[Keymap] Personal keymap for Let's Split keyboard. (#7702)

* Add Initial layout configuration.

* Set arduino pro micro's built in RX LED as Numlock

* Enable Autoshift feautre.

* Remove DVORAK layout.

* Add Numpad, update default layer.

* Update AutoShift timeout.

* Beautify ASCII Art.

* Update keymap.

* Add Initial verison of RGB lighting.

* Add Tap dance, hungarian letters.

.Xmodmap example: https://github.com/geripgeri/dotfiles/commit/09f058753dd10e4ff8ab2aac7274b5600c466392

* Update RGB to use only noeeprom functions.

* Change default rgb led color.

* Add `pragma once`.

* Emojis added.

* Add tap dance for hungarian letters, multimedia control, slash/backslash.

* Remove audio related code.

* Add Gaming layer.

* Remove unnecessary code, update copyright.

* Add readme.md

* Implement code review suggestions.

* Implement code review suggestions #2

4 files changed, 413 insertions, 0 deletions

diff --git a/keyboards/lets_split/keymaps/geripgeri/config.h b/keyboards/lets_split/keymaps/geripgeri/config.h
new file mode 100644
index 000000000..6e71ea2b9
--- /dev/null
+++ b/keyboards/lets_split/keymaps/geripgeri/config.h
@@ -0,0 +1,37 @@
+/*
+This is the c configuration file for the keymap
+
+Copyright 2012 Jun Wako <wakojun@gmail.com>
+Copyright 2015 Jack Humbert
+Copyright 2019 Gergely Peidl
+
+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
+
+#define AUTO_SHIFT_TIMEOUT 200
+#define NO_AUTO_SHIFT_NUMERIC
+
+// RGB lighting
+#define RGBLIGHT_SLEEP
+#undef RGBLED_NUM
+#define RGBLED_NUM 32
+
+#define RGBLIGHT_EFFECT_BREATHING
+#define RGBLIGHT_EFFECT_RAINBOW_SWIRL
+#define RGBLIGHT_EFFECT_RAINBOW_MOOD
+#define RGBLIGHT_EFFECT_STATIC_GRADIENT
+
+#define TAPPING_TERM 200
diff --git a/keyboards/lets_split/keymaps/geripgeri/keymap.c b/keyboards/lets_split/keymaps/geripgeri/keymap.c
new file mode 100644
index 000000000..b268fb90c
--- /dev/null
+++ b/keyboards/lets_split/keymaps/geripgeri/keymap.c
@@ -0,0 +1,368 @@
+#include QMK_KEYBOARD_H
+
+enum layer_names {
+  _QWERTY,
+  _LOWER,
+  _RAISE,
+  _NUMPAD,
+  _GAMING,
+  _ADJUST
+};
+
+enum custom_keycodes {
+  NUMPAD = SAFE_RANGE,
+  SLIGHTLY,
+  SMILE,
+  JOY,
+  RELAXED,
+  HEART,
+  SAD,
+  CRY,
+  NETRURAL,
+  SCREAM,
+  THUMBSUP
+};
+
+enum td_extra_keys {
+  U,
+  O,
+  NEXTPREV,
+  SLASH
+};
+
+typedef struct {
+  bool is_press_action;
+  int state;
+} tap;
+
+enum {
+  SINGLE_TAP = 1,
+  SINGLE_HOLD = 2,
+  DOUBLE_TAP = 3,
+  DOUBLE_HOLD = 4,
+  DOUBLE_SINGLE_TAP = 5, //send two single taps
+  TRIPLE_TAP = 6,
+  TRIPLE_HOLD = 7
+};
+
+#define LOWER MO(_LOWER)
+#define RAISE MO(_RAISE)
+
+int cur_dance (qk_tap_dance_state_t *state);
+
+void u_finished (qk_tap_dance_state_t *state, void *user_data);
+void o_finished (qk_tap_dance_state_t *state, void *user_data);
+
+uint8_t rgb_mode = RGBLIGHT_MODE_BREATHING + 1;
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+/* Qwerty
+ * ,-----------------------------------------.                ,-----------------------------------------.
+ * | Tab  |   Q  |   W  |   E  |   R  |   T  |                |   Y  |   U  |   I  |   O  |   P  |  -   |
+ * |------+------+------+------+------+------|                |------+------+------+------+------+------|
+ * | Esc  |   A  |   S  |   D  |   F  |   G  |                |   H  |   J  |   K  |   L  |   ;  |  '   |
+ * |------+------+------+------+------+------|                |------+------+------+------+------+------|
+ * | Shift|   Z  |   X  |   C  |   V  |   B  |                |   N  |   M  |   ,  |   .  |   /  |Enter |
+ * |------+------+------+------+------+------|                |------+------+------+------+------+------|
+ * | Ctrl | ALT  |Numpad| GUI  |Lower | Space|                | Bksp |Raise | Left | Down |  Up  |Right |
+ * `-----------------------------------------'                `-----------------------------------------'
+ */
+[_QWERTY] = LAYOUT_ortho_4x12(
+   KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,         KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_MINUS,
+   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,  TD(SLASH), KC_ENT,
+   KC_LCTL, KC_LALT, MO(_NUMPAD),  KC_LGUI, LOWER, KC_SPC,    KC_BSPC, RAISE,   KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT
+),
+
+/* Lower
+ * ,-----------------------------------------.                ,-----------------------------------------.
+ * |   ~  |   !  |   @  |   #  |   $  |   %  |                |   ^  |   &  |   *  |   (  |   )  |  =   |
+ * |------+------+------+------+------+------|                |------+------+------+------+------+------|
+ * |  :)  |  :D  |  :'D |  :$  |  <3  |      |                | Home | Pgup |      |   {  |   }  |  |   |
+ * |------+------+------+------+------+------|                |------+------+------+------+------+------|
+ * |  :(  |  :'( |  :|  |  :O  |  +1  |      |                | End  |Pgdown|      |   [  |   ]  |PrntSc|
+ * |------+------+------+------+------+------|                |------+------+------+------+------+------|
+ * |      |      |      |      |      |Insert|                |  Del |      | Next | Vol- | Vol+ | Play |
+ * `-----------------------------------------'                `-----------------------------------------'
+ */
+[_LOWER] = LAYOUT_ortho_4x12(
+  KC_TILD, KC_EXLM, KC_AT, KC_HASH, KC_DLR, KC_PERC,          KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_EQL,
+  SLIGHTLY, SMILE, JOY, RELAXED, HEART, _______,              KC_HOME, KC_PGUP, _______, KC_LCBR, KC_RCBR, KC_PIPE,
+  SAD, CRY, NETRURAL, SCREAM, THUMBSUP, _______,              KC_END, KC_PGDOWN,_______, KC_LBRC, KC_RBRC, KC_PSCREEN,
+  _______, _______, _______, _______, _______, KC_INSERT,     KC_DEL, _______,  TD(NEXTPREV), KC_VOLD, KC_VOLU, KC_MPLY
+),
+
+/* Raise
+ * ,-----------------------------------------.                ,-----------------------------------------.
+ * |   `  |   1  |   2  |   3  |   4  |   5  |                |   6  |   7  |   8  |   9  |   0  |  Del |
+ * |------+------+------+------+------+------|                |------+------+------+------+------+------|
+ * |  F1  |  F2  |  F3  |  F4  |  F5  |  F6  |                |  F7  |  F8  |  F9  |  F10 |  F11 |  F12 |
+ * |------+------+------+------+------+------|                |------+------+------+------+------+------|
+ * |      |      |      |      |      |      |                |      |      |      |      |      |      |
+ * |------+------+------+------+------+------|                |------+------+------+------+------+------|
+ * |      |      |      |      |      |      |                |      |      |      |      |      |      |
+ * `-----------------------------------------'                `-----------------------------------------'
+ */
+[_RAISE] = LAYOUT_ortho_4x12(
+  KC_GRV,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,          KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_DEL,
+  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,         KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,
+  _______, _______, _______, _______, _______, _______,       _______, _______, _______, _______, _______, _______,
+  _______, _______, _______, _______, _______, _______,       _______, _______, _______, _______, _______, _______
+),
+
+/* Adjust (Lower + Raise)
+ * ,-----------------------------------------.                ,-----------------------------------------.
+ * | Reset|EEPRST|      |  EE  |      |      |                |      |  UE  |  IE  |  OE  |      |      |
+ * |------+------+------+------+------+------|                |------+------+------+------+------+------|
+ * |      |  AE  |      |      |      |      |                |      |      |      |      |      |      |
+ * |------+------+------+------+------+------|                |------+------+------+------+------+------|
+ * |      |      |      |      |      |      |                |      |      |      |      |      |      |
+ * |------+------+------+------+------+------|                |------+------+------+------+------+------|
+ * | TGLAS|      |      |      |      |      |                |      |      |      |      |      |GAMING|
+ * `-----------------------------------------'                `-----------------------------------------'
+ */
+[_ADJUST] =  LAYOUT_ortho_4x12(
+  RESET,   EEP_RST, _______, RALT(KC_SCLN), _______, _______,       _______, TD(U),  RALT(KC_Z),      TD(O),   _______, _______,
+  _______, RALT(KC_QUOT), _______, _______, _______, _______,       _______, _______, _______, _______, _______, _______,
+  _______, _______, _______, _______, _______, _______,       _______, _______, _______, _______, _______, _______,
+  KC_ASTG, _______, _______, _______, _______, _______,       _______, _______, _______, _______, _______, TG(_GAMING)
+),
+
+/* Numpad
+ * ,-----------------------------------------.               ,-----------------------------------------.
+ * |      |      |      |      |      |      |               |   7  |   8  |   9  |      |      |      |
+ * |------+------+------+------+------+------|               |------+------+------+------+------+------|
+ * |      |      |      |      |      |      |               |   4  |   5  |   6  |      |      |      |
+ * |------+------+------+------+------+------|               |------+------+------+------+------+------|
+ * |  VAI |  SAI |  HUI |      |      |      |               |   3  |   2  |   1  |      |      |      |
+ * |------+------+------+------+------+------|               |------+------+------+------+------+------|
+ * |      |      |      |      |RGBMOD|RGBTGL|               | Calc |   0  |   +  |      |      |      |
+ * `-----------------------------------------'               `-----------------------------------------'
+ */
+[_NUMPAD] = LAYOUT_ortho_4x12(
+  _______, _______, _______, _______, _______, _______,       KC_7,    KC_8,   KC_9,    _______, _______, _______,
+  _______, _______, _______, _______, _______, _______,       KC_4,    KC_5,   KC_6,    _______, _______, _______,
+  RGB_VAI, RGB_SAI, RGB_HUI, _______, _______, _______,       KC_1,    KC_2,   KC_3,    _______, _______, _______,
+  _______, _______, _______, _______, RGB_MOD, RGB_TOG,       KC_CALC, KC_0,   KC_PPLS, _______, _______, _______
+),
+
+/* Gaming
+ * ,-----------------------------------------.               ,-----------------------------------------.
+ * |      |      |      |      |      |      |               |      |      |      |      |      |      |
+ * |------+------+------+------+------+------|               |------+------+------+------+------+------|
+ * |      |      |      |      |      |      |               |      |      |      |      |      |      |
+ * |------+------+------+------+------+------|               |------+------+------+------+------+------|
+ * |      |      |      |      |      |      |               |      |      |      |      |      |      |
+ * |------+------+------+------+------+------|               |------+------+------+------+------+------|
+ * |      |      |      |      | RAISE|      |               |      | LOWER|      |      |      |      |
+ * `-----------------------------------------'               `-----------------------------------------'
+ */
+[_GAMING] = LAYOUT_ortho_4x12(
+  _______, _______, _______, _______, _______, _______,       _______, _______, _______, _______, _______, _______,
+  _______, _______, _______, _______, _______, _______,       _______, _______, _______, _______, _______, _______,
+  _______, _______, _______, _______, _______, _______,       _______, _______, _______, _______, _______, _______,
+  _______, _______, _______, _______, RAISE,   _______,       _______, LOWER,   _______, _______, _______, _______
+)};
+
+
+bool process_record_user(uint16_t keycode, keyrecord_t *record) {
+  switch(keycode) {
+    case RGB_VAI:
+      if(record->event.pressed) {
+        rgblight_increase_val_noeeprom();
+      }
+      break;
+    case RGB_VAD:
+      if(record->event.pressed) {
+        rgblight_decrease_val_noeeprom();
+      }
+      break;
+    case RGB_SAI:
+      if(record->event.pressed) {
+        rgblight_increase_sat_noeeprom();
+      }
+      break;
+    case RGB_SAD:
+      if(record->event.pressed) {
+        rgblight_decrease_sat_noeeprom();
+      }
+      break;
+    case RGB_HUI:
+      if(record->event.pressed) {
+        rgblight_increase_hue_noeeprom();
+      }
+      break;
+    case RGB_HUD:
+      if(record->event.pressed) {
+        rgblight_decrease_hue_noeeprom();
+      }
+      break;
+    case RGB_TOG:
+      if(record->event.pressed) {
+	rgblight_toggle_noeeprom();
+      }
+      break;
+    case RGB_MOD:
+      if(record->event.pressed) {
+        rgblight_step_noeeprom();
+	rgb_mode = rgblight_get_mode();
+      }
+      break;
+    case RGB_RMOD:
+      if(record->event.pressed) {
+        rgblight_step_reverse_noeeprom();
+	rgb_mode = rgblight_get_mode();
+      }
+      break;
+
+    case SLIGHTLY:
+      if(record->event.pressed) {
+	SEND_STRING(":slightly_smiling_face:");
+      }
+      break;
+    case SMILE:
+      if(record->event.pressed) {
+	SEND_STRING(":smile:");
+      }
+      break;
+    case JOY:
+      if(record->event.pressed) {
+	SEND_STRING(":joy:");
+      }
+      break;
+    case RELAXED:
+      if(record->event.pressed) {
+	SEND_STRING(":relaxed:");
+      }
+      break;
+    case HEART:
+      if(record->event.pressed) {
+	SEND_STRING(":heart:");
+      }
+      break;
+    case SAD:
+      if(record->event.pressed) {
+	SEND_STRING(":white_frowning_face:");
+      }
+      break;
+    case CRY:
+      if(record->event.pressed) {
+	SEND_STRING(":cry:");
+      }
+      break;
+    case NETRURAL:
+      if(record->event.pressed) {
+	SEND_STRING(":neutral_face:");
+      }
+      break;
+    case SCREAM:
+      if(record->event.pressed) {
+	SEND_STRING(":scream:");
+      }
+      break;
+    case THUMBSUP:
+      if(record->event.pressed) {
+	SEND_STRING(":+1:");
+      }
+      break;
+    default:
+      return true;
+  }
+  return false;
+}
+
+layer_state_t layer_state_set_user(layer_state_t state) {
+  state = update_tri_layer_state(state, _LOWER, _RAISE, _ADJUST);
+  writePin(B0, !(state & (1UL << (_NUMPAD))));
+
+  switch(biton32(state)) {
+    case _RAISE:
+      rgblight_setrgb_at(255, 255, 255, RGBLED_NUM / 2);
+      rgblight_mode_noeeprom(RGBLIGHT_MODE_STATIC_LIGHT);
+      break;
+    case _LOWER:
+      rgblight_setrgb_at(255, 255, 255, RGBLED_NUM / 2 - 1);
+      rgblight_mode_noeeprom(RGBLIGHT_MODE_STATIC_LIGHT);
+      break;
+    case _NUMPAD:
+      rgblight_setrgb_at(0,255,0, 0);
+      rgblight_mode_noeeprom(RGBLIGHT_MODE_STATIC_LIGHT);
+      break;
+    case _GAMING:
+      rgb_mode = RGBLIGHT_MODE_RAINBOW_SWIRL + 5;
+      autoshift_disable();
+      break;
+    default:
+      rgb_mode = RGBLIGHT_MODE_BREATHING + 1;
+      rgblight_mode_noeeprom(rgb_mode);
+      autoshift_enable();
+      break;
+  }
+  return state;
+}
+
+void led_set_user(uint8_t usb_led) {
+  rgblight_sethsv_noeeprom(0, 255, 255);
+  rgblight_mode_noeeprom(rgb_mode);
+}
+
+int cur_dance (qk_tap_dance_state_t *state) {
+  if (state->count == 1) {
+    if (state->interrupted || !state->pressed)  return SINGLE_TAP;
+    //key has not been interrupted, but they key is still held. Means you want to send a 'HOLD'.
+    else return SINGLE_HOLD;
+  }
+  else if (state->count == 2) {
+    /*
+     * DOUBLE_SINGLE_TAP is to distinguish between typing "pepper", and actually wanting a double tap
+     * action when hitting 'pp'. Suggested use case for this return value is when you want to send two
+     * keystrokes of the key, and not the 'double tap' action/macro.
+    */
+    if (state->interrupted) return DOUBLE_SINGLE_TAP;
+    else if (state->pressed) return DOUBLE_HOLD;
+    else return DOUBLE_TAP;
+  }
+  //Assumes no one is trying to type the same letter three times (at least not quickly).
+  //If your tap dance key is 'KC_W', and you want to type "www." quickly - then you will need to add
+  //an exception here to return a 'TRIPLE_SINGLE_TAP', and define that enum just like 'DOUBLE_SINGLE_TAP'
+  if (state->count == 3) {
+    if (state->interrupted || !state->pressed)  return TRIPLE_TAP;
+    else return TRIPLE_HOLD;
+  }
+  else return 8; //magic number. At some point this method will expand to work for more presses
+}
+
+static tap utap_state = {
+  .is_press_action = true,
+  .state = 0
+};
+
+static tap otap_state = {
+  .is_press_action = true,
+  .state = 0
+};
+
+void u_finished (qk_tap_dance_state_t *state, void *user_data) {
+  utap_state.state = cur_dance(state);
+  switch(utap_state.state) {
+    case SINGLE_TAP: SEND_STRING(SS_RALT("]")); break;
+    case DOUBLE_TAP: SEND_STRING(SS_RALT("-")); break;
+    case TRIPLE_TAP: SEND_STRING(SS_RALT("\\")); break;
+  }
+}
+
+void o_finished (qk_tap_dance_state_t *state, void *user_data) {
+  otap_state.state = cur_dance(state);
+  switch(otap_state.state) {
+    case SINGLE_TAP: SEND_STRING(SS_RALT("=")); break;
+    case DOUBLE_TAP: SEND_STRING(SS_RALT("0")); break;
+    case TRIPLE_TAP: SEND_STRING(SS_RALT("[")); break;
+  }
+}
+
+qk_tap_dance_action_t tap_dance_actions[] = {
+  [U] = ACTION_TAP_DANCE_FN(u_finished),
+  [O] = ACTION_TAP_DANCE_FN(o_finished),
+  [NEXTPREV] = ACTION_TAP_DANCE_DOUBLE(KC_MNXT, KC_MPRV),
+  [SLASH] = ACTION_TAP_DANCE_DOUBLE(KC_SLASH, KC_BSLS)
+ };
diff --git a/keyboards/lets_split/keymaps/geripgeri/readme.md b/keyboards/lets_split/keymaps/geripgeri/readme.md
new file mode 100644
index 000000000..09f1bedee
--- /dev/null
+++ b/keyboards/lets_split/keymaps/geripgeri/readme.md
@@ -0,0 +1,3 @@
+# Personal Layout
+
+[Layout](http://www.keyboard-layout-editor.com/#/gists/8eae83bfb830d847c94c7ff423bbdc84)
diff --git a/keyboards/lets_split/keymaps/geripgeri/rules.mk b/keyboards/lets_split/keymaps/geripgeri/rules.mk
new file mode 100644
index 000000000..5cefc0017
--- /dev/null
+++ b/keyboards/lets_split/keymaps/geripgeri/rules.mk
@@ -0,0 +1,5 @@
+AUTO_SHIFT_ENABLE = yes
+AUTO_SHIFT_MODIFIERS = no
+RGBLIGHT_ENABLE = yes
+TAP_DANCE_ENABLE = yes
+