system_led.sh 326 B

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  1. #!/bin/sh
  2. if [ ! -L /sys/class/gpio/gpio72 ];then
  3. echo -e "create sys_led device\n"
  4. echo 72 > /sys/class/gpio/export
  5. echo out > /sys/class/gpio/gpio72/direction
  6. else
  7. echo -e "sys_led device exist\n"
  8. fi
  9. while [ 1 ]
  10. do
  11. sleep 1
  12. echo 0 > /sys/class/gpio/gpio72/value
  13. sleep 1
  14. echo 1 > /sys/class/gpio/gpio72/value
  15. done