Added CV and Gate outputs via 2x i2c MCP4725 modules

PageLive.ino

@@ -0,0 +1,177 @@
+/*
+[midi controller]
+knobs: cutoff freq./decay, resonance/accent, env mod/tunning, tempo
+
+buttons: previous pattern, next pattern, ctrl A/ctrl B, tempo -, tempo +, play/stop
+*/
+// TODO: implement pickup by value for controllers
+
+uint8_t _selected_ctrl = 0;
+// used for led visual feedback on buttons hold action
+bool _pattern_saved = false;
+bool _pattern_cleared = false;
+uint32_t _page_live_blink_timer = 0; 
+uint32_t _feedback_blink_timer = 0; 
+
+void processControllerButtons()
+{
+
+  // previous pattern
+  if ( released(GENERIC_BUTTON_1) ) {
+    if ( _selected_pattern != 0 ) {
+      lockPotsState(true); 
+      // auto save?  
+      //savePattern(_selected_pattern);
+      loadPattern(--_selected_pattern);    
+    }
+  }
+
+  // next pattern
+  if ( released(GENERIC_BUTTON_2) ) {
+    if ( _selected_pattern < PATTERN_NUMBER-1 ) {
+      lockPotsState(true);  
+      // auto save?
+      //savePattern(_selected_pattern);   
+      loadPattern(++_selected_pattern);
+    }
+  }
+
+  // save pattern
+  if ( holded(GENERIC_BUTTON_1, 2) ) {
+    savePattern(_selected_pattern);
+    _pattern_saved = true;
+    _feedback_blink_timer = millis();
+  }
+
+  // reset and delete pattern
+  if ( holded(GENERIC_BUTTON_2, 2) ) {
+    resetPattern(_selected_pattern); 
+    _pattern_cleared = true;
+    _feedback_blink_timer = millis();
+  }
+
+  // toogle between ctrl A and ctrl B setup for potentiometers
+  if ( pressed(GENERIC_BUTTON_3) ) {
+    lockPotsState(true);
+    _selected_ctrl = !_selected_ctrl;
+  }
+
+  // decrement 1 bpm from tempo
+  if ( pressed(GENERIC_BUTTON_4) ) {
+    uClock.setTempo(uClock.getTempo()-1);
+  }
+
+  // increment 1 bpm from tempo
+  if ( pressed(GENERIC_BUTTON_5) ) {
+    uClock.setTempo(uClock.getTempo()+1);
+  }
+
+}
+
+void processControllerLeds()
+{
+  static bool blink_state = true;
+  
+  // blink interface here for button 3 to 5
+  if ( millis() - _page_live_blink_timer >= 150 ) {
+    blink_state = !blink_state;
+    _page_live_blink_timer = millis();
+  }
+
+  if ( _pattern_saved == true ) {
+    digitalWrite(GENERIC_LED_1 , blink_state);
+    if ( millis() - _feedback_blink_timer >= 600 ) {
+      _pattern_saved = false;
+    }
+  } else if ( _selected_pattern == 0 ) { // first pattern? 
+    digitalWrite(GENERIC_LED_1 , HIGH);
+  } else {
+    digitalWrite(GENERIC_LED_1 , LOW);
+  }  
+
+  if ( _pattern_cleared == true ) {
+    digitalWrite(GENERIC_LED_2, blink_state);
+    if ( millis() - _feedback_blink_timer >= 600 ) {
+      _pattern_cleared = false;
+    }
+  } else if ( _selected_pattern == PATTERN_NUMBER-1 ) { // last pattern? 
+    digitalWrite(GENERIC_LED_2 , HIGH);
+  } else {
+    digitalWrite(GENERIC_LED_2 , LOW);
+  }  
+  
+  if ( _selected_ctrl == 0 ) {
+    digitalWrite(GENERIC_LED_3, LOW);
+  } else if ( _selected_ctrl == 1 ) {
+    digitalWrite(GENERIC_LED_3, HIGH);
+  } 
+
+  digitalWrite(GENERIC_LED_4, LOW);
+  digitalWrite(GENERIC_LED_5, LOW); 
+}
+
+void processControllerPots()
+{
+  uint16_t value;
+  uint8_t ctrl;
+
+#ifdef USE_MIDI_CTRL
+  
+  // GENERIC_POT_1: cutoff freq./decay
+  value = getPotChanges(GENERIC_POT_1, 0, 127);
+  if ( value != -1 ) {  
+    // send cc
+    if ( _selected_ctrl == 0 ) {
+      ctrl = MIDI_CTRL_CUTOFF;
+    } else if ( _selected_ctrl == 1 ) {
+      ctrl = MIDI_CTRL_DECAY;
+    }
+    ATOMIC(sendMidiMessage(MIDI_CC, ctrl, value, _sequencer[_selected_track].channel))
+  }  
+
+  // GENERIC_POT_2: resonance/accent
+  value = getPotChanges(GENERIC_POT_2, 0, 127);
+  if ( value != -1 ) {  
+    // send cc
+    if ( _selected_ctrl == 0 ) {
+      ctrl = MIDI_CTRL_RESONANCE;
+    } else if ( _selected_ctrl == 1 ) {
+      ctrl = MIDI_CTRL_ACCENT;
+    }
+    ATOMIC(sendMidiMessage(MIDI_CC, ctrl, value, _sequencer[_selected_track].channel))
+  }  
+
+  // GENERIC_POT_3: env mod/wave
+  value = getPotChanges(GENERIC_POT_3, 0, 127);
+  if ( value != -1 ) {  
+    // send cc
+    if ( _selected_ctrl == 0 ) {
+      ctrl = MIDI_CTRL_ENVMOD;
+    } else if ( _selected_ctrl == 1 ) {
+      ctrl = MIDI_CTRL_WAVE;
+    }
+    ATOMIC(sendMidiMessage(MIDI_CC, ctrl, value, _sequencer[_selected_track].channel))
+  }    
+
+#endif  
+
+  // GENERIC_POT_4: sequencer step length/global harmonic mode transpose 
+  if ( _selected_ctrl == 0 ) {
+    value = getPotChanges(GENERIC_POT_4, 1, STEP_MAX_SIZE);
+    if ( value != -1 ) {  
+      //clearStackNote(_selected_track);
+      ATOMIC(_sequencer[_selected_track].data.step_length = value);
+      if ( _step_edit >= _sequencer[_selected_track].data.step_length ) {
+        _step_edit = _sequencer[_selected_track].data.step_length-1;
+      }      
+    }
+  } else if ( _selected_ctrl == 1 ) {
+    value = getPotChanges(GENERIC_POT_4, 0, 24);
+    if ( value != -1 ) {  
+      //clearStackNote();
+      // -12 (0) +12 
+      ATOMIC(_transpose = value-12); 
+    }  
+  }
+   
+}