60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
#include "Arduino.h"
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#include "bombatuino_MIDI.h"
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void MIDI::begin(int channel) {
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Serial.begin(31250);
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//if given channel is not valid, set default channel to 1
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if (channel > MIDI_MAX_CHANNEL)
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channel = MIDI_DEFAULT_CHANNEL;
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_channel = channel;
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}
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bool MIDI::message(int status, int data, int data2, int channel) {
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//check if status byte is valid
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if (status > MIDI_MAX_STATUS) return false;
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//check if first data byte is valid
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if (data > MIDI_MAX_DATA) return false;
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//check if second data byte is valid
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if (data2 > MIDI_MAX_DATA) return false;
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//if no specific channel given, use default channel
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if (channel == MIDI_NULL_CHANNEL) channel = _channel;
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//check if channel is valid
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if (channel > MIDI_MAX_CHANNEL) return false;
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//write bytes to serial
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Serial.write(status+channel);
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Serial.write(data);
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//check if second data byte should be send
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if (status != MIDI_PROGRAMM_CHANGE && status != MIDI_CHANNEL_PRESSURE)
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Serial.write(data2);
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return true;
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}
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bool MIDI::noteOff(int note, int velocity, int channel) {
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return message(MIDI_NOTE_OFF,note,velocity,channel);
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}
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bool MIDI::noteOn(int note, int velocity, int channel) {
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return message(MIDI_NOTE_ON,note,velocity,channel);
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}
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bool MIDI::polyphonicKeyPressure(int note, int velocity, int channel) {
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return message(MIDI_POLYPHONIC_KEY_PRESSURE,note,velocity,channel);
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}
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bool MIDI::controlChange(int controller, int value, int channel) {
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return message(MIDI_CONTROL_CHANGE,controller,value,channel);
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}
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bool MIDI::programChange(int programm, int channel) {
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return message(MIDI_PROGRAMM_CHANGE,programm,0,channel);
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}
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bool MIDI::channelPressure(int pressure, int channel) {
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return message(MIDI_CHANNEL_PRESSURE,pressure,0,channel);
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}
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bool MIDI::pitchWheelChange(int last, int most, int channel) {
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return message(MIDI_PITCH_WHEEL_CHANGE,last,most,channel);
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}
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