63e5cbbd66
component/bt: Added the Macro for the classic BT support. component/bt: added the bluedroid deinit method. component/bt: allow more classic BT global variables to use dynamic allocation scheme 1. allocate memory for AVDT, AVCT control blocks when dynamic memory is used 2. allow SBC decoder buffer to use dynamic allocation scheme component/bt: Remove the wrong changes in bt/Kconfig & Added the GATTS_INCLUDED in the gatt_free function when gatt service close. component/bt: Shorten the abbreviation BT_ALLOCATION_FROM_SPIRAM_FIRST and BT_BLE_DYNAMIC_ENV_MEMORY two macros.
395 lines
14 KiB
C
395 lines
14 KiB
C
/******************************************************************************
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*
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* Copyright (C) 2002-2012 Broadcom Corporation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************/
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/******************************************************************************
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*
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* ommon API for the Advanced Audio Distribution Profile (A2DP)
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*
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******************************************************************************/
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#include <string.h>
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#include "bt_target.h"
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#include "sdpdefs.h"
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#include "a2d_api.h"
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#include "a2d_int.h"
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#include "avdt_api.h"
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#include "allocator.h"
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#if (defined(A2D_INCLUDED) && A2D_INCLUDED == TRUE)
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/*****************************************************************************
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** Global data
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*****************************************************************************/
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#if A2D_DYNAMIC_MEMORY == FALSE
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tA2D_CB a2d_cb;
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#else
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tA2D_CB *a2d_cb_ptr;
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#endif
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/******************************************************************************
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**
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** Function a2d_sdp_cback
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**
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** Description This is the SDP callback function used by A2D_FindService.
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** This function will be executed by SDP when the service
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** search is completed. If the search is successful, it
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** finds the first record in the database that matches the
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** UUID of the search. Then retrieves various parameters
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** from the record. When it is finished it calls the
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** application callback function.
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**
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** Returns Nothing.
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**
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******************************************************************************/
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static void a2d_sdp_cback(UINT16 status)
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{
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tSDP_DISC_REC *p_rec = NULL;
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tSDP_DISC_ATTR *p_attr;
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BOOLEAN found = FALSE;
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tA2D_Service a2d_svc;
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tSDP_PROTOCOL_ELEM elem;
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A2D_TRACE_API("a2d_sdp_cback status: %d", status);
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if (status == SDP_SUCCESS) {
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/* loop through all records we found */
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do {
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/* get next record; if none found, we're done */
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if ((p_rec = SDP_FindServiceInDb(a2d_cb.find.p_db,
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a2d_cb.find.service_uuid, p_rec)) == NULL) {
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break;
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}
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memset(&a2d_svc, 0, sizeof(tA2D_Service));
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/* get service name */
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if ((p_attr = SDP_FindAttributeInRec(p_rec,
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ATTR_ID_SERVICE_NAME)) != NULL) {
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a2d_svc.p_service_name = (char *) p_attr->attr_value.v.array;
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a2d_svc.service_len = SDP_DISC_ATTR_LEN(p_attr->attr_len_type);
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}
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/* get provider name */
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if ((p_attr = SDP_FindAttributeInRec(p_rec,
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ATTR_ID_PROVIDER_NAME)) != NULL) {
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a2d_svc.p_provider_name = (char *) p_attr->attr_value.v.array;
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a2d_svc.provider_len = SDP_DISC_ATTR_LEN(p_attr->attr_len_type);
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}
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/* get supported features */
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if ((p_attr = SDP_FindAttributeInRec(p_rec,
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ATTR_ID_SUPPORTED_FEATURES)) != NULL) {
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a2d_svc.features = p_attr->attr_value.v.u16;
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}
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/* get AVDTP version */
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if (SDP_FindProtocolListElemInRec(p_rec, UUID_PROTOCOL_AVDTP, &elem)) {
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a2d_svc.avdt_version = elem.params[0];
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A2D_TRACE_DEBUG("avdt_version: 0x%x", a2d_svc.avdt_version);
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}
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/* we've got everything, we're done */
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found = TRUE;
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break;
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} while (TRUE);
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}
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a2d_cb.find.service_uuid = 0;
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/* return info from sdp record in app callback function */
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if (a2d_cb.find.p_cback != NULL) {
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(*a2d_cb.find.p_cback)(found, &a2d_svc);
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}
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return;
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}
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/*******************************************************************************
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**
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** Function a2d_set_avdt_sdp_ver
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**
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** Description This function allows the script wrapper to change the
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** avdt version of a2dp.
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**
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** Returns None
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**
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*******************************************************************************/
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void a2d_set_avdt_sdp_ver (UINT16 avdt_sdp_ver)
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{
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a2d_cb.avdt_sdp_ver = avdt_sdp_ver;
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}
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/******************************************************************************
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**
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** Function A2D_AddRecord
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**
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** Description This function is called by a server application to add
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** SRC or SNK information to an SDP record. Prior to
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** calling this function the application must call
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** SDP_CreateRecord() to create an SDP record.
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**
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** Input Parameters:
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** service_uuid: Indicates SRC or SNK.
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**
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** p_service_name: Pointer to a null-terminated character
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** string containing the service name.
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**
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** p_provider_name: Pointer to a null-terminated character
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** string containing the provider name.
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**
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** features: Profile supported features.
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**
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** sdp_handle: SDP handle returned by SDP_CreateRecord().
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**
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** Output Parameters:
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** None.
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**
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** Returns A2D_SUCCESS if function execution succeeded,
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** A2D_INVALID_PARAMS if bad parameters are given.
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** A2D_FAIL if function execution failed.
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**
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******************************************************************************/
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tA2D_STATUS A2D_AddRecord(UINT16 service_uuid, char *p_service_name, char *p_provider_name,
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UINT16 features, UINT32 sdp_handle)
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{
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UINT16 browse_list[1];
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BOOLEAN result = TRUE;
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UINT8 temp[8];
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UINT8 *p;
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tSDP_PROTOCOL_ELEM proto_list [A2D_NUM_PROTO_ELEMS];
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A2D_TRACE_API("A2D_AddRecord uuid: %x", service_uuid);
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if ( (sdp_handle == 0) ||
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(service_uuid != UUID_SERVCLASS_AUDIO_SOURCE && service_uuid != UUID_SERVCLASS_AUDIO_SINK) ) {
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return A2D_INVALID_PARAMS;
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}
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/* add service class id list */
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result &= SDP_AddServiceClassIdList(sdp_handle, 1, &service_uuid);
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memset((void *) proto_list, 0 , A2D_NUM_PROTO_ELEMS * sizeof(tSDP_PROTOCOL_ELEM));
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/* add protocol descriptor list */
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proto_list[0].protocol_uuid = UUID_PROTOCOL_L2CAP;
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proto_list[0].num_params = 1;
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proto_list[0].params[0] = AVDT_PSM;
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proto_list[1].protocol_uuid = UUID_PROTOCOL_AVDTP;
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proto_list[1].num_params = 1;
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proto_list[1].params[0] = a2d_cb.avdt_sdp_ver;
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result &= SDP_AddProtocolList(sdp_handle, A2D_NUM_PROTO_ELEMS, proto_list);
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/* add profile descriptor list */
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result &= SDP_AddProfileDescriptorList(sdp_handle, UUID_SERVCLASS_ADV_AUDIO_DISTRIBUTION, A2D_VERSION);
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/* add supported feature */
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if (features != 0) {
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p = temp;
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UINT16_TO_BE_STREAM(p, features);
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result &= SDP_AddAttribute(sdp_handle, ATTR_ID_SUPPORTED_FEATURES, UINT_DESC_TYPE,
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(UINT32)2, (UINT8 *)temp);
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}
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/* add provider name */
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if (p_provider_name != NULL) {
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result &= SDP_AddAttribute(sdp_handle, ATTR_ID_PROVIDER_NAME, TEXT_STR_DESC_TYPE,
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(UINT32)(strlen(p_provider_name) + 1), (UINT8 *) p_provider_name);
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}
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/* add service name */
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if (p_service_name != NULL) {
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result &= SDP_AddAttribute(sdp_handle, ATTR_ID_SERVICE_NAME, TEXT_STR_DESC_TYPE,
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(UINT32)(strlen(p_service_name) + 1), (UINT8 *) p_service_name);
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}
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/* add browse group list */
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browse_list[0] = UUID_SERVCLASS_PUBLIC_BROWSE_GROUP;
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result &= SDP_AddUuidSequence(sdp_handle, ATTR_ID_BROWSE_GROUP_LIST, 1, browse_list);
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return (result ? A2D_SUCCESS : A2D_FAIL);
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}
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/******************************************************************************
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**
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** Function A2D_FindService
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**
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** Description This function is called by a client application to
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** perform service discovery and retrieve SRC or SNK SDP
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** record information from a server. Information is
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** returned for the first service record found on the
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** server that matches the service UUID. The callback
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** function will be executed when service discovery is
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** complete. There can only be one outstanding call to
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** A2D_FindService() at a time; the application must wait
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** for the callback before it makes another call to
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** the function.
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**
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** Input Parameters:
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** service_uuid: Indicates SRC or SNK.
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**
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** bd_addr: BD address of the peer device.
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**
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** p_db: Pointer to the information to initialize
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** the discovery database.
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**
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** p_cback: Pointer to the A2D_FindService()
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** callback function.
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**
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** Output Parameters:
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** None.
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**
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** Returns A2D_SUCCESS if function execution succeeded,
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** A2D_INVALID_PARAMS if bad parameters are given.
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** A2D_BUSY if discovery is already in progress.
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** A2D_FAIL if function execution failed.
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**
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******************************************************************************/
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tA2D_STATUS A2D_FindService(UINT16 service_uuid, BD_ADDR bd_addr,
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tA2D_SDP_DB_PARAMS *p_db, tA2D_FIND_CBACK *p_cback)
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{
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tSDP_UUID uuid_list;
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BOOLEAN result = TRUE;
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UINT16 a2d_attr_list[] = {ATTR_ID_SERVICE_CLASS_ID_LIST, /* update A2D_NUM_ATTR, if changed */
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ATTR_ID_BT_PROFILE_DESC_LIST,
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ATTR_ID_SUPPORTED_FEATURES,
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ATTR_ID_SERVICE_NAME,
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ATTR_ID_PROTOCOL_DESC_LIST,
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ATTR_ID_PROVIDER_NAME
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};
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A2D_TRACE_API("A2D_FindService uuid: %x", service_uuid);
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if ( (service_uuid != UUID_SERVCLASS_AUDIO_SOURCE && service_uuid != UUID_SERVCLASS_AUDIO_SINK) ||
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p_db == NULL || p_db->p_db == NULL || p_cback == NULL) {
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return A2D_INVALID_PARAMS;
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}
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if ( a2d_cb.find.service_uuid == UUID_SERVCLASS_AUDIO_SOURCE ||
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a2d_cb.find.service_uuid == UUID_SERVCLASS_AUDIO_SINK) {
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return A2D_BUSY;
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}
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/* set up discovery database */
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uuid_list.len = LEN_UUID_16;
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uuid_list.uu.uuid16 = service_uuid;
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if (p_db->p_attrs == NULL || p_db->num_attr == 0) {
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p_db->p_attrs = a2d_attr_list;
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p_db->num_attr = A2D_NUM_ATTR;
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}
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result = SDP_InitDiscoveryDb(p_db->p_db, p_db->db_len, 1, &uuid_list, p_db->num_attr,
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p_db->p_attrs);
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if (result == TRUE) {
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/* store service_uuid and discovery db pointer */
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a2d_cb.find.p_db = p_db->p_db;
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a2d_cb.find.service_uuid = service_uuid;
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a2d_cb.find.p_cback = p_cback;
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/* perform service search */
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result = SDP_ServiceSearchAttributeRequest(bd_addr, p_db->p_db, a2d_sdp_cback);
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if (FALSE == result) {
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a2d_cb.find.service_uuid = 0;
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}
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}
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return (result ? A2D_SUCCESS : A2D_FAIL);
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}
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/******************************************************************************
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**
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** Function A2D_SetTraceLevel
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**
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** Description Sets the trace level for A2D. If 0xff is passed, the
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** current trace level is returned.
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**
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** Input Parameters:
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** new_level: The level to set the A2D tracing to:
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** 0xff-returns the current setting.
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** 0-turns off tracing.
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** >= 1-Errors.
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** >= 2-Warnings.
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** >= 3-APIs.
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** >= 4-Events.
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** >= 5-Debug.
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**
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** Returns The new trace level or current trace level if
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** the input parameter is 0xff.
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**
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******************************************************************************/
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UINT8 A2D_SetTraceLevel (UINT8 new_level)
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{
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if (new_level != 0xFF) {
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a2d_cb.trace_level = new_level;
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}
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return (a2d_cb.trace_level);
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}
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/******************************************************************************
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** Function A2D_BitsSet
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**
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** Description Check the given num for the number of bits set
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** Returns A2D_SET_ONE_BIT, if one and only one bit is set
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** A2D_SET_ZERO_BIT, if all bits clear
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** A2D_SET_MULTL_BIT, if multiple bits are set
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******************************************************************************/
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UINT8 A2D_BitsSet(UINT8 num)
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{
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UINT8 count;
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BOOLEAN res;
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if (num == 0) {
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res = A2D_SET_ZERO_BIT;
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} else {
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count = (num & (num - 1));
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res = ((count == 0) ? A2D_SET_ONE_BIT : A2D_SET_MULTL_BIT);
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}
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return res;
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}
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/*******************************************************************************
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**
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** Function A2D_Init
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**
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** Description This function is called to initialize the control block
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** for this layer. It must be called before accessing any
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** other API functions for this layer. It is typically called
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** once during the start up of the stack.
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**
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** Returns void
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**
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*******************************************************************************/
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void A2D_Init(void)
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{
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#if (A2D_DYNAMIC_MEMORY)
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a2d_cb_ptr = (tA2D_CB *)osi_malloc(sizeof(tA2D_CB));
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#endif /* #if (A2D_DYNAMIC_MEMORY) */
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memset(&a2d_cb, 0, sizeof(tA2D_CB));
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a2d_cb.avdt_sdp_ver = AVDT_VERSION;
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#if defined(A2D_INITIAL_TRACE_LEVEL)
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a2d_cb.trace_level = A2D_INITIAL_TRACE_LEVEL;
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#else
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a2d_cb.trace_level = BT_TRACE_LEVEL_NONE;
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#endif
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}
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#endif /* #if (defined(A2D_INCLUDED) && A2D_INCLUDED == TRUE) */
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