esp-idf/components/wpa_supplicant/esp_supplicant/include/esp_wps.h
2024-04-16 10:58:37 +05:30

197 lines
7.4 KiB
C

/*
* SPDX-FileCopyrightText: 2019-2023 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef __ESP_WPS_H__
#define __ESP_WPS_H__
#include <stdint.h>
#include <stdbool.h>
#include "esp_err.h"
#include "esp_wifi_crypto_types.h"
#include "esp_compiler.h"
#ifdef __cplusplus
extern "C" {
#endif
/** \defgroup WiFi_APIs WiFi Related APIs
* @brief WiFi APIs
*/
/** @addtogroup WiFi_APIs
* @{
*/
/** @addtogroup WPS_APIs
* @{
*/
#define ESP_ERR_WIFI_REGISTRAR (ESP_ERR_WIFI_BASE + 51) /*!< WPS registrar is not supported */
#define ESP_ERR_WIFI_WPS_TYPE (ESP_ERR_WIFI_BASE + 52) /*!< WPS type error */
#define ESP_ERR_WIFI_WPS_SM (ESP_ERR_WIFI_BASE + 53) /*!< WPS state machine is not initialized */
/**
* @brief Enumeration of WPS (Wi-Fi Protected Setup) types.
*/
typedef enum wps_type {
WPS_TYPE_DISABLE = 0, /**< WPS is disabled */
WPS_TYPE_PBC, /**< WPS Push Button Configuration method */
WPS_TYPE_PIN, /**< WPS PIN (Personal Identification Number) method */
WPS_TYPE_MAX /**< Maximum value for WPS type enumeration */
} wps_type_t;
#define WPS_MAX_MANUFACTURER_LEN 65 /**< Maximum length of the manufacturer name in WPS information */
#define WPS_MAX_MODEL_NUMBER_LEN 33 /**< Maximum length of the model number in WPS information */
#define WPS_MAX_MODEL_NAME_LEN 33 /**< Maximum length of the model name in WPS information */
#define WPS_MAX_DEVICE_NAME_LEN 33 /**< Maximum length of the device name in WPS information */
/**
* @brief Structure representing WPS factory information for ESP device.
*
* This structure holds various strings representing factory information for a device, such as the manufacturer,
* model number, model name, and device name. Each string is a null-terminated character array. If any of the
* strings are empty, the default values are used.
*/
typedef struct {
char manufacturer[WPS_MAX_MANUFACTURER_LEN]; /*!< Manufacturer of the device. If empty, the default manufacturer is used. */
char model_number[WPS_MAX_MODEL_NUMBER_LEN]; /*!< Model number of the device. If empty, the default model number is used. */
char model_name[WPS_MAX_MODEL_NAME_LEN]; /*!< Model name of the device. If empty, the default model name is used. */
char device_name[WPS_MAX_DEVICE_NAME_LEN]; /*!< Device name. If empty, the default device name is used. */
} wps_factory_information_t;
#define PIN_LEN 9 /*!< The length of the WPS PIN (Personal Identification Number). */
/**
* @brief Structure representing configuration settings for WPS (Wi-Fi Protected Setup).
*
* This structure encapsulates various configuration settings for WPS, including the WPS type (PBC or PIN),
* factory information that will be shown in the WPS Information Element (IE), and a PIN if the WPS type is
* set to PIN.
*/
typedef struct {
wps_type_t wps_type; /*!< The type of WPS to be used (PBC or PIN). */
wps_factory_information_t factory_info; /*!< Factory information to be shown in the WPS Information Element (IE). Vendor can choose to display their own information. */
char pin[PIN_LEN]; /*!< WPS PIN (Personal Identification Number) used when wps_type is set to WPS_TYPE_PIN. */
} esp_wps_config_t;
/**
* @def WPS_CONFIG_INIT_DEFAULT(type)
* @brief Initialize a default WPS configuration structure with specified WPS type.
*
* This macro initializes a `esp_wps_config_t` structure with default values for the specified WPS type.
* It sets the WPS type, factory information (including default manufacturer, model number, model name, and device name),
* and a default PIN value if applicable.
*
* @param type The WPS type to be used (PBC or PIN).
* @return An initialized `esp_wps_config_t` structure with the specified WPS type and default values.
*/
#define WPS_CONFIG_INIT_DEFAULT(type) { \
.wps_type = type, \
.factory_info = { \
ESP_COMPILER_DESIGNATED_INIT_AGGREGATE_TYPE_STR(manufacturer, "ESPRESSIF") \
ESP_COMPILER_DESIGNATED_INIT_AGGREGATE_TYPE_STR(model_number, CONFIG_IDF_TARGET) \
ESP_COMPILER_DESIGNATED_INIT_AGGREGATE_TYPE_STR(model_name, "ESPRESSIF IOT") \
ESP_COMPILER_DESIGNATED_INIT_AGGREGATE_TYPE_STR(device_name, "ESP DEVICE") \
}, \
ESP_COMPILER_DESIGNATED_INIT_AGGREGATE_TYPE_STR(pin, "00000000") \
}
/**
* @brief Enable Wi-Fi WPS function.
*
* @param config : WPS config to be used in connection
*
* @return
* - ESP_OK : succeed
* - ESP_ERR_WIFI_WPS_TYPE : wps type is invalid
* - ESP_ERR_WIFI_WPS_MODE : wifi is not in station mode or sniffer mode is on
* - ESP_FAIL : wps initialization fails
*/
esp_err_t esp_wifi_wps_enable(const esp_wps_config_t *config);
/**
* @brief Disable Wi-Fi WPS function and release resource it taken.
*
* @return
* - ESP_OK : succeed
* - ESP_ERR_WIFI_WPS_MODE : wifi is not in station mode or sniffer mode is on
*/
esp_err_t esp_wifi_wps_disable(void);
/**
* @brief Start WPS session.
*
* @attention WPS can only be used when station is enabled. WPS needs to be enabled first for using this API.
*
* @param timeout_ms : deprecated: This argument's value will have not effect in functionality of API.
* The argument will be removed in future.
* The app should start WPS and register for WIFI events to get the status.
* WPS status is updated through WPS events. See wifi_event_t enum for more info.
*
* @return
* - ESP_OK : succeed
* - ESP_ERR_WIFI_WPS_TYPE : wps type is invalid
* - ESP_ERR_WIFI_WPS_MODE : wifi is not in station mode or sniffer mode is on
* - ESP_ERR_WIFI_WPS_SM : wps state machine is not initialized
* - ESP_FAIL : wps initialization fails
*/
esp_err_t esp_wifi_wps_start(int timeout_ms);
/**
* @brief Enable Wi-Fi AP WPS function.
*
* @attention WPS can only be used when softAP is enabled.
*
* @param config: wps configuration to be used.
*
* @return
* - ESP_OK : succeed
* - ESP_ERR_WIFI_WPS_TYPE : wps type is invalid
* - ESP_ERR_WIFI_WPS_MODE : wifi is not in station mode or sniffer mode is on
* - ESP_FAIL : wps initialization fails
*/
esp_err_t esp_wifi_ap_wps_enable(const esp_wps_config_t *config);
/**
* @brief Disable Wi-Fi SoftAP WPS function and release resource it taken.
*
* @return
* - ESP_OK : succeed
* - ESP_ERR_WIFI_WPS_MODE : wifi is not in station mode or sniffer mode is on
*/
esp_err_t esp_wifi_ap_wps_disable(void);
/**
* @brief WPS starts to work.
*
* @attention WPS can only be used when softAP is enabled.
*
* @param pin : Pin to be used in case of WPS mode is pin.
* If Pin is not provided, device will use the pin generated/provided
* during esp_wifi_ap_wps_enable() and reported in WIFI_EVENT_AP_WPS_RG_PIN
*
* @return
* - ESP_OK : succeed
* - ESP_ERR_WIFI_WPS_TYPE : wps type is invalid
* - ESP_ERR_WIFI_WPS_MODE : wifi is not in station mode or sniffer mode is on
* - ESP_ERR_WIFI_WPS_SM : wps state machine is not initialized
* - ESP_FAIL : wps initialization fails
*/
esp_err_t esp_wifi_ap_wps_start(const unsigned char *pin);
/**
* @}
*/
/**
* @}
*/
#ifdef __cplusplus
}
#endif
#endif /* __ESP_WPS_H__ */