tmk_keyboard/keyboard/kwark/keymap_kwark.c

#include "keymap_common.h"
#include "protocol/serial.h"

const uint8_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {

KEYMAP(
  ESC,  Q,    W,    E,    R,    T,    Y,    U,    I,    O,    P,    BSPC,
  FN2,      A,    S,    D,    F,    G,    H,    J,    K,    L,      ENT,
  CAPS, LSFT,  Z,    X,    C,    V,    B,    N,    M,   COMM, DOT,  FN3,
  LCTL, LGUI, LALT,  FN1,          SPC,           FN0,  SCLN, QUOT, SLSH
),

KEYMAP(
  GRV,  1,    2,    3,    4,    5,    6,    7,    8,    9,    0,    DELETE,
  TRNS,     TRNS, TRNS, TRNS, TRNS, TRNS, MINS, EQL,  LBRC,   RBRC, BSLS,
  TRNS, TRNS,  F9,  F10, F11,  F12,  F13,  F14,  F15,  F16,   PGUP, TRNS,
  TRNS, TRNS, TRNS, TRNS,          TRNS,          TRNS, HOME, PGDN, END
),

KEYMAP(
  FN6,  FN7,  FN8,  FN9,  FN10, FN11, FN12, FN13, FN14, FN15, FN16, DELETE,
  TRNS,     TRNS, TRNS, TRNS, TRNS, TRNS,  FN17, FN18, FN19,  FN20, FN21,
  TRNS, TRNS,  F1,   F2,   F3,   F4,   F5,   F6,   F7,   F8,  PGUP, TRNS,
  TRNS, TRNS, TRNS, TRNS,          TRNS,          TRNS, HOME, PGDN, END
),

KEYMAP( /* Tab */
  ESC,  CALC, WHOM, MAIL, MYCM, TRNS, TRNS, TRNS, TRNS, TRNS, PSCR, TRNS,
  TRNS,     TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, TRNS,   TRNS,
  TRNS, TRNS,  FN4,  FN5,  TRNS, TRNS, TRNS, TRNS, TRNS, TRNS, UP,  TRNS,
  TRNS, TRNS, TRNS, TRNS,          TRNS,          TRNS, LEFT, DOWN, RGHT
),
};

enum function_id {
   GNAPLED_TOGGLE,
   GNAPLED_STEP_MODE,
};

const action_t PROGMEM fn_actions[] = {
    [0]  = ACTION_LAYER_MOMENTARY(1),
    [1]  = ACTION_LAYER_MOMENTARY(2),
    [2]  = ACTION_LAYER_TAP_KEY(3, KC_TAB),
    [3]  = ACTION_MODS_TAP_KEY(MOD_RSFT, KC_ENT),
    [4]  = ACTION_FUNCTION(GNAPLED_TOGGLE),
    [5]  = ACTION_FUNCTION(GNAPLED_STEP_MODE),
    [6]  = ACTION_MODS_KEY(MOD_LSFT, KC_GRV),
    [7]  = ACTION_MODS_KEY(MOD_LSFT, KC_1),
    [8]  = ACTION_MODS_KEY(MOD_LSFT, KC_2),
    [9]  = ACTION_MODS_KEY(MOD_LSFT, KC_3),
    [10] = ACTION_MODS_KEY(MOD_LSFT, KC_4),
    [11] = ACTION_MODS_KEY(MOD_LSFT, KC_5),
    [12] = ACTION_MODS_KEY(MOD_LSFT, KC_6),
    [13] = ACTION_MODS_KEY(MOD_LSFT, KC_7),
    [14] = ACTION_MODS_KEY(MOD_LSFT, KC_8),
    [15] = ACTION_MODS_KEY(MOD_LSFT, KC_9),
    [16] = ACTION_MODS_KEY(MOD_LSFT, KC_0),
    [17] = ACTION_MODS_KEY(MOD_LSFT, KC_MINS),
    [18] = ACTION_MODS_KEY(MOD_LSFT, KC_EQL),
    [19] = ACTION_MODS_KEY(MOD_LSFT, KC_LBRC),
    [20] = ACTION_MODS_KEY(MOD_LSFT, KC_RBRC),
    [21] = ACTION_MODS_KEY(MOD_LSFT, KC_BSLS),
};

void action_function(keyrecord_t *record, uint8_t id, uint8_t opt) {
  switch (id) {
    case GNAPLED_TOGGLE:
      if (record->event.pressed) {
        gnaplight_toggle();
      }
      break;
    case GNAPLED_STEP_MODE:
      if (record->event.pressed) {
        gnaplight_step();
      }
      break;
  }
}

//GNAP keymap functions
void gnaplight_step(void) {
    serial_send(101);
}

void gnaplight_toggle(void) {
    serial_send(100);
}