C.H.I.P. GPIO as normal user

script and rules

This allows anyone in the "gpio" group to do GPIO operations


------ /etc/udev/rules.d/98-gpio-group.rules
# UDEV RULE TO CHANGE GPIO GROUP
# INITIALLY WRITTEN BY IOT_STEVE
# UPDATED BY XTACOCOREX
# THIS REQUIRES change_gpio_perms.sh TO BE INSTALLED IN /usr/local/bin/

SUBSYSTEM=="gpio", PROGRAM="/usr/local/bin/change_gpio_perms.sh"

------- /usr/local/bin/change_gpio_perms.sh
#!/bin/sh

# CHANGE PERMISSIONS AND GROUP FOR THE XIO-P* PINS
/bin/chown -R root:gpio /sys/devices/platform/soc\@01c00000/1c2b400.i2c/i2c-2/2-0038/gpio
/bin/chmod -R ug+rw /sys/devices/platform/soc\@01c00000/1c2b400.i2c/i2c-2/2-0038/gpio

# CHANGE PERMISSIONS AND GROUP FOR THE R8 PINS
/bin/chown -R root:gpio /sys/devices/platform/soc@01c00000/1c20800.pinctrl/gpio
/bin/chmod -R ug+rw /sys/devices/platform/soc@01c00000/1c20800.pinctrl/gpio