qmk-dactyl-manuform-a/keyboards/dmqdesign/spin/keymaps/via/keymap.c

/* Copyright 2020-2021 adamkraus6
 *
 * 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(
        KC_7,      KC_8,      KC_9,      TO(0),
        KC_4,      KC_5,      KC_6,      TO(1),
        KC_1,      KC_2,      KC_3,      TO(2),
        KC_0,      KC_BSPC,   KC_ENTER
        ),

    [1] = LAYOUT(
        KC_NO,     KC_NO,     KC_NO,     KC_TRNS,
        KC_NO,     KC_NO,     KC_NO,     KC_TRNS,
        KC_NO,     KC_NO,     KC_NO,     KC_TRNS,
        KC_NO,     KC_NO,     KC_NO
        ),

    [2] = LAYOUT(
        KC_NO,     KC_NO,     KC_NO,     KC_TRNS,
        KC_NO,     KC_NO,     KC_NO,     KC_TRNS,
        KC_NO,     KC_NO,     KC_NO,     KC_TRNS,
        KC_NO,     KC_NO,     KC_NO
        ),

    [3] = LAYOUT(
        KC_NO,     KC_NO,     KC_NO,     KC_TRNS,
        KC_NO,     KC_NO,     KC_NO,     KC_TRNS,
        KC_NO,     KC_NO,     KC_NO,     KC_TRNS,
        KC_NO,     KC_NO,     KC_NO
        )
};

bool encoder_update_user(uint8_t index, bool clockwise) {
    if (index == 0) { /* First encoder */
        if (clockwise) {
        rgblight_increase_hue(); //Cycle through the RGB hue
        } else {
        rgblight_decrease_hue();
        }
    } else if (index == 1) { /* Second encoder */
        if (clockwise) {
        rgblight_increase_sat();
        } else {
        rgblight_decrease_sat();
        }
    } else if (index == 2) { /* Third encoder */
        if (clockwise) {
        rgblight_increase_val(); //Change brightness on the RGB LEDs
        } else {
        rgblight_decrease_val();
        }
    }
    return true;
}