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qmk_firmware/quantum/process_keycode/process_midi.h

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#ifndef PROCESS_MIDI_H
#define PROCESS_MIDI_H
#include "quantum.h"
#ifdef MIDI_ENABLE
#ifdef MIDI_BASIC
void process_midi_basic_noteon(uint8_t note);
void process_midi_basic_noteoff(uint8_t note);
void process_midi_all_notes_off(void);
#endif
#ifdef MIDI_ADVANCED
typedef union {
uint32_t raw;
struct {
uint8_t octave :4;
int8_t transpose :4;
uint8_t velocity :4;
uint8_t channel :4;
uint8_t modulation_interval :4;
};
} midi_config_t;
midi_config_t midi_config;
void midi_init(void);
void midi_task(void);
bool process_midi(uint16_t keycode, keyrecord_t *record);
#define MIDI_INVALID_NOTE 0xFF
#define MIDI_TONE_COUNT (MIDI_TONE_MAX - MIDI_TONE_MIN + 1)
uint8_t midi_compute_note(uint16_t keycode);
#endif // MIDI_ADVANCED
#endif // MIDI_ENABLE
#endif