pub unsafe extern "C" fn esp_wifi_get_country(
    country: *mut wifi_country_t
) -> esp_err_t
Expand description

@brief get the current country info

@param country country info

@return

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