esp-idf/components/esp_wifi/include/esp_wifi_netif.h

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// Copyright 2019 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef _ESP_WIFI_NETIF_H
#define _ESP_WIFI_NETIF_H
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Number of WiFi interfaces used by wifi-netif abstraction
*/
#define MAX_WIFI_IFS (2)
/**
* @brief Forward declaration of WiFi interface handle
*/
typedef struct wifi_netif_driver* wifi_netif_driver_t;
/**
* @brief Creates wifi driver instance to be used with esp-netif
*
* @param wifi_if wifi interface type (station, softAP)
*
* @return
* - pointer to wifi interface handle on success
* - NULL otherwise
*/
wifi_netif_driver_t esp_wifi_create_if_driver(wifi_interface_t wifi_if);
/**
* @brief Destroys wifi driver instance
*
* @param h pointer to wifi interface handle
*
*/
void esp_wifi_destroy_if_driver(wifi_netif_driver_t h);
/**
* @brief Return mac of specified wifi driver instance
*
* @param[in] ifx pointer to wifi interface handle
* @param[out] mac output mac address
*
* @return ESP_OK on success
*
*/
esp_err_t esp_wifi_get_if_mac(wifi_netif_driver_t ifx, uint8_t mac[6]);
/**
* @brief Return true if the supplied interface instance is ready after start.
* Typically used when registering on receive callback, which ought to be
* installed as soon as AP started, but once STA gets connected.
*
* @param[in] ifx pointer to wifi interface handle
*
* @return
* - true if ready after intertace started (typically Access Point type)
* - false if ready once intertace connected (typically for Station type)
*/
bool esp_wifi_is_if_ready_when_started(wifi_netif_driver_t ifx);
/**
* @brief Register interface receive callback function with argument
*
* @param[in] ifx pointer to wifi interface handle
* @param[in] fn funtion to be registered (typically esp_netif_receive)
* @param[in] arg argument to be supplied to registered function (typically esp_netif ptr)
*
* @return ESP_OK on success
*
*/
esp_err_t esp_wifi_register_if_rxcb(wifi_netif_driver_t ifx, esp_netif_receive_t fn, void * arg);
#ifdef __cplusplus
}
#endif
#endif //_ESP_WIFI_NETIF_H