tone-generator/tone-generator.ino

#include "tone.hpp"
#include "tones.hpp"
#include "dac.hpp"
#include "timing.hpp"
#include "util.hpp"
#include "scheduler.hpp"
#include "indicator.hpp"

static unsigned long int micros_at = 0;
static bool led_state = true;

inline unsigned long micros_diff() {
	unsigned long now = micros();
	unsigned long diff = now - micros_at;
	micros_at = now;
	return diff;
}

void setup() {
	dac::init();
  tones::init();
  scheduler::init();
  indicator::init();
}

void loop() {
  if(scheduler::running && timing::at >= scheduler::timestamp) {
    scheduler::do_all();
    indicator::update();
  }

  timing::update();
  
  float value = 0;
  uint32_t passed = timing::diff;

  for(int i = 0; i < tones::active; i++) {
    Tone& t = tones::all[i];
    t.update(passed);
    value += t.get();
  }

  dac::set(value);
}