57 lines
1.2 KiB
C++
57 lines
1.2 KiB
C++
#ifndef MIDIUSB_h
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#define MIDIUSB_h
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// For compatibility with Arduino's MIDIUSB library
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#include "usb_midi.h"
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#ifdef __cplusplus
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#if !defined(USB_MIDI) && !defined(USB_MIDI4) && !defined(USB_MIDI16) && !defined(USB_MIDI_SERIAL) && !defined(USB_MIDI4_SERIAL) && !defined(USB_MIDI16_SERIAL) && !defined(USB_MIDI_AUDIO_SERIAL) && !defined(USB_MIDI16_AUDIO_SERIAL) && !defined(USB_EVERYTHING)
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#error "Please select MIDI in Tools > USB Type to use MIDIUSB.h"
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#endif
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typedef struct {
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union {
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struct {
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uint8_t header;
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uint8_t byte1;
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uint8_t byte2;
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uint8_t byte3;
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};
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uint32_t word;
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};
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} midiEventPacket_t;
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class MIDI_
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{
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public:
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constexpr MIDI_(void) { }
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uint32_t available(void) {
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return usb_midi_available();
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}
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midiEventPacket_t read(void) {
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midiEventPacket_t event;
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event.word = usb_midi_read_message();
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return event;
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}
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void flush(void) {
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usb_midi_flush_output();
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}
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void sendMIDI(midiEventPacket_t event) {
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usb_midi_write_packed(event.word);
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}
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size_t write(const uint8_t *buffer, size_t size) {
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// TODO - is this really needed?
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return 0;
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}
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operator bool() {
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// TODO - is this really needed?
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return true;
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}
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};
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extern MIDI_ MidiUSB;
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#endif // __cplusplus
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#endif // MIDIUSB_h
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