Implement midi commands for MIDIUSB on arduino

1 files changed, 19 insertions, 0 deletions

diff --git a/arduino/Laserharfe/Laserharfe.ino b/arduino/Laserharfe/Laserharfe.ino
index 8ad5f56..9f0d025 100644
--- a/arduino/Laserharfe/Laserharfe.ino
+++ b/arduino/Laserharfe/Laserharfe.ino
@@ -200,6 +200,25 @@ void handle_midi(char *command) {
   // MidiUSB.flush();
 }
 
+void midi_playnote(int channel, int note, int octave_offset ) {
+  midi_pitchbend(channel, 0);
+  midiEventPacket_t p = { 0x9, 0x90 | channel, note + 12 * octave_offset, 0x7f };
+  MidiUSB.sendMIDI(p);
+}
+
+void midi_silencenote( int channel, int note, int octave_offset ) {
+  midiEventPacket_t p = { 0x8, 0x80 | channel, note + 12 * octave_offset, 0x7f };
+  MidiUSB.sendMIDI(p);
+}
+
+void midi_pitchbend( int channel, int pitch ) {
+  pitch += 8192;
+  if (pitch < 0) pitch = 0;
+  if (pitch > 16383) pitch = 16383,
+  midiEventPacket_t p = { 0xe, 0xe0 | channel, 0x7f & pitch, 0x7f & (pitch>>7) };
+  MidiUSB.sendMIDI(p);
+}
+
 void handle_configure(char *command) {
 
 }