81 lines
1.9 KiB
Plaintext
81 lines
1.9 KiB
Plaintext
/*
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This file is public domain. Use it as you like.
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*/
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#include <ardumidi.h>
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int ledPin = 13;
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int note_on = 0;
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void setup()
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{
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Serial.begin(115200);
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pinMode(ledPin, OUTPUT);
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}
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void loop()
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{
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if (!note_on)
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{
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// play a Cminor chord on channel 0, at maximum volume (127)
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midi_note_on(0, MIDI_C, 127);
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midi_note_on(0, MIDI_E + MIDI_FLAT + MIDI_OCTAVE, 127);
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midi_note_on(0, MIDI_G + MIDI_OCTAVE, 127);
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// The MIDI_* macros were created to make your life easier, but you
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// don't have to use them. You may enter numbers instead if you know
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// what you're doing.
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note_on = 1;
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digitalWrite(ledPin, HIGH);
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}
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else
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{
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// stop the Cminor chord
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midi_note_off(0, MIDI_C, 127);
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midi_note_off(0, MIDI_E + MIDI_FLAT + MIDI_OCTAVE, 127);
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midi_note_off(0, MIDI_G + MIDI_OCTAVE, 127);
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note_on = 0;
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digitalWrite(ledPin, LOW);
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}
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delay(500);
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}
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// Available commands:
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//
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// Start/stop playing a certain note:
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// midi_note_on(byte channel, byte key, byte velocity);
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// midi_note_off(byte channel, byte key, byte velocity);
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//
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// Change pressure of specific keys:
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// midi_key_pressure(byte channel, byte key, byte value);
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//
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// Change controller value (used for knobs, etc):
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// midi_controller_change(byte channel, byte controller, byte value);
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//
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// Change "program" (change the instrument):
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// midi_program_change(byte channel, byte program);
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//
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// Change key pressure of entire channels:
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// midi_channel_pressure(byte channel, byte value);
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//
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// Change pitch-bend wheel:
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// midi_pitch_bend(byte channel, int value);
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//
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// Send a comment:
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// midi_comment(char* str);
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//
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// Send a series of bytes (to be interpreted by another program):
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// midi_printbytes(char* bytes, int len);
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//
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// Parameters:
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// channel an integer from 0 to 15
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// pitch-bend value an integer from 0 to 16383
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// all other values an integer from 0 to 127
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//
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