docs: Add esp_wifi_types.h descriptions

This commit is contained in:
Angus Gratton 2017-09-27 11:09:21 +10:00 committed by Angus Gratton
parent 36692dbac7
commit beba74ff61
2 changed files with 43 additions and 21 deletions

View file

@ -641,11 +641,11 @@ esp_err_t esp_wifi_set_promiscuous(bool en);
esp_err_t esp_wifi_get_promiscuous(bool *en); esp_err_t esp_wifi_get_promiscuous(bool *en);
/** /**
* @brief Enable the promiscuous filter. * @brief Enable the promiscuous mode packet type filter.
* *
* @attention 1. The default filter is to filter all packets except WIFI_PKT_MISC * @note The default filter is to filter all packets except WIFI_PKT_MISC
* *
* @param filter the packet type filtered by promisucous * @param filter the packet type filtered in promiscuous mode.
* *
* @return * @return
* - ESP_OK: succeed * - ESP_OK: succeed
@ -673,7 +673,7 @@ esp_err_t esp_wifi_get_promiscuous_filter(wifi_promiscuous_filter_t *filter);
* @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 * @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. * the channel of the ESP32 station.
* *
* @param ifx interface * @param interface interface
* @param conf station or soft-AP configuration * @param conf station or soft-AP configuration
* *
* @return * @return
@ -686,12 +686,12 @@ esp_err_t esp_wifi_get_promiscuous_filter(wifi_promiscuous_filter_t *filter);
* - ESP_ERR_WIFI_NVS: WiFi internal NVS error * - ESP_ERR_WIFI_NVS: WiFi internal NVS error
* - others: refer to the erro code in esp_err.h * - others: refer to the erro code in esp_err.h
*/ */
esp_err_t esp_wifi_set_config(wifi_interface_t ifx, const wifi_config_t *conf); esp_err_t esp_wifi_set_config(wifi_interface_t interface, wifi_config_t *conf);
/** /**
* @brief Get configuration of specified interface * @brief Get configuration of specified interface
* *
* @param ifx interface * @param interface interface
* @param[out] conf station or soft-AP configuration * @param[out] conf station or soft-AP configuration
* *
* @return * @return
@ -700,7 +700,7 @@ esp_err_t esp_wifi_set_config(wifi_interface_t ifx, const wifi_config_t *conf);
* - ESP_ERR_WIFI_ARG: invalid argument * - ESP_ERR_WIFI_ARG: invalid argument
* - ESP_ERR_WIFI_IF: invalid interface * - ESP_ERR_WIFI_IF: invalid interface
*/ */
esp_err_t esp_wifi_get_config(wifi_interface_t ifx, wifi_config_t *conf); esp_err_t esp_wifi_get_config(wifi_interface_t interface, wifi_config_t *conf);
/** /**
* @brief Get STAs associated with soft-AP * @brief Get STAs associated with soft-AP

View file

@ -44,6 +44,7 @@ typedef enum {
WIFI_COUNTRY_POLICY_MANUAL, /**< Country policy is manual, always use the configured country info */ WIFI_COUNTRY_POLICY_MANUAL, /**< Country policy is manual, always use the configured country info */
} wifi_country_policy_t; } wifi_country_policy_t;
/** @brief Structure describing WiFi country-based regional restrictions. */
typedef struct { typedef struct {
char cc[3]; /**< country code string */ char cc[3]; /**< country code string */
uint8_t schan; /**< start channel */ uint8_t schan; /**< start channel */
@ -104,18 +105,21 @@ typedef enum {
WIFI_SCAN_TYPE_PASSIVE, /**< passive scan */ WIFI_SCAN_TYPE_PASSIVE, /**< passive scan */
} wifi_scan_type_t; } wifi_scan_type_t;
/** @brief Range of active scan times per channel */
typedef struct { typedef struct {
uint32_t min; /**< minimum active scan time per channel, units: millisecond */ uint32_t min; /**< minimum active scan time per channel, units: millisecond */
uint32_t max; /**< maximum active scan time per channel, units: millisecond, values above 1500ms may uint32_t max; /**< maximum active scan time per channel, units: millisecond, values above 1500ms may
cause station to disconnect from AP and are not recommended. */ cause station to disconnect from AP and are not recommended. */
} wifi_active_scan_time_t; } wifi_active_scan_time_t;
/** @brief Aggregate of active & passive scan time per channel */
typedef union { typedef union {
wifi_active_scan_time_t active; /**< active scan time per channel */ wifi_active_scan_time_t active; /**< active scan time per channel, units: millisecond. */
uint32_t passive; /**< passive scan time per channel, units: millisecond, values above 1500ms may uint32_t passive; /**< passive scan time per channel, units: millisecond, values above 1500ms may
cause station to disconnect from AP and are not recommended. */ cause station to disconnect from AP and are not recommended. */
} wifi_scan_time_t; } wifi_scan_time_t;
/** @brief Parameters for an SSID scan. */
typedef struct { typedef struct {
uint8_t *ssid; /**< SSID of AP */ uint8_t *ssid; /**< SSID of AP */
uint8_t *bssid; /**< MAC address of AP */ uint8_t *bssid; /**< MAC address of AP */
@ -135,6 +139,7 @@ typedef enum {
WIFI_CIPHER_TYPE_UNKNOWN, /**< the cipher type is unknown */ WIFI_CIPHER_TYPE_UNKNOWN, /**< the cipher type is unknown */
} wifi_cipher_type_t; } wifi_cipher_type_t;
/** @brief Description of an WiFi AP */
typedef struct { typedef struct {
uint8_t bssid[6]; /**< MAC address of AP */ uint8_t bssid[6]; /**< MAC address of AP */
uint8_t ssid[33]; /**< SSID of AP */ uint8_t ssid[33]; /**< SSID of AP */
@ -162,9 +167,10 @@ typedef enum {
WIFI_CONNECT_AP_BY_SECURITY, /**< Sort match AP in scan list by security mode */ WIFI_CONNECT_AP_BY_SECURITY, /**< Sort match AP in scan list by security mode */
}wifi_sort_method_t; }wifi_sort_method_t;
/** @brief Structure describing parameters for a WiFi fast scan */
typedef struct { typedef struct {
int8_t rssi; /**< The minimum rssi to accept in the fast scan mode */ int8_t rssi; /**< The minimum rssi to accept in the fast scan mode */
wifi_auth_mode_t authmode; /**< The weakest authmode to accept in the fast scan mode */ wifi_auth_mode_t authmode; /**< The weakest authmode to accept in the fast scan mode */
}wifi_fast_scan_threshold_t; }wifi_fast_scan_threshold_t;
typedef enum { typedef enum {
@ -182,6 +188,7 @@ typedef enum {
WIFI_BW_HT40, /* Bandwidth is HT40 */ WIFI_BW_HT40, /* Bandwidth is HT40 */
} wifi_bandwidth_t; } wifi_bandwidth_t;
/** @brief Soft-AP configuration settings for the ESP32 */
typedef struct { typedef struct {
uint8_t ssid[32]; /**< SSID of ESP32 soft-AP */ uint8_t ssid[32]; /**< SSID of ESP32 soft-AP */
uint8_t password[64]; /**< Password of ESP32 soft-AP */ uint8_t password[64]; /**< Password of ESP32 soft-AP */
@ -193,6 +200,7 @@ typedef struct {
uint16_t beacon_interval; /**< Beacon interval, 100 ~ 60000 ms, default 100 ms */ uint16_t beacon_interval; /**< Beacon interval, 100 ~ 60000 ms, default 100 ms */
} wifi_ap_config_t; } wifi_ap_config_t;
/** @brief STA configuration settings for the ESP32 */
typedef struct { typedef struct {
uint8_t ssid[32]; /**< SSID of target AP*/ uint8_t ssid[32]; /**< SSID of target AP*/
uint8_t password[64]; /**< password of target AP*/ uint8_t password[64]; /**< password of target AP*/
@ -204,20 +212,28 @@ typedef struct {
wifi_fast_scan_threshold_t threshold; /**< When scan_method is set to WIFI_FAST_SCAN, only APs which have an auth mode that is more secure than the selected auth mode and a signal stronger than the minimum RSSI will be used. */ wifi_fast_scan_threshold_t threshold; /**< When scan_method is set to WIFI_FAST_SCAN, only APs which have an auth mode that is more secure than the selected auth mode and a signal stronger than the minimum RSSI will be used. */
} wifi_sta_config_t; } wifi_sta_config_t;
/** @brief Configuration data for ESP32 AP or STA.
*
* The usage of this union (for ap or sta configuration) is determined by the accompanying
* interface argument passed to esp_wifi_set_config() or esp_wifi_get_config()
*
*/
typedef union { typedef union {
wifi_ap_config_t ap; /**< configuration of AP */ wifi_ap_config_t ap; /**< configuration of AP */
wifi_sta_config_t sta; /**< configuration of STA */ wifi_sta_config_t sta; /**< configuration of STA */
} wifi_config_t; } wifi_config_t;
/** @brief Description of STA associated with AP */
typedef struct { typedef struct {
uint8_t mac[6]; /**< mac address of sta that associated with ESP32 soft-AP */ uint8_t mac[6]; /**< mac address */
} wifi_sta_info_t; } wifi_sta_info_t;
#define ESP_WIFI_MAX_CONN_NUM (10) /**< max number of stations which can connect to ESP32 soft-AP */ #define ESP_WIFI_MAX_CONN_NUM (10) /**< max number of stations which can connect to ESP32 soft-AP */
/** @brief List of stations associated with the ESP32 Soft-AP */
typedef struct { typedef struct {
wifi_sta_info_t sta[ESP_WIFI_MAX_CONN_NUM]; /**< station list */ wifi_sta_info_t sta[ESP_WIFI_MAX_CONN_NUM]; /**< station list */
int num; /**< number of station that associated with ESP32 soft-AP */ int num; /**< number of stations in the list (other entries are invalid) */
} wifi_sta_list_t; } wifi_sta_list_t;
typedef enum { typedef enum {
@ -263,6 +279,7 @@ typedef struct {
uint8_t payload[0]; /**< Payload. Length is equal to value in 'length' field, minus 4. */ uint8_t payload[0]; /**< Payload. Length is equal to value in 'length' field, minus 4. */
} vendor_ie_data_t; } vendor_ie_data_t;
/** @brief Received packet radio metadata header, this is the common header at the beginning of all promiscuous mode RX callback buffers */
typedef struct { typedef struct {
signed rssi:8; /**< signal intensity of packet */ signed rssi:8; /**< signal intensity of packet */
unsigned rate:5; /**< data rate */ unsigned rate:5; /**< data rate */
@ -277,7 +294,7 @@ typedef struct {
unsigned :1; /**< reserve */ unsigned :1; /**< reserve */
unsigned aggregation:1; /**< Aggregation */ unsigned aggregation:1; /**< Aggregation */
unsigned stbc:2; /**< STBC */ unsigned stbc:2; /**< STBC */
unsigned fec_coding:1; /**< if is 11n packet, shows if is LDPC packet or not */ unsigned fec_coding:1; /**< Flag is set for 11n packets which are LDPC */
unsigned sgi:1; /**< SGI */ unsigned sgi:1; /**< SGI */
unsigned noise_floor:8; /**< noise floor */ unsigned noise_floor:8; /**< noise floor */
unsigned ampdu_cnt:8; /**< ampdu cnt */ unsigned ampdu_cnt:8; /**< ampdu cnt */
@ -286,24 +303,28 @@ typedef struct {
unsigned timestamp:32; /**< timestamp */ unsigned timestamp:32; /**< timestamp */
unsigned :32; /**< reserve */ unsigned :32; /**< reserve */
unsigned :32; /**< reserve */ unsigned :32; /**< reserve */
unsigned sig_len:12; /**< It is really lenth of packet */ unsigned sig_len:12; /**< length of packet */
unsigned :12; /**< reserve */ unsigned :12; /**< reserve */
unsigned rx_state:8; /**< rx state */ unsigned rx_state:8; /**< rx state */
} wifi_pkt_rx_ctrl_t; } wifi_pkt_rx_ctrl_t;
/** @brief Payload passed to 'buf' parameter of promiscuous mode RX callback.
*/
typedef struct { typedef struct {
wifi_pkt_rx_ctrl_t rx_ctrl; wifi_pkt_rx_ctrl_t rx_ctrl; /**< metadata header */
uint8_t payload[0]; /**< ieee80211 packet buff, The length of payload is described by sig_len */ uint8_t payload[0]; /**< Data or management payload. Length of payload is described by rx_ctrl.sig_len. Type of content determined by packet type argument of callback. */
} wifi_promiscuous_pkt_t; } wifi_promiscuous_pkt_t;
/** /**
* @brief Promiscuous frame type * @brief Promiscuous frame type
*
* Passed to promiscuous mode RX callback to indicate the type of parameter in the buffer.
* *
*/ */
typedef enum { typedef enum {
WIFI_PKT_MGMT, /**< management type, receive packet buf is wifi_promiscuous_pkt_t */ WIFI_PKT_MGMT, /**< Management frame, indicates 'buf' argument is wifi_promiscuous_pkt_t */
WIFI_PKT_DATA, /**< data type, receive packet buf is wifi_promiscuous_pkt_t */ WIFI_PKT_DATA, /**< Data frame, indiciates 'buf' argument is wifi_promiscuous_pkt_t */
WIFI_PKT_MISC, /**< other type, such as MIMO etc, receive packet buf is wifi_promiscuous_pkt_t but the payload is NULL!!! */ WIFI_PKT_MISC, /**< Other type, such as MIMO etc. 'buf' argument is wifi_promiscuous_pkt_t but the payload is zero length. */
} wifi_promiscuous_pkt_type_t; } wifi_promiscuous_pkt_type_t;
@ -314,8 +335,9 @@ typedef enum {
#define WIFI_PROMIS_FILTER_MASK_DATA_MPDU (1<<3) /**< filter the MPDU which is a kind of WIFI_PKT_DATA */ #define WIFI_PROMIS_FILTER_MASK_DATA_MPDU (1<<3) /**< filter the MPDU which is a kind of WIFI_PKT_DATA */
#define WIFI_PROMIS_FILTER_MASK_DATA_AMPDU (1<<4) /**< filter the AMPDU which is a kind of WIFI_PKT_DATA */ #define WIFI_PROMIS_FILTER_MASK_DATA_AMPDU (1<<4) /**< filter the AMPDU which is a kind of WIFI_PKT_DATA */
/** @brief Mask for filtering different packet types in promiscuous mode. */
typedef struct { typedef struct {
uint32_t filter_mask; uint32_t filter_mask; /**< OR of one or more filter values WIFI_PROMIS_FILTER_* */
} wifi_promiscuous_filter_t; } wifi_promiscuous_filter_t;
#ifdef __cplusplus #ifdef __cplusplus