CommandStation-EX/Timer.cpp

// This file is copied from https://github.com/davidcutting42/ArduinoTimers
// All Credit to David Cutting

#include <Arduino.h>

#if defined(ARDUINO_SAMD_ZERO)

#if defined(SAMC21)
#include "ATSAMC21G/Timer.h"
#else
#include "ATSAMD21G/Timer.h"
#endif

Timer TimerA(TCC0);
Timer TimerB(TCC1);
Timer TimerC(TCC2);

void TCC0_Handler() {
    if(TCC0->INTFLAG.bit.OVF) {
        TCC0->INTFLAG.bit.OVF = 1;
        TimerA.isrCallback();
    }
}

void TCC1_Handler() {
    if(TCC1->INTFLAG.bit.OVF) {
        TCC1->INTFLAG.bit.OVF = 1;
        TimerB.isrCallback();
    }
}

void TCC2_Handler() {
    if(TCC2->INTFLAG.bit.OVF) {
        TCC2->INTFLAG.bit.OVF = 1;
        TimerC.isrCallback();
    }
}
#elif defined(ARDUINO_AVR_MEGA) || defined(ARDUINO_AVR_MEGA2560)

#include "ATMEGA2560/Timer.h"

Timer TimerA(1);
Timer TimerB(3);
Timer TimerC(4);
Timer TimerD(5);

ISR(TIMER1_OVF_vect)
{
    TimerA.isrCallback();
}

ISR(TIMER3_OVF_vect)
{
    TimerB.isrCallback();
}

ISR(TIMER4_OVF_vect)
{
    TimerC.isrCallback();
}

ISR(TIMER5_OVF_vect)
{
    TimerD.isrCallback();
}

#elif defined(ARDUINO_AVR_UNO)      // Todo: add other 328 boards for compatibility

#include "ATMEGA328/Timer.h"

Timer TimerA(1);
Timer TimerB(2);

ISR(TIMER1_OVF_vect)
{
    TimerA.isrCallback();
}

ISR(TIMER2_OVF_vect)
{
    TimerB.isrCallback();
}

#elif defined(ARDUINO_ARCH_MEGAAVR)

#include "ATMEGA4809/Timer.h"

Timer TimerA(0);

ISR(TCA0_OVF_vect) {
    TimerA.isrCallback();
}

#endif