diff options
| author | Oleksandr Suvorov <oleksandr.suvorov@toradex.com> | 2020-08-06 15:29:32 +0300 |
|---|---|---|
| committer | Max Krummenacher <max.krummenacher@toradex.com> | 2020-09-14 09:46:56 +0200 |
| commit | 356ea51461d3e0477b7c2feb23d90845078387a6 (patch) | |
| tree | 99e89a9a8d1fab59a8f22718cd7236bbb70a9330 /recipes-core/udev/files/colibri-imx8x/toradex-adc.sh | |
| parent | 9f8dd1c4ff62bee44dd3e99d0f46f812787b8eb2 (diff) | |
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 <oleksandr.suvorov@toradex.com>
(cherry picked from commit 6ba70eb580167611f8a5b061a9552eba25b34d6c)
Diffstat (limited to 'recipes-core/udev/files/colibri-imx8x/toradex-adc.sh')
| -rwxr-xr-x | recipes-core/udev/files/colibri-imx8x/toradex-adc.sh | 21 |
1 files changed, 21 insertions, 0 deletions
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 + |