Merge ChibiOS and LUFA descriptor support (#2362)

[qmk_firmware.git] / quantum / process_keycode / process_midi.c

diff --git a/quantum/process_keycode/process_midi.c b/quantum/process_keycode/process_midi.c
index 4d60aefb1c78cdde88e913043e55c2475ebf46b7..9728076dfd3d58b063d14a339608b2a44d977a6c 100644 (file)
--- a/quantum/process_keycode/process_midi.c
+++ b/quantum/process_keycode/process_midi.c
@@ -1,27 +1,54 @@
+/* Copyright 2016 Jack Humbert
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
 #include "process_midi.h"
-#include "timer.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;
+#ifdef MIDI_ENABLE
+#include <LUFA/Drivers/USB/USB.h>
+#include "midi.h"
+#include "qmk_midi.h"
 
-midi_config_t midi_config;
+#ifdef MIDI_BASIC
+
+void process_midi_basic_noteon(uint8_t note)
+{
+    midi_send_noteon(&midi_device, 0, note, 128);
+}
+
+void process_midi_basic_noteoff(uint8_t note)
+{
+    midi_send_noteoff(&midi_device, 0, note, 0);
+}
 
-#define MIDI_INVALID_NOTE 0xFF
+void process_midi_all_notes_off(void)
+{
+    midi_send_cc(&midi_device, 0, 0x7B, 0);
+}
+
+#endif // MIDI_BASIC
+
+#ifdef MIDI_ADVANCED
+
+#include "timer.h"
 
-#define MIDI_TONE_COUNT (MIDI_TONE_MAX - MIDI_TONE_MIN + 1)
 static uint8_t tone_status[MIDI_TONE_COUNT];
 
 static uint8_t midi_modulation;
 static int8_t midi_modulation_step;
 static uint16_t midi_modulation_timer;
+midi_config_t midi_config;
 
 inline uint8_t compute_velocity(uint8_t setting)
 {
@@ -46,28 +73,9 @@ void midi_init(void)
     midi_modulation_timer = 0;
 }
 
-void midi_task(void)
+uint8_t midi_compute_note(uint16_t keycode)
 {
-    if (timer_elapsed(midi_modulation_timer) < midi_config.modulation_interval)
-        return;
-    midi_modulation_timer = timer_read();
-
-    if (midi_modulation_step != 0)
-    {
-        dprintf("midi modulation %d\n", midi_modulation);
-        midi_send_cc(&midi_device, midi_config.channel, 0x1, midi_modulation);
-
-        if (midi_modulation_step < 0 && midi_modulation < -midi_modulation_step) {
-            midi_modulation = 0;
-            midi_modulation_step = 0;
-            return;
-        }
-
-        midi_modulation += midi_modulation_step;
-
-        if (midi_modulation > 127)
-            midi_modulation = 127;
-    }
+    return 12 * midi_config.octave + (keycode - MIDI_TONE_MIN) + midi_config.transpose;
 }
 
 bool process_midi(uint16_t keycode, keyrecord_t *record)
@@ -79,7 +87,7 @@ 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 + midi_config.transpose;
+                uint8_t note = midi_compute_note(keycode);
                 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;
@@ -170,10 +178,10 @@ bool process_midi(uint16_t keycode, keyrecord_t *record)
                 dprintf("midi channel %d\n", midi_config.channel);
             }
             return false;
-        case MI_OFF:
+        case MI_ALLOFF:
             if (record->event.pressed) {
                 midi_send_cc(&midi_device, midi_config.channel, 0x7B, 0);
-                dprintf("midi off\n");
+                dprintf("midi all notes off\n");
             }
             return false;
         case MI_SUS:
@@ -218,3 +226,36 @@ bool process_midi(uint16_t keycode, keyrecord_t *record)
 
     return true;
 }
+
+#endif // MIDI_ADVANCED
+
+void midi_task(void)
+{
+    midi_device_process(&midi_device);
+#ifdef MIDI_ADVANCED
+    if (timer_elapsed(midi_modulation_timer) < midi_config.modulation_interval)
+        return;
+    midi_modulation_timer = timer_read();
+
+    if (midi_modulation_step != 0)
+    {
+        dprintf("midi modulation %d\n", midi_modulation);
+        midi_send_cc(&midi_device, midi_config.channel, 0x1, midi_modulation);
+
+        if (midi_modulation_step < 0 && midi_modulation < -midi_modulation_step) {
+            midi_modulation = 0;
+            midi_modulation_step = 0;
+            return;
+        }
+
+        midi_modulation += midi_modulation_step;
+
+        if (midi_modulation > 127)
+            midi_modulation = 127;
+    }
+#endif
+}
+
+
+
+#endif // MIDI_ENABLE