46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
#include <MIDI.h>
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// This function will be automatically called when a NoteOn is received.
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// It must be a void-returning function with the correct parameters,
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// see documentation here:
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// http://arduinomidilib.fortyseveneffects.com/a00022.html
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void HandleNoteOn(byte channel, byte pitch, byte velocity)
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{
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// Do whatever you want when you receive a Note On.
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if (velocity == 0)
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{
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// This acts like a NoteOff. You can ask the library to call the NoteOff
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// callback when receiving null-velocity NoteOn messages.
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// See MIDI_HANDLE_NULL_VELOCITY_NOTE_ON_AS_NOTE_OFF in midi_Settings.h
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}
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// Try to keep your callbacks short (no delays ect)
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// otherwise it would slow down the loop() and have a bad impact
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// on real-time performance.
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}
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// -----------------------------------------------------------------------------
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void setup()
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{
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// Connect the HandleNoteOn function to the library,
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// so it is called upon reception of a NoteOn.
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MIDI.setHandleNoteOn(HandleNoteOn); // Put only the name of the function
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// Initiate MIDI communications, listen to all channels
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MIDI.begin(MIDI_CHANNEL_OMNI);
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}
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void loop()
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{
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// Call MIDI.read the fastest you can for real-time performance.
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MIDI.read();
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// There is no need to check if there are messages incoming
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// if they are bound to a Callback function.
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// The attached method will be called automatically
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// when the corresponding message has been received.
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}
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