this software.
*/
+/** \file
+ *
+ * Header file for ServiceDiscoveryProtocol.c.
+ */
+
#ifndef _SERVICEDISCOVERYPROTOCOL_H_
#define _SERVICEDISCOVERYPROTOCOL_H_
/* Includes: */
#include <avr/io.h>
+ #include <avr/pgmspace.h>
#include <string.h>
#include <stdbool.h>
#include <stdio.h>
#include <LUFA/Drivers/Peripheral/SerialStream.h>
#include "BluetoothStack.h"
+ #include "SDPServices.h"
/* Macros: */
#define BT_SDP_DEBUG(l, s, ...) do { if (SDP_DEBUG_LEVEL >= l) printf_P(PSTR("(SDP) " s "\r\n"), ##__VA_ARGS__); } while (0)
- #define SDP_DEBUG_LEVEL 2
+ #define SDP_DEBUG_LEVEL 0
#define SDP_PDU_ERRORRESPONSE 0x01
#define SDP_PDU_SERVICESEARCHREQUEST 0x02
#define SDP_PDU_SERVICEATTRIBUTERESPONSE 0x05
#define SDP_PDU_SERVICESEARCHATTRIBUTEREQUEST 0x06
#define SDP_PDU_SERVICESEARCHATTRIBUTERESPONSE 0x07
-
- #define SDP_ATTRIBUTE_ID_SERVICERECORDHANDLE 0x0000
- #define SDP_ATTRIBUTE_ID_SERVICECLASSIDS 0x0001
- #define SDP_ATTRIBUTE_ID_LANGIDOFFSET 0x0006
- #define SDP_ATTRIBUTE_ID_AVAILABILITY 0x0008
- #define SDP_ATTRIBUTE_ID_VERSION 0x0200
- #define SDP_ATTRIBUTE_ID_NAME (0x0000 + SDP_ATTRIBUTE_LANGOFFSET)
- #define SDP_ATTRIBUTE_ID_DESCRIPTION (0x0001 + SDP_ATTRIBUTE_LANGOFFSET)
- /** Attribute ID offset for localised language string attributes. */
- #define SDP_ATTRIBUTE_LANGOFFSET 0x0100
+ /** Convenience macro - read a pointer out of PROGMEM space.
+ *
+ * \param[in] x Address of the pointer to read
+ *
+ * \return Pointer retrieved from PROGMEM space
+ */
+ #define pgm_read_ptr(x) (void*)pgm_read_word(x)
- /** Size of a full 128 bit UUID, in bytes. */
- #define UUID_SIZE_BYTES 16
-
- /** First 96 bits common to all standadized Bluetooth services. */
- #define BASE_96BIT_UUID 0xFB, 0x34, 0x9B, 0x5F, 0x80, 0x00, 0x00, 0x80, 0x00, 0x10, 0x00, 0x00
-
- /** Terminator for a service attribute table of type \ref ServiceAttributeTable_t. */
- #define SERVICE_ATTRIBUTE_TABLE_TERMINATOR {.Data = NULL}
-
/* Enums: */
/** Data sizes for SDP Data Element headers, to indicate the size of the data contained in the element. When creating
* a Data Element, a value from this enum should be ORed with a value from the \ref ServiceDiscovery_DataTypes_t enum.
uint16_t ParameterLength; /**< Length of the data following the SDP header */
} SDP_PDUHeader_t;
- /** Structure for the association of attribute ID values to an attribute value in FLASH. A table of these
- * structures can then be built up for each supported UUID service within the device.
+ /* 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
*/
- typedef struct
+ static inline void SDP_WriteData16(void** BufferPos, uint16_t Data)
{
- uint16_t AttributeID; /**< Attribute ID of the table element which the UUID service supports */
- const void* Data; /**< Pointer to the attribute data, located in PROGMEM memory space */
- } ServiceAttributeTable_t;
+ *((uint16_t*)*BufferPos) = SwapEndian_16(Data);
+ *BufferPos += sizeof(uint16_t);
+ }
- /** Structure for the association of service UUID values to attribute tables stored in FLASH. A table of these
- * structures can then be built up for each supported UUID service within the device.
+ /** 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
*/
- typedef struct
+ static inline void SDP_WriteData32(void** BufferPos, uint32_t Data)
{
- uint8_t UUID[UUID_SIZE_BYTES]; /**< UUID of a service supported by the device */
- const void* AttributeTable; /**< Pointer to the UUID's attribute table, located in PROGMEM memory space */
- } ServiceTable_t;
+ *((uint32_t*)*BufferPos) = SwapEndian_32(Data);
+ *BufferPos += sizeof(uint32_t);
+ }
- /** Structure for a list of Data Elements containing UUIDs, for service attributes requiring UUID lists. */
- typedef struct
+ /** 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 Header; /**< Data Element header, should be (SDP_DATATYPE_Sequence | SDP_DATASIZE_Variable16Bit) */
- uint16_t UUID[UUID_SIZE_BYTES]; /**< UUID to store in the list Data Element */
- } ClassUUID_t;
+ uint8_t Data = *((uint8_t*)*BufferPos);
+ *BufferPos += sizeof(uint8_t);
+
+ return Data;
+ }
- /* Inline Functions: */
- /** 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
- * the Data Element container.
+ /** 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 Sequence container 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 the Data
+ * Element Sequence container.
*
* The total added size of the container header is three bytes, regardless of the size of its contents
* as long as the contents' size in bytes fits into a 16-bit integer.
*
* \param[in, out] BufferPos Pointer to a buffer where the container header is to be placed
- * \param[in] Type Type of data the container is to store, a value from the \ref ServiceDiscovery_DataTypes_t enum
*
* \return Pointer to the 16-bit size value of the contaner header, which has been pre-zeroed
*/
- static inline uint16_t* SDP_AddDataElementHeader16(void** BufferPos, const uint8_t Type)
+ static inline uint16_t* SDP_AddSequence16(void** BufferPos)
{
- *((uint8_t*)*BufferPos) = (SDP_DATASIZE_Variable16Bit | Type);
+ SDP_WriteData8(BufferPos, (SDP_DATASIZE_Variable16Bit | SDP_DATATYPE_Sequence));
- uint16_t* SizePos = (uint16_t*)*(BufferPos + 1);
- *SizePos = 0;
+ uint16_t* SizePos = *BufferPos;
+ SDP_WriteData16(BufferPos, 0);
- *BufferPos += 3;
return SizePos;
}
/* Function Prototypes: */
- void SDP_ProcessPacket(void* Data, Bluetooth_Channel_t* Channel);
+ void SDP_Initialize(void);
+ 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 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);
+
+ static bool SDP_SearchServiceTable(uint8_t UUIDList[][UUID_SIZE_BYTES], const uint8_t TotalUUIDs,
+ const ServiceAttributeTable_t* CurrAttributeTable);
+ static void SDP_CheckUUIDMatch(uint8_t UUIDList[][UUID_SIZE_BYTES], const uint8_t TotalUUIDs, bool UUIDMatch[],
+ const void* CurrAttribute);
+
static uint8_t SDP_GetAttributeList(uint16_t AttributeList[][2], const void** const CurrentParameter);
static uint8_t SDP_GetUUIDList(uint8_t UUIDList[][UUID_SIZE_BYTES], const void** const CurrentParameter);
- static uint32_t SDP_GetLocalAttributeContainerSize(const void* const AttributeData);
+
+ static uint32_t SDP_GetLocalAttributeContainerSize(const void* const AttributeData, uint8_t* const HeaderSize);
static uint32_t SDP_GetDataElementSize(const void** const AttributeHeader, uint8_t* const ElementHeaderSize);
#endif
projects / pub / USBasp.git / blobdiff