forked from Qortal/Brooklyn
26 lines
720 B
Bash
26 lines
720 B
Bash
#!/bin/bash -x
|
|
#
|
|
# Send test frames from Pi, receive and check on rtlsdr, using vanilla rtl_sdr
|
|
|
|
Fs=240000
|
|
Rb=10000
|
|
numTxPackets=100
|
|
bitsPerPacket=100
|
|
numTxBits=$(( ${numTxPackets}*${Rb}/${bitsPerPacket} ))
|
|
passRxPackets=$(( $numTxPackets-10 ))
|
|
|
|
results=mktemp
|
|
|
|
# kick off rx in background
|
|
|
|
tsecs=5; rtl-sdr-blog/build_rtlsdr/src/rtl_sdr -g 1 -s $Fs -f 144500000 - -n $(($Fs*$tsecs)) | codec2/build_linux/src/fsk_demod -d -p 24 2 $Fs $Rb - - | codec2/build_linux/src/fsk_put_test_bits -q -p $passRxPackets - 2>&1 | tee ${RESULTS} &
|
|
rx_pid=$!
|
|
sleep 2
|
|
|
|
# send packets on Pi
|
|
|
|
ssh pi@raspberrypi "cd pirip/tx; ../../codec2/build_linux/src/fsk_get_test_bits - $numTxBits | sudo ./fsk_rpitx -"
|
|
|
|
# check results
|
|
wait ${rx_pid}
|