my-keymaps/keyboards/keyboardio/atreus/keymaps/ryuk-atreus/keymap.c

// Copyright (C) 2019, 2020  Keyboard.io, Inc
//
// this is the style you want to emulate.
// This is the canonical layout file for the Quantum project. If you want to add another keyboard,

#include QMK_KEYBOARD_H

enum layer_names {
    _QW,
    _RS,
    _LW,
};

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
    // clang-format off
  [_QW] = LAYOUT( /* Qwerty */
    KC_Q,    KC_W,            KC_F,            KC_P,            KC_G,                      KC_J,    KC_L,            KC_U,            KC_Y,            KC_SCLN ,
    KC_Z,    KC_X,            KC_C,            KC_V,            KC_B,    KC_GRV,  KC_BSLS, KC_K,    KC_M,            KC_COMM,         KC_DOT,          KC_SLSH ,
    KC_A,    LALT_T(KC_R),    LSFT_T(KC_S),    LCTL_T(KC_T),    KC_D,                      KC_H,    RCTL_T(KC_N),    RSFT_T(KC_E),    LALT_T(KC_I),    KC_O ,
   KC_ESC, KC_TAB,         KC_LGUI,          KC_LSFT,         KC_BSPC,  KC_LCTL, KC_LALT, KC_SPC,  MO(_RS),         KC_MINS,         KC_QUOT,         KC_ENT ),
  /*
   *  !       @     up     {    }        ||     pgup    7     8     9    *
   *  #     left   down  right  $        ||     pgdn    4     5     6    +
   *  [       ]      (     )    &        ||       `     1     2     3    \
   * lower  insert super shift bksp ctrl || alt space   fn    .     0    =
   */
  [_RS] = LAYOUT( /* [> RAISE <] */
    KC_EXLM, KC_AT,   KC_UP,   KC_DLR,  KC_PERC,                  KC_PGUP, KC_7,    KC_8,   KC_9, KC_BSPC,
    KC_LPRN, KC_LEFT, KC_DOWN, KC_RGHT, KC_RPRN,                  KC_PGDN, KC_4,    KC_5,   KC_6, KC_BSLS,
    KC_LBRC, KC_RBRC, KC_HASH, KC_LCBR, KC_RCBR, KC_CIRC, KC_AMPR,KC_ASTR, KC_1,    KC_2,   KC_3, KC_PLUS,
    TG(_LW), KC_INS,  KC_LGUI, KC_LSFT, KC_BSPC, KC_LCTL, KC_LALT,KC_SPC,  KC_TRNS, KC_DOT, KC_0, KC_EQL ),
  /*
   * insert home   up  end   pgup       ||      up     F7    F8    F9   F10
   *  del   left  down right pgdn       ||     down    F4    F5    F6   F11
   *       volup             reset      ||             F1    F2    F3   F12
   *       voldn  super shift bksp ctrl || alt space   L0  prtsc scroll pause
   */
  [_LW] = LAYOUT( /* [> LOWER <] */
    KC_INS,  KC_HOME, KC_UP,   KC_END,  KC_PGUP,                   KC_UP,   KC_F7,   KC_F8,   KC_F9,   KC_F10  ,
    KC_DEL,  KC_LEFT, KC_DOWN, KC_RGHT, KC_PGDN,                   KC_DOWN, KC_F4,   KC_F5,   KC_F6,   KC_F11  ,
    KC_NO,   KC_VOLU, KC_NO,   KC_NO,   QK_BOOT, _______, _______, KC_NO,   KC_F1,   KC_F2,   KC_F3,   KC_F12  ,
    KC_NO,   KC_VOLD, KC_LGUI, KC_LSFT, KC_BSPC, KC_LCTL, KC_LALT, KC_SPC,  TO(_QW), KC_PSCR, KC_SCRL, KC_PAUS )
    // clang-format on
};