diff options
| -rw-r--r-- | quantum/process_keycode/process_midi.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/quantum/process_keycode/process_midi.c b/quantum/process_keycode/process_midi.c index acaae7c30a..4fbb288162 100644 --- a/quantum/process_keycode/process_midi.c +++ b/quantum/process_keycode/process_midi.c @@ -19,6 +19,10 @@ midi_config_t midi_config; #define MIDI_INVALID_NOTE 0xFF +#define MIDI_USE_NOTE_ON_ARRAY + +#ifdef MIDI_USE_NOTE_ON_ARRAY + #define MIDI_MAX_NOTES_ON 10 typedef struct { @@ -33,6 +37,15 @@ typedef struct { static midi_notes_on_array_t notes_on; +#else + +#define MIDI_TONE_COUNT (MIDI_TONE_MAX - MIDI_TONE_MIN + 1) +static uint8_t tone_status[MIDI_TONE_COUNT]; + +#endif + + + inline uint8_t compute_velocity(uint8_t setting) { return (setting + 1) * (128 / (MIDI_VELOCITY_MAX - MIDI_VELOCITY_MIN + 1)); @@ -43,7 +56,14 @@ void midi_init(void) midi_config.octave = MI_OCT_0 - MIDI_OCTAVE_MIN; midi_config.velocity = (MIDI_VELOCITY_MAX - MIDI_VELOCITY_MIN); midi_config.channel = 0; + #ifdef MIDI_USE_NOTE_ON_ARRAY notes_on.length = 0; + #else + for (uint8_t i = 0; i < MIDI_TONE_COUNT; i++) + { + tone_status[i] = MIDI_INVALID_NOTE; + } + #endif } bool process_midi(uint16_t keycode, keyrecord_t *record) @@ -54,15 +74,31 @@ bool process_midi(uint16_t keycode, keyrecord_t *record) uint8_t channel = midi_config.channel; uint8_t tone = keycode - MIDI_TONE_MIN; uint8_t velocity = compute_velocity(midi_config.velocity); + #ifdef MIDI_USE_NOTE_ON_ARRAY if (record->event.pressed && notes_on.length < MIDI_MAX_NOTES_ON) { + #else + if (record->event.pressed) { + #endif uint8_t note = 12 * midi_config.octave + tone; midi_send_noteon(&midi_device, channel, note, velocity); dprintf("midi noteon channel:%d note:%d velocity:%d\n", channel, note, velocity); + + #ifdef MIDI_USE_NOTE_ON_ARRAY + notes_on.values[notes_on.length].note = note; notes_on.values[notes_on.length].tone = tone; notes_on.length++; + + #else + + tone_status[tone] = note; + + #endif } else { + + #ifdef MIDI_USE_NOTE_ON_ARRAY + for (uint8_t i = 0; i < notes_on.length; i++) { uint8_t note = notes_on.values[i].note; if (tone == notes_on.values[i].tone) { @@ -78,6 +114,18 @@ bool process_midi(uint16_t keycode, keyrecord_t *record) break; } } + + #else + + uint8_t note = tone_status[tone]; + if (note != MIDI_INVALID_NOTE) + { + midi_send_noteoff(&midi_device, channel, note, velocity); + dprintf("midi noteoff channel:%d note:%d velocity:%d\n", channel, note, velocity); + } + tone_status[tone] = MIDI_INVALID_NOTE; + + #endif } return false; } @@ -122,5 +170,66 @@ bool process_midi(uint16_t keycode, keyrecord_t *record) return false; }; +#if 0 + if (keycode == MI_ON && record->event.pressed) { + midi_activated = true; +#ifdef AUDIO_ENABLE + music_scale_user(); +#endif + return false; + } + + if (keycode == MI_OFF && record->event.pressed) { + midi_activated = false; + midi_send_cc(&midi_device, 0, 0x7B, 0); + return false; + } + + if (midi_activated) { + if (record->event.key.col == (MATRIX_COLS - 1) && record->event.key.row == (MATRIX_ROWS - 1)) { + if (record->event.pressed) { + midi_starting_note++; // Change key + midi_send_cc(&midi_device, 0, 0x7B, 0); + } + return false; + } + if (record->event.key.col == (MATRIX_COLS - 2) && record->event.key.row == (MATRIX_ROWS - 1)) { + if (record->event.pressed) { + midi_starting_note--; // Change key + midi_send_cc(&midi_device, 0, 0x7B, 0); + } + return false; + } + if (record->event.key.col == (MATRIX_COLS - 3) && record->event.key.row == (MATRIX_ROWS - 1) && record->event.pressed) { + midi_offset++; // Change scale + midi_send_cc(&midi_device, 0, 0x7B, 0); + return false; + } + if (record->event.key.col == (MATRIX_COLS - 4) && record->event.key.row == (MATRIX_ROWS - 1) && record->event.pressed) { + midi_offset--; // Change scale + midi_send_cc(&midi_device, 0, 0x7B, 0); + return false; + } + // basic + // uint8_t note = (midi_starting_note + SCALE[record->event.key.col + midi_offset])+12*(MATRIX_ROWS - record->event.key.row); + // advanced + // uint8_t note = (midi_starting_note + record->event.key.col + midi_offset)+12*(MATRIX_ROWS - record->event.key.row); + // guitar + uint8_t note = (midi_starting_note + record->event.key.col + midi_offset)+5*(MATRIX_ROWS - record->event.key.row); + // violin + // uint8_t note = (midi_starting_note + record->event.key.col + midi_offset)+7*(MATRIX_ROWS - record->event.key.row); + + if (record->event.pressed) { + // midi_send_noteon(&midi_device, record->event.key.row, midi_starting_note + SCALE[record->event.key.col], 127); + midi_send_noteon(&midi_device, 0, note, 127); + } else { + // midi_send_noteoff(&midi_device, record->event.key.row, midi_starting_note + SCALE[record->event.key.col], 127); + midi_send_noteoff(&midi_device, 0, note, 127); + } + + if (keycode < 0xFF) // ignores all normal keycodes, but lets RAISE, LOWER, etc through + return false; + } +#endif return true; } |