#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

#include <stdio.h>
#include <sys/ioctl.h>
#include <errno.h>
#include <syslog.h>


int main(int argc, char** argv)
{
 int  led_fd;
 int  led_nr;
 int  f_status  = 1;
 int  cmd   = 0;


 if (argc != 3)
 {
  printf("Error. usage: %s on|off led_nr\n", argv[0]);
  f_status = 0;
 }

 if (f_status)
 {

  if (strcmp(argv[1],"on") == 0)
  {
   cmd = 1;
  }

  led_nr = atoi(argv[2]);

  led_fd = open("/dev/led0",O_RDWR);

  ioctl(led_fd, cmd, led_nr);

  close(led_fd);
 }

 return 0;
}

 /*led_set.c  -  with thanks from Sunspot to TheKr1S 20May06*/
 /*type--- led_set on 8 ----to turn the LED 8 on */