summaryrefslogtreecommitdiff
path: root/quantum/process_keycode/process_midi.c
diff options
context:
space:
mode:
Diffstat (limited to 'quantum/process_keycode/process_midi.c')
-rw-r--r--quantum/process_keycode/process_midi.c109
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;
}