49 lines
1.1 KiB
C++
49 lines
1.1 KiB
C++
#include "MidiDriver.h"
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// MIDI UART Pins (GP0/GP1)
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#define PIN_MIDI_TX 0
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MidiDriver midi;
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MidiDriver::MidiDriver() {
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}
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void MidiDriver::begin() {
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mutex_init(&_mutex);
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Serial1.setTX(PIN_MIDI_TX);
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Serial1.begin(31250);
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Serial.println(F("MIDI Serial initialized on GP0/GP1"));
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}
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void MidiDriver::lock() {
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mutex_enter_blocking(&_mutex);
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}
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void MidiDriver::unlock() {
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mutex_exit(&_mutex);
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}
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void MidiDriver::sendNoteOn(uint8_t note, uint8_t velocity, uint8_t channel) {
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uint8_t status = 0x90 | (channel - 1);
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Serial1.write(status);
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Serial1.write(note);
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Serial1.write(velocity);
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}
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void MidiDriver::sendNoteOff(uint8_t note, uint8_t channel) {
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uint8_t status = 0x80 | (channel - 1);
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Serial1.write(status);
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Serial1.write(note);
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Serial1.write((uint8_t)0);
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}
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void MidiDriver::sendRealtime(uint8_t status) {
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Serial1.write(status);
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}
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void MidiDriver::panic(uint8_t channel) {
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uint8_t status = 0xB0 | (channel - 1);
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Serial1.write(status);
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Serial1.write((uint8_t)123); // All Notes Off
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Serial1.write((uint8_t)0);
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} |