37 lines
1.1 KiB
C++
37 lines
1.1 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.sourceforge.net/class_m_i_d_i___class.html
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void HandleNoteOn(byte channel, byte pitch, byte velocity) {
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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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// This acts like a NoteOff.
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}
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// Try to keep your callbacks short (no delays ect) as the contrary would slow down the loop()
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// and have a bad impact on real-time performance.
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}
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void setup() {
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// Initiate MIDI communications, listen to all channels
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MIDI.begin(MIDI_CHANNEL_OMNI);
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// Connect the HandleNoteOn function to the library, 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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}
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void loop() {
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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 if they are bound to a Callback function.
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}
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