qmk_firmware/keyboards/checkerboards/g_idb60/config.h

 /*
Copyright 2021 Nathan Spears

 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

#include "config_common.h"

/* key matrix size */
#define MATRIX_ROWS 5
#define MATRIX_COLS 14

/* key matrix pins */
#define MATRIX_ROW_PINS { D6, D7, B4, B5, F7 }
#define MATRIX_COL_PINS { B6, C6, C7, D4, F6, F0, B0, F1, F4, F5, D1, D0, D3, D5 }
#define UNUSED_PINS

/* COL2ROW or ROW2COL */
#define DIODE_DIRECTION COL2ROW

/* Set 0 if debouncing isn't needed */
#define DEBOUNCE 5

/* Mechanical locking support. Use KC_LCAP, KC_LNUM or KC_LSCR instead in keymap */
#define LOCKING_SUPPORT_ENABLE

/* Locking resynchronize hack */
#define LOCKING_RESYNC_ENABLE