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en:gpiomem [2017/02/03 11:28] charles.park |
en:gpiomem [2017/02/03 11:30] charles.park |
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| ===== Rootless GPIO SYS-filesystem: /sys/class/gpio ===== | ===== Rootless GPIO SYS-filesystem: /sys/class/gpio ===== | ||
| + | <code> | ||
| + | $ sudo addgroup gpio | ||
| + | $ sudo usermod -a -G gpio odroid | ||
| + | $ cat /etc/udev/rules.d/90-odroid-sysfs.rules | ||
| + | </code> | ||
| + | |||
| + | <code> | ||
| SUBSYSTEM=="gpio", KERNEL=="gpiochip*", ACTION=="add", PROGRAM="/bin/sh -c 'chown root:gpio /sys/class/gpio/export /sys/class/gpio/unexport ; chmod 220 /sys/class/gpio/export /sys/class/gpio/unexport'" | SUBSYSTEM=="gpio", KERNEL=="gpiochip*", ACTION=="add", PROGRAM="/bin/sh -c 'chown root:gpio /sys/class/gpio/export /sys/class/gpio/unexport ; chmod 220 /sys/class/gpio/export /sys/class/gpio/unexport'" | ||
| SUBSYSTEM=="gpio", KERNEL=="gpio*", ACTION=="add", PROGRAM="/bin/sh -c 'chown root:gpio /sys%p/active_low /sys%p/direction /sys%p/edge /sys%p/value ; chmod 660 /sys%p/active_low /sys%p/direction /sys%p/edge /sys%p/value'" | SUBSYSTEM=="gpio", KERNEL=="gpio*", ACTION=="add", PROGRAM="/bin/sh -c 'chown root:gpio /sys%p/active_low /sys%p/direction /sys%p/edge /sys%p/value ; chmod 660 /sys%p/active_low /sys%p/direction /sys%p/edge /sys%p/value'" | ||
| + | </code> | ||
| + | |||
