From 6ba70eb580167611f8a5b061a9552eba25b34d6c Mon Sep 17 00:00:00 2001 From: Oleksandr Suvorov Date: Thu, 6 Aug 2020 15:29:32 +0300 Subject: colibri-imx8x: udev: add symlink to adc raw data Create symlinks for each supported by Colibri iMX6 ADC channels, standardizing names as colibri-ainX, according to the Colibri signal names table. Related-to: ELB-2839 Signed-off-by: Oleksandr Suvorov --- .../udev/files/colibri-imx8x/toradex-adc.sh | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100755 recipes-core/udev/files/colibri-imx8x/toradex-adc.sh (limited to 'recipes-core/udev/files/colibri-imx8x/toradex-adc.sh') diff --git a/recipes-core/udev/files/colibri-imx8x/toradex-adc.sh b/recipes-core/udev/files/colibri-imx8x/toradex-adc.sh new file mode 100755 index 0000000..143dfea --- /dev/null +++ b/recipes-core/udev/files/colibri-imx8x/toradex-adc.sh @@ -0,0 +1,21 @@ +#!/usr/bin/env sh +# +# Called from udev. Compatible to colibri-imx8x. +# +# Create/remove symlinks to/from the files with raw ain data. + +# Map the ADC lines: +# colibri-ain{0..3} -> ADMA.ADC.IN{0,1,4,5} + +if [ "$ACTION" = "add" ]; then + ln -s "/sys$DEVPATH/in_voltage0_raw" /dev/colibri-ain0 + ln -s "/sys$DEVPATH/in_voltage1_raw" /dev/colibri-ain1 + ln -s "/sys$DEVPATH/in_voltage4_raw" /dev/colibri-ain2 + ln -s "/sys$DEVPATH/in_voltage5_raw" /dev/colibri-ain3 +elif [ "$ACTION" = "remove" ]; then + rm -f /dev/colibri-ain0 + rm -f /dev/colibri-ain1 + rm -f /dev/colibri-ain2 + rm -f /dev/colibri-ain3 +fi + -- cgit v1.2.3