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-rw-r--r--quantum/process_keycode/process_midi.c37
-rw-r--r--quantum/quantum_keycodes.h18
2 files changed, 48 insertions, 7 deletions
diff --git a/quantum/process_keycode/process_midi.c b/quantum/process_keycode/process_midi.c
index d09aa0b382..4d60aefb1c 100644
--- a/quantum/process_keycode/process_midi.c
+++ b/quantum/process_keycode/process_midi.c
@@ -2,12 +2,13 @@
#include "timer.h"
typedef union {
- uint16_t raw;
+ uint32_t raw;
struct {
- uint8_t octave :4;
- uint8_t velocity :4;
- uint8_t channel :4;
- uint8_t modulation_interval :4;
+ uint8_t octave :4;
+ int8_t transpose :4;
+ uint8_t velocity :4;
+ uint8_t channel :4;
+ uint8_t modulation_interval :4;
};
} midi_config_t;
@@ -29,7 +30,8 @@ inline uint8_t compute_velocity(uint8_t setting)
void midi_init(void)
{
- midi_config.octave = MI_OCT_0 - MIDI_OCTAVE_MIN;
+ midi_config.octave = MI_OCT_2 - MIDI_OCTAVE_MIN;
+ midi_config.transpose = 0;
midi_config.velocity = (MIDI_VELOCITY_MAX - MIDI_VELOCITY_MIN);
midi_config.channel = 0;
midi_config.modulation_interval = 8;
@@ -77,7 +79,7 @@ bool process_midi(uint16_t keycode, keyrecord_t *record)
uint8_t tone = keycode - MIDI_TONE_MIN;
uint8_t velocity = compute_velocity(midi_config.velocity);
if (record->event.pressed) {
- uint8_t note = 12 * midi_config.octave + tone;
+ uint8_t note = 12 * midi_config.octave + tone + midi_config.transpose;
midi_send_noteon(&midi_device, channel, note, velocity);
dprintf("midi noteon channel:%d note:%d velocity:%d\n", channel, note, velocity);
tone_status[tone] = note;
@@ -111,6 +113,27 @@ bool process_midi(uint16_t keycode, keyrecord_t *record)
dprintf("midi octave %d\n", midi_config.octave);
}
return false;
+ case MIDI_TRANSPOSE_MIN ... MIDI_TRANSPOSE_MAX:
+ if (record->event.pressed) {
+ midi_config.transpose = keycode - MI_TRNS_0;
+ dprintf("midi transpose %d\n", midi_config.transpose);
+ }
+ return false;
+ case MI_TRNSD:
+ if (record->event.pressed && midi_config.transpose > (MIDI_TRANSPOSE_MIN - MI_TRNS_0)) {
+ midi_config.transpose--;
+ dprintf("midi transpose %d\n", midi_config.transpose);
+ }
+ return false;
+ case MI_TRNSU:
+ if (record->event.pressed && midi_config.transpose < (MIDI_TRANSPOSE_MAX - MI_TRNS_0)) {
+ const bool positive = midi_config.transpose > 0;
+ midi_config.transpose++;
+ if (positive && midi_config.transpose < 0)
+ midi_config.transpose--;
+ dprintf("midi transpose %d\n", midi_config.transpose);
+ }
+ return false;
case MIDI_VELOCITY_MIN ... MIDI_VELOCITY_MAX:
if (record->event.pressed) {
midi_config.velocity = keycode - MIDI_VELOCITY_MIN;
diff --git a/quantum/quantum_keycodes.h b/quantum/quantum_keycodes.h
index 4423d25eff..30cc9abdb4 100644
--- a/quantum/quantum_keycodes.h
+++ b/quantum/quantum_keycodes.h
@@ -183,6 +183,24 @@ enum quantum_keycodes {
MI_OCTD, // octave down
MI_OCTU, // octave up
+ MIDI_TRANSPOSE_MIN,
+ MI_TRNS_N6 = MIDI_TRANSPOSE_MIN,
+ MI_TRNS_N5,
+ MI_TRNS_N4,
+ MI_TRNS_N3,
+ MI_TRNS_N2,
+ MI_TRNS_N1,
+ MI_TRNS_0,
+ MI_TRNS_1,
+ MI_TRNS_2,
+ MI_TRNS_3,
+ MI_TRNS_4,
+ MI_TRNS_5,
+ MI_TRNS_6,
+ MIDI_TRANSPOSE_MAX = MI_TRNS_6,
+ MI_TRNSD, // transpose down
+ MI_TRNSU, // transpose up
+
MIDI_VELOCITY_MIN,
MI_VEL_1 = MIDI_VELOCITY_MIN,
MI_VEL_2,