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			241 lines
		
	
	
		
			7.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			241 lines
		
	
	
		
			7.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| // Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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| //
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| // Licensed under the Apache License, Version 2.0 (the "License");
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| // you may not use this file except in compliance with the License.
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| // You may obtain a copy of the License at
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| 
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| //     http://www.apache.org/licenses/LICENSE-2.0
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| //
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| // Unless required by applicable law or agreed to in writing, software
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| // distributed under the License is distributed on an "AS IS" BASIS,
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| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| // See the License for the specific language governing permissions and
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| // limitations under the License.
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| 
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| /*
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|  * All the APIs declared here are internal only APIs, it can only be used by 
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|  * espressif internal modules, such as SSC, LWIP, TCPIP adapter etc, espressif 
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|  * customers are not recommended to use them.
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|  *
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|  * If someone really want to use specified APIs declared in here, please contact
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|  * espressif AE/developer to make sure you know the limitations or risk of 
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|  * the API, otherwise you may get unexpected behavior!!!
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|  *
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|  */
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| 
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| 
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| #ifndef __ESP_WIFI_INTERNAL_H__
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| #define __ESP_WIFI_INTERNAL_H__
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| 
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| #include <stdint.h>
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| #include <stdbool.h>
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| #include "freertos/FreeRTOS.h"
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| #include "freertos/queue.h"
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| #include "rom/queue.h"
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| #include "esp_err.h"
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| #include "esp_wifi_types.h"
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| #include "esp_event.h"
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| #include "esp_wifi.h"
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| 
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| #ifdef __cplusplus
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| extern "C" {
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| #endif
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| 
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| typedef struct {
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|     QueueHandle_t handle; /**< FreeRTOS queue handler */
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|     void *storage;        /**< storage for FreeRTOS queue */
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| } wifi_static_queue_t;
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| 
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| /**
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|  * @brief Initialize Wi-Fi Driver
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|  *     Alloc resource for WiFi driver, such as WiFi control structure, RX/TX buffer,
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|  *     WiFi NVS structure among others.
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|  *
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|  * For the most part, you need not call this function directly. It gets called
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|  * from esp_wifi_init().
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|  *
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|  * This function may be called, if you only need to initialize the Wi-Fi driver
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|  * without having to use the network stack on top.
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|  *
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|  * @param  config provide WiFi init configuration
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|  *
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|  * @return
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|  *    - ESP_OK: succeed
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|  *    - ESP_ERR_NO_MEM: out of memory
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|  *    - others: refer to error code esp_err.h
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|  */
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| esp_err_t esp_wifi_init_internal(const wifi_init_config_t *config);
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| 
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| /**
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|   * @brief  get whether the wifi driver is allowed to transmit data or not
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|   *
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|   * @return
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|   *     - true  : upper layer should stop to transmit data to wifi driver
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|   *     - false : upper layer can transmit data to wifi driver
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|   */
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| bool esp_wifi_internal_tx_is_stop(void);
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| 
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| /**
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|   * @brief  free the rx buffer which allocated by wifi driver
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|   *
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|   * @param  void* buffer: rx buffer pointer
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|   */
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| void esp_wifi_internal_free_rx_buffer(void* buffer);
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| 
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| /**
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|   * @brief  transmit the buffer via wifi driver
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|   *
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|   * @param  wifi_interface_t wifi_if : wifi interface id
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|   * @param  void *buffer : the buffer to be tansmit
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|   * @param  uint16_t len : the length of buffer
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|   *
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|   * @return
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|   *    - ERR_OK  : Successfully transmit the buffer to wifi driver
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|   *    - ERR_MEM : Out of memory
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|   *    - ERR_IF : WiFi driver error
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|   *    - ERR_ARG : Invalid argument
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|   */
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| int esp_wifi_internal_tx(wifi_interface_t wifi_if, void *buffer, uint16_t len);
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| 
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| /**
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|   * @brief     The WiFi RX callback function
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|   *
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|   *            Each time the WiFi need to forward the packets to high layer, the callback function will be called
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|   */
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| typedef esp_err_t (*wifi_rxcb_t)(void *buffer, uint16_t len, void *eb);
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| 
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| /**
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|   * @brief     Set the WiFi RX callback
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|   *
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|   * @attention 1. Currently we support only one RX callback for each interface
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|   *
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|   * @param     wifi_interface_t ifx : interface
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|   * @param     wifi_rxcb_t fn : WiFi RX callback
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|   *
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|   * @return
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|   *     - ESP_OK : succeed
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|   *     - others : fail
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|   */
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| esp_err_t esp_wifi_internal_reg_rxcb(wifi_interface_t ifx, wifi_rxcb_t fn);
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| 
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| /**
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|   * @brief     Notify WIFI driver that the station got ip successfully
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|   *
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|   * @return
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|   *     - ESP_OK : succeed
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|   *     - others : fail
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|   */
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| esp_err_t esp_wifi_internal_set_sta_ip(void);
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| 
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| /**
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|   * @brief  enable or disable transmitting WiFi MAC frame with fixed rate
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|   *
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|   * @attention 1. If fixed rate is enabled, both management and data frame are transmitted with fixed rate
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|   * @attention 2. Make sure that the receiver is able to receive the frame with the fixed rate if you want the frame to be received
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|   *
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|   * @param  ifx : wifi interface
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|   * @param  en : false - disable, true - enable
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|   * @param  rate : PHY rate
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|   *
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|   * @return
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|   *    - ERR_OK  : succeed
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|   *    - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
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|   *    - ESP_ERR_WIFI_NOT_STARTED: WiFi was not started by esp_wifi_start
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|   *    - ESP_ERR_WIFI_IF : invalid WiFi interface
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|   *    - ESP_ERR_INVALID_ARG : invalid rate
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|   *    - ESP_ERR_NOT_SUPPORTED : do not support to set fixed rate if TX AMPDU is enabled
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|   */
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| esp_err_t esp_wifi_internal_set_fix_rate(wifi_interface_t ifx, bool en, wifi_phy_rate_t rate);
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| 
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| /**
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|   * @brief     Check the MD5 values of the OS adapter header files in IDF and WiFi library
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|   *
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|   * @attention 1. It is used for internal CI version check
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|   *
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|   * @return
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|   *     - ESP_OK : succeed
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|   *     - ESP_WIFI_INVALID_ARG : MD5 check fail
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|   */
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| esp_err_t esp_wifi_internal_osi_funcs_md5_check(const char *md5);
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| 
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| /**
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|   * @brief     Check the MD5 values of the crypto types header files in IDF and WiFi library
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|   *
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|   * @attention 1. It is used for internal CI version check
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|   *
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|   * @return
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|   *     - ESP_OK : succeed
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|   *     - ESP_WIFI_INVALID_ARG : MD5 check fail
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|   */
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| esp_err_t esp_wifi_internal_crypto_funcs_md5_check(const char *md5);
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| 
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| /**
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|   * @brief     Check the git commit id of WiFi library
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|   *
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|   * @attention 1. It is used for internal CI WiFi library check
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|   *
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|   * @return
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|   *     - ESP_OK : succeed
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|   *     - ESP_FAIL : fail
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|   */
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| esp_err_t esp_wifi_internal_git_commit_id_check(void);
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| 
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| /**
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|   * @brief     Allocate a chunk of memory for WiFi driver
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|   *
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|   * @attention This API is not used for DMA memory allocation.
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|   *
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|   * @param     size_t size : Size, in bytes, of the amount of memory to allocate
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|   *
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|   * @return    A pointer to the memory allocated on success, NULL on failure
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|   */
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| void *wifi_malloc( size_t size );
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| 
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| /**
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|   * @brief     Reallocate a chunk of memory for WiFi driver
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|   *
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|   * @attention This API is not used for DMA memory allocation.
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|   *
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|   * @param     void * ptr  : Pointer to previously allocated memory, or NULL for a new allocation.
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|   * @param     size_t size : Size, in bytes, of the amount of memory to allocate
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|   *
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|   * @return    A pointer to the memory allocated on success, NULL on failure
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|   */
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| void *wifi_realloc( void *ptr, size_t size );
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| 
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| /**
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|   * @brief     Callocate memory for WiFi driver
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|   *
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|   * @attention This API is not used for DMA memory allocation.
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|   *
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|   * @param     size_t n    : Number of continuing chunks of memory to allocate
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|   * @param     size_t size : Size, in bytes, of the amount of memory to allocate
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|   *
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|   * @return    A pointer to the memory allocated on success, NULL on failure
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|   */
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| void *wifi_calloc( size_t n, size_t size );
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| 
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| /**
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|   * @brief     Update WiFi MAC time
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|   *
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|   * @param     uint32_t time_delta : time duration since the WiFi/BT common clock is disabled
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|   *
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|   * @return    Always returns ESP_OK
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|   */
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| typedef esp_err_t (* wifi_mac_time_update_cb_t)( uint32_t time_delta );
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| 
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| /**
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|   * @brief     Update WiFi MAC time
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|   *
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|   * @param     uint32_t time_delta : time duration since the WiFi/BT common clock is disabled
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|   *
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|   * @return    Always returns ESP_OK
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|   */
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| esp_err_t esp_wifi_internal_update_mac_time( uint32_t time_delta );
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| 
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| #ifdef __cplusplus
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| }
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| #endif
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| 
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| #endif /* __ESP_WIFI_H__ */
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