qmk_firmware/keyboards/alf_x2/alf_x2.h

#ifndef ALF_X2_H
#define ALF_X2_H

#include "quantum.h"

// K404 and K408 are the microswitches at the top of the PCB

#define LAYOUT( \
	                        K404,                   K408,                                     \
	K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011, K012, K013, K014, \
	K100,       K102, K103, K104, K105, K106, K107, K108, K109, K110, K111, K112, K113, K114, \
	K200,       K202, K203, K204, K205, K206, K207, K208, K209, K210, K211, K212, K213,       \
	K300, K301, K302, K303, K304, K305, K306, K307, K308, K309, K310, K311, K312, K313, K314, \
	K400, K401,       K403,             K406,                   K410, K411, K412, K413, K414  \
) { \
	{ K000,  K001,  K002,  K003,  K004,  K005,  K006,  K007,  K008,  K009,  K010,  K011,  K012,  K013,  K014 },  \
	{ K100,  KC_NO, K102,  K103,  K104,  K105,  K106,  K107,  K108,  K109,  K110,  K111,  K112,  K113,  K114 },  \
	{ K200,  KC_NO, K202,  K203,  K204,  K205,  K206,  K207,  K208,  K209,  K210,  K211,  K212,  K213,  KC_NO }, \
	{ K300,  K301,  K302,  K303,  K304,  K305,  K306,  K307,  K308,  K309,  K310,  K311,  K312,  K313,  K314 },  \
	{ K400,  K401,  KC_NO, K403,  K404,  KC_NO, K406,  KC_NO, K408,  KC_NO, K410,  K411,  K412,  K413,  K414 }   \
}

#define LAYOUT_std_ansi( \
							K404,                   K408,                                     \
	K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011, K012,       K014, \
	K100,       K102, K103, K104, K105, K106, K107, K108, K109, K110, K111, K112, K113, K114, \
	K200,       K202, K203, K204, K205, K206, K207, K208, K209, K210, K211, K212, K213,       \
	K300,       K302, K303, K304, K305, K306, K307, K308, K309, K310, K311,       K313,       \
	K400, K401,       K403,             K406,                   K410, K411,       K413, K414  \
) { \
	{ K000,  K001,  K002,  K003,  K004,  K005,  K006,  K007,  K008,  K009,  K010,  K011,  K012,  KC_NO, K014 },  \
	{ K100,  KC_NO, K102,  K103,  K104,  K105,  K106,  K107,  K108,  K109,  K110,  K111,  K112,  K113,  K114 },  \
	{ K200,  KC_NO, K202,  K203,  K204,  K205,  K206,  K207,  K208,  K209,  K210,  K211,  K212,  K213,  KC_NO }, \
	{ K300,  KC_NO, K302,  K303,  K304,  K305,  K306,  K307,  K308,  K309,  K310,  K311,  KC_NO, K313,  KC_NO }, \
	{ K400,  K401,  KC_NO, K403,  K404,  KC_NO, K406,  KC_NO, K408,  KC_NO, K410,  K411,  KC_NO, K413,  K414 }   \
}

#define LAYOUT_std_splits( \
							K404,					K408,								      \
	K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011, K012, K013, K014, \
	K100,       K102, K103, K104, K105, K106, K107, K108, K109, K110, K111, K112, K113, K114, \
	K200,       K202, K203, K204, K205, K206, K207, K208, K209, K210, K211, K212, K213,       \
	K300, K301, K302, K303, K304, K305, K306, K307, K308, K309, K310, K311,       K313, K314, \
	K400, K401,       K403,             K406,                   K410, K411,       K413, K414  \
) { \
	{ K000,  K001,  K002,  K003,  K004,  K005,  K006,  K007,  K008,  K009,  K010,  K011,  K012,  K013,  K014 },  \
	{ K100,  KC_NO, K102,  K103,  K104,  K105,  K106,  K107,  K108,  K109,  K110,  K111,  K112,  K113,  K114 },  \
	{ K200,  KC_NO, K202,  K203,  K204,  K205,  K206,  K207,  K208,  K209,  K210,  K211,  K212,  K213,  KC_NO }, \
	{ K300,  K301,  K302,  K303,  K304,  K305,  K306,  K307,  K308,  K309,  K310,  K311,  KC_NO, K313,  K314 },  \
	{ K400,  K401,  KC_NO, K403,  K404,  KC_NO, K406,  KC_NO, K408,  KC_NO, K410,  K411,  KC_NO, K413,  K414 }   \
}

#define LAYOUT_hhkb( \
							K404,					K408,								      \
	K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011, K012, K013, K014, \
	K100,       K102, K103, K104, K105, K106, K107, K108, K109, K110, K111, K112, K113, K114, \
	K200,       K202, K203, K204, K205, K206, K207, K208, K209, K210, K211, K212, K213,       \
	K300,       K302, K303, K304, K305, K306, K307, K308, K309, K310, K311,       K313, K314, \
	      K401,       K403,             K406,                   K410, K411                    \
) { \
	{ K000,  K001,  K002,  K003,  K004,  K005,  K006,  K007,  K008,  K009,  K010,  K011,  K012,  K013,  K014 },  \
	{ K100,  KC_NO, K102,  K103,  K104,  K105,  K106,  K107,  K108,  K109,  K110,  K111,  K112,  K113,  K114 },  \
	{ K200,  KC_NO, K202,  K203,  K204,  K205,  K206,  K207,  K208,  K209,  K210,  K211,  K212,  K213,  KC_NO }, \
	{ K300,  KC_NO, K302,  K303,  K304,  K305,  K306,  K307,  K308,  K309,  K310,  K311,  KC_NO, K313,  K314 },  \
	{ KC_NO, K401,  KC_NO, K403,  K404,  KC_NO, K406,  KC_NO, K408,  KC_NO, K410,  K411,  KC_NO, KC_NO, KC_NO }  \
}

#define LAYOUT_2u_split_arrows( \
							K404,					K408,								      \
	K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011, K012, K013, K014, \
	K100,       K102, K103, K104, K105, K106, K107, K108, K109, K110, K111, K112, K113, K114, \
	K200,       K202, K203, K204, K205, K206, K207, K208, K209, K210, K211, K212, K213,       \
	K300, K301, K302, K303, K304, K305, K306, K307, K308, K309, K310, K311, K312, K313, K314, \
	K400, K401,       K403,             K406,                   K410, K411, K412, K413, K414  \
) { \
	{ K000,  K001,  K002,  K003,  K004,  K005,  K006,  K007,  K008,  K009,  K010,  K011,  K012, K013,  K014 },  \
	{ K100,  KC_NO, K102,  K103,  K104,  K105,  K106,  K107,  K108,  K109,  K110,  K111,  K112, K113,  K114 },  \
	{ K200,  KC_NO, K202,  K203,  K204,  K205,  K206,  K207,  K208,  K209,  K210,  K211,  K212, K213,  KC_NO }, \
	{ K300,  K301,  K302,  K303,  K304,  K305,  K306,  K307,  K308,  K309,  K310,  K311,  K312, K313,  K314 },  \
	{ K400,  K401,  KC_NO, K403,  K404,  KC_NO, K406,  KC_NO, K408,  KC_NO, K410,  K411,  K412, K413,  K414 }   \
}

#define LAYOUT_split_arrows( \
							K404,					K408,									  \
	K000, K001, K002, K003, K004, K005, K006, K007, K008, K009, K010, K011, K012, K013, K014, \
	K100,       K102, K103, K104, K105, K106, K107, K108, K109, K110, K111, K112, K113, K114, \
	K200,       K202, K203, K204, K205, K206, K207, K208, K209, K210, K211, K212, K213,       \
	K300, K301, K302, K303, K304, K305, K306, K307, K308, K309, K310, K311,       K313, K314, \
	K400, K401,       K403,             K406,                   K410, K411, K412, K413, K414  \
) { \
	{ K000,  K001,  K002,  K003,  K004,  K005,  K006,  K007,  K008,  K009,  K010,  K011,  K012,  K013,  K014 },  \
	{ K100,  KC_NO, K102,  K103,  K104,  K105,  K106,  K107,  K108,  K109,  K110,  K111,  K112,  K113,  K114 },  \
	{ K200,  KC_NO, K202,  K203,  K204,  K205,  K206,  K207,  K208,  K209,  K210,  K211,  K212,  K213,  KC_NO }, \
	{ K300,  K301,  K302,  K303,  K304,  K305,  K306,  K307,  K308,  K309,  K310,  K311,  KC_N), K313,  K314 },  \
	{ K400,  K401,  KC_NO, K403,  K404,  KC_NO, K406,  KC_NO, K408,  KC_NO, K410,  K411,  K412,  K413,  K414 }   \
}

#endif