#include <wiringPi.h>
#include <stdio.h>
#include <stdlib.h>

int main (void)
{

  // check wiringPi setup
  if (wiringPiSetup() == -1)
  {
        printf("wiringPi-Error\n");
    exit(1);
  }
       pinMode(1, PWM_OUTPUT);
       pwmSetMode(PWM_MODE_MS);
       pwmSetClock(1920);
       pwmSetRange(100);

       printf("1 ms\r");fflush(0);
       pwmWrite(1,10);
       sleep(3);
       printf("2 ms\r");fflush(0);
       pwmWrite(1,20);
       sleep(3);
       printf("3 ms\r");fflush(0);
       pwmWrite(1,30);
       sleep(3);
       printf("4 ms\r");fflush(0);
       pwmWrite(1,40);
       sleep(3);
       printf("5 ms\r");fflush(0);
       pwmWrite(1,50);
       sleep(3);
       printf("6 ms\r");fflush(0);
       pwmWrite(1,60);
       sleep(3);
       printf("7 ms\r");fflush(0);
       pwmWrite(1,70);
       sleep(3);
       printf("8 ms\r");fflush(0);
       pwmWrite(1,80);
       sleep(3);
       printf("9 ms\r");fflush(0);
       pwmWrite(1,90);
       sleep(3);
}