qmk_firmware_custom/keyboard/atomic/keymaps/pc_atomic.c

#include "atomic.h"

#define _QW 0
#define _LW 1
#define _RS 2
#define _FN 3

#define _______ KC_TRNS
#define ___T___ KC_TRNS
#define XXXXXXX KC_NO

/*
 * .---------------------------------------------------------------------------------------------------------------------- 2u ------------.
 * | ESC    | 1      | 2      | 3      | 4      | 5      | 6      | 7      | 8      | 9      | 0      | -      | =      | XXXXXX . BACKSP |
 * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+-----------------|
 * | TAB    | Q      | W      | E      | R      | T      | Y      | U      | I      | O      | P      | [      | ]      | \      | DEL    |
 * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+- 2u ------------+--------|
 * | CAPS   | A      | S      | D      | F      | G      | H      | J      | K      | L      | ;      | '      | XXXXXX . ENTER  | PG UP  |
 * |--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+- 2u ---------------------+--------|
 * | LSHIFT | Z      | X      | C      | V      | B      | N      | M      | ,      | .      | /      | XXXXXX . RSHIFT | UP     | PG DN  |
 * |--------+--------+--------+--------+--------+- 2u ------------+--------+--------+--------+--------+-----------------+--------+--------|
 * | LCTRL  | LWIN   | FN     | LALT   | RAISED | XXXXXX . SPACE  | LOWER  | RALT   | HOME   | END    | RCTRL  | LEFT   | DOWN   | RIGHT  |
 * '--------------------------------------------------------------------------------------------------------------------------------------'
 */

const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 [_QW] = { /* QWERTY */
  { KC_ESC,  KC_1,    KC_2,    KC_3,    KC_4,    KC_5,    KC_6,    KC_7,    KC_8,    KC_9,    KC_0,    KC_MINS, KC_EQL,  KC_BSPC, XXXXXXX  },
  { KC_TAB,  KC_Q,    KC_W,    KC_E,    KC_R,    KC_T,    KC_Y,    KC_U,    KC_I,    KC_O,    KC_P,    KC_LBRC, KC_RBRC, KC_BSLS, KC_DEL   },
  { KC_CAPS, KC_A,    KC_S,    KC_D,    KC_F,    KC_G,    KC_H,    KC_J,    KC_K,    KC_L,    KC_SCLN, KC_QUOT, KC_ENT,  XXXXXXX, KC_PGUP  },
  { KC_LSFT, KC_Z,    KC_X,    KC_C,    KC_V,    KC_B,    KC_N,    KC_M,    KC_COMM, KC_DOT,  KC_SLSH, KC_RSFT, XXXXXXX, KC_UP,   KC_PGDN  },
  { KC_LCTL, KC_LGUI, MO(_FN), KC_LALT, MO(_RS), KC_SPC,  XXXXXXX, MO(_LW), KC_RALT, KC_HOME, KC_END,  KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT  },
 },
 [_LW] = { /* LOWERED */
  { KC_GRV,  KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  ___T___, ___T___  },
  { _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_INS   },
  { _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, ___T___, ___T___, _______  },
  { _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, ___T___, ___T___, _______, _______  },
  { _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______  },
 },
 [_RS] = { /* RAISED */
  { KC_TILD, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  ___T___, ___T___  },
  { _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, KC_INS   },
  { _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, ___T___, ___T___, _______  },
  { _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, ___T___, ___T___, _______, _______  },
  { _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______  },
 },
 [_FN] = { /* FUNCTION */
  { KC_NLCK, KC_F1,   KC_F2,   KC_F3,   KC_F4,   KC_F5,   KC_F6,   KC_F7,   KC_F8,   KC_F9,   KC_F10,  KC_F11,  KC_F12,  ___T___, ___T___  },
  { KC_SLCK, KC_F13,  KC_F14,  KC_F15,  KC_F16,  KC_F17,  KC_F18,  KC_F19,  KC_F20,  KC_F21,  KC_F22,  KC_F23,  KC_F24,  KC_PAUS, KC_PSCR  },
  { KC_CAPS, KC_BTN5, KC_BTN4, KC_BTN3, KC_BTN2, KC_ACL0, KC_ACL2, KC_MNXT, KC_VOLD, KC_VOLU, KC_MPLY, _______, ___T___, ___T___, KC_WH_U  },
  { _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, _______, ___T___, ___T___, KC_MS_U, KC_WH_D  },
  { _______, _______, _______, _______, _______, KC_BTN1, KC_BTN1, _______, _______, _______, _______, _______, KC_MS_L, KC_MS_D, KC_MS_R  },
 },
};

const uint16_t PROGMEM fn_actions[] = {
    [1] = ACTION_LAYER_MOMENTARY(2),  // to RAISE
    [2] = ACTION_LAYER_MOMENTARY(3),  // to LOWER

    [3] = ACTION_DEFAULT_LAYER_SET(0),
    [4] = ACTION_DEFAULT_LAYER_SET(1),

};

const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt) 
{
  // MACRODOWN only works in this function
    switch(id) {
      case 0:
        return MACRODOWN(TYPE(KC_T), END);
      break;
    } 
    return MACRO_NONE;
};