142 lines
3.5 KiB
C++
142 lines
3.5 KiB
C++
#include <Arduino.h>
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#include "midi.h"
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#include "hardware.h"
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int midiChannel;
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void midiSetChannel(uint8_t channel) {
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midiChannel = constrain(channel, 1, 16);
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}
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byte midiGetChannel() {
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return midiChannel;
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}
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void midiSendProgramChange(uint8_t patch) {
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usbMIDI.sendProgramChange(patch-1, midiChannel);
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dinMIDIsendProgramChange(patch-1, midiChannel-1);
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}
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void midiSendControlChange(uint8_t ccParam, uint8_t ccValue) {
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usbMIDI.sendControlChange(ccParam, ccValue, midiChannel);
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dinMIDIsendControlChange(ccParam, ccValue, midiChannel - 1);
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}
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void midiSendNoteOn(uint8_t note, uint8_t velocity) {
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usbMIDI.sendNoteOn(note, velocity, midiChannel);
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dinMIDIsendNoteOn(note, velocity, midiChannel - 1);
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}
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void midiSendNoteOff(uint8_t note) {
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//Always send velocity 0 on note off to avoid confusing some synthesizers
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usbMIDI.sendNoteOn(note, 0, midiChannel);
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dinMIDIsendNoteOn(note, 0, midiChannel - 1);
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}
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void midiSendAfterTouch(uint8_t value) {
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usbMIDI.sendAfterTouch(value, midiChannel);
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dinMIDIsendAfterTouch(value, midiChannel - 1);
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}
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void midiSendPitchBend(uint16_t value) {
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#if defined(NEWTEENSYDUINO)
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usbMIDI.sendPitchBend(value-8192, midiChannel); // newer teensyduino "pitchBend-8192" older just "pitchBend"... strange thing to change
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#else
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usbMIDI.sendPitchBend(value, midiChannel);
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#endif
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dinMIDIsendPitchBend(value, midiChannel - 1);
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}
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void midiDiscardInput()
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{
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while (usbMIDI.read()) {
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// read & ignore incoming messages
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}
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}
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void midiReset() { // reset controllers
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midiSendControlChange(7, 100);
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midiSendControlChange(11, 127);
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}
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void midiPanic() { // all notes off
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midiSendControlChange(123, 0);
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for (int i = 0; i < 128; i++){
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midiSendNoteOff(i);
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delay(2);
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}
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}
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void midiInitialize(uint8_t channel) {
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MIDI_SERIAL.begin(31250); // start serial with midi baudrate 31250
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MIDI_SERIAL.flush();
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midiSetChannel(channel);
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}
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//Serial midi functions
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// Send a three byte din midi message
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void midiSend3B(uint8_t midistatus, uint8_t data1, uint8_t data2) {
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MIDI_SERIAL.write(midistatus);
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MIDI_SERIAL.write(data1);
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MIDI_SERIAL.write(data2);
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}
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//**************************************************************
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// Send a two byte din midi message
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void midiSend2B(uint8_t midistatus, uint8_t data) {
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MIDI_SERIAL.write(midistatus);
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MIDI_SERIAL.write(data);
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}
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//**************************************************************
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// Send din pitchbend
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void dinMIDIsendPitchBend(uint16_t pb, uint8_t ch) {
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int pitchLSB = pb & 0x007F;
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int pitchMSB = (pb >>7) & 0x007F;
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midiSend3B((0xE0 | ch), pitchLSB, pitchMSB);
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}
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//**************************************************************
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// Send din control change
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void dinMIDIsendControlChange(uint8_t ccNumber, uint8_t cc, uint8_t ch) {
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midiSend3B((0xB0 | ch), ccNumber, cc);
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}
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//**************************************************************
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// Send din note on
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void dinMIDIsendNoteOn(uint8_t note, uint8_t vel, uint8_t ch) {
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midiSend3B((0x90 | ch), note, vel);
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}
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//**************************************************************
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// Send din note off
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void dinMIDIsendNoteOff(uint8_t note, uint8_t vel, uint8_t ch) {
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midiSend3B((0x80 | ch), note, vel);
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}
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//**************************************************************
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// Send din aftertouch
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void dinMIDIsendAfterTouch(uint8_t value, uint8_t ch) {
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midiSend2B((0xD0 | ch), value);
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}
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//**************************************************************
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// Send din program change
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void dinMIDIsendProgramChange(uint8_t value, uint8_t ch) {
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midiSend2B((0xC0 | ch), value);
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}
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