Function esp_wifi_get_mode

pub unsafe extern "C" fn esp_wifi_get_mode(mode: *mut u32) -> i32

@brief Get current operating mode of WiFi

@param[out] mode store current WiFi mode

@return

• ESP_OK: succeed
• ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
• ESP_ERR_INVALID_ARG: invalid argument