static void guiTask(void *pvParameter) {
(void) pvParameter;
xGuiSemaphore = xSemaphoreCreateMutex();
ESP_LOGI("lvgl_task", " guiTask ");
/* Initialize SPI or I2C bus used by the drivers */
// lvgl_driver_init();
// alloc draw buffers used by LVGL
// it's recommended to choose the size of the draw buffer(s) to be at least 1/10 screen sized
/
gpio_config_t io_conf = {
.pin_bit_mask = BIT64(LCD_BACKLIGHT_PIN),
.mode = GP