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esp-idf/components/esp_wifi/include/esp_wifi.h
xueyunfei 8696dc15f1 esp_wifi:add clear ap list interface
2022-08-19 14:10:51 +08:00

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/*
* SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
/* Notes about WiFi Programming
*
* The esp32 WiFi programming model can be depicted as following picture:
*
*
* default handler user handler
* ------------- --------------- ---------------
* | | event | | callback or | |
* | tcpip | ---------> | event | ----------> | application |
* | stack | | task | event | task |
* |-----------| |-------------| |-------------|
* /|\ |
* | |
* event | |
* | |
* | |
* --------------- |
* | | |
* | WiFi Driver |/__________________|
* | |\ API call
* | |
* |-------------|
*
* The WiFi driver can be consider as black box, it knows nothing about the high layer code, such as
* TCPIP stack, application task, event task etc, all it can do is to receive API call from high layer
* or post event queue to a specified Queue, which is initialized by API esp_wifi_init().
*
* The event task is a daemon task, which receives events from WiFi driver or from other subsystem, such
* as TCPIP stack, event task will call the default callback function on receiving the event. For example,
* on receiving event WIFI_EVENT_STA_CONNECTED, it will call esp_netif API to start the DHCP
* client in it's default handler.
*
* Application can register it's own event callback function by API esp_event_init, then the application callback
* function will be called after the default callback. Also, if application doesn't want to execute the callback
* in the event task, what it needs to do is to post the related event to application task in the application callback function.
*
* The application task (code) generally mixes all these thing together, it calls APIs to init the system/WiFi and
* handle the events when necessary.
*
*/
#ifndef __ESP_WIFI_H__
#define __ESP_WIFI_H__
#include <stdint.h>
#include <stdbool.h>
#include "esp_err.h"
#include "esp_wifi_types.h"
#include "esp_event.h"
#include "esp_private/esp_wifi_private.h"
#include "esp_wifi_default.h"
#ifdef __cplusplus
extern "C" {
#endif
#define ESP_ERR_WIFI_NOT_INIT (ESP_ERR_WIFI_BASE + 1) /*!< WiFi driver was not installed by esp_wifi_init */
#define ESP_ERR_WIFI_NOT_STARTED (ESP_ERR_WIFI_BASE + 2) /*!< WiFi driver was not started by esp_wifi_start */
#define ESP_ERR_WIFI_NOT_STOPPED (ESP_ERR_WIFI_BASE + 3) /*!< WiFi driver was not stopped by esp_wifi_stop */
#define ESP_ERR_WIFI_IF (ESP_ERR_WIFI_BASE + 4) /*!< WiFi interface error */
#define ESP_ERR_WIFI_MODE (ESP_ERR_WIFI_BASE + 5) /*!< WiFi mode error */
#define ESP_ERR_WIFI_STATE (ESP_ERR_WIFI_BASE + 6) /*!< WiFi internal state error */
#define ESP_ERR_WIFI_CONN (ESP_ERR_WIFI_BASE + 7) /*!< WiFi internal control block of station or soft-AP error */
#define ESP_ERR_WIFI_NVS (ESP_ERR_WIFI_BASE + 8) /*!< WiFi internal NVS module error */
#define ESP_ERR_WIFI_MAC (ESP_ERR_WIFI_BASE + 9) /*!< MAC address is invalid */
#define ESP_ERR_WIFI_SSID (ESP_ERR_WIFI_BASE + 10) /*!< SSID is invalid */
#define ESP_ERR_WIFI_PASSWORD (ESP_ERR_WIFI_BASE + 11) /*!< Password is invalid */
#define ESP_ERR_WIFI_TIMEOUT (ESP_ERR_WIFI_BASE + 12) /*!< Timeout error */
#define ESP_ERR_WIFI_WAKE_FAIL (ESP_ERR_WIFI_BASE + 13) /*!< WiFi is in sleep state(RF closed) and wakeup fail */
#define ESP_ERR_WIFI_WOULD_BLOCK (ESP_ERR_WIFI_BASE + 14) /*!< The caller would block */
#define ESP_ERR_WIFI_NOT_CONNECT (ESP_ERR_WIFI_BASE + 15) /*!< Station still in disconnect status */
#define ESP_ERR_WIFI_POST (ESP_ERR_WIFI_BASE + 18) /*!< Failed to post the event to WiFi task */
#define ESP_ERR_WIFI_INIT_STATE (ESP_ERR_WIFI_BASE + 19) /*!< Invalid WiFi state when init/deinit is called */
#define ESP_ERR_WIFI_STOP_STATE (ESP_ERR_WIFI_BASE + 20) /*!< Returned when WiFi is stopping */
#define ESP_ERR_WIFI_NOT_ASSOC (ESP_ERR_WIFI_BASE + 21) /*!< The WiFi connection is not associated */
#define ESP_ERR_WIFI_TX_DISALLOW (ESP_ERR_WIFI_BASE + 22) /*!< The WiFi TX is disallowed */
/**
* @brief WiFi stack configuration parameters passed to esp_wifi_init call.
*/
typedef struct {
wifi_osi_funcs_t* osi_funcs; /**< WiFi OS functions */
wpa_crypto_funcs_t wpa_crypto_funcs; /**< WiFi station crypto functions when connect */
int static_rx_buf_num; /**< WiFi static RX buffer number */
int dynamic_rx_buf_num; /**< WiFi dynamic RX buffer number */
int tx_buf_type; /**< WiFi TX buffer type */
int static_tx_buf_num; /**< WiFi static TX buffer number */
int dynamic_tx_buf_num; /**< WiFi dynamic TX buffer number */
int cache_tx_buf_num; /**< WiFi TX cache buffer number */
int csi_enable; /**< WiFi channel state information enable flag */
int ampdu_rx_enable; /**< WiFi AMPDU RX feature enable flag */
int ampdu_tx_enable; /**< WiFi AMPDU TX feature enable flag */
int amsdu_tx_enable; /**< WiFi AMSDU TX feature enable flag */
int nvs_enable; /**< WiFi NVS flash enable flag */
int nano_enable; /**< Nano option for printf/scan family enable flag */
int rx_ba_win; /**< WiFi Block Ack RX window size */
int wifi_task_core_id; /**< WiFi Task Core ID */
int beacon_max_len; /**< WiFi softAP maximum length of the beacon */
int mgmt_sbuf_num; /**< WiFi management short buffer number, the minimum value is 6, the maximum value is 32 */
uint64_t feature_caps; /**< Enables additional WiFi features and capabilities */
bool sta_disconnected_pm; /**< WiFi Power Management for station at disconnected status */
int magic; /**< WiFi init magic number, it should be the last field */
} wifi_init_config_t;
#ifdef CONFIG_ESP32_WIFI_STATIC_TX_BUFFER_NUM
#define WIFI_STATIC_TX_BUFFER_NUM CONFIG_ESP32_WIFI_STATIC_TX_BUFFER_NUM
#else
#define WIFI_STATIC_TX_BUFFER_NUM 0
#endif
#if (CONFIG_ESP32_SPIRAM_SUPPORT || CONFIG_ESP32S2_SPIRAM_SUPPORT || CONFIG_ESP32S3_SPIRAM_SUPPORT)
#define WIFI_CACHE_TX_BUFFER_NUM CONFIG_ESP32_WIFI_CACHE_TX_BUFFER_NUM
#else
#define WIFI_CACHE_TX_BUFFER_NUM 0
#endif
#ifdef CONFIG_ESP32_WIFI_DYNAMIC_TX_BUFFER_NUM
#define WIFI_DYNAMIC_TX_BUFFER_NUM CONFIG_ESP32_WIFI_DYNAMIC_TX_BUFFER_NUM
#else
#define WIFI_DYNAMIC_TX_BUFFER_NUM 0
#endif
#if CONFIG_ESP32_WIFI_CSI_ENABLED
#define WIFI_CSI_ENABLED 1
#else
#define WIFI_CSI_ENABLED 0
#endif
#if CONFIG_ESP32_WIFI_AMPDU_RX_ENABLED
#define WIFI_AMPDU_RX_ENABLED 1
#else
#define WIFI_AMPDU_RX_ENABLED 0
#endif
#if CONFIG_ESP32_WIFI_AMPDU_TX_ENABLED
#define WIFI_AMPDU_TX_ENABLED 1
#else
#define WIFI_AMPDU_TX_ENABLED 0
#endif
#if CONFIG_ESP32_WIFI_AMSDU_TX_ENABLED
#define WIFI_AMSDU_TX_ENABLED 1
#else
#define WIFI_AMSDU_TX_ENABLED 0
#endif
#if CONFIG_ESP32_WIFI_NVS_ENABLED
#define WIFI_NVS_ENABLED 1
#else
#define WIFI_NVS_ENABLED 0
#endif
#if CONFIG_NEWLIB_NANO_FORMAT
#define WIFI_NANO_FORMAT_ENABLED 1
#else
#define WIFI_NANO_FORMAT_ENABLED 0
#endif
extern const wpa_crypto_funcs_t g_wifi_default_wpa_crypto_funcs;
extern uint64_t g_wifi_feature_caps;
#define WIFI_INIT_CONFIG_MAGIC 0x1F2F3F4F
#ifdef CONFIG_ESP32_WIFI_AMPDU_RX_ENABLED
#define WIFI_DEFAULT_RX_BA_WIN CONFIG_ESP32_WIFI_RX_BA_WIN
#else
#define WIFI_DEFAULT_RX_BA_WIN 0 /* unused if ampdu_rx_enable == false */
#endif
#if CONFIG_ESP32_WIFI_TASK_PINNED_TO_CORE_1
#define WIFI_TASK_CORE_ID 1
#else
#define WIFI_TASK_CORE_ID 0
#endif
#ifdef CONFIG_ESP32_WIFI_SOFTAP_BEACON_MAX_LEN
#define WIFI_SOFTAP_BEACON_MAX_LEN CONFIG_ESP32_WIFI_SOFTAP_BEACON_MAX_LEN
#else
#define WIFI_SOFTAP_BEACON_MAX_LEN 752
#endif
#ifdef CONFIG_ESP32_WIFI_MGMT_SBUF_NUM
#define WIFI_MGMT_SBUF_NUM CONFIG_ESP32_WIFI_MGMT_SBUF_NUM
#else
#define WIFI_MGMT_SBUF_NUM 32
#endif
#if CONFIG_ESP_WIFI_STA_DISCONNECTED_PM_ENABLE
#define WIFI_STA_DISCONNECTED_PM_ENABLED true
#else
#define WIFI_STA_DISCONNECTED_PM_ENABLED false
#endif
#define CONFIG_FEATURE_WPA3_SAE_BIT (1<<0)
#define CONFIG_FEATURE_CACHE_TX_BUF_BIT (1<<1)
#define CONFIG_FEATURE_FTM_INITIATOR_BIT (1<<2)
#define CONFIG_FEATURE_FTM_RESPONDER_BIT (1<<3)
#define WIFI_INIT_CONFIG_DEFAULT() { \
.osi_funcs = &g_wifi_osi_funcs, \
.wpa_crypto_funcs = g_wifi_default_wpa_crypto_funcs, \
.static_rx_buf_num = CONFIG_ESP32_WIFI_STATIC_RX_BUFFER_NUM,\
.dynamic_rx_buf_num = CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM,\
.tx_buf_type = CONFIG_ESP32_WIFI_TX_BUFFER_TYPE,\
.static_tx_buf_num = WIFI_STATIC_TX_BUFFER_NUM,\
.dynamic_tx_buf_num = WIFI_DYNAMIC_TX_BUFFER_NUM,\
.cache_tx_buf_num = WIFI_CACHE_TX_BUFFER_NUM,\
.csi_enable = WIFI_CSI_ENABLED,\
.ampdu_rx_enable = WIFI_AMPDU_RX_ENABLED,\
.ampdu_tx_enable = WIFI_AMPDU_TX_ENABLED,\
.amsdu_tx_enable = WIFI_AMSDU_TX_ENABLED,\
.nvs_enable = WIFI_NVS_ENABLED,\
.nano_enable = WIFI_NANO_FORMAT_ENABLED,\
.rx_ba_win = WIFI_DEFAULT_RX_BA_WIN,\
.wifi_task_core_id = WIFI_TASK_CORE_ID,\
.beacon_max_len = WIFI_SOFTAP_BEACON_MAX_LEN, \
.mgmt_sbuf_num = WIFI_MGMT_SBUF_NUM, \
.feature_caps = g_wifi_feature_caps, \
.sta_disconnected_pm = WIFI_STA_DISCONNECTED_PM_ENABLED, \
.magic = WIFI_INIT_CONFIG_MAGIC\
}
/**
* @brief Initialize WiFi
* Allocate resource for WiFi driver, such as WiFi control structure, RX/TX buffer,
* WiFi NVS structure etc. This WiFi also starts WiFi task
*
* @attention 1. This API must be called before all other WiFi API can be called
* @attention 2. Always use WIFI_INIT_CONFIG_DEFAULT macro to initialize the configuration to default values, this can
* guarantee all the fields get correct value when more fields are added into wifi_init_config_t
* in future release. If you want to set your own initial values, overwrite the default values
* which are set by WIFI_INIT_CONFIG_DEFAULT. Please be notified that the field 'magic' of
* wifi_init_config_t should always be WIFI_INIT_CONFIG_MAGIC!
*
* @param config pointer to WiFi initialized configuration structure; can point to a temporary variable.
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_NO_MEM: out of memory
* - others: refer to error code esp_err.h
*/
esp_err_t esp_wifi_init(const wifi_init_config_t *config);
/**
* @brief Deinit WiFi
* Free all resource allocated in esp_wifi_init and stop WiFi task
*
* @attention 1. This API should be called if you want to remove WiFi driver from the system
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
*/
esp_err_t esp_wifi_deinit(void);
/**
* @brief Set the WiFi operating mode
*
* Set the WiFi operating mode as station, soft-AP or station+soft-AP,
* The default mode is station mode.
*
* @param mode WiFi operating mode
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_INVALID_ARG: invalid argument
* - others: refer to error code in esp_err.h
*/
esp_err_t esp_wifi_set_mode(wifi_mode_t mode);
/**
* @brief Get current operating mode of WiFi
*
* @param[out] mode store current WiFi mode
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_INVALID_ARG: invalid argument
*/
esp_err_t esp_wifi_get_mode(wifi_mode_t *mode);
/**
* @brief Start WiFi according to current configuration
* If mode is WIFI_MODE_STA, it create station control block and start station
* If mode is WIFI_MODE_AP, it create soft-AP control block and start soft-AP
* If mode is WIFI_MODE_APSTA, it create soft-AP and station control block and start soft-AP and station
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_INVALID_ARG: invalid argument
* - ESP_ERR_NO_MEM: out of memory
* - ESP_ERR_WIFI_CONN: WiFi internal error, station or soft-AP control block wrong
* - ESP_FAIL: other WiFi internal errors
*/
esp_err_t esp_wifi_start(void);
/**
* @brief Stop WiFi
* If mode is WIFI_MODE_STA, it stop station and free station control block
* If mode is WIFI_MODE_AP, it stop soft-AP and free soft-AP control block
* If mode is WIFI_MODE_APSTA, it stop station/soft-AP and free station/soft-AP control block
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
*/
esp_err_t esp_wifi_stop(void);
/**
* @brief Restore WiFi stack persistent settings to default values
*
* This function will reset settings made using the following APIs:
* - esp_wifi_set_bandwidth,
* - esp_wifi_set_protocol,
* - esp_wifi_set_config related
* - esp_wifi_set_mode
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
*/
esp_err_t esp_wifi_restore(void);
/**
* @brief Connect the ESP32 WiFi station to the AP.
*
* @attention 1. This API only impact WIFI_MODE_STA or WIFI_MODE_APSTA mode
* @attention 2. If the ESP32 is connected to an AP, call esp_wifi_disconnect to disconnect.
* @attention 3. The scanning triggered by esp_wifi_scan_start() will not be effective until connection between ESP32 and the AP is established.
* If ESP32 is scanning and connecting at the same time, ESP32 will abort scanning and return a warning message and error
* number ESP_ERR_WIFI_STATE.
* If you want to do reconnection after ESP32 received disconnect event, remember to add the maximum retry time, otherwise the called
* scan will not work. This is especially true when the AP doesn't exist, and you still try reconnection after ESP32 received disconnect
* event with the reason code WIFI_REASON_NO_AP_FOUND.
*
* @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_WIFI_CONN: WiFi internal error, station or soft-AP control block wrong
* - ESP_ERR_WIFI_SSID: SSID of AP which station connects is invalid
*/
esp_err_t esp_wifi_connect(void);
/**
* @brief Disconnect the ESP32 WiFi station from the AP.
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi was not initialized by esp_wifi_init
* - ESP_ERR_WIFI_NOT_STARTED: WiFi was not started by esp_wifi_start
* - ESP_FAIL: other WiFi internal errors
*/
esp_err_t esp_wifi_disconnect(void);
/**
* @brief Currently this API is just an stub API
*
* @return
* - ESP_OK: succeed
* - others: fail
*/
esp_err_t esp_wifi_clear_fast_connect(void);
/**
* @brief deauthenticate all stations or associated id equals to aid
*
* @param aid when aid is 0, deauthenticate all stations, otherwise deauthenticate station whose associated id is aid
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_WIFI_NOT_STARTED: WiFi was not started by esp_wifi_start
* - ESP_ERR_INVALID_ARG: invalid argument
* - ESP_ERR_WIFI_MODE: WiFi mode is wrong
*/
esp_err_t esp_wifi_deauth_sta(uint16_t aid);
/**
* @brief Scan all available APs.
*
* @attention If this API is called, the found APs are stored in WiFi driver dynamic allocated memory and the
* will be freed in esp_wifi_scan_get_ap_records, so generally, call esp_wifi_scan_get_ap_records to cause
* the memory to be freed once the scan is done
* @attention The values of maximum active scan time and passive scan time per channel are limited to 1500 milliseconds.
* Values above 1500ms may cause station to disconnect from AP and are not recommended.
*
* @param config configuration of scanning
* @param block if block is true, this API will block the caller until the scan is done, otherwise
* it will return immediately
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_WIFI_NOT_STARTED: WiFi was not started by esp_wifi_start
* - ESP_ERR_WIFI_TIMEOUT: blocking scan is timeout
* - ESP_ERR_WIFI_STATE: wifi still connecting when invoke esp_wifi_scan_start
* - others: refer to error code in esp_err.h
*/
esp_err_t esp_wifi_scan_start(const wifi_scan_config_t *config, bool block);
/**
* @brief Stop the scan in process
*
* @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_t esp_wifi_scan_stop(void);
/**
* @brief Get number of APs found in last scan
*
* @param[out] number store number of APIs found in last scan
*
* @attention This API can only be called when the scan is completed, otherwise it may get wrong value.
*
* @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
*/
esp_err_t esp_wifi_scan_get_ap_num(uint16_t *number);
/**
* @brief Get AP list found in last scan
*
* @param[inout] number As input param, it stores max AP number ap_records can hold.
* As output param, it receives the actual AP number this API returns.
* @param ap_records wifi_ap_record_t array to hold the found APs
*
* @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
* - ESP_ERR_NO_MEM: out of memory
*/
esp_err_t esp_wifi_scan_get_ap_records(uint16_t *number, wifi_ap_record_t *ap_records);
/**
* @brief Clear AP list found in last scan
*
* @attention When the obtained ap list fails,bss info must be cleared,otherwise it may cause memory leakage.
*
* @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_WIFI_MODE: WiFi mode is wrong
* - ESP_ERR_INVALID_ARG: invalid argument
*/
esp_err_t esp_wifi_clear_ap_list(void);
/**
* @brief Get information of AP which the ESP32 station is associated with
*
* @attention When the obtained country information is empty, it means that the AP does not carry country information
*
* @param ap_info the wifi_ap_record_t to hold AP information
* sta can get the connected ap's phy mode info through the struct member
* phy_11b，phy_11g，phy_11n，phy_lr in the wifi_ap_record_t struct.
* For example, phy_11b = 1 imply that ap support 802.11b mode
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_CONN: The station interface don't initialized
* - ESP_ERR_WIFI_NOT_CONNECT: The station is in disconnect status
*/
esp_err_t esp_wifi_sta_get_ap_info(wifi_ap_record_t *ap_info);
/**
* @brief Set current WiFi power save type
*
* @attention Default power save type is WIFI_PS_MIN_MODEM.
*
* @param type power save type
*
* @return ESP_OK: succeed
*/
esp_err_t esp_wifi_set_ps(wifi_ps_type_t type);
/**
* @brief Get current WiFi power save type
*
* @attention Default power save type is WIFI_PS_MIN_MODEM.
*
* @param[out] type: store current power save type
*
* @return ESP_OK: succeed
*/
esp_err_t esp_wifi_get_ps(wifi_ps_type_t *type);
/**
* @brief Set protocol type of specified interface
* The default protocol is (WIFI_PROTOCOL_11B|WIFI_PROTOCOL_11G|WIFI_PROTOCOL_11N)
*
* @attention Support 802.11b or 802.11bg or 802.11bgn or LR mode
*
* @param ifx interfaces
* @param protocol_bitmap WiFi protocol bitmap
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_WIFI_IF: invalid interface
* - others: refer to error codes in esp_err.h
*/
esp_err_t esp_wifi_set_protocol(wifi_interface_t ifx, uint8_t protocol_bitmap);
/**
* @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
*/
esp_err_t esp_wifi_get_protocol(wifi_interface_t ifx, uint8_t *protocol_bitmap);
/**
* @brief Set the bandwidth of ESP32 specified interface
*
* @attention 1. API return false if try to configure an interface that is not enabled
* @attention 2. WIFI_BW_HT40 is supported only when the interface support 11N
*
* @param ifx interface to be configured
* @param bw bandwidth
*
* @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
*/
esp_err_t esp_wifi_set_bandwidth(wifi_interface_t ifx, wifi_bandwidth_t bw);
/**
* @brief Get the bandwidth of ESP32 specified interface
*
* @attention 1. API return false if try to get a interface that is not enable
*
* @param ifx interface to be configured
* @param[out] bw store bandwidth 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
*/
esp_err_t esp_wifi_get_bandwidth(wifi_interface_t ifx, wifi_bandwidth_t *bw);
/**
* @brief Set primary/secondary channel of ESP32
*
* @attention 1. This API should be called after esp_wifi_start()
* @attention 2. When ESP32 is in STA mode, this API should not be called when STA is scanning or connecting to an external AP
* @attention 3. When ESP32 is in softAP mode, this API should not be called when softAP has connected to external STAs
* @attention 4. When ESP32 is in STA+softAP mode, this API should not be called when in the scenarios described above
*
* @param primary for HT20, primary is the channel number, for HT40, primary is the primary channel
* @param second for HT20, second is ignored, for HT40, second is the second channel
*
* @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
*/
esp_err_t esp_wifi_set_channel(uint8_t primary, wifi_second_chan_t second);
/**
* @brief Get the primary/secondary channel of ESP32
*
* @attention 1. API return false if try to get a interface that is not enable
*
* @param primary store current primary channel
* @param[out] second store current second channel
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_INVALID_ARG: invalid argument
*/
esp_err_t esp_wifi_get_channel(uint8_t *primary, wifi_second_chan_t *second);
/**
* @brief configure country info
*
* @attention 1. It is discouraged to call this API since this doesn't validate the per-country rules,
* it's up to the user to fill in all fields according to local regulations.
* Please use esp_wifi_set_country_code instead.
* @attention 2. The default country is CHINA {.cc="CN", .schan=1, .nchan=13, policy=WIFI_COUNTRY_POLICY_AUTO}
* @attention 3. When the country policy is WIFI_COUNTRY_POLICY_AUTO, the country info of the AP to which
* the station is connected is used. E.g. if the configured country info is {.cc="USA", .schan=1, .nchan=11}
* and the country info of the AP to which the station is connected is {.cc="JP", .schan=1, .nchan=14}
* then the country info that will be used is {.cc="JP", .schan=1, .nchan=14}. If the station disconnected
* from the AP the country info is set back to the country info of the station automatically,
* {.cc="US", .schan=1, .nchan=11} in the example.
* @attention 4. When the country policy is WIFI_COUNTRY_POLICY_MANUAL, then the configured country info is used always.
* @attention 5. When the country info is changed because of configuration or because the station connects to a different
* external AP, the country IE in probe response/beacon of the soft-AP is also changed.
* @attention 6. The country configuration is stored into flash.
* @attention 7. When this API is called, the PHY init data will switch to the PHY init data type corresponding to the
* country info.
*
* @param country the configured country info
*
* @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
*/
esp_err_t esp_wifi_set_country(const wifi_country_t *country);
/**
* @brief get the current country info
*
* @param country country info
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_INVALID_ARG: invalid argument
*/
esp_err_t esp_wifi_get_country(wifi_country_t *country);
/**
* @brief Set MAC address of the ESP32 WiFi station or the soft-AP interface.
*
* @attention 1. This API can only be called when the interface is disabled
* @attention 2. ESP32 soft-AP and station have different MAC addresses, do not set them to be the same.
* @attention 3. The bit 0 of the first byte of ESP32 MAC address can not be 1. For example, the MAC address
* can set to be "1a:XX:XX:XX:XX:XX", but can not be "15:XX:XX:XX:XX:XX".
*
* @param ifx interface
* @param mac the MAC address
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_INVALID_ARG: invalid argument
* - ESP_ERR_WIFI_IF: invalid interface
* - ESP_ERR_WIFI_MAC: invalid mac address
* - ESP_ERR_WIFI_MODE: WiFi mode is wrong
* - others: refer to error codes in esp_err.h
*/
esp_err_t esp_wifi_set_mac(wifi_interface_t ifx, const uint8_t mac[6]);
/**
* @brief Get mac of specified interface
*
* @param ifx interface
* @param[out] mac store mac of the interface ifx
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_INVALID_ARG: invalid argument
* - ESP_ERR_WIFI_IF: invalid interface
*/
esp_err_t esp_wifi_get_mac(wifi_interface_t ifx, uint8_t mac[6]);
/**
* @brief The RX callback function in the promiscuous mode.
* Each time a packet is received, the callback function will be called.
*
* @param buf Data received. Type of data in buffer (wifi_promiscuous_pkt_t or wifi_pkt_rx_ctrl_t) indicated by 'type' parameter.
* @param type promiscuous packet type.
*
*/
typedef void (* wifi_promiscuous_cb_t)(void *buf, wifi_promiscuous_pkt_type_t type);
/**
* @brief Register the RX callback function in the promiscuous mode.
*
* Each time a packet is received, the registered callback function will be called.
*
* @param cb callback
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
*/
esp_err_t esp_wifi_set_promiscuous_rx_cb(wifi_promiscuous_cb_t cb);
/**
* @brief Enable the promiscuous mode.
*
* @param en false - disable, true - enable
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
*/
esp_err_t esp_wifi_set_promiscuous(bool en);
/**
* @brief Get the promiscuous mode.
*
* @param[out] en store the current status of promiscuous mode
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_INVALID_ARG: invalid argument
*/
esp_err_t esp_wifi_get_promiscuous(bool *en);
/**
* @brief Enable the promiscuous mode packet type filter.
*
* @note The default filter is to filter all packets except WIFI_PKT_MISC
*
* @param filter the packet type filtered in promiscuous mode.
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
*/
esp_err_t esp_wifi_set_promiscuous_filter(const wifi_promiscuous_filter_t *filter);
/**
* @brief Get the promiscuous filter.
*
* @param[out] filter store the current status of promiscuous filter
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_INVALID_ARG: invalid argument
*/
esp_err_t esp_wifi_get_promiscuous_filter(wifi_promiscuous_filter_t *filter);
/**
* @brief Enable subtype filter of the control packet in promiscuous mode.
*
* @note The default filter is to filter none control packet.
*
* @param filter the subtype of the control packet filtered in promiscuous mode.
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
*/
esp_err_t esp_wifi_set_promiscuous_ctrl_filter(const wifi_promiscuous_filter_t *filter);
/**
* @brief Get the subtype filter of the control packet in promiscuous mode.
*
* @param[out] filter store the current status of subtype filter of the control packet in promiscuous mode
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_WIFI_ARG: invalid argument
*/
esp_err_t esp_wifi_get_promiscuous_ctrl_filter(wifi_promiscuous_filter_t *filter);
/**
* @brief Set the configuration of the ESP32 STA or AP
*
* @attention 1. This API can be called only when specified interface is enabled, otherwise, API fail
* @attention 2. For station configuration, bssid_set needs to be 0; and it needs to be 1 only when users need to check the MAC address of the AP.
* @attention 3. ESP32 is limited to only one channel, so when in the soft-AP+station mode, the soft-AP will adjust its channel automatically to be the same as
* the channel of the ESP32 station.
*
* @param interface interface
* @param conf station or soft-AP configuration
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_INVALID_ARG: invalid argument
* - ESP_ERR_WIFI_IF: invalid interface
* - ESP_ERR_WIFI_MODE: invalid mode
* - ESP_ERR_WIFI_PASSWORD: invalid password
* - ESP_ERR_WIFI_NVS: WiFi internal NVS error
* - others: refer to the erro code in esp_err.h
*/
esp_err_t esp_wifi_set_config(wifi_interface_t interface, wifi_config_t *conf);
/**
* @brief Get configuration of specified interface
*
* @param interface interface
* @param[out] conf station or soft-AP configuration
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_INVALID_ARG: invalid argument
* - ESP_ERR_WIFI_IF: invalid interface
*/
esp_err_t esp_wifi_get_config(wifi_interface_t interface, wifi_config_t *conf);
/**
* @brief Get STAs associated with soft-AP
*
* @attention SSC only API
*
* @param[out] sta station list
* ap can get the connected sta's phy mode info through the struct member
* phy_11b，phy_11g，phy_11n，phy_lr in the wifi_sta_info_t struct.
* For example, phy_11b = 1 imply that sta support 802.11b mode
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_INVALID_ARG: invalid argument
* - ESP_ERR_WIFI_MODE: WiFi mode is wrong
* - ESP_ERR_WIFI_CONN: WiFi internal error, the station/soft-AP control block is invalid
*/
esp_err_t esp_wifi_ap_get_sta_list(wifi_sta_list_t *sta);
/**
* @brief Get AID of STA connected with soft-AP
*
* @param mac STA's mac address
* @param[out] aid Store the AID corresponding to STA mac
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_INVALID_ARG: invalid argument
* - ESP_ERR_NOT_FOUND: Requested resource not found
* - ESP_ERR_WIFI_MODE: WiFi mode is wrong
* - ESP_ERR_WIFI_CONN: WiFi internal error, the station/soft-AP control block is invalid
*/
esp_err_t esp_wifi_ap_get_sta_aid(const uint8_t mac[6], uint16_t *aid);
/**
* @brief Set the WiFi API configuration storage type
*
* @attention 1. The default value is WIFI_STORAGE_FLASH
*
* @param storage : storage type
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_INVALID_ARG: invalid argument
*/
esp_err_t esp_wifi_set_storage(wifi_storage_t storage);
/**
* @brief Function signature for received Vendor-Specific Information Element callback.
* @param ctx Context argument, as passed to esp_wifi_set_vendor_ie_cb() when registering callback.
* @param type Information element type, based on frame type received.
* @param sa Source 802.11 address.
* @param vnd_ie Pointer to the vendor specific element data received.
* @param rssi Received signal strength indication.
*/
typedef void (*esp_vendor_ie_cb_t) (void *ctx, wifi_vendor_ie_type_t type, const uint8_t sa[6], const vendor_ie_data_t *vnd_ie, int rssi);
/**
* @brief Set 802.11 Vendor-Specific Information Element
*
* @param enable If true, specified IE is enabled. If false, specified IE is removed.
* @param type Information Element type. Determines the frame type to associate with the IE.
* @param idx Index to set or clear. Each IE type can be associated with up to two elements (indices 0 & 1).
* @param vnd_ie Pointer to vendor specific element data. First 6 bytes should be a header with fields matching vendor_ie_data_t.
* If enable is false, this argument is ignored and can be NULL. Data does not need to remain valid after the function returns.
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init()
* - ESP_ERR_INVALID_ARG: Invalid argument, including if first byte of vnd_ie is not WIFI_VENDOR_IE_ELEMENT_ID (0xDD)
* or second byte is an invalid length.
* - ESP_ERR_NO_MEM: Out of memory
*/
esp_err_t esp_wifi_set_vendor_ie(bool enable, wifi_vendor_ie_type_t type, wifi_vendor_ie_id_t idx, const void *vnd_ie);
/**
* @brief Register Vendor-Specific Information Element monitoring callback.
*
* @param cb Callback function
* @param ctx Context argument, passed to callback function.
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
*/
esp_err_t esp_wifi_set_vendor_ie_cb(esp_vendor_ie_cb_t cb, void *ctx);
/**
* @brief Set maximum transmitting power after WiFi start.
*
* @attention 1. Maximum power before wifi startup is limited by PHY init data bin.
* @attention 2. The value set by this API will be mapped to the max_tx_power of the structure wifi_country_t variable.
* @attention 3. Mapping Table {Power, max_tx_power} = {{8, 2}, {20, 5}, {28, 7}, {34, 8}, {44, 11},
* {52, 13}, {56, 14}, {60, 15}, {66, 16}, {72, 18}, {80, 20}}.
* @attention 4. Param power unit is 0.25dBm, range is [8, 84] corresponding to 2dBm - 20dBm.
* @attention 5. Relationship between set value and actual value. As follows: {set value range, actual value} = {{[8, 19],8}, {[20, 27],20}, {[28, 33],28}, {[34, 43],34}, {[44, 51],44}, {[52, 55],52}, {[56, 59],56}, {[60, 65],60}, {[66, 71],66}, {[72, 79],72}, {[80, 84],80}}.
*
* @param power Maximum WiFi transmitting power.
*
* @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_WIFI_ARG: invalid argument, e.g. parameter is out of range
*/
esp_err_t esp_wifi_set_max_tx_power(int8_t power);
/**
* @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_WIFI_ARG: invalid argument
*/
esp_err_t esp_wifi_get_max_tx_power(int8_t *power);
/**
* @brief Set mask to enable or disable some WiFi events
*
* @attention 1. Mask can be created by logical OR of various WIFI_EVENT_MASK_ constants.
* Events which have corresponding bit set in the mask will not be delivered to the system event handler.
* @attention 2. Default WiFi event mask is WIFI_EVENT_MASK_AP_PROBEREQRECVED.
* @attention 3. There may be lots of stations sending probe request data around.
* Don't unmask this event unless you need to receive probe request data.
*
* @param mask WiFi event mask.
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
*/
esp_err_t esp_wifi_set_event_mask(uint32_t mask);
/**
* @brief Get mask of WiFi events
*
* @param mask WiFi event mask.
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_WIFI_ARG: invalid argument
*/
esp_err_t esp_wifi_get_event_mask(uint32_t *mask);
/**
* @brief Send raw ieee80211 data
*
* @attention Currently only support for sending beacon/probe request/probe response/action and non-QoS
* data frame
*
* @param ifx interface if the Wi-Fi mode is Station, the ifx should be WIFI_IF_STA. If the Wi-Fi
* mode is SoftAP, the ifx should be WIFI_IF_AP. If the Wi-Fi mode is Station+SoftAP, the
* ifx should be WIFI_IF_STA or WIFI_IF_AP. If the ifx is wrong, the API returns ESP_ERR_WIFI_IF.
* @param buffer raw ieee80211 buffer
* @param len the length of raw buffer, the len must be <= 1500 Bytes and >= 24 Bytes
* @param en_sys_seq indicate whether use the internal sequence number. If en_sys_seq is false, the
* sequence in raw buffer is unchanged, otherwise it will be overwritten by WiFi driver with
* the system sequence number.
* Generally, if esp_wifi_80211_tx is called before the Wi-Fi connection has been set up, both
* en_sys_seq==true and en_sys_seq==false are fine. However, if the API is called after the Wi-Fi
* connection has been set up, en_sys_seq must be true, otherwise ESP_ERR_WIFI_ARG is returned.
*
* @return
* - ESP_OK: success
* - ESP_ERR_WIFI_IF: Invalid interface
* - ESP_ERR_INVALID_ARG: Invalid parameter
* - ESP_ERR_WIFI_NO_MEM: out of memory
*/
esp_err_t esp_wifi_80211_tx(wifi_interface_t ifx, const void *buffer, int len, bool en_sys_seq);
/**
* @brief The RX callback function of Channel State Information(CSI) data.
*
* Each time a CSI data is received, the callback function will be called.
*
* @param ctx context argument, passed to esp_wifi_set_csi_rx_cb() when registering callback function.
* @param data CSI data received. The memory that it points to will be deallocated after callback function returns.
*
*/
typedef void (* wifi_csi_cb_t)(void *ctx, wifi_csi_info_t *data);
/**
* @brief Register the RX callback function of CSI data.
*
* Each time a CSI data is received, the callback function will be called.
*
* @param cb callback
* @param ctx context argument, passed to callback function
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
*/
esp_err_t esp_wifi_set_csi_rx_cb(wifi_csi_cb_t cb, void *ctx);
/**
* @brief Set CSI data configuration
*
* @param config configuration
*
* 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 or promiscuous mode is not enabled
* - ESP_ERR_INVALID_ARG: invalid argument
*/
esp_err_t esp_wifi_set_csi_config(const wifi_csi_config_t *config);
/**
* @brief Enable or disable CSI
*
* @param en true - enable, false - disable
*
* 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 or promiscuous mode is not enabled
* - ESP_ERR_INVALID_ARG: invalid argument
*/
esp_err_t esp_wifi_set_csi(bool en);
/**
* @brief Set antenna GPIO configuration
*
* @param config Antenna GPIO configuration.
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_WIFI_ARG: Invalid argument, e.g. parameter is NULL, invalid GPIO number etc
*/
esp_err_t esp_wifi_set_ant_gpio(const wifi_ant_gpio_config_t *config);
/**
* @brief Get current antenna GPIO configuration
*
* @param config Antenna GPIO configuration.
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_WIFI_ARG: invalid argument, e.g. parameter is NULL
*/
esp_err_t esp_wifi_get_ant_gpio(wifi_ant_gpio_config_t *config);
/**
* @brief Set antenna configuration
*
* @param config Antenna configuration.
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_WIFI_ARG: Invalid argument, e.g. parameter is NULL, invalid antenna mode or invalid GPIO number
*/
esp_err_t esp_wifi_set_ant(const wifi_ant_config_t *config);
/**
* @brief Get current antenna configuration
*
* @param config Antenna configuration.
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_WIFI_ARG: invalid argument, e.g. parameter is NULL
*/
esp_err_t esp_wifi_get_ant(wifi_ant_config_t *config);
/**
* @brief Get the TSF time
* In Station mode or SoftAP+Station mode if station is not connected or station doesn't receive at least
* one beacon after connected, will return 0
*
* @attention Enabling power save may cause the return value inaccurate, except WiFi modem sleep
*
* @param interface The interface whose tsf_time is to be retrieved.
*
* @return 0 or the TSF time
*/
int64_t esp_wifi_get_tsf_time(wifi_interface_t interface);
/**
* @brief Set the inactive time of the ESP32 STA or AP
*
* @attention 1. For Station, If the station does not receive a beacon frame from the connected SoftAP during the inactive time,
* disconnect from SoftAP. Default 6s.
* @attention 2. For SoftAP, If the softAP doesn't receive any data from the connected STA during inactive time,
* the softAP will force deauth the STA. Default is 300s.
* @attention 3. The inactive time configuration is not stored into flash
*
* @param ifx interface to be configured.
* @param sec Inactive time. Unit seconds.
*
* @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_WIFI_ARG: invalid argument, For Station, if sec is less than 3. For SoftAP, if sec is less than 10.
*/
esp_err_t esp_wifi_set_inactive_time(wifi_interface_t ifx, uint16_t sec);
/**
* @brief Get inactive time of specified interface
*
* @param ifx Interface to be configured.
* @param sec Inactive time. Unit seconds.
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_WIFI_ARG: invalid argument
*/
esp_err_t esp_wifi_get_inactive_time(wifi_interface_t ifx, uint16_t *sec);
/**
* @brief Dump WiFi statistics
*
* @param modules statistic modules to be dumped
*
* @return
* - ESP_OK: succeed
* - others: failed
*/
esp_err_t esp_wifi_statis_dump(uint32_t modules);
/**
* @brief Set RSSI threshold below which APP will get an event
*
* @attention This API needs to be called every time after WIFI_EVENT_STA_BSS_RSSI_LOW event is received.
*
* @param rssi threshold value in dbm between -100 to 0
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_WIFI_ARG: invalid argument
*/
esp_err_t esp_wifi_set_rssi_threshold(int32_t rssi);
/**
* @brief Start an FTM Initiator session by sending FTM request
* If successful, event WIFI_EVENT_FTM_REPORT is generated with the result of the FTM procedure
*
* @attention Use this API only in Station mode
*
* @param cfg FTM Initiator session configuration
*
* @return
* - ESP_OK: succeed
* - others: failed
*/
esp_err_t esp_wifi_ftm_initiate_session(wifi_ftm_initiator_cfg_t *cfg);
/**
* @brief End the ongoing FTM Initiator session
*
* @attention This API works only on FTM Initiator
*
* @return
* - ESP_OK: succeed
* - others: failed
*/
esp_err_t esp_wifi_ftm_end_session(void);
/**
* @brief Set offset in cm for FTM Responder. An equivalent offset is calculated in picoseconds
* and added in TOD of FTM Measurement frame (T1).
*
* @attention Use this API only in AP mode before performing FTM as responder
*
* @param offset_cm T1 Offset to be added in centimeters
*
* @return
* - ESP_OK: succeed
* - others: failed
*/
esp_err_t esp_wifi_ftm_resp_set_offset(int16_t offset_cm);
/**
* @brief Enable or disable 11b rate of specified interface
*
* @attention 1. This API should be called after esp_wifi_init() and before esp_wifi_start().
* @attention 2. Only when really need to disable 11b rate call this API otherwise don't call this.
*
* @param ifx Interface to be configured.
* @param disable true means disable 11b rate while false means enable 11b rate.
*
* @return
* - ESP_OK: succeed
* - others: failed
*/
esp_err_t esp_wifi_config_11b_rate(wifi_interface_t ifx, bool disable);
/**
* @brief Set wake interval for connectionless modules to wake up periodically.
*
* @attention 1. Only one wake interval for all connectionless modules.
* @attention 2. This configuration could work at connected status.
* When ESP_WIFI_STA_DISCONNECTED_PM_ENABLE is enabled, this configuration could work at disconnected status.
* @attention 3. Event WIFI_EVENT_CONNECTIONLESS_MODULE_WAKE_INTERVAL_START would be posted each time wake interval starts.
* @attention 4. Recommend to configure interval in multiples of hundred. (e.g. 100ms)
*
* @param wake_interval Milliseconds after would the chip wake up, from 1 to 65535.
*/
esp_err_t esp_wifi_connectionless_module_set_wake_interval(uint16_t wake_interval);
/**
* @brief configure country
*
* @attention 1. When ieee80211d_enabled, the country info of the AP to which
* the station is connected is used. E.g. if the configured country is US
* and the country info of the AP to which the station is connected is JP
* then the country info that will be used is JP. If the station disconnected
* from the AP the country info is set back to the country info of the station automatically,
* US in the example.
* @attention 2. When ieee80211d_enabled is disabled, then the configured country info is used always.
* @attention 3. When the country info is changed because of configuration or because the station connects to a different
* external AP, the country IE in probe response/beacon of the soft-AP is also changed.
* @attention 4. The country configuration is stored into flash.
* @attention 5. When this API is called, the PHY init data will switch to the PHY init data type corresponding to the
* country info.
* @attention 6. Supported country codes are "01"(world safe mode) "AT","AU","BE","BG","BR",
* "CA","CH","CN","CY","CZ","DE","DK","EE","ES","FI","FR","GB","GR","HK","HR","HU",
* "IE","IN","IS","IT","JP","KR","LI","LT","LU","LV","MT","MX","NL","NO","NZ","PL","PT",
* "RO","SE","SI","SK","TW","US"
*
* @attention 7. When country code "01" (world safe mode) is set, SoftAP mode won't contain country IE.
* @attention 8. The default country is "01" (world safe mode) and ieee80211d_enabled is TRUE.
*
* @param country the configured country ISO code
* @param ieee80211d_enabled 802.11d is enabled or not
*
* @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
*/
esp_err_t esp_wifi_set_country_code(const char *country, bool ieee80211d_enabled);
/**
* @brief get the current country code
*
* @param country country code
*
* @return
* - ESP_OK: succeed
* - ESP_ERR_WIFI_NOT_INIT: WiFi is not initialized by esp_wifi_init
* - ESP_ERR_INVALID_ARG: invalid argument
*/
esp_err_t esp_wifi_get_country_code(char *country);
/**
* @brief Config 80211 tx rate of specified interface
*
* @attention 1. This API should be called after esp_wifi_init() and before esp_wifi_start().
*
* @param ifx Interface to be configured.
* @param rate Phy rate to be configured.
*
* @return
* - ESP_OK: succeed
* - others: failed
*/
esp_err_t esp_wifi_config_80211_tx_rate(wifi_interface_t ifx, wifi_phy_rate_t rate);
/**
* @brief Disable PMF configuration for specified interface
*
* @attention This API should be called after esp_wifi_set_config() and before esp_wifi_start().
*
* @param ifx Interface to be configured.
*
* @return
* - ESP_OK: succeed
* - others: failed
*/
esp_err_t esp_wifi_disable_pmf_config(wifi_interface_t ifx);
#ifdef __cplusplus
}
#endif
#endif /* __ESP_WIFI_H__ */
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