28 lines
797 B
C++
28 lines
797 B
C++
#include <MIDI.h>
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// Simple tutorial on how to receive and send MIDI messages.
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// Here, when receiving any message on channel 4, the Arduino
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// will blink a led and play back a note for 1 second.
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MIDI_CREATE_DEFAULT_INSTANCE();
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static const unsigned ledPin = 13; // LED pin on Arduino Uno
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void setup()
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{
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pinMode(ledPin, OUTPUT);
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MIDI.begin(4); // Launch MIDI and listen to channel 4
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}
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void loop()
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{
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if (MIDI.read()) // If we have received a message
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{
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digitalWrite(ledPin, HIGH);
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MIDI.sendNoteOn(42, 127, 1); // Send a Note (pitch 42, velo 127 on channel 1)
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delay(1000); // Wait for a second
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MIDI.sendNoteOff(42, 0, 1); // Stop the note
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digitalWrite(ledPin, LOW);
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}
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}
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