/*  Name     : main.c
 *  Purpose  : Source code for SERVO MOTOR Interfacing with PIC18F4550.
 *  Author   : Gemicates
 *  Date     : 2017-06-22
 *  Website  : www.gemicates.org
 *  Revision : None
 */
#include<xc.h>                     // Header file for PIC18F4550
#define _XTAL_FREQ 12000000        // 12MHZ

void delay_ms();
void delay_us();
unsigned int i;
void main()
{  
    
 CMCON = 0x07;                     // To turn off comparators  
 ADCON1 = 0x0F;                    // A/D control register
 TRISC = 0x00;                     // PORTC as output
 while(1) {
      for(i=0;i<49;i++)            // rotate to 0 degree 
        {  
          PORTCbits.RC0=1;       
        __delay_us(900);  
          PORTCbits.RC0=0;  
        __delay_us(19100);  
        }   
       __delay_ms(20);             // delay for 0.02 sec  
    
         {
     for(i=0;i<49;i++)             // rotate to 45 degree 
        {
          PORTCbits.RC0=1;         
        __delay_us(1250);  
          PORTCbits.RC0=0;  
        __delay_us(18750);  
        }   
        __delay_ms(20);            // delay for 0.02 sec  
  
         {
     for(i=0;i<49;i++)             // rotate to 90 degree 
        {  
          PORTCbits.RC0=1;  
        __delay_us(1500);  
          PORTCbits.RC0=0;  
        __delay_us(18500);  
        }  
        __delay_ms(20);            // delay for 0.02 sec  
   
          {
     for(i=0;i<49;i++)             // rotate to 1350 degree 
        {  
          PORTCbits.RC0=1;  
        __delay_us(1750);  
          PORTCbits.RC0=0;  
        __delay_us(18250);  
        }  
        __delay_ms(20);            // delay for 0.02 sec  
      
          {
     for(i=0;i<49;i++)             // rotate to 180 degree
        {  
          PORTCbits.RC0=1;  
        __delay_us(2000);  
          PORTCbits.RC0=0;  
        __delay_us(18000);  
        }  
        __delay_ms(20);            // delay for 0.02 sec  
          }  
        }
      }
    }
  }
 
}