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Add LUFA-side channel open/close routines, add signalling handlers for the creation and configuration of channels from the local device to the remote device, to add to the existing remote to local channel capabilities.

Browse Source
pull/1469/head
Dean Camera 15 years ago
parent 797130bddc
commit 28f1ac8117
4 changed files with 163 additions and 41 deletions
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148
Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothACLPackets.c
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@ -120,6 +120,9 @@ static void Bluetooth_ProcessACLPackets(void)
case BT_SIGNAL_CONNECTION_REQUEST:
Bluetooth_Signal_ConnectionReq(&ACLPacketHeader, &DataHeader, &SignalCommandHeader);
break;
case BT_SIGNAL_CONNECTION_RESPONSE:
Bluetooth_Signal_ConnectionResp(&ACLPacketHeader, &DataHeader, &SignalCommandHeader);
break;
case BT_SIGNAL_CONFIGURATION_REQUEST:
Bluetooth_Signal_ConfigurationReq(&ACLPacketHeader, &DataHeader, &SignalCommandHeader);
break;
@ -129,6 +132,9 @@ static void Bluetooth_ProcessACLPackets(void)
case BT_SIGNAL_DISCONNECTION_REQUEST:
Bluetooth_Signal_DisconnectionReq(&ACLPacketHeader, &DataHeader, &SignalCommandHeader);
break;
case BT_SIGNAL_DISCONNECTION_RESPONSE:
Bluetooth_Signal_DisconnectionResp(&ACLPacketHeader, &DataHeader, &SignalCommandHeader);
break;
case BT_SIGNAL_ECHO_REQUEST:
Bluetooth_Signal_EchoReq(&ACLPacketHeader, &DataHeader, &SignalCommandHeader);
break;
@ -193,6 +199,75 @@ uint8_t Bluetooth_SendPacket(void* Data, uint16_t DataLen, Bluetooth_Channel_t*
return BT_SENDPACKET_NoError;
}
Bluetooth_Channel_t* Bluetooth_OpenChannel(uint16_t PSM)
{
Bluetooth_Channel_t* ChannelData = NULL;
for (uint8_t i = 0; i < BLUETOOTH_MAX_OPEN_CHANNELS; i++)
{
if (Bluetooth_Connection.Channels[i].State == Channel_Closed)
{
ChannelData = &Bluetooth_Connection.Channels[i];
ChannelData->LocalNumber = (BLUETOOTH_CHANNELNUMBER_BASEOFFSET + i);
break;
}
}
if (ChannelData == NULL)
return NULL;
ChannelData->RemoteNumber = 0;
ChannelData->PSM = PSM;
ChannelData->LocalMTU = MAXIMUM_CHANNEL_MTU;
ChannelData->State = Channel_Config_WaitConfig;
struct
{
BT_Signal_Header_t SignalCommandHeader;
BT_Signal_ConnectionReq_t ConnectionRequest;
} PacketData;
PacketData.SignalCommandHeader.Code = BT_SIGNAL_CONNECTION_REQUEST;
PacketData.SignalCommandHeader.Identifier = ++Bluetooth_Connection.SignallingIdentifier;
PacketData.SignalCommandHeader.Length = sizeof(PacketData.ConnectionRequest);
PacketData.ConnectionRequest.PSM = PSM;
PacketData.ConnectionRequest.SourceChannel = ChannelData->LocalNumber;
Bluetooth_SendPacket(&PacketData, sizeof(PacketData), NULL);
BT_ACL_DEBUG(1, ">> L2CAP Connection Request", NULL);
BT_ACL_DEBUG(2, "-- PSM 0x%04X", PacketData.ConnectionRequest.PSM);
BT_ACL_DEBUG(2, "-- Source Channel: 0x%04X", PacketData.ConnectionRequest.SourceChannel);
return ChannelData;
}
void Bluetooth_CloseChannel(Bluetooth_Channel_t* Channel)
{
if ((Channel == NULL) || (Channel->State == Channel_Closed))
return;
Channel->State = Channel_WaitDisconnect;
struct
{
BT_Signal_Header_t SignalCommandHeader;
BT_Signal_DisconnectionReq_t DisconnectionRequest;
} PacketData;
PacketData.SignalCommandHeader.Code = BT_SIGNAL_DISCONNECTION_REQUEST;
PacketData.SignalCommandHeader.Identifier = ++Bluetooth_Connection.SignallingIdentifier;
PacketData.SignalCommandHeader.Length = sizeof(PacketData.DisconnectionRequest);
PacketData.DisconnectionRequest.DestinationChannel = Channel->RemoteNumber;
PacketData.DisconnectionRequest.SourceChannel = Channel->LocalNumber;
Bluetooth_SendPacket(&PacketData, sizeof(PacketData), NULL);
BT_ACL_DEBUG(1, ">> L2CAP Disconnection Request", NULL);
BT_ACL_DEBUG(2, "-- Destination Channel: 0x%04X", PacketData.DisconnectionRequest.DestinationChannel);
BT_ACL_DEBUG(2, "-- Source Channel: 0x%04X", PacketData.DisconnectionRequest.SourceChannel);
}
static inline void Bluetooth_Signal_ConnectionReq(BT_ACL_Header_t* ACLPacketHeader,
BT_DataPacket_Header_t* DataHeader,
BT_Signal_Header_t* SignalCommandHeader)
@ -208,7 +283,28 @@ static inline void Bluetooth_Signal_ConnectionReq(BT_ACL_Header_t* ACLPac
BT_ACL_DEBUG(2, "-- PSM: 0x%04X", ConnectionRequest.PSM);
BT_ACL_DEBUG(2, "-- Source Channel: 0x%04X", ConnectionRequest.SourceChannel);
Bluetooth_Channel_t* ChannelData = Bluetooth_InitChannelData(ConnectionRequest.SourceChannel, ConnectionRequest.PSM);
Bluetooth_Channel_t* ChannelData = Bluetooth_GetChannelData(ConnectionRequest.SourceChannel, true);
if (ChannelData == NULL)
{
for (uint8_t i = 0; i < BLUETOOTH_MAX_OPEN_CHANNELS; i++)
{
if (Bluetooth_Connection.Channels[i].State == Channel_Closed)
{
ChannelData = &Bluetooth_Connection.Channels[i];
ChannelData->LocalNumber = (BLUETOOTH_CHANNELNUMBER_BASEOFFSET + i);
break;
}
}
}
if (ChannelData != NULL)
{
ChannelData->RemoteNumber = ConnectionRequest.SourceChannel;
ChannelData->PSM = ConnectionRequest.PSM;
ChannelData->LocalMTU = MAXIMUM_CHANNEL_MTU;
ChannelData->State = Channel_Config_WaitConfig;
}
struct
{
@ -228,10 +324,37 @@ static inline void Bluetooth_Signal_ConnectionReq(BT_ACL_Header_t* ACLPac
BT_ACL_DEBUG(1, ">> L2CAP Connection Response", NULL);
BT_ACL_DEBUG(2, "-- Result: 0x%02X", ResponsePacket.ConnectionResponse.Result);
BT_ACL_DEBUG(2, "-- Source Channel: 0x%04X", ResponsePacket.ConnectionResponse.SourceChannel);
BT_ACL_DEBUG(2, "-- Destination Channel: 0x%04X", ResponsePacket.ConnectionResponse.DestinationChannel);
BT_ACL_DEBUG(2, "-- Source Channel: 0x%04X", ResponsePacket.ConnectionResponse.SourceChannel);
}
static inline void Bluetooth_Signal_ConnectionResp(BT_ACL_Header_t* ACLPacketHeader,
BT_DataPacket_Header_t* DataHeader,
BT_Signal_Header_t* SignalCommandHeader)
{
BT_Signal_ConnectionResp_t ConnectionResponse;
Pipe_Read_Stream_LE(&ConnectionResponse, sizeof(ConnectionResponse));
Pipe_ClearIN();
Pipe_Freeze();
BT_ACL_DEBUG(1, "<< L2CAP Connection Response", NULL);
BT_ACL_DEBUG(2, "-- Result: 0x%02X", ConnectionResponse.Result);
BT_ACL_DEBUG(2, "-- Source Channel: 0x%04X", ConnectionResponse.SourceChannel);
BT_ACL_DEBUG(2, "-- Destination Channel: 0x%04X", ConnectionResponse.DestinationChannel);
Bluetooth_Channel_t* ChannelData = Bluetooth_GetChannelData(ConnectionResponse.DestinationChannel, false);
if (ChannelData != NULL)
{
ChannelData->RemoteNumber = ConnectionResponse.SourceChannel;
ChannelData->State = (ConnectionResponse.Result == BT_CONNECTION_SUCCESSFUL) ?
Channel_Config_WaitConfig : Channel_Closed;
}
}
static inline void Bluetooth_Signal_ConfigurationReq(BT_ACL_Header_t* ACLPacketHeader,
BT_DataPacket_Header_t* DataHeader,
BT_Signal_Header_t* SignalCommandHeader)
@ -375,6 +498,27 @@ static inline void Bluetooth_Signal_DisconnectionReq(BT_ACL_Header_t* ACL
BT_ACL_DEBUG(2, "-- Destination Channel: 0x%04X", ResponsePacket.DisconnectionResponse.DestinationChannel);
}
static inline void Bluetooth_Signal_DisconnectionResp(BT_ACL_Header_t* ACLPacketHeader,
BT_DataPacket_Header_t* DataHeader,
BT_Signal_Header_t* SignalCommandHeader)
{
BT_Signal_DisconnectionResp_t DisconnectionResponse;
Pipe_Read_Stream_LE(&DisconnectionResponse, sizeof(DisconnectionResponse));
BT_ACL_DEBUG(1, "<< L2CAP Disconnection Response", NULL);
BT_ACL_DEBUG(2, "-- Destination Channel: 0x%04X", DisconnectionResponse.DestinationChannel);
BT_ACL_DEBUG(2, "-- Source Channel: 0x%04X", DisconnectionResponse.SourceChannel);
Pipe_ClearIN();
Pipe_Freeze();
Bluetooth_Channel_t* ChannelData = Bluetooth_GetChannelData(DisconnectionResponse.SourceChannel, true);
if (ChannelData->State == Channel_WaitDisconnect)
ChannelData->State = Channel_Closed;
}
static inline void Bluetooth_Signal_EchoReq(BT_ACL_Header_t* ACLPacketHeader,
BT_DataPacket_Header_t* DataHeader,
BT_Signal_Header_t* SignalCommandHeader)

8
Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothACLPackets.h
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@ -42,7 +42,7 @@
/* Macros: */
#define BT_ACL_DEBUG(l, s, ...) do { if (ACL_DEBUG_LEVEL >= l) printf_P(PSTR("(ACL) " s "\r\n"), __VA_ARGS__); } while (0)
#define ACL_DEBUG_LEVEL 2
#define ACL_DEBUG_LEVEL 1
#define BT_CHANNEL_SIGNALING 0x0001
#define BT_CHANNEL_CONNECTIONLESS 0x0002
@ -160,6 +160,9 @@
static inline void Bluetooth_Signal_ConnectionReq(BT_ACL_Header_t* ACLPacketHeader,
BT_DataPacket_Header_t* DataHeader,
BT_Signal_Header_t* SignalCommandHeader);
static inline void Bluetooth_Signal_ConnectionResp(BT_ACL_Header_t* ACLPacketHeader,
BT_DataPacket_Header_t* DataHeader,
BT_Signal_Header_t* SignalCommandHeader);
static inline void Bluetooth_Signal_EchoReq(BT_ACL_Header_t* ACLPacketHeader,
BT_DataPacket_Header_t* DataHeader,
BT_Signal_Header_t* SignalCommandHeader);
@ -172,6 +175,9 @@
static inline void Bluetooth_Signal_DisconnectionReq(BT_ACL_Header_t* ACLPacketHeader,
BT_DataPacket_Header_t* DataHeader,
BT_Signal_Header_t* SignalCommandHeader);
static inline void Bluetooth_Signal_DisconnectionResp(BT_ACL_Header_t* ACLPacketHeader,
BT_DataPacket_Header_t* DataHeader,
BT_Signal_Header_t* SignalCommandHeader);
static inline void Bluetooth_Signal_InformationReq(BT_ACL_Header_t* ACLPacketHeader,
BT_DataPacket_Header_t* DataHeader,
BT_Signal_Header_t* SignalCommandHeader);

28
Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothStack.c
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@ -68,31 +68,3 @@ Bluetooth_Channel_t* Bluetooth_GetChannelData(uint16_t ChannelNumber, bool Searc
return NULL;
}
Bluetooth_Channel_t* Bluetooth_InitChannelData(uint16_t RemoteChannelNumber, uint16_t PSM)
{
Bluetooth_Channel_t* ChannelData = Bluetooth_GetChannelData(RemoteChannelNumber, false);
if (ChannelData == NULL)
{
for (uint8_t i = 0; i < BLUETOOTH_MAX_OPEN_CHANNELS; i++)
{
if (Bluetooth_Connection.Channels[i].State == Channel_Closed)
{
ChannelData = &Bluetooth_Connection.Channels[i];
ChannelData->LocalNumber = (BLUETOOTH_CHANNELNUMBER_BASEOFFSET + i);
break;
}
}
}
if (ChannelData != NULL)
{
ChannelData->RemoteNumber = RemoteChannelNumber;
ChannelData->PSM = PSM;
ChannelData->LocalMTU = MAXIMUM_CHANNEL_MTU;
ChannelData->State = Channel_Config_WaitConfig;
}
return ChannelData;
}

16
Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothStack.h
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@ -103,17 +103,17 @@
#include "BluetoothACLPackets.h"
/* Function Prototypes: */
Bluetooth_Channel_t* Bluetooth_GetChannelData(uint16_t ChannelNumber, bool SearchByRemoteChannel);
Bluetooth_Channel_t* Bluetooth_InitChannelData(uint16_t RemoteChannelNumber, uint16_t PSM);
void Bluetooth_Stack_Init(void);
void Bluetooth_Stack_USBTask(void);
bool Bluetooth_ConnectionRequest(uint8_t* RemoteAddress);
void Bluetooth_ConnectionComplete(void);
void Bluetooth_DisconnectionComplete(void);
void Bluetooth_PacketReceived(uint16_t* PacketLength, Bluetooth_Channel_t* Channel);
uint8_t Bluetooth_SendPacket(void* Data, uint16_t DataLen, Bluetooth_Channel_t* Channel);
bool Bluetooth_ConnectionRequest(uint8_t* RemoteAddress);
void Bluetooth_ConnectionComplete(void);
void Bluetooth_DisconnectionComplete(void);
void Bluetooth_PacketReceived(uint16_t* PacketLength, Bluetooth_Channel_t* Channel);
Bluetooth_Channel_t* Bluetooth_GetChannelData(uint16_t ChannelNumber, bool SearchByRemoteChannel);
Bluetooth_Channel_t* Bluetooth_OpenChannel(uint16_t PSM);
void Bluetooth_CloseChannel(Bluetooth_Channel_t* Channel);
uint8_t Bluetooth_SendPacket(void* Data, uint16_t DataLen, Bluetooth_Channel_t* Channel);
/* External Variables: */
extern Bluetooth_Device_t Bluetooth_DeviceConfiguration;

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