keychron_qmk_firmware/keyboards/boardsource/lulu/lulu.c

// Copyright 2022 Cole Smith <cole@boadsource.xyz>
// SPDX-License-Identifier: GPL-2.0-or-later
#include "quantum.h"
#include "lib/oled.h"

#ifdef ENCODER_ENABLE
bool encoder_update_kb(uint8_t index, bool clockwise) {
    if (!encoder_update_user(index, clockwise)) { return false; }
    if (index == 0) {
        if (clockwise) {
            tap_code(KC_VOLU);
        } else {
            tap_code(KC_VOLD);
        }
    } else if (index == 1) {
        if (clockwise) {
            tap_code(KC_PGDN);
        } else {
            tap_code(KC_PGUP);
        }
    }
    return true;
}
#endif

#ifdef OLED_ENABLE
oled_rotation_t oled_init_kb(oled_rotation_t rotation) {
    if (!is_keyboard_master()) {
        return OLED_ROTATION_180;
    }
    return rotation;
}

bool oled_task_kb(void) {
    if (!oled_task_user()) {
        return false;
    }
    if (is_keyboard_master()) {
        render_layer_state();
    } else {
        oled_write_raw_P(bs_logo_img, sizeof(bs_logo_img));
    }
    return false;
}
#endif