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

#include <pigpio.h>

/*
   gcc -Wall -pthread -o servo_demo servo_demo.c -lpigpio

*/

#define GPIO_PIN 14

#define MIN_WIDTH 1000
#define MAX_WIDTH 2000

int alive = 1;
int value = 1500;
void stop(int signum)
{
   alive = 0;
}

int main(int argc, char *argv[])
{

   //init gpio lib
   if (gpioInitialise() < 0) return -1;
   //init signal interrupt
   gpioSetSignalFunc(SIGINT, stop);


   if (argc != 1) {
         printf("No CLA are supported!\n");
         exit(0);
   }



   printf("Welcome!\n.\n.\n.\n.\n.\n.\n.\nNow accepting values 1000-2000\nPress control-C to stop.\n");

   while(alive)
   {

      gpioServo(GPIO_PIN, value);
      if(scanf("%d", &value) == EOF){
            printf("Invalid Input!\n");
            break;
      }
   }

   printf("\nClosing up!\n");

   gpioServo(GPIO_PIN, 0);
   gpioTerminate();

   return 0;
}