Dc motor control with pic microcontroller ccs compiler

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//Programmer: Syed Tahmid Mahbub
//Compiler: mikroC PRO for PIC v4.60

unsigned int ADR;

void main() {
     PORTC = 0;
     TRISC = 0; //all PORTC pins output
     PORTA = 0;
     TRISA = 0x01; //RA0 input for pot
     CMCON = 7; //Disable analog comparators
     T2CON = 0; //Prescaler 1:1, TMR2 off
     ADCON1 = 14; //AN0 only analog
     ADC_Init(); //mikroC initializes ADC
     CCP1CON = 12; //PWM mode
     PR2 = 249; //16kHz PWM frequency
     while (1){
           ADR = ADC_Get_Sample(0) >> 2; //Get ADC reading for channel 0
           //and divide reading by 4
           if (ADR < 10){ //Setting lower bound
              TMR2ON_bit = 0; //Stop Timer and so stop PWM
              TMR2 = 0; //Clear Timer
              RC2_bit = 0; //Clear PWM output
           }
           else{
                if (ADR > 240){ //Setting upper bound
                   TMR2ON_bit = 0; //Stop Timer and so stop PWM
                   TMR2 = 0; //Clear Timer
                   RC2_bit = 1; //Keep PWM output high
                }
                else{ //Within upper and lower bounds
                      CCPR1L = ADR; //Set PWM duty cycle
                      TMR2ON_bit = 1; //If not on, turn on TMR2. If on, keep on
                }
           }
     }
}

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