#include QMK_KEYBOARD_H enum layer { LAYER_FIRST, LAYER_SECOND, }; #define LY_SECND MO(LAYER_SECOND) const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = { [LAYER_FIRST] = LAYOUT( KC_MUTE, LY_SECND, BL_BRTG, KC_F4, KC_F5, KC_F6, KC_F1, KC_F2, KC_F3 ), [LAYER_SECOND] = LAYOUT( EEP_RST, _______, RESET, KC_F10, KC_F11, KC_F12, KC_F7, KC_F8, KC_F9 ), }; bool encoder_update_user(uint8_t index, bool clockwise) { switch (index) { /* Top-left encoder (volume) */ case 0: tap_code(clockwise ? KC_VOLU : KC_VOLD); break; /* Top-right encoder (backlight brightness) */ case 1: if (clockwise) { #ifdef BACKLIGHT_ENABLE backlight_increase(); #endif } else { #ifdef BACKLIGHT_ENABLE backlight_decrease(); #endif } break; } return true; }