Lab 8 One Direction.c

#include<plib.h> 
int i;
//Interrupt Functions
void __ISR(3) ButtonInterrupt(void){
    i = i+25;
    if(i>100)
    {//reset duty cycle
        i = 0;}
    OC1RS = i; //Cycle through duty cycle of 0%, 25%, 50%, 75%, 100%
    IFS0bits.INT0IF = 0;  // Clear Interrupt Flag
}

main()
{
     //Map OC1 and 2
    PPSOutput(1,RPA0,OC1);
    ANSELAbits.ANSA0 = 0;
    
    TRISAbits.TRISA0 = 0;  //Output to motor
    TRISBbits.TRISB7 = 1;  //Input pushbutton
  
    INTEnableSystemMultiVectoredInt(); 

    //Set up button interrupt
    INTCONbits.INT0EP = 1;
    IEC0bits.INT0IE = 1;  //enable interrupt
    IFS0bits.INT0IF = 0;  //set flag
    IPC0bits.INT0IP = 1; //Set highest priority
 
    
    //Setup Timer2
    T2CONbits.TGATE = 0; //Don't use gate
    T2CONbits.T32 = 0; //16 bit timer
    T2CONbits.TCS = 0; //Internal clock
    T2CONbits.TCKPS = 0; //1:1 prescale
    TMR2 = 0; // Clear timer 2
    PR2 = 99; // Period
    T2CONbits.ON = 1;//Enable timer 2

    //Setup Output Compare 1
    OC1CONbits.OCM = 6; //Set PWM mode
    OC1CONbits.OCTSEL = 0; //Timer 2 used
    OC1CONbits.OC32 = 0; //16 bit mode
    OC1CONbits.ON = 1; //Enable OC1
    OC1RS = 0; //0% duty factor
    
while(1);

}