Function esp_idf_svc::sys::esp_wifi_get_protocol
source ยท pub unsafe extern "C" fn esp_wifi_get_protocol(
ifx: u32,
protocol_bitmap: *mut u8,
) -> i32
Expand description
@brief Get the current protocol bitmap of the specified interface
@param ifx interface @param[out] protocol_bitmap store current WiFi protocol bitmap of interface ifx
@return
- ESP_OK: succeed
- ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
- ESP_ERR_WIFI_IF: invalid interface
- ESP_ERR_INVALID_ARG: invalid argument
- others: refer to error codes in esp_err.h