qmk_firmware/keyboards/handwired/mutepad/mutepad.h

// Copyright 2022 JoshwJB (@JoshwJB)
// SPDX-License-Identifier: GPL-2.0-or-later

#pragma once

#include "quantum.h"

/* This is a shortcut to help you visually see your layout.
 *
 * The first section contains all of the arguments representing the physical
 * layout of the board and position of the keys.
 *
 * The second converts the arguments into a two-dimensional array which
 * represents the switch matrix.
 */
#define LAYOUT(K00, K01, K02, K03) \
    {                              \
        { K00, K01, K02, K03 }     \
    }