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123 lines
3.1 KiB
123 lines
3.1 KiB
/**
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* @file bombatuino_MIDI.h
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*
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* @author Lukas Haubaum (lukas@haubaum.de)
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*
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* @date February, 2013
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*
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* @brief arduino library for sending MIDI messages over serial
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*
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* library is just for sending MIDI messages over normal Serial (TX), not for receiving.
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*
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* */
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#ifndef bombatuino_MIDI_h
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#define bombatuino_MIDI_h
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#define MIDI_NOTE_OFF 0x80
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#define MIDI_NOTE_ON 0x90
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#define MIDI_POLYPHONIC_KEY_PRESSURE 0xA0
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#define MIDI_CONTROL_CHANGE 0xB0
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#define MIDI_PROGRAMM_CHANGE 0xC0
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#define MIDI_CHANNEL_PRESSURE 0xD0
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#define MIDI_PITCH_WHEEL_CHANGE 0xE0
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#define MIDI_DEFAULT_CHANNEL 0x00
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#define MIDI_MAX_STATUS 0xE0
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#define MIDI_MAX_CHANNEL 0x0F
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#define MIDI_MAX_DATA 0x7F
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#define MIDI_NULL_CHANNEL -1
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class MIDI {
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public:
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/**
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* initalize the class, should be called in setup() function
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*
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* !IMPORTANT sets Serial baud rate to the default MIDI baud rate, so do not change baud rate manually
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*
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* @param optional: default MIDI channel
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*/
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void begin(int channel = MIDI_DEFAULT_CHANNEL);
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/**
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* send MIDI message over Serial
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*
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* @param status byte
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* @param first data byte
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* @param second data byte
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* @param optional: MIDI channel
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*
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* @return false, if an error occurs
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*/
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bool message(int status, int data, int data2, int channel = MIDI_NULL_CHANNEL);
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/**
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* send Note off MIDI message
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*
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* @param note number
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* @param optional: velocity
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* @param optional: MIDI channel
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*
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* @return false, if an error occurs
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*/
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bool noteOff(int note, int velocity = MIDI_MAX_DATA, int channel = MIDI_NULL_CHANNEL);
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/**
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* send Note on MIDI message
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*
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* @param note number
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* @param velocity
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* @param optional: MIDI channel
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*
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* @return false, if an error occurs
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*/
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bool noteOn(int note, int velocity, int channel = MIDI_NULL_CHANNEL);
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/**
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* send polyphinic key pressure MIDI message
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*
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* @param note number
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* @param velocity
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* @param optional: MIDI channel
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*
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* @return false, if an error occurs
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*/
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bool polyphonicKeyPressure(int note, int velocity, int channel = MIDI_NULL_CHANNEL);
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/**
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* send control change MIDI message
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*
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* @param controller number
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* @param value
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* @param optional: MIDI channel
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*/
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bool controlChange(int controller, int value, int channel = MIDI_NULL_CHANNEL);
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/**
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* send program change MIDI message
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*
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* @param programm number
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* @param optional: MIDI channel
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*
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* @return false, if an error occurs
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*/
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bool programChange(int programm, int channel = MIDI_NULL_CHANNEL);
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/**
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* send channel pressure MIDI message
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*
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* @param pressure value
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* @param optional: MIDI channel
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*
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* @return false, if an error occurs
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*/
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bool channelPressure(int pressure, int channel = MIDI_NULL_CHANNEL);
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/**
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* send pitch wheel change MIDI message
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*
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* @param last significant bits
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* @param most significant bits
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* @param optional: MIDI channel
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*
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* @return false, if an error occurs
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*/
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bool pitchWheelChange(int last, int most, int channel = MIDI_NULL_CHANNEL);
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private:
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int _channel; /**> the default MIDI channel */
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};
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#endif
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