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29 lines
1.1 KiB
Plaintext
29 lines
1.1 KiB
Plaintext
What: /sys/bus/iio/devices/iio:deviceX/in_proximity<id>_setup
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Date: November 2021
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KernelVersion: 5.17
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Contact: Gwendal Grignou <gwendal@chromium.org>
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Description:
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SX9324 has 3 inputs, CS0, CS1 and CS2. Hardware layout
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defines if the input is
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+ not connected (HZ),
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+ grounded (GD),
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+ connected to an antenna where it can act as a base
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(DS - data shield), or measured input (MI).
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The sensor rotates measurement across 4 phases
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(PH0, PH1, PH2, PH3), where the inputs are configured
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and then measured.
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By default, during the first phase, [PH0], CS0 is measured,
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while CS1 and CS2 are used as shields.
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`cat in_proximity0_setup` returns "MI,DS,DS".
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[PH1], CS1 is measured, CS0 and CS2 are shield:
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`cat in_proximity1_setup` returns "DS,MI,DS".
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[PH2], CS2 is measured, CS0 and CS1 are shield:
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`cat in_proximity1_setup` returns "DS,DS,MI".
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[PH3], CS1 and CS2 are measured (combo mode):
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`cat in_proximity1_setup` returns "DS,MI,MI".
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Note, these are the chip default. Hardware layout will most
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likely dictate different output. The entry is read-only.
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