Function esp_idf_sys::esp_wifi_get_max_tx_power

source · 
pub unsafe extern "C" fn esp_wifi_get_max_tx_power(
    power: *mut i8
) -> esp_err_t
Expand description

@brief Get maximum transmiting power after WiFi start

@param power Maximum WiFi transmitting power, unit is 0.25dBm.

@return

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