Creates a layouts/ folder for keymaps shared between keyboards (#1609)

* include variables and .h files as pp directives

* start layout compilation

* split ergodoxes up

* don't compile all layouts for everything

* might seg fault

* reset layouts variable

* actually reset layouts

* include rules.mk instead

* remove includes from rules.mk

* update variable setting

* load visualizer from path

* adds some more examples

* adds more layouts

* more boards added

* more boards added

* adds documentation for layouts

* use lowercase names for LAYOUT_

* add layout.json files for each layout

* add community folder, default keymaps for layouts

* touch-up default layouts

* touch-up layouts, some keyboard rules.mk

* update documentation for layouts

* fix up serial/i2c switches

2 files changed, 235 insertions, 0 deletions

diff --git a/layouts/community/ergodox/dvorak_emacs/keymap.c b/layouts/community/ergodox/dvorak_emacs/keymap.c
new file mode 100644
index 0000000000..fc83a1d66c
--- /dev/null
+++ b/layouts/community/ergodox/dvorak_emacs/keymap.c
@@ -0,0 +1,165 @@
+#include QMK_KEYBOARD_H
+#include "debug.h"
+#include "action_layer.h"
+
+/******************************************************************************************
+ * DVORAK LAYOUT (see http://djelibeibi.unex.es/dvorak/)
+ * Layer 1: auxiliary keys
+ * Layer 2: full qwerty layout
+ *****************************************************************************************/
+
+// LAYERS
+#define BASE    0 // dvorak layout (default)
+#define AUX     1 // auxiliary keys
+
+// MACROS
+/* #define OBRACE 0 // key { or shift */
+/* #define CBRACE 1 // key } or shift */
+/* #define OBRACK 2 // key [ or left alt */
+/* #define CBRACK 3 // key ] or left alt */
+/* #define CAPS   4 // caps lock */
+
+// LEDS
+#define USB_LED_NUM_LOCK    0
+#define USB_LED_CAPS_LOCK   1
+#define USB_LED_SCROLL_LOCK 2
+#define USB_LED_COMPOSE     3
+#define USB_LED_KANA        4
+
+// TIMERS
+#define KEY_TAP_FAST 85
+#define KEY_TAP_SLOW 95
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+/* Keymap 0: Base layer
+ * Keys with double values (like Esc/Ctrl) correspond to the 'tapped' key and the 'held' key, respectively
+ *
+  * ,--------------------------------------------------.           ,--------------------------------------------------.
+ * |        |   1  |   2  |   3  |   4  |   5  |  Esc |           |  Esc |   6  |   7  |   8  |   9  |   0  | = / +  |
+ * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
+ * |   ~    |" / ' |, / < |. / > |   P  |   Y  |   [  |           |   ]  |   F  |   G  |   C  |   H  |   L  | / / ?  |
+ * |--------+------+------+------+------+------|   {  |           |   }  |------+------+------+------+------+--------|
+ * |  Tab   |   A  |   O  |   E  |U/LSft| I/L1 |------|           |------|  D/L1|R/RSft|   T  |   N  |   S  | - / _  |
+ * |--------+------+------+------+------+------| LGUI |           | LGUI |------+------+------+------+------+--------|
+ * | {/LSft |; / : |   Q  |   J  |   K  |   X  |      |           |      |   B  |   M  |   W  |   V  |   Z  | }/RSft |
+ * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
+ *   |      |      |      |      | ~L1  |                                       | ~L1  |      |      | \ / ||        |
+ *   `----------------------------------'                                       `----------------------------------'
+ *                                        ,-------------.       ,-------------.
+ *                                        | HOME |  END |       | LEFT | RIGHT|
+ *                                 ,------|------|------|       |------+--------+------.
+ *                                 | BSPC |  DEL | PGUP |       |  UP  | SPACE  |RETURN|
+ *                                 |  /   |  /   |------|       |------|   /    |  /   |
+ *                                 | LCTL | LALT |PGDWN |       | DOWN | LALT   | LCTL |
+ *                                 `--------------------'       `----------------------'
+ *
+ */
+[BASE] = LAYOUT_ergodox(
+        // left hand
+        KC_NO,          KC_1,     KC_2,   KC_3,   KC_4,          KC_5,           KC_ESC,
+        KC_TILD,        KC_QUOTE, KC_COMM,KC_DOT, KC_P,          KC_Y,           KC_LBRACKET,
+        KC_TAB,         KC_A,     KC_O,   KC_E,   SFT_T(KC_U),   LT(AUX, KC_I),
+        SFT_T(KC_LBRC), KC_SCLN,  KC_Q,   KC_J,   KC_K,          KC_X,           KC_LGUI,
+        KC_NO,          KC_NO,    KC_NO,  KC_NO,  MO(AUX),
+                                                           KC_HOME, KC_END,
+                                                                    KC_PGUP,
+                                      CTL_T(KC_BSPC), ALT_T(KC_DEL), KC_PGDN,
+        // right hand
+                    KC_ESC,          KC_6,           KC_7,         KC_8,   KC_9,   KC_0,   KC_EQL,
+                    KC_RBRACKET,     KC_F,           KC_G,         KC_C,   KC_R,   KC_L,   KC_SLASH,
+                                     LT(AUX, KC_D),  SFT_T(KC_H),  KC_T,   KC_N,   KC_S,   KC_MINUS,
+                    KC_LGUI,         KC_B,           KC_M,         KC_W,   KC_V,   KC_Z,   SFT_T(KC_RBRC),
+                                                                 MO(AUX), KC_NO,   KC_NO,  KC_BSLASH, KC_NO,
+        KC_LEFT, KC_RIGHT,
+        KC_UP,
+        KC_DOWN, ALT_T(KC_ENT), CTL_T(KC_SPC)
+    ),
+/* Keymap 1: Aux layer
+ *
+ * ,--------------------------------------------------.           ,--------------------------------------------------.
+ * |  VolUp |      |      |      |      |      | SLEEP            | PWR  |      |      |      |      |      |        |
+ * |--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
+ * |  VolDn |  F1  |  F2  |  F3  |  F4  |      |      |           |      |      |   7  |   8  |   9  |   *  |        |
+ * |--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+ * |        |  F5  |  F6  |  F7  |  F8  | TRANS|------|           |------|TRANS |   4  |   5  |   6  |   +  |        |
+ * |--------+------+------+------+------+------|      |           |PSCR  |------+------+------+------+------+--------|
+ * |  TRANS |  F9  |  F10 |  F11 |  F12 |      |      |           |      |      |   1  |   2  |   3  |   /  |  TRANS |
+ * `--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
+ *   |CTRL-S|CTRL-Z|CTRL-X|CTRL-C| TRANS|                                       | TRANS|    . |   0  |   =  |      |
+ *   `----------------------------------'                                       `----------------------------------'
+ *                                        ,-------------.       ,-------------.
+ *                                        | TRANS| TRANS|       | TRANS| TRANS|
+ *                                 ,------|------|------|       |------+------+------.
+ *                                 |      |      | TRANS|       | TRANS|      |      |
+ *                                 |TRANS |TRANS |------|       |------| TRANS| TRANS|
+ *                                 |      |      | TRANS|       | TRANS|      |      |
+ *                                 `--------------------'       `--------------------'
+ */
+[AUX] = LAYOUT_ergodox(
+       // left hand
+       KC_VOLU, KC_NO, KC_NO,  KC_NO,  KC_NO,  KC_NO,   KC_SLEP,
+       KC_VOLD, KC_F1, KC_F2,  KC_F3,  KC_F4,  KC_NO,   KC_NO,
+       KC_NO  , KC_F5, KC_F6,  KC_F7,  KC_F8,  KC_TRNS,
+       KC_TRNS, KC_F9, KC_F10, KC_F11, KC_F12, KC_NO,   KC_NO,
+       LCTL(KC_S), LCTL(KC_Z), LCTL(KC_X), LCTL(KC_C), KC_TRNS,
+                                                            KC_TRNS  , KC_TRNS,
+                                                                     KC_TRNS,
+                                                KC_TRNS, KC_TRNS, KC_TRNS,
+       // right hand
+            KC_PWR,  KC_NO,   KC_NO,  KC_NO,  KC_NO,   KC_NO,   KC_NO,
+            KC_NO,   KC_NO,   KC_7,   KC_8,   KC_9,    KC_PAST, KC_NO,
+                     KC_TRNS, KC_4,   KC_5,   KC_6,    KC_PPLS, KC_NO,
+            KC_PSCR, KC_NO,   KC_1,   KC_2,   KC_3,    KC_PSLS, KC_TRNS,
+                              KC_TRNS,KC_DOT, KC_0,    KC_PEQL, KC_NO,
+       KC_TRNS  , KC_TRNS,
+       KC_TRNS,
+       KC_TRNS, KC_TRNS, KC_TRNS
+),
+};
+
+const uint16_t PROGMEM fn_actions[] = {
+    [1] = ACTION_LAYER_TAP_TOGGLE(AUX)                // FN1 - Momentary Layer 1 (Aux)
+};
+
+
+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) {
+        case 1:
+            ergodox_right_led_1_on();
+            break;
+        case 2:
+            ergodox_right_led_2_on();
+            break;
+        default:
+            // none
+            break;
+    }
+}
diff --git a/layouts/community/ergodox/dvorak_emacs/readme.md b/layouts/community/ergodox/dvorak_emacs/readme.md
new file mode 100644
index 0000000000..a3fc34afeb
--- /dev/null
+++ b/layouts/community/ergodox/dvorak_emacs/readme.md
@@ -0,0 +1,70 @@
+# Ergodox Dvorak Layout with emacs binding in mind
+ * Control & Alt key on the thumbs (activated if pressed with another key).
+ * In the same way, "U" and "R" are the shift modifier if pressed with another key.
+ * "I" and "D" set the layer 1 for the auxiliary keys if pressed with another key.
+ * Software layout set to english.
+
+## Keymap Layers
+ - L0: dvorak with some customizations (see layout below)
+ - L1: auxiliary keys (includes function keys, numpad...)
+
+
+### Keymap 0: Base layer
+Keys with double values (like U/LSft) correspond to the 'tapped' key and the 'held' key, respectively
+
+<pre><code>
+
+,--------------------------------------------------.           ,--------------------------------------------------.
+|        |   1  |   2  |   3  |   4  |   5  |  Esc |           |  Esc |   6  |   7  |   8  |   9  |   0  |   =    |
+|--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
+|   ~    |  '   |   ,  |   .  |   P  |   Y  |   [  |           |   ]  |   F  |   G  |   C  |   H  |   L  |   /    |
+|--------+------+------+------+------+------|   {  |           |   }  |------+------+------+------+------+--------|
+|  Tab   |   A  |   O  |   E  |U/LSft| I/L1 |------|           |------|  D/L1|R/RSft|   T  |   N  |   S  |   -    |
+|--------+------+------+------+------+------| LGUI |           | LGUI |------+------+------+------+------+--------|
+| {/LSft |   ;  |   Q  |   J  |   K  |   X  |      |           |      |   B  |   M  |   W  |   V  |   Z  | }/RSft |
+`--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
+  |      |      |      |      | ~L1  |                                       | ~L1  |      |      |   \  |      |
+  `----------------------------------'                                       `----------------------------------'
+                                       ,-------------.       ,-------------.
+                                       | HOME |  END |       | LEFT | RIGHT|
+                                ,------|------|------|       |------+--------+------.
+                                | BSPC |  DEL | PGUP |       |  UP  | SPACE  |RETURN|
+                                |  /   |  /   |------|       |------|   /    |  /   |
+                                | LCTL | LALT |PGDWN |       | DOWN | LALT   | LCTL |
+                                `--------------------'       `----------------------'
+
+</pre></code>
+
+### Keymap 1: Aux layer
+
+<pre><code>
+
+,--------------------------------------------------.           ,--------------------------------------------------.
+|  VolUp |      |      |      |      |      | SLEEP            | PWR  |      |      |      |      |      |        |
+|--------+------+------+------+------+-------------|           |------+------+------+------+------+------+--------|
+|  VolDn |  F1  |  F2  |  F3  |  F4  |      |      |           |      |      |   7  |   8  |   9  |   *  |        |
+|--------+------+------+------+------+------|      |           |      |------+------+------+------+------+--------|
+|        |  F5  |  F6  |  F7  |  F8  | TRANS|------|           |------|TRANS |   4  |   5  |   6  |   +  |        |
+|--------+------+------+------+------+------|      |           |PSCR  |------+------+------+------+------+--------|
+|  TRANS |  F9  |  F10 |  F11 |  F12 |      |      |           |      |      |   1  |   2  |   3  |   /  |  TRANS |
+`--------+------+------+------+------+-------------'           `-------------+------+------+------+------+--------'
+  |CTRL-S|CTRL-Z|CTRL-X|CTRL-C| TRANS|                                       | TRANS|    . |   0  |   =  |      |
+  `----------------------------------'                                       `----------------------------------'
+                                       ,-------------.       ,-------------.
+                                       | TRANS| TRANS|       | TRANS| TRANS|
+                                ,------|------|------|       |------+------+------.
+                                |      |      | TRANS|       | TRANS|      |      |
+                                |TRANS |TRANS |------|       |------| TRANS| TRANS|
+                                |      |      | TRANS|       | TRANS|      |      |
+                                `--------------------'       `--------------------'
+
+</pre></code>
+
+
+
+## Generation of .hex file
+> In the "qmk_firmware/keyboards/ergodox" directory.
+
+> Execute "make dvorak_emacs". Then the hex file "ergodox_ez_dvorak_emacs.hex" is in the root directory : "qmk_firmware".
+
+> Flash with `teensy_loader` binary