PWM Motor Control with TMR2 on RC2

lab9.c

// PIC16F887 Configuration Bit Settings

#include <xc.h>

// CONFIG1
#pragma config FOSC = HS        // Oscillator Selection bits (HS oscillator: High-speed crystal/resonator on RA6/OSC2/CLKOUT and RA7/OSC1/CLKIN)
#pragma config WDTE = OFF       // Watchdog Timer Enable bit (WDT disabled and can be enabled by SWDTEN bit of the WDTCON register)
#pragma config PWRTE = OFF      // Power-up Timer Enable bit (PWRT disabled)
#pragma config MCLRE = ON       // RE3/MCLR pin function select bit (RE3/MCLR pin function is MCLR)
#pragma config CP = OFF         // Code Protection bit (Program memory code protection is disabled)
#pragma config CPD = OFF        // Data Code Protection bit (Data memory code protection is disabled)
#pragma config BOREN = OFF      // Brown Out Reset Selection bits (BOR disabled)
#pragma config IESO = OFF       // Internal External Switchover bit (Internal/External Switchover mode is disabled)
#pragma config FCMEN = OFF      // Fail-Safe Clock Monitor Enabled bit (Fail-Safe Clock Monitor is disabled)
#pragma config LVP = OFF        // Low Voltage Programming Enable bit (RB3 pin has digital I/O, HV on MCLR must be used for programming)

// CONFIG2
#pragma config BOR4V = BOR40V   // Brown-out Reset Selection bit (Brown-out Reset set to 4.0V)
#pragma config WRT = OFF        // Flash Program Memory Self Write Enable bits (Write protection off)
       
 void  init()               
  {
   ANSEL = 0X02;
   ANSELH = 0x00;
   TRISA = 0xFF;              //set PORTA input
   TRISC = 0x00;              //set PORTC output
   PORTC = 0;
   ADCON1 = 0x00;             //Left justify A/D result, use VDD and VSS as voltage references
   ADCON0 = 0x05;             //system clock Fosc/2,select RA0(AN0) as analog channel,turn on A/D module, but don't set GO yet
   PR2 = 0xFF;
   CCP1CON = 0x0C;            //single output pwm mode on RC2/CCP1
   CCPR1L = 0xFF;             //start duty cycle high
   TMR2IF = 0;
   T2CON = 0x07;              // tmr2 enable
   TRISC = 0xFB;              //set RC2 output
  }

 void  main()               
 {
   init();                  //call initialize function to setup ports and configure A/D settings
   while(1)                 //infinite loop
   {    
       GO = 1;              //start conversion
       while(GO);
       CCPR1L = ADRESH; 
   }
  }