WHD Wi-Fi SoftAP API

General Description

Wi-Fi APIs to perform SoftAP related functionalities.

Functions
whd_result_t	whd_wifi_init_ap (whd_interface_t ifp, whd_ssid_t *ssid, whd_security_t auth_type, const uint8_t *security_key, uint8_t key_length, uint16_t chanspec)
	Initialises an infrastructure WiFi network (SoftAP) More...
whd_result_t	whd_wifi_start_ap (whd_interface_t ifp)
	Start the infrastructure WiFi network (SoftAP) using the parameter set by whd_wifi_init_ap() and optionaly by whd_wifi_manage_custom_ie() More...
whd_result_t	whd_wifi_stop_ap (whd_interface_t ifp)
	Stops an existing infrastructure WiFi network. More...
whd_result_t	whd_wifi_ap_get_max_assoc (whd_interface_t ifp, uint32_t *max_assoc)
	Get the maximum number of associations supported by AP interfaces. More...
whd_result_t	whd_wifi_get_associated_client_list (whd_interface_t ifp, void *client_list_buffer, uint16_t buffer_length)
	Gets the current number of active connections. More...
whd_result_t	whd_wifi_deauth_sta (whd_interface_t ifp, whd_mac_t *mac, whd_dot11_reason_code_t reason)
	Deauthenticates a STA which may or may not be associated to SoftAP. More...
whd_result_t	whd_wifi_get_ap_info (whd_interface_t ifp, whd_bss_info_t *ap_info, whd_security_t *security)
	Retrieves AP information. More...
whd_result_t	whd_wifi_ap_set_beacon_interval (whd_interface_t ifp, uint16_t interval)
	Set the beacon interval. More...
whd_result_t	whd_wifi_ap_set_dtim_interval (whd_interface_t ifp, uint16_t interval)
	Set the DTIM interval. More...

Function Documentation

whd_wifi_init_ap()

whd_result_t whd_wifi_init_ap	(	whd_interface_t	ifp,
		whd_ssid_t *	ssid,
		whd_security_t	auth_type,
		const uint8_t *	security_key,
		uint8_t	key_length,
		uint16_t	chanspec
	)

Initialises an infrastructure WiFi network (SoftAP)

Parameters

ifp	Pointer to handle instance of whd interface
ssid	A null terminated string containing the SSID name of the network to join
auth_type	Authentication type
security_key	A byte array containing the cleartext security key for the network
key_length	The length of the security_key in bytes.
chanspec	The desired chanspec

Returns

WHD_SUCCESS if successfully initialises an AP Error code if an error occurred

whd_wifi_start_ap()

whd_result_t whd_wifi_start_ap

(

whd_interface_t

ifp

)

Start the infrastructure WiFi network (SoftAP) using the parameter set by whd_wifi_init_ap() and optionaly by whd_wifi_manage_custom_ie()

Returns

WHD_SUCCESS if successfully creates an AP Error code if an error occurred

whd_wifi_stop_ap()

whd_result_t whd_wifi_stop_ap

(

whd_interface_t

ifp

)

Stops an existing infrastructure WiFi network.

Parameters

ifp	Pointer to handle instance of whd interface

Returns

WHD_SUCCESS if the AP is successfully stopped or if the AP has not yet been brought up Error code if an error occurred

whd_wifi_ap_get_max_assoc()

whd_result_t whd_wifi_ap_get_max_assoc	(	whd_interface_t	ifp,
		uint32_t *	max_assoc
	)

Get the maximum number of associations supported by AP interfaces.

Parameters

ifp	Pointer to handle instance of whd interface
max_assoc	The maximum number of associations supported by Soft AP interfaces.

Returns

WHD_SUCCESS if the maximum number of associated clients was successfully read WHD_ERROR if the maximum number of associated clients was not successfully read

whd_wifi_get_associated_client_list()

whd_result_t whd_wifi_get_associated_client_list	(	whd_interface_t	ifp,
		void *	client_list_buffer,
		uint16_t	buffer_length
	)

Gets the current number of active connections.

Parameters

ifp	Pointer to handle instance of whd interface
client_list_buffer	Buffer to store list of associated clients
buffer_length	Length of client list buffer

Returns

WHD_SUCCESS if the active connections was successfully read WHD_ERROR if the active connections was not successfully read

whd_wifi_deauth_sta()

whd_result_t whd_wifi_deauth_sta	(	whd_interface_t	ifp,
		whd_mac_t *	mac,
		whd_dot11_reason_code_t	reason
	)

Deauthenticates a STA which may or may not be associated to SoftAP.

Parameters

ifp	Pointer to handle instance of whd interface
mac	Pointer to a variable containing the MAC address to which the deauthentication will be sent NULL mac address will deauthenticate all the associated STAs
reason	Deauthentication reason code

Returns

WHD_SUCCESS On successful deauthentication of the other STA WHD_ERROR If an error occurred

whd_wifi_get_ap_info()

whd_result_t whd_wifi_get_ap_info	(	whd_interface_t	ifp,
		whd_bss_info_t *	ap_info,
		whd_security_t *	security
	)

Retrieves AP information.

Parameters

ifp	Pointer to handle instance of whd interface
ap_info	Returns a whd_bss_info_t structure containing AP details
security	Authentication type

Returns

WHD_SUCCESS if the AP info was successfully retrieved Error code if the AP info was not successfully retrieved

whd_wifi_ap_set_beacon_interval()

whd_result_t whd_wifi_ap_set_beacon_interval	(	whd_interface_t	ifp,
		uint16_t	interval
	)

Set the beacon interval.

Note that the value needs to be set before ap_start in order to beacon interval to take effect.

Parameters

ifp	Pointer to handle instance of whd interface
interval	Beacon interval in time units (Default: 100 time units = 102.4 ms)

Returns

WHD_SUCCESS or Error code

whd_wifi_ap_set_dtim_interval()

whd_result_t whd_wifi_ap_set_dtim_interval	(	whd_interface_t	ifp,
		uint16_t	interval
	)

Set the DTIM interval.

Note that the value needs to be set before ap_start in order to DTIM interval to take effect.

Parameters

ifp	Pointer to handle instance of whd interface
interval	DTIM interval, in unit of beacon interval

Returns

WHD_SUCCESS or Error code