Merge pull request #104 from jackhumbert/smarkefile

Rework Planck file structure

keyboard/ergodox_ez/keymaps/jack/keymap.c

@@ -8,29 +8,6 @@
 #define MDIA 2 // media keys
 
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
-/* Keymap 0: Basic layer
- *
- * ,--------------------------------------------------.           ,--------------------------------------------------.
- * |   =    |   1  |   2  |   3  |   4  |   5  | LEFT |           | RIGHT|   6  |   7  |   8  |   9  |   0  |   -    |
- * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
- * | Del    |   Q  |   W  |   E  |   R  |   T  |  L1  |           |  L1  |   Y  |   U  |   I  |   O  |   P  |   \    |
- * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
- * | BkSp   |   A  |   S  |   D  |   F  |   G  |------|           |------|   H  |   J  |   K  |   L  |; / L2|   '    |
- * |--------+------+------+------+------+------| Hyper|           | Meh  |------+------+------+------+------+--------|
- * | LShift |Z/Ctrl|   X  |   C  |   V  |   B  |      |           |      |   N  |   M  |   ,  |   .  |//Ctrl| RShift |
- * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
- *   |Grv/L1|  '"  |AltShf| Left | Right|                                       |  Up  | Down |   [  |   ]  | ~L1  |
- *   `----------------------------------'                                       `----------------------------------'
- *                                        ,-------------.       ,-------------.
- *                                        | App  | LGui |       | Alt  |Ctrl/Esc|
- *                                 ,------|------|------|       |------+--------+------.
- *                                 |      |      | Home |       | PgUp |        |      |
- *                                 | Space|Backsp|------|       |------|  Tab   |Enter |
- *                                 |      |ace   | End  |       | PgDn |        |      |
- *                                 `--------------------'       `----------------------'
- */
-// If it accepts an argument (i.e, is a function), it doesn't need KC_.
-// Otherwise, it needs KC_*
 [BASE] = KEYMAP(  // layer 0 : default
         // left hand
         KC_NO,          KC_1,         KC_2,   KC_3,   KC_4,   KC_5,   KC_NO,
@@ -51,28 +28,6 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
              KC_PGUP,
              KC_PGDN, KC_SPC,KC_SPC
     ),
-/* Keymap 1: Symbol Layer
- *
- * ,--------------------------------------------------.           ,--------------------------------------------------.
- * |        |  F1  |  F2  |  F3  |  F4  |  F5  |      |           |      |  F6  |  F7  |  F8  |  F9  |  F10 |   F11  |
- * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
- * |        |   !  |   @  |   {  |   }  |   |  |      |           |      |   Up |   7  |   8  |   9  |   *  |   F12  |
- * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
- * |        |   #  |   $  |   (  |   )  |   `  |------|           |------| Down |   4  |   5  |   6  |   +  |        |
- * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
- * |        |   %  |   ^  |   [  |   ]  |   ~  |      |           |      |   &  |   1  |   2  |   3  |   \  |        |
- * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
- *   |      |      |      |      |      |                                       |      |    . |   0  |   =  |      |
- *   `----------------------------------'                                       `----------------------------------'
- *                                        ,-------------.       ,-------------.
- *                                        |      |      |       |      |      |
- *                                 ,------|------|------|       |------+------+------.
- *                                 |      |      |      |       |      |      |      |
- *                                 |      |      |------|       |------|      |      |
- *                                 |      |      |      |       |      |      |      |
- *                                 `--------------------'       `--------------------'
- */
-// SYMBOLS
 [SYMB] = KEYMAP(
        // left hand
        KC_TRNS,KC_F1,  KC_F2,  KC_F3,  KC_F4,  KC_F5,  KC_TRNS,
@@ -93,29 +48,7 @@ const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
        KC_TRNS,
        KC_TRNS, KC_TRNS, KC_TRNS
 ),
-/* Keymap 2: Media and mouse keys
- *
- * ,--------------------------------------------------.           ,--------------------------------------------------.
- * |        |      |      |      |      |      |      |           |      |      |      |      |      |      |        |
- * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
- * |        |      |      | MsUp |      |      |      |           |      |      |      |      |      |      |        |
- * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
- * |        |      |MsLeft|MsDown|MsRght|      |------|           |------|      |      |      |      |      |  Play  |
- * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
- * |        |      |      |      |      |      |      |           |      |      |      | Prev | Next |      |        |
- * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
- *   |      |      |      | Lclk | Rclk |                                       |VolUp |VolDn | Mute |      |      |
- *   `----------------------------------'                                       `----------------------------------'
- *                                        ,-------------.       ,-------------.
- *                                        |      |      |       |      |      |
- *                                 ,------|------|------|       |------+------+------.
- *                                 |      |      |      |       |      |      |Brwser|
- *                                 |      |      |------|       |------|      |Back  |
- *                                 |      |      |      |       |      |      |      |
- *                                 `--------------------'       `--------------------'
- */
-// MEDIA AND MOUSE
-KEYMAP(
+[MDIA] = KEYMAP(
        KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
        KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_TRNS,
        KC_TRNS, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,  

keyboard/ergodox_ez/keymaps/keymap_generated.c

@@ -0,0 +1,78 @@
+#include "ergodox_ez.h"
+#include "debug.h"
+#include "action_layer.h"
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+// If it accepts an argument (i.e, is a function), it doesn't need KC_.
+// Otherwise, it needs KC_*
+
+#define SYMB 0
+
+[0] = KEYMAP( \
+\
+KC_KP_EQUAL, KC_1, KC_2, KC_3, KC_4, KC_5, KC_LEFT, KC_DELETE, KC_Q, KC_W, KC_E, KC_R, KC_T, TG(1), KC_BSPACE, KC_A, KC_S, KC_D, KC_F, KC_G, KC_LSHIFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TAB, KC_LEFT, KC_RIGHT, KC_TRANSPARENT, KC_LGUI, KC_HOME, KC_SPACE, KC_BSPACE, KC_END, KC_RIGHT, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINUS, TG(1), KC_Y, KC_U, KC_I, KC_O, KC_P, KC_BSLASH, KC_H, KC_J, KC_K, KC_L, KC_SCOLON, KC_QUOTE, KC_TRANSPARENT, KC_N, KC_M, KC_COMMA, KC_DOT, KC_LCTRL, KC_LSHIFT, KC_UP, KC_DOWN, KC_LBRACKET, KC_RBRACKET, KC_TRANSPARENT, KC_LALT, KC_ESCAPE, KC_PGUP, KC_PGDOWN, KC_TAB, KC_ENTER \
+\
+),
+
+[1] = KEYMAP( \
+\
+KC_TRANSPARENT, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_TRANSPARENT, KC_UP, KC_KP_7, KC_KP_8, KC_KP_9, KC_KP_ASTERISK, KC_F12, KC_DOWN, KC_KP_4, KC_KP_5, KC_KP_6, KC_KP_PLUS, KC_TRANSPARENT, KC_TRANSPARENT, , KC_KP_1, KC_KP_2, KC_KP_3, KC_KP_SLASH, KC_TRANSPARENT, KC_TRANSPARENT, KC_KP_DOT, KC_KP_0, KC_KP_EQUAL, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT \
+\
+),
+
+[2] = KEYMAP( \
+\
+KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_MS_UP, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_MS_LEFT, KC_MS_DOWN, KC_MS_RIGHT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_MS_BTN3, KC_MS_BTN2, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_MEDIA_PLAY_PAUSE, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_MEDIA_PREV_TRACK, KC_MEDIA_NEXT_TRACK, KC_TRANSPARENT, KC_TRANSPARENT, KC_AUDIO_VOL_UP, KC_AUDIO_VOL_DOWN, KC_AUDIO_MUTE, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT, KC_TRANSPARENT \
+\
+),
+
+};
+
+const uint16_t PROGMEM fn_actions[] = {
+    [1] = ACTION_LAYER_TAP_TOGGLE(SYMB)                // FN1 - Momentary Layer 1 (Symbols)
+};
+
+const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
+{
+  // MACRODOWN only works in this function
+      switch(id) {
+        case 0:
+        if (record->event.pressed) {
+          register_code(KC_RSFT);
+        } else {
+          unregister_code(KC_RSFT);
+        }
+        break;
+      }
+    return MACRO_NONE;
+};
+
+// Runs just one time when the keyboard initializes.
+void * matrix_init_user(void) {
+
+};
+
+// Runs constantly in the background, in a loop.
+void * matrix_scan_user(void) {
+
+    uint8_t layer = biton32(layer_state);
+
+    ergodox_board_led_off();
+    ergodox_right_led_1_off();
+    ergodox_right_led_2_off();
+    ergodox_right_led_3_off();
+    switch (layer) {
+      // TODO: Make this relevant to the ErgoDox EZ.
+        case 1:
+            ergodox_right_led_1_on();
+            break;
+        case 2:
+            ergodox_right_led_2_on();
+            break;
+        default:
+            // none
+            break;
+    }
+
+};

keyboard/planck/Makefile

@@ -50,14 +50,30 @@ TMK_DIR = ../../tmk_core
 TARGET_DIR = .
 
 # # project specific files
-SRC = planck.c \
-	backlight.c 
+SRC = planck.c
+
+ifdef keymap
+	KEYMAP = $(keymap)
+endif
 
 ifdef KEYMAP
-    SRC := keymaps/keymap_$(KEYMAP).c $(SRC)
+ifneq ("$(wildcard keymaps/$(KEYMAP).c)","")
+	KEYMAP_FILE = keymaps/$(KEYMAP).c
+else
+ifneq ("$(wildcard keymaps/$(KEYMAP)/keymap.c)","")
+	KEYMAP_FILE = keymaps/$(KEYMAP)/keymap.c
 else
-    SRC := keymaps/keymap_default.c $(SRC)
+$(error Keymap file does not exist)
 endif
+endif
+else
+ifneq ("$(wildcard keymaps/default.c)","")
+	KEYMAP_FILE = keymaps/default.c
+else
+	KEYMAP_FILE = keymaps/default/keymap.c
+endif
+endif
+SRC := $(KEYMAP_FILE) $(SRC)
 
 CONFIG_H = config.h
 
@@ -122,11 +138,15 @@ COMMAND_ENABLE = yes    # Commands for debug and configuration
 # Do not enable SLEEP_LED_ENABLE. it uses the same timer as BACKLIGHT_ENABLE
 # SLEEP_LED_ENABLE = yes  # Breathing sleep LED during USB suspend
 # NKRO_ENABLE = yes		# USB Nkey Rollover - if this doesn't work, see here: https://github.com/tmk/tmk_keyboard/wiki/FAQ#nkro-doesnt-work
-BACKLIGHT_ENABLE = yes  # Enable keyboard backlight functionality
-# MIDI_ENABLE = YES 		# MIDI controls
+# BACKLIGHT_ENABLE = yes  # Enable keyboard backlight functionality
+MIDI_ENABLE = YES 		# MIDI controls
+AUDIO_ENABLE = YES 		# Audio output on port C6
 # UNICODE_ENABLE = YES 		# Unicode
 # BLUETOOTH_ENABLE = yes # Enable Bluetooth with the Adafruit EZ-Key HID
 
+ifdef BACKLIGHT_ENABLE
+	SRC += backlight.c
+endif
 
 # Optimize size but this may cause error "relocation truncated to fit"
 #EXTRALDFLAGS = -Wl,--relax

keyboard/planck/README.md

@@ -3,29 +3,42 @@ Planck keyboard firmware
 DIY/Assembled compact ortholinear 40% keyboard by [Ortholinear Keyboards](http://ortholinearkeyboards.com).
 
 ## Quantum MK Firmware
+
 You have access to a bunch of goodies! Check out the Makefile to enable/disable some of the features. Uncomment the `#` to enable them. Setting them to `no` does nothing and will only confuse future you.
 
     BACKLIGHT_ENABLE = yes # Enable keyboard backlight functionality
     MIDI_ENABLE = yes      # MIDI controls
-    # UNICODE_ENABLE = yes # Unicode support
+    # UNICODE_ENABLE = yes # Unicode support - this is commented out, just as an example. You have to use #, not //
     BLUETOOTH_ENABLE = yes # Enable Bluetooth with the Adafruit EZ-Key HID
 
-### Mod shortcuts
+## Quick aliases to common actions
+
+Your keymap can include shortcuts to common operations (called "function actions" in tmk).
+
+### Switching and toggling layers
+
+`MO(layer)` - momentary switch to *layer*. As soon as you let go of the key, the layer is deactivated and you pop back out to the previous layer. When you apply this to a key, that same key must be set as `KC_TRNS` on the destination layer. Otherwise, you won't make it back to the original layer when you release the key (and you'll get a keycode sent). You can only switch to layers *above* your current layer. If you're on layer 0 and you use `MO(1)`, that will switch to layer 1 just fine. But if you include `MO(3)` on layer 5, that won't do anything for you -- because layer 3 is lower than layer 5 on the stack.
+
+`LT(layer, kc)` - momentary switch to *layer* when held, and *kc* when tapped. Like `MO()`, this only works upwards in the layer stack (`layer` must be higher than the current layer).
+
+`TG(layer)` - toggles a layer on or off. As with `MO()`, you should set this key as `KC_TRNS` in the destination layer so that tapping it again actually toggles back to the original layer. Only works upwards in the layer stack.
 
-* `LSFT(kc)` - applies left shift to *kc* - `S(kc)` is an alias
-* `RSFT(kc)` - applies right shift to *kc*
-* `LCTL(kc)` - applies left control to *kc*
-* `RCTL(kc)` - applies right control to *kc*
-* `LALT(kc)` - applies left alt to *kc*
-* `RALT(kc)` - applies right alt to *kc*
-* `LGUI(kc)` - applies left gui (command/win) to *kc*
-* `RGUI(kc)` - applies right gui (command/win) to *kc*
+### Fun with modifier keys
 
-You can also use more than one, like this:
+* `LSFT(kc)` - applies left Shift to *kc* (keycode) - `S(kc)` is an alias
+* `RSFT(kc)` - applies right Shift to *kc*
+* `LCTL(kc)` - applies left Control to *kc*
+* `RCTL(kc)` - applies right Control to *kc*
+* `LALT(kc)` - applies left Alt to *kc*
+* `RALT(kc)` - applies right Alt to *kc*
+* `LGUI(kc)` - applies left GUI (command/win) to *kc*
+* `RGUI(kc)` - applies right GUI (command/win) to *kc*
 
-    LALT(LGUI(KC_ESC))
+You can also chain these, like this:
 
-The following shortcuts automatically add `LSFT()` to keycodes to get commonly used symbols. Their long names (see `quantum/keymap_common.h`) are also availble.
+    LALT(LCTL(KC_DEL)) -- this makes a key that sends Alt, Control, and Delete in a single keypress.
+
+The following shortcuts automatically add `LSFT()` to keycodes to get commonly used symbols. Their long names are also available and documented in `/quantum/keymap_common.h`.
 
     KC_TILD  ~
     KC_EXLM  !
@@ -45,31 +58,71 @@ The following shortcuts automatically add `LSFT()` to keycodes to get commonly u
     KC_PIPE  |
     KC_COLN  :
 
-### Function shortcuts
+`MT(mod, kc)` - is *mod* (modifier key - MOD_LCTL, MOD_LSFT) when held, and *kc* when tapped. In other words, you can have a key that sends Esc (or the letter O or whatever) when you tap it, but works as a Control key or a Shift key when you hold it down. 
+
+These are the values you can use for the `mod` in `MT()` (right-hand modifiers are not available):
+
+  * MOD_LCTL
+  * MOD_LSFT
+  * MOD_LALT
+  * MOD_LGUI
 
-Instead of using `FNx`, you can use `F(x)` - the benefit here is being able to use more than 32 function layers (up to 4096), if you happen to need them.
+These can also be combined like `MOD_LCTL | MOD_LSFT` e.g. `MT(MOD_LCTL | MOD_LSFT, KC_ESC)` which would activate Control and Shift when held, and send Escape when tapped.
 
-There are also keycode shortcuts for common actions:
+We've added shortcuts to make common modifier/tap (mod-tap) mappings more compact:
 
-* `MO(layer)` - momentary switch to *layer*
-* `DF(layer)` - sets default layer to *layer*
-* `TG(layer)` - toggle between the current layer and *layer*
-* `MT(mod, kc)` - is *mod* when held, and *kc* when tapped
   * `CTL_T(kc)` - is LCTL when held and *kc* when tapped 
   * `SFT_T(kc)` - is LSFT when held and *kc* when tapped 
   * `ALT_T(kc)` - is LALT when held and *kc* when tapped 
   * `GUI_T(kc)` - is LGUI when held and *kc* when tapped 
-  * `ALL_T(kc)` - is Hyper (all mods) when held and *kc* when tapped 
-* `LT(layer, kc)` - momentary switch to *layer* when held, and *kc* when tapped
+  * `ALL_T(kc)` - is Hyper (all mods) when held and *kc* when tapped. To read more about what you can do with a Hyper key, see [this blog post by Brett Terpstra](http://brettterpstra.com/2012/12/08/a-useful-caps-lock-key/)
+
+### Temporarily setting the default layer 
+
+`DF(layer)` - sets default layer to *layer*. The default layer is the one at the "bottom" of the layer stack - the ultimate fallback layer. This currently does not persist over power loss. When you plug the keyboard back in, layer 0 will always be the default. It is theoretically possible to work around that, but that's not what `DF` does.
+
+### Remember: These are just aliases
 
-These functions work the same way that their `ACTION_*` functions do, and will require KC_TRNS on the layer being switched to - check out the default keymap for an example.
+These functions work the same way that their `ACTION_*` functions do - they're just quick aliases. To dig into all of the tmk ACTION_* functions, please see the [TMK documentation](https://github.com/jackhumbert/qmk_firmware/blob/master/tmk_core/doc/keymap.md#2-action).
 
-### Additional keycodes for software-implemented layouts (Colemak, Dvorak, etc)
+Instead of using `FNx` when defining `ACTION_*` functions, you can use `F(x)` - the benefit here is being able to use more than 32 function actions (up to 4096), if you happen to need them.
+
+## Macro shortcuts: Send a whole string when pressing just one key
+
+Instead of using the `ACTION_MACRO` function, you can simply use `M(n)` to access macro *n* - *n* will get passed into the `action_get_macro` as the `id`, and you can use a switch statement to trigger it. This gets called on the keydown and keyup, so you'll need to use an if statement testing `record->event.pressed` (see keymaps/default.c).
+
+```c
+const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt) // this is the function signature -- just copy/paste it into your keymap file as it is.
+{
+  switch(id) {
+    case 0: // this would trigger when you hit a key mapped as M(0)
+      if (record->event.pressed) {
+        return MACRO( I(255), T(H), T(E), T(L), T(L), W(255), T(O), END  ); // this sends the string 'hello' when the macro executes
+      } 
+      break;
+  }
+  return MACRO_NONE;
+};
+```
+A macro can include the following commands:
+
+* I() change interval of stroke in milliseconds.
+* D() press key.
+* U() release key.
+* T() type key(press and release).
+* W() wait (milliseconds).
+* END end mark.
+
+So above you can see the stroke interval changed to 255ms between each keystroke, then a bunch of keys being typed, waits a while, then the macro ends.
+
+Note: Using macros to have your keyboard send passwords for you is a bad idea.
+
+### Additional keycode aliases for software-implemented layouts (Colemak, Dvorak, etc)
 
 Everything is assuming you're in Qwerty (in software) by default, but there is built-in support for using a Colemak or Dvorak layout by including this at the top of your keymap:
 
-     #include "keymap_<layout>.h"
-     
+   #include "keymap_<layout>.h"
+
 Where <layout> is "colemak" or "dvorak". After including this line, you will get access to:
  
  * `CM_*` for all of the Colemak-equivalent characters
@@ -79,19 +132,15 @@ These implementations assume you're using Colemak or Dvorak on your OS, not on y
 
 To give an example, if you're using software-implemented Colemak, and want to get an `F`, you would use `CM_F` - `KC_F` under these same circumstances would result in `T`.
 
-### Additional language support
+## Additional language support
 
-In `quantum/keymap_extras/`, you'll see various language files - these work the same way as the alternative layout ones do. Most are defined by their two letter country/language code followed by an underscore and a 4-letter abbrivation of its name. `FR_UGRV` which will result in a `ù` when using a software-implemented AZERTY layout. It's currently difficult to send such characters in just the firmware (but it's being worked on - see Unicode support).
+In `quantum/keymap_extras/`, you'll see various language files - these work the same way as the alternative layout ones do. Most are defined by their two letter country/language code followed by an underscore and a 4-letter abbreviation of its name. `FR_UGRV` which will result in a `ù` when using a software-implemented AZERTY layout. It's currently difficult to send such characters in just the firmware (but it's being worked on - see Unicode support).
 
-### Unicode support
+## Unicode support
 
 You can currently send 4 hex digits with your OS-specific modifier key (RALT for OSX with the "Unicode Hex Input" layout) - this is currently limited to supporting one OS at a time, and requires a recompile for switching. 8 digit hex codes are being worked on. The keycode function is `UC(n)`, where *n* is a 4 digit hexidecimal. Enable from the Makefile.
 
-### Macro shortcuts
-
-Instead of using the `ACTION_MACRO` function, you can simply use `M(n)` to access macro *n* - *n* will get passed into the `action_get_macro` as the `id`, and you can use a switch statement to filter them. This gets called on the keydown and keyup, so you'll need to use an if statement testing `record->event.pressed` (see keymap_default.c).
-
-### Other keyboard shortcut keycodes
+## Other firmware shortcut keycodes
 
 * `RESET` - puts the MCU in DFU mode for flashing new firmware (with `make dfu`)
 * `DEBUG` - the firmware into debug mode - you'll need hid_listen to see things
@@ -105,12 +154,11 @@ Instead of using the `ACTION_MACRO` function, you can simply use `M(n)` to acces
 
 Enable the backlight from the Makefile.
 
-
-### MIDI functionalty
+## MIDI functionalty
 
 This is still a WIP, but check out `quantum/keymap_midi.c` to see what's happening. Enable from the Makefile.
 
-### Bluetooth functionality
+## Bluetooth functionality
 
 This requires [some hardware changes](https://www.reddit.com/r/MechanicalKeyboards/comments/3psx0q/the_planck_keyboard_with_bluetooth_guide_and/?ref=search_posts), but can be enabled via the Makefile. The firmware will still output characters via USB, so be aware of this when charging via a computer. It would make sense to have a switch on the Bluefruit to turn it off at will.
 
@@ -124,13 +172,13 @@ Depending on which keymap you would like to use, you will have to compile slight
 To build with the default keymap, simply run `make`.
 
 ### Other Keymaps
-Several version of keymap are available in advance but you are recommended to define your favorite layout yourself. To define your own keymap create file named `keymap_<name>.c` and see keymap document (you can find in top README.md) and existent keymap files.
+Several version of keymap are available in advance but you are recommended to define your favorite layout yourself. To define your own keymap create file named `<name>.c` and see keymap document (you can find in top README.md) and existent keymap files.
 
 To build the firmware binary hex file with a keymap just do `make` with `KEYMAP` option like:
 ```
 $ make KEYMAP=[default|jack|<name>]
 ```
-Keymaps follow the format **__keymap\_\<name\>.c__** and are stored in the `keymaps` folder.
+Keymaps follow the format **__<name\>.c__** and are stored in the `keymaps` folder.
 
 ### Notable forks (which some of the keymap files are from)
 - [Shane's Fork](https://github.com/shanecelis/tmk_keyboard/tree/master/keyboard/planck)

keyboard/planck/keymaps/default/README.md

@@ -0,0 +1,34 @@
+# The Default Planck Layout
+
+    const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [_QW] = { /* Qwerty */
+      {KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_BSPC},
+      {KC_ESC,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT},
+      {KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_ENT },
+      {M(0),    KC_LCTL, KC_LALT, KC_LGUI, MO(_LW), KC_SPC,  KC_SPC,  MO(_RS), KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT}
+    },
+    [_CM] = { /* Colemak */
+      {KC_TAB,  KC_Q,    KC_W,    KC_F,    KC_P,    KC_G,    KC_J,    KC_L,    KC_U,    KC_Y,    KC_SCLN, KC_BSPC},
+      {KC_ESC,  KC_A,    KC_R,    KC_S,    KC_T,    KC_D,    KC_H,    KC_N,    KC_E,    KC_I,    KC_O,    KC_QUOT},
+      {KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_K,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_ENT },
+      {M(0),    KC_LCTL, KC_LALT, KC_LGUI, MO(_LW), KC_SPC,  KC_SPC,  MO(_RS), KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT}
+    },
+    [_DV] = { /* Dvorak */
+      {KC_TAB,  KC_QUOT, KC_COMM, KC_DOT,  KC_P,    KC_Y,    KC_F,    KC_G,    KC_C,    KC_R,    KC_L,    KC_BSPC},
+      {KC_ESC,  KC_A,    KC_O,    KC_E,    KC_U,    KC_I,    KC_D,    KC_H,    KC_T,    KC_N,    KC_S,    KC_SLSH},
+      {KC_LSFT, KC_SCLN, KC_Q,    KC_J,    KC_K,    KC_X,    KC_B,    KC_M,    KC_W,    KC_V,    KC_Z,    KC_ENT },
+      {M(0),    KC_LCTL, KC_LALT, KC_LGUI, MO(_LW), KC_SPC,  KC_SPC,  MO(_RS), KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT}
+    },
+    [_RS] = { /* RAISE */
+      {KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC},
+      {KC_TRNS, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_MINS, KC_EQL,  KC_LBRC, KC_RBRC, KC_BSLS},
+      {KC_TRNS, KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  DF(_QW), DF(_CM), DF(_DV), RESET,   KC_TRNS},
+      {KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY}
+    },
+    [_LW] = { /* LOWER */
+      {KC_TILD, KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_BSPC},
+      {KC_TRNS, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_UNDS, KC_PLUS, KC_LCBR, KC_RCBR, KC_PIPE},
+      {KC_TRNS, KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  DF(_QW), DF(_CM), DF(_DV), RESET,   KC_TRNS},
+      {KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY}
+    }
+    };

keyboard/planck/keymaps/keymap_default.c → keyboard/planck/keymaps/default/keymap.c

@@ -2,7 +2,9 @@
 // this is the style you want to emulate.
 
 #include "planck.h"
-#include "backlight.h"
+#ifdef BACKLIGHT_ENABLE
+  #include "backlight.h"
+#endif
 
 // Each layer gets a name for readability, which is then used in the keymap matrix below.
 // The underscores don't mean anything - you can have a layer called STUFF or any other name.
@@ -58,7 +60,9 @@ const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
         case 0:
           if (record->event.pressed) {
             register_code(KC_RSFT);
-            backlight_step();
+            #ifdef BACKLIGHT_ENABLE
+              backlight_step();
+            #endif
           } else {
             unregister_code(KC_RSFT);
           }

keyboard/planck/keymaps/keymap_jack.c

@@ -1,50 +0,0 @@
-#include "keymap_common.h"
-
-const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
-[0] = { /* Jack soft-coded colemak */
-  {KC_TAB,  CM_Q,    CM_W,    CM_F,    CM_P,    CM_G,    CM_J,    CM_L,    CM_U,    CM_Y,    CM_SCLN, KC_BSPC},
-  {KC_ESC,  CM_A,    CM_R,    CM_S,    CM_T,    CM_D,    CM_H,    CM_N,    CM_E,    CM_I,    CM_O,     KC_QUOT},
-  {KC_LSFT, CM_Z,    CM_X,    CM_C,    CM_V,    CM_B,    CM_K,    CM_M,    CM_COMM, CM_DOT,  CM_SLSH, KC_ENT},
-  {BL_STEP, KC_LCTL, KC_LALT, KC_LGUI, FUNC(2),    KC_SPC,   KC_SPC,    FUNC(1),   KC_LEFT, KC_DOWN, KC_UP,  KC_RGHT}
-                                                // Space is repeated to accommadate for both spacebar wiring positions
-},
-[1] = { /* Jack hard-coded colemak */
-  {KC_TAB,  KC_Q,    KC_W,    KC_F,    KC_P,    KC_G,    KC_J,    KC_L,    KC_U,    KC_Y,    KC_SCLN, KC_BSPC},
-  {KC_ESC,  KC_A,    KC_R,    KC_S,    KC_T,    KC_D,    KC_H,    KC_N,    KC_E,    KC_I,    KC_O,     KC_QUOT},
-  {KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_K,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_ENT},
-  {KC_FN3, KC_LCTL, KC_LALT, KC_LGUI, FUNC(2),    KC_SPC,   KC_SPC,    FUNC(1),   KC_LEFT, KC_DOWN, KC_UP,  KC_RGHT}
-},
-[2] = { /* Jack RAISE */
-  {KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC},
-  {KC_TRNS, FUNC(3), FUNC(4), LSFT(RSFT(KC_PAUSE)), KC_TRNS, KC_TRNS, KC_TRNS, KC_MINS, KC_EQL,  KC_LBRC, KC_RBRC, KC_BSLS},
-  {KC_TRNS, KC_F11,  KC_F12,  KC_F13,  KC_F14,  KC_F15,  KC_F16,  KC_F17,  KC_F18,  KC_F19,  KC_F20, KC_TRNS},
-  {KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,    KC_TRNS,   KC_TRNS,  FUNC(1),   KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY}
-},
-[3] = { /* Jack LOWER */
-  {S(KC_GRV),  S(KC_1),    S(KC_2),    S(KC_3),    S(KC_4),    S(KC_5),    S(KC_6),    S(KC_7),    S(KC_8),    S(KC_9),    S(KC_0), KC_BSPC},
-  {KC_TRNS, FUNC(3), FUNC(4), LSFT(RSFT(KC_PAUSE)), KC_TRNS, KC_TRNS, KC_TRNS, S(KC_MINS), S(KC_EQL),  S(KC_LBRC), S(KC_RBRC), S(KC_BSLS)},
-  {KC_TRNS, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_TRNS},
-  {KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, FUNC(2),   KC_TRNS,   KC_TRNS,   KC_TRNS, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY}
-}
-};
-
-
-const uint16_t PROGMEM fn_actions[] = {
-    [1] = ACTION_LAYER_MOMENTARY(2),  // to Fn overlay
-    [2] = ACTION_LAYER_MOMENTARY(3),  // to Fn overlay
-
-    [3] = ACTION_DEFAULT_LAYER_SET(0),
-    [4] = ACTION_DEFAULT_LAYER_SET(1),
-
-};
-
-const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt) 
-{
-  // MACRODOWN only works in this function
-    switch(id) {
-      case 0:
-        return MACRODOWN(T(CM_T), END);
-      break;
-    } 
-    return MACRO_NONE;
-};

keyboard/planck/keymaps/lock/README.md

@@ -0,0 +1,3 @@
+# Lock layout
+
+This layout is designed for having a lock switch in the lower-left-hand corner, and for experimenting with MIDI/audio features. It's constantly in development, so don't expect anything to work/be documented correctly!

keyboard/planck/keymaps/keymap_lock.c → keyboard/planck/keymaps/lock/keymap.c

@@ -1,7 +1,12 @@
+// USING_MIDI
+// USING_BACKLIGHT
 #include "keymap_common.h"
-#include "backlight.h"
+#ifdef BACKLIGHT_ENABLE
+  #include "backlight.h"
+#endif
 #include "action_layer.h"
 #include "keymap_midi.h"
+#include "audio.h"
 #include <avr/boot.h>
 
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
@@ -63,15 +68,31 @@ uint16_t hextokeycode(int hex) {
     }
 }
 
+float walk_up[][2] = {
+  {440.0*pow(2.0,(60)/12.0), 400},
+  {0, 50},
+  {440.0*pow(2.0,(67)/12.0), 600},
+};
+
+float walk_dn[][2] = {
+  {440.0*pow(2.0,(67)/12.0), 400},
+  {0, 50},
+  {440.0*pow(2.0,(60)/12.0), 600},
+};
+
 const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt) 
 {
   // MACRODOWN only works in this function
       switch(id) {
         case 0:   
         if (record->event.pressed) {
+
+          play_notes(&walk_up, 3, false);
           // play_note(440, 20);
           // register_code(KC_RSFT);
-          backlight_set(BACKLIGHT_LEVELS);
+          #ifdef BACKLIGHT_ENABLE
+            backlight_set(BACKLIGHT_LEVELS);
+          #endif
           default_layer_and(0); 
           default_layer_or((1<<5));
 
@@ -103,19 +124,33 @@ const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
           // register_code(hextokeycode((lock & 0x0F)));
           // unregister_code(hextokeycode((lock & 0x0F)));
 
-          // note(0+12, 20);
-          // note(0+24, 20);
         } else {
-          // unregister_code(KC_RSFT);
-          // stop_note();
-          backlight_set(0);
+          unregister_code(KC_RSFT);
+          play_notes(&walk_dn, 3, false);
+          #ifdef BACKLIGHT_ENABLE
+            backlight_set(0);
+          #endif
           default_layer_and(0); 
           default_layer_or(0);
-          // note(0+24, 20);
-          // note(0, 20);
-          // play_note(4, 20);
         }
         break;
       } 
     return MACRO_NONE;
 };
+
+float start_up[][2] = {
+  {440.0*pow(2.0,(67)/12.0), 600},
+  {0, 50},
+  {440.0*pow(2.0,(64)/12.0), 400},
+  {0, 50},
+  {440.0*pow(2.0,(55)/12.0), 400},
+  {0, 50},
+  {440.0*pow(2.0,(60)/12.0), 400},
+  {0, 50},
+  {440.0*pow(2.0,(64)/12.0), 1000},
+};
+
+void * matrix_init_user(void) {
+    init_notes();
+    play_notes(&start_up, 9, false);
+}

keyboard/planck/planck.h

@@ -3,8 +3,13 @@
 
 #include "matrix.h"
 #include "keymap_common.h"
-#include "backlight.h"
+#ifdef BACKLIGHT_ENABLE
+	#include "backlight.h"
+#endif
 #include <stddef.h>
+#ifdef MIDI_ENABLE
+	#include <keymap_midi.h>
+#endif
 
 #define PLANCK_MIT( \
 	k00, k01, k02, k03, k04, k05, k06, k07, k08, k09, k0a, k0b, \

quantum/audio.c

@@ -0,0 +1,362 @@
+#include <stdio.h>
+#include <string.h>
+#include <math.h>
+#include <avr/pgmspace.h>
+#include <avr/interrupt.h>
+#include <avr/io.h>
+
+#include "audio.h"
+#include "keymap_common.h"
+
+#define PI 3.14159265
+
+// #define PWM_AUDIO
+
+#ifdef PWM_AUDIO
+    #include "wave.h"
+    #define SAMPLE_DIVIDER 39
+    #define SAMPLE_RATE (2000000.0/SAMPLE_DIVIDER/2048)
+    // Resistor value of 1/ (2 * PI * 10nF * (2000000 hertz / SAMPLE_DIVIDER / 10)) for 10nF cap
+#endif
+
+void delay_us(int count) {
+  while(count--) {
+    _delay_us(1);
+  }
+}
+
+int voices = 0;
+int voice_place = 0;
+double frequency = 0;
+int volume = 0;
+long position = 0;
+
+double frequencies[8] = {0, 0, 0, 0, 0, 0, 0, 0};
+int volumes[8] = {0, 0, 0, 0, 0, 0, 0, 0};
+bool sliding = false;
+
+int max = 0xFF;
+float sum = 0;
+int value = 128;
+float place = 0;
+float places[8] = {0, 0, 0, 0, 0, 0, 0, 0};
+
+uint16_t place_int = 0;
+bool repeat = true;
+uint8_t * sample;
+uint16_t sample_length = 0;
+
+
+bool notes = false;
+bool note = false;
+float note_frequency = 0;
+float note_length = 0;
+uint16_t note_position = 0;
+float (* notes_pointer)[][2];
+uint8_t notes_length;
+bool notes_repeat;
+uint8_t current_note = 0;
+
+void stop_all_notes() {
+    voices = 0;
+    #ifdef PWM_AUDIO
+        TIMSK3 &= ~_BV(OCIE3A);
+    #else
+        TIMSK3 &= ~_BV(OCIE3A);
+        TCCR3A &= ~_BV(COM3A1);
+    #endif
+    notes = false;
+    note = false;
+    frequency = 0;
+    volume = 0;
+
+    for (int i = 0; i < 8; i++) {
+        frequencies[i] = 0;
+        volumes[i] = 0;
+    }
+}
+
+void stop_note(double freq) {
+    #ifdef PWM_AUDIO
+        freq = freq / SAMPLE_RATE;
+    #endif
+    for (int i = 7; i >= 0; i--) {
+        if (frequencies[i] == freq) {
+            frequencies[i] = 0;
+            volumes[i] = 0;
+            for (int j = i; (j < 7); j++) {
+                frequencies[j] = frequencies[j+1];
+                frequencies[j+1] = 0;
+                volumes[j] = volumes[j+1];
+                volumes[j+1] = 0;
+            }
+        }
+    }
+    voices--;
+    if (voices < 0)
+        voices = 0;
+    if (voices == 0) {
+        #ifdef PWM_AUDIO
+            TIMSK3 &= ~_BV(OCIE3A);
+        #else
+            TIMSK3 &= ~_BV(OCIE3A);
+            TCCR3A &= ~_BV(COM3A1);
+        #endif
+        frequency = 0;
+        volume = 0;
+        note = false;
+    } else {
+        double freq = frequencies[voices - 1];
+        int vol = volumes[voices - 1];
+        double starting_f = frequency;
+        if (frequency < freq) {
+            sliding = true;
+            for (double f = starting_f; f <= freq; f += ((freq - starting_f) / 2000.0)) {
+                frequency = f;
+            }
+            sliding = false;
+        } else if (frequency > freq) {
+            sliding = true;
+            for (double f = starting_f; f >= freq; f -= ((starting_f - freq) / 2000.0)) {
+                frequency = f;
+            }
+            sliding = false;
+        }
+        frequency = freq;
+        volume = vol;
+    }
+}
+
+void init_notes() {
+
+    #ifdef PWM_AUDIO
+        PLLFRQ = _BV(PDIV2);
+        PLLCSR = _BV(PLLE);
+        while(!(PLLCSR & _BV(PLOCK)));
+        PLLFRQ |= _BV(PLLTM0); /* PCK 48MHz */
+
+        /* Init a fast PWM on Timer4 */
+        TCCR4A = _BV(COM4A0) | _BV(PWM4A); /* Clear OC4A on Compare Match */
+        TCCR4B = _BV(CS40); /* No prescaling => f = PCK/256 = 187500Hz */
+        OCR4A = 0;
+
+        /* Enable the OC4A output */
+        DDRC |= _BV(PORTC6);
+
+        TIMSK3 &= ~_BV(OCIE3A); // Turn off 3A interputs
+        
+        TCCR3A = 0x0; // Options not needed
+        TCCR3B = _BV(CS31) | _BV(CS30) | _BV(WGM32); // 64th prescaling and CTC
+        OCR3A = SAMPLE_DIVIDER - 1; // Correct count/compare, related to sample playback
+    #else
+        DDRC |= _BV(PORTC6);
+
+        TIMSK3 &= ~_BV(OCIE3A); // Turn off 3A interputs
+
+        TCCR3A = (0 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30);
+        TCCR3B = (1 << WGM33) | (1 << WGM32) | (0 << CS32) | (1 << CS31) | (0 << CS30);
+    #endif
+}
+
+
+ISR(TIMER3_COMPA_vect) {
+
+    if (note) {
+        #ifdef PWM_AUDIO
+            if (voices == 1) {
+                // SINE
+                OCR4A = pgm_read_byte(&sinewave[(uint16_t)place]) >> 2;
+            
+                // SQUARE
+                // if (((int)place) >= 1024){
+                //     OCR4A = 0xFF >> 2;
+                // } else {
+                //     OCR4A = 0x00;
+                // }
+                
+                // SAWTOOTH
+                // OCR4A = (int)place / 4;
+
+                // TRIANGLE
+                // if (((int)place) >= 1024) {
+                //     OCR4A = (int)place / 2;
+                // } else {
+                //     OCR4A = 2048 - (int)place / 2;
+                // }
+
+                place += frequency;
+
+                if (place >= SINE_LENGTH)
+                    place -= SINE_LENGTH;
+
+            } else {
+                int sum = 0;
+                for (int i = 0; i < voices; i++) {
+                    // SINE
+                    sum += pgm_read_byte(&sinewave[(uint16_t)places[i]]) >> 2;
+
+                    // SQUARE
+                    // if (((int)places[i]) >= 1024){
+                    //     sum += 0xFF >> 2;
+                    // } else {
+                    //     sum += 0x00;
+                    // }
+
+                    places[i] += frequencies[i];
+
+                    if (places[i] >= SINE_LENGTH)
+                        places[i] -= SINE_LENGTH;
+                }
+                OCR4A = sum;
+            }
+        #else
+            if (frequency > 0) {
+                // ICR3 = (int)(((double)F_CPU) / frequency); // Set max to the period
+                // OCR3A = (int)(((double)F_CPU) / frequency) >> 1; // Set compare to half the period
+                if (place > 10) {
+                    voice_place = (voice_place + 1) % voices;
+                    place = 0.0;
+                }
+                ICR3 = (int)(((double)F_CPU) / frequencies[voice_place]); // Set max to the period
+                OCR3A = (int)(((double)F_CPU) / frequencies[voice_place]) >> 1; // Set compare to half the period
+                place++;
+            }
+        #endif
+    }
+
+    // SAMPLE
+    // OCR4A = pgm_read_byte(&sample[(uint16_t)place_int]);
+
+    // place_int++;
+
+    // if (place_int >= sample_length)
+    //     if (repeat)
+    //         place_int -= sample_length;
+    //     else
+    //         TIMSK3 &= ~_BV(OCIE3A);
+
+
+    if (notes) {
+        #ifdef PWM_AUDIO
+            OCR4A = pgm_read_byte(&sinewave[(uint16_t)place]) >> 0;
+
+            place += note_frequency;
+            if (place >= SINE_LENGTH)
+                place -= SINE_LENGTH;
+        #else
+            if (note_frequency > 0) {
+                ICR3 = (int)(((double)F_CPU) / note_frequency); // Set max to the period
+                OCR3A = (int)(((double)F_CPU) / note_frequency) >> 1; // Set compare to half the period
+            }
+        #endif
+
+
+        note_position++;
+        if (note_position >= note_length) {
+            current_note++;
+            if (current_note >= notes_length) {
+                if (notes_repeat) {
+                    current_note = 0;
+                } else {
+                    #ifdef PWM_AUDIO
+                        TIMSK3 &= ~_BV(OCIE3A);
+                    #else
+                        TIMSK3 &= ~_BV(OCIE3A);
+                        TCCR3A &= ~_BV(COM3A1);
+                    #endif
+                    notes = false;
+                    return;
+                }
+            }
+            #ifdef PWM_AUDIO
+                note_frequency = (*notes_pointer)[current_note][0] / SAMPLE_RATE;
+                note_length = (*notes_pointer)[current_note][1];
+            #else
+                note_frequency = (*notes_pointer)[current_note][0];
+                note_length = (*notes_pointer)[current_note][1] / 4;
+            #endif
+            note_position = 0;
+        }
+
+    }
+
+}
+
+void play_notes(float (*np)[][2], uint8_t n_length, bool n_repeat) {
+    if (note)
+        stop_all_notes();
+    notes = true;
+
+    notes_pointer = np;
+    notes_length = n_length;
+    notes_repeat = n_repeat;
+
+    place = 0;
+    current_note = 0;
+    #ifdef PWM_AUDIO
+        note_frequency = (*notes_pointer)[current_note][0] / SAMPLE_RATE;
+        note_length = (*notes_pointer)[current_note][1];
+    #else
+        note_frequency = (*notes_pointer)[current_note][0];
+        note_length = (*notes_pointer)[current_note][1] / 4;
+    #endif
+    note_position = 0;
+
+
+    #ifdef PWM_AUDIO
+        TIMSK3 |= _BV(OCIE3A);
+    #else
+        TIMSK3 |= _BV(OCIE3A);
+        TCCR3A |= _BV(COM3A1);
+    #endif
+}
+
+void play_sample(uint8_t * s, uint16_t l, bool r) {
+    stop_all_notes();
+    place_int = 0;
+    sample = s;
+    sample_length = l;
+    repeat = r;
+
+    #ifdef PWM_AUDIO
+        TIMSK3 |= _BV(OCIE3A);
+    #else
+    #endif
+}
+
+void play_note(double freq, int vol) {
+    if (notes)
+        stop_all_notes();
+    note = true;
+    #ifdef PWM_AUDIO
+        freq = freq / SAMPLE_RATE;
+    #endif
+    if (freq > 0) {
+        if (frequency != 0) {
+            double starting_f = frequency;
+            if (frequency < freq) {
+                for (double f = starting_f; f <= freq; f += ((freq - starting_f) / 2000.0)) {   
+                    frequency = f;
+                }
+            } else if (frequency > freq) {
+                for (double f = starting_f; f >= freq; f -= ((starting_f - freq) / 2000.0)) {
+                    frequency = f;
+                }
+            }
+        }
+        frequency = freq;
+        volume = vol;
+
+        frequencies[voices] = frequency;
+        volumes[voices] = volume;
+        voices++;
+    }
+
+    #ifdef PWM_AUDIO
+        TIMSK3 |= _BV(OCIE3A);
+    #else
+        TIMSK3 |= _BV(OCIE3A);
+        TCCR3A |= _BV(COM3A1);
+    #endif
+
+}

quantum/beeps.h → quantum/audio.h

@@ -3,10 +3,9 @@
 #include <avr/io.h>
 #include <util/delay.h>
 
-void note(int x, float length);
-void beeps();
-void true_note(float x, float y, float length);
+void play_sample(uint8_t * s, uint16_t l, bool r);
 void play_note(double freq, int vol);
 void stop_note(double freq);
 void stop_all_notes();
-void init_notes();
+void init_notes();
+void play_notes(float (*np)[][2], uint8_t n_length, bool n_repeat);

quantum/beeps.c

@@ -1,246 +0,0 @@
-#include "beeps.h"
-#include <math.h>
-#include <avr/pgmspace.h>
-#include <avr/interrupt.h>
-#include <avr/io.h>
-
-#define PI 3.14159265
-
-void delay_us(int count) {
-  while(count--) {
-    _delay_us(1);
-  }
-}
-
-int voices = 0;
-double frequency = 0;
-int volume = 0;
-int position = 0;
-
-double frequencies[8] = {0, 0, 0, 0, 0, 0, 0, 0};
-int volumes[8] = {0, 0, 0, 0, 0, 0, 0, 0};
-bool sliding = false;
-#define RANGE 1000
-volatile int i=0; //elements of the wave
-
-
-void beeps() {
-    play_notes();
-}
-
-void send_freq(double freq, int vol) {
-    int duty = (((double)F_CPU) / freq);
-    ICR3 = duty; // Set max to the period
-    OCR3A = duty >> (0x10 - vol); // Set compare to half the period
-}
-
-void stop_all_notes() {
-    voices = 0;
-    TCCR3A = 0;
-    TCCR3B = 0;
-    frequency = 0;
-    volume = 0;
-
-    for (int i = 0; i < 8; i++) {
-        frequencies[i] = 0;
-        volumes[i] = 0;
-    }
-}
-
-void stop_note(double freq) {
-    for (int i = 7; i >= 0; i--) {
-        if (frequencies[i] == freq) {
-            frequencies[i] = 0;
-            volumes[i] = 0;
-            for (int j = i; (j < 7); j++) {
-                frequencies[j] = frequencies[j+1];
-                frequencies[j+1] = 0;
-                volumes[j] = volumes[j+1];
-                volumes[j+1] = 0;
-            }
-        }
-    }
-    voices--;
-    if (voices < 0)
-        voices = 0;
-    if (voices == 0) {
-        TCCR3A = 0;
-        TCCR3B = 0;
-        frequency = 0;
-        volume = 0;
-    } else {
-        double freq = frequencies[voices - 1];
-        int vol = volumes[voices - 1];
-        if (frequency < freq) {
-            sliding = true;
-            for (double f = frequency; f <= freq; f += ((freq - frequency) / 500.0)) {
-                send_freq(f, vol);
-            }
-            sliding = false;
-        } else if (frequency > freq) {
-            sliding = true;
-            for (double f = frequency; f >= freq; f -= ((frequency - freq) / 500.0)) {
-                send_freq(f, vol);
-            }
-            sliding = false;
-        }
-        send_freq(freq, vol);
-        frequency = freq;
-        volume = vol;
-    }
-}
-
-void init_notes() {
-    // TCCR1A = (1 << COM1A1) | (0 << COM1A0) | (1 << WGM11) | (1 << WGM10);
-    // TCCR1B = (1 << COM1B1) | (0 << COM1A0) | (1 << WGM13) | (1 << WGM12) | (0 << CS12) | (0 << CS11) | (1 << CS10);
-
-    // DDRC |= (1<<6); 
-
-    // TCCR3A = (1 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30);
-    // TCCR3B = (1 << WGM33) | (1 << WGM32) | (0 << CS32) | (0 << CS31) | (1 << CS30);
-
-    // ICR3 = 0xFFFF; 
-    // OCR3A = (int)((float)wave[i]*ICR3/RANGE); //go to next array element
-
-
-    // cli();
-
-    // /* Enable interrupt on timer2 == 127, with clk/8 prescaler. At 16MHz,
-    //    this gives a timer interrupt at 15625Hz. */
-    // TIMSK3 = (1 << OCIE3A);
-
-    // /* clear/reset timer on match */
-    // // TCCR3A = 1<<WGM31 | 0<<WGM30;  CTC mode, reset on match 
-    // // TCCR3B = 0<<CS32 | 1<<CS31 | 0<<CS30; /* clk, /8 prescaler */
-
-    // TCCR3A = (1 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30);
-    // TCCR3B = (0 << WGM33) | (0 << WGM32) | (0 << CS32) | (0 << CS31) | (1 << CS30);
-
-
-    // TCCR1A = (1 << COM1A1) | (0 << COM1A0) | (1 << WGM11) | (0 << WGM10);
-    // TCCR1B = (1 << WGM12) | (0 << CS12) | (0 << CS11) | (1 << CS10);
-    // // SPCR = 0x50;
-    // // SPSR = 0x01;
-    // DDRC |= (1<<6);
-    // // ICR3 = 0xFFFF; 
-    // // OCR3A=80;
-    // PORTC |= (1<<6);
-
-    // sei();
-}
-
-// #define highByte(c) ((c >> 8) & 0x00FF)
-// #define lowByte(c) (c & 0x00FF)
-
-ISR(TIMER3_COMPA_vect) {
-
-    if (ICR3 > 0 && !sliding) {
-        switch (position) {
-            case 0: {
-                int duty = (((double)F_CPU) / (frequency));
-                ICR3 = duty; // Set max to the period
-                OCR3A = duty >> 1; // Set compare to half the period
-                break;
-            }
-            case 1: {
-                int duty = (((double)F_CPU) / (frequency*2));
-                ICR3 = duty; // Set max to the period
-                OCR3A = duty >> 1; // Set compare to half the period
-                break;
-            }
-            case 2: {
-                int duty = (((double)F_CPU) / (frequency*3));
-                ICR3 = duty; // Set max to the period
-                OCR3A = duty >> 1; // Set compare to half the period
-                break;
-            }
-        }
-        position = (position + 1) % 3;
-    }
-//     /* OCR2A has been cleared, per TCCR2A above */
-//     // OCR3A = 127;
-
-//     // pos1 += incr1;
-//     // pos2 += incr2;
-//     // pos3 += incr3;
-
-//     // sample = sinewave[highByte(pos1)] + sinewave[highByte(pos2)] + sinewave[highByte(pos3)];
-
-//     // OCR3A = sample;
-
-
-//     OCR3A=pgm_read_byte(&sinewave[pos1]);
-//     pos1++;
-//     // PORTC &= ~(1<<6);
-
-//     /* buffered, 1x gain, active mode */
-//     // SPDR = highByte(sample) | 0x70;
-//     // while (!(SPSR & (1<<SPIF)));
-
-//     // SPDR = lowByte(sample);
-//     // while (!(SPSR & (1<<SPIF)));
-
-//     // PORTC |= (1<<6);
-}
-
-void play_note(double freq, int vol) {
-
-    if (freq > 0) {
-        DDRC |= (1<<6); 
-
-        TCCR3A = (1 << COM3A1) | (0 << COM3A0) | (1 << WGM31) | (0 << WGM30);
-        TCCR3B = (1 << WGM33) | (1 << WGM32) | (0 << CS32) | (1 << CS31) | (0 << CS30);
-
-        if (frequency != 0) {
-            if (frequency < freq) {
-                for (double f = frequency; f <= freq; f += ((freq - frequency) / 500.0)) {
-                    send_freq(f, vol);
-                }
-            } else if (frequency > freq) {
-                for (double f = frequency; f >= freq; f -= ((frequency - freq) / 500.0)) {
-                    send_freq(f, vol);
-                }
-            }
-        }
-        send_freq(freq, vol);
-        frequency = freq;
-        volume = vol;
-
-        frequencies[voices] = frequency;
-        volumes[voices] = volume;
-        voices++;
-    }
-    // ICR3 = 0xFFFF;
-    // for (int i = 0; i < 10000; i++) {
-    //     OCR3A = round((sin(i*freq)*.5)+.5)*0xFFFF;
-    //     // _delay_us(50);
-    // }
-
-    // TCCR3A = 0;
-    // TCCR3B = 0;
-}
-
-// void note(int x, float length) {
-//     DDRC |= (1<<6);
-// 	int t = (int)(440*pow(2,-x/12.0)); // starting note
-//     for (int y = 0; y < length*1000/t; y++) { // note length
-//         PORTC |= (1<<6);
-//         delay_us(t);
-//         PORTC &= ~(1<<6);
-//         delay_us(t);
-//     }
-// 	PORTC &= ~(1<<6);
-// }
-
-// void true_note(float x, float y, float length) {
-// 	for (uint32_t i = 0; i < length * 50; i++) {
-// 		uint32_t v = (uint32_t) (round(sin(PI*2*i*640000*pow(2, x/12.0))*.5+1 + sin(PI*2*i*640000*pow(2, y/12.0))*.5+1) / 2 * pow(2, 8)); 
-// 		for (int u = 0; u < 8; u++) {
-// 			if (v & (1 << u) && !(PORTC&(1<<6)))
-// 		        PORTC |= (1<<6);
-// 		    else if (PORTC&(1<<6))
-// 	        	PORTC &= ~(1<<6);
-// 		}
-// 	}
-// 	PORTC &= ~(1<<6);
-// }

quantum/keymap_midi.c

@@ -17,7 +17,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include "keymap_common.h"
 #include "keymap_midi.h"
-#include <lufa.h>
 
 uint8_t starting_note = 0x0C;
 int offset = 7;
@@ -35,7 +34,7 @@ void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
     if (record->event.key.col == (MATRIX_COLS - 1) && record->event.key.row == (MATRIX_ROWS - 1)) {
         if (record->event.pressed) {
             starting_note++;
-            play_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[0 + offset])/12.0+(MATRIX_ROWS - 1)), 0xC);
+            play_note(((double)261.626)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[0 + offset])/12.0+(MATRIX_ROWS - 1)), 0xC);
             midi_send_cc(&midi_device, 0, 0x7B, 0);
             midi_send_cc(&midi_device, 1, 0x7B, 0);
             midi_send_cc(&midi_device, 2, 0x7B, 0);
@@ -43,7 +42,7 @@ void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
             midi_send_cc(&midi_device, 4, 0x7B, 0);
             return;
         } else {
-            stop_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[0 + offset])/12.0+(MATRIX_ROWS - 1)));
+            stop_note(((double)261.626)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[0 + offset])/12.0+(MATRIX_ROWS - 1)));
             stop_all_notes();
             return;
         }
@@ -51,7 +50,7 @@ void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
     if (record->event.key.col == (MATRIX_COLS - 2) && record->event.key.row == (MATRIX_ROWS - 1)) {
         if (record->event.pressed) {
             starting_note--;
-            play_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[0 + offset])/12.0+(MATRIX_ROWS - 1)), 0xC);
+            play_note(((double)261.626)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[0 + offset])/12.0+(MATRIX_ROWS - 1)), 0xC);
             midi_send_cc(&midi_device, 0, 0x7B, 0);
             midi_send_cc(&midi_device, 1, 0x7B, 0);
             midi_send_cc(&midi_device, 2, 0x7B, 0);
@@ -59,7 +58,7 @@ void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
             midi_send_cc(&midi_device, 4, 0x7B, 0);
             return;
         } else {
-            stop_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[0 + offset])/12.0+(MATRIX_ROWS - 1)));
+            stop_note(((double)261.626)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[0 + offset])/12.0+(MATRIX_ROWS - 1)));
             stop_all_notes();
             return;
         }
@@ -74,9 +73,9 @@ void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
         midi_send_cc(&midi_device, 4, 0x7B, 0);
         stop_all_notes();
         for (int i = 0; i <= 7; i++) {
-            play_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[i + offset])/12.0+(MATRIX_ROWS - 1)), 0xC);
+            play_note(((double)261.626)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[i + offset])/12.0+(MATRIX_ROWS - 1)), 0xC);
             _delay_us(80000);
-            stop_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[i + offset])/12.0+(MATRIX_ROWS - 1)));
+            stop_note(((double)261.626)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[i + offset])/12.0+(MATRIX_ROWS - 1)));
             _delay_us(8000);
         }
         return;
@@ -90,9 +89,9 @@ void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
         midi_send_cc(&midi_device, 4, 0x7B, 0);
         stop_all_notes();
         for (int i = 0; i <= 7; i++) {
-            play_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[i + offset])/12.0+(MATRIX_ROWS - 1)), 0xC);
+            play_note(((double)261.626)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[i + offset])/12.0+(MATRIX_ROWS - 1)), 0xC);
             _delay_us(80000);
-            stop_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[i + offset])/12.0+(MATRIX_ROWS - 1)));
+            stop_note(((double)261.626)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[i + offset])/12.0+(MATRIX_ROWS - 1)));
             _delay_us(8000);
         }
         return;
@@ -101,10 +100,10 @@ void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
     if (record->event.pressed) {
     	// midi_send_noteon(&midi_device, record->event.key.row, starting_note + SCALE[record->event.key.col], 127);
         midi_send_noteon(&midi_device, 0, (starting_note + SCALE[record->event.key.col + offset])+12*(MATRIX_ROWS - record->event.key.row), 127);
-        play_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[record->event.key.col + offset])/12.0+(MATRIX_ROWS - record->event.key.row)), 0xF);
+        play_note(((double)261.626)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[record->event.key.col + offset])/12.0+(MATRIX_ROWS - record->event.key.row)), 0xF);
     } else {
         // midi_send_noteoff(&midi_device, record->event.key.row, starting_note + SCALE[record->event.key.col], 127);
         midi_send_noteoff(&midi_device, 0, (starting_note + SCALE[record->event.key.col + offset])+12*(MATRIX_ROWS - record->event.key.row), 127);
-        stop_note(((double)261.6)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[record->event.key.col + offset])/12.0+(MATRIX_ROWS - record->event.key.row)));
+        stop_note(((double)261.626)*pow(2.0, -1.0)*pow(2.0,(starting_note + SCALE[record->event.key.col + offset])/12.0+(MATRIX_ROWS - record->event.key.row)));
     }
 }

quantum/keymap_midi.h

@@ -18,6 +18,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #ifndef KEYMAP_MIDI_H
 #define KEYMAP_MIDI_H
 
+#include <lufa.h>
+
 #define MIDI 0x6000
 #define MIDI12 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000, 0x6000
 

quantum/keymap_unicode.c

@@ -30,6 +30,8 @@ uint16_t hextokeycode(int hex) {
 void action_function(keyrecord_t *record, uint8_t id, uint8_t opt)
 {
 
+    // For more info on how this works per OS, see here: https://en.wikipedia.org/wiki/Unicode_input#Hexadecimal_code_input
+
     if (record->event.pressed) {
         uint16_t unicode = (opt << 8) | id;
         register_code(KC_LALT);

quantum/quantum.mk

@@ -4,13 +4,31 @@ QUANTUM_DIR = quantum
 SRC += $(QUANTUM_DIR)/keymap_common.c \
 	$(QUANTUM_DIR)/led.c 
 
+# ifdef KEYMAP_FILE
+# ifneq (,$(shell grep USING_MIDI '$(KEYMAP_FILE)'))
+# MIDI_ENABLE=yes
+# $(info  * Overriding MIDI_ENABLE setting - $(KEYMAP_FILE) requires it)
+# endif
+# ifneq (,$(shell grep USING_UNICODE '$(KEYMAP_FILE)'))
+# UNICODE_ENABLE=yes
+# $(info  * Overriding UNICODE_ENABLE setting - $(KEYMAP_FILE) requires it)
+# endif
+# ifneq (,$(shell grep USING_BACKLIGHT '$(KEYMAP_FILE)'))
+# BACKLIGHT_ENABLE=yes
+# $(info  * Overriding BACKLIGHT_ENABLE setting - $(KEYMAP_FILE) requires it)
+# endif
+# endif
+
 ifndef CUSTOM_MATRIX
 	SRC += $(QUANTUM_DIR)/matrix.c
 endif
 
 ifdef MIDI_ENABLE
-	SRC += $(QUANTUM_DIR)/keymap_midi.c \
-		   $(QUANTUM_DIR)/beeps.c
+	SRC += $(QUANTUM_DIR)/keymap_midi.c
+endif
+
+ifdef AUDIO_ENABLE
+	SRC += $(QUANTUM_DIR)/audio.c
 endif
 
 ifdef UNICODE_ENABLE

quantum/wave.h

@@ -0,0 +1,265 @@
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <avr/pgmspace.h>
+
+#define SINE_LENGTH 2048
+
+const uint8_t sinewave[] PROGMEM= //2048 values
+{
+0x80,0x80,0x80,0x81,0x81,0x81,0x82,0x82,
+0x83,0x83,0x83,0x84,0x84,0x85,0x85,0x85,
+0x86,0x86,0x87,0x87,0x87,0x88,0x88,0x88,
+0x89,0x89,0x8a,0x8a,0x8a,0x8b,0x8b,0x8c,
+0x8c,0x8c,0x8d,0x8d,0x8e,0x8e,0x8e,0x8f,
+0x8f,0x8f,0x90,0x90,0x91,0x91,0x91,0x92,
+0x92,0x93,0x93,0x93,0x94,0x94,0x95,0x95,
+0x95,0x96,0x96,0x96,0x97,0x97,0x98,0x98,
+0x98,0x99,0x99,0x9a,0x9a,0x9a,0x9b,0x9b,
+0x9b,0x9c,0x9c,0x9d,0x9d,0x9d,0x9e,0x9e,
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+0x46,0x47,0x47,0x47,0x48,0x48,0x48,0x49,
+0x49,0x49,0x4a,0x4a,0x4a,0x4b,0x4b,0x4b,
+0x4c,0x4c,0x4d,0x4d,0x4d,0x4e,0x4e,0x4e,
+0x4f,0x4f,0x4f,0x50,0x50,0x51,0x51,0x51,
+0x52,0x52,0x52,0x53,0x53,0x53,0x54,0x54,
+0x55,0x55,0x55,0x56,0x56,0x56,0x57,0x57,
+0x58,0x58,0x58,0x59,0x59,0x59,0x5a,0x5a,
+0x5a,0x5b,0x5b,0x5c,0x5c,0x5c,0x5d,0x5d,
+0x5d,0x5e,0x5e,0x5f,0x5f,0x5f,0x60,0x60,
+0x61,0x61,0x61,0x62,0x62,0x62,0x63,0x63,
+0x64,0x64,0x64,0x65,0x65,0x65,0x66,0x66,
+0x67,0x67,0x67,0x68,0x68,0x69,0x69,0x69,
+0x6a,0x6a,0x6a,0x6b,0x6b,0x6c,0x6c,0x6c,
+0x6d,0x6d,0x6e,0x6e,0x6e,0x6f,0x6f,0x70,
+0x70,0x70,0x71,0x71,0x71,0x72,0x72,0x73,
+0x73,0x73,0x74,0x74,0x75,0x75,0x75,0x76,
+0x76,0x77,0x77,0x77,0x78,0x78,0x78,0x79,
+0x79,0x7a,0x7a,0x7a,0x7b,0x7b,0x7c,0x7c,
+0x7c,0x7d,0x7d,0x7e,0x7e,0x7e,0x7f,0x7f
+};

tmk_core/common.mk

@@ -53,6 +53,9 @@ ifdef MIDI_ENABLE
     OPT_DEFS += -DMIDI_ENABLE
 endif
 
+ifdef AUDIO_ENABLE
+    OPT_DEFS += -DAUDIO_ENABLE
+endif
 
 ifdef USB_6KRO_ENABLE
     OPT_DEFS += -DUSB_6KRO_ENABLE

tmk_core/protocol/lufa/lufa.c

@@ -52,8 +52,8 @@
 #include "descriptor.h"
 #include "lufa.h"
 
-#ifdef MIDI_ENABLE
-    #include <beeps.h>
+#ifdef AUDIO_ENABLE
+    #include <audio.h>
 #endif
 
 #ifdef BLUETOOTH_ENABLE
@@ -946,6 +946,8 @@ int main(void)
 #ifdef MIDI_ENABLE
 void fallthrough_callback(MidiDevice * device,
     uint16_t cnt, uint8_t byte0, uint8_t byte1, uint8_t byte2){
+
+#ifdef AUDIO_ENABLE
   if (cnt == 3) {
     switch (byte0 & 0xF0) {
         case MIDI_NOTEON:
@@ -959,6 +961,7 @@ void fallthrough_callback(MidiDevice * device,
   if (byte0 == MIDI_STOP) {
     stop_all_notes();
   }
+#endif
 }
 
 void cc_callback(MidiDevice * device,