qmk_firmware/keyboards/annepro2/keymaps/default-layer-indicators/keymap.c

 /* Copyright 2021 OpenAnnePro community
  * 
  * This program is free software: you can redistribute it and/or modify 
  * it under the terms of the GNU General Public License as published by 
  * the Free Software Foundation, either version 2 of the License, or 
  * (at your option) any later version. 
  * 
  * This program is distributed in the hope that it will be useful, 
  * but WITHOUT ANY WARRANTY; without even the implied warranty of 
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
  * GNU General Public License for more details. 
  * 
  * You should have received a copy of the GNU General Public License 
  * along with this program.  If not, see <http://www.gnu.org/licenses/>. 
  */ 

#include QMK_KEYBOARD_H

enum anne_pro_layers {
    _BASE_LAYER,
    _FN1_LAYER,
    _FN2_LAYER,
};

// clang-format off

// Key symbols are based on QMK. Use them to remap your keyboard
/*
* Layer _BASE_LAYER
* ,-----------------------------------------------------------------------------------------.
* | esc |  1  |  2  |  3  |  4  |  5  |  6  |  7  |  8  |  9  |  0  |  -  |  =  |    Bksp   |
* |-----------------------------------------------------------------------------------------+
* | Tab    |  q  |  w  |  e  |  r  |  t  |  y  |  u  |  i  |  o  |  p  |  [  |  ]  |   \    |
* |-----------------------------------------------------------------------------------------+
* | Caps    |  a  |  s  |  d  |  f  |  g  |  h  |  j  |  k  |  l  |  ;  |  '  |    Enter    |
* |-----------------------------------------------------------------------------------------+
* | Shift      |  z  |  x  |  c  |  v  |  b  |  n  |  m  |  ,  |  .  |  /  |    Shift       |
* |-----------------------------------------------------------------------------------------+
* | Ctrl  |  L1   |  Alt  |               space             |  Alt  |  FN1  |  FN2  | Ctrl  |
* \-----------------------------------------------------------------------------------------/
* Layer TAP in _BASE_LAYER
* ,-----------------------------------------------------------------------------------------.
* |     |     |     |     |     |     |     |     |     |     |     |     |     |           |
* |-----------------------------------------------------------------------------------------+
* |        |     |     |     |     |     |     |     |     |     |     |     |     |        |
* |-----------------------------------------------------------------------------------------+
* |         |     |     |     |     |     |     |     |     |     |     |     |             |
* |-----------------------------------------------------------------------------------------+
* |            |     |     |     |     |     |     |     |     |     |     |       UP       |
* |-----------------------------------------------------------------------------------------+
* |       |       |       |                                 |       |  LEFT | DOWN  | RIGHT |
* \-----------------------------------------------------------------------------------------/
*/
 const uint16_t keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
 [_BASE_LAYER] = LAYOUT( /* Base */
    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,
    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,
    LT(_FN1_LAYER,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,
    KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, RSFT_T(KC_UP),
    KC_LCTL, KC_LGUI, KC_LALT, KC_SPC, KC_RALT, LT(_FN1_LAYER,KC_LEFT), LT(_FN2_LAYER,KC_DOWN), RCTL_T(KC_RGHT)
),
  /*
  * Layer _FN1_LAYER
  * ,-----------------------------------------------------------------------------------------.
  * |  `  |  F1 |  F2 |  F3 |  F4 |  F5 |  F6 |  F7 |  F8 |  F9 | F10 | F11 | F12 |  DELETE   |
  * |-----------------------------------------------------------------------------------------+
  * | Tab    |  q  | UP  |  e  |  r  |  t  |  y  |  u  |  i  |  o  | PS | HOME | END |   \    |
  * |-----------------------------------------------------------------------------------------+
  * | Esc     |LEFT |DOWN |RIGHT|  f  |  g  |  h  |  j  |  k  |  l  | PGUP|PGDN |    Enter    |
  * |-----------------------------------------------------------------------------------------+
  * | Shift      |V-UP |V-DWN|MUTE |  v  |  b  |  n  |  m  |  ,  |INSRT| DEL |    Shift       |
  * |-----------------------------------------------------------------------------------------+
  * | Ctrl  |  L1   |  Alt  |               space             |  Alt  |  FN1  |  FN2  | Ctrl  |
  * \-----------------------------------------------------------------------------------------/
  *
  */
 [_FN1_LAYER] = LAYOUT( /* Base */
    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, KC_DEL,
    KC_TRNS, KC_TRNS, KC_UP, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_PSCR, KC_HOME, KC_END, KC_TRNS,
    KC_TRNS, KC_LEFT, KC_DOWN, KC_RGHT, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_PGUP, KC_PGDN, KC_TRNS,
    KC_TRNS, KC_VOLU, KC_VOLD, KC_MUTE, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_INS, KC_DEL, KC_TRNS,
    KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, MO(_FN2_LAYER), KC_TRNS
),
  /*
  * Layer _FN2_LAYER
  * ,-----------------------------------------------------------------------------------------.
  * |  ~  | BT1 | BT2 | BT3 | BT4 |  F5 |  F6 |  F7 |LEDOF|LEDON| F10 | F11 | F12 |    Bksp   |
  * |-----------------------------------------------------------------------------------------+
  * | Tab    |  q  | UP  |  e  |  r  |  t  |  y  |  u  |  i  |  o  | PS | HOME | END |   \    |
  * |-----------------------------------------------------------------------------------------+
  * | Esc     |LEFT |DOWN |RIGHT|  f  |  g  |  h  |  j  |  k  |  l  | PGUP|PGDN |    Enter    |
  * |-----------------------------------------------------------------------------------------+
  * | Shift      |  z  |  x  |  c  |  v  |  b  |  n  |  m  |  ,  |INSRT| DEL |    Shift       |
  * |-----------------------------------------------------------------------------------------+
  * | Ctrl  |  L1   |  Alt  |               space             |  Alt  |  FN1  |  FN2  | Ctrl  |
  * \-----------------------------------------------------------------------------------------/
  *
  */
 [_FN2_LAYER] = LAYOUT( /* Base */
    KC_TRNS, KC_AP2_BT1, KC_AP2_BT2, KC_AP2_BT3, KC_AP2_BT4, KC_TRNS, KC_TRNS, KC_TRNS, KC_AP_LED_OFF, KC_AP_LED_ON, KC_AP_LED_NEXT_INTENSITY, KC_AP_LED_SPEED, KC_TRNS, KC_TRNS,
    MO(_FN2_LAYER), KC_TRNS, KC_UP, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_PSCR, KC_HOME, KC_END, KC_TRNS,
    KC_TRNS, KC_LEFT, KC_DOWN, KC_RGHT, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_PGUP, KC_PGDN, KC_TRNS,
    KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_INS, KC_DEL, KC_TRNS,
    KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, MO(_FN1_LAYER), MO(_FN2_LAYER), KC_TRNS
 ),
};

// clang-format on

layer_state_t layer_state_set_user(layer_state_t state) {
    switch (get_highest_layer(state)) {
        case _FN1_LAYER:
            // Set the leds to green
            annepro2LedSetForegroundColor(0x00, 0xFF, 0x00);
            break;
        case _FN2_LAYER:
            // Set the leds to blue
            annepro2LedSetForegroundColor(0x00, 0x00, 0xFF);
            break;
        default:
            // Reset back to the current profile
            annepro2LedResetForegroundColor();
            break;
    }
    return state;
}

// The function to handle the caps lock logic
// It's called after the capslock changes state or after entering layers 1 and 2.
bool led_update_user(led_t leds) {
    if (leds.caps_lock) {
        // Set the caps-lock to red
        const annepro2Led_t color = {.p.red = 0xff, .p.green = 0x00, .p.blue = 0x00, .p.alpha = 0xff};

        annepro2LedMaskSetKey(2, 0, color);
        /* NOTE: Instead of colouring the capslock only, you can change the whole
           keyboard with annepro2LedSetForegroundColor */
    } else {
        // Reset the capslock if there is no layer active
        if (!layer_state_is(_FN1_LAYER) && !layer_state_is(_FN2_LAYER)) {
            const annepro2Led_t color = {.p.red = 0xff, .p.green = 0x00, .p.blue = 0x00, .p.alpha = 0x00};
            annepro2LedMaskSetKey(2, 0, color);
        }
    }

    return true;
}