C++ default_layer_set函数代码示例

void matrix_init_user(void) {
    // This keymap only has a single base layer, so reset the default if needed
    if(eeconfig_read_default_layer() > 1){
        eeconfig_update_default_layer(1);
        default_layer_set(1);
    }
}

static void switch_default_layer(uint8_t layer)
{
    print("switch_default_layer: "); print_dec(biton32(default_layer_state));
    print(" to "); print_dec(layer); print("\n");
    default_layer_set(1UL<<layer);
    clear_keyboard();
}

void persistent_default_layer_set(uint16_t default_layer) {
  eeconfig_update_default_layer(default_layer);
  default_layer_set(default_layer);
#ifdef RGBSPS_ENABLE
  led_set_default_layer_indicator();
#endif
}

void set_single_persistent_default_layer(uint8_t default_layer) {
  #ifdef AUDIO_ENABLE
    PLAY_SONG(default_layer_songs[default_layer]);
  #endif
  eeconfig_update_default_layer(1U<<default_layer);
  default_layer_set(1U<<default_layer);
}

void magic(void)
{
    /* check signature */
    if (!eeconfig_is_enabled()) {
        eeconfig_init();
    }

    /* debug enable */
    debug_config.raw = eeconfig_read_debug();

    /* keymap config */
    keymap_config.raw = eeconfig_read_keymap();

    uint8_t default_layer = 0;
    default_layer = eeconfig_read_default_layer();
    default_layer_set((uint32_t)default_layer);

}

// New keycode KC_LAYO rotates between available default layers (for e.g.,
// selecting a base layout). Shift+KC_LAYO makes the current one persistent.
bool process_record_layout(uint16_t keycode, keyrecord_t *record) {
  uint32_t default_layer;
  uint8_t i;
  #if defined(AUDIO_ENABLE)
  float saved_song[][2] = SONG(COIN_SOUND);
  #endif

  if (keycode != KC_LAYO || !record->event.pressed) {
    return true;
  }

  if (get_mods() & (MOD_BIT(KC_LSHIFT)|MOD_BIT(KC_RSHIFT))) { // shift pressed
    // save default layer. whatever the current default layer is, store that
    eeconfig_update_default_layer(default_layer_state);
    #if defined(AUDIO_ENABLE)
        PLAY_SONG(saved_song);
    #endif
  } else {
    // rotate default layer.
    // find the current default layer
    default_layer = biton32(default_layer_state);
    // find next valid default layer
    for (i = 1; i < defaultlayers_n; i++) {
      if (defaultlayers[(default_layer + i) % defaultlayers_n]) {
        break;
      }
    }
    if (i == defaultlayers_n) {
      // we fell out of the loop without finding another default layer to switch
      // to.
      return false;
    }
    default_layer = (default_layer + i) % defaultlayers_n;
    default_layer_set(1U<<default_layer);
    led_set(host_keyboard_leds());
    #if defined(AUDIO_ENABLE) && defined(DEFAULT_LAYER_SONGS)
      PLAY_SONG(default_layer_songs[default_layer]);
    #endif
  }
  return false;
}

void persistant_default_layer_set(uint16_t default_layer) {
  eeconfig_update_default_layer(default_layer);
  default_layer_set(default_layer);
}

//.........这里部分代码省略.........
        // interval
        { uint8_t ms = interval; while (ms--) wait_ms(1); }
    }
}

void send_string_with_delay_P(const char *str, uint8_t interval) {
    while (1) {
        char ascii_code = pgm_read_byte(str);
        if (!ascii_code) break;
        if (ascii_code == 1) {
          // tap
          uint8_t keycode = pgm_read_byte(++str);
          register_code(keycode);
          unregister_code(keycode);
        } else if (ascii_code == 2) {
          // down
          uint8_t keycode = pgm_read_byte(++str);
          register_code(keycode);
        } else if (ascii_code == 3) {
          // up
          uint8_t keycode = pgm_read_byte(++str);
          unregister_code(keycode);
        } else {
          send_char(ascii_code);
        }
        ++str;
        // interval
        { uint8_t ms = interval; while (ms--) wait_ms(1); }
    }
}

void send_char(char ascii_code) {
  uint8_t keycode;
  keycode = pgm_read_byte(&ascii_to_keycode_lut[(uint8_t)ascii_code]);
  if (pgm_read_byte(&ascii_to_shift_lut[(uint8_t)ascii_code])) {
      register_code(KC_LSFT);
      register_code(keycode);
      unregister_code(keycode);
      unregister_code(KC_LSFT);
  } else {
      register_code(keycode);
      unregister_code(keycode);
  }
}

void set_single_persistent_default_layer(uint8_t default_layer) {
  #if defined(AUDIO_ENABLE) && defined(DEFAULT_LAYER_SONGS)
    PLAY_SONG(default_layer_songs[default_layer]);
  #endif
  eeconfig_update_default_layer(1U<<default_layer);
  default_layer_set(1U<<default_layer);
}

uint32_t update_tri_layer_state(uint32_t state, uint8_t layer1, uint8_t layer2, uint8_t layer3) {
  uint32_t mask12 = (1UL << layer1) | (1UL << layer2);
  uint32_t mask3 = 1UL << layer3;
  return (state & mask12) == mask12 ? (state | mask3) : (state & ~mask3);
}

void update_tri_layer(uint8_t layer1, uint8_t layer2, uint8_t layer3) {
  layer_state_set(update_tri_layer_state(layer_state, layer1, layer2, layer3));
}

void tap_random_base64(void) {
  #if defined(__AVR_ATmega32U4__)
    uint8_t key = (TCNT0 + TCNT1 + TCNT3 + TCNT4) % 64;
  #else
    uint8_t key = rand() % 64;
  #endif
  switch (key) {
    case 0 ... 25:
      register_code(KC_LSFT);
      register_code(key + KC_A);
      unregister_code(key + KC_A);
      unregister_code(KC_LSFT);
      break;
    case 26 ... 51:
      register_code(key - 26 + KC_A);
      unregister_code(key - 26 + KC_A);
      break;
    case 52:
      register_code(KC_0);
      unregister_code(KC_0);
      break;
    case 53 ... 61:
      register_code(key - 53 + KC_1);
      unregister_code(key - 53 + KC_1);
      break;
    case 62:
      register_code(KC_LSFT);
      register_code(KC_EQL);
      unregister_code(KC_EQL);
      unregister_code(KC_LSFT);
      break;
    case 63:
      register_code(KC_SLSH);
      unregister_code(KC_SLSH);
      break;
  }
}

const macro_t *action_get_macro(keyrecord_t *record, uint8_t id, uint8_t opt)
{
  switch(id) {
    case M_ALT_HASH:
      return MACRO_TAP_SHFT_KEY_HOLD_MOD(record, 3, LALT);
    case M_GR_DASH:
      {
        const macro_t* macro = MACRO_TAP_HOLD_LAYER(record, MACRO(T(MINS)), _GR);
        update_tri_layer(_NUM, _GR, _ADJ);
        return macro;
      }
    case M_SYM_LPRN:
      return MACRO_TAP_SHFT_KEY_HOLD_LAYER(record, 9, _SYM);
    case M_NAV_UNDS:
      return MACRO_TAP_SHFT_KEY_HOLD_LAYER(record, MINS, _NAV);
    case M_NUM_RPRN:
      {
        const macro_t* macro = MACRO_TAP_SHFT_KEY_HOLD_LAYER(record, 0, _NUM);
        update_tri_layer(_NUM, _GR, _ADJ);
        return macro;
      }
    case M_CTRL_DLR:
      return MACRO_TAP_SHFT_KEY_HOLD_MOD(record, 4, LCTL);
    case M_LCBR_ENT:
      return MACRODOWN(I(10), D(LSFT), T(LBRC), U(LSFT), T(ENT), END);
    case M_PLOVER:
      if (record->event.pressed) {
        layer_and(0);
        layer_on(_PLOVER);
        default_layer_set(_PLOVER);
        
        // Starts plover
        return MACRO(I(10), D(E), D(R), D(F), D(V), D(I), D(K), U(E), U(R), U(F), U(V), U(I), U(K), END);
      }
      break;    
    case M_EXT_PLV:
      if (!record->event.pressed) {
        layer_off(_PLOVER);
        default_layer_set(_COLEMAK);
        
        //Pauses plover
        return MACRO(I(10), D(E), D(R), D(F), D(V), D(Y), D(U), U(E), U(R), U(F), U(V), U(Y), U(U), END);
      }
      break;
    case M_WINDOWS:
      set_unicode_input_mode(UC_WIN);
      break;
    case M_LINUX:
      set_unicode_input_mode(UC_LNX);
      break;
    case M_OSX:
      set_unicode_input_mode(UC_OSX);
      break;
    case M_FUNCTION:
      if (record->event.pressed) {
        SEND_STRING("function");
      }
      break;
    case M_THEN:
      if (record->event.pressed) {
        SEND_STRING("then");
      }
      break;
    case M_CATCH:
      if (record->event.pressed) {
        SEND_STRING("catch");
      }
      break;
  }
  return MACRO_NONE;
};

static void switch_default_layer(uint8_t layer)
{
    xprintf("L%d\n", layer);
    default_layer_set(1UL<<layer);
    clear_keyboard();
}

void action_function(keyrecord_t *event, uint8_t id, uint8_t opt)
{
#ifdef AUDIO_ENABLE
    int8_t sign = 1;
#endif
    if(id == LFK_ESC_TILDE){
        // Send ~ on shift-esc
        void (*method)(uint8_t) = (event->event.pressed) ? &add_key : &del_key;
        uint8_t shifted = get_mods() & (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT));
        if(layer_state == 0){
            method(shifted ? KC_GRAVE : KC_ESCAPE);
        }else{
            method(shifted ? KC_ESCAPE : KC_GRAVE);
        }
        send_keyboard_report();
    }else if(event->event.pressed){
        switch(id){
            case LFK_SET_DEFAULT_LAYER:
                // set/save the current base layer to eeprom, falls through to LFK_CLEAR
                eeconfig_update_default_layer(1UL << opt);
                default_layer_set(1UL << opt);
            case LFK_CLEAR:
                // Go back to default layer
                layer_clear();
                break;
#ifdef ISSI_ENABLE
            case LFK_LED_TEST:
                led_test();
                break;
#endif
#ifdef AUDIO_ENABLE
            case LFK_CLICK_FREQ_LOWER:
                sign = -1;  // continue to next statement
            case LFK_CLICK_FREQ_HIGHER:
                click_hz += sign * 100;
                click(click_hz, click_time);
                break;
            case LFK_CLICK_TOGGLE:
                if(click_toggle){
                    click_toggle = 0;
                    click(4000, 100);
                    click(1000, 100);
                }else{
                    click_toggle = 1;
                    click(1000, 100);
                    click(4000, 100);
                }
                break;
            case LFK_CLICK_TIME_SHORTER:
                sign = -1;  // continue to next statement
            case LFK_CLICK_TIME_LONGER:
                click_time += sign;
                click(click_hz, click_time);
                break;
#endif
            case LFK_DEBUG_SETTINGS:
                dprintf("Click:\n");
                dprintf("  toggle: %d\n", click_toggle);
                dprintf("  freq(hz): %d\n", click_hz);
                dprintf("  duration(ms): %d\n", click_time);
                break;
        }
    }
}

void bootmagic(void)
{
    /* check signature */
    if (!eeconfig_is_enabled()) {
        eeconfig_init();
    }

    /* do scans in case of bounce */
    print("bootmagic scan: ... ");
    uint8_t scan = 100;
    while (scan--) { matrix_scan(); wait_ms(10); }
    print("done.\n");

    /* bootmagic skip */
    if (bootmagic_scan_key(BOOTMAGIC_KEY_SKIP)) {
        return;
    }

    /* eeconfig clear */
    if (bootmagic_scan_key(BOOTMAGIC_KEY_EEPROM_CLEAR)) {
        eeconfig_init();
#ifdef KEYMAP_IN_EEPROM_ENABLE
        write_keymap_to_eeprom();
#endif
#ifdef LEDMAP_IN_EEPROM_ENABLE
        write_ledmap_to_eeprom();
#endif
    }

    /* bootloader */
    if (bootmagic_scan_key(BOOTMAGIC_KEY_BOOTLOADER)) {
        bootloader_jump();
    }

    /* user-defined checks */
    hook_bootmagic();

    /* debug enable */
    debug_config.raw = eeconfig_read_debug();
    if (bootmagic_scan_key(BOOTMAGIC_KEY_DEBUG_ENABLE)) {
        if (bootmagic_scan_key(BOOTMAGIC_KEY_DEBUG_MATRIX)) {
            debug_config.matrix = !debug_config.matrix;
        } else if (bootmagic_scan_key(BOOTMAGIC_KEY_DEBUG_KEYBOARD)) {
            debug_config.keyboard = !debug_config.keyboard;
        } else if (bootmagic_scan_key(BOOTMAGIC_KEY_DEBUG_MOUSE)) {
            debug_config.mouse = !debug_config.mouse;
        } else {
            debug_config.enable = !debug_config.enable;
        }
    }
    eeconfig_write_debug(debug_config.raw);

    /* keymap config */
    keymap_config.raw = eeconfig_read_keymap();
    if (bootmagic_scan_key(BOOTMAGIC_KEY_SWAP_CONTROL_CAPSLOCK)) {
        keymap_config.swap_control_capslock = !keymap_config.swap_control_capslock;
    }
    if (bootmagic_scan_key(BOOTMAGIC_KEY_CAPSLOCK_TO_CONTROL)) {
        keymap_config.capslock_to_control = !keymap_config.capslock_to_control;
    }
    if (bootmagic_scan_key(BOOTMAGIC_KEY_SWAP_LALT_LGUI)) {
        keymap_config.swap_lalt_lgui = !keymap_config.swap_lalt_lgui;
    }
    if (bootmagic_scan_key(BOOTMAGIC_KEY_SWAP_RALT_RGUI)) {
        keymap_config.swap_ralt_rgui = !keymap_config.swap_ralt_rgui;
    }
    if (bootmagic_scan_key(BOOTMAGIC_KEY_NO_GUI)) {
        keymap_config.no_gui = !keymap_config.no_gui;
    }
    if (bootmagic_scan_key(BOOTMAGIC_KEY_SWAP_GRAVE_ESC)) {
        keymap_config.swap_grave_esc = !keymap_config.swap_grave_esc;
    }
    if (bootmagic_scan_key(BOOTMAGIC_KEY_SWAP_BACKSLASH_BACKSPACE)) {
        keymap_config.swap_backslash_backspace = !keymap_config.swap_backslash_backspace;
    }
    if (bootmagic_scan_key(BOOTMAGIC_HOST_NKRO)) {
        keymap_config.nkro = !keymap_config.nkro;
    }
    eeconfig_write_keymap(keymap_config.raw);

#ifdef NKRO_ENABLE
    keyboard_nkro = keymap_config.nkro;
#endif

    /* default layer */
    uint8_t default_layer = 0;
    if (bootmagic_scan_key(BOOTMAGIC_KEY_DEFAULT_LAYER_0)) { default_layer |= (1<<0); }
    if (bootmagic_scan_key(BOOTMAGIC_KEY_DEFAULT_LAYER_1)) { default_layer |= (1<<1); }
    if (bootmagic_scan_key(BOOTMAGIC_KEY_DEFAULT_LAYER_2)) { default_layer |= (1<<2); }
    if (bootmagic_scan_key(BOOTMAGIC_KEY_DEFAULT_LAYER_3)) { default_layer |= (1<<3); }
    if (bootmagic_scan_key(BOOTMAGIC_KEY_DEFAULT_LAYER_4)) { default_layer |= (1<<4); }
    if (bootmagic_scan_key(BOOTMAGIC_KEY_DEFAULT_LAYER_5)) { default_layer |= (1<<5); }
    if (bootmagic_scan_key(BOOTMAGIC_KEY_DEFAULT_LAYER_6)) { default_layer |= (1<<6); }
    if (bootmagic_scan_key(BOOTMAGIC_KEY_DEFAULT_LAYER_7)) { default_layer |= (1<<7); }
    if (default_layer) {
        eeconfig_write_default_layer(default_layer);
        default_layer_set((uint32_t)default_layer);
    } else {
        default_layer = eeconfig_read_default_layer();
        default_layer_set((uint32_t)default_layer);
//.........这里部分代码省略.........