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esp-idf/components/esp32/include/esp_wifi.h

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// 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.
#ifndef __ESP_WIFI_H__
#define __ESP_WIFI_H__
#include <stdint.h>
#include <stdbool.h>
#include "esp_err.h"
#include "rom/queue.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
WIFI_MODE_NULL = 0, /**< null mode */
WIFI_MODE_STA, /**< WiFi station mode */
WIFI_MODE_AP, /**< WiFi soft-AP mode */
WIFI_MODE_APSTA, /**< WiFi station + soft-AP mode */
WIFI_MODE_MAX
} wifi_mode_t;
typedef enum {
WIFI_IF_STA = 0, /**< ESP32 station interface */
WIFI_IF_AP, /**< ESP32 soft-AP interface */
WIFI_IF_MAX
} wifi_interface_t;
typedef enum {
WIFI_COUNTRY_CN = 0,
WIFI_COUNTRY_JP,
WIFI_COUNTRY_US,
WIFI_COUNTRY_EU,
WIFI_COUNTRY_MAX
} wifi_country_t;
typedef enum {
WIFI_AUTH_OPEN = 0, /**< authenticate mode : open */
WIFI_AUTH_WEP, /**< authenticate mode : WEP */
WIFI_AUTH_WPA_PSK, /**< authenticate mode : WPA_PSK */
WIFI_AUTH_WPA2_PSK, /**< authenticate mode : WPA2_PSK */
WIFI_AUTH_WPA_WPA2_PSK, /**< authenticate mode : WPA_WPA2_PSK */
WIFI_AUTH_MAX
} wifi_auth_mode_t;
enum {
WIFI_REASON_UNSPECIFIED = 1,
WIFI_REASON_AUTH_EXPIRE = 2,
WIFI_REASON_AUTH_LEAVE = 3,
WIFI_REASON_ASSOC_EXPIRE = 4,
WIFI_REASON_ASSOC_TOOMANY = 5,
WIFI_REASON_NOT_AUTHED = 6,
WIFI_REASON_NOT_ASSOCED = 7,
WIFI_REASON_ASSOC_LEAVE = 8,
WIFI_REASON_ASSOC_NOT_AUTHED = 9,
WIFI_REASON_DISASSOC_PWRCAP_BAD = 10,
WIFI_REASON_DISASSOC_SUPCHAN_BAD = 11,
WIFI_REASON_IE_INVALID = 13,
WIFI_REASON_MIC_FAILURE = 14,
WIFI_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
WIFI_REASON_GROUP_KEY_UPDATE_TIMEOUT = 16,
WIFI_REASON_IE_IN_4WAY_DIFFERS = 17,
WIFI_REASON_GROUP_CIPHER_INVALID = 18,
WIFI_REASON_PAIRWISE_CIPHER_INVALID = 19,
WIFI_REASON_AKMP_INVALID = 20,
WIFI_REASON_UNSUPP_RSN_IE_VERSION = 21,
WIFI_REASON_INVALID_RSN_IE_CAP = 22,
WIFI_REASON_802_1X_AUTH_FAILED = 23,
WIFI_REASON_CIPHER_SUITE_REJECTED = 24,
WIFI_REASON_BEACON_TIMEOUT = 200,
WIFI_REASON_NO_AP_FOUND = 201,
WIFI_REASON_AUTH_FAIL = 202,
WIFI_REASON_ASSOC_FAIL = 203,
WIFI_REASON_HANDSHAKE_TIMEOUT = 204,
};
typedef enum {
WIFI_SECOND_CHAN_NONE = 0,
WIFI_SECOND_CHAN_ABOVE,
WIFI_SECOND_CHAN_BELOW,
} wifi_second_chan_t;
typedef esp_err_t (* wifi_startup_cb_t)(void);
void esp_wifi_startup(wifi_startup_cb_t cb);
typedef struct {
void *event_q;
uint8_t rx_ba_win; /**< TBC */
uint8_t tx_ba_win; /**< TBC */
uint8_t rx_buf_cnt; /**< TBC */
uint8_t tx_buf_cnt; /**< TBC */
} wifi_init_config_t;
esp_err_t esp_wifi_init(wifi_init_config_t *config);
esp_err_t esp_wifi_deinit(void);
esp_err_t esp_wifi_set_mode(wifi_mode_t mode);
esp_err_t esp_wifi_get_mode(wifi_mode_t *mode);
esp_err_t esp_wifi_start(void);
esp_err_t esp_wifi_stop(void);
esp_err_t esp_wifi_connect(void);
esp_err_t esp_wifi_disconnect(void);
esp_err_t esp_wifi_clear_fast_connect(void);
esp_err_t esp_wifi_kick_station(uint16_t aid);
typedef struct {
char *ssid; /**< SSID of AP */
uint8_t *bssid; /**< MAC address of AP */
uint8_t channel; /**< channel, scan the specific channel */
bool show_hidden; /**< enable to scan AP whose SSID is hidden */
} wifi_scan_config_t;
esp_err_t esp_wifi_scan_start(wifi_scan_config_t *conf, bool block);
esp_err_t esp_wifi_scan_stop(void);
esp_err_t esp_wifi_get_ap_num(uint16_t *number);
typedef struct {
uint8_t bssid[6]; /**< MAC address of AP */
uint8_t ssid[32]; /**< SSID of AP */
uint8_t primary; /**< channel of AP */
wifi_second_chan_t second; /**< second channel of AP */
signed char rssi; /**< signal strength of AP */
wifi_auth_mode_t authmode; /**< authmode of AP */
}wifi_ap_list_t;
esp_err_t esp_wifi_get_ap_list(uint16_t *number, wifi_ap_list_t *ap_list);
typedef enum {
WIFI_PS_NONE,
WIFI_PS_MODEM,
WIFI_PS_LIGHT,
WIFI_PS_MAC,
} wifi_ps_type_t;
esp_err_t esp_wifi_set_ps(wifi_ps_type_t type);
esp_err_t esp_wifi_get_ps(wifi_ps_type_t *type);
#define WIFI_PROTOCOL_11B 1
#define WIFI_PROTOCOL_11G 2
#define WIFI_PROTOCOL_11N 4
esp_err_t esp_wifi_set_protocol(wifi_interface_t ifx, uint8_t protocol);
esp_err_t esp_wifi_get_protocol(wifi_interface_t ifx, uint8_t *protocol);
typedef enum {
WIFI_BW_HT20 = 0,
WIFI_BW_HT40,
} wifi_bandwidth_t;
esp_err_t esp_wifi_set_bandwidth(wifi_interface_t ifx, wifi_bandwidth_t bw);
esp_err_t esp_wifi_get_bandwidth(wifi_interface_t ifx, wifi_bandwidth_t *bw);
esp_err_t esp_wifi_set_channel(uint8_t primary, wifi_second_chan_t second);
esp_err_t esp_wifi_get_channel(uint8_t *primary, wifi_second_chan_t *second);
esp_err_t esp_wifi_set_country(wifi_country_t country);
esp_err_t esp_wifi_get_country(wifi_country_t *country);
esp_err_t esp_wifi_set_mac(wifi_interface_t ifx, uint8_t mac[6]);
esp_err_t esp_wifi_get_mac(wifi_interface_t ifx, uint8_t mac[6]);
typedef void (* wifi_promiscuous_cb_t)(void *buf, uint16_t len);
esp_err_t esp_wifi_set_promiscuous_rx_cb(wifi_promiscuous_cb_t cb);
esp_err_t esp_wifi_set_promiscuous(uint8_t enable);
esp_err_t esp_wifi_get_promiscuous(uint8_t *enable);
typedef struct {
char ssid[32]; /**< SSID of ESP32 soft-AP */
char password[64]; /**< Password of ESP32 soft-AP */
uint8_t ssid_len; /**< Length of SSID. If softap_config.ssid_len==0, check the SSID until there is a termination character; otherwise, set the SSID length according to softap_config.ssid_len. */
uint8_t channel; /**< Channel of ESP32 soft-AP */
wifi_auth_mode_t authmode; /**< Auth mode of ESP32 soft-AP. Do not support AUTH_WEP in soft-AP mode */
uint8_t ssid_hidden; /**< Broadcast SSID or not, default 0, broadcast the SSID */
uint8_t max_connection; /**< Max number of stations allowed to connect in, default 4, max 4 */
uint16_t beacon_interval; /**< Beacon interval, 100 ~ 60000 ms, default 100 */
} wifi_ap_config_t;
typedef struct {
char ssid[32]; /**< SSID of target AP*/
char password[64]; /**< password of target AP*/
bool bssid_set; /**< whether set MAC address of target AP or not. Generally, station_config.bssid_set needs to be 0; and it needs to be 1 only when users need to check the MAC address of the AP.*/
uint8_t bssid[6]; /**< MAC address of target AP*/
} wifi_sta_config_t;
typedef union {
wifi_ap_config_t ap;
wifi_sta_config_t sta;
} wifi_config_t;
esp_err_t esp_wifi_set_config(wifi_interface_t ifx, wifi_config_t *conf);
esp_err_t esp_wifi_get_config(wifi_interface_t ifx, wifi_config_t *conf);
struct station_info {
STAILQ_ENTRY(station_info) next;
uint8_t bssid[6];
};
esp_err_t esp_wifi_get_station_list(struct station_info **station);
esp_err_t esp_wifi_free_station_list(void);
typedef enum {
WIFI_STORAGE_RAM,
WIFI_STORAGE_FLASH,
} wifi_storage_t;
esp_err_t esp_wifi_set_storage(wifi_storage_t storage);
typedef esp_err_t (*wifi_rxcb_t)(void *buffer, uint16_t len, void* eb);
esp_err_t esp_wifi_reg_rxcb(wifi_interface_t ifx, wifi_rxcb_t fn);
esp_err_t esp_wifi_set_auto_connect(bool en);
esp_err_t esp_wifi_get_auto_connect(bool *en);
#ifdef __cplusplus
}
#endif
#endif /* __ESP_WIFI_H__ */
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