// Acid StepSequencer, a Roland TB303 step sequencer engine clone
// author: midilab contact@midilab.co
// under MIT license
// CV functionality added by Oleksiy Hrachov

#include <Arduino.h>
#include <Wire.h>
#include "config.h"

bool updateCV1 = true;
bool updateCV2 = true;
bool sendGate1 = false;
bool sendGate2 = false;
uint8_t CV1Note;
uint8_t CV2Note;

float DACNoteStep;

void setup() 
{
  // AcidStepSequencer Interface
  initAcidStepSequencer(MIDI_MODE);
  setTrackChannel(1, TRACK1_CHANNEL);
  setTrackChannel(2, TRACK2_CHANNEL);

  // pins, buttons, leds and pots config
  configureInterface();

  // last pattern user had load before power off
  loadLastPattern();

  DACNoteStep = (1.0 / 12.0) * 4096 / DAC_MAX_VOLTAGE;

  Wire.begin();
  Wire.setClock(400000);
  Wire.beginTransmission(0x60);
  Wire.write(0x40);
  Wire.write(0x00);
  Wire.write(0x00);
  Wire.endTransmission();
  Wire.beginTransmission(0x61);
  Wire.write(0x40);
  Wire.write(0x00);
  Wire.write(0x00);
  Wire.endTransmission();
}

// User interaction goes here
void loop() 
{
  processInterface();
  processCV();
}