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如题,在breed不亮
- breed> gpio led
- GPIO status name
- 7 on sys
- 8 on led1
复制代码
在openwrt两种方式也不亮
- root@XZB:~# cd /sys/class/leds/
- root@XZB:/sys/class/leds# ls
- timecloud:orange:status timecloud:white:status
- root@XZB:/sys/class/leds# cd timecloud\:white\:status/
- root@XZB:/sys/devices/platform/leds/leds/timecloud:white:status# ls
- brightness device max_brightness subsystem trigger uevent
- root@XZB:/sys/devices/platform/leds/leds/timecloud:white:status# echo 1 > brightness
- root@XZB:/sys/devices/platform/leds/leds/timecloud:white:status# echo 0 > brightness
- root@XZB:/sys/devices/platform/leds/leds/timecloud:white:status# rmmod leds_gpio
- root@XZB:/sys/devices/platform/leds/leds/timecloud:white:status# cd ..
- root@XZB:/sys/class/leds# cd ..
- root@XZB:/sys/class# ls
- bdi dma gpio mem mtd phy regulator tty
- block extcon leds misc net power_supply rtc ubi
- devcoredump firmware mdio_bus mt pci_bus ppp spi_master watchdog
- root@XZB:/sys/class# cd gpio/
- root@XZB:/sys/class/gpio# ls
- export gpiochip0 gpiochip32 gpiochip64 unexport
- root@XZB:/sys/class/gpio# echo 7 > export
- root@XZB:/sys/class/gpio# ls
- export gpio7 gpiochip0 gpiochip32 gpiochip64 unexport
- root@XZB:/sys/class/gpio# cd gpio7/
- root@XZB:/sys/devices/platform/1e000000.palmbus/1e000600.gpio/gpiochip0/gpio/gpio7# ls
- active_low device direction edge subsystem uevent value
- root@XZB:/sys/devices/platform/1e000000.palmbus/1e000600.gpio/gpiochip0/gpio/gpio7# echo out > direction
- root@XZB:/sys/devices/platform/1e000000.palmbus/1e000600.gpio/gpiochip0/gpio/gpio7# echo 1 > value
- root@XZB:/sys/devices/platform/1e000000.palmbus/1e000600.gpio/gpiochip0/gpio/gpio7# cat value
- 1
- root@XZB:/sys/devices/platform/1e000000.palmbus/1e000600.gpio/gpiochip0/gpio/gpio7# cat direction
- out
- root@XZB:/sys/devices/platform/1e000000.palmbus/1e000600.gpio/gpiochip0/gpio/gpio7# cd ..
- root@XZB:/sys/class/gpio# echo 8 > export
- root@XZB:/sys/class/gpio# cd gpio8/
- root@XZB:/sys/devices/platform/1e000000.palmbus/1e000600.gpio/gpiochip0/gpio/gpio8# echo out > direction
- root@XZB:/sys/devices/platform/1e000000.palmbus/1e000600.gpio/gpiochip0/gpio/gpio8# echo 1 > value
- root@XZB:/sys/devices/platform/1e000000.palmbus/1e000600.gpio/gpiochip0/gpio/gpio8#
复制代码
总得来说就是GPIO7对应白灯不亮,GPIO8对应黄灯三种方法都亮
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