updated libaries, debug mode for MIDI libary, commented bambatu.ino sketch

source/bombatu/bombatu.ino

@@ -7,65 +7,73 @@
 
 MIDI Midi;
 
+//MCP23017 I2C addresses 0,1,3 and 4 (2 is unused yet)
 INPUT_MCP23017 input_MCP23017_0;
 INPUT_MCP23017 input_MCP23017_1;
 INPUT_MCP23017 input_MCP23017_3;
 INPUT_MCP23017 input_MCP23017_4;
 
+//three 74HC4051 on analog pins A0,A1,A2; select on digital pins 8,9,10
 INPUT_74HC4051 input_4051_A0;
 INPUT_74HC4051 input_4051_A1;
 INPUT_74HC4051 input_4051_A2;
 
-ROTARY_ENCODER rotary_encoder_jogwheel_left(rotary_encoder_jogwheel_left_inc, rotary_encoder_jogwheel_left_dec);
-ROTARY_ENCODER rotary_encoder_jogwheel_right(rotary_encoder_jogwheel_right_inc, rotary_encoder_jogwheel_right_dec);
-ROTARY_ENCODER rotary_encoder_browse(rotary_encoder_browse_inc,rotary_encoder_browse_dec);
+//three rotary encoders connected to input_MCP23017_1 and input_MCP23017_3
+ROTARY_ENCODER rotary_encoder_jogwheel_left(rotary_encoder_jogwheel_left_inc, rotary_encoder_jogwheel_left_dec); //input_MCP23017_1 pins 6 and 7
+ROTARY_ENCODER rotary_encoder_jogwheel_right(rotary_encoder_jogwheel_right_inc, rotary_encoder_jogwheel_right_dec); //input_MCP23017_3 pins 9 and 1
+ROTARY_ENCODER rotary_encoder_browse(rotary_encoder_browse_inc,rotary_encoder_browse_dec); //input_MCP23017_3 pins 5 and 6
 
 
 void setup() {
+	//initialize MIDI
 	Midi.begin();
+	//initialize MCP23017s
 	input_MCP23017_0.begin(0,digitalCallback);
 	input_MCP23017_1.begin(1,digitalCallback1);
 	input_MCP23017_3.begin(3,digitalCallback3);
 	input_MCP23017_4.begin(4,digitalCallback);
-  
+	//initialize 74HC4051s
 	input_4051_A0.begin(A0,8,9,10,analogCallback);
 	input_4051_A1.begin(A1,8,9,10,analogCallback);
 	input_4051_A2.begin(A2,8,9,10,analogCallback);
 }
 
 void loop() {
+	//loop MCP23017s for callbacks
 	input_MCP23017_0.loop(); 
 	input_MCP23017_1.loop(); 
 	input_MCP23017_3.loop(); 
 	input_MCP23017_4.loop();
+	//loop 74HC4051s for callback
 	input_4051_A0.loop();
 	input_4051_A1.loop();
 	input_4051_A2.loop();
 }
 
+
+//callback for analog, sends CC message with unique controller id
 void analogCallback(int id, int pin, int value) {
 	Midi.controlChange((id-A0) * 8 + pin,value);
 }
 
+//default callback for buttons, sends note-on/off message with unique note value
 void digitalCallback(int id, int pin, int value) {
 	if (value == HIGH)
 		Midi.noteOn(id * 16 + pin, MIDI_MAX_DATA);
 	else Midi.noteOff(id * 16 + pin);
 }
 
-
+//callback for input_MCP23017_1, checks for rotary_encoder_jogwheel_left, otherwise default callback
 void digitalCallback1(int id, int pin, int value) {
 	if (pin == 6)
 		rotary_encoder_jogwheel_left.setPinA(value);
 	if (pin == 7)
 		rotary_encoder_jogwheel_left.setPinB(value);
-    if (pin != 6 && pin !=7) {
-        if (value == HIGH)
-          Midi.noteOn(id * 16 + pin, MIDI_MAX_DATA);
-        else Midi.noteOff(id * 16 + pin);
-    }
+	if (pin != 6 && pin !=7)
+		digitalCallback(id,pin,value);
 }
 
+//callback for input_MCP23017_3, checks for rotary_encoder_jogwheel_right and rotary_encoder_browse, otherwise default callback
 void digitalCallback3(int id, int pin, int value) {
 	if (pin == 9)
 		rotary_encoder_jogwheel_right.setPinA(value);
@@ -75,37 +83,39 @@ void digitalCallback3(int id, int pin, int value) {
 		rotary_encoder_browse.setPinA(value);
 	if (pin == 5)
 		rotary_encoder_browse.setPinB(value);
-    if (pin!= 9 && pin != 10 && pin != 6 && pin != 5){
-        if (value == HIGH)
-          Midi.noteOn(id * 16 + pin, MIDI_MAX_DATA);
-        else Midi.noteOff(id * 16 + pin);
-    }
+	if (pin!= 9 && pin != 10 && pin != 6 && pin != 5)
+		digitalCallback(id,pin,value);
 }
 
-//left jogwheel
+//left jogwheel, sends CC message on controller id 0x7A with value 65 (increment)
 void rotary_encoder_jogwheel_left_inc() {
 	Midi.controlChange(MIDI_MAX_DATA-5,65);
 }
 
+//left jogwheel, sends CC message on controller id 0x7A with value 63 (decrement)
 void rotary_encoder_jogwheel_left_dec() {
 	Midi.controlChange(MIDI_MAX_DATA-5,63);
 }
 
-//right jogwheel
+
+//right jogwheel, sends CC message on controller id 0x79 with value 65 (increment)
 void rotary_encoder_jogwheel_right_inc() {
 	Midi.controlChange(MIDI_MAX_DATA-6,65);
 }
 
+//right jogwheel, sends CC message on controller id 0x79 with value 63 (decrement)
 void rotary_encoder_jogwheel_right_dec() {
 	Midi.controlChange(MIDI_MAX_DATA-6,63);
 }
 
-//Browse
+
+//browse, sends note-on/off signal with note 0x36 [equals to default digital callback note] (increment)
 void rotary_encoder_browse_inc() {
 	Midi.noteOn(3 * 16 + 6, MIDI_MAX_DATA);
 	Midi.noteOff(3 * 16 + 6);
 }
 
+//browse, sends note-on/off signal with note 0x35 [equals to default digital callback note] (decrement)
 void rotary_encoder_browse_dec() {
 	Midi.noteOn(3 * 16 + 5, MIDI_MAX_DATA);
 	Midi.noteOff(3 * 16 + 5);

source/libraries/bombatuino_INPUT_74HC4051/bombatuino_INPUT_74HC4051.cpp

@@ -47,10 +47,9 @@ void INPUT_74HC4051::loop() {
 		digitalWrite(_s0, r0);
 		digitalWrite(_s1, r1);
 		digitalWrite(_s2, r2);
-		//not sure if nessesary
-		//delayMicroseconds(10);
+		//divide by 8 to get value beetween 0-127 for MIDI
 		value = analogRead(_analog) / 8;
-		if (_value[pin] < value - INPUT_74HC4051_TOLERANCE || _value[pin] > value + INPUT_74HC4051_TOLERANCE) {
+		if (_value[pin] < value || _value[pin] > value) {
 			_value[pin] = value;
 			(*_callbackFunction)(_analog,pin,value);
 		}

source/libraries/bombatuino_INPUT_74HC4051/bombatuino_INPUT_74HC4051.h

@@ -13,8 +13,6 @@
 #ifndef bombatuino_INPUT_74HC4051_h
 #define bombatuino_INPUT_74HC4051_h
 
-#define INPUT_74HC4051_TOLERANCE 0 /**< I/O DIRECTION REGISTER PORT A - Controls the direction of the data I/O. */
-
 #if !defined(CallbackFunction)
 /**
  * callback function

source/libraries/bombatuino_MIDI/bombatuino_MIDI.cpp

@@ -2,7 +2,11 @@
 #include "bombatuino_MIDI.h"
 
 void MIDI::begin(int channel) {
+#ifdef DEBUG
+	Serial.begin(9600);
+#else
 	Serial.begin(31250);
+#endif
 	//if given channel is not valid, set default channel to 1
 	if (channel > MIDI_MAX_CHANNEL)
 		channel = MIDI_DEFAULT_CHANNEL;
@@ -21,39 +25,76 @@ bool MIDI::message(int status, int data, int data2, int channel) {
 	//check if channel is valid
 	if (channel > MIDI_MAX_CHANNEL) return false;
 	//write bytes to serial
+#ifdef DEBUG
+	Serial.print("status: ");
+	Serial.print(status+channel);
+	Serial.print(" data: ");
+	Serial.print(data);
+#else
 	Serial.write(status+channel);
 	Serial.write(data);
+#endif
 	//check if second data byte should be send
-	if (status != MIDI_PROGRAMM_CHANGE && status != MIDI_CHANNEL_PRESSURE)
+	if (status != MIDI_PROGRAMM_CHANGE && status != MIDI_CHANNEL_PRESSURE) {
+#ifdef DEBUG
+		Serial.print(" data2: ");
+		Serial.print(data2);
+#else
 		Serial.write(data2);
+#endif
+	}
+#ifdef DEBUG
+		Serial.println();
+#endif
 	return true;
 }
 
 bool MIDI::noteOff(int note, int velocity, int channel) {
+#ifdef DEBUG
+	Serial.print(" noteOff ");
+#endif
 	return message(MIDI_NOTE_OFF,note,velocity,channel);
 }
 
 bool MIDI::noteOn(int note, int velocity, int channel) {
+#ifdef DEBUG
+	Serial.print(" noteOn ");
+#endif
 	return message(MIDI_NOTE_ON,note,velocity,channel);
 }
 
 bool MIDI::polyphonicKeyPressure(int note, int velocity, int channel) {
+#ifdef DEBUG
+	Serial.print(" polyphonicKeyPressure ");
+#endif
 	return message(MIDI_POLYPHONIC_KEY_PRESSURE,note,velocity,channel);
 }
 
 bool MIDI::controlChange(int controller, int value, int channel) {
+#ifdef DEBUG
+	Serial.print(" controlChange ");
+#endif
 	return message(MIDI_CONTROL_CHANGE,controller,value,channel);
 }
 
 bool MIDI::programChange(int programm, int channel) {
+#ifdef DEBUG
+	Serial.print(" programChange ");
+#endif
 	return message(MIDI_PROGRAMM_CHANGE,programm,0,channel);
 }
 
 bool MIDI::channelPressure(int pressure, int channel) {
+#ifdef DEBUG
+	Serial.print(" channelPressure ");
+#endif
 	return message(MIDI_CHANNEL_PRESSURE,pressure,0,channel);
 }
 
 bool MIDI::pitchWheelChange(int last, int most, int channel) {
+#ifdef DEBUG
+	Serial.print(" pitchWheelChange ");
+#endif
 	return message(MIDI_PITCH_WHEEL_CHANGE,last,most,channel);
 }
 

source/libraries/bombatuino_MIDI/bombatuino_MIDI.h

@@ -11,6 +11,9 @@
  * 	
  * */
 
+//uncomment for debugging
+//#define DEBUG
+
 #ifndef bombatuino_MIDI_h
 #define bombatuino_MIDI_h
 

source/libraries/bombatuino_ROTARY_ENCODER/bombatuino_ROTARY_ENCODER.h

@@ -5,7 +5,7 @@
  * 
  * @date February, 2013
  * 
- * @brief arduino library for handling a rotary encoder
+ * @brief arduino library for handling a rotary encoder (simplified)
  * 
  * library is for specialiced use: increment- and decrement-functions are called on change of pin A. 
  *