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#include "defines.h"

#include "IOC.h"

#include "STEPPER.h"

void IOC_Init(void) {

    INTCONbits.IOCIE = 1;

    // Enable interrupt on both edges on RA3 and RA4

    IOCAPbits.IOCAP3 = 1;

    IOCANbits.IOCAN3 = 1;

    IOCAPbits.IOCAP4 = 1;

    IOCANbits.IOCAN4 = 1;

}

void IOC_Interrupt_Handler(void) {

    STEP_LAT = 1;

    STEP_LAT = 0;

    if (IOCAFbits.IOCAF3) {

        // Delay to debounce button on any edge

        __delay_ms(1);

        if (SW_1_PORT) {

            switch (Get_Cur_Mode()) {

                case SINGLE_STEP:

                    STEPPER_Step();

                    break;

                case AUTO_STEP:

                    STEPPER_Toggle_Auto();

                    break;

                case SET_MICROSTEP:

                    STEPPER_Set_Next_Step();

                    break;

            }

        }

        // Delay to debounce button on any edge

        __delay_ms(1);

        IOCAFbits.IOCAF3 = 0;

        return;

    }

    if (IOCAFbits.IOCAF4) {

        // Delay to debounce button on any edge

        __delay_ms(1);

        if (SW_2_PORT) {

            Set_Next_Mode();

        }

        // Delay to debounce button on any edge

        __delay_ms(1);

        IOCAFbits.IOCAF4 = 0;

        return;

    }

}