/*
    hackspacecon wand firmware

    interrupt routines

*/

#include <Arduino.h>

#include "rgbled.h"

extern uint8_t run_rgbprog;


// TCB0 general interrupt
ISR(TCB0_INT_vect)
{
    uint8_t intflags = TCB0.INTFLAGS;   

    // in this program, this interrupt is only used for timing.
    // we'll now return to executing loop()

    // reset the INTFLAGS - necessary on this series
    TCB0.INTFLAGS = intflags;
}

// button interrupt
ISR(PORTA_PORT_vect)
{
    uint8_t intflags = PORTA.INTFLAGS;

    // shitty debounce; this is bad practice
    delay(5);

	// was our pin changed?
    if (intflags & PIN2_bm) {
        // start or re-start running a program
        run_rgbprog = 1;        // run a new program
    }

    // reset the INTFLAGS - necessary on this series
    PORTA.INTFLAGS = intflags;
}