| /****************************************************************************** |
| * |
| * Copyright (C) 2000-2012 Broadcom Corporation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at: |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| ******************************************************************************/ |
| |
| // |
| // A2DP API |
| // |
| |
| #ifndef A2DP_API_H |
| #define A2DP_API_H |
| |
| #include <inttypes.h> |
| |
| #include "a2dp_constants.h" |
| #include "a2dp_error_codes.h" |
| #include "sdp_api.h" |
| |
| /***************************************************************************** |
| * constants |
| ****************************************************************************/ |
| |
| // |
| // |MAX_PCM_FRAME_NUM_PER_TICK| controls how many buffers we can hold in |
| // the A2DP buffer queues during temporary link congestion. |
| // |
| #ifndef MAX_PCM_FRAME_NUM_PER_TICK |
| #define MAX_PCM_FRAME_NUM_PER_TICK 14 |
| #endif |
| |
| /* the return values from A2DP_BitsSet() */ |
| #define A2DP_SET_ONE_BIT 1 /* one and only one bit is set */ |
| #define A2DP_SET_ZERO_BIT 0 /* all bits clear */ |
| #define A2DP_SET_MULTL_BIT 2 /* multiple bits are set */ |
| |
| /***************************************************************************** |
| * type definitions |
| ****************************************************************************/ |
| |
| /* This data type is used in A2DP_FindService() to initialize the SDP database |
| * to hold the result service search. */ |
| typedef struct { |
| uint32_t db_len; /* Length, in bytes, of the discovery database */ |
| uint16_t num_attr; /* The number of attributes in p_attrs */ |
| uint16_t* p_attrs; /* The attributes filter. If NULL, A2DP API sets the |
| * attribute filter |
| * to be ATTR_ID_SERVICE_CLASS_ID_LIST, |
| * ATTR_ID_BT_PROFILE_DESC_LIST, |
| * ATTR_ID_SUPPORTED_FEATURES, ATTR_ID_SERVICE_NAME and |
| * ATTR_ID_PROVIDER_NAME. |
| * If not NULL, the input is taken as the filter. */ |
| } tA2DP_SDP_DB_PARAMS; |
| |
| /* This data type is used in tA2DP_FIND_CBACK to report the result of the SDP |
| * discovery process. */ |
| typedef struct { |
| uint16_t service_len; /* Length, in bytes, of the service name */ |
| uint16_t provider_len; /* Length, in bytes, of the provider name */ |
| char* p_service_name; /* Pointer the service name. This character string may |
| * not be null terminated. |
| * Use the service_len parameter to safely copy this |
| * string */ |
| char* p_provider_name; /* Pointer the provider name. This character string |
| * may not be null terminated. |
| * Use the provider_len parameter to safely copy this |
| * string */ |
| uint16_t features; /* Profile supported features */ |
| uint16_t avdt_version; /* AVDTP protocol version */ |
| } tA2DP_Service; |
| |
| /* This is the callback to notify the result of the SDP discovery process. */ |
| typedef void(tA2DP_FIND_CBACK)(bool found, tA2DP_Service* p_service); |
| |
| /***************************************************************************** |
| * external function declarations |
| ****************************************************************************/ |
| /****************************************************************************** |
| * |
| * Function A2DP_AddRecord |
| * |
| * Description This function is called by a server application to add |
| * SRC or SNK information to an SDP record. Prior to |
| * calling this function the application must call |
| * SDP_CreateRecord() to create an SDP record. |
| * |
| * Input Parameters: |
| * service_uuid: Indicates SRC or SNK. |
| * |
| * p_service_name: Pointer to a null-terminated character |
| * string containing the service name. |
| * |
| * p_provider_name: Pointer to a null-terminated character |
| * string containing the provider name. |
| * |
| * features: Profile supported features. |
| * |
| * sdp_handle: SDP handle returned by SDP_CreateRecord(). |
| * |
| * Output Parameters: |
| * None. |
| * |
| * Returns A2DP_SUCCESS if function execution succeeded, |
| * A2DP_INVALID_PARAMS if bad parameters are given. |
| * A2DP_FAIL if function execution failed. |
| * |
| *****************************************************************************/ |
| extern tA2DP_STATUS A2DP_AddRecord(uint16_t service_uuid, char* p_service_name, |
| char* p_provider_name, uint16_t features, |
| uint32_t sdp_handle); |
| |
| /****************************************************************************** |
| * |
| * Function A2DP_FindService |
| * |
| * Description This function is called by a client application to |
| * perform service discovery and retrieve SRC or SNK SDP |
| * record information from a server. Information is |
| * returned for the first service record found on the |
| * server that matches the service UUID. The callback |
| * function will be executed when service discovery is |
| * complete. There can only be one outstanding call to |
| * A2DP_FindService() at a time; the application must wait |
| * for the callback before it makes another call to |
| * the function. |
| * |
| * Input Parameters: |
| * service_uuid: Indicates SRC or SNK. |
| * |
| * bd_addr: BD address of the peer device. |
| * |
| * p_db: Pointer to the information to initialize |
| * the discovery database. |
| * |
| * p_cback: Pointer to the A2DP_FindService() |
| * callback function. |
| * |
| * Output Parameters: |
| * None. |
| * |
| * Returns A2DP_SUCCESS if function execution succeeded, |
| * A2DP_INVALID_PARAMS if bad parameters are given. |
| * A2DP_BUSY if discovery is already in progress. |
| * A2DP_FAIL if function execution failed. |
| * |
| *****************************************************************************/ |
| extern tA2DP_STATUS A2DP_FindService(uint16_t service_uuid, |
| const RawAddress& bd_addr, |
| tA2DP_SDP_DB_PARAMS* p_db, |
| tA2DP_FIND_CBACK* p_cback); |
| |
| /****************************************************************************** |
| * |
| * Function A2DP_GetAvdtpVersion() |
| * |
| * Description Gets the local version of AVDTP |
| * |
| * Returns The local version of AVDTP. |
| * |
| *****************************************************************************/ |
| extern uint16_t A2DP_GetAvdtpVersion(void); |
| |
| /****************************************************************************** |
| * |
| * Function A2DP_SetTraceLevel |
| * |
| * Description Sets the trace level for A2D. If 0xff is passed, the |
| * current trace level is returned. |
| * |
| * Input Parameters: |
| * new_level: The level to set the A2DP tracing to: |
| * 0xff-returns the current setting. |
| * 0-turns off tracing. |
| * >= 1-Errors. |
| * >= 2-Warnings. |
| * >= 3-APIs. |
| * >= 4-Events. |
| * >= 5-Debug. |
| * |
| * Returns The new trace level or current trace level if |
| * the input parameter is 0xff. |
| * |
| *****************************************************************************/ |
| extern uint8_t A2DP_SetTraceLevel(uint8_t new_level); |
| |
| /****************************************************************************** |
| * Function A2DP_BitsSet |
| * |
| * Description Check the given num for the number of bits set |
| * Returns A2DP_SET_ONE_BIT, if one and only one bit is set |
| * A2DP_SET_ZERO_BIT, if all bits clear |
| * A2DP_SET_MULTL_BIT, if multiple bits are set |
| *****************************************************************************/ |
| extern uint8_t A2DP_BitsSet(uint64_t num); |
| |
| // Initializes the A2DP control block. |
| void A2DP_Init(void); |
| |
| #endif // A2DP_API_H |
