From 7c5e510fe2e57d1b3c0f98612f1f89d413c07525 Mon Sep 17 00:00:00 2001
From: Gabriel Young <gabeplaysdrums@live.com>
Date: Sat, 18 Feb 2017 04:25:17 -0800
Subject: [PATCH] add support for pedal cc messages

---
 quantum/process_keycode/process_midi.c | 61 +++++++++++++++++++++-----
 quantum/quantum_keycodes.h             | 11 ++---
 2 files changed, 57 insertions(+), 15 deletions(-)

diff --git a/quantum/process_keycode/process_midi.c b/quantum/process_keycode/process_midi.c
index 2ce7418ea7ec..f7a8b6650f2d 100644
--- a/quantum/process_keycode/process_midi.c
+++ b/quantum/process_keycode/process_midi.c
@@ -62,43 +62,84 @@ bool process_midi(uint16_t keycode, keyrecord_t *record)
             return false;
         }
         case MIDI_OCTAVE_MIN ... MIDI_OCTAVE_MAX:
-            if (record->event.pressed)
+            if (record->event.pressed) {
                 midi_config.octave = keycode - MIDI_OCTAVE_MIN;
+                dprintf("midi octave %d\n", midi_config.octave);
+            }
             return false;
         case MI_OCTD:
-            if (record->event.pressed && midi_config.octave > 0)
+            if (record->event.pressed && midi_config.octave > 0) {
                 midi_config.octave--;
+                dprintf("midi octave %d\n", midi_config.octave);
+            }
             return false;
         case MI_OCTU:
-            if (record->event.pressed && midi_config.octave < (MIDI_OCTAVE_MAX - MIDI_OCTAVE_MIN))
+            if (record->event.pressed && midi_config.octave < (MIDI_OCTAVE_MAX - MIDI_OCTAVE_MIN)) {
                 midi_config.octave++;
+                dprintf("midi octave %d\n", midi_config.octave);
+            }
             return false;
         case MIDI_VELOCITY_MIN ... MIDI_VELOCITY_MAX:
-            if (record->event.pressed)
+            if (record->event.pressed) {
                 midi_config.velocity = keycode - MIDI_VELOCITY_MIN;
+                dprintf("midi velocity %d\n", midi_config.velocity);
+            }
             return false;
         case MI_VELD:
-            if (record->event.pressed && midi_config.velocity > 0)
+            if (record->event.pressed && midi_config.velocity > 0) {
                 midi_config.velocity--;
+                dprintf("midi velocity %d\n", midi_config.velocity);
+            }
             return false;
         case MI_VELU:
-            if (record->event.pressed)
+            if (record->event.pressed) {
                 midi_config.velocity++;
+                dprintf("midi velocity %d\n", midi_config.velocity);
+            }
             return false;
         case MIDI_CHANNEL_MIN ... MIDI_CHANNEL_MAX:
-            if (record->event.pressed)
+            if (record->event.pressed) {
                 midi_config.channel = keycode - MIDI_CHANNEL_MIN;
+                dprintf("midi channel %d\n", midi_config.channel);
+            }
             return false;
         case MI_CHD:
-            if (record->event.pressed)
+            if (record->event.pressed) {
                 midi_config.channel--;
+                dprintf("midi channel %d\n", midi_config.channel);
+            }
             return false;
         case MI_CHU:
-            if (record->event.pressed)
+            if (record->event.pressed) {
                 midi_config.channel++;
+                dprintf("midi channel %d\n", midi_config.channel);
+            }
+            return false;
+        case MI_OFF:
+            if (record->event.pressed) {
+                midi_send_cc(&midi_device, midi_config.channel, 0x7B, 0);
+                dprintf("midi off\n");
+            }
             return false;
         case MI_SUS:
-            //TODO
+            midi_send_cc(&midi_device, midi_config.channel, 0x40, record->event.pressed ? 127 : 0);
+            dprintf("midi sustain %d\n", record->event.pressed);
+            return false;
+        case MI_PORT:
+            midi_send_cc(&midi_device, midi_config.channel, 0x41, record->event.pressed ? 127 : 0);
+            dprintf("midi portamento %d\n", record->event.pressed);
+            return false;
+        case MI_SOST:
+            midi_send_cc(&midi_device, midi_config.channel, 0x42, record->event.pressed ? 127 : 0);
+            dprintf("midi sostenuto %d\n", record->event.pressed);
+            return false;
+        case MI_SOFT:
+            midi_send_cc(&midi_device, midi_config.channel, 0x43, record->event.pressed ? 127 : 0);
+            dprintf("midi soft %d\n", record->event.pressed);
+            return false;
+        case MI_LEG:
+            midi_send_cc(&midi_device, midi_config.channel, 0x43, record->event.pressed ? 127 : 0);
+            dprintf("midi legato %d\n", record->event.pressed);
             return false;
     };
 
diff --git a/quantum/quantum_keycodes.h b/quantum/quantum_keycodes.h
index a024a963955f..f2b9509b569b 100644
--- a/quantum/quantum_keycodes.h
+++ b/quantum/quantum_keycodes.h
@@ -109,8 +109,6 @@ enum quantum_keycodes {
 
 #ifdef MIDI_ENABLE
     // Midi
-    MIDI_ON,
-    MIDI_OFF,
 
     MIDI_TONE_MIN,
 
@@ -221,7 +219,13 @@ enum quantum_keycodes {
     MI_CHD, // previous channel
     MI_CHU, // next channel
 
+    MI_OFF, // all notes off
+
     MI_SUS, // sustain
+    MI_PORT, // portamento
+    MI_SOST, // sostenuto
+    MI_SOFT, // soft
+    MI_LEG,  // legato
 #endif
 
     // Backlight functionality
@@ -394,9 +398,6 @@ enum quantum_keycodes {
 #define BL_ON  BL_9
 #define BL_OFF BL_0
 
-#define MI_ON MIDI_ON
-#define MI_OFF MIDI_OFF
-
 // GOTO layer - 16 layers max
 // when:
 // ON_PRESS    = 1