Keyboard: add ergodash mini keyboard (#3901)

* add ergodash mini

add ergodash mini (4rows version)
fix keymap and readme

* fix

replace include guard
remove includes

* fix audio

3 files changed, 168 insertions, 0 deletions

diff --git a/keyboards/ergodash/mini/keymaps/default/config.h b/keyboards/ergodash/mini/keymaps/default/config.h
new file mode 100644
index 0000000000..a5a722fb2a
--- /dev/null
+++ b/keyboards/ergodash/mini/keymaps/default/config.h
@@ -0,0 +1,39 @@
+/*
+This is the c configuration file for the keymap
+
+Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 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/>.
+*/
+
+#pragma once
+
+/* Use I2C or Serial, not both */
+
+#define USE_SERIAL
+// #define USE_I2C
+
+/* Select hand configuration */
+
+#define MASTER_LEFT
+// #define MASTER_RIGHT
+// #define EE_HANDS
+
+#undef RGBLED_NUM
+#define RGBLIGHT_ANIMATIONS
+#define RGBLED_NUM 20
+#define RGBLIGHT_HUE_STEP 10
+#define RGBLIGHT_SAT_STEP 17
+#define RGBLIGHT_VAL_STEP 17
diff --git a/keyboards/ergodash/mini/keymaps/default/keymap.c b/keyboards/ergodash/mini/keymaps/default/keymap.c
new file mode 100644
index 0000000000..ecf1f723f7
--- /dev/null
+++ b/keyboards/ergodash/mini/keymaps/default/keymap.c
@@ -0,0 +1,129 @@
+#include QMK_KEYBOARD_H
+
+extern keymap_config_t keymap_config;
+
+#define _QWERTY 0
+#define _LOWER 1
+#define _RAISE 2
+#define _ADJUST 16
+
+enum custom_keycodes {
+  QWERTY = SAFE_RANGE,
+  LOWER,
+  RAISE,
+  ADJUST,
+};
+
+// Fillers to make layering more clear
+#define _______ KC_TRNS
+#define XXXXXXX KC_NO
+#define EISU LALT(KC_GRV)
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+
+  /* Qwerty
+   * ,----------------------------------------------------------------------------------------------------------------------.
+   * |  Esc |   Q  |   W  |   E  |   R  |   T  |   -  |                    |   =  |   Y  |   U  |   I  |   O  |   P  |  \   |
+   * |------+------+------+------+------+------+------+--------------------+------+------+------+------+------+------+------|
+   * | Tab  |   A  |   S  |   D  |   F  |   G  |   [  |                    |   ]  |   H  |   J  |   K  |   L  |   ;  |  "   |
+   * |------+------+------+------+------+------+---------------------------+------+------+------+------+------+------+------|
+   * | Shift|   Z  |   X  |   C  |   V  |   B  | Space|                    | Enter|   N  |   M  |   ,  |   .  |   /  | Shift|
+   * |-------------+------+------+------+------+------+------+------+------+------+------+------+------+------+-------------|
+   * | Ctrl |  GUI |  ALt | EISU |||||||| Lower| Space|Delete|||||||| Bksp | Enter| Raise|||||||| Left | Down |  Up  | Right|
+   * ,----------------------------------------------------------------------------------------------------------------------.
+   */
+  [_QWERTY] = LAYOUT( \
+    KC_ESC,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_MINS,                        KC_EQL , KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_BSLS, \
+    KC_TAB,  KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_LBRC,                        KC_RBRC, 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_SPC ,                        KC_ENT , KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT, \
+    KC_LCTL, KC_LGUI, KC_LALT, EISU,             LOWER,   KC_SPC , KC_DEL,        KC_BSPC,KC_ENT , RAISE,            KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT  \
+  ),
+
+  /* Lower
+   * ,----------------------------------------------------------------------------------------------------------------------.
+   * |   `  |   !  |   @  |   #  |   $  |   %  |   _  |                    |   +  |   ^  |   &  |   *  |   (  |   )  |  |   |
+   * |------+------+------+------+------+------+------+--------------------+------+------+------+------+------+------+------|
+   * |   ~  |   1  |   2  |   3  |   4  |   5  |   {  |                    |   }  | Left | Down |  Up  | Right|   :  |  "   |
+   * |------+------+------+------+------+------+---------------------------+------+------+------+------+------+------+------|
+   * | Shift|   6  |   7  |   8  |   9  |   0  | Space|                    | Enter|   N  |   M  |   <  |   >  |   ?  | Shift|
+   * |-------------+------+------+------+------+------+------+------+------+------+------+------+------+------+-------------|
+   * | Ctrl |  GUI |  ALt | EISU |||||||| Lower| Space|Delete|||||||| Bksp | Enter| Raise|||||||| Home |PageDn|PageUp|  End |
+   * ,----------------------------------------------------------------------------------------------------------------------.
+   */
+  [_LOWER] = LAYOUT(
+    KC_GRV , KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_UNDS,                        KC_PLUS, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_PIPE, \
+    KC_TILD, KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_LCBR,                        KC_RCBR, KC_LEFT, KC_DOWN, KC_UP  , KC_RGHT, KC_COLN, KC_DQT , \
+    KC_LSFT, KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_SPC ,                        KC_ENT , KC_N,    KC_M,    KC_LT,   KC_GT,   KC_QUES, KC_RSFT, \
+    KC_LCTL, KC_LGUI, KC_LALT, EISU,             LOWER,   KC_SPC , KC_DEL,        KC_BSPC,KC_ENT , RAISE,            KC_HOME, KC_PGDN, KC_PGUP, KC_END   \
+  ),
+
+  /* Raise
+  * ,----------------------------------------------------------------------------------------------------------------------.
+  * |   `  |   !  |   @  |   #  |   $  |   %  |   _  |                    |   +  |   ^  |   &  |   *  |   (  |   )  |  |   |
+  * |------+------+------+------+------+------+------+--------------------+------+------+------+------+------+------+------|
+  * |   ~  |   F1 |   F2 |   F3 |   F4 |   F5 |   {  |                    |   }  | Left | Down |  Up  | Right|   :  |  "   |
+  * |------+------+------+------+------+------+---------------------------+------+------+------+------+------+------+------|
+  * | Shift|   F6 |   F7 |   F8 |   F9 |  F10 | Space|                    | Enter|   N  |   M  |   <  |   >  |   ?  | Shift|
+  * |-------------+------+------+------+------+------+------+------+------+------+------+------+------+------+-------------|
+  * | Ctrl |  F11 |  F12 | EISU |||||||| Lower| Space|Delete|||||||| Bksp | Enter| Raise|||||||| Home |PageDn|PageUp|  End |
+  * ,----------------------------------------------------------------------------------------------------------------------.
+  */
+  [_RAISE] = LAYOUT(
+    KC_GRV , KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC, KC_UNDS,                        KC_PLUS, KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_PIPE, \
+    KC_TILD, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_LCBR,                        KC_RCBR, KC_LEFT, KC_DOWN, KC_UP  , KC_RGHT, KC_COLN, KC_DQT , \
+    KC_LSFT, KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_SPC ,                        KC_ENT , KC_N,    KC_M,    KC_LT,   KC_GT,   KC_QUES, KC_RSFT, \
+    KC_LCTL, KC_F11 , KC_F12,  EISU,             LOWER,   KC_SPC , KC_DEL,        KC_BSPC,KC_ENT , RAISE,            KC_HOME, KC_PGDN, KC_PGUP, KC_END   \
+    ),
+
+  /* Adjust
+   * ,----------------------------------------------------------------------------------------------------------------------.
+   * |      | Reset|RGB ON|  MODE|  HUE-|  HUE+|      |                    |      |  SAT-|  SAT+|  VAL-|  VAL+|      |      |
+   * |------+------+------+------+------+------+---------------------------+------+------+------+------+------+------+------|
+   * |      |      |      |      |      |      |      |                    |      |      |      |      |      |      |      |
+   * |------+------+------+------+------+------+---------------------------+------+------+------+------+------+------+------|
+   * |      |      |      |      |      |      |      |                    |      |      |      |      |      |      |      |
+   * |-------------+------+------+------+------+------+------+------+------+------+------+------+------+------+-------------|
+   * |      |      |      |      ||||||||      |      |      ||||||||      |      |      ||||||||      |      |      |      |
+   * ,----------------------------------------------------------------------------------------------------------------------.
+   */
+  [_ADJUST] = LAYOUT(
+    _______, RESET  , RGB_TOG, RGB_MOD, RGB_HUD, RGB_HUI,_______,                       _______, RGB_SAD, RGB_SAI, RGB_VAD, RGB_VAI, _______, _______, \
+    _______, _______, BL_TOGG, BL_BRTG, BL_INC , BL_DEC ,_______,                       _______, _______, _______, _______, _______, _______, _______, \
+    _______, _______, _______, _______, _______, _______,_______,                       _______, _______, _______, _______, _______, _______, _______, \
+    _______, _______, _______, _______,          _______,_______,_______,       _______,_______, _______,          _______, _______, _______, _______  \
+  )
+};
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  switch (keycode) {
+    case LOWER:
+      if (record->event.pressed) {
+        layer_on(_LOWER);
+        update_tri_layer(_LOWER, _RAISE, _ADJUST);
+      } else {
+        layer_off(_LOWER);
+        update_tri_layer(_LOWER, _RAISE, _ADJUST);
+      }
+      return false;
+      break;
+    case RAISE:
+      if (record->event.pressed) {
+        layer_on(_RAISE);
+        update_tri_layer(_LOWER, _RAISE, _ADJUST);
+      } else {
+        layer_off(_RAISE);
+        update_tri_layer(_LOWER, _RAISE, _ADJUST);
+      }
+      return false;
+      break;
+    case ADJUST:
+      if (record->event.pressed) {
+        layer_on(_ADJUST);
+      } else {
+        layer_off(_ADJUST);
+      }
+      return false;
+      break;
+  }
+  return true;
+}
diff --git a/keyboards/ergodash/mini/keymaps/default/rules.mk b/keyboards/ergodash/mini/keymaps/default/rules.mk
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/keyboards/ergodash/mini/keymaps/default/rules.mk