added fritzing files

2013-03-12 14:53:27 +01:00
parent daf4b725fe
commit 0eec581c8a
16 changed files with 345 additions and 35 deletions
@@ -0,0 +1,59 @@
+#include "Arduino.h"
+#include "bombatuino_MIDI.h"
+
+void MIDI::begin(int channel) {
+	Serial.begin(31250);
+	//if given channel is not valid, set default channel to 1
+	if (channel > MIDI_MAX_CHANNEL)
+		channel = MIDI_DEFAULT_CHANNEL;
+	_channel = channel;
+}
+
+bool MIDI::message(int status, int data, int data2, int channel) {
+	//check if status byte is valid
+	if (status > MIDI_MAX_STATUS) return false;
+	//check if first data byte is valid
+	if (data > MIDI_MAX_DATA) return false;
+	//check if second data byte is valid
+	if (data2 > MIDI_MAX_DATA) return false;	
+	//if no specific channel given, use default channel
+	if (channel == MIDI_NULL_CHANNEL) channel = _channel;
+	//check if channel is valid
+	if (channel > MIDI_MAX_CHANNEL) return false;
+	//write bytes to serial
+	Serial.write(status+channel);
+	Serial.write(data);
+	//check if second data byte should be send
+	if (status != MIDI_PROGRAMM_CHANGE && status != MIDI_CHANNEL_PRESSURE)
+		Serial.write(data2);
+	return true;
+}
+
+bool MIDI::noteOff(int note, int velocity, int channel) {
+	return message(MIDI_NOTE_OFF,note,velocity,channel);
+}
+
+bool MIDI::noteOn(int note, int velocity, int channel) {
+	return message(MIDI_NOTE_ON,note,velocity,channel);
+}
+
+bool MIDI::polyphonicKeyPressure(int note, int velocity, int channel) {
+	return message(MIDI_POLYPHONIC_KEY_PRESSURE,note,velocity,channel);
+}
+
+bool MIDI::controlChange(int controller, int value, int channel) {
+	return message(MIDI_CONTROL_CHANGE,controller,value,channel);
+}
+
+bool MIDI::programChange(int programm, int channel) {
+	return message(MIDI_PROGRAMM_CHANGE,programm,0,channel);
+}
+
+bool MIDI::channelPressure(int pressure, int channel) {
+	return message(MIDI_CHANNEL_PRESSURE,pressure,0,channel);
+}
+
+bool MIDI::pitchWheelChange(int last, int most, int channel) {
+	return message(MIDI_PITCH_WHEEL_CHANGE,last,most,channel);
+}
+
@@ -0,0 +1,123 @@
+/**
+ * @file bombatuino_MIDI.h
+ * 
+ * @author Lukas Haubaum (lukas@haubaum.de)
+ * 
+ * @date February, 2013
+ * 
+ * @brief arduino library for sending MIDI messages over serial
+ * 
+ * library is just for sending MIDI messages over normal Serial (TX), not for receiving.
+ * 	
+ * */
+
+#ifndef bombatuino_MIDI_h
+#define bombatuino_MIDI_h
+
+#define MIDI_NOTE_OFF 0x80
+#define MIDI_NOTE_ON 0x90
+#define MIDI_POLYPHONIC_KEY_PRESSURE 0xA0
+#define MIDI_CONTROL_CHANGE 0xB0
+#define MIDI_PROGRAMM_CHANGE 0xC0
+#define MIDI_CHANNEL_PRESSURE 0xD0
+#define MIDI_PITCH_WHEEL_CHANGE 0xE0
+
+#define MIDI_DEFAULT_CHANNEL 0x00
+#define MIDI_MAX_STATUS 0xE0
+#define MIDI_MAX_CHANNEL 0x0F
+#define MIDI_MAX_DATA 0x7F
+#define MIDI_NULL_CHANNEL -1
+
+class MIDI {
+	public:		
+		/**
+		 * initalize the class, should be called in setup() function
+		 * 
+		 * !IMPORTANT sets Serial baud rate to the default MIDI baud rate, so do not change baud rate manually
+		 * 
+		 * @param optional: default MIDI channel
+		 */
+		void begin(int channel = MIDI_DEFAULT_CHANNEL);	
+		/**
+		 * send MIDI message over Serial
+		 * 
+		 * @param status byte
+		 * @param first data byte
+		 * @param second data byte
+		 * @param optional: MIDI channel
+		 * 
+		 * @return false, if an error occurs
+		 */	
+		bool message(int status, int data, int data2, int channel = MIDI_NULL_CHANNEL);		
+		/**
+		 * send Note off MIDI message
+		 * 
+		 * @param note number
+		 * @param optional: velocity
+		 * @param optional: MIDI channel
+		 * 
+		 * @return false, if an error occurs
+		 */	
+		bool noteOff(int note, int velocity = MIDI_MAX_DATA, int channel = MIDI_NULL_CHANNEL);
+		/**
+		 * send Note on MIDI message
+		 * 
+		 * @param note number
+		 * @param velocity
+		 * @param optional: MIDI channel
+		 * 
+		 * @return false, if an error occurs
+		 */	
+		bool noteOn(int note, int velocity, int channel = MIDI_NULL_CHANNEL);	
+		/**
+		 * send polyphinic key pressure MIDI message
+		 * 
+		 * @param note number
+		 * @param velocity
+		 * @param optional: MIDI channel
+		 * 
+		 * @return false, if an error occurs
+		 */	
+		bool polyphonicKeyPressure(int note, int velocity, int channel = MIDI_NULL_CHANNEL);
+		/**
+		 * send control change MIDI message
+		 * 
+		 * @param controller number
+		 * @param value
+		 * @param optional: MIDI channel
+		 */	
+		bool controlChange(int controller, int value, int channel = MIDI_NULL_CHANNEL);
+		/**
+		 * send program change MIDI message
+		 * 
+		 * @param programm number
+		 * @param optional: MIDI channel
+		 * 
+		 * @return false, if an error occurs
+		 */	
+		bool programChange(int programm, int channel = MIDI_NULL_CHANNEL);
+		/**
+		 * send channel pressure MIDI message
+		 * 
+		 * @param pressure value
+		 * @param optional: MIDI channel
+		 * 
+		 * @return false, if an error occurs
+		 */	
+		bool channelPressure(int pressure, int channel = MIDI_NULL_CHANNEL);
+		/**
+		 * send pitch wheel change MIDI message
+		 * 
+		 * @param last significant bits
+		 * @param most significant bits
+		 * @param optional: MIDI channel
+		 * 
+		 * @return false, if an error occurs
+		 */	
+		bool pitchWheelChange(int last, int most, int channel = MIDI_NULL_CHANNEL);
+	private:
+		int _channel; /**> the default MIDI channel */
+};
+
+
+#endif