diff options
Diffstat (limited to 'recipes-core/udev/files/apalis-imx8x/toradex-adc.sh')
| -rwxr-xr-x | recipes-core/udev/files/apalis-imx8x/toradex-adc.sh | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/recipes-core/udev/files/apalis-imx8x/toradex-adc.sh b/recipes-core/udev/files/apalis-imx8x/toradex-adc.sh new file mode 100755 index 0000000..43aae6d --- /dev/null +++ b/recipes-core/udev/files/apalis-imx8x/toradex-adc.sh @@ -0,0 +1,21 @@ +#!/usr/bin/env sh +# +# Called from udev. Compatible to apalis-imx8x. +# +# Create/remove symlinks to/from the files with raw ain data. + +# Map the ADC lines: +# apalis-adc{0..3} -> ADMA.ADC.IN{0,1,4,5} + +if [ "$ACTION" = "add" ]; then + ln -s "/sys$DEVPATH/in_voltage0_raw" /dev/apalis-adc0 + ln -s "/sys$DEVPATH/in_voltage1_raw" /dev/apalis-adc1 + ln -s "/sys$DEVPATH/in_voltage4_raw" /dev/apalis-adc2 + ln -s "/sys$DEVPATH/in_voltage5_raw" /dev/apalis-adc3 +elif [ "$ACTION" = "remove" ]; then + rm -f /dev/apalis-adc0 + rm -f /dev/apalis-adc1 + rm -f /dev/apalis-adc2 + rm -f /dev/apalis-adc3 +fi + |