Added CV and Gate outputs via 2x i2c MCP4725 modules

AciduinoCV.ino

@@ -0,0 +1,48 @@
+// 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 "MCP4725.h"
+
+#include "config.h"
+
+MCP4725 DAC1(DAC_1_ADDR);
+MCP4725 DAC2(DAC_2_ADDR);
+
+bool updateCV1 = true;
+bool updateCV2 = true;
+bool sendGate1 = false;
+bool sendGate2 = false;
+uint8_t CV1Note;
+uint8_t CV2Note;
+
+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();
+
+  Wire.begin();
+  Wire.setClock(400000);
+  DAC1.begin();
+  DAC2.begin();
+  DAC1.setMaxVoltage(5.1);
+  DAC2.setMaxVoltage(5.1);
+}
+
+// User interaction goes here
+void loop() 
+{
+  processInterface();
+  processCV();
+}