_t CV1;
volatile uint32_t CV2;
volatile uint32_t SC2; /* Status and Control Register 2 */
volatile uint32_t SC3; /* Status and Control Register 3 */
volatile uint32_t OFS; /* Offset Correction Register */
volatile uint32_t PG; /* Plus-Side Gain Register */
volatile uint32_t MG; /* Minus-Side Gain Register */
/* Plus-Side General Calibration Value Registers */
volatile uint32_t CLPD;
volatile uint32_t CLPS;
volatile uint32_t CLP4;
volatile uint32_t CLP3;
volatile uint32_t CLP2;
volatile uint32_t CLP1;
volatile uint32_t CLP0;
uint32_t rsvd0;
/* Minus-Side General Calibration Value Registers */
volatile uint32_t CLMD;
volatile uint32_t CLMS;
volatile uint32_t CLM4;
volatile uint32_t CLM3;
volatile uint32_t CLM2;
volatile uint32_t CLM1;
volatile uint32_t CLM0;
};
static struct ADC *const ADC0 = (struct ADC *)0x4003B000;
/* SC1 */
#define ADC_SC1_DIFF (1 << 5)
#define ADC_SC1_AIEN (1 << 6)
#define ADC_SC1_COCO (1 << 7)
#define ADC_SC1_TEMPSENSOR 26
#define ADC_SC1_BANDGAP 27
#define ADC_SC1_ADCSTOP 31
/* CFG1 */
#define ADC_CLOCK_SOURCE_ASYNCH (3 << 0)
#define ADC_MODE_16BIT (3 << 2)
#define ADC_ADLSMP_SHORT (0 << 4)
#define ADC_ADLSMP_LONG (1 << 4)
#define ADC_ADIV_1 (0 << 5)
#define ADC_ADIV_8 (3 << 5)
#define ADC_ADLPC_NORMAL (0 << 7)
#define ADC_ADLPC_LOWPOWER (1 << 7)
/**/
#define ADC_CLOCK_SOURCE ADC_CLOCK_SOURCE_ASYNCH
#define ADC_MODE ADC_MODE_16BIT
#define ADC_ADLSMP ADC_ADLSMP_SHORT
#define ADC_ADIV ADC_ADIV_1
#define ADC_ADLPC ADC_ADLPC_LOWPOWER
/* CFG2 */
#define ADC_ADLSTS_DEFAULT 0 /* 24 cycles if CFG1.ADLSMP=1, 4 if not. */
#define ADC_ADHSC_NORMAL (0 << 2)
#define ADC_ADHSC_HIGHSPEED (1 << 2)
#define ADC_ADACK_DISABLE (0 << 3)
#define ADC_ADACK_ENABLE (1 << 3)
#define ADC_MUXSEL_A (0 << 4)
#define ADC_MUXSEL_B (1 << 4)
/**/
#define ADC_ADLSTS ADC_ADLSTS_DEFAULT
#define ADC_ADHSC ADC_ADHSC_NORMAL
#define ADC_ADACKEN ADC_ADACK_ENABLE
#define ADC_MUXSEL ADC_MUXSEL_A
/* SC2 */
#define ADC_SC2_REFSEL_DEFAULT 1 /* Internal Voltage Reference??? */
#define ADC_SC2_DMAEN (1 << 2)
#define ADC_SC2_ACREN (1 << 3)
#define ADC_SC2_ACFGT (1 << 4)
#define ADC_SC2_ACFE (1 << 5)
#define ADC_SC2_ADTRG (1 << 6) /* For hardware trigger */
/* SC3 */
#define ADC_SC3_AVGS11 0x03
#define ADC_SC3_AVGE (1 << 2)
#define ADC_SC3_ADCO (1 << 3)
#define ADC_SC3_CALF (1 << 6)
#define ADC_SC3_CAL (1 << 7)
#define ADC_DMA_SLOT_NUM 40
/*
* Buffer to save ADC data.
*/
uint32_t adc_buf[64];
static const uint32_t adc0_sc1_setting = ADC_SC1_TEMPSENSOR;
static chopstx_intr_t adc_intr;
struct adc_internal {
uint32_t buf[64];
uint8_t *p;
int phase : 8;
int count : 8;
};
struct adc_internal adc;
/*
* Initialize ADC module, do calibration.
*
* This is called by MAIN, only once, hopefully before creating any
* other threads (to be accurate).
*
* We configure ADC0 to kick DMA0, configure DMA0 to kick DMA1.
* DMA0 records output of ADC0 to the ADC.BUF.
* DMA1 kicks ADC0 again to get another value.
*
* ADC0 --[finish conversion]--> DMA0 --[Link channel 1]--> DMA1
*/
int
adc_init (void)
{
uint32_t v;
/* Enable ADC0 and DMAMUX clock. */
SIM->SCGC6 |= (1 << 27) | (1 << 1);
/* Enable DMA clock. */
SIM->SCGC7 |= (1 << 8);
/* ADC0 setting for calibration. */
ADC0->CFG1 = ADC_CLOCK_SOURCE | ADC_MODE | ADC_ADLSMP | ADC_ADIV | ADC_ADLPC;
ADC0->CFG2 = ADC_ADLSTS | ADC_ADHSC | ADC_ADACKEN | ADC_MUXSEL;
ADC0->SC2 = ADC_SC2_REFSEL_DEFAULT;
ADC0->SC3 = ADC_SC3_CAL | ADC_SC3_CALF | ADC_SC3_AVGE | ADC_SC3_AVGS11;
/* Wait ADC completion */
while ((ADC0->SC1[0] & ADC_SC1_COCO) == 0)
if ((ADC0->SC3 & ADC_SC3_CALF) != 0)
/* Calibration failure */
return -1;
if ((ADC0->SC3 & ADC_SC3_CALF) != 0)
/* Calibration failure */
return -1;
/* Configure PG by the calibration values. */
v = ADC0->CLP0 + ADC0->CLP1 + ADC0->CLP2 + ADC0->CLP3 + ADC0->CLP4 + ADC0->CLPS;
ADC0->PG = 0x8000 | (v >> 1);
/* Configure MG by the calibration values. */
v = ADC0->CLM0 + ADC0->CLM1 + ADC0->CLM2 + ADC0->CLM3 + ADC0->CLM4 + ADC0->CLMS;
ADC0->MG = 0x8000 | (v >> 1);
ADC0->SC1[0] = ADC_SC1_ADCSTOP;
/* DMAMUX setting. */
DMAMUX->CHCFG0 = (1 << 7) | ADC_DMA_SLOT_NUM;
/* DMA0 initial setting. */
DMA0->SAR = (uint32_t)&ADC0->R[0];
/* DMA1 initial setting. */
DMA1->SAR = (uint32_t)&adc0_sc1_setting;
DMA1->DAR = (uint32_t)&ADC0->SC1[0];
chopstx_claim_irq (&adc_intr, INTR_REQ_DMA0);
return 0;
}
/*
* Start using ADC.
*/
void
adc_start (void)
{
ADC0->CFG1 = ADC_CLOCK_SOURCE | ADC_MODE | ADC_ADLSMP | ADC_ADIV | ADC_ADLPC;
ADC0->CFG2 = ADC_ADLSTS | ADC_ADHSC | ADC_ADACKEN | ADC_MUXSEL;
ADC0->SC2 = ADC_SC2_REFSEL_DEFAULT | ADC_SC2_DMAEN;
ADC0->SC3 = 0;
}
/*
* Kick getting data for COUNT times.
* Data will be saved in ADC_BUF starting at OFFSET.
*/
static void
adc_start_conversion_internal (int count)
{
/* DMA0 setting. */
DMA0->DAR = (uint32_t)&adc.buf[0];
DMA0->DSR_BCR = 4 * count;
DMA0->DCR = (1 << 31) | (1 << 30) | (1 << 29) | (0 << 20) | (1 << 19)
| (0 << 17) | (1 << 7) | (2 << 4) | (1 << 2);
/* Kick DMA1. */
DMA1->DSR_BCR = 4 * count;
DMA1->DCR = (1 << 30) | (1 << 29) | (0 << 19) | (0 << 17) | (1 << 16) | (1 << 7);
}
/*
* Kick getting data for COUNT times.
* Data will be saved in ADC_BUF starting at OFFSET.
*/
void
adc_start_conversion (int offset, int count)
{
adc.p = (uint8_t *)&adc_buf[offset];
adc.phase = 0;
adc.count = count;
adc_start_conversion_internal (count);
}
static void
adc_stop_conversion (void)
{
ADC0->SC1[0] = ADC_SC1_ADCSTOP;
}
/*
* Stop using ADC.
*/
void
adc_stop (void)
{
SIM->SCGC6 &= ~(1 << 27);
}
/*
* Return 0 on success.
* Return 1 on error.
*/
int
adc_wait_completion (void)
{
int i;
while (1)
{
/* Wait DMA completion */
chopstx_intr_wait (&adc_intr);
DMA0->DSR_BCR = (1 << 24);
DMA1->DSR_BCR = (1 << 24);
adc_stop_conversion ();
chopstx_intr_done (&adc_intr);
for (i = 0; i < adc.count; i++)
*adc.p++ = (uint8_t)adc.buf[i];
if (++adc.phase >= 4)
break;
adc_start_conversion_internal (adc.count);
}
return 0;
}

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gnuk/chopstx/contrib/adc-stm32f103.c
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@ -1,347 +0,0 @@
/*
* adc_stm32f103.c - ADC driver for STM32F103
* In this ADC driver, there are NeuG specific parts.
* You need to modify to use this as generic ADC driver.
*
* Copyright (C) 2011, 2012, 2013, 2015, 2016, 2017, 2018
* Free Software Initiative of Japan
* Author: NIIBE Yutaka <gniibe@fsij.org>
*
* This file is a part of Chopstx, a thread library for embedded.
*
* Chopstx is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Chopstx is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As additional permission under GNU GPL version 3 section 7, you may
* distribute non-source form of the Program without the copy of the
* GNU GPL normally required by section 4, provided you inform the
* receipents of GNU GPL by a written offer.
*
*/
#include <stdint.h>
#include <stdlib.h>
#include <chopstx.h>
#include <mcu/stm32f103.h>
#include "adc.h"
#include "board.h"
#include "sys.h"
#define STM32_ADC_ADC1_DMA_PRIORITY 2
#define ADC_SMPR1_SMP_VREF(n) ((n) << 21)
#define ADC_SMPR1_SMP_SENSOR(n) ((n) << 18)
#define ADC_SMPR1_SMP_AN10(n) ((n) << 0)
#define ADC_SMPR1_SMP_AN11(n) ((n) << 3)
#define ADC_SMPR2_SMP_AN0(n) ((n) << 0)
#define ADC_SMPR2_SMP_AN1(n) ((n) << 3)
#define ADC_SMPR2_SMP_AN2(n) ((n) << 6)
#define ADC_SMPR2_SMP_AN8(n) ((n) << 24)
#define ADC_SMPR2_SMP_AN9(n) ((n) << 27)
#define ADC_SQR1_NUM_CH(n) (((n) - 1) << 20)
#define ADC_SQR3_SQ1_N(n) ((n) << 0)
#define ADC_SQR3_SQ2_N(n) ((n) << 5)
#define ADC_SQR3_SQ3_N(n) ((n) << 10)
#define ADC_SQR3_SQ4_N(n) ((n) << 15)
#define ADC_SAMPLE_1P5 0
#define ADC_CHANNEL_IN0 0
#define ADC_CHANNEL_IN1 1
#define ADC_CHANNEL_IN2 2
#define ADC_CHANNEL_IN8 8
#define ADC_CHANNEL_IN9 9
#define ADC_CHANNEL_IN10 10
#define ADC_CHANNEL_IN11 11
#define ADC_CHANNEL_SENSOR 16
#define ADC_CHANNEL_VREFINT 17
#define DELIBARATELY_DO_IT_WRONG_VREF_SAMPLE_TIME
#ifndef MCU_STM32F1_GD32F1
#define DELIBARATELY_DO_IT_WRONG_START_STOP
#endif
#ifdef DELIBARATELY_DO_IT_WRONG_VREF_SAMPLE_TIME
#define ADC_SAMPLE_VREF ADC_SAMPLE_1P5
#define ADC_SAMPLE_SENSOR ADC_SAMPLE_1P5
#else
#define ADC_SAMPLE_VREF ADC_SAMPLE_239P5
#define ADC_SAMPLE_SENSOR ADC_SAMPLE_239P5
#endif
#define NEUG_DMA_CHANNEL STM32_DMA1_STREAM1
#define NEUG_DMA_MODE \
( STM32_DMA_CR_PL (STM32_ADC_ADC1_DMA_PRIORITY) \
| STM32_DMA_CR_MSIZE_WORD | STM32_DMA_CR_PSIZE_WORD \
| STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE \
| STM32_DMA_CR_TEIE )
#define NEUG_ADC_SETTING1_SMPR1 ADC_SMPR1_SMP_VREF(ADC_SAMPLE_VREF) \
| ADC_SMPR1_SMP_SENSOR(ADC_SAMPLE_SENSOR)
#define NEUG_ADC_SETTING1_SMPR2 0
#define NEUG_ADC_SETTING1_SQR3 ADC_SQR3_SQ1_N(ADC_CHANNEL_VREFINT) \
| ADC_SQR3_SQ2_N(ADC_CHANNEL_SENSOR) \
| ADC_SQR3_SQ3_N(ADC_CHANNEL_SENSOR) \
| ADC_SQR3_SQ4_N(ADC_CHANNEL_VREFINT)
#define NEUG_ADC_SETTING1_NUM_CHANNELS 4
/*
* ADC finish interrupt
*/
#define INTR_REQ_DMA1_Channel1 11
static chopstx_intr_t adc_intr;
/*
* Do calibration for both of ADCs.
*/
int
adc_init (void)
{
RCC->APB2ENR |= (RCC_APB2ENR_ADC1EN | RCC_APB2ENR_ADC2EN);
RCC->APB2RSTR = (RCC_APB2RSTR_ADC1RST | RCC_APB2RSTR_ADC2RST);
RCC->APB2RSTR = 0;
ADC1->CR1 = 0;
ADC1->CR2 = ADC_CR2_ADON;
chopstx_usec_wait (1000);
ADC1->CR2 = ADC_CR2_ADON | ADC_CR2_RSTCAL;
while ((ADC1->CR2 & ADC_CR2_RSTCAL) != 0)
;
ADC1->CR2 = ADC_CR2_ADON | ADC_CR2_CAL;
while ((ADC1->CR2 & ADC_CR2_CAL) != 0)
;
ADC1->CR2 = 0;
ADC2->CR1 = 0;
ADC2->CR2 = ADC_CR2_ADON;
chopstx_usec_wait (1000);
ADC2->CR2 = ADC_CR2_ADON | ADC_CR2_RSTCAL;
while ((ADC2->CR2 & ADC_CR2_RSTCAL) != 0)
;
ADC2->CR2 = ADC_CR2_ADON | ADC_CR2_CAL;
while ((ADC2->CR2 & ADC_CR2_CAL) != 0)
;
ADC2->CR2 = 0;
RCC->APB2ENR &= ~(RCC_APB2ENR_ADC1EN | RCC_APB2ENR_ADC2EN);
chopstx_claim_irq (&adc_intr, INTR_REQ_DMA1_Channel1);
return 0;
}
static void
get_adc_config (uint32_t config[4])
{
config[2] = ADC_SQR1_NUM_CH(2);
switch (SYS_BOARD_ID)
{
case BOARD_ID_FST_01G:
case BOARD_ID_FST_01:
config[0] = 0;
config[1] = ADC_SMPR2_SMP_AN0(ADC_SAMPLE_1P5)
| ADC_SMPR2_SMP_AN9(ADC_SAMPLE_1P5);
config[3] = ADC_SQR3_SQ1_N(ADC_CHANNEL_IN0)
| ADC_SQR3_SQ2_N(ADC_CHANNEL_IN9);
break;
case BOARD_ID_OLIMEX_STM32_H103:
case BOARD_ID_STBEE:
config[0] = ADC_SMPR1_SMP_AN10(ADC_SAMPLE_1P5)
| ADC_SMPR1_SMP_AN11(ADC_SAMPLE_1P5);
config[1] = 0;
config[3] = ADC_SQR3_SQ1_N(ADC_CHANNEL_IN10)
| ADC_SQR3_SQ2_N(ADC_CHANNEL_IN11);
break;
case BOARD_ID_STBEE_MINI:
config[0] = 0;
config[1] = ADC_SMPR2_SMP_AN1(ADC_SAMPLE_1P5)
| ADC_SMPR2_SMP_AN2(ADC_SAMPLE_1P5);
config[3] = ADC_SQR3_SQ1_N(ADC_CHANNEL_IN1)
| ADC_SQR3_SQ2_N(ADC_CHANNEL_IN2);
break;
case BOARD_ID_ST_NUCLEO_F103:
config[0] = 0;
config[1] = ADC_SMPR2_SMP_AN8(ADC_SAMPLE_1P5)
| ADC_SMPR2_SMP_AN9(ADC_SAMPLE_1P5);
config[3] = ADC_SQR3_SQ1_N(ADC_CHANNEL_IN8)
| ADC_SQR3_SQ2_N(ADC_CHANNEL_IN9);
break;
case BOARD_ID_CQ_STARM:
case BOARD_ID_FST_01_00:
case BOARD_ID_MAPLE_MINI:
case BOARD_ID_STM32_PRIMER2:
case BOARD_ID_STM8S_DISCOVERY:
case BOARD_ID_ST_DONGLE:
case BOARD_ID_NITROKEY_START:
case BOARD_ID_FST_01SZ:
default:
config[0] = 0;
config[1] = ADC_SMPR2_SMP_AN0(ADC_SAMPLE_1P5)
| ADC_SMPR2_SMP_AN1(ADC_SAMPLE_1P5);
config[3] = ADC_SQR3_SQ1_N(ADC_CHANNEL_IN0)
| ADC_SQR3_SQ2_N(ADC_CHANNEL_IN1);
break;
}
}
void
adc_start (void)
{
uint32_t config[4];
get_adc_config (config);
/* Use DMA channel 1. */
RCC->AHBENR |= RCC_AHBENR_DMA1EN;
DMA1_Channel1->CCR = STM32_DMA_CCR_RESET_VALUE;
DMA1->IFCR = 0xffffffff;
RCC->APB2ENR |= (RCC_APB2ENR_ADC1EN | RCC_APB2ENR_ADC2EN);
ADC1->SMPR1 = NEUG_ADC_SETTING1_SMPR1;
ADC1->SMPR2 = NEUG_ADC_SETTING1_SMPR2;
ADC1->SQR1 = ADC_SQR1_NUM_CH(NEUG_ADC_SETTING1_NUM_CHANNELS);
ADC1->SQR2 = 0;
ADC1->SQR3 = NEUG_ADC_SETTING1_SQR3;
ADC1->CR1 = (ADC_CR1_DUALMOD_2 | ADC_CR1_DUALMOD_1 | ADC_CR1_DUALMOD_0
| ADC_CR1_SCAN);
ADC1->CR2 = (ADC_CR2_TSVREFE | ADC_CR2_EXTTRIG | ADC_CR2_SWSTART
| ADC_CR2_EXTSEL | ADC_CR2_DMA | ADC_CR2_CONT | ADC_CR2_ADON);
chopstx_usec_wait (1000);
ADC2->SMPR1 = config[0];
ADC2->SMPR2 = config[1];
ADC2->SQR1 = config[2];
ADC2->SQR2 = 0;
ADC2->SQR3 = config[3];
ADC2->CR1 = (ADC_CR1_DUALMOD_2 | ADC_CR1_DUALMOD_1 | ADC_CR1_DUALMOD_0
| ADC_CR1_SCAN);
ADC2->CR2 = ADC_CR2_EXTTRIG | ADC_CR2_CONT | ADC_CR2_ADON;
chopstx_usec_wait (1000);
#ifdef DELIBARATELY_DO_IT_WRONG_START_STOP
/*
* We could just let ADC run continuously always and only enable DMA
* to receive stable data from ADC. But our purpose is not to get
* correct data but noise. In fact, we can get more noise when we
* start/stop ADC each time.
*/
ADC2->CR2 = 0;
ADC1->CR2 = 0;
#else
/* Start conversion. */
ADC2->CR2 = ADC_CR2_EXTTRIG | ADC_CR2_CONT | ADC_CR2_ADON;
ADC1->CR2 = (ADC_CR2_TSVREFE | ADC_CR2_EXTTRIG | ADC_CR2_SWSTART
| ADC_CR2_EXTSEL | ADC_CR2_DMA | ADC_CR2_CONT | ADC_CR2_ADON);
#endif
}
uint32_t adc_buf[64];
void
adc_start_conversion (int offset, int count)
{
DMA1_Channel1->CPAR = (uint32_t)&ADC1->DR; /* SetPeripheral */
DMA1_Channel1->CMAR = (uint32_t)&adc_buf[offset]; /* SetMemory0 */
DMA1_Channel1->CNDTR = count; /* Counter */
DMA1_Channel1->CCR = NEUG_DMA_MODE | DMA_CCR1_EN; /* Mode */
#ifdef DELIBARATELY_DO_IT_WRONG_START_STOP
/* Power on */
ADC2->CR2 = ADC_CR2_EXTTRIG | ADC_CR2_CONT | ADC_CR2_ADON;
ADC1->CR2 = (ADC_CR2_TSVREFE | ADC_CR2_EXTTRIG | ADC_CR2_SWSTART
| ADC_CR2_EXTSEL | ADC_CR2_DMA | ADC_CR2_CONT | ADC_CR2_ADON);
/*
* Start conversion. tSTAB is 1uS, but we don't follow the spec, to
* get more noise.
*/
ADC2->CR2 = ADC_CR2_EXTTRIG | ADC_CR2_CONT | ADC_CR2_ADON;
ADC1->CR2 = (ADC_CR2_TSVREFE | ADC_CR2_EXTTRIG | ADC_CR2_SWSTART
| ADC_CR2_EXTSEL | ADC_CR2_DMA | ADC_CR2_CONT | ADC_CR2_ADON);
#endif
}
static void adc_stop_conversion (void)
{
DMA1_Channel1->CCR &= ~DMA_CCR1_EN;
#ifdef DELIBARATELY_DO_IT_WRONG_START_STOP
ADC2->CR2 = 0;
ADC1->CR2 = 0;
#endif
}
void
adc_stop (void)
{
ADC1->CR1 = 0;
ADC1->CR2 = 0;
ADC2->CR1 = 0;
ADC2->CR2 = 0;
RCC->AHBENR &= ~RCC_AHBENR_DMA1EN;
RCC->APB2ENR &= ~(RCC_APB2ENR_ADC1EN | RCC_APB2ENR_ADC2EN);
}
static uint32_t adc_err;
/*
* Return 0 on success.
* Return 1 on error.
*/
int
adc_wait_completion (void)
{
uint32_t flags;
while (1)
{
chopstx_intr_wait (&adc_intr);
flags = DMA1->ISR & STM32_DMA_ISR_MASK; /* Channel 1 interrupt cause. */
/*
* Clear interrupt cause of channel 1.
*
* Note that CGIFx=0, as CGIFx=1 clears all of GIF, HTIF, TCIF
* and TEIF.
*/
DMA1->IFCR = (flags & ~1);
chopstx_intr_done (&adc_intr);
if ((flags & STM32_DMA_ISR_TEIF) != 0) /* DMA errors */
{
/* Should never happened. If any, it's coding error. */
/* Access an unmapped address space or alignment violation. */
adc_err++;
adc_stop_conversion ();
return 1;
}
else if ((flags & STM32_DMA_ISR_TCIF) != 0) /* Transfer complete */
{
adc_stop_conversion ();
return 0;
}
}
}

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gnuk/chopstx/contrib/usart-stm32f103.c
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/*
* usart-stm32.c - USART driver for STM32F103 (USART2 and USART3)
*
* Copyright (C) 2017, 2019 g10 Code GmbH
* Author: NIIBE Yutaka <gniibe@fsij.org>
*
* This file is a part of Chopstx, a thread library for embedded.
*
* Chopstx is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Chopstx is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As additional permission under GNU GPL version 3 section 7, you may
* distribute non-source form of the Program without the copy of the
* GNU GPL normally required by section 4, provided you inform the
* receipents of GNU GPL by a written offer.
*
*/
#include <stdint.h>
#include <stdlib.h>
#include <chopstx.h>
#include <mcu/stm32.h>
#include <contrib/usart.h>
struct USART {
volatile uint32_t SR;
volatile uint32_t DR;
volatile uint32_t BRR;
volatile uint32_t CR1;
volatile uint32_t CR2;
volatile uint32_t CR3;
volatile uint32_t GTPR;
};
#define USART2_BASE (APB1PERIPH_BASE + 0x4400)
#define USART3_BASE (APB1PERIPH_BASE + 0x4800)
static struct USART *const USART2 = (struct USART *)USART2_BASE;
static struct USART *const USART3 = (struct USART *)USART3_BASE;
#define USART_SR_CTS (1 << 9)
#define USART_SR_LBD (1 << 8)
#define USART_SR_TXE (1 << 7)
#define USART_SR_TC (1 << 6)
#define USART_SR_RXNE (1 << 5)
#define USART_SR_IDLE (1 << 4)
#define USART_SR_ORE (1 << 3)
#define USART_SR_NE (1 << 2)
#define USART_SR_FE (1 << 1)
#define USART_SR_PE (1 << 0)
#define USART_CR1_UE (1 << 13)
#define USART_CR1_M (1 << 12)
#define USART_CR1_WAKE (1 << 11)
#define USART_CR1_PCE (1 << 10)
#define USART_CR1_PS (1 << 9)
#define USART_CR1_PEIE (1 << 8)
#define USART_CR1_TXEIE (1 << 7)
#define USART_CR1_TCIE (1 << 6)
#define USART_CR1_RXNEIE (1 << 5)
#define USART_CR1_IDLEIE (1 << 4)
#define USART_CR1_TE (1 << 3)
#define USART_CR1_RE (1 << 2)
#define USART_CR1_RWU (1 << 1)
#define USART_CR1_SBK (1 << 0)
static struct USART *
get_usart_dev (uint8_t dev_no)
{
if (dev_no == 2)
return USART2;
else if (dev_no == 3)
return USART3;
return NULL;
}
/* We assume 36MHz f_PCLK */
struct brr_setting {
uint8_t baud_spec;
uint16_t brr_value;
};
#define NUM_BAUD (int)(sizeof (brr_table) / sizeof (struct brr_setting))
static const struct brr_setting brr_table[] = {
{ B600, (3750 << 4)},
{ B1200, (1875 << 4)},
{ B2400, ( 937 << 4)|8},
{ B9600, ( 234 << 4)|6},
{ B19200, ( 117 << 4)|3},
{ B57600, ( 39 << 4)|1},
{ B115200, ( 19 << 4)|8},
{ B230400, ( 9 << 4)|12},
{ B460800, ( 4 << 4)|14},
{ B921600, ( 2 << 4)|7},
{ BSCARD, ( 232 << 4)|8},
};
static void *usart_main (void *arg);
static struct usart_stat usart2_stat;
static struct usart_stat usart3_stat;
void
usart_config_clken (uint8_t dev_no, int on)
{
struct USART *USARTx = get_usart_dev (dev_no);
if (on)
USARTx->CR2 |= (1 << 11);
else
USARTx->CR2 &= ~(1 << 11);
}
int
usart_config (uint8_t dev_no, uint32_t config_bits)
{
struct USART *USARTx = get_usart_dev (dev_no);
uint8_t baud_spec = (config_bits & MASK_BAUD);
int i;
uint32_t cr1_config = (USART_CR1_UE | USART_CR1_RXNEIE
| USART_CR1_TE | USART_CR1_RE);
/* TXEIE will be enabled when putting char */
/* No CTSIE, PEIE, TCIE, IDLEIE, LBDIE */
if (USARTx == NULL)
return -1;
/* Disable USART before configure. */
USARTx->CR1 &= ~USART_CR1_UE;
if (((config_bits & MASK_CS) == CS7 && (config_bits & PARENB))
|| ((config_bits & MASK_CS) == CS8 && (config_bits & PARENB) == 0))
cr1_config &= ~USART_CR1_M;
else if ((config_bits & MASK_CS) == CS8)
cr1_config |= USART_CR1_M;
else
return -1;
if ((config_bits & PARENB) == 0)
cr1_config &= ~(USART_CR1_PCE | USART_CR1_PEIE);
else
cr1_config |= (USART_CR1_PCE | USART_CR1_PEIE);
if ((config_bits & PARODD) == 0)
cr1_config &= ~USART_CR1_PS;
else
cr1_config |= USART_CR1_PS;
if ((config_bits & MASK_STOP) == STOP0B5)
USARTx->CR2 = (0x1 << 12);
else if ((config_bits & MASK_STOP) == STOP1B)
USARTx->CR2 = (0x0 << 12);
else if ((config_bits & MASK_STOP) == STOP1B5)
USARTx->CR2 = (0x3 << 12);
else /* if ((config_bits & MASK_STOP) == STOP2B) */
USARTx->CR2 = (0x2 << 12);
for (i = 0; i < NUM_BAUD; i++)
if (brr_table[i].baud_spec == baud_spec)
break;
if (i >= NUM_BAUD)
return -1;
USARTx->BRR = brr_table[i].brr_value;
if ((config_bits & MASK_FLOW))
USARTx->CR3 = (1 << 9) | (1 << 8);
else
USARTx->CR3 = 0;
USARTx->CR1 = cr1_config;
/* SCEN (smartcard enable) should be set _after_ CR1. */
if ((config_bits & MASK_MODE))
{
if ((config_bits & MASK_MODE) == MODE_SMARTCARD)
{
USARTx->GTPR = (16 << 8) | 5;
USARTx->CR3 |= ((1 << 5) | (1 << 4));
}
else if ((config_bits & MASK_MODE) == MODE_IRDA)
USARTx->CR3 |= (1 << 1);
else if ((config_bits & MASK_MODE) == MODE_IRDA_LP)
USARTx->CR3 |= (1 << 2) | (1 << 1);
}
return 0;
}
static int (*ss_notify_callback) (uint8_t dev_no, uint16_t notify_bits);
void
usart_init (uint16_t prio, uintptr_t stack_addr, size_t stack_size,
int (*cb) (uint8_t dev_no, uint16_t notify_bits))
{
ss_notify_callback = cb;
usart2_stat.dev_no = 2;
usart3_stat.dev_no = 3;
/* Enable USART2 and USART3 clocks, and strobe reset. */
RCC->APB1ENR |= ((1 << 18) | (1 << 17));
RCC->APB1RSTR = ((1 << 18) | (1 << 17));
RCC->APB1RSTR = 0;
chopstx_create (prio, stack_addr, stack_size, usart_main, NULL);
}
/*
* Ring buffer
*/
#define MAX_RB_BUF 1024
struct rb {
uint8_t *buf;
chopstx_mutex_t m;
chopstx_cond_t data_available;
chopstx_cond_t space_available;
uint32_t head :10;
uint32_t tail :10;
uint32_t size :10;
uint32_t full : 1;
uint32_t empty : 1;
};
/*
* Note: size = 1024 can still work, regardless of the limit of 10-bit.
*/
static void
rb_init (struct rb *rb, uint8_t *p, uint16_t size)
{
rb->buf = p;
rb->size = size;
chopstx_mutex_init (&rb->m);
chopstx_cond_init (&rb->data_available);
chopstx_cond_init (&rb->space_available);
rb->head = rb->tail = 0;
rb->full = 0;
rb->empty = 1;
}
static void
rb_add (struct rb *rb, uint8_t v)
{
rb->buf[rb->tail++] = v;
if (rb->tail == rb->size)
rb->tail = 0;
if (rb->tail == rb->head)
rb->full = 1;
rb->empty = 0;
}
static uint8_t
rb_del (struct rb *rb)
{
uint32_t v = rb->buf[rb->head++];
if (rb->head == rb->size)
rb->head = 0;
if (rb->head == rb->tail)
rb->empty = 1;
rb->full = 0;
return v;
}
/*
* Application: consumer
* Hardware: generator
*/
static int
rb_ll_put (struct rb *rb, uint8_t v)
{
int r;
chopstx_mutex_lock (&rb->m);
if (rb->full)
r = -1;
else
{
r = 0;
rb_add (rb, v);
chopstx_cond_signal (&rb->data_available);
}
chopstx_mutex_unlock (&rb->m);
return r;
}
/*
* Application: generator
* Hardware: consumer
*/
static int
rb_ll_get (struct rb *rb)
{
int r;
chopstx_mutex_lock (&rb->m);
if (rb->empty)
r = -1;
else
{
r = rb_del (rb);
chopstx_cond_signal (&rb->space_available);
}
chopstx_mutex_unlock (&rb->m);
return r;
}
static void
rb_ll_flush (struct rb *rb)
{
chopstx_mutex_lock (&rb->m);
while (!rb->empty)
rb_del (rb);
chopstx_cond_signal (&rb->space_available);
chopstx_mutex_unlock (&rb->m);
}
/*
* Application: consumer
* Hardware: generator
*/
static int
rb_read (struct rb *rb, uint8_t *buf, uint16_t buflen)
{
int i = 0;
chopstx_mutex_lock (&rb->m);
while (rb->empty)
chopstx_cond_wait (&rb->data_available, &rb->m);
while (i < buflen)
{
buf[i++] = rb_del (rb);
if (rb->empty)
break;
}
chopstx_cond_signal (&rb->space_available);
chopstx_mutex_unlock (&rb->m);
return i;
}
/*
* Application: generator
* Hardware: consumer
*/
static void
rb_write (struct rb *rb, uint8_t *buf, uint16_t buflen)
{
int i = 0;
chopstx_mutex_lock (&rb->m);
do
{
while (rb->full)
chopstx_cond_wait (&rb->space_available, &rb->m);
while (i < buflen)
{
rb_add (rb, buf[i++]);
if (rb->full)
{
chopstx_cond_signal (&rb->data_available);
break;
}
}
}
while (i < buflen);
if (i)
chopstx_cond_signal (&rb->data_available);
chopstx_mutex_unlock (&rb->m);
}
static int
rb_empty_check (void *arg)
{
struct rb *rb = arg;
return rb->empty == 0;
}
static void
rb_get_prepare_poll (struct rb *rb, chopstx_poll_cond_t *poll_desc)
{
poll_desc->type = CHOPSTX_POLL_COND;
poll_desc->ready = 0;
poll_desc->cond = &rb->data_available;
poll_desc->mutex = &rb->m;
poll_desc->check = rb_empty_check;
poll_desc->arg = rb;
}
#define INTR_REQ_USART2 38
#define INTR_REQ_USART3 39
static uint8_t buf_usart2_rb_a2h[256];
static uint8_t buf_usart2_rb_h2a[512];
static uint8_t buf_usart3_rb_a2h[256];
static uint8_t buf_usart3_rb_h2a[512];
static struct chx_intr usart2_intr;
static struct chx_intr usart3_intr;
static struct rb usart2_rb_a2h;
static struct rb usart2_rb_h2a;
static struct rb usart3_rb_a2h;
static struct rb usart3_rb_h2a;
static chopstx_poll_cond_t usart2_app_write_event;
static chopstx_poll_cond_t usart3_app_write_event;
static struct chx_poll_head *usart_poll[4];
/* Global variables so that it can be easier to debug. */
static int usart2_tx_ready;
static int usart3_tx_ready;
#define UART_STATE_BITMAP_RX_CARRIER (1 << 0)
#define UART_STATE_BITMAP_TX_CARRIER (1 << 1)
#define UART_STATE_BITMAP_BREAK (1 << 2)
#define UART_STATE_BITMAP_RINGSIGNAL (1 << 3)
#define UART_STATE_BITMAP_FRAMING (1 << 4)
#define UART_STATE_BITMAP_PARITY (1 << 5)
#define UART_STATE_BITMAP_OVERRUN (1 << 6)
static int
handle_intr (struct USART *USARTx, struct rb *rb2a, struct usart_stat *stat)
{
int tx_ready = 0;
uint32_t r = USARTx->SR;
int notify_bits = 0;
if ((r & USART_SR_TXE))
{
tx_ready = 1;
USARTx->CR1 &= ~USART_CR1_TXEIE;
}
if ((r & USART_SR_RXNE))
{
uint32_t data = USARTx->DR;
/* DR register should be accessed even if data is not used.
* Its read-access has side effect of clearing error flags.
*/
asm volatile ("" : : "r" (data) : "memory");
if ((r & USART_SR_NE))
stat->err_rx_noise++;
else if ((r & USART_SR_FE))
{
/* NOTE: Noway to distinguish framing error and break */
stat->rx_break++;
notify_bits |= UART_STATE_BITMAP_BREAK;
}
else if ((r & USART_SR_PE))
{
stat->err_rx_parity++;
notify_bits |= UART_STATE_BITMAP_PARITY;
}
else
{
if ((r & USART_SR_ORE))
{
stat->err_rx_overrun++;
notify_bits |= UART_STATE_BITMAP_OVERRUN;
}
/* XXX: if CS is 7-bit, mask it, or else parity bit in upper layer */
if (rb_ll_put (rb2a, (data & 0xff)) < 0)
stat->err_rx_overflow++;
else
stat->rx++;
}
}
else if ((r & USART_SR_ORE))
{ /* Clear ORE */
uint32_t data = USARTx->DR;
asm volatile ("" : : "r" (data) : "memory");
stat->err_rx_overrun++;
notify_bits |= UART_STATE_BITMAP_OVERRUN;
}
if (notify_bits)
{
if ((*ss_notify_callback) (stat->dev_no, notify_bits))
stat->err_notify_overflow++;
}
return tx_ready;
}
static int
handle_tx_ready (struct USART *USARTx, struct rb *rb2h,
struct usart_stat *stat)
{
int tx_ready = 1;
int c = rb_ll_get (rb2h);
if (c >= 0)
{
uint32_t r;
USARTx->DR = (c & 0xff);
stat->tx++;
r = USARTx->SR;
if ((r & USART_SR_TXE) == 0)
{
tx_ready = 0;
USARTx->CR1 |= USART_CR1_TXEIE;
}
}
return tx_ready;
}
static void *
usart_main (void *arg)
{
(void)arg;
usart2_tx_ready = 1;
usart3_tx_ready = 1;
chopstx_claim_irq (&usart2_intr, INTR_REQ_USART2);
chopstx_claim_irq (&usart3_intr, INTR_REQ_USART3);
rb_init (&usart2_rb_a2h, buf_usart2_rb_a2h, sizeof buf_usart2_rb_a2h);
rb_init (&usart2_rb_h2a, buf_usart2_rb_h2a, sizeof buf_usart2_rb_h2a);
rb_init (&usart3_rb_a2h, buf_usart3_rb_a2h, sizeof buf_usart3_rb_a2h);
rb_init (&usart3_rb_h2a, buf_usart3_rb_h2a, sizeof buf_usart3_rb_h2a);
rb_get_prepare_poll (&usart2_rb_a2h, &usart2_app_write_event);
rb_get_prepare_poll (&usart3_rb_a2h, &usart3_app_write_event);
while (1)
{
int n = 0;
usart_poll[n++] = (struct chx_poll_head *)&usart2_intr;
usart_poll[n++] = (struct chx_poll_head *)&usart3_intr;
if (usart2_tx_ready)
usart_poll[n++] = (struct chx_poll_head *)&usart2_app_write_event;
else
usart2_app_write_event.ready = 0;
if (usart3_tx_ready)
usart_poll[n++] = (struct chx_poll_head *)&usart3_app_write_event;
else
usart3_app_write_event.ready = 0;
chopstx_poll (NULL, n, usart_poll);
if (usart2_intr.ready)
{
usart2_tx_ready = handle_intr (USART2, &usart2_rb_h2a, &usart2_stat);
chopstx_intr_done (&usart2_intr);
}
if (usart3_intr.ready)
{
usart3_tx_ready = handle_intr (USART3, &usart3_rb_h2a, &usart3_stat);
chopstx_intr_done (&usart3_intr);
}
if (usart2_tx_ready && usart2_app_write_event.ready)
usart2_tx_ready = handle_tx_ready (USART2,
&usart2_rb_a2h, &usart2_stat);
if (usart3_tx_ready && usart3_app_write_event.ready)
usart3_tx_ready = handle_tx_ready (USART3,
&usart3_rb_a2h, &usart3_stat);
}
return NULL;
}
int
usart_read (uint8_t dev_no, char *buf, uint16_t buflen)
{
struct rb *rb;
if (dev_no == 2)
rb = &usart2_rb_h2a;
else if (dev_no == 3)
rb = &usart3_rb_h2a;
else
return -1;
if (buf == NULL && buflen == 0)
{
rb_ll_flush (rb);
return 0;
}
else
return rb_read (rb, (uint8_t *)buf, buflen);
}
int
usart_write (uint8_t dev_no, char *buf, uint16_t buflen)
{
struct rb *rb;
if (dev_no == 2)
rb = &usart2_rb_a2h;
else if (dev_no == 3)
rb = &usart3_rb_a2h;
else
return -1;
if (buf == NULL && buflen == 0)
rb_ll_flush (rb);
else
rb_write (rb, (uint8_t *)buf, buflen);
return 0;
}
const struct usart_stat *
usart_stat (uint8_t dev_no)
{
if (dev_no == 2)
return &usart2_stat;
else if (dev_no == 3)
return &usart3_stat;
else
return NULL;
}
int
usart_send_break (uint8_t dev_no)
{
struct USART *USARTx = get_usart_dev (dev_no);
if (USARTx == NULL)
return -1;
if ((USARTx->CR1 & 0x01))
return 1; /* Busy sending break, which was requested before. */
USARTx->CR1 |= 0x01;
return 0;
}

75
gnuk/chopstx/contrib/usart.h
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@ -1,75 +0,0 @@
#define B0 0 /* POSIX to hang up */
/* POSIX supports B75 to B300 */
#define B600 16
#define B1200 17
#define B2400 19
#define B9600 21
#define B19200 22
#define B57600 24
#define B115200 25
#define B230400 26
#define B460800 27
#define B921600 28
#define BSCARD 63
#define MASK_BAUD 0x3f
/* POSIX supports 5, 6. USB suppots 16 */
#define CS7 (2 << 6)
#define CS8 (3 << 6)
#define MASK_CS (0x7 << 6)
#define STOP0B5 (0 << 9) /* USART Hardware only */
#define STOP1B (1 << 9) /* USB, POSIX */
#define STOP1B5 (2 << 9) /* USB */
#define STOP2B (3 << 9) /* USB, POSIX */
#define MASK_STOP (0x3 << 9)
#define PARENB (1 << 11)
#define PARODD (2 << 11)
#define MASK_PAR (0x7 << 11)
/* USB 0: none, 1: odd, 2: even, 3: mark, 4: space */
#define CRTSCTS (1 << 14)
#define MASK_FLOW (0x1 << 14)
/*
BAUD_BITS 6
CS_BITS 3
STOP_BITS 2
PAR_BITS 3
*/
/* USB: SET_CONTROL_LINE_STATE
DTR RTS */
/* USB: SERIAL_STATE
DSR DCD RI */
/* non-POSIX, non-USB-CDC configs */
#define MODE_SMARTCARD (1 << 30)
#define MODE_IRDA (2UL << 30)
#define MODE_IRDA_LP (3UL << 30)
#define MASK_MODE (0x3UL << 30)
/* 0: standard, 1: smartcard, 2: IrDA, 3: IrDA-LP */
struct usart_stat {
uint8_t dev_no;
uint32_t tx;
uint32_t rx;
uint32_t rx_break;
uint32_t err_notify_overflow;
uint32_t err_rx_overflow; /* software side */
uint32_t err_rx_overrun; /* hardware side */
uint32_t err_rx_noise;
uint32_t err_rx_parity;
};
void usart_init (uint16_t prio, uintptr_t stack_addr, size_t stack_size,
int (*ss_notify_callback) (uint8_t dev_no, uint16_t notify_bits));
int usart_config (uint8_t dev_no, uint32_t config_bits);
int usart_read (uint8_t dev_no, char *buf, uint16_t buflen);
int usart_write (uint8_t dev_no, char *buf, uint16_t buflen);
const struct usart_stat *usart_stat (uint8_t dev_no);
int usart_send_break (uint8_t dev_no);
void usart_config_clken (uint8_t dev_no, int on);

13
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@ -1,13 +0,0 @@
The GDOC script is taken from:
http://git.savannah.gnu.org/cgit/libidn.git/plain/doc/gdoc
and then modified %highlights_texinfo to use @var for parameters.
The file 'chopstx-api.texi' is generated by:
$ ./gdoc -texinfo ../chopstx.c >chopstx-api.texi
Then, we generate chopstx.info by:
$ makeinfo -o chopstx.info chopstx.texi

231
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@ -1,231 +0,0 @@
@subheading chx_fatal
@anchor{chx_fatal}
@deftypefun {void} {chx_fatal} (uint32_t @var{err_code})
@var{err_code}: Error code
When it detects a coding error, this function will be called to
stop further execution of code. It never returns.
@end deftypefun
@subheading chopstx_create
@anchor{chopstx_create}
@deftypefun {chopstx_t} {chopstx_create} (uint32_t @var{flags_and_prio}, uintptr_t @var{stack_addr}, size_t @var{stack_size}, voidfunc @var{thread_entry}, void * @var{arg})
@var{flags_and_prio}: Flags and priority
@var{stack_addr}: Stack address
@var{stack_size}: Size of stack
@var{thread_entry}: Entry function of new thread
@var{arg}: Argument to the thread entry function
Create a thread. Returns thread ID.
@end deftypefun
@subheading chopstx_usec_wait
@anchor{chopstx_usec_wait}
@deftypefun {void} {chopstx_usec_wait} (uint32_t @var{usec})
@var{usec}: number of micro seconds
Sleep for @var{usec}.
@end deftypefun
@subheading chopstx_mutex_init
@anchor{chopstx_mutex_init}
@deftypefun {void} {chopstx_mutex_init} (chopstx_mutex_t * @var{mutex})
@var{mutex}: Mutex
Initialize @var{mutex}.
@end deftypefun
@subheading chopstx_mutex_lock
@anchor{chopstx_mutex_lock}
@deftypefun {void} {chopstx_mutex_lock} (chopstx_mutex_t * @var{mutex})
@var{mutex}: Mutex
Lock @var{mutex}.
@end deftypefun
@subheading chopstx_mutex_unlock
@anchor{chopstx_mutex_unlock}
@deftypefun {void} {chopstx_mutex_unlock} (chopstx_mutex_t * @var{mutex})
@var{mutex}: Mutex
Unlock @var{mutex}.
@end deftypefun
@subheading chopstx_cond_init
@anchor{chopstx_cond_init}
@deftypefun {void} {chopstx_cond_init} (chopstx_cond_t * @var{cond})
@var{cond}: Condition variable
Initialize @var{cond}.
@end deftypefun
@subheading chopstx_cond_wait
@anchor{chopstx_cond_wait}
@deftypefun {void} {chopstx_cond_wait} (chopstx_cond_t * @var{cond}, chopstx_mutex_t * @var{mutex})
@var{cond}: Condition variable
@var{mutex}: Associated mutex
Wait for @var{cond} with @var{mutex}.
@end deftypefun
@subheading chopstx_cond_signal
@anchor{chopstx_cond_signal}
@deftypefun {void} {chopstx_cond_signal} (chopstx_cond_t * @var{cond})
@var{cond}: Condition variable
Wake up a thread waiting on @var{cond}.
@end deftypefun
@subheading chopstx_cond_broadcast
@anchor{chopstx_cond_broadcast}
@deftypefun {void} {chopstx_cond_broadcast} (chopstx_cond_t * @var{cond})
@var{cond}: Condition Variable
Wake up all threads waiting on @var{cond}.
@end deftypefun
@subheading chopstx_claim_irq
@anchor{chopstx_claim_irq}
@deftypefun {void} {chopstx_claim_irq} (chopstx_intr_t * @var{intr}, uint8_t @var{irq_num})
@var{intr}: Pointer to INTR structure
@var{irq_num}: IRQ Number (hardware specific)
Claim interrupt @var{intr} with @var{irq_num}
@end deftypefun
@subheading chopstx_intr_wait
@anchor{chopstx_intr_wait}
@deftypefun {void} {chopstx_intr_wait} (chopstx_intr_t * @var{intr})
@var{intr}: Pointer to INTR structure
Wait for the interrupt @var{intr} to be occured.
@end deftypefun
@subheading chopstx_intr_done
@anchor{chopstx_intr_done}
@deftypefun {void} {chopstx_intr_done} (chopstx_intr_t * @var{intr})
@var{intr}: Pointer to INTR structure
Finish for the interrupt @var{intr} occurred.
@end deftypefun
@subheading chopstx_cleanup_push
@anchor{chopstx_cleanup_push}
@deftypefun {void} {chopstx_cleanup_push} (struct chx_cleanup * @var{clp})
@var{clp}: Pointer to clean-up structure
Register a clean-up structure.
@end deftypefun
@subheading chopstx_cleanup_pop
@anchor{chopstx_cleanup_pop}
@deftypefun {void} {chopstx_cleanup_pop} (int @var{execute})
@var{execute}: Execute the clen-up function on release
Unregister a clean-up structure. When @var{execute} is non-zero, the
clean-up will be executed.
@end deftypefun
@subheading chopstx_exit
@anchor{chopstx_exit}
@deftypefun {void} {chopstx_exit} (void * @var{retval})
@var{retval}: Return value (to be caught by a joining thread)
Calling this function terminates the execution of running thread,
after calling clean up functions. If the calling thread still
holds mutexes, they will be released. This function never
returns.
@end deftypefun
@subheading chopstx_join
@anchor{chopstx_join}
@deftypefun {int} {chopstx_join} (chopstx_t @var{thd}, void ** @var{ret})
@var{thd}: Thread to wait
@var{ret}: Pointer to void * to store return value
Waits for the thread of @var{thd} to terminate.
Returns 0 on success, 1 when waiting is interrupted.
@end deftypefun
@subheading chopstx_cancel
@anchor{chopstx_cancel}
@deftypefun {void} {chopstx_cancel} (chopstx_t @var{thd})
@var{thd}: Thread to be canceled
This function requests a cancellation of a thread @var{thd}.
No return value.
@end deftypefun
@subheading chopstx_testcancel
@anchor{chopstx_testcancel}
@deftypefun {void} {chopstx_testcancel} ( @var{void})
Calling chopstx_testcancel creates a cancellation point.
No return value. If the thread is canceled, this function
does not return.
@end deftypefun
@subheading chopstx_setcancelstate
@anchor{chopstx_setcancelstate}
@deftypefun {int} {chopstx_setcancelstate} (int @var{cancel_disable})
@var{cancel_disable}: 0 to enable cancelation, otherwise disabled.
Calling chopstx_setcancelstate sets cancelability state.
Returns old state which is 0 when it was enabled.
@end deftypefun
@subheading chopstx_poll
@anchor{chopstx_poll}
@deftypefun {int} {chopstx_poll} (uint32_t * @var{usec_p}, int @var{n}, struct chx_poll_head *const [] @var{pd_array})
@var{usec_p}: Pointer to usec for timeout. Forever if NULL.
@var{n}: Number of poll descriptors
@var{pd_array}: Pointer to an array of poll descriptor pointer which
should be one of:
chopstx_poll_cond_t, chopstx_poll_join_t, or chopstx_intr_t.
Returns number of active descriptors.
@end deftypefun
@subheading chopstx_setpriority
@anchor{chopstx_setpriority}
@deftypefun {chopstx_prio_t} {chopstx_setpriority} (chopstx_prio_t @var{prio_new})
Change the schedule priority with @var{prio}.
Returns the old priority.
In general, it is not recommended to use this function because
dynamically changing schedule priorities complicates the system.
Only a possible valid usage of this function is in the main thread
which starts its execution with priority of CHX_PRIO_MAIN_INIT, and
let it change its priority after initialization of other threads.
@end deftypefun
@subheading chx_sleep_mode
@anchor{chx_sleep_mode}
@deftypefun {extern void} {chx_sleep_mode} (int @var{enable_sleep})
@var{enable_sleep}: Enable sleep on idle or not
If @var{enable_sleep} is > 0, allow sleep for the idle thread.
Behavior of @var{enable_sleep} >= 1 depends on MCU.
For STM32F0, 1 for Sleep (CPU clock OFF only), 2 for Stop (Wakeup
by EXTI, voltage regulator on), 3 for Stop (Wakeup by EXTI, voltage
regulator low-power), 4 for Standby (Wakeup by RESET, voltage
regulator off).
For STM32F103, 1 for normal sleep, and 2 for sleep with lower 8MHz
clock.
Return previous value of @var{enable_sleep}.
@end deftypefun

196
gnuk/chopstx/doc/chopstx.texi
View File

@ -1,196 +0,0 @@
\input texinfo @c -*-texinfo-*-
@c %**start of header
@setfilename chopstx.info
@set VERSION 1.14
@settitle Chopstx Reference Manual
@c Unify some of the indices.
@syncodeindex tp fn
@syncodeindex pg fn
@c %**end of header
@copying
This manual is for Chopstx (version @value{VERSION}).
@noindent
Copyright @copyright{} 2013, 2015, 2016, 2017, 2018 Flying Stone Technology @*
@quotation
Permission is granted to copy, distribute and/or modify this document
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 3 of the License, or (at your
option) any later version. The text of the license can be found in the
section entitled ``Copying''.
@end quotation
@end copying
@c ********************************************
@dircategory Development
@direntry
* chopstx: (chopstx). Chopstx, the thread library for embedded system.
@end direntry
@c
@c Titlepage
@c
@setchapternewpage odd
@titlepage
@title Chopstx Reference Manual
@subtitle Version @value{VERSION}
@author NIIBE Yutaka (@email{gniibe@@fsij.org})
@page
@vskip 0pt plus 1filll
@insertcopying
@end titlepage
@ifnothtml
@summarycontents
@contents
@page
@end ifnothtml
@ifnottex
@node Top
@top Chopstx, The Thread Library
@insertcopying
@end ifnottex
@menu
* Introduction:: What is Chopstx.
* Threads and only Threads:: Threads and only Threads.
* Poll or Pole:: Poll or Pole.
* Note (Use of sleep mode):: Use it carefully.
* Compile-time macro:: Macro to be defined.
* API:: API.
Appendix
* Copying:: The GNU General Public License says how you
can copy and share the program.
Indexes
* Concept Index:: Index of concepts and programs.
* Function and Data Index:: Index of functions, variables and data types.
@end menu
@ifhtml
@page
@summarycontents
@contents
@end ifhtml
@c ********************************************
@node Introduction
@chapter Introduction
Chopstx is an RT thread library for ARM Cortex-M0, Cortex-M0plus,
Cortex-M3 and GNU/Linux emulation. Specifically, it is used for
STM32F030, MKL27Z, STM32F103, GD32F103 and as a command on GNU/Linux.
While most RTOSes come with many features, drivers, and stacks,
Chopstx just offers an RT thread library.
With Chopstx, interrupt handling is also done by a thread. This
enables coherent code for ease of maintenance.
While threads are important, we don't need more threads than
necessary. Chopstx provides a feature of poll, so that we can
minimize use of threads.
@node Threads and only Threads
@chapter Threads and only Threads
Chopstx doesn't use the feature of (prioritized) nested vector
interrupt mechanism at all. All interrupts are equally handled by a
single entry of chx_handle_intr which just wakes up corresponding
thread. This is the feature of Chopstx.
Nested vector interrupt machanism would be useful for interrupt-driven
programming style for specific application targets, or, some other
programing style like the one with spl of Unix. Some engineers
(especially, hardware side) still seem to believe that it is a good
feature to have. But from the view point of programming and
maintenance of software, this is one of the most difficult part with
little benefit, if any.
With traditional interrupt handling, a demarcation of what should be
done by interrupt handler, bottom half, and thead is crucial for
applications' performance. And because the demarcation should be done
at an early stage of an application development, it has a tendency,
many parts are getting demanding higher priority. Amount of code for
higher priority interrupt hander is getting bigger and bigger, while
losing performance.
On the other hand, ``Threads (and only Threads)'' programming style
gives us best flexibility and it can make an application more
predictable, deterministic and easy to maintain.
There are some applications, like square wave generator, which are not
suited to this programming style; Another programming style can
support more performance (frequency). In general, such an example is
best suited by hardware (not software).
@node Poll or Pole
@chapter Poll or Pole
Chopstx provides the @code{chopstx_poll} function to wait on multiple events.
Using @code{chopstx_poll}, we can write an application by event-driven
programming style, with minimum number of threads, avoiding
complicated dependency between threads.
@node Note (Use of sleep mode)
@chapter Note (Use of sleep mode)
Calling the chopstx_conf_idle function (> 0) to allow the idle thread
going to sleep. MCU will be in sleep mode when no threads are
running. By setting relevant bits of system registers, MCU will be
able to be into stop or stand-by mode, which is MCU dependent.
If you use this sleep feature, please consider and implement your
program carefully. Enabling sleep, it may result a bricked board; A
board with no RESET pin cannot be debugged by JTAG/SWD.
@node Compile-time macro
@chapter Compile-time macro
Compiling Chopstx, a macro MHZ should be supplied.
For example, when using the makefile rule of chopstx/rules.mk, please
define the make variable DEFS with -DMHZ=72 before inclusion of the rule file.
@subheading MHZ
@anchor{MHZ}
@defmac {MHZ}
Running CPU clock in MHz. Used for chopstx_usec_wait.
@end defmac
@node API
@chapter API
@include chopstx-api.texi
@c ********************************************
@include gpl.texi
@node Concept Index
@unnumbered Concept Index
@printindex cp
@node Function and Data Index
@unnumbered Function and Data Index
@printindex fn
@bye

912
gnuk/chopstx/doc/gdoc
View File

@ -1,912 +0,0 @@
eval '(exit $?0)' && eval 'exec perl -S "$0" ${1+"$@"}'
& eval 'exec perl -S "$0" $argv:q'
if 0;
# Generate documentation from source code.
## Copyright (c) 2002-2013 Simon Josefsson
## added -texinfo, -listfunc, -pkg-name
## man page revamp
## various improvements
## Copyright (c) 2001, 2002 Nikos Mavrogiannopoulos
## added -tex
## Copyright (c) 1998 Michael Zucchi
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This will read a C source code file and scan for embedded comments
# in the style of gnome comments (+minor extensions - see below).
# usage:
# gdoc [ -docbook | -html | -text | -man | -tex | -texinfo | -listfunc ]
# [ -sourceversion verno ] [ -include file | -includefuncprefix ]
# [ -bugsto address ] [ -pkg-name packagename ]
# [ -seeinfo infonode ] [ -copyright notice ] [ -verbatimcopying ]
# [ -function funcname [ -function funcname ...] ] c file(s)s > outputfile
#
# Set output format using one of -docbook, -html, -text, -man, -tex,
# -texinfo, or -listfunc. Default is man.
#
# -sourceversion
# Version number for source code, e.g. '1.0.4'. Used in 'man' headers.
# Defaults to using current date.
#
# -include FILE
# For man pages, mention #include <FILE.h> in the synopsis.
#
# -includefuncprefix
# For man pages, mention a #include <FILE.h> in the synopsis.
# The FILE derived from the function prefix. For example, a
# function gss_init_sec_context will generate an include
# statement of #include <gss.h>.
#
# -bugsto address
# For man pages, include a section about reporting bugs and mention
# the given e-mail address, e.g 'bug-libidn@gnu.org'.
#
# -pkg-name packagename
# For man pages when -bugsto is used, also include help URLs to the
# the project's home page. For example, "GNU Libidn".
#
# -seeinfo infonode
# For man pages, include a section that point to an info manual
# for more information.
#
# -copyright notice
# For man pages, include a copyright section with the given
# notice after a preamble. Use, e.g., '2002, 2003 Simon Josefsson'.
#
# -verbatimcopying
# For man pages, and when the -copyright parameter is used,
# add a licensing statement that say verbatim copying is permitted.
#
# -function funcname
# If set, then only generate documentation for the given function(s). All
# other functions are ignored.
#
# c files - list of 'c' files to process
#
# All output goes to stdout, with errors to stderr.
#
# format of comments.
# In the following table, (...)? signifies optional structure.
# (...)* signifies 0 or more structure elements
# /**
# * function_name(:)? (- short description)?
# (* @parameterx: (description of parameter x)?)*
# (* a blank line)?
# * (Description:)? (Description of function)?
# * (Section header: (section description)? )*
# (*)?*/
#
# So .. the trivial example would be:
#
# /**
# * my_function
# **/
#
# If the Description: header tag is ommitted, then there must be a blank line
# after the last parameter specification.
# e.g.
# /**
# * my_function - does my stuff
# * @my_arg: its mine damnit
# *
# * Does my stuff explained.
# */
#
# or, could also use:
# /**
# * my_function - does my stuff
# * @my_arg: its mine damnit
# * Description: Does my stuff explained.
# */
# etc.
#
# All descriptions can be multiline, apart from the short function description.
#
# All descriptive text is further processed, scanning for the following special
# patterns, which are highlighted appropriately.
#
# 'funcname()' - function
# '$ENVVAR' - environmental variable OBSOLETE (?)
# '#struct_name' - name of a structure
# '@parameter' - name of a parameter
# '%CONST' - name of a constant.
#
# Extensions for LaTeX:
#
# 1. the symbol '->' will be replaced with a rightarrow
# 2. x^y with ${x}^{y}$.
# 3. xxx\: with xxx:
use POSIX qw(strftime);
# match expressions used to find embedded type information
$type_constant = "\\\%(\\w+)";
$type_func = "(\\w+\\(\\))";
$type_param = "\\\@(\\w+)";
$type_struct = "\\\#(\\w+)";
$type_env = "(\\\$\\w+)";
# Output conversion substitutions.
# One for each output format
# these work fairly well
%highlights_html = ( $type_constant, "<i>\$1</i>",
$type_func, "<b>\$1</b>",
$type_struct, "<i>\$1</i>",
$type_param, "<tt><b>\$1</b></tt>" );
$blankline_html = "<p>";
%highlights_texinfo = ( $type_constant, "\\\@code{\$1}",
$type_func, "\\\@code{\$1}",
$type_struct, "\\\@code{\$1}",
$type_param, "\\\@var{\$1}" );
$blankline_texinfo = "";
%highlights_tex = ( $type_constant, "{\\\\it \$1}",
$type_func, "{\\\\bf \$1}",
$type_struct, "{\\\\it \$1}",
$type_param, "{\\\\bf \$1}" );
$blankline_tex = "\\\\";
# sgml, docbook format
%highlights_sgml = ( $type_constant, "<replaceable class=\"option\">\$1</replaceable>",
$type_func, "<function>\$1</function>",
$type_struct, "<structname>\$1</structname>",
$type_env, "<envar>\$1</envar>",
$type_param, "<parameter>\$1</parameter>" );
$blankline_sgml = "</para><para>\n";
# these are pretty rough
%highlights_man = ( $type_constant, "\\\\fB\$1\\\\fP",
$type_func, "\\\\fB\$1\\\\fP",
$type_struct, "\\\\fB\$1\\\\fP",
$type_param, "\\\\fI\$1\\\\fP" );
$blankline_man = "";
# text-mode
%highlights_text = ( $type_constant, "\$1",
$type_func, "\$1",
$type_struct, "\$1",
$type_param, "\$1" );
$blankline_text = "";
sub usage {
print "Usage: $0 [ -v ] [ -docbook | -html | -text | -man | -tex | -texinfo -listfunc ]\n";
print " [ -sourceversion verno ] [ -include file | -includefuncprefix ]\n";
print " [ -bugsto address ] [ -seeinfo infonode ] [ -copyright notice]\n";
print " [ -verbatimcopying ] [ -pkg-name packagename ]\n";
print " [ -function funcname [ -function funcname ...] ]\n";
print " c source file(s) > outputfile\n";
exit 1;
}
# read arguments
if ($#ARGV==-1) {
usage();
}
$verbose = 0;
$output_mode = "man";
%highlights = %highlights_man;
$blankline = $blankline_man;
$modulename = "API Documentation";
$sourceversion = strftime "%Y-%m-%d", localtime;
$function_only = 0;
while ($ARGV[0] =~ m/^-(.*)/) {
$cmd = shift @ARGV;
if ($cmd eq "-html") {
$output_mode = "html";
%highlights = %highlights_html;
$blankline = $blankline_html;
} elsif ($cmd eq "-man") {
$output_mode = "man";
%highlights = %highlights_man;
$blankline = $blankline_man;
} elsif ($cmd eq "-tex") {
$output_mode = "tex";
%highlights = %highlights_tex;
$blankline = $blankline_tex;
} elsif ($cmd eq "-texinfo") {
$output_mode = "texinfo";
%highlights = %highlights_texinfo;
$blankline = $blankline_texinfo;
} elsif ($cmd eq "-text") {
$output_mode = "text";
%highlights = %highlights_text;
$blankline = $blankline_text;
} elsif ($cmd eq "-docbook") {
$output_mode = "sgml";
%highlights = %highlights_sgml;
$blankline = $blankline_sgml;
} elsif ($cmd eq "-listfunc") {
$output_mode = "listfunc";
} elsif ($cmd eq "-module") { # not needed for sgml, inherits from calling document
$modulename = shift @ARGV;
} elsif ($cmd eq "-sourceversion") {
$sourceversion = shift @ARGV;
} elsif ($cmd eq "-include") {
$include = shift @ARGV;
} elsif ($cmd eq "-includefuncprefix") {
$includefuncprefix = 1;
} elsif ($cmd eq "-bugsto") {
$bugsto = shift @ARGV;
} elsif ($cmd eq "-pkg-name") {
$pkgname = shift @ARGV;
} elsif ($cmd eq "-copyright") {
$copyright = shift @ARGV;
} elsif ($cmd eq "-verbatimcopying") {
$verbatimcopying = 1;
} elsif ($cmd eq "-seeinfo") {
$seeinfo = shift @ARGV;
} elsif ($cmd eq "-function") { # to only output specific functions
$function_only = 1;
$function = shift @ARGV;
$function_table{$function} = 1;
} elsif ($cmd eq "-v") {
$verbose = 1;
} elsif (($cmd eq "-h") || ($cmd eq "--help")) {
usage();
}
}
##
# dumps section contents to arrays/hashes intended for that purpose.
#
sub dump_section {
my $name = shift @_;
my $contents = join "\n", @_;
if ($name =~ m/$type_constant/) {
$name = $1;
# print STDERR "constant section '$1' = '$contents'\n";
$constants{$name} = $contents;
} elsif ($name =~ m/$type_param/) {
# print STDERR "parameter def '$1' = '$contents'\n";
$name = $1;
$parameters{$name} = $contents;
} else {
# print STDERR "other section '$name' = '$contents'\n";
$sections{$name} = $contents;
push @sectionlist, $name;
}
}
##
# output function
#
# parameters, a hash.
# function => "function name"
# parameterlist => @list of parameters
# parameters => %parameter descriptions
# sectionlist => @list of sections
# sections => %descriont descriptions
#
sub repstr {
$pattern = shift;
$repl = shift;
$match1 = shift;
$match2 = shift;
$match3 = shift;
$match4 = shift;
$output = $repl;
$output =~ s,\$1,$match1,g;
$output =~ s,\$2,$match2,g;
$output =~ s,\$3,$match3,g;
$output =~ s,\$4,$match4,g;
eval "\$return = qq/$output/";
# print "pattern $pattern matched 1=$match1 2=$match2 3=$match3 4=$match4 replace $repl yielded $output interpolated $return\n";
$return;
}
sub just_highlight {
my $contents = join "\n", @_;
my $line;
my $ret = "";
foreach $pattern (keys %highlights) {
# print "scanning pattern $pattern ($highlights{$pattern})\n";
$contents =~ s:$pattern:repstr($pattern, $highlights{$pattern}, $1, $2, $3, $4):gse;
}
foreach $line (split "\n", $contents) {
if ($line eq ""){
$ret = $ret . $lineprefix . $blankline;
} else {
$ret = $ret . $lineprefix . $line;
}
$ret = $ret . "\n";
}
return $ret;
}
sub output_highlight {
print (just_highlight (@_));
}
# output in texinfo
sub output_texinfo {
my %args = %{$_[0]};
my ($parameter, $section);
my $count;
print "\@subheading ".$args{'function'}."\n";
print "\@anchor{".$args{'function'}."}\n";
print "\@deftypefun {" . $args{'functiontype'} . "} ";
print "{".$args{'function'}."} ";
print "(";
$count = 0;
foreach $parameter (@{$args{'parameterlist'}}) {
print $args{'parametertypes'}{$parameter}." \@var{".$parameter."}";
if ($count != $#{$args{'parameterlist'}}) {
$count++;
print ", ";
}
}
print ")\n";
foreach $parameter (@{$args{'parameterlist'}}) {
if ($args{'parameters'}{$parameter}) {
print "\@var{".$parameter."}: ";
output_highlight($args{'parameters'}{$parameter});
print "\n";
}
}
foreach $section (@{$args{'sectionlist'}}) {
print "\n\@strong{$section:} " if $section ne $section_default;
$args{'sections'}{$section} =~ s:([{}]):\@\1:gs;
output_highlight($args{'sections'}{$section});
}
print "\@end deftypefun\n\n";
}
# output in html
sub output_html {
my %args = %{$_[0]};
my ($parameter, $section);
my $count;
print "\n\n<a name=\"". $args{'function'} . "\">&nbsp</a><h2>Function</h2>\n";
print "<i>".$args{'functiontype'}."</i>\n";
print "<b>".$args{'function'}."</b>\n";
print "(";
$count = 0;
foreach $parameter (@{$args{'parameterlist'}}) {
print "<i>".$args{'parametertypes'}{$parameter}."</i> <b>".$parameter."</b>\n";
if ($count != $#{$args{'parameterlist'}}) {
$count++;
print ", ";
}
}
print ")\n";
print "<h3>Arguments</h3>\n";
print "<dl>\n";
foreach $parameter (@{$args{'parameterlist'}}) {
print "<dt><i>".$args{'parametertypes'}{$parameter}."</i> <b>".$parameter."</b>\n";
print "<dd>";
output_highlight($args{'parameters'}{$parameter});
}
print "</dl>\n";
foreach $section (@{$args{'sectionlist'}}) {
print "<h3>$section</h3>\n";
print "<ul>\n";
output_highlight($args{'sections'}{$section});
print "</ul>\n";
}
print "<hr>\n";
}
# output in tex
sub output_tex {
my %args = %{$_[0]};
my ($parameter, $section);
my $count;
my $func = $args{'function'};
my $param;
my $param2;
my $sec;
my $check;
my $type;
$func =~ s/_/\\_/g;
print "\n\n\\subsection{". $func . "}\n\\label{" . $args{'function'} . "}\n";
$type = $args{'functiontype'};
$type =~ s/_/\\_/g;
print "{\\it ".$type."}\n";
print "{\\bf ".$func."}\n";
print "(";
$count = 0;
foreach $parameter (@{$args{'parameterlist'}}) {
$param = $args{'parametertypes'}{$parameter};
$param2 = $parameter;
$param =~ s/_/\\_/g;
$param2 =~ s/_/\\_/g;
print "{\\it ".$param."} {\\bf ".$param2."}";
if ($count != $#{$args{'parameterlist'}}) {
$count++;
print ", ";
}
}
print ")\n";
print "\n{\\large{Arguments}}\n";
print "\\begin{itemize}\n";
$check=0;
foreach $parameter (@{$args{'parameterlist'}}) {
$param1 = $args{'parametertypes'}{$parameter};
$param1 =~ s/_/\\_/g;
$param2 = $parameter;
$param2 =~ s/_/\\_/g;
$check = 1;
print "\\item {\\it ".$param1."} {\\bf ".$param2."}: \n";
# print "\n";
$param3 = $args{'parameters'}{$parameter};
$param3 =~ s/#([a-zA-Z\_]+)/{\\it \1}/g;
$out = just_highlight($param3);
$out =~ s/_/\\_/g;
print $out;
}
if ($check==0) {
print "\\item void\n";
}
print "\\end{itemize}\n";
foreach $section (@{$args{'sectionlist'}}) {
$sec = $section;
$sec =~ s/_/\\_/g;
$sec =~ s/#([a-zA-Z\_]+)/{\\it \1}/g;
print "\n{\\large{$sec}}\\\\\n";
print "\\begin{rmfamily}\n";
$sec = $args{'sections'}{$section};
$sec =~ s/\\:/:/g;
$sec =~ s/#([a-zA-Z\_]+)/{\\it \1}/g;
$sec =~ s/->/\$\\rightarrow\$/g;
$sec =~ s/([0-9]+)\^([0-9]+)/\$\{\1\}\^\{\2\}\$/g;
$out = just_highlight($sec);
$out =~ s/_/\\_/g;
print $out;
print "\\end{rmfamily}\n";
}
print "\n";
}
# output in sgml DocBook
sub output_sgml {
my %args = %{$_[0]};
my ($parameter, $section);
my $count;
my $id;
$id = $args{'module'}."-".$args{'function'};
$id =~ s/[^A-Za-z0-9]/-/g;
print "<refentry>\n";
print "<refmeta>\n";
print "<refentrytitle><phrase id=\"$id\">".$args{'function'}."</phrase></refentrytitle>\n";
print "</refmeta>\n";
print "<refnamediv>\n";
print " <refname>".$args{'function'}."</refname>\n";
print " <refpurpose>\n";
print " ".$args{'purpose'}."\n";
print " </refpurpose>\n";
print "</refnamediv>\n";
print "<refsynopsisdiv>\n";
print " <title>Synopsis</title>\n";
print " <funcsynopsis>\n";
print " <funcdef>".$args{'functiontype'}." ";
print "<function>".$args{'function'}." ";
print "</function></funcdef>\n";
# print "<refsect1>\n";
# print " <title>Synopsis</title>\n";
# print " <funcsynopsis>\n";
# print " <funcdef>".$args{'functiontype'}." ";
# print "<function>".$args{'function'}." ";
# print "</function></funcdef>\n";
$count = 0;
if ($#{$args{'parameterlist'}} >= 0) {
foreach $parameter (@{$args{'parameterlist'}}) {
print " <paramdef>".$args{'parametertypes'}{$parameter};
print " <parameter>$parameter</parameter></paramdef>\n";
}
} else {
print " <void>\n";
}
print " </funcsynopsis>\n";
print "</refsynopsisdiv>\n";
# print "</refsect1>\n";
# print parameters
print "<refsect1>\n <title>Arguments</title>\n";
# print "<para>\nArguments\n";
if ($#{$args{'parameterlist'}} >= 0) {
print " <variablelist>\n";
foreach $parameter (@{$args{'parameterlist'}}) {
print " <varlistentry>\n <term><parameter>$parameter</parameter></term>\n";
print " <listitem>\n <para>\n";
$lineprefix=" ";
output_highlight($args{'parameters'}{$parameter});
print " </para>\n </listitem>\n </varlistentry>\n";
}
print " </variablelist>\n";
} else {
print " <para>\n None\n </para>\n";
}
print "</refsect1>\n";
# print out each section
$lineprefix=" ";
foreach $section (@{$args{'sectionlist'}}) {
print "<refsect1>\n <title>$section</title>\n <para>\n";
# print "<para>\n$section\n";
if ($section =~ m/EXAMPLE/i) {
print "<example><para>\n";
}
output_highlight($args{'sections'}{$section});
# print "</para>";
if ($section =~ m/EXAMPLE/i) {
print "</para></example>\n";
}
print " </para>\n</refsect1>\n";
}
print "\n\n";
}
##
# output in man
sub output_man {
my %args = %{$_[0]};
my ($parameter, $section);
my $count;
print ".\\\" DO NOT MODIFY THIS FILE! It was generated by gdoc.\n";
print ".TH \"$args{'function'}\" 3 \"$args{'sourceversion'}\" \"". $args{'module'} . "\" \"". $args{'module'} . "\"\n";
print ".SH NAME\n";
print $args{'function'};
if ($args{'purpose'}) {
print " \\- " . $args{'purpose'} . "\n";
} else {
print " \\- API function\n";
}
print ".SH SYNOPSIS\n";
print ".B #include <". $args{'include'} . ">\n"
if $args{'include'};
print ".B #include <". lc((split /_/, $args{'function'})[0]) . ".h>\n"
if $args{'includefuncprefix'};
print ".sp\n";
print ".BI \"".$args{'functiontype'}." ".$args{'function'}."(";
$count = 0;
foreach $parameter (@{$args{'parameterlist'}}) {
print $args{'parametertypes'}{$parameter}." \" ".$parameter." \"";
if ($count != $#{$args{'parameterlist'}}) {
$count++;
print ", ";
}
}
print ");\"\n";
print ".SH ARGUMENTS\n";
foreach $parameter (@{$args{'parameterlist'}}) {
print ".IP \"".$args{'parametertypes'}{$parameter}." ".$parameter."\" 12\n";
$param = $args{'parameters'}{$parameter};
$param =~ s/-/\\-/g;
output_highlight($param);
}
foreach $section (@{$args{'sectionlist'}}) {
print ".SH \"" . uc($section) . "\"\n";
$sec = $args{'sections'}{$section};
$sec =~ s/-/\\-/g;
output_highlight($sec);
}
if ($args{'bugsto'}) {
print ".SH \"REPORTING BUGS\"\n";
print "Report bugs to <". $args{'bugsto'} . ">.\n";
if ($args{'pkgname'}) {
print $args{'pkgname'} . " home page: " .
"http://www.gnu.org/software/" . $args{'module'} . "/\n";
}
print "General help using GNU software: http://www.gnu.org/gethelp/\n";
}
if ($args{'copyright'}) {
print ".SH COPYRIGHT\n";
print "Copyright \\(co ". $args{'copyright'} . ".\n";
if ($args{'verbatimcopying'}) {
print ".br\n";
print "Copying and distribution of this file, with or without modification,\n";
print "are permitted in any medium without royalty provided the copyright\n";
print "notice and this notice are preserved.\n";
}
}
if ($args{'seeinfo'}) {
print ".SH \"SEE ALSO\"\n";
print "The full documentation for\n";
print ".B " . $args{'module'} . "\n";
print "is maintained as a Texinfo manual. If the\n";
print ".B info\n";
print "and\n";
print ".B " . $args{'module'} . "\n";
print "programs are properly installed at your site, the command\n";
print ".IP\n";
print ".B info " . $args{'seeinfo'} . "\n";
print ".PP\n";
print "should give you access to the complete manual.\n";
}
}
sub output_listfunc {
my %args = %{$_[0]};
print $args{'function'} . "\n";
}
##
# output in text
sub output_text {
my %args = %{$_[0]};
my ($parameter, $section);
print "Function = ".$args{'function'}."\n";
print " return type: ".$args{'functiontype'}."\n\n";
foreach $parameter (@{$args{'parameterlist'}}) {
print " ".$args{'parametertypes'}{$parameter}." ".$parameter."\n";
print " -> ".$args{'parameters'}{$parameter}."\n";
}
foreach $section (@{$args{'sectionlist'}}) {
print " $section:\n";
print " -> ";
output_highlight($args{'sections'}{$section});
}
}
##
# generic output function - calls the right one based
# on current output mode.
sub output_function {
# output_html(@_);
eval "output_".$output_mode."(\@_);";
}
##
# takes a function prototype and spits out all the details
# stored in the global arrays/hsahes.
sub dump_function {
my $prototype = shift @_;
if ($prototype =~ m/^()([a-zA-Z0-9_~:]+)\s*\(([^\)]*)\)/ ||
$prototype =~ m/^(\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\)]*)\)/ ||
$prototype =~ m/^(\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\)]*)\)/ ||
$prototype =~ m/^(\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\)]*)\)/ ||
$prototype =~ m/^(\w+\s+\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\)]*)\)/) {
$return_type = $1;
$function_name = $2;
$args = $3;
# print STDERR "ARGS = '$args'\n";
foreach $arg (split ',', $args) {
# strip leading/trailing spaces
$arg =~ s/^\s*//;
$arg =~ s/\s*$//;
# print STDERR "SCAN ARG: '$arg'\n";
@args = split('\s', $arg);
# print STDERR " -> @args\n";
$param = pop @args;
# print STDERR " -> @args\n";
if ($param =~ m/^(\*+)(.*)/) {
$param = $2;
push @args, $1;
}
if ($param =~ m/^(.*)(\[\])$/) {
$param = $1;
push @args, $2;
}
# print STDERR " :> @args\n";
$type = join " ", @args;
if ($parameters{$param} eq "" && $param != "void") {
$parameters{$param} = "-- undescribed --";
print STDERR "warning: $lineno: Function parameter '$param' not described in '$function_name'\n";
}
push @parameterlist, $param;
$parametertypes{$param} = $type;
# print STDERR "param = '$param', type = '$type'\n";
}
} else {
print STDERR "warning: $lineno: Cannot understand prototype: '$prototype'\n";
return;
}
if ($function_only==0 || defined($function_table{$function_name})) {
output_function({'function' => $function_name,
'module' => $modulename,
'sourceversion' => $sourceversion,
'include' => $include,
'includefuncprefix' => $includefuncprefix,
'bugsto' => $bugsto,
'pkgname' => $pkgname,
'copyright' => $copyright,
'verbatimcopying' => $verbatimcopying,
'seeinfo' => $seeinfo,
'functiontype' => $return_type,
'parameterlist' => \@parameterlist,
'parameters' => \%parameters,
'parametertypes' => \%parametertypes,
'sectionlist' => \@sectionlist,
'sections' => \%sections,
'purpose' => $function_purpose
});
}
}
######################################################################
# main
# states
# 0 - normal code
# 1 - looking for function name
# 2 - scanning field start.
# 3 - scanning prototype.
$state = 0;
$section = "";
$doc_special = "\@\%\$\#";
$doc_start = "^/\\*\\*\$";
$doc_end = "\\*/";
$doc_com = "\\s*\\*\\s*";
$doc_func = $doc_com."(\\w+):?";
$doc_sect = $doc_com."([".$doc_special."[:upper:]][\\w ]+):\\s*(.*)";
$doc_content = $doc_com."(.*)";
%constants = ();
%parameters = ();
@parameterlist = ();
%sections = ();
@sectionlist = ();
$contents = "";
$section_default = "Description"; # default section
$section = $section_default;
$lineno = 0;
foreach $file (@ARGV) {
if (!open(IN,"<$file")) {
print STDERR "Error: Cannot open file $file\n";
next;
}
while (<IN>) {
$lineno++;
if ($state == 0) {
if (/$doc_start/o) {
$state = 1; # next line is always the function name
}
} elsif ($state == 1) { # this line is the function name (always)
if (/$doc_func/o) {
$function = $1;
$state = 2;
if (/-\s*(.*)/) {
$function_purpose = $1;
} else {
$function_purpose = "";
}
if ($verbose) {
print STDERR "Info($lineno): Scanning doc for $function\n";
}
} else {
print STDERR "warning: $lineno: Cannot understand $_ on line $lineno",
" - I thought it was a doc line\n";
$state = 0;
}
} elsif ($state == 2) { # look for head: lines, and include content
if (/$doc_sect/o) {
$newsection = $1;
$newcontents = $2;
if ($contents ne "") {
dump_section($section, $contents);
$section = $section_default;
}
$contents = $newcontents;
if ($contents ne "") {
$contents .= "\n";
}
$section = $newsection;
} elsif (/$doc_end/) {
if ($contents ne "") {
dump_section($section, $contents);
$section = $section_default;
$contents = "";
}
# print STDERR "end of doc comment, looking for prototype\n";
$prototype = "";
$state = 3;
} elsif (/$doc_content/) {
# miguel-style comment kludge, look for blank lines after
# @parameter line to signify start of description
if ($1 eq "" && $section =~ m/^@/) {
dump_section($section, $contents);
$section = $section_default;
$contents = "";
} else {
$contents .= $1."\n";
}
} else {
# i dont know - bad line? ignore.
print STDERR "warning: $lineno: Bad line: $_";
}
} elsif ($state == 3) { # scanning for function { (end of prototype)
if (m#\s*/\*\s+MACDOC\s*#io) {
# do nothing
}
elsif (/([^\{]*)/) {
$prototype .= $1;
}
if (/\{/) {
$prototype =~ s@/\*.*?\*/@@gos; # strip comments.
$prototype =~ s@[\r\n]+@ @gos; # strip newlines/cr's.
$prototype =~ s@^ +@@gos; # strip leading spaces
dump_function($prototype);
$function = "";
%constants = ();
%parameters = ();
%parametertypes = ();
@parameterlist = ();
%sections = ();
@sectionlist = ();
$prototype = "";
$state = 0;
}
}
}
}

912
gnuk/chopstx/doc/gdoc.orig
View File

@ -1,912 +0,0 @@
eval '(exit $?0)' && eval 'exec perl -S "$0" ${1+"$@"}'
& eval 'exec perl -S "$0" $argv:q'
if 0;
# Generate documentation from source code.
## Copyright (c) 2002-2013 Simon Josefsson
## added -texinfo, -listfunc, -pkg-name
## man page revamp
## various improvements
## Copyright (c) 2001, 2002 Nikos Mavrogiannopoulos
## added -tex
## Copyright (c) 1998 Michael Zucchi
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This will read a C source code file and scan for embedded comments
# in the style of gnome comments (+minor extensions - see below).
# usage:
# gdoc [ -docbook | -html | -text | -man | -tex | -texinfo | -listfunc ]
# [ -sourceversion verno ] [ -include file | -includefuncprefix ]
# [ -bugsto address ] [ -pkg-name packagename ]
# [ -seeinfo infonode ] [ -copyright notice ] [ -verbatimcopying ]
# [ -function funcname [ -function funcname ...] ] c file(s)s > outputfile
#
# Set output format using one of -docbook, -html, -text, -man, -tex,
# -texinfo, or -listfunc. Default is man.
#
# -sourceversion
# Version number for source code, e.g. '1.0.4'. Used in 'man' headers.
# Defaults to using current date.
#
# -include FILE
# For man pages, mention #include <FILE.h> in the synopsis.
#
# -includefuncprefix
# For man pages, mention a #include <FILE.h> in the synopsis.
# The FILE derived from the function prefix. For example, a
# function gss_init_sec_context will generate an include
# statement of #include <gss.h>.
#
# -bugsto address
# For man pages, include a section about reporting bugs and mention
# the given e-mail address, e.g 'bug-libidn@gnu.org'.
#
# -pkg-name packagename
# For man pages when -bugsto is used, also include help URLs to the
# the project's home page. For example, "GNU Libidn".
#
# -seeinfo infonode
# For man pages, include a section that point to an info manual
# for more information.
#
# -copyright notice
# For man pages, include a copyright section with the given
# notice after a preamble. Use, e.g., '2002, 2003 Simon Josefsson'.
#
# -verbatimcopying
# For man pages, and when the -copyright parameter is used,
# add a licensing statement that say verbatim copying is permitted.
#
# -function funcname
# If set, then only generate documentation for the given function(s). All
# other functions are ignored.
#
# c files - list of 'c' files to process
#
# All output goes to stdout, with errors to stderr.
#
# format of comments.
# In the following table, (...)? signifies optional structure.
# (...)* signifies 0 or more structure elements
# /**
# * function_name(:)? (- short description)?
# (* @parameterx: (description of parameter x)?)*
# (* a blank line)?
# * (Description:)? (Description of function)?
# * (Section header: (section description)? )*
# (*)?*/
#
# So .. the trivial example would be:
#
# /**
# * my_function
# **/
#
# If the Description: header tag is ommitted, then there must be a blank line
# after the last parameter specification.
# e.g.
# /**
# * my_function - does my stuff
# * @my_arg: its mine damnit
# *
# * Does my stuff explained.
# */
#
# or, could also use:
# /**
# * my_function - does my stuff
# * @my_arg: its mine damnit
# * Description: Does my stuff explained.
# */
# etc.
#
# All descriptions can be multiline, apart from the short function description.
#
# All descriptive text is further processed, scanning for the following special
# patterns, which are highlighted appropriately.
#
# 'funcname()' - function
# '$ENVVAR' - environmental variable OBSOLETE (?)
# '#struct_name' - name of a structure
# '@parameter' - name of a parameter
# '%CONST' - name of a constant.
#
# Extensions for LaTeX:
#
# 1. the symbol '->' will be replaced with a rightarrow
# 2. x^y with ${x}^{y}$.
# 3. xxx\: with xxx:
use POSIX qw(strftime);
# match expressions used to find embedded type information
$type_constant = "\\\%(\\w+)";
$type_func = "(\\w+\\(\\))";
$type_param = "\\\@(\\w+)";
$type_struct = "\\\#(\\w+)";
$type_env = "(\\\$\\w+)";
# Output conversion substitutions.
# One for each output format
# these work fairly well
%highlights_html = ( $type_constant, "<i>\$1</i>",
$type_func, "<b>\$1</b>",
$type_struct, "<i>\$1</i>",
$type_param, "<tt><b>\$1</b></tt>" );
$blankline_html = "<p>";
%highlights_texinfo = ( $type_constant, "\\\@code{\$1}",
$type_func, "\\\@code{\$1}",
$type_struct, "\\\@code{\$1}",
$type_param, "\\\@code{\$1}" );
$blankline_texinfo = "";
%highlights_tex = ( $type_constant, "{\\\\it \$1}",
$type_func, "{\\\\bf \$1}",
$type_struct, "{\\\\it \$1}",
$type_param, "{\\\\bf \$1}" );
$blankline_tex = "\\\\";
# sgml, docbook format
%highlights_sgml = ( $type_constant, "<replaceable class=\"option\">\$1</replaceable>",
$type_func, "<function>\$1</function>",
$type_struct, "<structname>\$1</structname>",
$type_env, "<envar>\$1</envar>",
$type_param, "<parameter>\$1</parameter>" );
$blankline_sgml = "</para><para>\n";
# these are pretty rough
%highlights_man = ( $type_constant, "\\\\fB\$1\\\\fP",
$type_func, "\\\\fB\$1\\\\fP",
$type_struct, "\\\\fB\$1\\\\fP",
$type_param, "\\\\fI\$1\\\\fP" );
$blankline_man = "";
# text-mode
%highlights_text = ( $type_constant, "\$1",
$type_func, "\$1",
$type_struct, "\$1",
$type_param, "\$1" );
$blankline_text = "";
sub usage {
print "Usage: $0 [ -v ] [ -docbook | -html | -text | -man | -tex | -texinfo -listfunc ]\n";
print " [ -sourceversion verno ] [ -include file | -includefuncprefix ]\n";
print " [ -bugsto address ] [ -seeinfo infonode ] [ -copyright notice]\n";
print " [ -verbatimcopying ] [ -pkg-name packagename ]\n";
print " [ -function funcname [ -function funcname ...] ]\n";
print " c source file(s) > outputfile\n";
exit 1;
}
# read arguments
if ($#ARGV==-1) {
usage();
}
$verbose = 0;
$output_mode = "man";
%highlights = %highlights_man;
$blankline = $blankline_man;
$modulename = "API Documentation";
$sourceversion = strftime "%Y-%m-%d", localtime;
$function_only = 0;
while ($ARGV[0] =~ m/^-(.*)/) {
$cmd = shift @ARGV;
if ($cmd eq "-html") {
$output_mode = "html";
%highlights = %highlights_html;
$blankline = $blankline_html;
} elsif ($cmd eq "-man") {
$output_mode = "man";
%highlights = %highlights_man;
$blankline = $blankline_man;
} elsif ($cmd eq "-tex") {
$output_mode = "tex";
%highlights = %highlights_tex;
$blankline = $blankline_tex;
} elsif ($cmd eq "-texinfo") {
$output_mode = "texinfo";
%highlights = %highlights_texinfo;
$blankline = $blankline_texinfo;
} elsif ($cmd eq "-text") {
$output_mode = "text";
%highlights = %highlights_text;
$blankline = $blankline_text;
} elsif ($cmd eq "-docbook") {
$output_mode = "sgml";
%highlights = %highlights_sgml;
$blankline = $blankline_sgml;
} elsif ($cmd eq "-listfunc") {
$output_mode = "listfunc";
} elsif ($cmd eq "-module") { # not needed for sgml, inherits from calling document
$modulename = shift @ARGV;
} elsif ($cmd eq "-sourceversion") {
$sourceversion = shift @ARGV;
} elsif ($cmd eq "-include") {
$include = shift @ARGV;
} elsif ($cmd eq "-includefuncprefix") {
$includefuncprefix = 1;
} elsif ($cmd eq "-bugsto") {
$bugsto = shift @ARGV;
} elsif ($cmd eq "-pkg-name") {
$pkgname = shift @ARGV;
} elsif ($cmd eq "-copyright") {
$copyright = shift @ARGV;
} elsif ($cmd eq "-verbatimcopying") {
$verbatimcopying = 1;
} elsif ($cmd eq "-seeinfo") {
$seeinfo = shift @ARGV;
} elsif ($cmd eq "-function") { # to only output specific functions
$function_only = 1;
$function = shift @ARGV;
$function_table{$function} = 1;
} elsif ($cmd eq "-v") {
$verbose = 1;
} elsif (($cmd eq "-h") || ($cmd eq "--help")) {
usage();
}
}
##
# dumps section contents to arrays/hashes intended for that purpose.
#
sub dump_section {
my $name = shift @_;
my $contents = join "\n", @_;
if ($name =~ m/$type_constant/) {
$name = $1;
# print STDERR "constant section '$1' = '$contents'\n";
$constants{$name} = $contents;
} elsif ($name =~ m/$type_param/) {
# print STDERR "parameter def '$1' = '$contents'\n";
$name = $1;
$parameters{$name} = $contents;
} else {
# print STDERR "other section '$name' = '$contents'\n";
$sections{$name} = $contents;
push @sectionlist, $name;
}
}
##
# output function
#
# parameters, a hash.
# function => "function name"
# parameterlist => @list of parameters
# parameters => %parameter descriptions
# sectionlist => @list of sections
# sections => %descriont descriptions
#
sub repstr {
$pattern = shift;
$repl = shift;
$match1 = shift;
$match2 = shift;
$match3 = shift;
$match4 = shift;
$output = $repl;
$output =~ s,\$1,$match1,g;
$output =~ s,\$2,$match2,g;
$output =~ s,\$3,$match3,g;
$output =~ s,\$4,$match4,g;
eval "\$return = qq/$output/";
# print "pattern $pattern matched 1=$match1 2=$match2 3=$match3 4=$match4 replace $repl yielded $output interpolated $return\n";
$return;
}
sub just_highlight {
my $contents = join "\n", @_;
my $line;
my $ret = "";
foreach $pattern (keys %highlights) {
# print "scanning pattern $pattern ($highlights{$pattern})\n";
$contents =~ s:$pattern:repstr($pattern, $highlights{$pattern}, $1, $2, $3, $4):gse;
}
foreach $line (split "\n", $contents) {
if ($line eq ""){
$ret = $ret . $lineprefix . $blankline;
} else {
$ret = $ret . $lineprefix . $line;
}
$ret = $ret . "\n";
}
return $ret;
}
sub output_highlight {
print (just_highlight (@_));
}
# output in texinfo
sub output_texinfo {
my %args = %{$_[0]};
my ($parameter, $section);
my $count;
print "\@subheading ".$args{'function'}."\n";
print "\@anchor{".$args{'function'}."}\n";
print "\@deftypefun {" . $args{'functiontype'} . "} ";
print "{".$args{'function'}."} ";
print "(";
$count = 0;
foreach $parameter (@{$args{'parameterlist'}}) {
print $args{'parametertypes'}{$parameter}." \@var{".$parameter."}";
if ($count != $#{$args{'parameterlist'}}) {
$count++;
print ", ";
}
}
print ")\n";
foreach $parameter (@{$args{'parameterlist'}}) {
if ($args{'parameters'}{$parameter}) {
print "\@var{".$parameter."}: ";
output_highlight($args{'parameters'}{$parameter});
print "\n";
}
}
foreach $section (@{$args{'sectionlist'}}) {
print "\n\@strong{$section:} " if $section ne $section_default;
$args{'sections'}{$section} =~ s:([{}]):\@\1:gs;
output_highlight($args{'sections'}{$section});
}
print "\@end deftypefun\n\n";
}
# output in html
sub output_html {
my %args = %{$_[0]};
my ($parameter, $section);
my $count;
print "\n\n<a name=\"". $args{'function'} . "\">&nbsp</a><h2>Function</h2>\n";
print "<i>".$args{'functiontype'}."</i>\n";
print "<b>".$args{'function'}."</b>\n";
print "(";
$count = 0;
foreach $parameter (@{$args{'parameterlist'}}) {
print "<i>".$args{'parametertypes'}{$parameter}."</i> <b>".$parameter."</b>\n";
if ($count != $#{$args{'parameterlist'}}) {
$count++;
print ", ";
}
}
print ")\n";
print "<h3>Arguments</h3>\n";
print "<dl>\n";
foreach $parameter (@{$args{'parameterlist'}}) {
print "<dt><i>".$args{'parametertypes'}{$parameter}."</i> <b>".$parameter."</b>\n";
print "<dd>";
output_highlight($args{'parameters'}{$parameter});
}
print "</dl>\n";
foreach $section (@{$args{'sectionlist'}}) {
print "<h3>$section</h3>\n";
print "<ul>\n";
output_highlight($args{'sections'}{$section});
print "</ul>\n";
}
print "<hr>\n";
}
# output in tex
sub output_tex {
my %args = %{$_[0]};
my ($parameter, $section);
my $count;
my $func = $args{'function'};
my $param;
my $param2;
my $sec;
my $check;
my $type;
$func =~ s/_/\\_/g;
print "\n\n\\subsection{". $func . "}\n\\label{" . $args{'function'} . "}\n";
$type = $args{'functiontype'};
$type =~ s/_/\\_/g;
print "{\\it ".$type."}\n";
print "{\\bf ".$func."}\n";
print "(";
$count = 0;
foreach $parameter (@{$args{'parameterlist'}}) {
$param = $args{'parametertypes'}{$parameter};
$param2 = $parameter;
$param =~ s/_/\\_/g;
$param2 =~ s/_/\\_/g;
print "{\\it ".$param."} {\\bf ".$param2."}";
if ($count != $#{$args{'parameterlist'}}) {
$count++;
print ", ";
}
}
print ")\n";
print "\n{\\large{Arguments}}\n";
print "\\begin{itemize}\n";
$check=0;
foreach $parameter (@{$args{'parameterlist'}}) {
$param1 = $args{'parametertypes'}{$parameter};
$param1 =~ s/_/\\_/g;
$param2 = $parameter;
$param2 =~ s/_/\\_/g;
$check = 1;
print "\\item {\\it ".$param1."} {\\bf ".$param2."}: \n";
# print "\n";
$param3 = $args{'parameters'}{$parameter};
$param3 =~ s/#([a-zA-Z\_]+)/{\\it \1}/g;
$out = just_highlight($param3);
$out =~ s/_/\\_/g;
print $out;
}
if ($check==0) {
print "\\item void\n";
}
print "\\end{itemize}\n";
foreach $section (@{$args{'sectionlist'}}) {
$sec = $section;
$sec =~ s/_/\\_/g;
$sec =~ s/#([a-zA-Z\_]+)/{\\it \1}/g;
print "\n{\\large{$sec}}\\\\\n";
print "\\begin{rmfamily}\n";
$sec = $args{'sections'}{$section};
$sec =~ s/\\:/:/g;
$sec =~ s/#([a-zA-Z\_]+)/{\\it \1}/g;
$sec =~ s/->/\$\\rightarrow\$/g;
$sec =~ s/([0-9]+)\^([0-9]+)/\$\{\1\}\^\{\2\}\$/g;
$out = just_highlight($sec);
$out =~ s/_/\\_/g;
print $out;
print "\\end{rmfamily}\n";
}
print "\n";
}
# output in sgml DocBook
sub output_sgml {
my %args = %{$_[0]};
my ($parameter, $section);
my $count;
my $id;
$id = $args{'module'}."-".$args{'function'};
$id =~ s/[^A-Za-z0-9]/-/g;
print "<refentry>\n";
print "<refmeta>\n";
print "<refentrytitle><phrase id=\"$id\">".$args{'function'}."</phrase></refentrytitle>\n";
print "</refmeta>\n";
print "<refnamediv>\n";
print " <refname>".$args{'function'}."</refname>\n";
print " <refpurpose>\n";
print " ".$args{'purpose'}."\n";
print " </refpurpose>\n";
print "</refnamediv>\n";
print "<refsynopsisdiv>\n";
print " <title>Synopsis</title>\n";
print " <funcsynopsis>\n";
print " <funcdef>".$args{'functiontype'}." ";
print "<function>".$args{'function'}." ";
print "</function></funcdef>\n";
# print "<refsect1>\n";
# print " <title>Synopsis</title>\n";
# print " <funcsynopsis>\n";
# print " <funcdef>".$args{'functiontype'}." ";
# print "<function>".$args{'function'}." ";
# print "</function></funcdef>\n";
$count = 0;
if ($#{$args{'parameterlist'}} >= 0) {
foreach $parameter (@{$args{'parameterlist'}}) {
print " <paramdef>".$args{'parametertypes'}{$parameter};
print " <parameter>$parameter</parameter></paramdef>\n";
}
} else {
print " <void>\n";
}
print " </funcsynopsis>\n";
print "</refsynopsisdiv>\n";
# print "</refsect1>\n";
# print parameters
print "<refsect1>\n <title>Arguments</title>\n";
# print "<para>\nArguments\n";
if ($#{$args{'parameterlist'}} >= 0) {
print " <variablelist>\n";
foreach $parameter (@{$args{'parameterlist'}}) {
print " <varlistentry>\n <term><parameter>$parameter</parameter></term>\n";
print " <listitem>\n <para>\n";
$lineprefix=" ";
output_highlight($args{'parameters'}{$parameter});
print " </para>\n </listitem>\n </varlistentry>\n";
}
print " </variablelist>\n";
} else {
print " <para>\n None\n </para>\n";
}
print "</refsect1>\n";
# print out each section
$lineprefix=" ";
foreach $section (@{$args{'sectionlist'}}) {
print "<refsect1>\n <title>$section</title>\n <para>\n";
# print "<para>\n$section\n";
if ($section =~ m/EXAMPLE/i) {
print "<example><para>\n";
}
output_highlight($args{'sections'}{$section});
# print "</para>";
if ($section =~ m/EXAMPLE/i) {
print "</para></example>\n";
}
print " </para>\n</refsect1>\n";
}
print "\n\n";
}
##
# output in man
sub output_man {
my %args = %{$_[0]};
my ($parameter, $section);
my $count;
print ".\\\" DO NOT MODIFY THIS FILE! It was generated by gdoc.\n";
print ".TH \"$args{'function'}\" 3 \"$args{'sourceversion'}\" \"". $args{'module'} . "\" \"". $args{'module'} . "\"\n";
print ".SH NAME\n";
print $args{'function'};
if ($args{'purpose'}) {
print " \\- " . $args{'purpose'} . "\n";
} else {
print " \\- API function\n";
}
print ".SH SYNOPSIS\n";
print ".B #include <". $args{'include'} . ">\n"
if $args{'include'};
print ".B #include <". lc((split /_/, $args{'function'})[0]) . ".h>\n"
if $args{'includefuncprefix'};
print ".sp\n";
print ".BI \"".$args{'functiontype'}." ".$args{'function'}."(";
$count = 0;
foreach $parameter (@{$args{'parameterlist'}}) {
print $args{'parametertypes'}{$parameter}." \" ".$parameter." \"";
if ($count != $#{$args{'parameterlist'}}) {
$count++;
print ", ";
}
}
print ");\"\n";
print ".SH ARGUMENTS\n";
foreach $parameter (@{$args{'parameterlist'}}) {
print ".IP \"".$args{'parametertypes'}{$parameter}." ".$parameter."\" 12\n";
$param = $args{'parameters'}{$parameter};
$param =~ s/-/\\-/g;
output_highlight($param);
}
foreach $section (@{$args{'sectionlist'}}) {
print ".SH \"" . uc($section) . "\"\n";
$sec = $args{'sections'}{$section};
$sec =~ s/-/\\-/g;
output_highlight($sec);
}
if ($args{'bugsto'}) {
print ".SH \"REPORTING BUGS\"\n";
print "Report bugs to <". $args{'bugsto'} . ">.\n";
if ($args{'pkgname'}) {
print $args{'pkgname'} . " home page: " .
"http://www.gnu.org/software/" . $args{'module'} . "/\n";
}
print "General help using GNU software: http://www.gnu.org/gethelp/\n";
}
if ($args{'copyright'}) {
print ".SH COPYRIGHT\n";
print "Copyright \\(co ". $args{'copyright'} . ".\n";
if ($args{'verbatimcopying'}) {
print ".br\n";
print "Copying and distribution of this file, with or without modification,\n";
print "are permitted in any medium without royalty provided the copyright\n";
print "notice and this notice are preserved.\n";
}
}
if ($args{'seeinfo'}) {
print ".SH \"SEE ALSO\"\n";
print "The full documentation for\n";
print ".B " . $args{'module'} . "\n";
print "is maintained as a Texinfo manual. If the\n";
print ".B info\n";
print "and\n";
print ".B " . $args{'module'} . "\n";
print "programs are properly installed at your site, the command\n";
print ".IP\n";
print ".B info " . $args{'seeinfo'} . "\n";
print ".PP\n";
print "should give you access to the complete manual.\n";
}
}
sub output_listfunc {
my %args = %{$_[0]};
print $args{'function'} . "\n";
}
##
# output in text
sub output_text {
my %args = %{$_[0]};
my ($parameter, $section);
print "Function = ".$args{'function'}."\n";
print " return type: ".$args{'functiontype'}."\n\n";
foreach $parameter (@{$args{'parameterlist'}}) {
print " ".$args{'parametertypes'}{$parameter}." ".$parameter."\n";
print " -> ".$args{'parameters'}{$parameter}."\n";
}
foreach $section (@{$args{'sectionlist'}}) {
print " $section:\n";
print " -> ";
output_highlight($args{'sections'}{$section});
}
}
##
# generic output function - calls the right one based
# on current output mode.
sub output_function {
# output_html(@_);
eval "output_".$output_mode."(\@_);";
}
##
# takes a function prototype and spits out all the details
# stored in the global arrays/hsahes.
sub dump_function {
my $prototype = shift @_;
if ($prototype =~ m/^()([a-zA-Z0-9_~:]+)\s*\(([^\)]*)\)/ ||
$prototype =~ m/^(\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\)]*)\)/ ||
$prototype =~ m/^(\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\)]*)\)/ ||
$prototype =~ m/^(\w+\s+\w+)\s+([a-zA-Z0-9_~:]+)\s*\(([^\)]*)\)/ ||
$prototype =~ m/^(\w+\s+\w+\s*\*)\s*([a-zA-Z0-9_~:]+)\s*\(([^\)]*)\)/) {
$return_type = $1;
$function_name = $2;
$args = $3;
# print STDERR "ARGS = '$args'\n";
foreach $arg (split ',', $args) {
# strip leading/trailing spaces
$arg =~ s/^\s*//;
$arg =~ s/\s*$//;
# print STDERR "SCAN ARG: '$arg'\n";
@args = split('\s', $arg);
# print STDERR " -> @args\n";
$param = pop @args;
# print STDERR " -> @args\n";
if ($param =~ m/^(\*+)(.*)/) {
$param = $2;
push @args, $1;
}
if ($param =~ m/^(.*)(\[\])$/) {
$param = $1;
push @args, $2;
}
# print STDERR " :> @args\n";
$type = join " ", @args;
if ($parameters{$param} eq "" && $param != "void") {
$parameters{$param} = "-- undescribed --";
print STDERR "warning: $lineno: Function parameter '$param' not described in '$function_name'\n";
}
push @parameterlist, $param;
$parametertypes{$param} = $type;
# print STDERR "param = '$param', type = '$type'\n";
}
} else {
print STDERR "warning: $lineno: Cannot understand prototype: '$prototype'\n";
return;
}
if ($function_only==0 || defined($function_table{$function_name})) {
output_function({'function' => $function_name,
'module' => $modulename,
'sourceversion' => $sourceversion,
'include' => $include,
'includefuncprefix' => $includefuncprefix,
'bugsto' => $bugsto,
'pkgname' => $pkgname,
'copyright' => $copyright,
'verbatimcopying' => $verbatimcopying,
'seeinfo' => $seeinfo,
'functiontype' => $return_type,
'parameterlist' => \@parameterlist,
'parameters' => \%parameters,
'parametertypes' => \%parametertypes,
'sectionlist' => \@sectionlist,
'sections' => \%sections,
'purpose' => $function_purpose
});
}
}
######################################################################
# main
# states
# 0 - normal code
# 1 - looking for function name
# 2 - scanning field start.
# 3 - scanning prototype.
$state = 0;
$section = "";
$doc_special = "\@\%\$\#";
$doc_start = "^/\\*\\*\$";
$doc_end = "\\*/";
$doc_com = "\\s*\\*\\s*";
$doc_func = $doc_com."(\\w+):?";
$doc_sect = $doc_com."([".$doc_special."[:upper:]][\\w ]+):\\s*(.*)";
$doc_content = $doc_com."(.*)";
%constants = ();
%parameters = ();
@parameterlist = ();
%sections = ();
@sectionlist = ();
$contents = "";
$section_default = "Description"; # default section
$section = $section_default;
$lineno = 0;
foreach $file (@ARGV) {
if (!open(IN,"<$file")) {
print STDERR "Error: Cannot open file $file\n";
next;
}
while (<IN>) {
$lineno++;
if ($state == 0) {
if (/$doc_start/o) {
$state = 1; # next line is always the function name
}
} elsif ($state == 1) { # this line is the function name (always)
if (/$doc_func/o) {
$function = $1;
$state = 2;
if (/-\s*(.*)/) {
$function_purpose = $1;
} else {
$function_purpose = "";
}
if ($verbose) {
print STDERR "Info($lineno): Scanning doc for $function\n";
}
} else {
print STDERR "warning: $lineno: Cannot understand $_ on line $lineno",
" - I thought it was a doc line\n";
$state = 0;
}
} elsif ($state == 2) { # look for head: lines, and include content
if (/$doc_sect/o) {
$newsection = $1;
$newcontents = $2;
if ($contents ne "") {
dump_section($section, $contents);
$section = $section_default;
}
$contents = $newcontents;
if ($contents ne "") {
$contents .= "\n";
}
$section = $newsection;
} elsif (/$doc_end/) {
if ($contents ne "") {
dump_section($section, $contents);
$section = $section_default;
$contents = "";
}
# print STDERR "end of doc comment, looking for prototype\n";
$prototype = "";
$state = 3;
} elsif (/$doc_content/) {
# miguel-style comment kludge, look for blank lines after
# @parameter line to signify start of description
if ($1 eq "" && $section =~ m/^@/) {
dump_section($section, $contents);
$section = $section_default;
$contents = "";
} else {
$contents .= $1."\n";
}
} else {
# i dont know - bad line? ignore.
print STDERR "warning: $lineno: Bad line: $_";
}
} elsif ($state == 3) { # scanning for function { (end of prototype)
if (m#\s*/\*\s+MACDOC\s*#io) {
# do nothing
}
elsif (/([^\{]*)/) {
$prototype .= $1;
}
if (/\{/) {
$prototype =~ s@/\*.*?\*/@@gos; # strip comments.
$prototype =~ s@[\r\n]+@ @gos; # strip newlines/cr's.
$prototype =~ s@^ +@@gos; # strip leading spaces
dump_function($prototype);
$function = "";
%constants = ();
%parameters = ();
%parametertypes = ();
@parameterlist = ();
%sections = ();
@sectionlist = ();
$prototype = "";
$state = 0;
}
}
}
}

732
gnuk/chopstx/doc/gpl.texi
View File

@ -1,732 +0,0 @@
@node Copying
@unnumbered GNU General Public License
@center Version 3, 29 June 2007
@c This file is intended to be included in another file.
@display
Copyright @copyright{} 2007 Free Software Foundation, Inc. @url{http://fsf.org/}
Everyone is permitted to copy and distribute verbatim copies of this
license document, but changing it is not allowed.
@end display
@unnumberedsec Preamble
The GNU General Public License is a free, copyleft license for
software and other kinds of works.
The licenses for most software and other practical works are designed
to take away your freedom to share and change the works. By contrast,
the GNU General Public License is intended to guarantee your freedom
to share and change all versions of a program--to make sure it remains
free software for all its users. We, the Free Software Foundation,
use the GNU General Public License for most of our software; it
applies also to any other work released this way by its authors. You
can apply it to your programs, too.
When we speak of free software, we are referring to freedom, not
price. Our General Public Licenses are designed to make sure that you
have the freedom to distribute copies of free software (and charge for
them if you wish), that you receive source code or can get it if you
want it, that you can change the software or use pieces of it in new
free programs, and that you know you can do these things.
To protect your rights, we need to prevent others from denying you
these rights or asking you to surrender the rights. Therefore, you
have certain responsibilities if you distribute copies of the
software, or if you modify it: responsibilities to respect the freedom
of others.
For example, if you distribute copies of such a program, whether
gratis or for a fee, you must pass on to the recipients the same
freedoms that you received. You must make sure that they, too,
receive or can get the source code. And you must show them these
terms so they know their rights.
Developers that use the GNU GPL protect your rights with two steps:
(1) assert copyright on the software, and (2) offer you this License
giving you legal permission to copy, distribute and/or modify it.
For the developers' and authors' protection, the GPL clearly explains
that there is no warranty for this free software. For both users' and
authors' sake, the GPL requires that modified versions be marked as
changed, so that their problems will not be attributed erroneously to
authors of previous versions.
Some devices are designed to deny users access to install or run
modified versions of the software inside them, although the
manufacturer can do so. This is fundamentally incompatible with the
aim of protecting users' freedom to change the software. The
systematic pattern of such abuse occurs in the area of products for
individuals to use, which is precisely where it is most unacceptable.
Therefore, we have designed this version of the GPL to prohibit the
practice for those products. If such problems arise substantially in
other domains, we stand ready to extend this provision to those
domains in future versions of the GPL, as needed to protect the
freedom of users.
Finally, every program is threatened constantly by software patents.
States should not allow patents to restrict development and use of
software on general-purpose computers, but in those that do, we wish
to avoid the special danger that patents applied to a free program
could make it effectively proprietary. To prevent this, the GPL
assures that patents cannot be used to render the program non-free.
The precise terms and conditions for copying, distribution and
modification follow.
@iftex
@unnumberedsec TERMS AND CONDITIONS
@end iftex
@ifinfo
@center TERMS AND CONDITIONS
@end ifinfo
@enumerate 0
@item Definitions.
``This License'' refers to version 3 of the GNU General Public License.
``Copyright'' also means copyright-like laws that apply to other kinds
of works, such as semiconductor masks.
``The Program'' refers to any copyrightable work licensed under this
License. Each licensee is addressed as ``you''. ``Licensees'' and
``recipients'' may be individuals or organizations.
To ``modify'' a work means to copy from or adapt all or part of the work
in a fashion requiring copyright permission, other than the making of
an exact copy. The resulting work is called a ``modified version'' of
the earlier work or a work ``based on'' the earlier work.
A ``covered work'' means either the unmodified Program or a work based
on the Program.
To ``propagate'' a work means to do anything with it that, without
permission, would make you directly or secondarily liable for
infringement under applicable copyright law, except executing it on a
computer or modifying a private copy. Propagation includes copying,
distribution (with or without modification), making available to the
public, and in some countries other activities as well.
To ``convey'' a work means any kind of propagation that enables other
parties to make or receive copies. Mere interaction with a user
through a computer network, with no transfer of a copy, is not
conveying.
An interactive user interface displays ``Appropriate Legal Notices'' to
the extent that it includes a convenient and prominently visible
feature that (1) displays an appropriate copyright notice, and (2)
tells the user that there is no warranty for the work (except to the
extent that warranties are provided), that licensees may convey the
work under this License, and how to view a copy of this License. If
the interface presents a list of user commands or options, such as a
menu, a prominent item in the list meets this criterion.
@item Source Code.
The ``source code'' for a work means the preferred form of the work for
making modifications to it. ``Object code'' means any non-source form
of a work.
A ``Standard Interface'' means an interface that either is an official
standard defined by a recognized standards body, or, in the case of
interfaces specified for a particular programming language, one that
is widely used among developers working in that language.
The ``System Libraries'' of an executable work include anything, other
than the work as a whole, that (a) is included in the normal form of
packaging a Major Component, but which is not part of that Major
Component, and (b) serves only to enable use of the work with that
Major Component, or to implement a Standard Interface for which an
implementation is available to the public in source code form. A
``Major Component'', in this context, means a major essential component
(kernel, window system, and so on) of the specific operating system
(if any) on which the executable work runs, or a compiler used to
produce the work, or an object code interpreter used to run it.
The ``Corresponding Source'' for a work in object code form means all
the source code needed to generate, install, and (for an executable
work) run the object code and to modify the work, including scripts to
control those activities. However, it does not include the work's
System Libraries, or general-purpose tools or generally available free
programs which are used unmodified in performing those activities but
which are not part of the work. For example, Corresponding Source
includes interface definition files associated with source files for
the work, and the source code for shared libraries and dynamically
linked subprograms that the work is specifically designed to require,
such as by intimate data communication or control flow between those
subprograms and other parts of the work.
The Corresponding Source need not include anything that users can
regenerate automatically from other parts of the Corresponding Source.
The Corresponding Source for a work in source code form is that same
work.
@item Basic Permissions.
All rights granted under this License are granted for the term of
copyright on the Program, and are irrevocable provided the stated
conditions are met. This License explicitly affirms your unlimited
permission to run the unmodified Program. The output from running a
covered work is covered by this License only if the output, given its
content, constitutes a covered work. This License acknowledges your
rights of fair use or other equivalent, as provided by copyright law.
You may make, run and propagate covered works that you do not convey,
without conditions so long as your license otherwise remains in force.
You may convey covered works to others for the sole purpose of having
them make modifications exclusively for you, or provide you with
facilities for running those works, provided that you comply with the
terms of this License in conveying all material for which you do not
control copyright. Those thus making or running the covered works for
you must do so exclusively on your behalf, under your direction and
control, on terms that prohibit them from making any copies of your
copyrighted material outside their relationship with you.
Conveying under any other circumstances is permitted solely under the
conditions stated below. Sublicensing is not allowed; section 10
makes it unnecessary.
@item Protecting Users' Legal Rights From Anti-Circumvention Law.
No covered work shall be deemed part of an effective technological
measure under any applicable law fulfilling obligations under article
11 of the WIPO copyright treaty adopted on 20 December 1996, or
similar laws prohibiting or restricting circumvention of such
measures.
When you convey a covered work, you waive any legal power to forbid
circumvention of technological measures to the extent such
circumvention is effected by exercising rights under this License with
respect to the covered work, and you disclaim any intention to limit
operation or modification of the work as a means of enforcing, against
the work's users, your or third parties' legal rights to forbid
circumvention of technological measures.
@item Conveying Verbatim Copies.
You may convey verbatim copies of the Program's source code as you
receive it, in any medium, provided that you conspicuously and
appropriately publish on each copy an appropriate copyright notice;
keep intact all notices stating that this License and any
non-permissive terms added in accord with section 7 apply to the code;
keep intact all notices of the absence of any warranty; and give all
recipients a copy of this License along with the Program.
You may charge any price or no price for each copy that you convey,
and you may offer support or warranty protection for a fee.
@item Conveying Modified Source Versions.
You may convey a work based on the Program, or the modifications to
produce it from the Program, in the form of source code under the
terms of section 4, provided that you also meet all of these
conditions:
@enumerate a
@item
The work must carry prominent notices stating that you modified it,
and giving a relevant date.
@item
The work must carry prominent notices stating that it is released
under this License and any conditions added under section 7. This
requirement modifies the requirement in section 4 to ``keep intact all
notices''.
@item
You must license the entire work, as a whole, under this License to
anyone who comes into possession of a copy. This License will
therefore apply, along with any applicable section 7 additional terms,
to the whole of the work, and all its parts, regardless of how they
are packaged. This License gives no permission to license the work in
any other way, but it does not invalidate such permission if you have
separately received it.
@item
If the work has interactive user interfaces, each must display
Appropriate Legal Notices; however, if the Program has interactive
interfaces that do not display Appropriate Legal Notices, your work
need not make them do so.
@end enumerate
A compilation of a covered work with other separate and independent
works, which are not by their nature extensions of the covered work,
and which are not combined with it such as to form a larger program,
in or on a volume of a storage or distribution medium, is called an
``aggregate'' if the compilation and its resulting copyright are not
used to limit the access or legal rights of the compilation's users
beyond what the individual works permit. Inclusion of a covered work
in an aggregate does not cause this License to apply to the other
parts of the aggregate.
@item Conveying Non-Source Forms.
You may convey a covered work in object code form under the terms of
sections 4 and 5, provided that you also convey the machine-readable
Corresponding Source under the terms of this License, in one of these
ways:
@enumerate a
@item
Convey the object code in, or embodied in, a physical product
(including a physical distribution medium), accompanied by the
Corresponding Source fixed on a durable physical medium customarily
used for software interchange.
@item
Convey the object code in, or embodied in, a physical product
(including a physical distribution medium), accompanied by a written
offer, valid for at least three years and valid for as long as you
offer spare parts or customer support for that product model, to give
anyone who possesses the object code either (1) a copy of the
Corresponding Source for all the software in the product that is
covered by this License, on a durable physical medium customarily used
for software interchange, for a price no more than your reasonable
cost of physically performing this conveying of source, or (2) access
to copy the Corresponding Source from a network server at no charge.
@item
Convey individual copies of the object code with a copy of the written
offer to provide the Corresponding Source. This alternative is
allowed only occasionally and noncommercially, and only if you
received the object code with such an offer, in accord with subsection
6b.
@item
Convey the object code by offering access from a designated place
(gratis or for a charge), and offer equivalent access to the
Corresponding Source in the same way through the same place at no
further charge. You need not require recipients to copy the
Corresponding Source along with the object code. If the place to copy
the object code is a network server, the Corresponding Source may be
on a different server (operated by you or a third party) that supports
equivalent copying facilities, provided you maintain clear directions
next to the object code saying where to find the Corresponding Source.
Regardless of what server hosts the Corresponding Source, you remain
obligated to ensure that it is available for as long as needed to
satisfy these requirements.
@item
Convey the object code using peer-to-peer transmission, provided you
inform other peers where the object code and Corresponding Source of
the work are being offered to the general public at no charge under
subsection 6d.
@end enumerate
A separable portion of the object code, whose source code is excluded
from the Corresponding Source as a System Library, need not be
included in conveying the object code work.
A ``User Product'' is either (1) a ``consumer product'', which means any
tangible personal property which is normally used for personal,
family, or household purposes, or (2) anything designed or sold for
incorporation into a dwelling. In determining whether a product is a
consumer product, doubtful cases shall be resolved in favor of
coverage. For a particular product received by a particular user,
``normally used'' refers to a typical or common use of that class of
product, regardless of the status of the particular user or of the way
in which the particular user actually uses, or expects or is expected
to use, the product. A product is a consumer product regardless of
whether the product has substantial commercial, industrial or
non-consumer uses, unless such uses represent the only significant
mode of use of the product.
``Installation Information'' for a User Product means any methods,
procedures, authorization keys, or other information required to
install and execute modified versions of a covered work in that User
Product from a modified version of its Corresponding Source. The
information must suffice to ensure that the continued functioning of
the modified object code is in no case prevented or interfered with
solely because modification has been made.
If you convey an object code work under this section in, or with, or
specifically for use in, a User Product, and the conveying occurs as
part of a transaction in which the right of possession and use of the
User Product is transferred to the recipient in perpetuity or for a
fixed term (regardless of how the transaction is characterized), the
Corresponding Source conveyed under this section must be accompanied
by the Installation Information. But this requirement does not apply
if neither you nor any third party retains the ability to install
modified object code on the User Product (for example, the work has
been installed in ROM).
The requirement to provide Installation Information does not include a
requirement to continue to provide support service, warranty, or
updates for a work that has been modified or installed by the
recipient, or for the User Product in which it has been modified or
installed. Access to a network may be denied when the modification
itself materially and adversely affects the operation of the network
or violates the rules and protocols for communication across the
network.
Corresponding Source conveyed, and Installation Information provided,
in accord with this section must be in a format that is publicly
documented (and with an implementation available to the public in
source code form), and must require no special password or key for
unpacking, reading or copying.
@item Additional Terms.
``Additional permissions'' are terms that supplement the terms of this
License by making exceptions from one or more of its conditions.
Additional permissions that are applicable to the entire Program shall
be treated as though they were included in this License, to the extent
that they are valid under applicable law. If additional permissions
apply only to part of the Program, that part may be used separately
under those permissions, but the entire Program remains governed by
this License without regard to the additional permissions.
When you convey a copy of a covered work, you may at your option
remove any additional permissions from that copy, or from any part of
it. (Additional permissions may be written to require their own
removal in certain cases when you modify the work.) You may place
additional permissions on material, added by you to a covered work,
for which you have or can give appropriate copyright permission.
Notwithstanding any other provision of this License, for material you
add to a covered work, you may (if authorized by the copyright holders
of that material) supplement the terms of this License with terms:
@enumerate a
@item
Disclaiming warranty or limiting liability differently from the terms
of sections 15 and 16 of this License; or
@item
Requiring preservation of specified reasonable legal notices or author
attributions in that material or in the Appropriate Legal Notices
displayed by works containing it; or
@item
Prohibiting misrepresentation of the origin of that material, or
requiring that modified versions of such material be marked in
reasonable ways as different from the original version; or
@item
Limiting the use for publicity purposes of names of licensors or
authors of the material; or
@item
Declining to grant rights under trademark law for use of some trade
names, trademarks, or service marks; or
@item
Requiring indemnification of licensors and authors of that material by
anyone who conveys the material (or modified versions of it) with
contractual assumptions of liability to the recipient, for any
liability that these contractual assumptions directly impose on those
licensors and authors.
@end enumerate
All other non-permissive additional terms are considered ``further
restrictions'' within the meaning of section 10. If the Program as you
received it, or any part of it, contains a notice stating that it is
governed by this License along with a term that is a further
restriction, you may remove that term. If a license document contains
a further restriction but permits relicensing or conveying under this
License, you may add to a covered work material governed by the terms
of that license document, provided that the further restriction does
not survive such relicensing or conveying.
If you add terms to a covered work in accord with this section, you
must place, in the relevant source files, a statement of the
additional terms that apply to those files, or a notice indicating
where to find the applicable terms.
Additional terms, permissive or non-permissive, may be stated in the
form of a separately written license, or stated as exceptions; the
above requirements apply either way.
@item Termination.
You may not propagate or modify a covered work except as expressly
provided under this License. Any attempt otherwise to propagate or
modify it is void, and will automatically terminate your rights under
this License (including any patent licenses granted under the third
paragraph of section 11).
However, if you cease all violation of this License, then your license
from a particular copyright holder is reinstated (a) provisionally,
unless and until the copyright holder explicitly and finally
terminates your license, and (b) permanently, if the copyright holder
fails to notify you of the violation by some reasonable means prior to
60 days after the cessation.
Moreover, your license from a particular copyright holder is
reinstated permanently if the copyright holder notifies you of the
violation by some reasonable means, this is the first time you have
received notice of violation of this License (for any work) from that
copyright holder, and you cure the violation prior to 30 days after
your receipt of the notice.
Termination of your rights under this section does not terminate the
licenses of parties who have received copies or rights from you under
this License. If your rights have been terminated and not permanently
reinstated, you do not qualify to receive new licenses for the same
material under section 10.
@item Acceptance Not Required for Having Copies.
You are not required to accept this License in order to receive or run
a copy of the Program. Ancillary propagation of a covered work
occurring solely as a consequence of using peer-to-peer transmission
to receive a copy likewise does not require acceptance. However,
nothing other than this License grants you permission to propagate or
modify any covered work. These actions infringe copyright if you do
not accept this License. Therefore, by modifying or propagating a
covered work, you indicate your acceptance of this License to do so.
@item Automatic Licensing of Downstream Recipients.
Each time you convey a covered work, the recipient automatically
receives a license from the original licensors, to run, modify and
propagate that work, subject to this License. You are not responsible
for enforcing compliance by third parties with this License.
An ``entity transaction'' is a transaction transferring control of an
organization, or substantially all assets of one, or subdividing an
organization, or merging organizations. If propagation of a covered
work results from an entity transaction, each party to that
transaction who receives a copy of the work also receives whatever
licenses to the work the party's predecessor in interest had or could
give under the previous paragraph, plus a right to possession of the
Corresponding Source of the work from the predecessor in interest, if
the predecessor has it or can get it with reasonable efforts.
You may not impose any further restrictions on the exercise of the
rights granted or affirmed under this License. For example, you may
not impose a license fee, royalty, or other charge for exercise of
rights granted under this License, and you may not initiate litigation
(including a cross-claim or counterclaim in a lawsuit) alleging that
any patent claim is infringed by making, using, selling, offering for
sale, or importing the Program or any portion of it.
@item Patents.
A ``contributor'' is a copyright holder who authorizes use under this
License of the Program or a work on which the Program is based. The
work thus licensed is called the contributor's ``contributor version''.
A contributor's ``essential patent claims'' are all patent claims owned
or controlled by the contributor, whether already acquired or
hereafter acquired, that would be infringed by some manner, permitted
by this License, of making, using, or selling its contributor version,
but do not include claims that would be infringed only as a
consequence of further modification of the contributor version. For
purposes of this definition, ``control'' includes the right to grant
patent sublicenses in a manner consistent with the requirements of
this License.
Each contributor grants you a non-exclusive, worldwide, royalty-free
patent license under the contributor's essential patent claims, to
make, use, sell, offer for sale, import and otherwise run, modify and
propagate the contents of its contributor version.
In the following three paragraphs, a ``patent license'' is any express
agreement or commitment, however denominated, not to enforce a patent
(such as an express permission to practice a patent or covenant not to
sue for patent infringement). To ``grant'' such a patent license to a
party means to make such an agreement or commitment not to enforce a
patent against the party.
If you convey a covered work, knowingly relying on a patent license,
and the Corresponding Source of the work is not available for anyone
to copy, free of charge and under the terms of this License, through a
publicly available network server or other readily accessible means,
then you must either (1) cause the Corresponding Source to be so
available, or (2) arrange to deprive yourself of the benefit of the
patent license for this particular work, or (3) arrange, in a manner
consistent with the requirements of this License, to extend the patent
license to downstream recipients. ``Knowingly relying'' means you have
actual knowledge that, but for the patent license, your conveying the
covered work in a country, or your recipient's use of the covered work
in a country, would infringe one or more identifiable patents in that
country that you have reason to believe are valid.
If, pursuant to or in connection with a single transaction or
arrangement, you convey, or propagate by procuring conveyance of, a
covered work, and grant a patent license to some of the parties
receiving the covered work authorizing them to use, propagate, modify
or convey a specific copy of the covered work, then the patent license
you grant is automatically extended to all recipients of the covered
work and works based on it.
A patent license is ``discriminatory'' if it does not include within the
scope of its coverage, prohibits the exercise of, or is conditioned on
the non-exercise of one or more of the rights that are specifically
granted under this License. You may not convey a covered work if you
are a party to an arrangement with a third party that is in the
business of distributing software, under which you make payment to the
third party based on the extent of your activity of conveying the
work, and under which the third party grants, to any of the parties
who would receive the covered work from you, a discriminatory patent
license (a) in connection with copies of the covered work conveyed by
you (or copies made from those copies), or (b) primarily for and in
connection with specific products or compilations that contain the
covered work, unless you entered into that arrangement, or that patent
license was granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or limiting
any implied license or other defenses to infringement that may
otherwise be available to you under applicable patent law.
@item No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot convey
a covered work so as to satisfy simultaneously your obligations under
this License and any other pertinent obligations, then as a
consequence you may not convey it at all. For example, if you agree
to terms that obligate you to collect a royalty for further conveying
from those to whom you convey the Program, the only way you could
satisfy both those terms and this License would be to refrain entirely
from conveying the Program.
@item Use with the GNU Affero General Public License.
Notwithstanding any other provision of this License, you have
permission to link or combine any covered work with a work licensed
under version 3 of the GNU Affero General Public License into a single
combined work, and to convey the resulting work. The terms of this
License will continue to apply to the part which is the covered work,
but the special requirements of the GNU Affero General Public License,
section 13, concerning interaction through a network will apply to the
combination as such.
@item Revised Versions of this License.
The Free Software Foundation may publish revised and/or new versions
of the GNU General Public License from time to time. Such new
versions will be similar in spirit to the present version, but may
differ in detail to address new problems or concerns.
Each version is given a distinguishing version number. If the Program
specifies that a certain numbered version of the GNU General Public
License ``or any later version'' applies to it, you have the option of
following the terms and conditions either of that numbered version or
of any later version published by the Free Software Foundation. If
the Program does not specify a version number of the GNU General
Public License, you may choose any version ever published by the Free
Software Foundation.
If the Program specifies that a proxy can decide which future versions
of the GNU General Public License can be used, that proxy's public
statement of acceptance of a version permanently authorizes you to
choose that version for the Program.
Later license versions may give you additional or different
permissions. However, no additional obligations are imposed on any
author or copyright holder as a result of your choosing to follow a
later version.
@item Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM ``AS IS'' WITHOUT
WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND
PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE
DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR
CORRECTION.
@item Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR
CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT
NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR
LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM
TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER
PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
@item Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
@end enumerate
@iftex
@heading END OF TERMS AND CONDITIONS
@end iftex
@ifinfo
@center END OF TERMS AND CONDITIONS
@end ifinfo
@unnumberedsec How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
possible use to the public, the best way to achieve this is to make it
free software which everyone can redistribute and change under these
terms.
To do so, attach the following notices to the program. It is safest
to attach them to the start of each source file to most effectively
state the exclusion of warranty; and each file should have at least
the ``copyright'' line and a pointer to where the full notice is
found.
@example
@var{one line to give the program's name and a brief idea of what it does.}
Copyright (C) @var{year} @var{name of author}
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or (at
your option) any later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see @url{http://www.gnu.org/licenses/}.
@end example
@noindent
Also add information on how to contact you by electronic and paper mail.
@noindent
If the program does terminal interaction, make it output a short
notice like this when it starts in an interactive mode:
@smallexample
@var{program} Copyright (C) @var{year} @var{name of author}
This program comes with ABSOLUTELY NO WARRANTY; for details
type @samp{show w}. This is free software, and you are
welcome to redistribute it under certain conditions;
type @samp{show c} for details.
@end smallexample
The hypothetical commands @samp{show w} and @samp{show c} should show
the appropriate parts of the General Public License. Of course, your
program's commands might be different; for a GUI interface, you would
use an ``about box''.
You should also get your employer (if you work as a programmer) or school,
if any, to sign a ``copyright disclaimer'' for the program, if necessary.
For more information on this, and how to apply and follow the GNU GPL, see
@url{http://www.gnu.org/licenses/}.
The GNU General Public License does not permit incorporating your
program into proprietary programs. If your program is a subroutine
library, you may consider it more useful to permit linking proprietary
applications with the library. If this is what you want to do, use
the GNU Lesser General Public License instead of this License. But
first, please read @url{http://www.gnu.org/philosophy/why-not-lgpl.html}.

244
gnuk/chopstx/entry.c
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@ -1,244 +0,0 @@
/*
* entry.c - Entry routine when reset and interrupt vectors.
*
* Copyright (C) 2013, 2014, 2015, 2016, 2017
* Flying Stone Technology
* Author: NIIBE Yutaka <gniibe@fsij.org>
*
* This file is a part of Chopstx, a thread library for embedded.
*
* Chopstx is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Chopstx is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As additional permission under GNU GPL version 3 section 7, you may
* distribute non-source form of the Program without the copy of the
* GNU GPL normally required by section 4, provided you inform the
* receipents of GNU GPL by a written offer.
*
*/
#include <stdint.h>
#include <stdlib.h>
#include <chopstx.h>
#include "board.h"
#ifdef GNU_LINUX_EMULATION
int emulated_main (int, const char **);
void chx_init (struct chx_thread *);
void chx_systick_init (void);
extern struct chx_thread main_thread;
int
main (int argc, const char *argv[])
{
chx_init (&main_thread);
chx_systick_init ();
emulated_main (argc, argv);
}
#else
#if defined(USE_SYS3) || defined(USE_SYS_CLOCK_GPIO_SETTING)
#define REQUIRE_CLOCK_GPIO_SETTING_IN_SYS
#include "sys.h"
/*
* Avoid medium density specific code and prepare for high density
* device, too.
*/
#undef STM32F10X_MD
#else
#if defined (MCU_KINETIS_L)
#include "mcu/clk_gpio_init-mkl27z.c"
#else
#include "mcu/clk_gpio_init-stm32.c"
#endif
#endif
#ifdef MAKE_ENTRY_PUBLIC
#define STATIC_ENTRY
#else
#define STATIC_ENTRY static
#endif
extern uint8_t __main_stack_end__;
#if defined(__ARM_ARCH_7M__)
extern void svc (void);
#endif
extern void preempt (void);
extern void chx_timer_expired (void);
extern void chx_handle_intr (void);
static void nmi (void)
{
for (;;);
}
static void hard_fault (void)
{
for (;;);
}
static void mem_manage (void)
{
for (;;);
}
static void bus_fault (void)
{
for (;;);
}
static void usage_fault (void)
{
for (;;);
}
static void none (void)
{
}
#define C_S_SUB(arg0, arg1, arg2) arg0 #arg1 arg2
#define COMPOSE_STATEMENT(arg0,arg1,arg2) C_S_SUB (arg0, arg1, arg2)
#if defined(__ARM_ARCH_6M__)
__attribute__ ((used,section(".bss.startup.0")))
uint32_t vectors_in_ram[48];
#endif
/*
* This routine only changes PSP and not MSP.
*/
STATIC_ENTRY __attribute__ ((naked,section(".text.startup.0")))
void
entry (void)
{
asm volatile ("bl clock_init\n\t"
/* Clear BSS section. */
"mov r0, #0\n\t"
"ldr r1, =_bss_start\n\t"
"ldr r2, =_bss_end\n"
"0:\n\t"
"cmp r1, r2\n\t"
"beq 1f\n\t"
#if defined(__ARM_ARCH_6M__)
"str r0, [r1]\n\t"
"add r1, #4\n\t"
#else
"str r0, [r1], #4\n\t"
#endif
"b 0b\n"
"1:\n\t"
/* Copy data section. */
"ldr r1, =_data\n\t"
"ldr r2, =_edata\n\t"
"ldr r3, =_textdata\n"
"2:\n\t"
"cmp r1, r2\n\t"
"beq 3f\n\t"
#if defined(__ARM_ARCH_6M__)
"ldr r0, [r3]\n\t"
"str r0, [r1]\n\t"
"add r3, #4\n\t"
"add r1, #4\n\t"
#else
"ldr r0, [r3], #4\n\t"
"str r0, [r1], #4\n\t"
#endif
"b 2b\n"
"3:\n\t"
/* Switch to PSP. */
"ldr r0, =__process0_stack_end__\n\t"
COMPOSE_STATEMENT ("sub r0, #", CHOPSTX_THREAD_SIZE, "\n\t")
"msr PSP, r0\n\t" /* Process (main routine) stack. */
"mov r1, #2\n\t"
"msr CONTROL, r1\n\t"
"isb\n\t"
"bl chx_init\n\t"
"bl chx_systick_init\n\t"
"bl gpio_init\n\t"
/* Enable interrupts. */
#if defined(__ARM_ARCH_7M__)
"mov r0, #0\n\t"
"msr BASEPRI, r0\n\t"
#endif
"cpsie i\n\t"
/* Call main. */
"mov r1, r0\n\t"
"bl main\n"
"4:\n\t"
"b 4b"
: /* no output */ : /* no input */ : "memory");
}
typedef void (*handler)(void);
handler vector_table[] __attribute__ ((section(".startup.vectors"))) = {
(handler)(&__main_stack_end__ - 32),
entry,
nmi, /* nmi */
hard_fault, /* hard fault */
/* 0x10 */
mem_manage, /* mem manage */
bus_fault, /* bus fault */
usage_fault, /* usage fault */
none,
/* 0x20 */
none, none, none, /* reserved */
#if defined(__ARM_ARCH_6M__)
none, /* SVCall */
#elif defined(__ARM_ARCH_7M__)
svc, /* SVCall */
#endif
none, /* Debug */
none, /* reserved */
preempt, /* PendSV */
chx_timer_expired, /* SysTick */
/* 0x40 */
chx_handle_intr /* WWDG */, chx_handle_intr /* PVD */,
chx_handle_intr /* TAMPER */, chx_handle_intr /* RTC */,
chx_handle_intr /* FLASH */, chx_handle_intr /* RCC */,
chx_handle_intr /* EXTI0 */, chx_handle_intr /* EXTI1 */,
/* 0x60 */
chx_handle_intr /* EXTI2 */, chx_handle_intr /* EXTI3 */,
chx_handle_intr /* EXTI4 */, chx_handle_intr /* DMA1 CH1 */,
chx_handle_intr /* DMA1 CH2 */, chx_handle_intr /* DMA1 CH3 */,
chx_handle_intr /* DMA1 CH4 */, chx_handle_intr /* DMA1 CH5 */,
/* 0x80 */
chx_handle_intr /* DMA1 CH6 */, chx_handle_intr /* DMA1 CH7 */,
chx_handle_intr /* ADC1_2 */, chx_handle_intr /* USB HP */,
/* 0x90 */
chx_handle_intr /* USB LP */, chx_handle_intr /* CAN RX1 */,
chx_handle_intr /* CAN SCE */, chx_handle_intr /* EXT9_5 */,
/* 0xa0 */
/* ... and more. TIMx, I2C, SPI, USART... */
chx_handle_intr, chx_handle_intr, chx_handle_intr, chx_handle_intr,
chx_handle_intr, chx_handle_intr, chx_handle_intr, chx_handle_intr,
/* 0xc0 */
#if !defined(__ARM_ARCH_6M__)
/* STM32F0 doesn't have more. */
chx_handle_intr, chx_handle_intr, chx_handle_intr, chx_handle_intr,
chx_handle_intr, chx_handle_intr, chx_handle_intr, chx_handle_intr,
/* 0xe0 */
chx_handle_intr /* EXT15_10 */, chx_handle_intr /* RTCAlarm */,
chx_handle_intr /* USBWakeup */, chx_handle_intr,
#endif
#if !defined(STM32F10X_MD)
/* High-density chips have more; ... DMA2_Channel4_5 */
chx_handle_intr, chx_handle_intr, chx_handle_intr, chx_handle_intr,
chx_handle_intr, chx_handle_intr, chx_handle_intr, chx_handle_intr,
chx_handle_intr, chx_handle_intr, chx_handle_intr, chx_handle_intr,
chx_handle_intr, chx_handle_intr, chx_handle_intr, chx_handle_intr,
#endif
};
#endif

145
gnuk/chopstx/eventflag.c
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@ -1,145 +0,0 @@
/*
* eventflag.c - Eventflag
*
* Copyright (C) 2013, 2016, 2018 Flying Stone Technology
* Author: NIIBE Yutaka <gniibe@fsij.org>
*
* This file is a part of Chopstx, a thread library for embedded.
*
* Chopstx is free software: you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* Chopstx is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As additional permission under GNU GPL version 3 section 7, you may
* distribute non-source form of the Program without the copy of the
* GNU GPL normally required by section 4, provided you inform the
* receipents of GNU GPL by a written offer.
*
*/
#include <stdint.h>
#include <stdlib.h>
#include <chopstx.h>
#include <eventflag.h>
void
eventflag_init (struct eventflag *ev)
{
ev->flags = 0;
ev->mask = ~0;
chopstx_cond_init (&ev->cond);
chopstx_mutex_init (&ev->mutex);
}
void
eventflag_set_mask (struct eventflag *ev, eventmask_t m)
{
chopstx_mutex_lock (&ev->mutex);
ev->mask = m;
if ((ev->flags & ev->mask))
chopstx_cond_signal (&ev->cond);
chopstx_mutex_unlock (&ev->mutex);
}
static int
eventflag_check (void *arg)
{
struct eventflag *ev = arg;
return (ev->flags & ev->mask) != 0;
}
void
eventflag_prepare_poll (struct eventflag *ev, chopstx_poll_cond_t *poll_desc)
{
poll_desc->type = CHOPSTX_POLL_COND;
poll_desc->ready = 0;
poll_desc->cond = &ev->cond;
poll_desc->mutex = &ev->mutex;
poll_desc->check = eventflag_check;
poll_desc->arg = ev;
}
/* When multiple events are marked, event with lower bit has precedence.
Because __builtin_ffs returns the least significant 1-bit. */
eventmask_t
eventflag_get (struct eventflag *ev)
{
int n;
eventmask_t m;
chopstx_mutex_lock (&ev->mutex);
n = __builtin_ffs ((ev->flags & ev->mask));
if (n)
{
m = (1 << (n - 1));
ev->flags &= ~m;
}
else
m = 0;
chopstx_mutex_unlock (&ev->mutex);
return m;
}
eventmask_t
eventflag_wait (struct eventflag *ev)
{
int n;
eventmask_t m;
chopstx_mutex_lock (&ev->mutex);
while (!(ev->flags & ev->mask))
chopstx_cond_wait (&ev->cond, &ev->mutex);
n = __builtin_ffs ((ev->flags & ev->mask));
if (n) /* Always n > 0 when waked up, but make sure no bad things. */
{
m = (1 << (n - 1));
ev->flags &= ~m;
}
else
m = 0;
chopstx_mutex_unlock (&ev->mutex);
return m;
}
eventmask_t
eventflag_wait_timeout (struct eventflag *ev, uint32_t usec)
{
chopstx_poll_cond_t poll_desc;
struct chx_poll_head *pd_array[1] = { (struct chx_poll_head *)&poll_desc };
eventflag_prepare_poll (ev, &poll_desc);
chopstx_poll (&usec, 1, pd_array);
return eventflag_get (ev);
}
void
eventflag_signal (struct eventflag *ev, eventmask_t m)
{
chopstx_mutex_lock (&ev->mutex);
ev->flags |= m;
if ((ev->flags & ev->mask))
chopstx_cond_signal (&ev->cond);
chopstx_mutex_unlock (&ev->mutex);
}

18
gnuk/chopstx/eventflag.h
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@ -1,18 +0,0 @@
typedef uint32_t eventmask_t;
struct eventflag {
eventmask_t flags;
eventmask_t mask;
chopstx_mutex_t mutex;
chopstx_cond_t cond;
};
void eventflag_init (struct eventflag *ev);
void eventflag_set_mask (struct eventflag *ev, eventmask_t m);
eventmask_t eventflag_wait (struct eventflag *ev);
eventmask_t eventflag_wait_timeout (struct eventflag *ev, uint32_t usec);
void eventflag_signal (struct eventflag *ev, eventmask_t m);
/* For polling */
void eventflag_prepare_poll (struct eventflag *ev, chopstx_poll_cond_t *p);
eventmask_t eventflag_get (struct eventflag *ev);

43
gnuk/chopstx/example-cdc-gnu-linux/Makefile
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@ -1,43 +0,0 @@
# Makefile for example application of Chopstx
PROJECT = sample
### This is for GNU/Linux
CHOPSTX = ..
LDSCRIPT=
CSRC = sample.c usb-cdc.c command.c
CHIP=gnu-linux
USE_SYS = yes
USE_USB = yes
USE_ADC = yes
EMULATION=yes
###################################
CROSS =
CC = $(CROSS)gcc
LD = $(CROSS)gcc
OBJCOPY = $(CROSS)objcopy
MCU = none
CWARN = -Wall -Wextra -Wstrict-prototypes
DEFS = -DGNU_LINUX_EMULATION -DUSE_SYS_BOARD_ID
OPT = -g # -O3 -Os
LIBS = -lpthread
####################
include ../rules.mk
board.h:
@echo Please make a symbolic link \'board.h\' to a file in ../board;
@exit 1
distclean: clean
build/flash.data: Makefile
@echo 'Generating 8192-byte flash.data'
@/bin/echo -n -e '\xff\xff\xff\xff\xff\xff\xff\xff' >$@
@for i in $(shell seq 1023); do /bin/echo -n -e '\xff\xff\xff\xff\xff\xff\xff\xff' >>$@; done

41
gnuk/chopstx/example-cdc-gnu-linux/README
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@ -1,41 +0,0 @@
(0) Build and generate initial flash data
$ make
$ make build/flash.data
(1) preparation as root
Don't run ModemManager
# systemctl stop ModemManager
Install USBIP host module
# modprobe vhci_hcd
(2) Run sample program of USBIP server
$ ./sample
(3) Use the USB device as root
Attach the Chopstx application program (USBIP device) to USBIP host.
# usbip attach -r 127.0.0.1 -b 1-1
(4) Connect CDC-ACM device
$ cu -l /dev/ttyACM0
Then, you see the message from Chopstx. As you type lines, it echos.
Type RET, ~ then . , you can terminate the session.
(5) Detach the USBIP device as root
# usbip detach -p 0

0
gnuk/chopstx/example-cdc-gnu-linux/board.h
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579
gnuk/chopstx/example-cdc-gnu-linux/command.c
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@ -1,579 +0,0 @@
#include <string.h>
#include <stdint.h>
#include <chopstx.h>
#include "tty.h"
#include "config.h"
#ifdef ADC_SUPPORT
#include "adc.h"
static int adc_initialized = 0;
#endif
#include "board.h"
#include "sys.h"
struct command_table
{
const char *name;
void (*handler) (struct tty *tty, const char *line);
};
/*
* Put a line (or lines) to TTY.
* LINE should be terminated with newline.
*/
static void
put_line (struct tty *tty, const char *line)
{
tty_send (tty, line, strlen (line));
}
static const char *help_string =
"mdb ADDR [COUNT]; memory display byte\r\n"
"mwh ADDR VALUE [COUNT]; memory write halfword\r\n"
"fes ADDR [COUNT]; flash erase sector\r\n"
"fwh ADDR VALUE [COUNT]; flash write halfword\r\n"
#ifdef CRC32_SUPPORT
"crc32 string; CRC32 calc string\r\n"
#endif
#ifdef ADC_SUPPORT
"adc; get 256-byte from ADC\r\n"
#endif
"sysinfo; system information\r\n"
"help\r\n";
static char hexchar (uint8_t x)
{
x &= 0x0f;
if (x <= 0x09)
return '0' + x;
else if (x <= 0x0f)
return 'a' + x - 10;
else
return '?';
}
#ifdef TOUCH_SUPPORT
static char *
compose_decimal (char *s, int value)
{
uint32_t v;
int col = 1000000000;
int d;
int digit_output = 0;
if (value < 0)
{
*s++ = '-';
v = 1 + ~((uint32_t)value);
}
else
v = (uint32_t)value;
while (col >= 10)
{
if (v >= (uint32_t)col)
{
d = v / col;
v = v - d * col;
*s++ = d + '0';
digit_output = 1;
}
else if (digit_output)
*s++ = '0';
col = col / 10;
}
*s++ = v + '0';
return s;
}
#endif
char *
compose_hex_ptr (char *s, uintptr_t v)
{
s[0] = hexchar (v >> 60);
s[1] = hexchar (v >> 56);
s[2] = hexchar (v >> 52);
s[3] = hexchar (v >> 48);
s[4] = hexchar (v >> 44);
s[5] = hexchar (v >> 40);
s[6] = hexchar (v >> 36);
s[7] = hexchar (v >> 32);
s[8] = hexchar (v >> 28);
s[9] = hexchar (v >> 24);
s[10] = hexchar (v >> 20);
s[11] = hexchar (v >> 16);
s[12] = hexchar (v >> 12);
s[13] = hexchar (v >> 8);
s[14] = hexchar (v >> 4);
s[15] = hexchar (v);
return s+16;
}
static char *
compose_hex (char *s, uint32_t v)
{
s[0] = hexchar (v >> 28);
s[1] = hexchar (v >> 24);
s[2] = hexchar (v >> 20);
s[3] = hexchar (v >> 16);
s[4] = hexchar (v >> 12);
s[5] = hexchar (v >> 8);
s[6] = hexchar (v >> 4);
s[7] = hexchar (v);
return s+8;
}
static char *
compose_hex_byte (char *s, uint8_t v)
{
s[0] = hexchar (v >> 4);
s[1] = hexchar (v);
return s+2;
}
static const char *
get_hex (struct tty *tty, const char *s, uintptr_t *v_p)
{
uintptr_t v = 0;
char c;
if (s[0] == '0' && s[1] == 'x')
s = s + 2;
while (1)
{
c = *s++;
if (c == 0)
{
s--;
break;
}
if (c == ' ')
break;
v = (v << 4);
if (c >= '0' && c <= '9')
v += (c - '0');
else if (c >= 'a' && c <= 'f')
v += (c - 'a') + 10;
else if (c >= 'A' && c <= 'F')
v += (c - 'A') + 10;
else
{
put_line (tty, "hex error\r\n");
return NULL;
}
}
*v_p = v;
return s;
}
#ifdef TOUCH_SUPPORT
#define TOUCH_VALUE_HIGH 100
#define TOUCH_VALUE_LOW 50
static void
cmd_button (struct tty *tty, const char *line)
{
int i = 0;
extern uint16_t touch_get (void);
uint16_t v0 = 0;
int touched = 0;
(void)line;
put_line (tty, "Please touch the bear.\r\n");
while (i < 16)
{
uint16_t v = touch_get ();
v0 = (v0 * 2 + v)/3;
if (touched == 0 && v0 > TOUCH_VALUE_HIGH)
{
tty_send (tty, "!", 1);
touched = 1;
}
else if (touched == 1 && v0 < TOUCH_VALUE_LOW)
{
tty_send (tty, ".", 1);
touched = 0;
i++;
}
chopstx_usec_wait (10*1000);
}
tty_send (tty, "\r\n", 2);
}
static void
cmd_touch (struct tty *tty, const char *line)
{
int i;
extern uint16_t touch_get (void);
(void)line;
put_line (tty, "Please touch the bear.\r\n");
for (i = 0; i < 20; i++)
{
uint16_t v;
char output[8];
char *s;
chopstx_usec_wait (1000*1000);
v = touch_get ();
s = compose_decimal (output, v);
*s++ = '\r';
*s++ = '\n';
tty_send (tty, output, s - output);
}
}
#endif
static void
cmd_mdb (struct tty *tty, const char *line)
{
int i;
uintptr_t addr = 0;
int count = 0;
char c;
const char *s = line;
s = get_hex (tty, s, &addr);
addr &= ~3;
if (s == NULL)
return;
if (*s == 0)
count = 1;
else
{
while (1)
{
c = *s++;
if (c == 0 || c == ' ')
break;
count = count * 10;
if (c >= '0' && c <= '9')
count += c - '0';
else
{
put_line (tty, "mdb error\r\n");
return;
}
}
}
i = 0;
while (i < count)
{
uint8_t v;
char output[68];
char *s;
s = compose_hex_ptr (output, addr);
*s++ = ':';
*s++ = ' ';
while (1)
{
v = *(uint8_t *)addr;
s = compose_hex_byte (s, v);
i++;
addr += 1;
if (i >= count || (i % 16) == 0)
break;
*s++ = ' ';
}
*s++ = '\r';
*s++ = '\n';
tty_send (tty, output, s - output);
}
}
static void
cmd_mwh (struct tty *tty, const char *line)
{
(void)tty;
(void)line;
put_line (tty, "mwh not yet supported\r\n");
}
static void
cmd_fes (struct tty *tty, const char *line)
{
int i;
uintptr_t addr = 0;
int count = 0;
char c;
const char *s = line;
s = get_hex (tty, s, &addr);
if (s == NULL)
return;
if (*s == 0)
count = 1;
else
{
while (1)
{
c = *s++;
if (c == 0 || c == ' ')
break;
count = count * 10;
if (c >= '0' && c <= '9')
count += c - '0';
else
{
put_line (tty, "fww error\r\n");
return;
}
}
}
for (i = 0; i < count; i++)
{
flash_erase_page (addr);
addr += 1024;
}
}
static void
cmd_fwh (struct tty *tty, const char *line)
{
int i;
uintptr_t addr = 0;
uintptr_t d;
uint16_t value = 0;
int count = 0;
char c;
const char *s = line;
s = get_hex (tty, s, &addr);
if (s == NULL)
return;
if (*s == 0)
return;
s = get_hex (tty, s, &d);
value = (uint16_t)d;
if (s == NULL)
return;
if (*s == 0)
count = 1;
else
{
while (1)
{
c = *s++;
if (c == 0 || c == ' ')
break;
count = count * 10;
if (c >= '0' && c <= '9')
count += c - '0';
else
{
put_line (tty, "fww error\r\n");
return;
}
}
}
for (i = 0; i < count; i++)
{
flash_program_halfword (addr, value);
addr += 4;
}
}
#ifdef CRC32_SUPPORT
static unsigned int crc_value;
static void
cmd_crc32 (struct tty *tty, const char *line)
{
uint32_t v;
char string[10];
char *s;
crc32_init (&crc_value);
while (*line)
crc32_u8 (&crc_value, *line++);
v = crc_value ^ 0xffffffff;
s = compose_hex (string, v);
*s++ = '\r';
*s++ = '\n';
tty_send (tty, string, sizeof (string));
}
#endif
#ifdef ADC_SUPPORT
static void
cmd_adc (struct tty *tty, const char *line)
{
int i;
char output[73];
char *s;
(void)line;
if (!adc_initialized)
{
if (adc_init ())
{
put_line (tty, "adc_init error\r\n");
return;
}
else
{
adc_start ();
adc_initialized = 1;
}
}
adc_start_conversion (0, 64);
adc_wait_completion ();
i = 0;
s = output;
while (1)
{
s = compose_hex (s, adc_buf[i]);
i++;
if ((i % 8))
*s++ = ' ';
else
{
*s++ = '\r';
*s++ = '\n';
tty_send (tty, output, s - output);
s = output;
if (i >= 64)
break;
}
}
}
#endif
static void
cmd_sysinfo (struct tty *tty, const char *line)
{
char output[73];
char *s;
int i;
(void)line;
memcpy (output, "SYS version: ", 13);
s = output + 13;
*s++ = sys_version[2];
*s++ = sys_version[4];
*s++ = sys_version[6];
*s++ = '\r';
*s++ = '\n';
tty_send (tty, output, s - output);
memcpy (output, "Board ID: ", 10);
s = output + 10;
s = compose_hex (s, sys_board_id);
*s++ = '\r';
*s++ = '\n';
tty_send (tty, output, s - output);
memcpy (output, "Board name: ", 12);
s = output + 12;
for (i = 0; i < (int)sizeof (output) - 2; i ++)
if ((*s = sys_board_name[i]) == 0)
break;
else
s++;
*s++ = '\r';
*s++ = '\n';
tty_send (tty, output, s - output);
}
static void
cmd_help (struct tty *tty, const char *line)
{
(void)line;
put_line (tty, help_string);
}
struct command_table command_table[] = {
#ifdef TOUCH_SUPPORT
{ "button", cmd_button },
{ "touch", cmd_touch },
#endif
{ "mdb", cmd_mdb },
{ "mwh", cmd_mwh },
{ "fes", cmd_fes },
{ "fwh", cmd_fwh },
#ifdef CRC32_SUPPORT
{ "crc32", cmd_crc32 },
#endif
#ifdef ADC_SUPPORT
{ "adc", cmd_adc },
#endif
{ "sysinfo", cmd_sysinfo },
{ "help", cmd_help },
};
#define N_CMDS (int)(sizeof (command_table) / sizeof (struct command_table))
/*
* Dispatch a command parsing LINE.
* Line is NULL terminated with no newline.
*/
void
cmd_dispatch (struct tty *tty, const char *line)
{
int i;
const char *p;
unsigned int n = 0;
p = line;
while (*p)
{
if (*p++ == ' ')
break;
n++;
}
for (i = 0; i < N_CMDS; i++)
if (n == strlen (command_table[i].name)
&& strncmp ((const char *)line, command_table[i].name, n) == 0)
break;
if (i != N_CMDS)
(*command_table[i].handler) (tty, p);
else
{
char crlf[] = { '\r', '\n' };
put_line (tty, "No such command: ");
tty_send (tty, line, n);
tty_send (tty, crlf, sizeof (crlf));
}
}

2
gnuk/chopstx/example-cdc-gnu-linux/command.h
View File

@ -1,2 +0,0 @@
void cmd_dispatch (struct tty *tty, const char *line);
char * compose_hex_ptr (char *s, uintptr_t v);

2
gnuk/chopstx/example-cdc-gnu-linux/config.h
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@ -1,2 +0,0 @@
#undef CRC32_SUPPORT
#define ADC_SUPPORT

197
gnuk/chopstx/example-cdc-gnu-linux/sample.c
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@ -1,197 +0,0 @@
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <ucontext.h>
#include <chopstx.h>
#include "sys.h"
#include "usb_lld.h"
#include "tty.h"
#include "command.h"
#include <unistd.h>
#include <stdio.h>
static chopstx_mutex_t mtx;
static chopstx_cond_t cnd0;
static chopstx_cond_t cnd1;
static uint8_t u, v;
static uint8_t m; /* 0..100 */
static void *
pwm (void *arg)
{
(void)arg;
chopstx_mutex_lock (&mtx);
chopstx_cond_wait (&cnd0, &mtx);
chopstx_mutex_unlock (&mtx);
while (1)
{
set_led (u&v);
chopstx_usec_wait (m);
set_led (0);
chopstx_usec_wait (100-m);
}
return NULL;
}
static void *
blk (void *arg)
{
(void)arg;
chopstx_mutex_lock (&mtx);
chopstx_cond_wait (&cnd1, &mtx);
chopstx_mutex_unlock (&mtx);
while (1)
{
v = 0;
chopstx_usec_wait (200*1000);
v = 1;
chopstx_usec_wait (200*1000);
}
return NULL;
}
#define PRIO_PWM 3
#define PRIO_BLK 2
static char __process1_stack_base__[4096];
static char __process2_stack_base__[4096];
#define STACK_ADDR_PWM ((uintptr_t)__process1_stack_base__)
#define STACK_SIZE_PWM (sizeof __process1_stack_base__)
#define STACK_ADDR_BLK ((uintptr_t)__process2_stack_base__)
#define STACK_SIZE_BLK (sizeof __process2_stack_base__)
static char hexchar (uint8_t x)
{
x &= 0x0f;
if (x <= 0x09)
return '0' + x;
else if (x <= 0x0f)
return 'a' + x - 10;
else
return '?';
}
#ifdef GNU_LINUX_EMULATION
#define main emulated_main
#endif
int
main (int argc, const char *argv[])
{
struct tty *tty;
uint8_t count;
uintptr_t addr;
if (argc >= 2 && !strncmp (argv[1], "--debug=", 8))
debug = strtol (&argv[1][8], NULL, 10);
chopstx_mutex_init (&mtx);
chopstx_cond_init (&cnd0);
chopstx_cond_init (&cnd1);
m = 10;
chopstx_create (PRIO_PWM, STACK_ADDR_PWM, STACK_SIZE_PWM, pwm, NULL);
chopstx_create (PRIO_BLK, STACK_ADDR_BLK, STACK_SIZE_BLK, blk, NULL);
chopstx_usec_wait (200*1000);
chopstx_mutex_lock (&mtx);
chopstx_cond_signal (&cnd0);
chopstx_cond_signal (&cnd1);
chopstx_mutex_unlock (&mtx);
addr = flash_init ("flash.data");
flash_unlock ();
u = 1;
tty = tty_open ();
tty_wait_configured (tty);
count = 0;
m = 50;
while (1)
{
char s[LINEBUFSIZE];
connection_loop:
u = 1;
tty_wait_connection (tty);
chopstx_usec_wait (50*1000);
puts("send ZLP");
/* Send ZLP at the beginning. */
tty_send (tty, s, 0);
memcpy (s, "xx: Hello, World with Chopstx!\r\n", 32);
s[0] = hexchar (count >> 4);
s[1] = hexchar (count & 0x0f);
puts("send hello");
if (tty_send (tty, s, 32) < 0)
continue;
s[0] = hexchar (count >> 4);
s[1] = hexchar (count & 0x0f);
s[2] = ':';
s[3] = ' ';
compose_hex_ptr (s+4, addr);
s[20] = '\r';
s[21] = '\n';
count++;
if (tty_send (tty, s, 22) < 0)
continue;
while (1)
{
uint32_t usec;
/* Prompt */
if (tty_send (tty, "> ", 2) < 0)
break;
usec = 3000000; /* 3.0 seconds */
while (1)
{
int size = tty_recv (tty, s, &usec);
u ^= 1;
if (size < 0)
goto connection_loop;
if (size == 1)
/* Do nothing but prompt again. */
break;
else if (size)
{
/* Newline into NUL */
s[size - 1] = 0;
cmd_dispatch (tty, (char *)s);
break;
}
}
}
}
return 0;
}

9
gnuk/chopstx/example-cdc-gnu-linux/tty.h
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@ -1,9 +0,0 @@
#define LINEBUFSIZE 128
struct tty;
struct tty *tty_open (void);
void tty_wait_configured (struct tty *tty);
void tty_wait_connection (struct tty *tty);
int tty_send (struct tty *tty, const char *buf, int count);
int tty_recv (struct tty *tty, char *buf, uint32_t *timeout);

952
gnuk/chopstx/example-cdc-gnu-linux/usb-cdc.c
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@ -1,952 +0,0 @@
#include <stdint.h>
#include <stdlib.h>
#include <chopstx.h>
#include <string.h>
#include "usb_lld.h"
#include "tty.h"
static chopstx_intr_t usb_intr;
struct line_coding
{
uint32_t bitrate;
uint8_t format;
uint8_t paritytype;
uint8_t datatype;
} __attribute__((packed));
static const struct line_coding line_coding0 = {
115200, /* baud rate: 115200 */
0x00, /* stop bits: 1 */
0x00, /* parity: none */
0x08 /* bits: 8 */
};
/*
* Currently, we only support a single TTY.
*
* It is possible to extend to support multiple TTYs, for multiple
* interfaces.
*
* In that case, add argument to TTY_OPEN function and
* modify TTY_GET function to get the TTY structure. Functions which
* directy accesses TTY0 (usb_device_reset and usb_set_configuration)
* should be modified, too.
*
* Modification of TTY_MAIN thread will be also needed to echo back
* input for each TTY, and the thread should run if one of TTY is
* opened.
*/
struct tty {
chopstx_mutex_t mtx;
chopstx_cond_t cnd;
uint8_t inputline[LINEBUFSIZE]; /* Line editing is supported */
uint8_t send_buf[LINEBUFSIZE]; /* Sending ring buffer for echo back */
uint8_t send_buf0[64];
uint8_t recv_buf0[64];
uint32_t inputline_len : 8;
uint32_t send_head : 8;
uint32_t send_tail : 8;
uint32_t flag_connected : 1;
uint32_t flag_send_ready : 1;
uint32_t flag_input_avail : 1;
uint32_t : 2;
uint32_t device_state : 3; /* USB device status */
struct line_coding line_coding;
};
static struct tty tty0;
/*
* Locate TTY structure from interface number or endpoint number.
* Currently, it always returns tty0, because we only have the one.
*/
static struct tty *
tty_get (int interface, uint8_t ep_num)
{
struct tty *t = &tty0;
if (interface >= 0)
{
if (interface == 0)
t = &tty0;
}
else
{
if (ep_num == ENDP1 || ep_num == ENDP2 || ep_num == ENDP3)
t = &tty0;
}
return t;
}
#define USB_CDC_REQ_SET_LINE_CODING 0x20
#define USB_CDC_REQ_GET_LINE_CODING 0x21
#define USB_CDC_REQ_SET_CONTROL_LINE_STATE 0x22
#define USB_CDC_REQ_SEND_BREAK 0x23
/* USB Device Descriptor */
static const uint8_t vcom_device_desc[18] = {
18, /* bLength */
DEVICE_DESCRIPTOR, /* bDescriptorType */
0x10, 0x01, /* bcdUSB = 1.1 */
0x02, /* bDeviceClass (CDC). */
0x00, /* bDeviceSubClass. */
0x00, /* bDeviceProtocol. */
0x40, /* bMaxPacketSize. */
0xFF, 0xFF, /* idVendor */
0x01, 0x00, /* idProduct */
0x00, 0x01, /* bcdDevice */
1, /* iManufacturer. */
2, /* iProduct. */
3, /* iSerialNumber. */
1 /* bNumConfigurations. */
};
#define VCOM_FEATURE_BUS_POWERED 0x80
/* Configuration Descriptor tree for a CDC.*/
static const uint8_t vcom_config_desc[67] = {
9,
CONFIG_DESCRIPTOR, /* bDescriptorType: Configuration */
/* Configuration Descriptor.*/
67, 0x00, /* wTotalLength. */
0x02, /* bNumInterfaces. */
0x01, /* bConfigurationValue. */
0, /* iConfiguration. */
VCOM_FEATURE_BUS_POWERED, /* bmAttributes. */
50, /* bMaxPower (100mA). */
/* Interface Descriptor.*/
9,
INTERFACE_DESCRIPTOR,
0x00, /* bInterfaceNumber. */
0x00, /* bAlternateSetting. */
0x01, /* bNumEndpoints. */
0x02, /* bInterfaceClass (Communications Interface Class,
CDC section 4.2). */
0x02, /* bInterfaceSubClass (Abstract Control Model, CDC
section 4.3). */
0x01, /* bInterfaceProtocol (AT commands, CDC section
4.4). */
0, /* iInterface. */
/* Header Functional Descriptor (CDC section 5.2.3).*/
5, /* bLength. */
0x24, /* bDescriptorType (CS_INTERFACE). */
0x00, /* bDescriptorSubtype (Header Functional Descriptor). */
0x10, 0x01, /* bcdCDC. */
/* Call Management Functional Descriptor. */
5, /* bFunctionLength. */
0x24, /* bDescriptorType (CS_INTERFACE). */
0x01, /* bDescriptorSubtype (Call Management Functional
Descriptor). */
0x03, /* bmCapabilities (D0+D1). */
0x01, /* bDataInterface. */
/* ACM Functional Descriptor.*/
4, /* bFunctionLength. */
0x24, /* bDescriptorType (CS_INTERFACE). */
0x02, /* bDescriptorSubtype (Abstract Control Management
Descriptor). */
0x02, /* bmCapabilities. */
/* Union Functional Descriptor.*/
5, /* bFunctionLength. */
0x24, /* bDescriptorType (CS_INTERFACE). */
0x06, /* bDescriptorSubtype (Union Functional
Descriptor). */
0x00, /* bMasterInterface (Communication Class
Interface). */
0x01, /* bSlaveInterface0 (Data Class Interface). */
/* Endpoint 2 Descriptor.*/
7,
ENDPOINT_DESCRIPTOR,
ENDP2|0x80, /* bEndpointAddress. */
0x03, /* bmAttributes (Interrupt). */
0x08, 0x00, /* wMaxPacketSize. */
0xFF, /* bInterval. */
/* Interface Descriptor.*/
9,
INTERFACE_DESCRIPTOR, /* bDescriptorType: */
0x01, /* bInterfaceNumber. */
0x00, /* bAlternateSetting. */
0x02, /* bNumEndpoints. */
0x0A, /* bInterfaceClass (Data Class Interface, CDC section 4.5). */
0x00, /* bInterfaceSubClass (CDC section 4.6). */
0x00, /* bInterfaceProtocol (CDC section 4.7). */
0x00, /* iInterface. */
/* Endpoint 3 Descriptor.*/
7,
ENDPOINT_DESCRIPTOR, /* bDescriptorType: Endpoint */
ENDP3, /* bEndpointAddress. */
0x02, /* bmAttributes (Bulk). */
0x40, 0x00, /* wMaxPacketSize. */
0x00, /* bInterval. */
/* Endpoint 1 Descriptor.*/
7,
ENDPOINT_DESCRIPTOR, /* bDescriptorType: Endpoint */
ENDP1|0x80, /* bEndpointAddress. */
0x02, /* bmAttributes (Bulk). */
0x40, 0x00, /* wMaxPacketSize. */
0x00 /* bInterval. */
};
/*
* U.S. English language identifier.
*/
static const uint8_t vcom_string0[4] = {
4, /* bLength */
STRING_DESCRIPTOR,
0x09, 0x04 /* LangID = 0x0409: US-English */
};
static const uint8_t vcom_string1[] = {
23*2+2, /* bLength */
STRING_DESCRIPTOR, /* bDescriptorType */
/* Manufacturer: "Flying Stone Technology" */
'F', 0, 'l', 0, 'y', 0, 'i', 0, 'n', 0, 'g', 0, ' ', 0, 'S', 0,
't', 0, 'o', 0, 'n', 0, 'e', 0, ' ', 0, 'T', 0, 'e', 0, 'c', 0,
'h', 0, 'n', 0, 'o', 0, 'l', 0, 'o', 0, 'g', 0, 'y', 0,
};
static const uint8_t vcom_string2[] = {
14*2+2, /* bLength */
STRING_DESCRIPTOR, /* bDescriptorType */
/* Product name: "Chopstx Sample" */
'C', 0, 'h', 0, 'o', 0, 'p', 0, 's', 0, 't', 0, 'x', 0, ' ', 0,
'S', 0, 'a', 0, 'm', 0, 'p', 0, 'l', 0, 'e', 0,
};
/*
* Serial Number string.
*/
static const uint8_t vcom_string3[28] = {
28, /* bLength */
STRING_DESCRIPTOR, /* bDescriptorType */
'0', 0, '.', 0, '0', 0, '0', 0, /* Version number */
};
#define NUM_INTERFACES 2
static void
usb_device_reset (struct usb_dev *dev)
{
usb_lld_reset (dev, VCOM_FEATURE_BUS_POWERED);
/* Initialize Endpoint 0 */
usb_lld_setup_endp (dev, ENDP0, 1, 1);
chopstx_mutex_lock (&tty0.mtx);
tty0.inputline_len = 0;
tty0.send_head = tty0.send_tail = 0;
tty0.flag_connected = 0;
tty0.flag_send_ready = 1;
tty0.flag_input_avail = 0;
tty0.device_state = USB_DEVICE_STATE_ATTACHED;
memcpy (&tty0.line_coding, &line_coding0, sizeof (struct line_coding));
chopstx_mutex_unlock (&tty0.mtx);
}
#define CDC_CTRL_DTR 0x0001
static void
usb_ctrl_write_finish (struct usb_dev *dev)
{
struct device_req *arg = &dev->dev_req;
uint8_t type_rcp = arg->type & (REQUEST_TYPE|RECIPIENT);
if (type_rcp == (CLASS_REQUEST | INTERFACE_RECIPIENT) && arg->index == 0
&& USB_SETUP_SET (arg->type)
&& arg->request == USB_CDC_REQ_SET_CONTROL_LINE_STATE)
{
struct tty *t = tty_get (arg->index, 0);
/* Open/close the connection. */
chopstx_mutex_lock (&t->mtx);
t->flag_connected = ((arg->value & CDC_CTRL_DTR) != 0);
chopstx_cond_signal (&t->cnd);
chopstx_mutex_unlock (&t->mtx);
}
/*
* The transaction was already finished. So, it is no use to call
* usb_lld_ctrl_error when the condition does not match.
*/
}
static int
vcom_port_data_setup (struct usb_dev *dev)
{
struct device_req *arg = &dev->dev_req;
if (USB_SETUP_GET (arg->type))
{
struct tty *t = tty_get (arg->index, 0);
if (arg->request == USB_CDC_REQ_GET_LINE_CODING)
return usb_lld_ctrl_send (dev, &t->line_coding,
sizeof (struct line_coding));
}
else /* USB_SETUP_SET (req) */
{
if (arg->request == USB_CDC_REQ_SET_LINE_CODING
&& arg->len == sizeof (struct line_coding))
{
struct tty *t = tty_get (arg->index, 0);
return usb_lld_ctrl_recv (dev, &t->line_coding,
sizeof (struct line_coding));
}
else if (arg->request == USB_CDC_REQ_SET_CONTROL_LINE_STATE)
return usb_lld_ctrl_ack (dev);
}
return -1;
}
static int
usb_setup (struct usb_dev *dev)
{
struct device_req *arg = &dev->dev_req;
uint8_t type_rcp = arg->type & (REQUEST_TYPE|RECIPIENT);
if (type_rcp == (CLASS_REQUEST | INTERFACE_RECIPIENT) && arg->index == 0)
return vcom_port_data_setup (dev);
return -1;
}
static int
usb_get_descriptor (struct usb_dev *dev)
{
struct device_req *arg = &dev->dev_req;
uint8_t rcp = arg->type & RECIPIENT;
uint8_t desc_type = (arg->value >> 8);
uint8_t desc_index = (arg->value & 0xff);
if (rcp != DEVICE_RECIPIENT)
return -1;
if (desc_type == DEVICE_DESCRIPTOR)
return usb_lld_ctrl_send (dev,
vcom_device_desc, sizeof (vcom_device_desc));
else if (desc_type == CONFIG_DESCRIPTOR)
return usb_lld_ctrl_send (dev,
vcom_config_desc, sizeof (vcom_config_desc));
else if (desc_type == STRING_DESCRIPTOR)
{
const uint8_t *str;
int size;
switch (desc_index)
{
case 0:
str = vcom_string0;
size = sizeof (vcom_string0);
break;
case 1:
str = vcom_string1;
size = sizeof (vcom_string1);
break;
case 2:
str = vcom_string2;
size = sizeof (vcom_string2);
break;
case 3:
str = vcom_string3;
size = sizeof (vcom_string3);
break;
default:
return -1;
}
return usb_lld_ctrl_send (dev, str, size);
}
return -1;
}
static void
vcom_setup_endpoints_for_interface (struct usb_dev *dev,
uint16_t interface, int stop)
{
if (interface == 0)
{
if (!stop)
usb_lld_setup_endp (dev, ENDP2, 0, 1);
else
usb_lld_stall_tx (ENDP2);
}
else if (interface == 1)
{
if (!stop)
{
usb_lld_setup_endp (dev, ENDP1, 0, 1);
usb_lld_setup_endp (dev, ENDP3, 1, 0);
/* Start with no data receiving (ENDP3 not enabled)*/
}
else
{
usb_lld_stall_tx (ENDP1);
usb_lld_stall_rx (ENDP3);
}
}
}
static int
usb_set_configuration (struct usb_dev *dev)
{
int i;
uint8_t current_conf;
current_conf = usb_lld_current_configuration (dev);
if (current_conf == 0)
{
if (dev->dev_req.value != 1)
return -1;
usb_lld_set_configuration (dev, 1);
for (i = 0; i < NUM_INTERFACES; i++)
vcom_setup_endpoints_for_interface (dev, i, 0);
chopstx_mutex_lock (&tty0.mtx);
tty0.device_state = USB_DEVICE_STATE_CONFIGURED;
chopstx_cond_signal (&tty0.cnd);
chopstx_mutex_unlock (&tty0.mtx);
}
else if (current_conf != dev->dev_req.value)
{
if (dev->dev_req.value != 0)
return -1;
usb_lld_set_configuration (dev, 0);
for (i = 0; i < NUM_INTERFACES; i++)
vcom_setup_endpoints_for_interface (dev, i, 1);
chopstx_mutex_lock (&tty0.mtx);
tty0.device_state = USB_DEVICE_STATE_ADDRESSED;
chopstx_cond_signal (&tty0.cnd);
chopstx_mutex_unlock (&tty0.mtx);
}
return usb_lld_ctrl_ack (dev);
}
static int
usb_set_interface (struct usb_dev *dev)
{
uint16_t interface = dev->dev_req.index;
uint16_t alt = dev->dev_req.value;
if (interface >= NUM_INTERFACES)
return -1;
if (alt != 0)
return -1;
else
{
vcom_setup_endpoints_for_interface (dev, interface, 0);
return usb_lld_ctrl_ack (dev);
}
}
static int
usb_get_interface (struct usb_dev *dev)
{
const uint8_t zero = 0;
uint16_t interface = dev->dev_req.index;
if (interface >= NUM_INTERFACES)
return -1;
/* We don't have alternate interface, so, always return 0. */
return usb_lld_ctrl_send (dev, &zero, 1);
}
static int
usb_get_status_interface (struct usb_dev *dev)
{
const uint16_t status_info = 0;
uint16_t interface = dev->dev_req.index;
if (interface >= NUM_INTERFACES)
return -1;
return usb_lld_ctrl_send (dev, &status_info, 2);
}
/*
* Put a character into the ring buffer to be send back.
*/
static void
put_char_to_ringbuffer (struct tty *t, int c)
{
uint32_t next = (t->send_tail + 1) % LINEBUFSIZE;
if (t->send_head == next)
/* full */
/* All that we can do is ignore this char. */
return;
t->send_buf[t->send_tail] = c;
t->send_tail = next;
}
/*
* Get characters from ring buffer into S.
*/
static int
get_chars_from_ringbuffer (struct tty *t, uint8_t *s, int len)
{
int i = 0;
if (t->send_head == t->send_tail)
/* Empty */
return i;
do
{
s[i++] = t->send_buf[t->send_head];
t->send_head = (t->send_head + 1) % LINEBUFSIZE;
}
while (t->send_head != t->send_tail && i < len);
return i;
}
static void
tty_echo_char (struct tty *t, int c)
{
put_char_to_ringbuffer (t, c);
}
static void
usb_tx_done (uint8_t ep_num, uint16_t len)
{
struct tty *t = tty_get (-1, ep_num);
(void)len;
if (ep_num == ENDP1)
{
chopstx_mutex_lock (&t->mtx);
if (t->flag_send_ready == 0)
{
t->flag_send_ready = 1;
chopstx_cond_signal (&t->cnd);
}
chopstx_mutex_unlock (&t->mtx);
}
else if (ep_num == ENDP2)
{
/* Nothing */
}
}
static int
tty_input_char (struct tty *t, int c)
{
unsigned int i;
int r = 0;
/* Process DEL, C-U, C-R, and RET as editing command. */
chopstx_mutex_lock (&t->mtx);
switch (c)
{
case 0x0d: /* Control-M */
t->inputline[t->inputline_len++] = '\n';
tty_echo_char (t, 0x0d);
tty_echo_char (t, 0x0a);
t->flag_input_avail = 1;
r = 1;
chopstx_cond_signal (&t->cnd);
break;
case 0x12: /* Control-R */
tty_echo_char (t, '^');
tty_echo_char (t, 'R');
tty_echo_char (t, 0x0d);
tty_echo_char (t, 0x0a);
for (i = 0; i < t->inputline_len; i++)
tty_echo_char (t, t->inputline[i]);
break;
case 0x15: /* Control-U */
for (i = 0; i < t->inputline_len; i++)
{
tty_echo_char (t, 0x08);
tty_echo_char (t, 0x20);
tty_echo_char (t, 0x08);
}
t->inputline_len = 0;
break;
case 0x7f: /* DEL */
if (t->inputline_len > 0)
{
tty_echo_char (t, 0x08);
tty_echo_char (t, 0x20);
tty_echo_char (t, 0x08);
t->inputline_len--;
}
break;
default:
if (t->inputline_len < sizeof (t->inputline) - 1)
{
tty_echo_char (t, c);
t->inputline[t->inputline_len++] = c;
}
else
/* Beep */
tty_echo_char (t, 0x0a);
break;
}
chopstx_mutex_unlock (&t->mtx);
return r;
}
static void
usb_rx_ready (uint8_t ep_num, uint16_t len)
{
struct tty *t = tty_get (-1, ep_num);
if (ep_num == ENDP3)
{
int i;
for (i = 0; i < len; i++)
if (tty_input_char (t, t->recv_buf0[i]))
break;
chopstx_mutex_lock (&t->mtx);
if (t->flag_input_avail == 0)
usb_lld_rx_enable_buf (ENDP3, t->recv_buf0, 64);
chopstx_mutex_unlock (&t->mtx);
}
}
static void *tty_main (void *arg);
#define PRIO_TTY 4
static char __process3_stack_base__[4096];
#define STACK_ADDR_TTY ((uintptr_t)__process3_stack_base__)
#define STACK_SIZE_TTY (sizeof __process3_stack_base__)
struct tty *
tty_open (void)
{
chopstx_mutex_init (&tty0.mtx);
chopstx_cond_init (&tty0.cnd);
tty0.inputline_len = 0;
tty0.send_head = tty0.send_tail = 0;
tty0.flag_connected = 0;
tty0.flag_send_ready = 1;
tty0.flag_input_avail = 0;
tty0.device_state = USB_DEVICE_STATE_UNCONNECTED;
memcpy (&tty0.line_coding, &line_coding0, sizeof (struct line_coding));
chopstx_create (PRIO_TTY, STACK_ADDR_TTY, STACK_SIZE_TTY, tty_main, &tty0);
return &tty0;
}
static void *
tty_main (void *arg)
{
struct tty *t = arg;
struct usb_dev dev;
int e;
#if defined(OLDER_SYS_H)
/*
* Historically (before sys < 3.0), NVIC priority setting for USB
* interrupt was done in usb_lld_sys_init. Thus this code.
*
* When USB interrupt occurs between usb_lld_init (which assumes
* ISR) and chopstx_claim_irq (which clears pending interrupt),
* invocation of usb_lld_event_handler won't occur.
*
* Calling usb_lld_event_handler is no harm even if there were no
* interrupts, thus, we call it unconditionally here, just in case
* if there is a request.
*
* We can't call usb_lld_init after chopstx_claim_irq, as
* usb_lld_init does its own setting for NVIC. Calling
* chopstx_claim_irq after usb_lld_init overrides that.
*
*/
usb_lld_init (&dev, VCOM_FEATURE_BUS_POWERED);
chopstx_claim_irq (&usb_intr, INTR_REQ_USB);
goto event_handle;
#else
chopstx_claim_irq (&usb_intr, INTR_REQ_USB);
usb_lld_init (&dev, VCOM_FEATURE_BUS_POWERED);
#endif
while (1)
{
chopstx_intr_wait (&usb_intr);
if (usb_intr.ready)
{
uint8_t ep_num;
#if defined(OLDER_SYS_H)
event_handle:
#endif
/*
* When interrupt is detected, call usb_lld_event_handler.
* The event may be one of following:
* (1) Transfer to endpoint (bulk or interrupt)
* In this case EP_NUM is encoded in the variable E.
* (2) "NONE" event: some trasfer was done, but all was
* done by lower layer, no other work is needed in
* upper layer.
* (3) Device events: Reset or Suspend
* (4) Device requests to the endpoint zero.
*
*/
e = usb_lld_event_handler (&dev);
chopstx_intr_done (&usb_intr);
ep_num = USB_EVENT_ENDP (e);
if (ep_num != 0)
{
if (USB_EVENT_TXRX (e))
usb_tx_done (ep_num, USB_EVENT_LEN (e));
else
usb_rx_ready (ep_num, USB_EVENT_LEN (e));
}
else
switch (USB_EVENT_ID (e))
{
case USB_EVENT_DEVICE_RESET:
usb_device_reset (&dev);
continue;
case USB_EVENT_DEVICE_ADDRESSED:
/* The addres is assigned to the device. We don't
* need to do anything for this actually, but in this
* application, we maintain the USB status of the
* device. Usually, just "continue" as EVENT_OK is
* OK.
*/
chopstx_mutex_lock (&tty0.mtx);
tty0.device_state = USB_DEVICE_STATE_ADDRESSED;
chopstx_cond_signal (&tty0.cnd);
chopstx_mutex_unlock (&tty0.mtx);
continue;
case USB_EVENT_GET_DESCRIPTOR:
if (usb_get_descriptor (&dev) < 0)
usb_lld_ctrl_error (&dev);
continue;
case USB_EVENT_SET_CONFIGURATION:
if (usb_set_configuration (&dev) < 0)
usb_lld_ctrl_error (&dev);
continue;
case USB_EVENT_SET_INTERFACE:
if (usb_set_interface (&dev) < 0)
usb_lld_ctrl_error (&dev);
continue;
case USB_EVENT_CTRL_REQUEST:
/* Device specific device request. */
if (usb_setup (&dev) < 0)
usb_lld_ctrl_error (&dev);
continue;
case USB_EVENT_GET_STATUS_INTERFACE:
if (usb_get_status_interface (&dev) < 0)
usb_lld_ctrl_error (&dev);
continue;
case USB_EVENT_GET_INTERFACE:
if (usb_get_interface (&dev) < 0)
usb_lld_ctrl_error (&dev);
continue;
case USB_EVENT_SET_FEATURE_DEVICE:
case USB_EVENT_SET_FEATURE_ENDPOINT:
case USB_EVENT_CLEAR_FEATURE_DEVICE:
case USB_EVENT_CLEAR_FEATURE_ENDPOINT:
usb_lld_ctrl_ack (&dev);
continue;
case USB_EVENT_CTRL_WRITE_FINISH:
/* Control WRITE transfer finished. */
usb_ctrl_write_finish (&dev);
continue;
case USB_EVENT_OK:
case USB_EVENT_DEVICE_SUSPEND:
default:
continue;
}
}
chopstx_mutex_lock (&t->mtx);
if (t->device_state == USB_DEVICE_STATE_CONFIGURED && t->flag_connected
&& t->flag_send_ready)
{
uint8_t line[32];
int len = get_chars_from_ringbuffer (t, line, sizeof (len));
if (len)
{
memcpy (t->send_buf0, line, len);
usb_lld_tx_enable_buf (ENDP1, t->send_buf0, len);
t->flag_send_ready = 0;
}
}
chopstx_mutex_unlock (&t->mtx);
}
return NULL;
}
void
tty_wait_configured (struct tty *t)
{
chopstx_mutex_lock (&t->mtx);
while (t->device_state != USB_DEVICE_STATE_CONFIGURED)
chopstx_cond_wait (&t->cnd, &t->mtx);
chopstx_mutex_unlock (&t->mtx);
}
void
tty_wait_connection (struct tty *t)
{
chopstx_mutex_lock (&t->mtx);
while (t->flag_connected == 0)
chopstx_cond_wait (&t->cnd, &t->mtx);
t->flag_send_ready = 1;
t->flag_input_avail = 0;
t->send_head = t->send_tail = 0;
t->inputline_len = 0;
usb_lld_rx_enable_buf (ENDP3, t->recv_buf0, 64); /* Accept input for line */
chopstx_mutex_unlock (&t->mtx);
}
static int
check_tx (struct tty *t)
{
if (t->flag_send_ready)
/* TX done */
return 1;
if (t->flag_connected == 0)
/* Disconnected */
return -1;
return 0;
}
int
tty_send (struct tty *t, const char *buf, int len)
{
int r;
const char *p;
int count;
p = buf;
count = len >= 64 ? 64 : len;
while (1)
{
chopstx_mutex_lock (&t->mtx);
while ((r = check_tx (t)) == 0)
chopstx_cond_wait (&t->cnd, &t->mtx);
if (r > 0)
{
usb_lld_tx_enable_buf (ENDP1, p, count);
t->flag_send_ready = 0;
}
chopstx_mutex_unlock (&t->mtx);
len -= count;
p += count;
if (len == 0 && count != 64)
/*
* The size of the last packet should be != 0
* If 64, send ZLP (zelo length packet)
*/
break;
count = len >= 64 ? 64 : len;
}
/* Wait until all sent. */
chopstx_mutex_lock (&t->mtx);
while ((r = check_tx (t)) == 0)
chopstx_cond_wait (&t->cnd, &t->mtx);
chopstx_mutex_unlock (&t->mtx);
return r;
}
static int
check_rx (void *arg)
{
struct tty *t = arg;
if (t->flag_input_avail)
/* RX */
return 1;
if (t->flag_connected == 0)
/* Disconnected */
return 1;
return 0;
}
/*
* Returns -1 on connection close
* 0 on timeout.
* >0 length of the inputline (including final \n)
*
*/
int
tty_recv (struct tty *t, char *buf, uint32_t *timeout)
{
int r;
chopstx_poll_cond_t poll_desc;
poll_desc.type = CHOPSTX_POLL_COND;
poll_desc.ready = 0;
poll_desc.cond = &t->cnd;
poll_desc.mutex = &t->mtx;
poll_desc.check = check_rx;
poll_desc.arg = t;
while (1)
{
struct chx_poll_head *pd_array[1] = {
(struct chx_poll_head *)&poll_desc
};
chopstx_poll (timeout, 1, pd_array);
chopstx_mutex_lock (&t->mtx);
r = check_rx (t);
chopstx_mutex_unlock (&t->mtx);
if (r || (timeout != NULL && *timeout == 0))
break;
}
chopstx_mutex_lock (&t->mtx);
if (t->flag_connected == 0)
r = -1;
else if (t->flag_input_avail)
{
r = t->inputline_len;
memcpy (buf, t->inputline, r);
t->flag_input_avail = 0;
usb_lld_rx_enable_buf (ENDP3, t->recv_buf0, 64);
t->inputline_len = 0;
}
else
r = 0;
chopstx_mutex_unlock (&t->mtx);
return r;
}

37
gnuk/chopstx/example-cdc/Makefile
View File

@ -1,37 +0,0 @@
# Makefile for example application of Chopstx
PROJECT = sample
CHOPSTX = ..
LDSCRIPT= sample.ld
CSRC = sample.c usb-cdc.c
CHIP=stm32f103
USE_SYS = yes
USE_USB = yes
ENABLE_OUTPUT_HEX=yes
###################################
CROSS = arm-none-eabi-
CC = $(CROSS)gcc
LD = $(CROSS)gcc
OBJCOPY = $(CROSS)objcopy
MCU = cortex-m3
CWARN = -Wall -Wextra -Wstrict-prototypes
DEFS = -DUSE_SYS3 -DFREE_STANDING -DMHZ=72
OPT = -O3 -Os -g
LIBS =
####################
include ../rules.mk
board.h:
@echo Please make a symbolic link \'board.h\' to a file in ../board;
@exit 1
sys.c: board.h
distclean: clean
rm -f board.h

0
gnuk/chopstx/example-cdc/board.h
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167
gnuk/chopstx/example-cdc/sample.c
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@ -1,167 +0,0 @@
#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <chopstx.h>
#include "usb_lld.h"
#include "tty.h"
/* For set_led */
#include "board.h"
#include "sys.h"
static chopstx_mutex_t mtx;
static chopstx_cond_t cnd0;
static chopstx_cond_t cnd1;
static uint8_t u, v;
static uint8_t m; /* 0..100 */
static void *
pwm (void *arg)
{
(void)arg;
chopstx_mutex_lock (&mtx);
chopstx_cond_wait (&cnd0, &mtx);
chopstx_mutex_unlock (&mtx);
while (1)
{
set_led (u&v);
chopstx_usec_wait (m);
set_led (0);
chopstx_usec_wait (100-m);
}
return NULL;
}
static void *
blk (void *arg)
{
(void)arg;
chopstx_mutex_lock (&mtx);
chopstx_cond_wait (&cnd1, &mtx);
chopstx_mutex_unlock (&mtx);
while (1)
{
v = 0;
chopstx_usec_wait (200*1000);
v = 1;
chopstx_usec_wait (200*1000);
}
return NULL;
}
#define PRIO_PWM 3
#define PRIO_BLK 2
#define STACK_MAIN
#define STACK_PROCESS_1
#define STACK_PROCESS_2
#include "stack-def.h"
#define STACK_ADDR_PWM ((uint32_t)process1_base)
#define STACK_SIZE_PWM (sizeof process1_base)
#define STACK_ADDR_BLK ((uint32_t)process2_base)
#define STACK_SIZE_BLK (sizeof process2_base)
static char hexchar (uint8_t x)
{
x &= 0x0f;
if (x <= 0x09)
return '0' + x;
else if (x <= 0x0f)
return 'a' + x - 10;
else
return '?';
}
int
main (int argc, const char *argv[])
{
struct tty *tty;
uint8_t count;
(void)argc;
(void)argv;
chopstx_mutex_init (&mtx);
chopstx_cond_init (&cnd0);
chopstx_cond_init (&cnd1);
m = 10;
chopstx_create (PRIO_PWM, STACK_ADDR_PWM, STACK_SIZE_PWM, pwm, NULL);
chopstx_create (PRIO_BLK, STACK_ADDR_BLK, STACK_SIZE_BLK, blk, NULL);
chopstx_usec_wait (200*1000);
chopstx_mutex_lock (&mtx);
chopstx_cond_signal (&cnd0);
chopstx_cond_signal (&cnd1);
chopstx_mutex_unlock (&mtx);
u = 1;
tty = tty_open ();
tty_wait_configured (tty);
count = 0;
m = 50;
while (1)
{
char s[LINEBUFSIZE];
u = 1;
tty_wait_connection (tty);
chopstx_usec_wait (50*1000);
/* Send ZLP at the beginning. */
tty_send (tty, s, 0);
memcpy (s, "xx: Hello, World with Chopstx!\r\n", 32);
s[0] = hexchar (count >> 4);
s[1] = hexchar (count & 0x0f);
count++;
if (tty_send (tty, s, 32) < 0)
continue;
while (1)
{
int size;
uint32_t usec;
usec = 3000000; /* 3.0 seconds */
size = tty_recv (tty, s + 4, &usec);
if (size < 0)
break;
if (size)
{
size--;
s[0] = hexchar (size >> 4);
s[1] = hexchar (size & 0x0f);
s[2] = ':';
s[3] = ' ';
s[size + 4] = '\r';
s[size + 5] = '\n';
if (tty_send (tty, s, size + 6) < 0)
break;
}
u ^= 1;
}
}
return 0;
}

124
gnuk/chopstx/example-cdc/sample.ld
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@ -1,124 +0,0 @@
/*
* ST32F103 memory setup.
*/
MEMORY
{
flash0 : org = 0x08000000, len = 4k
flash : org = 0x08000000+0x1000, len = 60k
ram : org = 0x20000000, len = 20k
}
__ram_start__ = ORIGIN(ram);
__ram_size__ = 20k;
__ram_end__ = __ram_start__ + __ram_size__;
SECTIONS
{
. = 0;
.sys : ALIGN(4) SUBALIGN(4)
{
_sys = .;
KEEP(*(.vectors))
. = ALIGN(16);
KEEP(*(.sys.version))
KEEP(*(.sys.board_id))
KEEP(*(.sys.board_name))
build/sys-*.o(.text)
build/sys-*.o(.text.*)
build/sys-*.o(.rodata)
build/sys-*.o(.rodata.*)
. = ALIGN(1024);
*(.sys.0)
*(.sys.1)
*(.sys.2)
} > flash0
_text = .;
.startup : ALIGN(128) SUBALIGN(128)
{
KEEP(*(.startup.vectors))
. = ALIGN (16);
} > flash =0xffffffff
.text : ALIGN(16) SUBALIGN(16)
{
*(.text.startup.*)
*(.text)
*(.text.*)
*(.rodata)
*(.rodata.*)
*(.glue_7t)
*(.glue_7)
*(.gcc*)
. = ALIGN(8);
} > flash
.ARM.extab : {*(.ARM.extab* .gnu.linkonce.armextab.*)} > flash
.ARM.exidx : {
PROVIDE(__exidx_start = .);
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
PROVIDE(__exidx_end = .);
} > flash
.eh_frame_hdr : {*(.eh_frame_hdr)} > flash
.eh_frame : ONLY_IF_RO {*(.eh_frame)} > flash
.textalign : ONLY_IF_RO { . = ALIGN(8); } > flash
_etext = .;
_textdata = _etext;
.process_stack (NOLOAD) :
{
. = ALIGN(8);
*(.process_stack.3)
*(.process_stack.2)
*(.process_stack.1)
*(.process_stack.0)
. = ALIGN(8);
} > ram
.main_stack (NOLOAD) :
{
. = ALIGN(8);
*(.main_stack)
. = ALIGN(8);
} > ram
.data :
{
. = ALIGN(4);
PROVIDE(_data = .);
*(.data)
. = ALIGN(4);
*(.data.*)
. = ALIGN(4);
*(.ramtext)
. = ALIGN(4);
PROVIDE(_edata = .);
} > ram AT > flash
.bss :
{
. = ALIGN(4);
PROVIDE(_bss_start = .);
*(.bss)
. = ALIGN(4);
*(.bss.*)
. = ALIGN(4);
*(COMMON)
. = ALIGN(4);
PROVIDE(_bss_end = .);
} > ram
PROVIDE(end = .);
_end = .;
}
__heap_base__ = _end;
__heap_end__ = __ram_end__;

24
gnuk/chopstx/example-cdc/stack-def.h
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@ -1,24 +0,0 @@
#if defined(STACK_MAIN)
/* Idle+Exception handlers */
char __main_stack_end__[0] __attribute__ ((section(".main_stack")));
char main_base[0x0100] __attribute__ ((section(".main_stack")));
/* Main program */
char __process0_stack_end__[0] __attribute__ ((section(".process_stack.0")));
char process0_base[0x0400] __attribute__ ((section(".process_stack.0")));
#endif
/* First thread program */
#if defined(STACK_PROCESS_1)
char process1_base[0x0200] __attribute__ ((section(".process_stack.1")));
#endif
/* Second thread program */
#if defined(STACK_PROCESS_2)
char process2_base[0x0200] __attribute__ ((section(".process_stack.2")));
#endif
/* Third thread program */
#if defined(STACK_PROCESS_3)
char process3_base[0x0200] __attribute__ ((section(".process_stack.3")));
#endif

9
gnuk/chopstx/example-cdc/tty.h
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@ -1,9 +0,0 @@
#define LINEBUFSIZE 128
struct tty;
struct tty *tty_open (void);
void tty_wait_configured (struct tty *tty);
void tty_wait_connection (struct tty *tty);
int tty_send (struct tty *tty, const char *buf, int count);
int tty_recv (struct tty *tty, char *buf, uint32_t *timeout);

959
gnuk/chopstx/example-cdc/usb-cdc.c
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@ -1,959 +0,0 @@
#include <stdint.h>
#include <stdlib.h>
#include <chopstx.h>
#include <string.h>
#include "usb_lld.h"
#include "tty.h"
static chopstx_intr_t usb_intr;
struct line_coding
{
uint32_t bitrate;
uint8_t format;
uint8_t paritytype;
uint8_t datatype;
} __attribute__((packed));
static const struct line_coding line_coding0 = {
115200, /* baud rate: 115200 */
0x00, /* stop bits: 1 */
0x00, /* parity: none */
0x08 /* bits: 8 */
};
/*
* Currently, we only support a single TTY.
*
* It is possible to extend to support multiple TTYs, for multiple
* interfaces.
*
* In that case, add argument to TTY_OPEN function and
* modify TTY_GET function to get the TTY structure. Functions which
* directy accesses TTY0 (usb_device_reset and usb_set_configuration)
* should be modified, too.
*
* Modification of TTY_MAIN thread will be also needed to echo back
* input for each TTY, and the thread should run if one of TTY is
* opened.
*/
struct tty {
chopstx_mutex_t mtx;
chopstx_cond_t cnd;
uint8_t inputline[LINEBUFSIZE]; /* Line editing is supported */
uint8_t send_buf[LINEBUFSIZE]; /* Sending ring buffer for echo back */
uint32_t inputline_len : 8;
uint32_t send_head : 8;
uint32_t send_tail : 8;
uint32_t flag_connected : 1;
uint32_t flag_send_ready : 1;
uint32_t flag_input_avail : 1;
uint32_t : 2;
uint32_t device_state : 3; /* USB device status */
struct line_coding line_coding;
};
static struct tty tty0;
/*
* Locate TTY structure from interface number or endpoint number.
* Currently, it always returns tty0, because we only have the one.
*/
static struct tty *
tty_get (int interface, uint8_t ep_num)
{
struct tty *t = &tty0;
if (interface >= 0)
{
if (interface == 0)
t = &tty0;
}
else
{
if (ep_num == ENDP1 || ep_num == ENDP2 || ep_num == ENDP3)
t = &tty0;
}
return t;
}
#define ENDP0_RXADDR (0x40)
#define ENDP0_TXADDR (0x80)
#define ENDP1_TXADDR (0xc0)
#define ENDP2_TXADDR (0x100)
#define ENDP3_RXADDR (0x140)
#define USB_CDC_REQ_SET_LINE_CODING 0x20
#define USB_CDC_REQ_GET_LINE_CODING 0x21
#define USB_CDC_REQ_SET_CONTROL_LINE_STATE 0x22
#define USB_CDC_REQ_SEND_BREAK 0x23
/* USB Device Descriptor */
static const uint8_t vcom_device_desc[18] = {
18, /* bLength */
DEVICE_DESCRIPTOR, /* bDescriptorType */
0x10, 0x01, /* bcdUSB = 1.1 */
0x02, /* bDeviceClass (CDC). */
0x00, /* bDeviceSubClass. */
0x00, /* bDeviceProtocol. */
0x40, /* bMaxPacketSize. */
0xFF, 0xFF, /* idVendor */
0x01, 0x00, /* idProduct */
0x00, 0x01, /* bcdDevice */
1, /* iManufacturer. */
2, /* iProduct. */
3, /* iSerialNumber. */
1 /* bNumConfigurations. */
};
#define VCOM_FEATURE_BUS_POWERED 0x80
/* Configuration Descriptor tree for a CDC.*/
static const uint8_t vcom_config_desc[67] = {
9,
CONFIG_DESCRIPTOR, /* bDescriptorType: Configuration */
/* Configuration Descriptor.*/
67, 0x00, /* wTotalLength. */
0x02, /* bNumInterfaces. */
0x01, /* bConfigurationValue. */
0, /* iConfiguration. */
VCOM_FEATURE_BUS_POWERED, /* bmAttributes. */
50, /* bMaxPower (100mA). */
/* Interface Descriptor.*/
9,
INTERFACE_DESCRIPTOR,
0x00, /* bInterfaceNumber. */
0x00, /* bAlternateSetting. */
0x01, /* bNumEndpoints. */
0x02, /* bInterfaceClass (Communications Interface Class,
CDC section 4.2). */
0x02, /* bInterfaceSubClass (Abstract Control Model, CDC
section 4.3). */
0x01, /* bInterfaceProtocol (AT commands, CDC section
4.4). */
0, /* iInterface. */
/* Header Functional Descriptor (CDC section 5.2.3).*/
5, /* bLength. */
0x24, /* bDescriptorType (CS_INTERFACE). */
0x00, /* bDescriptorSubtype (Header Functional Descriptor). */
0x10, 0x01, /* bcdCDC. */
/* Call Management Functional Descriptor. */
5, /* bFunctionLength. */
0x24, /* bDescriptorType (CS_INTERFACE). */
0x01, /* bDescriptorSubtype (Call Management Functional
Descriptor). */
0x03, /* bmCapabilities (D0+D1). */
0x01, /* bDataInterface. */
/* ACM Functional Descriptor.*/
4, /* bFunctionLength. */
0x24, /* bDescriptorType (CS_INTERFACE). */
0x02, /* bDescriptorSubtype (Abstract Control Management
Descriptor). */
0x02, /* bmCapabilities. */
/* Union Functional Descriptor.*/
5, /* bFunctionLength. */
0x24, /* bDescriptorType (CS_INTERFACE). */
0x06, /* bDescriptorSubtype (Union Functional
Descriptor). */
0x00, /* bMasterInterface (Communication Class
Interface). */
0x01, /* bSlaveInterface0 (Data Class Interface). */
/* Endpoint 2 Descriptor.*/
7,
ENDPOINT_DESCRIPTOR,
ENDP2|0x80, /* bEndpointAddress. */
0x03, /* bmAttributes (Interrupt). */
0x08, 0x00, /* wMaxPacketSize. */
0xFF, /* bInterval. */
/* Interface Descriptor.*/
9,
INTERFACE_DESCRIPTOR, /* bDescriptorType: */
0x01, /* bInterfaceNumber. */
0x00, /* bAlternateSetting. */
0x02, /* bNumEndpoints. */
0x0A, /* bInterfaceClass (Data Class Interface, CDC section 4.5). */
0x00, /* bInterfaceSubClass (CDC section 4.6). */
0x00, /* bInterfaceProtocol (CDC section 4.7). */
0x00, /* iInterface. */
/* Endpoint 3 Descriptor.*/
7,
ENDPOINT_DESCRIPTOR, /* bDescriptorType: Endpoint */
ENDP3, /* bEndpointAddress. */
0x02, /* bmAttributes (Bulk). */
0x40, 0x00, /* wMaxPacketSize. */
0x00, /* bInterval. */
/* Endpoint 1 Descriptor.*/
7,
ENDPOINT_DESCRIPTOR, /* bDescriptorType: Endpoint */
ENDP1|0x80, /* bEndpointAddress. */
0x02, /* bmAttributes (Bulk). */
0x40, 0x00, /* wMaxPacketSize. */
0x00 /* bInterval. */
};
/*
* U.S. English language identifier.
*/
static const uint8_t vcom_string0[4] = {
4, /* bLength */
STRING_DESCRIPTOR,
0x09, 0x04 /* LangID = 0x0409: US-English */
};
static const uint8_t vcom_string1[] = {
23*2+2, /* bLength */
STRING_DESCRIPTOR, /* bDescriptorType */
/* Manufacturer: "Flying Stone Technology" */
'F', 0, 'l', 0, 'y', 0, 'i', 0, 'n', 0, 'g', 0, ' ', 0, 'S', 0,
't', 0, 'o', 0, 'n', 0, 'e', 0, ' ', 0, 'T', 0, 'e', 0, 'c', 0,
'h', 0, 'n', 0, 'o', 0, 'l', 0, 'o', 0, 'g', 0, 'y', 0,
};
static const uint8_t vcom_string2[] = {
14*2+2, /* bLength */
STRING_DESCRIPTOR, /* bDescriptorType */
/* Product name: "Chopstx Sample" */
'C', 0, 'h', 0, 'o', 0, 'p', 0, 's', 0, 't', 0, 'x', 0, ' ', 0,
'S', 0, 'a', 0, 'm', 0, 'p', 0, 'l', 0, 'e', 0,
};
/*
* Serial Number string.
*/
static const uint8_t vcom_string3[28] = {
28, /* bLength */
STRING_DESCRIPTOR, /* bDescriptorType */
'0', 0, '.', 0, '0', 0, '0', 0, /* Version number */
};
#define NUM_INTERFACES 2
static void
usb_device_reset (struct usb_dev *dev)
{
usb_lld_reset (dev, VCOM_FEATURE_BUS_POWERED);
/* Initialize Endpoint 0 */
usb_lld_setup_endpoint (ENDP0, EP_CONTROL, 0, ENDP0_RXADDR, ENDP0_TXADDR, 64);
chopstx_mutex_lock (&tty0.mtx);
tty0.inputline_len = 0;
tty0.send_head = tty0.send_tail = 0;
tty0.flag_connected = 0;
tty0.flag_send_ready = 1;
tty0.flag_input_avail = 0;
tty0.device_state = USB_DEVICE_STATE_ATTACHED;
memcpy (&tty0.line_coding, &line_coding0, sizeof (struct line_coding));
chopstx_mutex_unlock (&tty0.mtx);
}
#define CDC_CTRL_DTR 0x0001
static void
usb_ctrl_write_finish (struct usb_dev *dev)
{
struct device_req *arg = &dev->dev_req;
uint8_t type_rcp = arg->type & (REQUEST_TYPE|RECIPIENT);
if (type_rcp == (CLASS_REQUEST | INTERFACE_RECIPIENT) && arg->index == 0
&& USB_SETUP_SET (arg->type)
&& arg->request == USB_CDC_REQ_SET_CONTROL_LINE_STATE)
{
struct tty *t = tty_get (arg->index, 0);
/* Open/close the connection. */
chopstx_mutex_lock (&t->mtx);
t->flag_connected = ((arg->value & CDC_CTRL_DTR) != 0);
chopstx_cond_signal (&t->cnd);
chopstx_mutex_unlock (&t->mtx);
}
/*
* The transaction was already finished. So, it is no use to call
* usb_lld_ctrl_error when the condition does not match.
*/
}
static int
vcom_port_data_setup (struct usb_dev *dev)
{
struct device_req *arg = &dev->dev_req;
if (USB_SETUP_GET (arg->type))
{
struct tty *t = tty_get (arg->index, 0);
if (arg->request == USB_CDC_REQ_GET_LINE_CODING)
return usb_lld_ctrl_send (dev, &t->line_coding,
sizeof (struct line_coding));
}
else /* USB_SETUP_SET (req) */
{
if (arg->request == USB_CDC_REQ_SET_LINE_CODING
&& arg->len == sizeof (struct line_coding))
{
struct tty *t = tty_get (arg->index, 0);
return usb_lld_ctrl_recv (dev, &t->line_coding,
sizeof (struct line_coding));
}
else if (arg->request == USB_CDC_REQ_SET_CONTROL_LINE_STATE)
return usb_lld_ctrl_ack (dev);
}
return -1;
}
static int
usb_setup (struct usb_dev *dev)
{
struct device_req *arg = &dev->dev_req;
uint8_t type_rcp = arg->type & (REQUEST_TYPE|RECIPIENT);
if (type_rcp == (CLASS_REQUEST | INTERFACE_RECIPIENT) && arg->index == 0)
return vcom_port_data_setup (dev);
return -1;
}
static int
usb_get_descriptor (struct usb_dev *dev)
{
struct device_req *arg = &dev->dev_req;
uint8_t rcp = arg->type & RECIPIENT;
uint8_t desc_type = (arg->value >> 8);
uint8_t desc_index = (arg->value & 0xff);
if (rcp != DEVICE_RECIPIENT)
return -1;
if (desc_type == DEVICE_DESCRIPTOR)
return usb_lld_ctrl_send (dev,
vcom_device_desc, sizeof (vcom_device_desc));
else if (desc_type == CONFIG_DESCRIPTOR)
return usb_lld_ctrl_send (dev,
vcom_config_desc, sizeof (vcom_config_desc));
else if (desc_type == STRING_DESCRIPTOR)
{
const uint8_t *str;
int size;
switch (desc_index)
{
case 0:
str = vcom_string0;
size = sizeof (vcom_string0);
break;
case 1:
str = vcom_string1;
size = sizeof (vcom_string1);
break;
case 2:
str = vcom_string2;
size = sizeof (vcom_string2);
break;
case 3:
str = vcom_string3;
size = sizeof (vcom_string3);
break;
default:
return -1;
}
return usb_lld_ctrl_send (dev, str, size);
}
return -1;
}
static void
vcom_setup_endpoints_for_interface (uint16_t interface, int stop)
{
if (interface == 0)
{
if (!stop)
usb_lld_setup_endpoint (ENDP2, EP_INTERRUPT, 0, 0, ENDP2_TXADDR, 0);
else
usb_lld_stall_tx (ENDP2);
}
else if (interface == 1)
{
if (!stop)
{
usb_lld_setup_endpoint (ENDP1, EP_BULK, 0, 0, ENDP1_TXADDR, 0);
usb_lld_setup_endpoint (ENDP3, EP_BULK, 0, ENDP3_RXADDR, 0, 64);
/* Start with no data receiving (ENDP3 not enabled)*/
}
else
{
usb_lld_stall_tx (ENDP1);
usb_lld_stall_rx (ENDP3);
}
}
}
static int
usb_set_configuration (struct usb_dev *dev)
{
int i;
uint8_t current_conf;
current_conf = usb_lld_current_configuration (dev);
if (current_conf == 0)
{
if (dev->dev_req.value != 1)
return -1;
usb_lld_set_configuration (dev, 1);
for (i = 0; i < NUM_INTERFACES; i++)
vcom_setup_endpoints_for_interface (i, 0);
chopstx_mutex_lock (&tty0.mtx);
tty0.device_state = USB_DEVICE_STATE_CONFIGURED;
chopstx_cond_signal (&tty0.cnd);
chopstx_mutex_unlock (&tty0.mtx);
}
else if (current_conf != dev->dev_req.value)
{
if (dev->dev_req.value != 0)
return -1;
usb_lld_set_configuration (dev, 0);
for (i = 0; i < NUM_INTERFACES; i++)
vcom_setup_endpoints_for_interface (i, 1);
chopstx_mutex_lock (&tty0.mtx);
tty0.device_state = USB_DEVICE_STATE_ADDRESSED;
chopstx_cond_signal (&tty0.cnd);
chopstx_mutex_unlock (&tty0.mtx);
}
usb_lld_ctrl_ack (dev);
return 0;
}
static int
usb_set_interface (struct usb_dev *dev)
{
uint16_t interface = dev->dev_req.index;
uint16_t alt = dev->dev_req.value;
if (interface >= NUM_INTERFACES)
return -1;
if (alt != 0)
return -1;
else
{
vcom_setup_endpoints_for_interface (interface, 0);
usb_lld_ctrl_ack (dev);
return 0;
}
}
static int
usb_get_interface (struct usb_dev *dev)
{
const uint8_t zero = 0;
uint16_t interface = dev->dev_req.index;
if (interface >= NUM_INTERFACES)
return -1;
/* We don't have alternate interface, so, always return 0. */
return usb_lld_ctrl_send (dev, &zero, 1);
}
static int
usb_get_status_interface (struct usb_dev *dev)
{
const uint16_t status_info = 0;
uint16_t interface = dev->dev_req.index;
if (interface >= NUM_INTERFACES)
return -1;
return usb_lld_ctrl_send (dev, &status_info, 2);
}
/*
* Put a character into the ring buffer to be send back.
*/
static void
put_char_to_ringbuffer (struct tty *t, int c)
{
uint32_t next = (t->send_tail + 1) % LINEBUFSIZE;
if (t->send_head == next)
/* full */
/* All that we can do is ignore this char. */
return;
t->send_buf[t->send_tail] = c;
t->send_tail = next;
}
/*
* Get characters from ring buffer into S.
*/
static int
get_chars_from_ringbuffer (struct tty *t, uint8_t *s, int len)
{
int i = 0;
if (t->send_head == t->send_tail)
/* Empty */
return i;
do
{
s[i++] = t->send_buf[t->send_head];
t->send_head = (t->send_head + 1) % LINEBUFSIZE;
}
while (t->send_head != t->send_tail && i < len);
return i;
}
static void
tty_echo_char (struct tty *t, int c)
{
put_char_to_ringbuffer (t, c);
}
static void
usb_tx_done (uint8_t ep_num, uint16_t len)
{
struct tty *t = tty_get (-1, ep_num);
(void)len;
if (ep_num == ENDP1)
{
chopstx_mutex_lock (&t->mtx);
if (t->flag_send_ready == 0)
{
t->flag_send_ready = 1;
chopstx_cond_signal (&t->cnd);
}
chopstx_mutex_unlock (&t->mtx);
}
else if (ep_num == ENDP2)
{
/* Nothing */
}
}
static int
tty_input_char (struct tty *t, int c)
{
unsigned int i;
int r = 0;
/* Process DEL, C-U, C-R, and RET as editing command. */
chopstx_mutex_lock (&t->mtx);
switch (c)
{
case 0x0d: /* Control-M */
t->inputline[t->inputline_len++] = '\n';
tty_echo_char (t, 0x0d);
tty_echo_char (t, 0x0a);
t->flag_input_avail = 1;
r = 1;
chopstx_cond_signal (&t->cnd);
break;
case 0x12: /* Control-R */
tty_echo_char (t, '^');
tty_echo_char (t, 'R');
tty_echo_char (t, 0x0d);
tty_echo_char (t, 0x0a);
for (i = 0; i < t->inputline_len; i++)
tty_echo_char (t, t->inputline[i]);
break;
case 0x15: /* Control-U */
for (i = 0; i < t->inputline_len; i++)
{
tty_echo_char (t, 0x08);
tty_echo_char (t, 0x20);
tty_echo_char (t, 0x08);
}
t->inputline_len = 0;
break;
case 0x7f: /* DEL */
if (t->inputline_len > 0)
{
tty_echo_char (t, 0x08);
tty_echo_char (t, 0x20);
tty_echo_char (t, 0x08);
t->inputline_len--;
}
break;
default:
if (t->inputline_len < sizeof (t->inputline) - 1)
{
tty_echo_char (t, c);
t->inputline[t->inputline_len++] = c;
}
else
/* Beep */
tty_echo_char (t, 0x0a);
break;
}
chopstx_mutex_unlock (&t->mtx);
return r;
}
static void
usb_rx_ready (uint8_t ep_num, uint16_t len)
{
uint8_t recv_buf[64];
struct tty *t = tty_get (-1, ep_num);
if (ep_num == ENDP3)
{
int i;
usb_lld_rxcpy (recv_buf, ep_num, 0, len);
for (i = 0; i < len; i++)
if (tty_input_char (t, recv_buf[i]))
break;
chopstx_mutex_lock (&t->mtx);
if (t->flag_input_avail == 0)
usb_lld_rx_enable (ENDP3);
chopstx_mutex_unlock (&t->mtx);
}
}
static void *tty_main (void *arg);
#define PRIO_TTY 4
#define STACK_PROCESS_3
#include "stack-def.h"
#define STACK_ADDR_TTY ((uint32_t)process3_base)
#define STACK_SIZE_TTY (sizeof process3_base)
struct tty *
tty_open (void)
{
chopstx_mutex_init (&tty0.mtx);
chopstx_cond_init (&tty0.cnd);
tty0.inputline_len = 0;
tty0.send_head = tty0.send_tail = 0;
tty0.flag_connected = 0;
tty0.flag_send_ready = 1;
tty0.flag_input_avail = 0;
tty0.device_state = USB_DEVICE_STATE_UNCONNECTED;
memcpy (&tty0.line_coding, &line_coding0, sizeof (struct line_coding));
chopstx_create (PRIO_TTY, STACK_ADDR_TTY, STACK_SIZE_TTY, tty_main, &tty0);
return &tty0;
}
static void *
tty_main (void *arg)
{
struct tty *t = arg;
struct usb_dev dev;
int e;
#if defined(OLDER_SYS_H)
/*
* Historically (before sys < 3.0), NVIC priority setting for USB
* interrupt was done in usb_lld_sys_init. Thus this code.
*
* When USB interrupt occurs between usb_lld_init (which assumes
* ISR) and chopstx_claim_irq (which clears pending interrupt),
* invocation of usb_lld_event_handler won't occur.
*
* Calling usb_lld_event_handler is no harm even if there were no
* interrupts, thus, we call it unconditionally here, just in case
* if there is a request.
*
* We can't call usb_lld_init after chopstx_claim_irq, as
* usb_lld_init does its own setting for NVIC. Calling
* chopstx_claim_irq after usb_lld_init overrides that.
*
*/
usb_lld_init (&dev, VCOM_FEATURE_BUS_POWERED);
chopstx_claim_irq (&usb_intr, INTR_REQ_USB);
goto event_handle;
#else
chopstx_claim_irq (&usb_intr, INTR_REQ_USB);
usb_lld_init (&dev, VCOM_FEATURE_BUS_POWERED);
#endif
while (1)
{
chopstx_intr_wait (&usb_intr);
if (usb_intr.ready)
{
uint8_t ep_num;
#if defined(OLDER_SYS_H)
event_handle:
#endif
/*
* When interrupt is detected, call usb_lld_event_handler.
* The event may be one of following:
* (1) Transfer to endpoint (bulk or interrupt)
* In this case EP_NUM is encoded in the variable E.
* (2) "NONE" event: some trasfer was done, but all was
* done by lower layer, no other work is needed in
* upper layer.
* (3) Device events: Reset or Suspend
* (4) Device requests to the endpoint zero.
*
*/
e = usb_lld_event_handler (&dev);
chopstx_intr_done (&usb_intr);
ep_num = USB_EVENT_ENDP (e);
if (ep_num != 0)
{
if (USB_EVENT_TXRX (e))
usb_tx_done (ep_num, USB_EVENT_LEN (e));
else
usb_rx_ready (ep_num, USB_EVENT_LEN (e));
}
else
switch (USB_EVENT_ID (e))
{
case USB_EVENT_DEVICE_RESET:
usb_device_reset (&dev);
continue;
case USB_EVENT_DEVICE_ADDRESSED:
/* The addres is assigned to the device. We don't
* need to do anything for this actually, but in this
* application, we maintain the USB status of the
* device. Usually, just "continue" as EVENT_OK is
* OK.
*/
chopstx_mutex_lock (&tty0.mtx);
tty0.device_state = USB_DEVICE_STATE_ADDRESSED;
chopstx_cond_signal (&tty0.cnd);
chopstx_mutex_unlock (&tty0.mtx);
continue;
case USB_EVENT_GET_DESCRIPTOR:
if (usb_get_descriptor (&dev) < 0)
usb_lld_ctrl_error (&dev);
continue;
case USB_EVENT_SET_CONFIGURATION:
if (usb_set_configuration (&dev) < 0)
usb_lld_ctrl_error (&dev);
continue;
case USB_EVENT_SET_INTERFACE:
if (usb_set_interface (&dev) < 0)
usb_lld_ctrl_error (&dev);
continue;
case USB_EVENT_CTRL_REQUEST:
/* Device specific device request. */
if (usb_setup (&dev) < 0)
usb_lld_ctrl_error (&dev);
continue;
case USB_EVENT_GET_STATUS_INTERFACE:
if (usb_get_status_interface (&dev) < 0)
usb_lld_ctrl_error (&dev);
continue;
case USB_EVENT_GET_INTERFACE:
if (usb_get_interface (&dev) < 0)
usb_lld_ctrl_error (&dev);
continue;
case USB_EVENT_SET_FEATURE_DEVICE:
case USB_EVENT_SET_FEATURE_ENDPOINT:
case USB_EVENT_CLEAR_FEATURE_DEVICE:
case USB_EVENT_CLEAR_FEATURE_ENDPOINT:
usb_lld_ctrl_ack (&dev);
continue;
case USB_EVENT_CTRL_WRITE_FINISH:
/* Control WRITE transfer finished. */
usb_ctrl_write_finish (&dev);
continue;
case USB_EVENT_OK:
case USB_EVENT_DEVICE_SUSPEND:
default:
continue;
}
}
chopstx_mutex_lock (&t->mtx);
if (t->device_state == USB_DEVICE_STATE_CONFIGURED && t->flag_connected
&& t->flag_send_ready)
{
uint8_t line[32];
int len = get_chars_from_ringbuffer (t, line, sizeof (len));
if (len)
{
usb_lld_txcpy (line, ENDP1, 0, len);
usb_lld_tx_enable (ENDP1, len);
t->flag_send_ready = 0;
}
}
chopstx_mutex_unlock (&t->mtx);
}
return NULL;
}
void
tty_wait_configured (struct tty *t)
{
chopstx_mutex_lock (&t->mtx);
while (t->device_state != USB_DEVICE_STATE_CONFIGURED)
chopstx_cond_wait (&t->cnd, &t->mtx);
chopstx_mutex_unlock (&t->mtx);
}
void
tty_wait_connection (struct tty *t)
{
chopstx_mutex_lock (&t->mtx);
while (t->flag_connected == 0)
chopstx_cond_wait (&t->cnd, &t->mtx);
t->flag_send_ready = 1;
t->flag_input_avail = 0;
t->send_head = t->send_tail = 0;
t->inputline_len = 0;
usb_lld_rx_enable (ENDP3); /* Accept input for line */
chopstx_mutex_unlock (&t->mtx);
}
static int
check_tx (struct tty *t)
{
if (t->flag_send_ready)
/* TX done */
return 1;
if (t->flag_connected == 0)
/* Disconnected */
return -1;
return 0;
}
int
tty_send (struct tty *t, const char *buf, int len)
{
int r;
const char *p;
int count;
p = buf;
count = len >= 64 ? 64 : len;
while (1)
{
chopstx_mutex_lock (&t->mtx);
while ((r = check_tx (t)) == 0)
chopstx_cond_wait (&t->cnd, &t->mtx);
if (r > 0)
{
usb_lld_txcpy (p, ENDP1, 0, count);
usb_lld_tx_enable (ENDP1, count);
t->flag_send_ready = 0;
}
chopstx_mutex_unlock (&t->mtx);
len -= count;
p += count;
if (len == 0 && count != 64)
/*
* The size of the last packet should be != 0
* If 64, send ZLP (zelo length packet)
*/
break;
count = len >= 64 ? 64 : len;
}
return r;
}
static int
check_rx (void *arg)
{
struct tty *t = arg;
if (t->flag_input_avail)
/* RX */
return 1;
if (t->flag_connected == 0)
/* Disconnected */
return 1;
return 0;
}
/*
* Returns -1 on connection close
* 0 on timeout.
* >0 length of the inputline (including final \n)
*
*/
int
tty_recv (struct tty *t, char *buf, uint32_t *timeout)
{
int r;
chopstx_poll_cond_t poll_desc;
poll_desc.type = CHOPSTX_POLL_COND;
poll_desc.ready = 0;
poll_desc.cond = &t->cnd;
poll_desc.mutex = &t->mtx;
poll_desc.check = check_rx;
poll_desc.arg = t;
while (1)
{
struct chx_poll_head *pd_array[1] = {
(struct chx_poll_head *)&poll_desc
};
chopstx_poll (timeout, 1, pd_array);
chopstx_mutex_lock (&t->mtx);
r = check_rx (t);
chopstx_mutex_unlock (&t->mtx);
if (r || (timeout != NULL && *timeout == 0))
break;
}
chopstx_mutex_lock (&t->mtx);
if (t->flag_connected == 0)
r = -1;
else if (t->flag_input_avail)
{
r = t->inputline_len;
memcpy (buf, t->inputline, r);
t->flag_input_avail = 0;
usb_lld_rx_enable (ENDP3);
t->inputline_len = 0;
}
else
r = 0;
chopstx_mutex_unlock (&t->mtx);
return r;
}

43
gnuk/chopstx/example-fraucheky/EXAMPLE-README
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@ -1,43 +0,0 @@
(0) configure and make
This example assumes that you have fraucheky source code
along with chopstx.
--- chopstx --- chostx --- example-fraucheky
|
\- fraucheky
If you use vendor id and product id of 234b:0004 under
the condition of FSIJ, you can configure this program as:
$ ./configure --vidpid=234b:0004
then, invoke make.
$ make
(1) preparation as root
Install USBIP host module
# modprobe vhci_hcd
(2) Run sample program of USBIP server
$ ./sample-msc
(3) Use the USB device as root
Attach the Chopstx application program (USBIP device) to USBIP host.
# usbip attach -r 127.0.0.1 -b 1-1
(4) Use the USB Mass Storage Class device
You can mount the storage.
Unmounting the storage, the program will exit.

62
gnuk/chopstx/example-fraucheky/INDEX.HTM
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@ -1,62 +0,0 @@
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
<head><title>How to use this device</title>
<meta http-equiv="content-type" content="text/html; charset=utf-8" />
</head>
<body>
<h1>How to use this device</h1>
<h2>Introduction</h2>
<p>This is an example program for GNU/Linux to see how
Chopstx works with USB emulation by USBIP.</p>
<p>Now, you are accessing this file.
It means that the device is running as USB memory
(USB Mass Storage Class device).</p>
<h2>README, GNU GPL and Corresponding Source code</h2>
<p>In this program, it contains copyrighted software that is licensed under
the GPLv3. Please see README for the explanation of the software and see
GNU GPLv3 for terms and conditions.</p>
<p>You may obtain the complete Corresponding Source code from git repositories.
This program uses Chopstx for RTOS, and Fraucheky for
GPL container. Those code are availabe in the Chopstx repository.</p>
<p>You can also download tarballs from the repository.</p>
<ul>
<li><a href="README">README</a></li>
<li><a href="COPYING">GNU GPLv3</a></li>
<li><a href="https://anonscm.debian.org/cgit/gnuk/chopstx/">Chopstx Repository</a></li>
<li><a href="https://git.gniibe.org/gitweb/?p=chopstx/chopstx.git;a=snapshot;h=@REVISION_CHOPSTX@;sf=tgz">Chopstx tarball</a></li>
<li><a href="https://git.gniibe.org/gitweb/?p=chopstx/fraucheky.git;a=snapshot;h=@REVISION_FRAUCHEKY@;sf=tgz">Fraucheky tarball</a></li>
</ul>
<h3>Source code by physical media</h3>
<p>For those who want source code by physical media, Flying Stone Technology sells a microSD card (with SD card adapter) which contains all repositories at git.gniibe.org.</p>
<p>The price is JPY1000 for a single media including tax and shipment in Japan. Please use YUUBIN-FURIKAE account of Flying Stone Technology below. Note that the account name is in Japanese (which means: Flying Stone Technology).</p>
<p>On the form of YUUBIN-FURIKAE, you specify your address and you can write some message. The media will be sent to your address written in the form.</p>
<ul>
<li>Account No: 00110-2-346446</li>
<li>Account name: Tobiishi Gijutsu</li>
</ul>
<p>If it is difficult for you to use YUUBIN-FURIKAE, please write to the following address.</p>
<ul>
<li>Niibe Yutaka</li>
<li>Flying Stone Technology</li>
<li>1-5-14 Iwagami, Maebashi</li>
<li>Gunma, 371-0031 JAPAN</li>
</ul>
<p>This source code offer will be valid for three years after the shipment of this device or at least until 2021-03-31.</p>
<h2>Links</h2>
<ul>
<li><a href="https://www.gniibe.org/category/fst-01.html">
FST-01 support pages</a></li>
<li><a href="https://lists.alioth.debian.org/mailman/listinfo/gnuk-users">
Mailing list: Gnuk Users</a></li>
<li><a href="https://www.gnu.org/gnu/manifesto.ja.html">
GNU Manifesto (Japanese Translation)</a></li>
</ul>
</body>
</html>

45
gnuk/chopstx/example-fraucheky/Makefile
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@ -1,45 +0,0 @@
# Makefile for NeuG
# Define project name here
PROJECT = sample-msc
CHOPSTX = ..
FRAUCHEKY = ../../fraucheky
LDSCRIPT=
CSRC = main.c
CHIP=gnu-linux
USE_SYS = yes
USE_USB = yes
EMULATION=yes
# USE_ADC = yes
include $(FRAUCHEKY)/src.mk
###################################
CROSS =
CC = $(CROSS)gcc
LD = $(CROSS)gcc
OBJCOPY = $(CROSS)objcopy
MCU = none
CWARN = -Wall -Wextra -Wstrict-prototypes
DEFS = -DGNU_LINUX_EMULATION
OPT = -O3 -g
LIBS = -lpthread
BFDNAME_OBJ=elf64-x86-64
BFDARCH=i386:x86-64
#######################
include $(CHOPSTX)/rules.mk
include $(FRAUCHEKY)/build.mk
###################################
board.h:
@echo Please run configure to have a symbolic link \'board.h\'
@exit 1
distclean:: clean
-rm -f config.h

0
gnuk/chopstx/example-fraucheky/board.h
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2
gnuk/chopstx/example-fraucheky/config.h.in
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@ -1,2 +0,0 @@
@FRAUCHEKY_DEFINE@
@FRAUCHEKY_MSC_DEFINE@

137
gnuk/chopstx/example-fraucheky/configure vendored
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@ -1,137 +0,0 @@
#! /bin/bash
# This is bash which supports ANSI-C Quoting
nl=$'\n'
# Default settings
help=no
vidpid=none
verbose=no
debug=no
with_fraucheky=yes
with_index=./INDEX.HTM
if test -d ../.git; then
REVISION=`git describe --dirty="-modified"`
REVISION_CHOPSTX=`cd .. && git describe --dirty="-modified"`
REVISION_FRAUCHEKY=`cd ../../fraucheky &&git describe --dirty="-modified"`
else
REVISION=`cat ../VERSION`
REVISION_CHOPSTX=`cat ../VERSION`
REVISION_FRAUCHEKY=`cat ../../fraucheky/VERSION`
fi
# Process each option
for option; do
case $option in
*=*) optarg=`expr "X$option" : '[^=]*=\(.*\)'` ;;
*) optarg=yes ;;
esac
case $option in
-h | --help)
help=yes ;;
-v | --verbose)
verbose=yes ;;
--vidpid=*)
vidpid=$optarg ;;
*)
echo "Unrecognized option \`$option'" >&2
echo "Try \`$0 --help' for more information." >&2
exit 1
;;
esac
done
if test "$help" = "yes"; then
cat <<EOF
Usage: $0 [OPTION]...
Defaults for the options are specified in brackets.
Configuration:
-h, --help display this help and exit [no]
--vidpid=VID:PID specify vendor/product ID [<NONE>]
--with-index=INDEX specify INDEX file [none]
EOF
exit 0
fi
if test "$vidpid" = "none"; then
echo "Please specify Vendor ID and Product ID by --vidpid option." >&2
exit 1
fi
VIDPID="$vidpid"
VERSION="0100"
PRODUCT="Fraucheky"
VENDOR="Free Software Initiative of Japan"
SERIALNO="FSIJ-`cat ../VERSION | sed -e 's%^[^/]*/%%'`-"
../../fraucheky/configure "$vidpid" $with_index $REVISION $REVISION_CHOPSTX $REVISION_FRAUCHEKY
ENABLE_FRAUCHEKY=""
FRAUCHEKY_DEFINE="#define FRAUCHEKY_SUPPORT 1"
FRAUCHEKY_MSC_DEFINE="#define MSC_INTERFACE_NO 2"
if ! test -f ../../fraucheky/build.mk; then
echo "'fraucheky' not found" >&2
exit 1
fi
output_vid_pid_version () {
echo $VIDPID | sed -n -e "s%^\([0-9a-f][0-9a-f]\)\([0-9a-f][0-9a-f]\):\([0-9a-f][0-9a-f]\)\([0-9a-f][0-9a-f]\)$% 0x\2, 0x\1, /* idVendor */\\${nl} 0x\4, 0x\3, /* idProduct */%p"
echo $VERSION | sed -n -e "s%^\([0-9a-f][0-9a-f]\)\([0-9a-f][0-9a-f]\)$% 0x\2, 0x\1, /* bcdDevice */%p"
}
output_vendor_product_serial_strings () {
prefix=$1
echo "static const uint8_t ${prefix}string_vendor[] = {"
echo " ${#VENDOR}*2+2, /* bLength */"
echo " STRING_DESCRIPTOR, /* bDescriptorType */"
echo " /* Manufacturer: \"$VENDOR\" */"
echo $VENDOR | sed -e "s/\(........\)/\1\\${nl}/g" | sed -n -e "s/\(.\)/'\1', 0, /g" -e "s/^/ /" -e "/^ ./s/ $//p"
echo '};'
echo
echo "static const uint8_t ${prefix}string_product[] = {"
echo " ${#PRODUCT}*2+2, /* bLength */"
echo " STRING_DESCRIPTOR, /* bDescriptorType */"
echo " /* Product name: \"$PRODUCT\" */"
echo $PRODUCT | sed -e "s/\(........\)/\1\\${nl}/g" | sed -n -e "s/\(.\)/'\1', 0, /g" -e "s/^/ /" -e "/^ ./s/ $//p"
echo '};'
if test -n "$prefix"; then
echo
echo "static uint8_t ${prefix}string_serial[] = {"
echo " ${#SERIALNO}*2+2+16, /* bLength */"
echo " STRING_DESCRIPTOR, /* bDescriptorType */"
echo " /* Serial number: \"$SERIALNO\" */"
echo $SERIALNO | sed -e "s/\(........\)/\1\\${nl}/g" | sed -n -e "s/\(.\)/'\1', 0, /g" -e "s/^/ /" -e "/^ ./s/ $//p"
echo " 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,"
echo " 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,"
echo '};'
echo
echo "static const uint8_t ${prefix}revision_detail[] = {"
echo " ${#REVISION}*2+2, /* bLength */"
echo " STRING_DESCRIPTOR, /* bDescriptorType */"
echo " /* revision detail: \"$REVISION\" */"
echo $REVISION | sed -e "s/\(........\)/\1\\${nl}/g" | sed -n -e "s/\(.\)/'\1', 0, /g" -e "s/^/ /" -e "/^ ./s/ $//p"
echo '};'
echo
echo "static const uint8_t ${prefix}config_options[] = {"
echo " ${#CONFIG}*2+2, /* bLength */"
echo " STRING_DESCRIPTOR, /* bDescriptorType */"
echo " /* configure options: \"$CONFIG\" */"
echo $CONFIG | sed -e "s/\(........\)/\1\\${nl}/g" | sed -n -e "s/\(.\)/'\1', 0, /g" -e "s/^/ /" -e "/^ ./s/ $//p"
echo '};'
fi
}
output_vid_pid_version > fraucheky-vid-pid-ver.c.inc
output_vendor_product_serial_strings >fraucheky-usb-strings.c.inc
sed -e "s/@FRAUCHEKY_DEFINE@/$FRAUCHEKY_DEFINE/" \
-e "s/@FRAUCHEKY_MSC_DEFINE@/$FRAUCHEKY_MSC_DEFINE/" \
< config.h.in > config.h
exit 0

318
gnuk/chopstx/example-fraucheky/main.c
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@ -1,318 +0,0 @@
#include <stdint.h>
#include <string.h>
#include <signal.h>
#include <chopstx.h>
#include "config.h"
#include "usb_lld.h"
#define NUM_INTERFACES 1
#define FEATURE_BUS_POWERED 0x80
static chopstx_mutex_t usb_mtx;
static chopstx_cond_t usb_cnd;
static uint32_t bDeviceState = USB_DEVICE_STATE_UNCONNECTED;
extern void EP6_IN_Callback (uint16_t len);
extern void EP6_OUT_Callback (uint16_t len);
#define MSC_MASS_STORAGE_RESET_COMMAND 0xFF
extern int fraucheky_enabled (void);
extern void fraucheky_init (void);
extern void fraucheky_main (void);
extern void fraucheky_setup_endpoints_for_interface (struct usb_dev *dev, int stop);
extern int fraucheky_setup (struct usb_dev *dev);
extern int fraucheky_get_descriptor (struct usb_dev *dev);
static void
setup_endpoints_for_interface (struct usb_dev *dev, uint16_t interface, int stop)
{
if (interface == 0)
fraucheky_setup_endpoints_for_interface (dev, stop);
}
static void
usb_device_reset (struct usb_dev *dev)
{
int i;
usb_lld_reset (dev, FEATURE_BUS_POWERED);
/* Initialize Endpoint 0. */
usb_lld_setup_endp (dev, ENDP0, 1, 1);
/* Notify upper layer. */
chopstx_mutex_lock (&usb_mtx);
bDeviceState = USB_DEVICE_STATE_ATTACHED;
chopstx_cond_signal (&usb_cnd);
chopstx_mutex_unlock (&usb_mtx);
}
static void
usb_ctrl_write_finish (struct usb_dev *dev)
{
struct device_req *arg = &dev->dev_req;
uint8_t type_rcp = arg->type & (REQUEST_TYPE|RECIPIENT);
if (type_rcp == (CLASS_REQUEST | INTERFACE_RECIPIENT) && arg->index == 0
&& USB_SETUP_SET (arg->type))
{
if (arg->request == MSC_MASS_STORAGE_RESET_COMMAND)
fraucheky_setup_endpoints_for_interface (dev, 0);
}
}
static int
usb_setup (struct usb_dev *dev)
{
struct device_req *arg = &dev->dev_req;
uint8_t type_rcp = arg->type & (REQUEST_TYPE|RECIPIENT);
if (type_rcp == (CLASS_REQUEST | INTERFACE_RECIPIENT)
&& arg->index == 0)
return fraucheky_setup (dev);
return -1;
}
static int
usb_set_configuration (struct usb_dev *dev)
{
int i;
uint8_t current_conf;
current_conf = usb_lld_current_configuration (dev);
if (current_conf == 0)
{
if (dev->dev_req.value != 1)
return -1;
usb_lld_set_configuration (dev, 1);
for (i = 0; i < NUM_INTERFACES; i++)
setup_endpoints_for_interface (dev, i, 0);
chopstx_mutex_lock (&usb_mtx);
bDeviceState = USB_DEVICE_STATE_CONFIGURED;
chopstx_mutex_unlock (&usb_mtx);
}
else if (current_conf != dev->dev_req.value)
{
if (dev->dev_req.value != 0)
return -1;
usb_lld_set_configuration (dev, 0);
for (i = 0; i < NUM_INTERFACES; i++)
setup_endpoints_for_interface (dev, i, 1);
chopstx_mutex_lock (&usb_mtx);
bDeviceState = USB_DEVICE_STATE_ADDRESSED;
chopstx_cond_signal (&usb_cnd);
chopstx_mutex_unlock (&usb_mtx);
}
/* Do nothing when current_conf == value */
return usb_lld_ctrl_ack (dev);
}
static int
usb_set_interface (struct usb_dev *dev)
{
uint16_t interface = dev->dev_req.index;
uint16_t alt = dev->dev_req.value;
if (interface >= NUM_INTERFACES)
return -1;
if (alt != 0)
return -1;
else
{
setup_endpoints_for_interface (dev, interface, 0);
return usb_lld_ctrl_ack (dev);
}
}
static int
usb_get_interface (struct usb_dev *dev)
{
const uint8_t zero = 0;
uint16_t interface = dev->dev_req.index;
if (interface >= NUM_INTERFACES)
return -1;
return usb_lld_ctrl_send (dev, &zero, 1);
}
static int
usb_get_status_interface (struct usb_dev *dev)
{
const uint16_t status_info = 0;
uint16_t interface = dev->dev_req.index;
if (interface >= NUM_INTERFACES)
return -1;
return usb_lld_ctrl_send (dev, &status_info, 2);
}
static void usb_tx_done (uint8_t ep_num, uint16_t len);
static void usb_rx_ready (uint8_t ep_num, uint16_t len);
#define PRIO_USB 3
static void *
usb_main (void *arg)
{
chopstx_intr_t interrupt;
struct usb_dev dev;
int e;
(void)arg;
chopstx_claim_irq (&interrupt, INTR_REQ_USB);
usb_lld_init (&dev, FEATURE_BUS_POWERED);
goto event_handle; /* For old SYS < 3.0 */
while (1)
{
chopstx_intr_wait (&interrupt);
if (interrupt.ready)
{
uint8_t ep_num;
event_handle:
e = usb_lld_event_handler (&dev);
chopstx_intr_done (&interrupt);
ep_num = USB_EVENT_ENDP (e);
if (ep_num != 0)
{
if (USB_EVENT_TXRX (e))
usb_tx_done (ep_num, USB_EVENT_LEN (e));
else
usb_rx_ready (ep_num, USB_EVENT_LEN (e));
}
else
switch (USB_EVENT_ID (e))
{
case USB_EVENT_DEVICE_RESET:
usb_device_reset (&dev);
continue;
case USB_EVENT_DEVICE_ADDRESSED:
chopstx_mutex_lock (&usb_mtx);
bDeviceState = USB_DEVICE_STATE_ADDRESSED;
chopstx_cond_signal (&usb_cnd);
chopstx_mutex_unlock (&usb_mtx);
continue;
case USB_EVENT_GET_DESCRIPTOR:
if (fraucheky_get_descriptor (&dev) < 0)
usb_lld_ctrl_error (&dev);
continue;
case USB_EVENT_SET_CONFIGURATION:
if (usb_set_configuration (&dev) < 0)
usb_lld_ctrl_error (&dev);
continue;
case USB_EVENT_SET_INTERFACE:
if (usb_set_interface (&dev) < 0)
usb_lld_ctrl_error (&dev);
continue;
case USB_EVENT_CTRL_REQUEST:
/* Device specific device request. */
if (usb_setup (&dev) < 0)
usb_lld_ctrl_error (&dev);
continue;
case USB_EVENT_GET_STATUS_INTERFACE:
if (usb_get_status_interface (&dev) < 0)
usb_lld_ctrl_error (&dev);
continue;
case USB_EVENT_GET_INTERFACE:
if (usb_get_interface (&dev) < 0)
usb_lld_ctrl_error (&dev);
continue;
case USB_EVENT_SET_FEATURE_DEVICE:
case USB_EVENT_SET_FEATURE_ENDPOINT:
case USB_EVENT_CLEAR_FEATURE_DEVICE:
case USB_EVENT_CLEAR_FEATURE_ENDPOINT:
usb_lld_ctrl_ack (&dev);
continue;
case USB_EVENT_CTRL_WRITE_FINISH:
/* Control WRITE transfer finished. */
usb_ctrl_write_finish (&dev);
continue;
case USB_EVENT_OK:
case USB_EVENT_DEVICE_SUSPEND:
default:
continue;
}
}
}
return NULL;
}
static void
usb_tx_done (uint8_t ep_num, uint16_t len)
{
if (ep_num == ENDP6)
EP6_IN_Callback (len);
}
static void
usb_rx_ready (uint8_t ep_num, uint16_t len)
{
if (ep_num == ENDP6)
EP6_OUT_Callback (len);
}
static char __process3_stack_base__[4096];
#define STACK_ADDR_USB ((uintptr_t)__process3_stack_base__)
#define STACK_SIZE_USB (sizeof __process3_stack_base__)
#ifdef GNU_LINUX_EMULATION
#define main emulated_main
#endif
/*
* Entry point.
*
* NOTE: the main function is already a thread in the system on entry.
*/
int
main (int argc, char **argv)
{
chopstx_t usb_thd;
(void)argc;
(void)argv;
chopstx_mutex_init (&usb_mtx);
chopstx_cond_init (&usb_cnd);
bDeviceState = USB_DEVICE_STATE_UNCONNECTED;
usb_thd = chopstx_create (PRIO_USB, STACK_ADDR_USB, STACK_SIZE_USB,
usb_main, NULL);
fraucheky_init ();
while (bDeviceState != USB_DEVICE_STATE_CONFIGURED)
chopstx_usec_wait (250*1000);
fraucheky_main ();
chopstx_cancel (usb_thd);
chopstx_join (usb_thd, NULL);
usb_lld_shutdown ();
bDeviceState = USB_DEVICE_STATE_UNCONNECTED;
return 0;
}

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gnuk/chopstx/example-fs-bb48/Makefile
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@ -1,36 +0,0 @@
# Makefile for example application of Chopstx
PROJECT = sample
### Currently, it's for FS-BB48.
CHOPSTX = ..
LDSCRIPT= sample.ld
CSRC = sample.c usb-cdc.c command.c touch.c
CHIP=mkl27z
USE_SYS = yes
USE_USB = yes
USE_ADC = yes
###################################
CROSS = arm-none-eabi-
CC = $(CROSS)gcc
LD = $(CROSS)gcc
OBJCOPY = $(CROSS)objcopy
MCU = cortex-m0plus
CWARN = -Wall -Wextra -Wstrict-prototypes
DEFS = -DFREE_STANDING -DMHZ=48 -DUSE_SYS3
OPT = -O3 -Os -g
LIBS =
####################
include ../rules.mk
board.h:
@echo Please make a symbolic link \'board.h\' to a file in ../board;
@exit 1
distclean: clean
rm -f board.h

0
gnuk/chopstx/example-fs-bb48/board.h
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542
gnuk/chopstx/example-fs-bb48/command.c
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@ -1,542 +0,0 @@
#include <string.h>
#include <stdint.h>
#include <chopstx.h>
#include "tty.h"
#include "config.h"
#ifdef ADC_SUPPORT
#include "adc.h"
static int adc_initialized = 0;
#endif
#include "board.h"
#include "sys.h"
struct command_table
{
const char *name;
void (*handler) (struct tty *tty, const char *line);
};
/*
* Put a line (or lines) to TTY.
* LINE should be terminated with newline.
*/
static void
put_line (struct tty *tty, const char *line)
{
tty_send (tty, line, strlen (line));
}
static const char *help_string =
"mdw ADDR [COUNT]; memory display word\r\n"
"mww ADDR VALUE [COUNT]; memory write word\r\n"
"fes ADDR [COUNT]; flash erase sector\r\n"
"fww ADDR VALUE [COUNT]; flash write word\r\n"
#ifdef CRC32_SUPPORT
"crc32 string; CRC32 calc string\r\n"
#endif
#ifdef ADC_SUPPORT
"adc; get 256-byte from ADC\r\n"
#endif
"sysinfo; system information\r\n"
"help\r\n";
static char hexchar (uint8_t x)
{
x &= 0x0f;
if (x <= 0x09)
return '0' + x;
else if (x <= 0x0f)
return 'a' + x - 10;
else
return '?';
}
static char *
compose_decimal (char *s, int value)
{
uint32_t v;
int col = 1000000000;
int d;
int digit_output = 0;
if (value < 0)
{
*s++ = '-';
v = 1 + ~((uint32_t)value);
}
else
v = (uint32_t)value;
while (col >= 10)
{
if (v >= (uint32_t)col)
{
d = v / col;
v = v - d * col;
*s++ = d + '0';
digit_output = 1;
}
else if (digit_output)
*s++ = '0';
col = col / 10;
}
*s++ = v + '0';
return s;
}
static char *
compose_hex (char *s, uint32_t v)
{
s[0] = hexchar (v >> 28);
s[1] = hexchar (v >> 24);
s[2] = hexchar (v >> 20);
s[3] = hexchar (v >> 16);
s[4] = hexchar (v >> 12);
s[5] = hexchar (v >> 8);
s[6] = hexchar (v >> 4);
s[7] = hexchar (v);
return s+8;
}
static const char *
get_hex (struct tty *tty, const char *s, uint32_t *v_p)
{
uint32_t v = 0;
char c;
if (s[0] == '0' && s[1] == 'x')
s = s + 2;
while (1)
{
c = *s++;
if (c == 0)
{
s--;
break;
}
if (c == ' ')
break;
v = (v << 4);
if (c >= '0' && c <= '9')
v += (c - '0');
else if (c >= 'a' && c <= 'f')
v += (c - 'a') + 10;
else if (c >= 'A' && c <= 'F')
v += (c - 'A') + 10;
else
{
put_line (tty, "hex error\r\n");
return NULL;
}
}
*v_p = v;
return s;
}
#define TOUCH_VALUE_HIGH 100
#define TOUCH_VALUE_LOW 50
static void
cmd_button (struct tty *tty, const char *line)
{
int i = 0;
extern uint16_t touch_get (void);
uint16_t v0 = 0;
int touched = 0;
(void)line;
put_line (tty, "Please touch the bear.\r\n");
while (i < 16)
{
uint16_t v = touch_get ();
v0 = (v0 * 2 + v)/3;
if (touched == 0 && v0 > TOUCH_VALUE_HIGH)
{
tty_send (tty, "!", 1);
touched = 1;
}
else if (touched == 1 && v0 < TOUCH_VALUE_LOW)
{
tty_send (tty, ".", 1);
touched = 0;
i++;
}
chopstx_usec_wait (10*1000);
}
tty_send (tty, "\r\n", 2);
}
static void
cmd_touch (struct tty *tty, const char *line)
{
int i;
extern uint16_t touch_get (void);
(void)line;
put_line (tty, "Please touch the bear.\r\n");
for (i = 0; i < 20; i++)
{
uint16_t v;
char output[8];
char *s;
chopstx_usec_wait (1000*1000);
v = touch_get ();
s = compose_decimal (output, v);
*s++ = '\r';
*s++ = '\n';
tty_send (tty, output, s - output);
}
}
static void
cmd_mdw (struct tty *tty, const char *line)
{
int i;
uint32_t addr = 0;
int count = 0;
char c;
const char *s = line;
s = get_hex (tty, s, &addr);
addr &= ~3;
if (s == NULL)
return;
if (*s == 0)
count = 1;
else
{
while (1)
{
c = *s++;
if (c == 0 || c == ' ')
break;
count = count * 10;
if (c >= '0' && c <= '9')
count += c - '0';
else
{
put_line (tty, "mdw error\r\n");
return;
}
}
}
i = 0;
while (i < count)
{
uint32_t v;
char output[48];
char *s;
s = compose_hex (output, addr);
*s++ = ':';
*s++ = ' ';
while (1)
{
v = *(uint32_t *)addr;
s = compose_hex (s, v);
i++;
addr += 4;
if (i >= count || (i % 4) == 0)
break;
*s++ = ' ';
}
*s++ = '\r';
*s++ = '\n';
tty_send (tty, output, s - output);
}
}
static void
cmd_mww (struct tty *tty, const char *line)
{
(void)tty;
(void)line;
put_line (tty, "mww not yet supported\r\n");
}
static void
cmd_fes (struct tty *tty, const char *line)
{
int i;
uint32_t addr = 0;
int count = 0;
char c;
const char *s = line;
s = get_hex (tty, s, &addr);
if (s == NULL)
return;
if (*s == 0)
count = 1;
else
{
while (1)
{
c = *s++;
if (c == 0 || c == ' ')
break;
count = count * 10;
if (c >= '0' && c <= '9')
count += c - '0';
else
{
put_line (tty, "fww error\r\n");
return;
}
}
}
for (i = 0; i < count; i++)
{
flash_erase_page (addr);
addr += 1024;
}
}
static void
cmd_fww (struct tty *tty, const char *line)
{
int i;
uint32_t addr = 0;
uint32_t value = 0;
int count = 0;
char c;
const char *s = line;
s = get_hex (tty, s, &addr);
if (s == NULL)
return;
if (*s == 0)
return;
s = get_hex (tty, s, &value);
if (s == NULL)
return;
if (*s == 0)
count = 1;
else
{
while (1)
{
c = *s++;
if (c == 0 || c == ' ')
break;
count = count * 10;
if (c >= '0' && c <= '9')
count += c - '0';
else
{
put_line (tty, "fww error\r\n");
return;
}
}
}
for (i = 0; i < count; i++)
{
flash_program_word (addr, value);
addr += 4;
}
}
#ifdef CRC32_SUPPORT
static unsigned int crc_value;
static void
cmd_crc32 (struct tty *tty, const char *line)
{
uint32_t v;
char string[10];
char *s;
crc32_init (&crc_value);
while (*line)
crc32_u8 (&crc_value, *line++);
v = crc_value ^ 0xffffffff;
s = compose_hex (string, v);
*s++ = '\r';
*s++ = '\n';
tty_send (tty, string, sizeof (string));
}
#endif
#ifdef ADC_SUPPORT
static void
cmd_adc (struct tty *tty, const char *line)
{
int i;
char output[73];
char *s;
(void)line;
if (!adc_initialized)
{
if (adc_init ())
{
put_line (tty, "adc_init error\r\n");
return;
}
else
{
adc_start ();
adc_initialized = 1;
}
}
adc_start_conversion (0, 64);
adc_wait_completion ();
i = 0;
s = output;
while (1)
{
s = compose_hex (s, adc_buf[i]);
i++;
if ((i % 8))
*s++ = ' ';
else
{
*s++ = '\r';
*s++ = '\n';
tty_send (tty, output, s - output);
s = output;
if (i >= 64)
break;
}
}
}
#endif
static void
cmd_sysinfo (struct tty *tty, const char *line)
{
char output[73];
char *s;
int i;
(void)line;
memcpy (output, "SYS version: ", 13);
s = output + 13;
*s++ = sys_version[2];
*s++ = sys_version[4];
*s++ = sys_version[6];
*s++ = '\r';
*s++ = '\n';
tty_send (tty, output, s - output);
memcpy (output, "Board ID: ", 10);
s = output + 10;
s = compose_hex (s, sys_board_id);
*s++ = '\r';
*s++ = '\n';
tty_send (tty, output, s - output);
memcpy (output, "Board name: ", 12);
s = output + 12;
for (i = 0; i < (int)sizeof (output) - 2; i ++)
if ((*s = sys_board_name[i]) == 0)
break;
else
s++;
*s++ = '\r';
*s++ = '\n';
tty_send (tty, output, s - output);
}
static void
cmd_help (struct tty *tty, const char *line)
{
(void)line;
put_line (tty, help_string);
}
struct command_table command_table[] = {
{ "button", cmd_button },
{ "touch", cmd_touch },
{ "mdw", cmd_mdw },
{ "mww", cmd_mww },
{ "fes", cmd_fes },
{ "fww", cmd_fww },
#ifdef CRC32_SUPPORT
{ "crc32", cmd_crc32 },
#endif
#ifdef ADC_SUPPORT
{ "adc", cmd_adc },
#endif
{ "sysinfo", cmd_sysinfo },
{ "help", cmd_help },
};
#define N_CMDS (int)(sizeof (command_table) / sizeof (struct command_table))
/*
* Dispatch a command parsing LINE.
* Line is NULL terminated with no newline.
*/
void
cmd_dispatch (struct tty *tty, const char *line)
{
int i;
const char *p;
unsigned int n = 0;
p = line;
while (*p)
{
if (*p++ == ' ')
break;
n++;
}
for (i = 0; i < N_CMDS; i++)
if (n == strlen (command_table[i].name)
&& strncmp ((const char *)line, command_table[i].name, n) == 0)
break;
if (i != N_CMDS)
(*command_table[i].handler) (tty, p);
else
{
char crlf[] = { '\r', '\n' };
put_line (tty, "No such command: ");
tty_send (tty, line, n);
tty_send (tty, crlf, sizeof (crlf));
}
}

1
gnuk/chopstx/example-fs-bb48/command.h
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@ -1 +0,0 @@
void cmd_dispatch (struct tty *tty, const char *line);

2
gnuk/chopstx/example-fs-bb48/config.h
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#define CRC32_SUPPORT
#define ADC_SUPPORT

22
gnuk/chopstx/example-fs-bb48/crc32.c
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@ -1,22 +0,0 @@
const unsigned int *const crc32_table= (const unsigned int *)0x00000480;
void
crc32_init (unsigned int *p)
{
*p = 0xffffffff;
}
static void
crc32_u8 (unsigned int *p, unsigned char v)
{
*p = crc32_table[(*p & 0xff) ^ v] ^ (*p >> 8);
}
void
crc32_u32 (unsigned int *p, unsigned int u)
{
crc32_u8 (p, u & 0xff);
crc32_u8 (p, (u >> 8)& 0xff);
crc32_u8 (p, (u >> 16)& 0xff);
crc32_u8 (p, (u >> 24)& 0xff);
}

22
gnuk/chopstx/example-fs-bb48/gen_crc_table.py
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@ -1,22 +0,0 @@
#
# Polynomial for CRC32:
# x26 + x23 + x22 + x16 + x12 + x11 + x10 + x8 + x7 + x5 + x4 + x2 + x + 1
#
# When it is represented in binary, it's:
# 0x04C11DB7
# =
# 0000 0100 1100 0001 0001 1101 1011 0111
#
# When we put in reverse bit-order, it's
# 0xedb88320
for i in range(0,256):
c = i
for j in range(0,8):
if (c&1):
c = 0xEDB88320 ^ (c >> 1)
else:
c = c >> 1
print("0x%08x," % c),
if (i % 6) == 5:
print("")

189
gnuk/chopstx/example-fs-bb48/sample.c
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#include <stdint.h>
#include <stdlib.h>
#include <string.h>
#include <chopstx.h>
#include "usb_lld.h"
#include "tty.h"
#include "board.h"
#include "command.h"
#include <sys.h>
static chopstx_mutex_t mtx;
static chopstx_cond_t cnd0;
static chopstx_cond_t cnd1;
uint8_t u;
static uint8_t v;
static uint8_t m; /* 0..100 */
static void
wait_for (uint32_t usec)
{
#if defined(BUSY_LOOP)
uint32_t count = usec * 6;
uint32_t i;
for (i = 0; i < count; i++)
asm volatile ("" : : "r" (i) : "memory");
#else
chopstx_usec_wait (usec);
#endif
}
static void *
pwm (void *arg)
{
(void)arg;
chopstx_mutex_lock (&mtx);
chopstx_cond_wait (&cnd0, &mtx);
chopstx_mutex_unlock (&mtx);
while (1)
{
set_led (u&v);
wait_for (m);
set_led (0);
wait_for (100-m);
}
return NULL;
}
static void *
blk (void *arg)
{
(void)arg;
chopstx_mutex_lock (&mtx);
chopstx_cond_wait (&cnd1, &mtx);
chopstx_mutex_unlock (&mtx);
while (1)
{
v = 0;
wait_for (200*1000);
v = 1;
wait_for (200*1000);
}
return NULL;
}
#define PRIO_PWM 3
#define PRIO_BLK 2
extern uint8_t __process1_stack_base__[], __process1_stack_size__[];
extern uint8_t __process2_stack_base__[], __process2_stack_size__[];
#define STACK_ADDR_PWM ((uint32_t)__process1_stack_base__)
#define STACK_SIZE_PWM ((uint32_t)__process1_stack_size__)
#define STACK_ADDR_BLK ((uint32_t)__process2_stack_base__)
#define STACK_SIZE_BLK ((uint32_t)__process2_stack_size__)
static char hexchar (uint8_t x)
{
x &= 0x0f;
if (x <= 0x09)
return '0' + x;
else if (x <= 0x0f)
return 'a' + x - 10;
else
return '?';
}
extern void touch_init (void);
int
main (int argc, const char *argv[])
{
struct tty *tty;
uint8_t count;
(void)argc;
(void)argv;
chopstx_mutex_init (&mtx);
chopstx_cond_init (&cnd0);
chopstx_cond_init (&cnd1);
m = 10;
chopstx_create (PRIO_PWM, STACK_ADDR_PWM, STACK_SIZE_PWM, pwm, NULL);
chopstx_create (PRIO_BLK, STACK_ADDR_BLK, STACK_SIZE_BLK, blk, NULL);
chopstx_usec_wait (200*1000);
chopstx_mutex_lock (&mtx);
chopstx_cond_signal (&cnd0);
chopstx_cond_signal (&cnd1);
chopstx_mutex_unlock (&mtx);
u = 1;
touch_init ();
tty = tty_open ();
tty_wait_configured (tty);
count = 0;
m = 50;
while (1)
{
char s[LINEBUFSIZE];
connection_loop:
u = 1;
tty_wait_connection (tty);
chopstx_usec_wait (50*1000);
/* Send ZLP at the beginning. */
tty_send (tty, s, 0);
memcpy (s, "xx: Hello, World with Chopstx!\r\n", 32);
s[0] = hexchar (count >> 4);
s[1] = hexchar (count & 0x0f);
count++;
if (tty_send (tty, s, 32) < 0)
continue;
while (1)
{
uint32_t usec;
/* Prompt */
if (tty_send (tty, "> ", 2) < 0)
break;
usec = 3000000; /* 3.0 seconds */
while (1)
{
int size = tty_recv (tty, s, &usec);
u ^= 1;
if (size < 0)
goto connection_loop;
if (size == 1)
/* Do nothing but prompt again. */
break;
else if (size)
{
/* Newline into NUL */
s[size - 1] = 0;
cmd_dispatch (tty, (char *)s);
break;
}
}
}
}
return 0;
}

150
gnuk/chopstx/example-fs-bb48/sample.ld
View File

@ -1,150 +0,0 @@
/*
* MK27Z memory setup.
*/
__main_stack_size__ = 0x0100; /* Idle+Exception handlers */
__process0_stack_size__ = 0x0300; /* Main program */
__process1_stack_size__ = 0x0200; /* first thread program */
__process2_stack_size__ = 0x0100; /* second thread program */
__process3_stack_size__ = 0x0200; /* third thread program */
MEMORY
{
flash : org = 0x00000000, len = 256k
ram : org = 0x1fffe000, len = 32k
}
__ram_start__ = ORIGIN(ram);
__ram_size__ = 32k;
__ram_end__ = __ram_start__ + __ram_size__;
SECTIONS
{
. = 0;
_text = .;
.text : ALIGN(16) SUBALIGN(8)
{
KEEP(*(.first_page.first_words))
KEEP(*(.sys.version))
KEEP(*(.sys.board_info))
KEEP(*(.sys.vectors))
build/sys-*.o(.text)
build/sys-*.o(.text.*)
build/sys-*.o(.rodata)
build/sys-*.o(.rodata.*)
. = ALIGN(1024);
KEEP(*(.flash_config))
KEEP(*(.fixed_function.reset))
KEEP(*(.fixed_function.flash_do_internal))
KEEP(*(.fixed_function.flash_do))
KEEP(*(.fixed_function.flash_erase_page))
KEEP(*(.fixed_function.flash_program_word))
KEEP(*(.fixed_function.crc32_init))
KEEP(*(.fixed_function.crc32_u8))
KEEP(*(.fixed_function.crc32_u32))
/*
* Because of alignment requirement
* of startup.vectors, align to 256.
*/
. = ALIGN(256);
KEEP(*(.crc32_table))
KEEP(*(.startup.vectors))
. = ALIGN(16);
*(.text.startup.*)
*(.text)
*(.text.*)
*(.rodata)
*(.rodata.*)
*(.glue_7t)
*(.glue_7)
*(.gcc*)
. = ALIGN(8);
} > flash =0xffffffff
/DISCARD/ :
{
*(.bss.startup.0)
}
.ARM.extab : {*(.ARM.extab* .gnu.linkonce.armextab.*)} > flash
.ARM.exidx : {
PROVIDE(__exidx_start = .);
*(.ARM.exidx* .gnu.linkonce.armexidx.*)
PROVIDE(__exidx_end = .);
} > flash =0xffffffff
.eh_frame_hdr : {*(.eh_frame_hdr)} > flash
.eh_frame : ONLY_IF_RO {*(.eh_frame)} > flash
.textalign : ONLY_IF_RO { . = ALIGN(8); } > flash
_etext = .;
_textdata = _etext;
.process_stack :
{
. = ALIGN(8);
__process3_stack_base__ = .;
. += __process3_stack_size__;
. = ALIGN(8);
__process3_stack_end__ = .;
__process2_stack_base__ = .;
. += __process2_stack_size__;
. = ALIGN(8);
__process2_stack_end__ = .;
__process1_stack_base__ = .;
. += __process1_stack_size__;
. = ALIGN(8);
__process1_stack_end__ = .;
__process0_stack_base__ = .;
. += __process0_stack_size__;
. = ALIGN(8);
__process0_stack_end__ = .;
} > ram
.main_stack :
{
. = ALIGN(8);
__main_stack_base__ = .;
. += __main_stack_size__;
. = ALIGN(8);
__main_stack_end__ = .;
} > ram
.data :
{
. = ALIGN(4);
PROVIDE(_data = .);
*(.data)
. = ALIGN(4);
*(.data.*)
. = ALIGN(4);
*(.ramtext)
. = ALIGN(4);
PROVIDE(_edata = .);
} > ram AT > flash =0xffffffff
.bss :
{
. = ALIGN(4);
PROVIDE(_bss_start = .);
*(.bss)
. = ALIGN(4);
*(.bss.*)
. = ALIGN(4);
*(COMMON)
. = ALIGN(512);
__usb_bdt__ = .;
. += 512;
PROVIDE(_bss_end = .);
} > ram
PROVIDE(end = .);
_end = .;
}
__heap_base__ = _end;
__heap_end__ = __ram_end__;

99
gnuk/chopstx/example-fs-bb48/touch.c
View File

@ -1,99 +0,0 @@
#include <stdint.h>
#include <stdlib.h>
#include <chopstx.h>
#include <mcu/mkl27z.h>
struct TPM {
volatile uint32_t SC;
volatile uint32_t CNT;
volatile uint32_t MOD;
volatile uint32_t C0SC;
volatile uint32_t C0V;
volatile uint32_t C1SC;
volatile uint32_t C1V;
uint32_t rsvd0[13];
volatile uint32_t STATUS;
uint32_t rsvd1[7];
volatile uint32_t POL;
uint32_t rsvd2[4];
volatile uint32_t CONF;
};
static struct TPM *const TPM1 = (struct TPM *)0x40039000;
static chopstx_intr_t tpm1_intr;
#define INTR_REQ_TPM1 18
static void
gpio_assert_low (void)
{
/* Assert LOW. */
PORTB->PCR1 = (1<<8) /* GPIO */
| (0<<6) /* DriveStrengthEnable=0 */
| (0<<4) /* PassiveFilterEnable=0 */
| (1<<2) /* SlewRateEnable = slow */
| (0<<1) /* pull enable = 0 */
| (0<<0) /* pull up select= 0 */
;
GPIOB->PCOR = (1 << 1); /* PTB1: Clear: Output 0 */
}
uint16_t
touch_get (void)
{
chopstx_prio_t prio_old;
uint16_t v;
prio_old = chopstx_setpriority (CHOPSTX_PRIO_INHIBIT_PREEMPTION);
/*
* Start the timer's counter.
* TOF clear, TOIE=1, CPWMS=0, CMOD=1, PS=011.
*/
TPM1->SC = 0xcb;
/* Let the register to pull it up. */
PORTB->PCR1 = (3<<8) /* TPM1_CH1 */
| (0<<6) /* DriveStrengthEnable=0 */
| (0<<4) /* PassiveFilterEnable=0 */
| (1<<2) /* SlewRateEnable = slow */
| (0<<1) /* pull enable = 0 */
| (0<<0) /* pullup select= 0 */
;
chopstx_setpriority (prio_old);
chopstx_intr_wait (&tpm1_intr);
gpio_assert_low ();
v = TPM1->C1V;
/* Clear overflow and CH1 capture. */
TPM1->STATUS = 0x102;
/* Stop the timer. */
TPM1->SC = 0;
TPM1->CNT = 0xffff; /* Writing causes reset of the counter. */
chopstx_intr_done (&tpm1_intr);
return v;
}
void
touch_init (void)
{
chopstx_claim_irq (&tpm1_intr, INTR_REQ_TPM1);
/* Input capture mode: MSB = 0, MSA = 0 */
/* Rising edge: ELSB=0 ELSA=1 */
TPM1->C1SC = 0x84;
TPM1->POL=0;
/* No trigger. */
/* Stop on overflow: CSOO=1 */
/* Run the timer in the debug mode */
TPM1->CONF = 0x000200c0;
TPM1->CNT = 0xffff; /* Writing causes reset of the counter. */
gpio_assert_low ();
}

9
gnuk/chopstx/example-fs-bb48/tty.h
View File

@ -1,9 +0,0 @@
#define LINEBUFSIZE 128
struct tty;
struct tty *tty_open (void);
void tty_wait_configured (struct tty *tty);
void tty_wait_connection (struct tty *tty);
int tty_send (struct tty *tty, const char *buf, int count);
int tty_recv (struct tty *tty, char *buf, uint32_t *timeout);

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