added basic midi documention of common features

docs/_summary.md

@@ -108,6 +108,7 @@
     * [Haptic Feedback](feature_haptic_feedback.md)
     * [Joystick](feature_joystick.md)
     * [LED Indicators](feature_led_indicators.md)
+    * [MIDI](feature_midi.md)
     * [Proton C Conversion](proton_c_conversion.md)
     * [PS/2 Mouse](feature_ps2_mouse.md)
     * [Split Keyboard](feature_split_keyboard.md)

docs/feature_audio.md

@@ -301,8 +301,7 @@ You can configure the default, min and max frequencies, the stepping and built i
 
 ## MIDI Functionality
 
-This is still a WIP, but check out `quantum/process_keycode/process_midi.c` to see what's happening. Enable from the Makefile.
-
+See [MIDI](feature_midi.md)
 
 ## Audio Keycodes
 
@@ -319,114 +318,3 @@ This is still a WIP, but check out `quantum/process_keycode/process_midi.c` to s
 |`MU_OFF`        |         |Turns off Music Mode              |
 |`MU_TOG`        |         |Toggles Music Mode                |
 |`MU_MOD`        |         |Cycles through the music modes    |
-
-<!-- FIXME: this formatting needs work
-
-## Audio
-
-```c
-#ifdef AUDIO_ENABLE
-    AU_ON,
-    AU_OFF,
-    AU_TOG,
-
-    // Music mode on/off/toggle
-    MU_ON,
-    MU_OFF,
-    MU_TOG,
-
-    // Music voice iterate
-    MUV_IN,
-    MUV_DE,
-#endif
-```
-
-### Midi
-
-#if !MIDI_ENABLE_STRICT || (defined(MIDI_ENABLE) && defined(MIDI_BASIC))
-    MI_ON,  // send midi notes when music mode is enabled
-    MI_OFF, // don't send midi notes when music mode is enabled
-#endif
-
-MIDI_TONE_MIN,
-MIDI_TONE_MAX
-
-MI_C = MIDI_TONE_MIN,
-MI_Cs,
-MI_Db = MI_Cs,
-MI_D,
-MI_Ds,
-MI_Eb = MI_Ds,
-MI_E,
-MI_F,
-MI_Fs,
-MI_Gb = MI_Fs,
-MI_G,
-MI_Gs,
-MI_Ab = MI_Gs,
-MI_A,
-MI_As,
-MI_Bb = MI_As,
-MI_B,
-
-MIDI_TONE_KEYCODE_OCTAVES > 1
-
-where x = 1-5:
-MI_C_x,
-MI_Cs_x,
-MI_Db_x = MI_Cs_x,
-MI_D_x,
-MI_Ds_x,
-MI_Eb_x = MI_Ds_x,
-MI_E_x,
-MI_F_x,
-MI_Fs_x,
-MI_Gb_x = MI_Fs_x,
-MI_G_x,
-MI_Gs_x,
-MI_Ab_x = MI_Gs_x,
-MI_A_x,
-MI_As_x,
-MI_Bb_x = MI_As_x,
-MI_B_x,
-
-MI_OCT_Nx 1-2
-MI_OCT_x 0-7
-MIDI_OCTAVE_MIN = MI_OCT_N2,
-MIDI_OCTAVE_MAX = MI_OCT_7,
-MI_OCTD, // octave down
-MI_OCTU, // octave up
-
-MI_TRNS_Nx 1-6
-MI_TRNS_x 0-6
-MIDI_TRANSPOSE_MIN = MI_TRNS_N6,
-MIDI_TRANSPOSE_MAX = MI_TRNS_6,
-MI_TRNSD, // transpose down
-MI_TRNSU, // transpose up
-
-MI_VEL_x 1-10
-MIDI_VELOCITY_MIN = MI_VEL_1,
-MIDI_VELOCITY_MAX = MI_VEL_9,
-MI_VELD, // velocity down
-MI_VELU, // velocity up
-
-MI_CHx 1-16
-MIDI_CHANNEL_MIN = MI_CH1
-MIDI_CHANNEL_MAX = MI_CH16,
-MI_CHD, // previous channel
-MI_CHU, // next channel
-
-MI_ALLOFF, // all notes off
-
-MI_SUS, // sustain
-MI_PORT, // portamento
-MI_SOST, // sostenuto
-MI_SOFT, // soft pedal
-MI_LEG,  // legato
-
-MI_MOD, // modulation
-MI_MODSD, // decrease modulation speed
-MI_MODSU, // increase modulation speed
-#endif // MIDI_ADVANCED
-
--->