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qmk_firmware/Demos/Host/Incomplete/BluetoothHost/Lib/ServiceDiscoveryProtocol.h

154 lines
5.4 KiB

/*
LUFA Library
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
permission notice and warranty disclaimer appear in supporting
documentation, and that the name of the author not be used in
advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
software, including all implied warranties of merchantability
and fitness. In no event shall the author be liable for any
special, indirect or consequential damages or any damages
whatsoever resulting from loss of use, data or profits, whether
in an action of contract, negligence or other tortious action,
arising out of or in connection with the use or performance of
this software.
*/
#ifndef _SERVICEDISCOVERYPROTOCOL_H_
#define _SERVICEDISCOVERYPROTOCOL_H_
/* Includes: */
#include <avr/io.h>
#include <string.h>
#include <stdbool.h>
#include <stdio.h>
#include <LUFA/Common/Common.h>
#include <LUFA/Drivers/Peripheral/SerialStream.h>
#include "BluetoothStack.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_PDU_ERRORRESPONSE 0x01
#define SDP_PDU_SERVICESEARCHREQUEST 0x02
#define SDP_PDU_SERVICESEARCHRESPONSE 0x03
#define SDP_PDU_SERVICEATTRIBUTEREQUEST 0x04
#define SDP_PDU_SERVICEATTRIBUTERESPONSE 0x05
#define SDP_PDU_SERVICESEARCHATTRIBUTEREQUEST 0x06
#define SDP_PDU_SERVICESEARCHATTRIBUTERESPONSE 0x07
#define SDP_ATTRIBUTE_NAME 0x0000
#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_IDO_DESCRIPTION 0x0001
#define SDP_ATTRIBUTE_IDO_PROVIDER 0x0002
/** 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: */
enum ServiceDiscovery_DataTypes_t
{
SDP_DATATYPE_Nill = (0 << 3),
SDP_DATATYPE_UnsignedInt = (1 << 3),
SDP_DATATYPE_SignedInt = (2 << 3),
SDP_DATATYPE_UUID = (3 << 3),
SDP_DATATYPE_String = (4 << 3),
SDP_DATATYPE_Boolean = (5 << 3),
SDP_DATATYPE_Sequence = (6 << 3),
SDP_DATATYPE_Alternative = (7 << 3),
SDP_DATATYPE_URL = (8 << 3),
};
/* Type Defines: */
typedef struct
{
uint8_t PDU;
uint16_t TransactionID;
uint16_t ParameterLength;
} SDP_PDUHeader_t;
typedef struct
{
uint16_t AttributeID;
const void* Data;
} ServiceAttributeTable_t;
typedef struct
{
uint8_t UUID[16];
const void* AttributeTable;
} ServiceTable_t;
typedef struct
{
uint8_t Header;
uint8_t Size;
uint16_t UUID[UUID_SIZE_BYTES];
} ClassUUID_t;
/* Inline Functions: */
static inline uint16_t* ServiceDiscovery_AddDataElementHeader(uint8_t** BufferPos, const uint8_t Type)
{
**BufferPos = (6 | Type);
*BufferPos += 1;
uint16_t* SizePos = (uint16_t*)*BufferPos;
*SizePos = 0;
**BufferPos += 2;
return SizePos;
}
static inline uint16_t ServiceDiscovery_Read16BitParameter(const void** AttributeHeader)
{
uint16_t ParamValue = *((uint16_t*)*AttributeHeader);
*AttributeHeader += sizeof(uint16_t);
return ParamValue;
}
/* Function Prototypes: */
void ServiceDiscovery_ProcessPacket(void* Data, Bluetooth_Channel_t* Channel);
#if defined(INCLUDE_FROM_SERVICEDISCOVERYPROTOCOL_C)
static void ServiceDiscovery_ProcessServiceSearch(SDP_PDUHeader_t* SDPHeader, Bluetooth_Channel_t* Channel);
static void ServiceDiscovery_ProcessServiceAttribute(SDP_PDUHeader_t* SDPHeader, Bluetooth_Channel_t* Channel);
static void ServiceDiscovery_ProcessServiceSearchAttribute(SDP_PDUHeader_t* SDPHeader, Bluetooth_Channel_t* Channel);
static void* ServiceDiscovery_GetAttributeValue(ServiceAttributeTable_t* AttributeTable, uint16_t AttributeID);
static ServiceAttributeTable_t* ServiceDiscovery_GetAttributeTable(uint8_t* UUID);
static uint8_t ServiceDiscovery_GetAttributeList(uint16_t AttributeList[][2], const void** CurrentParameter);
static uint8_t ServiceDiscovery_GetUUIDList(uint8_t UUIDList[][UUID_SIZE_BYTES], const void** CurrentParameter);
static uint32_t ServiceDiscovery_GetLocalAttributeSize(const void* AttributeData);
static uint32_t ServiceDiscovery_GetDataElementSize(const void** AttributeHeader, uint8_t* ElementHeaderSize);
#endif
#endif