qmk_firmware/keyboards/christmas_tree/keymaps/default/keymap.c

/* Copyright 2015-2017 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/>.
 */

#include "christmas_tree.h"

extern keymap_config_t keymap_config;

enum layers {
  _BASE,
  _FUNC
};

enum custom_keycodes {
  FUNC = SAFE_RANGE,
  BACKLIT
};

#define _______ KC_TRNS

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

/* Base
 *         ,------.
 *         |   1  |
 *     ,------+------.
 *     |   2  |   3  |
 * ,------+------+------.
 * |   4  | FUNC |   6  |
 * `--------------------'
 */
[_BASE] = KEYMAP(KC_1, KC_2, KC_3, KC_4, MO(_FUNC), KC_6),

/* Func
 *         ,------.
 *         |BCKLIT|
 *     ,------+------.
 *     |   8  |   9  |
 * ,------+------+------.
 * |   0  | FUNC | RESET|
 * `--------------------'
 */
[_FUNC] = KEYMAP(BACKLIT, KC_8, KC_9, KC_0, _______, RESET)


};

bool process_record_user(uint16_t keycode, keyrecord_t *record) {
  switch (keycode) {
    case BACKLIT:
      if (record->event.pressed) {
        register_code(KC_RSFT);
        #ifdef BACKLIGHT_ENABLE
		  register_code(KC_LSFT);
          backlight_step();
        #endif
      } else {
        unregister_code(KC_RSFT);
		unregister_code(KC_LSFT);
      }
      return false;
      break;
  }
  return true;
}