X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/e55f33866334615e705ff68c0f3bea8e5b1b9b8b..708a1c6166af75f0243972c81d06978cc9bf20be:/Demos/Host/Incomplete/BluetoothHost/Lib/ServiceDiscoveryProtocol.c diff --git a/Demos/Host/Incomplete/BluetoothHost/Lib/ServiceDiscoveryProtocol.c b/Demos/Host/Incomplete/BluetoothHost/Lib/ServiceDiscoveryProtocol.c index 1ee4c842e..6dd3796f4 100644 --- a/Demos/Host/Incomplete/BluetoothHost/Lib/ServiceDiscoveryProtocol.c +++ b/Demos/Host/Incomplete/BluetoothHost/Lib/ServiceDiscoveryProtocol.c @@ -28,14 +28,168 @@ this software. */ +#define INCLUDE_FROM_SERVICEDISCOVERYPROTOCOL_C #include "ServiceDiscoveryProtocol.h" -void ServiceDiscovery_ProcessPacket(void* Data, uint16_t Length, Bluetooth_Channel_t* Channel) +SERVICE_ATTRIBUTE_TEXT(SDP_Attribute_Name, "SDP"); +SERVICE_ATTRIBUTE_TEXT(SDP_Attribute_Description, "BT Service Discovery"); +SERVICE_ATTRIBUTE_8BIT_LEN(SDP_Attribute_Availability, SDP_DATATYPE_UNSIGNED_INT, 1, {0xFF}); +const ServiceAttributeTable_t SDP_Attribute_Table[] PROGMEM = + { + {.AttributeID = SDP_ATTRIBUTE_NAME , .AttributeData = &SDP_Attribute_Name}, + {.AttributeID = SDP_ATTRIBUTE_DESCRIPTION , .AttributeData = &SDP_Attribute_Description}, + {.AttributeID = SDP_ATTRIBUTE_AVAILABILITY, .AttributeData = &SDP_Attribute_Availability}, + SERVICE_ATTRIBUTE_TABLE_TERMINATOR + }; + +SERVICE_ATTRIBUTE_TEXT(RFCOMM_Attribute_Name, "RFCOMM"); +SERVICE_ATTRIBUTE_TEXT(RFCOMM_Attribute_Description, "Virtual Serial"); +SERVICE_ATTRIBUTE_8BIT_LEN(RFCOMM_Attribute_Availability, SDP_DATATYPE_UNSIGNED_INT, 1, {0xFF}); +const ServiceAttributeTable_t RFCOMM_Attribute_Table[] PROGMEM = + { + {.AttributeID = SDP_ATTRIBUTE_NAME , .AttributeData = &RFCOMM_Attribute_Name}, + {.AttributeID = SDP_ATTRIBUTE_DESCRIPTION , .AttributeData = &RFCOMM_Attribute_Description}, + {.AttributeID = SDP_ATTRIBUTE_AVAILABILITY, .AttributeData = &RFCOMM_Attribute_Availability}, + SERVICE_ATTRIBUTE_TABLE_TERMINATOR + }; + +const ServiceTable_t SDP_Services_Table[] = + { + { // 128-bit UUID for the SDP service + .UUID = {BASE_96BIT_UUID, 0x01, 0x00, 0x00, 0x00}, + .AttributeTable = &SDP_Attribute_Table, + }, + { // 128-bit UUID for the RFCOMM service + .UUID = {BASE_96BIT_UUID, 0x03, 0x00, 0x00, 0x00}, + .AttributeTable = &RFCOMM_Attribute_Table, + }, + }; + + +void ServiceDiscovery_ProcessPacket(void* Data, Bluetooth_Channel_t* Channel) { SDP_PDUHeader_t* SDPHeader = (SDP_PDUHeader_t*)Data; SDPHeader->ParameterLength = SwapEndian_16(SDPHeader->ParameterLength); - BT_SDP_DEBUG(1, "<< Service Discovery Packet", NULL); + BT_SDP_DEBUG(1, "SDP Packet Received"); BT_SDP_DEBUG(2, "-- PDU ID: 0x%02X", SDPHeader->PDU); BT_SDP_DEBUG(2, "-- Param Length: 0x%04X", SDPHeader->ParameterLength); + + switch (SDPHeader->PDU) + { + case SDP_PDU_SERVICESEARCHREQUEST: + ServiceDiscovery_ProcessServiceSearch(SDPHeader); + break; + case SDP_PDU_SERVICEATTRIBUTEREQUEST: + ServiceDiscovery_ProcessServiceAttribute(SDPHeader); + break; + case SDP_PDU_SERVICESEARCHATTRIBUTEREQUEST: + ServiceDiscovery_ProcessServiceSearchAttribute(SDPHeader); + break; + } +} + +static void ServiceDiscovery_ProcessServiceSearch(SDP_PDUHeader_t* SDPHeader) +{ + BT_SDP_DEBUG(1, "<< Service Search"); +} + +static void ServiceDiscovery_ProcessServiceAttribute(SDP_PDUHeader_t* SDPHeader) +{ + BT_SDP_DEBUG(1, "<< Service Attribute"); +} + +static void ServiceDiscovery_ProcessServiceSearchAttribute(SDP_PDUHeader_t* SDPHeader) +{ + void* CurrentParameter = ((void*)SDPHeader + sizeof(SDP_PDUHeader_t)); + + BT_SDP_DEBUG(1, "<< Service Search Attribute"); + + uint8_t ElementHeaderSize; + + uint16_t ServicePatternLength = ServiceDiscovery_GetDataElementSize(&CurrentParameter, &ElementHeaderSize); + BT_SDP_DEBUG(2, "-- Total UUID Length: 0x%04X", ServicePatternLength); + while (ServicePatternLength) + { + uint8_t UUIDLength = ServiceDiscovery_GetDataElementSize(&CurrentParameter, &ElementHeaderSize); + uint8_t UUID[16] = {BASE_96BIT_UUID, 0x00, 0x00, 0x00, 0x00}; + + if (UUIDLength <= 32) + memcpy(&UUID[sizeof(UUID) - sizeof(uint32_t)], CurrentParameter, UUIDLength); + else + memcpy(UUID, CurrentParameter, UUIDLength); + + CurrentParameter += UUIDLength; + + BT_SDP_DEBUG(2, "-- UUID (%d): 0x%02X%02X%02X%02X-%02X%02X-%02X%02X-%02X%02X-%02X%02X%02X%02X%02X%02X", + UUIDLength, + UUID[15], UUID[14], UUID[13], UUID[12], UUID[11], UUID[10], UUID[9], UUID[8], + UUID[7], UUID[6], UUID[5], UUID[4], UUID[3], UUID[2], UUID[1], UUID[0]); + + ServicePatternLength -= (UUIDLength + ElementHeaderSize); + } + + uint16_t MaxAttributeSize = ServiceDiscovery_Read16BitParameter(&CurrentParameter); + BT_SDP_DEBUG(2, "-- Max Return Attribute Bytes: 0x%04X", MaxAttributeSize); + + uint16_t AttributeIDListLength = ServiceDiscovery_GetDataElementSize(&CurrentParameter, &ElementHeaderSize); + BT_SDP_DEBUG(2, "-- Total Attribute Length: 0x%04X", AttributeIDListLength); + while (AttributeIDListLength) + { + uint8_t AttributeLength = ServiceDiscovery_GetDataElementSize(&CurrentParameter, &ElementHeaderSize); + uint32_t Attribute = 0; + + memcpy(&Attribute, CurrentParameter, AttributeLength); + CurrentParameter += AttributeLength; + + BT_SDP_DEBUG(2, "-- Attribute(%d): 0x%08lX", AttributeLength, Attribute); + + AttributeIDListLength -= (AttributeLength + ElementHeaderSize); + } +} + +static uint32_t ServiceDiscovery_GetDataElementSize(void** DataElementHeader, uint8_t* ElementHeaderSize) +{ + uint8_t SizeIndex = (*((uint8_t*)*DataElementHeader) & 0x07); + *DataElementHeader += sizeof(uint8_t); + + *ElementHeaderSize = 1; + + uint32_t ElementValue; + + switch (SizeIndex) + { + case 0: + ElementValue = 1; + break; + case 1: + ElementValue = 2; + break; + case 2: + ElementValue = 4; + break; + case 3: + ElementValue = 8; + break; + case 4: + ElementValue = 16; + break; + case 5: + ElementValue = *((uint8_t*)*DataElementHeader); + *DataElementHeader += sizeof(uint8_t); + *ElementHeaderSize = (1 + sizeof(uint8_t)); + break; + case 6: + ElementValue = *((uint16_t*)*DataElementHeader); + *DataElementHeader += sizeof(uint16_t); + *ElementHeaderSize = (1 + sizeof(uint16_t)); + break; + default: + ElementValue = *((uint32_t*)*DataElementHeader); + *DataElementHeader += sizeof(uint32_t); + *ElementHeaderSize = (1 + sizeof(uint32_t)); + break; + } + + return ElementValue; }