163 lines
4.9 KiB
C
163 lines
4.9 KiB
C
// Copyright 2015-2016 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.
|
|
|
|
/*
|
|
* All the APIs declared here are internal only APIs, it can only be used by
|
|
* espressif internal modules, such as SSC, LWIP, TCPIP adapter etc, espressif
|
|
* customers are not recommended to use them.
|
|
*
|
|
* If someone really want to use specified APIs declared in here, please contact
|
|
* espressif AE/developer to make sure you know the limitations or risk of
|
|
* the API, otherwise you may get unexpected behavior!!!
|
|
*
|
|
*/
|
|
|
|
|
|
#ifndef __ESP_WIFI_INTERNAL_H__
|
|
#define __ESP_WIFI_INTERNAL_H__
|
|
|
|
#include <stdint.h>
|
|
#include <stdbool.h>
|
|
#include "freertos/FreeRTOS.h"
|
|
#include "freertos/queue.h"
|
|
#include "rom/queue.h"
|
|
#include "esp_err.h"
|
|
#include "esp_wifi_types.h"
|
|
#include "esp_event.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* @brief Initialize Wi-Fi Driver
|
|
* Alloc resource for WiFi driver, such as WiFi control structure, RX/TX buffer,
|
|
* WiFi NVS structure among others.
|
|
*
|
|
* For the most part, you need not call this function directly. It gets called
|
|
* from esp_wifi_init().
|
|
*
|
|
* This function may be called, if you only need to initialize the Wi-Fi driver
|
|
* without having to use the network stack on top.
|
|
*
|
|
* @param config provide WiFi init configuration
|
|
*
|
|
* @return
|
|
* - ESP_OK: succeed
|
|
* - ESP_ERR_WIFI_NO_MEM: out of memory
|
|
* - others: refer to error code esp_err.h
|
|
*/
|
|
esp_err_t esp_wifi_init_internal(const wifi_init_config_t *config);
|
|
|
|
/**
|
|
* @brief get whether the wifi driver is allowed to transmit data or not
|
|
*
|
|
* @return
|
|
* - true : upper layer should stop to transmit data to wifi driver
|
|
* - false : upper layer can transmit data to wifi driver
|
|
*/
|
|
bool esp_wifi_internal_tx_is_stop(void);
|
|
|
|
/**
|
|
* @brief free the rx buffer which allocated by wifi driver
|
|
*
|
|
* @param void* buffer: rx buffer pointer
|
|
*/
|
|
void esp_wifi_internal_free_rx_buffer(void* buffer);
|
|
|
|
/**
|
|
* @brief transmit the buffer via wifi driver
|
|
*
|
|
* @param wifi_interface_t wifi_if : wifi interface id
|
|
* @param void *buffer : the buffer to be tansmit
|
|
* @param u16_t len : the length of buffer
|
|
*
|
|
* @return
|
|
* - ERR_OK : Successfully transmit the buffer to wifi driver
|
|
* - ERR_MEM : Out of memory
|
|
* - ERR_IF : WiFi driver error
|
|
* - ERR_ARG : Invalid argument
|
|
*/
|
|
int esp_wifi_internal_tx(wifi_interface_t wifi_if, void *buffer, u16_t len);
|
|
|
|
/**
|
|
* @brief The WiFi RX callback function
|
|
*
|
|
* Each time the WiFi need to forward the packets to high layer, the callback function will be called
|
|
*/
|
|
typedef esp_err_t (*wifi_rxcb_t)(void *buffer, uint16_t len, void *eb);
|
|
|
|
/**
|
|
* @brief Set the WiFi RX callback
|
|
*
|
|
* @attention 1. Currently we support only one RX callback for each interface
|
|
*
|
|
* @param wifi_interface_t ifx : interface
|
|
* @param wifi_rxcb_t fn : WiFi RX callback
|
|
*
|
|
* @return
|
|
* - ESP_OK : succeed
|
|
* - others : fail
|
|
*/
|
|
esp_err_t esp_wifi_internal_reg_rxcb(wifi_interface_t ifx, wifi_rxcb_t fn);
|
|
|
|
/**
|
|
* @brief Notify WIFI driver that the station got ip successfully
|
|
*
|
|
* @return
|
|
* - ESP_OK : succeed
|
|
* - others : fail
|
|
*/
|
|
esp_err_t esp_wifi_internal_set_sta_ip(void);
|
|
|
|
/**
|
|
* @brief Allocate a chunk of memory for WiFi driver
|
|
*
|
|
* @attention This API is not used for DMA memory allocation.
|
|
*
|
|
* @param size_t size : Size, in bytes, of the amount of memory to allocate
|
|
*
|
|
* @return A pointer to the memory allocated on success, NULL on failure
|
|
*/
|
|
void *wifi_malloc( size_t size );
|
|
|
|
/**
|
|
* @brief Reallocate a chunk of memory for WiFi driver
|
|
*
|
|
* @attention This API is not used for DMA memory allocation.
|
|
*
|
|
* @param void * ptr : Pointer to previously allocated memory, or NULL for a new allocation.
|
|
* @param size_t size : Size, in bytes, of the amount of memory to allocate
|
|
*
|
|
* @return A pointer to the memory allocated on success, NULL on failure
|
|
*/
|
|
void *wifi_realloc( void *ptr, size_t size );
|
|
|
|
/**
|
|
* @brief Callocate memory for WiFi driver
|
|
*
|
|
* @attention This API is not used for DMA memory allocation.
|
|
*
|
|
* @param size_t n : Number of continuing chunks of memory to allocate
|
|
* @param size_t size : Size, in bytes, of the amount of memory to allocate
|
|
*
|
|
* @return A pointer to the memory allocated on success, NULL on failure
|
|
*/
|
|
void *wifi_calloc( size_t n, size_t size );
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __ESP_WIFI_H__ */
|