This section contains the API's that are common for both target and controller functionality. More...

Functions
void	wiced_bt_avrc_register (UINT16 mtu, UINT16 mtu_br, UINT8 sec_mask)
	Function wiced_bt_avrc_register. More...

uint16_t	wiced_bt_avrc_open (uint8_t p_handle, wiced_bt_avrc_conn_cb_t p_ccb, wiced_bt_device_address_t peer_addr)
	Function wiced_bt_avrc_open. More...

uint16_t	wiced_bt_avrc_close (uint8_t handle)
	Function wiced_bt_avrc_close. More...

uint16_t	wiced_bt_avrc_open_browse (uint8_t handle, uint8_t conn_role)
	Function wiced_bt_avrc_open_browse. More...

uint16_t	wiced_bt_avrc_close_browse (uint8_t handle)
	Function wiced_bt_avrc_close_browse. More...

uint16_t	wiced_bt_avrc_set_buffer_pool (uint16_t buffer_size, uint16_t buffer_count)
	Function wiced_bt_avrc_set_buffer_pool. More...

uint16_t	wiced_bt_avrc_msg_req (uint8_t handle, uint8_t label, uint8_t ctype, BT_HDR *p_pkt)
	Function wiced_bt_avrc_msg_req. More...

uint16_t	wiced_bt_avrc_unit_cmd (uint8_t handle, uint8_t label)
	Function wiced_bt_avrc_unit_cmd. More...

uint16_t	wiced_bt_avrc_sub_cmd (uint8_t handle, uint8_t label, uint8_t page)
	Function wiced_bt_avrc_sub_cmd. More...

uint16_t	wiced_bt_avrc_pass_cmd (uint8_t handle, uint8_t label, wiced_bt_avrc_msg_pass_t *p_msg)
	Function wiced_bt_avrc_pass_cmd. More...

uint16_t	wiced_bt_avrc_pass_rsp (uint8_t handle, uint8_t label, wiced_bt_avrc_msg_pass_t *p_msg)
	Function wiced_bt_avrc_pass_rsp. More...

uint16_t	wiced_bt_avrc_vendor_cmd (uint8_t handle, uint8_t label, wiced_bt_avrc_msg_vendor_t *p_msg)
	Function wiced_bt_avrc_vendor_cmd. More...

uint16_t	wiced_bt_avrc_vendor_rsp (uint8_t handle, uint8_t label, wiced_bt_avrc_msg_vendor_t *p_msg)
	Function wiced_bt_avrc_vendor_rsp. More...

uint8_t	wiced_bt_avrc_set_trace_level (uint8_t new_level)

wiced_bt_avrc_sts_t	wiced_bt_avrc_parse_command (wiced_bt_avrc_msg_t p_msg, wiced_bt_avrc_command_t p_result, uint8_t *p_buf, uint16_t buf_len)
	Function wiced_bt_avrc_parse_command. More...

wiced_bt_avrc_sts_t	wiced_bt_avrc_parse_response (wiced_bt_avrc_msg_t p_msg, wiced_bt_avrc_response_t p_result, uint8_t *p_buf, uint16_t buf_len)
	Function wiced_bt_avrc_parse_response. More...

wiced_bt_avrc_sts_t	wiced_bt_avrc_bld_command (wiced_bt_avrc_command_t p_cmd, BT_HDR *pp_pkt)
	Function wiced_bt_avrc_bld_command. More...

wiced_bt_avrc_sts_t	wiced_bt_avrc_bld_response (uint8_t handle, wiced_bt_avrc_response_t p_rsp, BT_HDR *pp_pkt)
	Function wiced_bt_avrc_bld_response. More...

wiced_bool_t	wiced_bt_avrc_is_valid_avc_type (uint8_t pdu_id, uint8_t ctype)

wiced_bool_t	wiced_bt_avrc_is_valid_player_attr (uint8_t attr)

uint16_t	wiced_bt_avrc_get_ctrl_mtu (void)

uint16_t	wiced_bt_avrc_get_data_mtu (void)

Detailed Description

This section contains the API's that are common for both target and controller functionality.

Function Documentation

wiced_bt_avrc_sts_t wiced_bt_avrc_bld_command	(	wiced_bt_avrc_command_t *	p_cmd,
		BT_HDR **	pp_pkt
	)

Function wiced_bt_avrc_bld_command.

Build AVRCP command

Parameters

[out]	pp_pkt	: Pointer to pointer to the built command
[in]	p_cmd	: Pointer to the structure to build the command from

Returns: Status code (see AVRC status codes) AVRC_STS_NO_ERROR, if the message in p_data is parsed successfully. Otherwise, the error code defined by AVRCP 1.4

wiced_bt_avrc_sts_t wiced_bt_avrc_bld_response	(	uint8_t	handle,
		wiced_bt_avrc_response_t *	p_rsp,
		BT_HDR **	pp_pkt
	)

Function wiced_bt_avrc_bld_response.

Build AVRCP response

Parameters

[out]	pp_pkt	: Pointer to pointer to the built response
[in]	handle	: Connection handle
[in]	p_rsp	: Pointer to the structure to build the response from

Returns: Status code (see AVRC status codes) AVRC_STS_NO_ERROR, if the message in p_data is parsed successfully. Otherwise, the error code defined by AVRCP 1.4

uint16_t wiced_bt_avrc_close ( uint8_t handle )

Function wiced_bt_avrc_close.

Close AVRCP connection

Parameters

[in] handle : Handle of connection to close

Returns: Result code (see AVRC result codes)

uint16_t wiced_bt_avrc_close_browse ( uint8_t handle )

Function wiced_bt_avrc_close_browse.

Close AVRCP browsing connection

Parameters

[in] handle : Connection handle

Returns: Result code (see AVRC result codes)

uint16_t wiced_bt_avrc_msg_req	(	uint8_t	handle,
		uint8_t	label,
		uint8_t	ctype,
		BT_HDR *	p_pkt
	)

Function wiced_bt_avrc_msg_req.

Send an AVRC message

Note: It is expected that p_pkt->offset is at least AVCT_MSG_OFFSET p_pkt->layer_specific is AVCT_DATA_CTRL or AVCT_DATA_BROWSE p_pkt->event is AVRC_OP_VENDOR, AVRC_OP_PASS_THRU or AVRC_OP_BROWSING The above BT_HDR settings are set by the AVRC_Bld* functions.

Parameters

[in]	handle	: Connection handle
[in]	label	: Transaction label
[in]	ctype	: Message type (see AVRC message types)
[in]	p_pkt	: Pointer to the buffer holding the AVRC message

Returns: Result code (see AVRC result codes)

uint16_t wiced_bt_avrc_open	(	uint8_t *	p_handle,
		wiced_bt_avrc_conn_cb_t *	p_ccb,
		wiced_bt_device_address_t	peer_addr
	)

Function wiced_bt_avrc_open.

Open AVRC connection (as intiator or acceptor); register notification callbacks.

The connection role may be AVRC controller or target.

The connection remains available to the application until wiced_bt_avrc_close() is called.

On receiving AVRC_CLOSE_IND_EVT, acceptor connections remain in acceptor mode (no need to re-open the connection)

Parameters

[out]	p_handle	: Connection handle (valid if AVRC_SUCCESS is returned)
[in]	p_ccb	: AVRC connection control block (callbacks and role configuration)
[in]	peer_addr	: Peer device address (if initiator)

Returns: Result code (see AVRC result codes)

uint16_t wiced_bt_avrc_open_browse	(	uint8_t	handle,
		uint8_t	conn_role
	)

Function wiced_bt_avrc_open_browse.

Open AVRCP browsing connection, either as initiator or acceptor.

Parameters

[in]	handle	: Connection handle (obtained from wiced_bt_avrc_open)
[in]	conn_role	: Initiator or acceptor of the connection (see AVRC connection roles)

Returns: Result code (see AVRC result codes)

wiced_bt_avrc_sts_t wiced_bt_avrc_parse_command	(	wiced_bt_avrc_msg_t *	p_msg,
		wiced_bt_avrc_command_t *	p_result,
		uint8_t *	p_buf,
		uint16_t	buf_len
	)

Function wiced_bt_avrc_parse_command.

Parse incoming AVRCP command message.

Parameters

[out]	p_result	: Pointer to the parsed command
[in]	p_msg	: Pointer to the message to parse
[in]	p_buf	: Pointer to the buffer for parsing avrc messages
[in]	buf_len	: Size of the buffer

Returns: Status code (see AVRC status codes) AVRC_STS_NO_ERROR, if the message in p_data is parsed successfully. Otherwise, the error code defined by AVRCP 1.4

wiced_bt_avrc_sts_t wiced_bt_avrc_parse_response	(	wiced_bt_avrc_msg_t *	p_msg,
		wiced_bt_avrc_response_t *	p_result,
		uint8_t *	p_buf,
		uint16_t	buf_len
	)

Function wiced_bt_avrc_parse_response.

Parse incoming AVRCP response message.

Parameters

[out]	p_result	: Pointer to the parsed response
[in]	p_msg	: Pointer to the message to parse
[in]	p_buf	: Pointer to the buffer for parsing avrc messages
[in]	buf_len	: Size of the buffer

Returns: Status code (see AVRC status codes) AVRC_STS_NO_ERROR, if the message in p_data is parsed successfully. Otherwise, the error code defined by AVRCP 1.4

uint16_t wiced_bt_avrc_pass_cmd	(	uint8_t	handle,
		uint8_t	label,
		wiced_bt_avrc_msg_pass_t *	p_msg
	)

Function wiced_bt_avrc_pass_cmd.

Send a PASS THROUGH command to the peer device. This function can only be called for controller role connections. Any response message from the peer is passed back through the wiced_bt_avrc_msg_cback_t callback function.

Parameters

[in]	handle	: Connection handle
[in]	label	: Transaction label
[in]	p_msg	: Pointer to the pass through command

Returns: Result code (see AVRC result codes)

uint16_t wiced_bt_avrc_pass_rsp	(	uint8_t	handle,
		uint8_t	label,
		wiced_bt_avrc_msg_pass_t *	p_msg
	)

Function wiced_bt_avrc_pass_rsp.

Send a PASS THROUGH response to the peer device. This function can only be called for target role connections. This function must be called when a PASS THROUGH command message is received from the peer through the wiced_bt_avrc_msg_cback_t callback function.

Parameters

[in]	handle	: Connection handle
[in]	label	: Transaction label
[in]	p_msg	: Pointer to the pass through response

Returns: Result code (see AVRC result codes)

void wiced_bt_avrc_register	(	UINT16	mtu,
		UINT16	mtu_br,
		UINT8	sec_mask
	)

Function wiced_bt_avrc_register.

This function initializes AVRCP and prepares the protocol stack for its use.

This function must be called once by the system or platform using AVRCP before the other functions of the API an be used

Parameters

[in]	mtu	: Control Channel MTU (Min Value = 48, default value = L2CAP MTU)
[in]	mtu_br	: Browsing Channel MTU (Min Value = 335, default value = L2CAP MTU)
[in]	sec_mask	: Security requirement mask

Returns: None

uint16_t wiced_bt_avrc_set_buffer_pool	(	uint16_t	buffer_size,
		uint16_t	buffer_count
	)

Function wiced_bt_avrc_set_buffer_pool.

If buffer_size > 0 and there's no private pool for re-assembly, this function allocates a private buffer pool for re-assembling incoming messages If buffer_size = 0 and there's a private buffer pool for re-assembly, this function deallocates the private buffer pool for re-assembling incoming messages

Parameters

[in]	buffer_size	: buffer size for the private pool
[in]	buffer_count	: the number of buffers in this new pool

Returns: Result code (see AVRC result codes)

Note : This API will create separate private pool so please increase max_number_of_buffer_pools by one (in wiced_bt_cfg_settings_t structure).

uint16_t wiced_bt_avrc_sub_cmd	(	uint8_t	handle,
		uint8_t	label,
		uint8_t	page
	)

Function wiced_bt_avrc_sub_cmd.

Send a SUBUNIT INFO command to the peer device. This function can only be called for controller role connections. Any response message from the peer is passed back through the wiced_bt_avrc_msg_cback_t callback function.

Parameters

[in]	handle	: Connection handle
[in]	label	: Transaction label
[in]	page	: Specifies which subunit table is requested. For AVRCP it is typically zero. Value range is 0-7.

Returns: Result code (see AVRC result codes)

uint16_t wiced_bt_avrc_unit_cmd	(	uint8_t	handle,
		uint8_t	label
	)

Function wiced_bt_avrc_unit_cmd.

Send a UNIT INFO command to the peer device. This function can only be called for controller role connections. Any response message from the peer is passed back through the wiced_bt_avrc_msg_cback_t callback function.

Parameters

[in]	handle	: Connection handle
[in]	label	: Transaction label

Returns: Result code (see AVRC result codes)

uint16_t wiced_bt_avrc_vendor_cmd	(	uint8_t	handle,
		uint8_t	label,
		wiced_bt_avrc_msg_vendor_t *	p_msg
	)

Function wiced_bt_avrc_vendor_cmd.

Send a VENDOR DEPENDENT command to the peer device. This function can only be called for controller role connections. Any response message from the peer is passed back through the wiced_bt_avrc_msg_cback_t callback function.

Parameters

[in]	handle	: Connection handle
[in]	label	: Transaction label
[in]	p_msg	: Pointer to the vendor dependent command

Returns: Result code (see AVRC result codes)

uint16_t wiced_bt_avrc_vendor_rsp	(	uint8_t	handle,
		uint8_t	label,
		wiced_bt_avrc_msg_vendor_t *	p_msg
	)

Function wiced_bt_avrc_vendor_rsp.

Send a VENDOR DEPENDENT response to the peer device. This function can only be called for target role connections. This function must be called when a VENDOR DEPENDENT command message is received from the peer through the wiced_bt_avrc_msg_cback_t callback function.

Parameters

[in]	handle	: Connection handle
[in]	label	: Transaction label
[in]	p_msg	: Pointer to the vendor dependent response

Returns: Result code (see AVRC result codes)


			AIROC^™ BTSDK v4.4 - Documentation

Functions

Detailed Description

Function Documentation