38 lines
1.2 KiB
C++
38 lines
1.2 KiB
C++
#include <MIDI.h>
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// Simple tutorial on how to receive and send MIDI messages
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// on a different serial port, using SoftwareSerial.
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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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#if defined(ARDUINO_SAM_DUE) || defined(SAMD_SERIES) || defined(_VARIANT_ARDUINO_ZERO_)
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/* example not relevant for this hardware (SoftwareSerial not supported) */
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MIDI_CREATE_DEFAULT_INSTANCE();
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#else
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#include <SoftwareSerial.h>
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using Transport = MIDI_NAMESPACE::SerialMIDI<SoftwareSerial>;
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int rxPin = 18;
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int txPin = 19;
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SoftwareSerial mySerial = SoftwareSerial(rxPin, txPin);
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Transport serialMIDI(mySerial);
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MIDI_NAMESPACE::MidiInterface<Transport> MIDI((Transport&)serialMIDI);
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#endif
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void setup()
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{
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pinMode(LED_BUILTIN, 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(LED_BUILTIN, 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(LED_BUILTIN, LOW);
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}
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}
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