qmk_firmware/keyboards/nyquist/keymaps/kim-kim/keymap.c

#include QMK_KEYBOARD_H

extern keymap_config_t keymap_config;

// Each layer gets a name for readability, which is then used in the keymap matrix below.
// The underscores don't mean anything - you can have a layer called STUFF or any other name.
// Layer names don't all need to be of the same length, obviously, and you can also skip them
// entirely and just use numbers.
#define _QW 0
#define _LW 1
#define _RS 2

// Fillers to make layering more clear
#define _______ KC_TRNS
#define XXXXXXX KC_NO

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

/* SPLIT QWERTY
 * .-----------------------------------------------------------------------------------------------------------.
 * | ESC    | 1      | 2      | 3      | 4      | 5      | 6      | 7      | 8      | 9      | 0      | `      |
 * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+-----------------|
 * | TAB    | Q      | W      | E      | R      | T      | Y      | U      | I      | O      | P      | BSPACE |
 * |--------+--------+--------+--------+--------+--------+--------+--------+--------+-----------------+--------|
 * | LCTRL  | A      | S      | D      | F      | G      | H      | J      | K      | L      | ;      | ENTER  |
 * |--------+--------+--------+--------+--------+--------+--------+--------+--------------------------+--------|
 * | LSHIFT | Z      | X      | C      | V      | B      | N      | M      | <      | >      | /      | RSHIFT |
 * |--------+--------+--------+--------+--------+-----------------+--------+-----------------+--------+--------|
 * | LALT   | RAISE  | RAISE  | LGUI   | SPACE  | SPACE  | SPACE  | SPACE  | RGUI   | LOWER  | LOWER  | RALT   |
 * '-----------------------------------------------------------------------------------------------------------'
 */
 [_QW] = LAYOUT(
  KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,   KC_7,    KC_8,    KC_9,    KC_0,    KC_GRV, \
  KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,   KC_U,    KC_I,    KC_O,    KC_P,    KC_BSPC, \
  KC_LCTL, KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,   KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT, \
  KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,   KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_ENT, \
  KC_LALT, MO(_RS), MO(_RS), KC_LGUI, KC_SPC,  KC_SPC,  KC_SPC, KC_SPC,  KC_RGUI, MO(_LW), MO(_LW), KC_RALT \
 ),

/* Lower
 * .-----------------------------------------------------------------------------------------------------------.
 * |        | F1     | F2     | F3     | F4     | F5     |        |        |        |        |        |        |
 * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
 * |        | PREV   | NEXT   | VOLUP  | RGBTOG | F11    |        |        |        |        |        |        |
 * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
 * |        | PLAY   | STOP   | VOLDWN | RGBMOD |        |        |        |        |        |        |        |
 * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
 * |        |        |        | MUTE   |        |        |        |        |        |        |        |        |
 * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
 * |        |        |        |        |        |        |        |        |        |        |        |        |
 * '-----------------------------------------------------------------------------------------------------------'
 */
[_LW] = LAYOUT( \
  _______, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   _______, _______, _______, _______, _______, _______, \
  _______, KC_MPRV, KC_MNXT, KC_VOLU, RGB_TOG, KC_F11,  _______, _______, _______, _______, _______, _______, \
  _______, KC_MPLY, KC_MSTP, KC_VOLD, RGB_MOD, _______, _______, _______, _______, _______, _______, _______, \
  _______, _______, _______, KC_MUTE, _______, _______, _______, _______, _______, _______, _______, _______, \
  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______ \
),

/* Raise
 * .-----------------------------------------------------------------------------------------------------------.
 * |        |        |        |        |        |        | F6     | F7     | F8     | F9     | F10    | DELETE |
 * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
 * |        |        |        |        |        |        | F12    | [      | ]      | -      | =      | \      |
 * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
 * |        |        |        |        |        |        | PRTSCR | LEFT   | DOWN   | UP     | RIGHT  |        |
 * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------|
 * |        |        |        |        |        |        |        | HOME   | PGDN   | PGUP   | END    |        |
 * |--------+--------+--------+--------+--------+-----------------+--------+--------+--------+--------+--------|
 * |        |        |        |        |        |        |        |        |        |        |        |        |
 * '-----------------------------------------------------------------------------------------------------------'
 */
[_RS] = LAYOUT( \
  _______, _______, _______, _______, _______, _______, KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_DEL, \
  _______, _______, _______, _______, _______, _______, KC_F12, KC_LBRC, KC_RBRC, KC_MINS, KC_EQL,  KC_BSLS, \
  _______, _______, _______, _______, _______, _______, KC_PSCR, KC_LEFT, KC_DOWN, KC_UP,   KC_RGHT, _______, \
  _______, _______, _______, _______, _______, _______, _______, KC_HOME, KC_PGDN, KC_PGUP, KC_END,  _______, \
  _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______ \
)


};