#include<stdlib.h>
#include<stdio.h>
#include<unistd.h>
void main（）
{
while(1)
{
system("echo 1 > /sys/class/leds/green_led/brightness");
system("echo 0 > /sys/class/leds/red_led/brightness");
sleep(1);
system("echo 0 >/sys/class/leds/green_led/brightness");
system("echo 1 > /sys/class/leds/red_led/brightness");
sleep(1);
}
}
sudo chmod 777 brightness 最高权限 给brightness最高的执行权限
