qmk-firmware/keyboards/yoichiro/lunakey_pico/keymaps/default/keymap.c

// Copyright 2022 Yoichiro Tanaka (@yoichiro)
// SPDX-License-Identifier: GPL-2.0-or-later

#include QMK_KEYBOARD_H

enum layer_number {
  _QWERTY = 0,
  _LOWER,
  _RAISE,
  _ADJUST,
};

#define LOWER MO(_LOWER)
#define RAISE MO(_RAISE)

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {

  [_QWERTY] = LAYOUT_split_3x6_4(
//+--------+--------+--------+--------+--------+--------+                 +--------+--------+--------+--------+--------+--------+
   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_LCTL, 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_RSFT,
//+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+
                              KC_LGUI, KC_LALT, LOWER,   KC_SPC,  KC_ENT,  RAISE,   KC_RALT, KC_RGUI
//+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+
  ),

  [_LOWER] = LAYOUT_split_3x6_4(
//+--------+--------+--------+--------+--------+--------+                 +--------+--------+--------+--------+--------+--------+
   KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,                      KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_BSPC,
//+--------+--------+--------+--------+--------+--------+                 +--------+--------+--------+--------+--------+--------+
   KC_LCTL, _______, _______, _______, _______, _______,                   KC_LEFT, KC_DOWN, KC_UP,   KC_RIGHT,_______, _______,
//+--------+--------+--------+--------+--------+--------+                 +--------+--------+--------+--------+--------+--------+
   KC_LSFT, _______, _______, _______, _______, _______,                   _______, _______, _______, _______, _______, _______,
//+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+
                              KC_LGUI, KC_LALT, LOWER,   KC_SPC,  KC_ENT,  RAISE,   KC_RALT, KC_RGUI
//+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+
  ),

  [_RAISE] = LAYOUT_split_3x6_4(
//+--------+--------+--------+--------+--------+--------+                 +--------+--------+--------+--------+--------+--------+
   KC_ESC,  KC_EXLM, KC_AT,   KC_HASH, KC_DLR,  KC_PERC,                   KC_CIRC, KC_AMPR, KC_ASTR, KC_LPRN, KC_RPRN, KC_BSPC,
//+--------+--------+--------+--------+--------+--------+                 +--------+--------+--------+--------+--------+--------+
   KC_LCTL, _______, _______, _______, _______, _______,                   KC_MINS, KC_EQL,  KC_LCBR, KC_RCBR, KC_PIPE, KC_GRV,
//+--------+--------+--------+--------+--------+--------+                 +--------+--------+--------+--------+--------+--------+
   KC_LSFT, KC_TILD, _______, _______, _______, _______,                   KC_UNDS, KC_PLUS, KC_LBRC, KC_RBRC, KC_BSLS, KC_TILD,
//+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+
                              KC_LGUI, KC_LALT, LOWER,   KC_SPC,  KC_ENT,  RAISE,   KC_RALT, KC_RGUI
//+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+
  ),

  [_ADJUST] = LAYOUT_split_3x6_4(
//+--------+--------+--------+--------+--------+--------+                 +--------+--------+--------+--------+--------+--------+
   QK_BOOT,   _______, _______, _______, _______, _______,                   KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,
//+--------+--------+--------+--------+--------+--------+                 +--------+--------+--------+--------+--------+--------+
   RGB_TOG, RGB_HUI, RGB_SAI, RGB_VAI, _______, _______,                   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,
//+--------+--------+--------+--------+--------+--------+                 +--------+--------+--------+--------+--------+--------+
   RGB_MOD, RGB_HUD, RGB_SAD, RGB_VAD, _______, _______,                   _______, _______, _______, _______, _______, _______,
//+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+
                              KC_LGUI, KC_LALT, LOWER,   KC_SPC,  KC_ENT,  RAISE,   KC_RALT, KC_RGUI
//+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+
  )
};

layer_state_t layer_state_set_user(layer_state_t state) {
  return update_tri_layer_state(state, _LOWER, _RAISE, _ADJUST);
}