/********************************************************
 * Interrupt Handling for PWM and timer interrupts.     *
 * Designed to pulse width modulated an analog signal.  *
 * by TDB; 28.11.2019                       *
 ********************************************************/
#include <Arduino.h>
#include "pwmWrite.h"
#include "mainheader.h"

extern pwmWrite OBJECT_NAME;

/* --- Interrupt Handler --- */

void TC0_Handler() {
  TC0 -> TC_CHANNEL[0].TC_SR;   // clear and read status register
  if(sampleNo == NUM_OF_SAMPLES)
    sampleNo = 0;     // continous sample rotation
  
  OBJECT_NAME.duty(pwm_pin, signal_TC[sampleNo]);  // write new duty cycle with value of 
  sampleNo++; // go to next sample
}

void TC1_Handler() {
  TC0 -> TC_CHANNEL[1].TC_SR;   // clear and read status register
  
  if(sampleNo == NUM_OF_SAMPLES)
    sampleNo = 0;     // continous sample rotation
  
  OBJECT_NAME.duty(pwm_pin, signal_TC[sampleNo]);  // write new duty cycle with value of sample  
  sampleNo++; // go to next sample
}

void TC2_Handler() {
  TC0 -> TC_CHANNEL[2].TC_SR;   // clear and read status register
  
  if(sampleNo == NUM_OF_SAMPLES)
    sampleNo = 0;     // continous sample rotation
  
  OBJECT_NAME.duty(pwm_pin, signal_TC[sampleNo]);  // write new duty cycle with value of sample
  sampleNo++; // go to next sample
}

/* --- TC3, TC4 and TC5 should never trigger through an pin, they are not wired and solely internal --- */
void TC3_Handler() {
  TC1 -> TC_CHANNEL[0].TC_SR;   // clear and read status register
  
  if(sampleNo == NUM_OF_SAMPLES)
    sampleNo = 0;     // continous sample rotation
  
  OBJECT_NAME.duty(pwm_pin, signal_TC[sampleNo]);  // write new duty cycle with value of sample
  sampleNo++; // go to next sample
}

void TC4_Handler() {
  TC1 -> TC_CHANNEL[1].TC_SR;   // clear and read status register
  
  if(sampleNo == NUM_OF_SAMPLES)
    sampleNo = 0;     // continous sample rotation
  
  OBJECT_NAME.duty(pwm_pin, signal_TC[sampleNo]);  // write new duty cycle with value of sample
  sampleNo++; // go to next sample
}

void TC5_Handler() {
  TC1 -> TC_CHANNEL[2].TC_SR;   // clear and read status register
  
  if(sampleNo == NUM_OF_SAMPLES)
    sampleNo = 0;     // continous sample rotation
  
  OBJECT_NAME.duty(pwm_pin, signal_TC[sampleNo]);  // write new duty cycle with value of sample
  sampleNo++; // go to next sample
}

void TC6_Handler() {
  TC2 -> TC_CHANNEL[0].TC_SR;   // clear and read status register
  
  if(sampleNo == NUM_OF_SAMPLES)
    sampleNo = 0;     // continous sample rotation
  
  OBJECT_NAME.duty(pwm_pin, signal_TC[sampleNo]);  // write new duty cycle with value of sample
  sampleNo++; // go to next sample
}

void TC7_Handler() {
  TC2 -> TC_CHANNEL[1].TC_SR;   // clear and read status register
  
  if(sampleNo == NUM_OF_SAMPLES)
    sampleNo = 0;     // continous sample rotation
    
  OBJECT_NAME.duty(pwm_pin, signal_TC[sampleNo]);  // write new duty cycle with value of sample
  sampleNo++; // go to next sample
}

void TC8_Handler() {
  TC2 -> TC_CHANNEL[2].TC_SR;   // clear and read status register
  
  if(sampleNo == NUM_OF_SAMPLES)
    sampleNo = 0;     // continous sample rotation
  
  OBJECT_NAME.duty(pwm_pin, signal_TC[sampleNo]);  // write new duty cycle with value of sample
  sampleNo++; // go to next sample  
}