#include <Audio.h>
#include "config.h"
#include "audio_timer.h"

void AudioTimer::update(void)
{
  audio_block_t *in;

  in = receiveReadOnly(0);
  if (in)
    release(in);

  tick++;

  if (tick >= _steps)
  {
    if (step_function != NULL)
      (*step_function)();
    tick = 0;
  }
}

uint32_t AudioTimer::get_tick(void)
{
  return (tick);
}

void AudioTimer::set_bpm(uint8_t b)
{
  bpm = b;
}

void AudioTimer::function(uint8_t stepping, void(*func)())
{
  steps = stepping;
  if (func != NULL)
  {
    step_function = func;
    _steps = beat * float(bpm) * 4.0 / float(stepping) + 0.5;
  }
  else
    step_function = NULL;
}