1 files changed, 18 insertions, 0 deletions

diff --git a/quantum/process_keycode/process_midi.h b/quantum/process_keycode/process_midi.h
index 66ce60b0e..ffd41579f 100644
--- a/quantum/process_keycode/process_midi.h
+++ b/quantum/process_keycode/process_midi.h
@@ -4,8 +4,26 @@
 #include "quantum.h"
 #include "midi.h"
 
+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
\ No newline at end of file