Document inline SDP data read/write functions.
[pub/lufa.git] / Demos / Host / Incomplete / BluetoothHost / Lib / ServiceDiscoveryProtocol.h
index ce7d5f2..c9ce951 100644 (file)
                } SDP_PDUHeader_t;
                
        /* Inline Functions: */
+               /** Writes 8 bits of raw data to the given buffer, incrementing the buffer position afterwards.
+                *
+                *  \param[in, out] BufferPos  Current position in the buffer where the data is to be written to
+                *  \param[in]      Data       Data to write to the buffer
+                */
+               static inline void SDP_WriteData8(void** BufferPos, uint8_t Data)
+               {
+                       *((uint8_t*)*BufferPos) = Data;
+                       *BufferPos += sizeof(uint8_t);
+               }
+               
+               /** Writes 16 bits of raw data to the given buffer, incrementing the buffer position afterwards.
+                *
+                *  \param[in, out] BufferPos  Current position in the buffer where the data is to be written to
+                *  \param[in]      Data       Data to write to the buffer
+                */
+               static inline void SDP_WriteData16(void** BufferPos, uint16_t Data)
+               {
+                       *((uint16_t*)*BufferPos) = SwapEndian_16(Data);
+                       *BufferPos += sizeof(uint16_t);
+               }               
+
+               /** Writes 32 bits of raw data to the given buffer, incrementing the buffer position afterwards.
+                *
+                *  \param[in, out] BufferPos  Current position in the buffer where the data is to be written to
+                *  \param[in]      Data       Data to write to the buffer
+                */
+               static inline void SDP_WriteData32(void** BufferPos, uint32_t Data)
+               {
+                       *((uint32_t*)*BufferPos) = SwapEndian_32(Data);
+                       *BufferPos += sizeof(uint32_t);
+               }
+
+               /** Reads 8 bits of raw data frpm the given buffer, incrementing the buffer position afterwards.
+                *
+                *  \param[in, out] BufferPos  Current position in the buffer where the data is to be read from
+                *
+                *  \return Data read from the buffer
+                */
+               static inline uint8_t SDP_ReadData8(const void** BufferPos)
+               {
+                       uint8_t Data = *((uint8_t*)*BufferPos);
+                       *BufferPos += sizeof(uint8_t);
+                       
+                       return Data;
+               }
+
+               /** Reads 16 bits of raw data frpm the given buffer, incrementing the buffer position afterwards.
+                *
+                *  \param[in, out] BufferPos  Current position in the buffer where the data is to be read from
+                *
+                *  \return Data read from the buffer
+                */
+               static inline uint16_t SDP_ReadData16(const void** BufferPos)
+               {
+                       uint16_t Data = SwapEndian_16(*((uint16_t*)*BufferPos));
+                       *BufferPos += sizeof(uint16_t);
+                       
+                       return Data;
+               }
+
+               /** Reads 32 bits of raw data frpm the given buffer, incrementing the buffer position afterwards.
+                *
+                *  \param[in, out] BufferPos  Current position in the buffer where the data is to be read from
+                *
+                *  \return Data read from the buffer
+                */
+               static inline uint32_t SDP_ReadData32(const void** BufferPos)
+               {
+                       uint32_t Data = SwapEndian_32(*((uint32_t*)*BufferPos));
+                       *BufferPos += sizeof(uint32_t);
+                       
+                       return Data;
+               }
+
                /** Adds a new Data Element container of the given type with a 16-bit size header to the buffer. The
                 *  buffer pointer's position is advanced past the added header once the element has been added. The
                 *  returned size header value is pre-zeroed out so that it can be incremented as data is placed into
                 */
                static inline uint16_t* SDP_AddDataElementHeader16(void** BufferPos, const uint8_t Type)
                {
-                       *((uint8_t*)*BufferPos) = (SDP_DATASIZE_Variable16Bit | Type);
-                       *BufferPos += sizeof(uint8_t);
+                       SDP_WriteData8(BufferPos, (SDP_DATASIZE_Variable16Bit | Type));
 
                        uint16_t* SizePos = (uint16_t*)*BufferPos;
-                       *BufferPos += sizeof(uint16_t);
+                       
+                       SDP_WriteData16(BufferPos, 0);
 
-                       *SizePos = 0;
                        return SizePos;
                }
                
        /* Function Prototypes: */
-               void SDP_ProcessPacket(void* Data, Bluetooth_Channel_t* Channel);
+               void SDP_ProcessPacket(void* Data, Bluetooth_Channel_t* const Channel);
 
                #if defined(INCLUDE_FROM_SERVICEDISCOVERYPROTOCOL_C)
                        static void SDP_ProcessServiceSearch(const SDP_PDUHeader_t* const SDPHeader, Bluetooth_Channel_t* const Channel);
                        static void SDP_ProcessServiceAttribute(const SDP_PDUHeader_t* const SDPHeader, Bluetooth_Channel_t* const Channel);
                        static void SDP_ProcessServiceSearchAttribute(const SDP_PDUHeader_t* const SDPHeader, Bluetooth_Channel_t* const Channel);
 
+                       static uint16_t SDP_AddListedAttributesToResponse(const ServiceAttributeTable_t* AttributeTable, uint16_t AttributeList[][2],
+                                                                         const uint8_t TotalAttributes, void** const BufferPos);
                        static uint16_t SDP_AddAttributeToResponse(const uint16_t AttributeID, const void* AttributeValue, void** ResponseBuffer);
                        static void*    SDP_GetAttributeValue(const ServiceAttributeTable_t* AttributeTable, const uint16_t AttributeID);
                        static ServiceAttributeTable_t* SDP_GetAttributeTable(const uint8_t* const UUID);