Hi, did you actually echo anything to /sys/class/gpio/gpioX/value?
Vince Huang schrieb: > Hi,guys! > I am finding the gpio to enable USB_POWER for tl-wr843n(arthoes ar9341).I've > tried out all gpio number just can't power up the usb(with factory firmware > it does).Can someone kind to help me solve this? > These are the command I tried to find gpios,don't know if it's proper.But it > works on leds. > root@OpenWrt:~# echo 6 > /sys/class/gpio/export > root@OpenWrt:~# echo out > /sys/class/gpio/gpio6/direction > root@OpenWrt:~# echo 0 > /sys/class/gpio/export > root@OpenWrt:~# echo out > /sys/class/gpio/gpio0/direction > root@OpenWrt:~# echo 1 > /sys/class/gpio/export > root@OpenWrt:~# echo out > /sys/class/gpio/gpio1/direction > root@OpenWrt:~# echo 2 > /sys/class/gpio/export > root@OpenWrt:~# echo out > /sys/class/gpio/gpio2/direction > root@OpenWrt:~# echo 3 > /sys/class/gpio/export > root@OpenWrt:~# echo out > /sys/class/gpio/gpio3/direction > root@OpenWrt:~# echo 4 > /sys/class/gpio/export > root@OpenWrt:~# echo out > /sys/class/gpio/gpio4/direction > Mach is attached. > > > > > _______________________________________________ > openwrt-devel mailing list > openwrt-devel@lists.openwrt.org > https://lists.openwrt.org/mailman/listinfo/openwrt-devel _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/mailman/listinfo/openwrt-devel
