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@ -136,7 +136,78 @@ void SDP_ProcessPacket(void* Data, Bluetooth_Channel_t* Channel)
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*/
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*/
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static void SDP_ProcessServiceSearch(const SDP_PDUHeader_t* const SDPHeader, Bluetooth_Channel_t* const Channel)
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static void SDP_ProcessServiceSearch(const SDP_PDUHeader_t* const SDPHeader, Bluetooth_Channel_t* const Channel)
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{
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{
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const void* CurrentParameter = ((void*)SDPHeader + sizeof(SDP_PDUHeader_t));
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BT_SDP_DEBUG(1, "<< Service Search");
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BT_SDP_DEBUG(1, "<< Service Search");
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/* Retrieve the list of search UUIDs from the request */
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uint8_t UUIDList[12][UUID_SIZE_BYTES];
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uint8_t TotalUUIDs = SDP_GetUUIDList(UUIDList, &CurrentParameter);
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BT_SDP_DEBUG(2, "-- Total UUIDs: %d", TotalUUIDs);
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/* Retrieve the maximum service record reponse count from the request */
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uint16_t MaxServiceRecordCount = SwapEndian_16(*((uint16_t*)CurrentParameter));
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CurrentParameter += sizeof(uint16_t);
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BT_SDP_DEBUG(2, "-- Max Return Service Count: 0x%04X", MaxServiceRecordCount);
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struct
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{
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SDP_PDUHeader_t SDPHeader;
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uint16_t TotalServiceRecordCount;
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uint16_t CurrentServiceRecordCount;
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uint8_t ResponseData[100];
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} ResponsePacket;
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/* Create a pointer to the buffer to indicate the current location for response data to be added */
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void* CurrResponsePos = ResponsePacket.ResponseData;
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uint8_t AddedServiceHandles = 0;
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/* Search through the list of UUIDs one at a time looking for matching search Attributes */
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for (uint8_t CurrUUIDItem = 0; CurrUUIDItem < TotalUUIDs; CurrUUIDItem++)
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{
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/* Retrieve the attribute table of the current search UUID from the global UUID table if it exists */
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ServiceAttributeTable_t* AttributeTable = SDP_GetAttributeTable(UUIDList[CurrUUIDItem]);
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/* If the UUID does not exist in the global UUID table, continue on to the next search UUID */
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if (AttributeTable == NULL)
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continue;
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BT_SDP_DEBUG(2, " -- Found UUID %d in table", CurrUUIDItem);
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/* Retrieve a PROGMEM pointer to the value of the service's record handle */
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const void* AttributeValue = SDP_GetAttributeValue(AttributeTable, SDP_ATTRIBUTE_ID_SERVICERECORDHANDLE);
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/* Copy over the service record handle to the response list */
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uint8_t AttrHeaderSize;
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SDP_GetLocalAttributeContainerSize(AttributeValue, &AttrHeaderSize);
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memcpy_P(CurrResponsePos, AttributeValue + AttrHeaderSize, sizeof(uint32_t));
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CurrResponsePos += AttrHeaderSize + sizeof(uint32_t);
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/* Increment the total number of service records added to the list */
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AddedServiceHandles++;
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}
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/* Continuation state - always zero */
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*((uint8_t*)CurrResponsePos) = 0;
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/* Fill out the service record count values in the returned packet */
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ResponsePacket.TotalServiceRecordCount = SwapEndian_16(AddedServiceHandles);
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ResponsePacket.CurrentServiceRecordCount = ResponsePacket.TotalServiceRecordCount;
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/* Fill in the response packet's header */
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ResponsePacket.SDPHeader.PDU = SDP_PDU_SERVICESEARCHRESPONSE;
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ResponsePacket.SDPHeader.TransactionID = SDPHeader->TransactionID;
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ResponsePacket.SDPHeader.ParameterLength = SwapEndian_16((ResponsePacket.CurrentServiceRecordCount << 2) +
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sizeof(ResponsePacket.CurrentServiceRecordCount) +
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sizeof(ResponsePacket.TotalServiceRecordCount) +
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sizeof(uint8_t));
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BT_SDP_DEBUG(1, ">> Service Search Response");
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/* Send the completed response packet to the sender */
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Bluetooth_SendPacket(&ResponsePacket, (sizeof(ResponsePacket.SDPHeader) + ResponsePacket.SDPHeader.ParameterLength),
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Channel);
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}
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}
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/** Internal processing routine for SDP Service Attribute Requests.
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/** Internal processing routine for SDP Service Attribute Requests.
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@ -166,7 +237,7 @@ static void SDP_ProcessServiceSearchAttribute(const SDP_PDUHeader_t* const SDPHe
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BT_SDP_DEBUG(2, "-- Total UUIDs: %d", TotalUUIDs);
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BT_SDP_DEBUG(2, "-- Total UUIDs: %d", TotalUUIDs);
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/* Retrieve the maximum Attribute reponse size from the request */
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/* Retrieve the maximum Attribute reponse size from the request */
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uint16_t MaxAttributeSize = *((uint16_t*)CurrentParameter);
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uint16_t MaxAttributeSize = SwapEndian_16(*((uint16_t*)CurrentParameter));
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CurrentParameter += sizeof(uint16_t);
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CurrentParameter += sizeof(uint16_t);
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BT_SDP_DEBUG(2, "-- Max Return Attribute Bytes: 0x%04X", MaxAttributeSize);
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BT_SDP_DEBUG(2, "-- Max Return Attribute Bytes: 0x%04X", MaxAttributeSize);
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@ -231,21 +302,28 @@ static void SDP_ProcessServiceSearchAttribute(const SDP_PDUHeader_t* const SDPHe
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/* Increment the outer container size by the number of added bytes */
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/* Increment the outer container size by the number of added bytes */
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*TotalResponseSize += 3 + *CurrentUUIDResponseSize;
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*TotalResponseSize += 3 + *CurrentUUIDResponseSize;
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}
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}
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/* Flip the endianness of the container's size */
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*CurrentUUIDResponseSize = SwapEndian_16(*CurrentUUIDResponseSize);
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}
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}
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/* Continuation state - always zero */
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/* Continuation state - always zero */
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*((uint8_t*)CurrResponsePos) = 0;
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*((uint8_t*)CurrResponsePos) = 0;
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/* Set the total response list size to the size of the outer container plus its header size and continuation state */
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/* Set the total response list size to the size of the outer container plus its header size and continuation state */
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ResponsePacket.AttributeListByteCount = 4 + *TotalResponseSize;
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ResponsePacket.AttributeListByteCount = SwapEndian_16(3 + *TotalResponseSize);
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/* Fill in the response packet's header */
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/* Fill in the response packet's header */
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ResponsePacket.SDPHeader.PDU = SDP_PDU_SERVICESEARCHATTRIBUTERESPONSE;
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ResponsePacket.SDPHeader.PDU = SDP_PDU_SERVICESEARCHATTRIBUTERESPONSE;
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ResponsePacket.SDPHeader.TransactionID = SDPHeader->TransactionID;
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ResponsePacket.SDPHeader.TransactionID = SDPHeader->TransactionID;
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ResponsePacket.SDPHeader.ParameterLength = (ResponsePacket.AttributeListByteCount + sizeof(ResponsePacket.AttributeListByteCount));
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ResponsePacket.SDPHeader.ParameterLength = SwapEndian_16(sizeof(ResponsePacket.AttributeListByteCount) +
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(3 + *TotalResponseSize) +
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sizeof(uint8_t));
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/* Flip the endianness of the container's size */
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*TotalResponseSize = SwapEndian_16(*TotalResponseSize);
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BT_SDP_DEBUG(1, ">> Service Search Attribute Response");
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BT_SDP_DEBUG(1, ">> Service Search Attribute Response");
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BT_SDP_DEBUG(2, "-- Total Parameter Length: 0x%04X", ResponsePacket.SDPHeader.ParameterLength);
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/* Send the completed response packet to the sender */
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/* Send the completed response packet to the sender */
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Bluetooth_SendPacket(&ResponsePacket, (sizeof(ResponsePacket.SDPHeader) + ResponsePacket.SDPHeader.ParameterLength),
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Bluetooth_SendPacket(&ResponsePacket, (sizeof(ResponsePacket.SDPHeader) + ResponsePacket.SDPHeader.ParameterLength),
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@ -271,11 +349,12 @@ static uint16_t SDP_AddAttributeToResponse(const uint16_t AttributeID, const voi
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*ResponseBuffer += sizeof(uint8_t);
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*ResponseBuffer += sizeof(uint8_t);
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/* Add the Attribute ID to the created Data Element */
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/* Add the Attribute ID to the created Data Element */
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*((uint16_t*)*ResponseBuffer) = AttributeID;
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*((uint16_t*)*ResponseBuffer) = SwapEndian_16(AttributeID);
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*ResponseBuffer += sizeof(uint16_t);
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*ResponseBuffer += sizeof(uint16_t);
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/* Copy over the Attribute value Data Element container to the response */
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/* Copy over the Attribute value Data Element container to the response */
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memcpy_P(*ResponseBuffer, AttributeValue, AttributeHeaderLength + AttributeValueLength);
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memcpy_P(*ResponseBuffer, AttributeValue, AttributeHeaderLength + AttributeValueLength);
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SwapEndian_n(*ResponseBuffer, AttributeHeaderLength);
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*ResponseBuffer += AttributeHeaderLength + AttributeValueLength;
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*ResponseBuffer += AttributeHeaderLength + AttributeValueLength;
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return (sizeof(uint8_t) + sizeof(uint16_t) + AttributeHeaderLength + AttributeValueLength);
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return (sizeof(uint8_t) + sizeof(uint16_t) + AttributeHeaderLength + AttributeValueLength);
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@ -377,7 +456,11 @@ static uint8_t SDP_GetAttributeList(uint16_t AttributeList[][2], const void** co
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/* If the element is not an Attribute Range, copy over the starting ID to the ending ID to make a range of 1 */
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/* If the element is not an Attribute Range, copy over the starting ID to the ending ID to make a range of 1 */
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if (AttributeLength == 2)
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if (AttributeLength == 2)
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memcpy(&CurrentAttributeRange[1], *CurrentParameter, 2);
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CurrentAttributeRange[1] = CurrentAttributeRange[0];
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/* Swap the endianness of the attribute range values */
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CurrentAttributeRange[0] = SwapEndian_16(CurrentAttributeRange[0]);
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CurrentAttributeRange[1] = SwapEndian_16(CurrentAttributeRange[1]);
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BT_SDP_DEBUG(2, "-- Attribute: 0x%04X-0x%04X", CurrentAttributeRange[0], CurrentAttributeRange[1]);
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BT_SDP_DEBUG(2, "-- Attribute: 0x%04X-0x%04X", CurrentAttributeRange[0], CurrentAttributeRange[1]);
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@ -476,31 +559,31 @@ static uint32_t SDP_GetDataElementSize(const void** const DataElementHeader, uin
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uint8_t SizeIndex = (*((uint8_t*)*DataElementHeader) & 0x07);
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uint8_t SizeIndex = (*((uint8_t*)*DataElementHeader) & 0x07);
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*DataElementHeader += sizeof(uint8_t);
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*DataElementHeader += sizeof(uint8_t);
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uint32_t ElementValue;
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uint32_t ElementValueSize;
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/* Convert the Data Element size index into a size in bytes */
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/* Convert the Data Element size index into a size in bytes */
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switch (SizeIndex)
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switch (SizeIndex)
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{
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{
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case SDP_DATASIZE_Variable8Bit:
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case SDP_DATASIZE_Variable8Bit:
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ElementValue = *((uint8_t*)*DataElementHeader);
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ElementValueSize = *((uint8_t*)*DataElementHeader);
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*DataElementHeader += sizeof(uint8_t);
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*DataElementHeader += sizeof(uint8_t);
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*ElementHeaderSize = (1 + sizeof(uint8_t));
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*ElementHeaderSize = (1 + sizeof(uint8_t));
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break;
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break;
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case SDP_DATASIZE_Variable16Bit:
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case SDP_DATASIZE_Variable16Bit:
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ElementValue = *((uint16_t*)*DataElementHeader);
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ElementValueSize = SwapEndian_16(*((uint16_t*)*DataElementHeader));
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*DataElementHeader += sizeof(uint16_t);
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*DataElementHeader += sizeof(uint16_t);
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*ElementHeaderSize = (1 + sizeof(uint16_t));
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*ElementHeaderSize = (1 + sizeof(uint16_t));
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break;
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break;
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case SDP_DATASIZE_Variable32Bit:
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case SDP_DATASIZE_Variable32Bit:
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ElementValue = *((uint32_t*)*DataElementHeader);
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ElementValueSize = SwapEndian_32(*((uint32_t*)*DataElementHeader));
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*DataElementHeader += sizeof(uint32_t);
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*DataElementHeader += sizeof(uint32_t);
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*ElementHeaderSize = (1 + sizeof(uint32_t));
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*ElementHeaderSize = (1 + sizeof(uint32_t));
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break;
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break;
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default:
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default:
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ElementValue = (1 << SizeIndex);
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ElementValueSize = (1 << SizeIndex);
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*ElementHeaderSize = 1;
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*ElementHeaderSize = 1;
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break;
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break;
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}
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}
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return ElementValue;
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return ElementValueSize;
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}
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}
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