qmk_firmware/keyboards/mt/mt64rgb/keymaps/via/keymap.c

 /* Copyright 2020 MT<704340378@qq.com>
  *
  * 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


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

	[0] =LAYOUT_64_ansi(
        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,
        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, KC_RSFT,  KC_UP,  KC_DEL,
        KC_LCTL,    KC_LALT, KC_LWIN,              KC_SPC,                                          MO(1),                   KC_RCTL, KC_LEFT, KC_DOWN, KC_RGHT
                        ),
	[1]   =LAYOUT_64_ansi(
		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, RGB_SAI, RGB_SAD, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, QK_BOOT,
		KC_TRNS, KC_LEFT, KC_DOWN, KC_RGHT, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS,
		KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, BL_TOGG, BL_UP,   BL_STEP, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, RGB_VAI, KC_TRNS,
		KC_TRNS, KC_TRNS, KC_TRNS, RGB_TOG, KC_TRNS, RGB_MOD, RGB_HUI, RGB_VAD, RGB_HUD)
};

bool rgb_matrix_indicators_user(void) {
    if (layer_state_is(1)) {
        rgb_matrix_set_color(77,0xFF, 0x80, 0x00);
    }
    if (host_keyboard_led_state().caps_lock) {
          rgb_matrix_set_color(28, 0xFF, 0xFF, 0xFF);
    }
    return false;
}