diff options
Diffstat (limited to 'Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothACLPackets.c')
| -rw-r--r-- | Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothACLPackets.c | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothACLPackets.c b/Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothACLPackets.c new file mode 100644 index 000000000..7697f88f5 --- /dev/null +++ b/Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothACLPackets.c @@ -0,0 +1,206 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, 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.
+*/
+
+#define INCLUDE_FROM_BLUETOOTH_ACLPACKETS_C
+#include "BluetoothACLPackets.h"
+
+void Bluetooth_ProcessACLPackets(void)
+{
+ Bluetooth_ACL_Header_t ACLPacketHeader;
+ Bluetooth_DataPacket_Header_t DataHeader;
+
+ Pipe_SelectPipe(BLUETOOTH_DATA_IN_PIPE);
+ Pipe_SetToken(PIPE_TOKEN_IN);
+ Pipe_Unfreeze();
+
+ if (!(Pipe_IsReadWriteAllowed()))
+ {
+ Pipe_Freeze();
+ return;
+ }
+
+ Pipe_Read_Stream_LE(&ACLPacketHeader, sizeof(ACLPacketHeader));
+ Pipe_Read_Stream_LE(&DataHeader, sizeof(DataHeader));
+
+ BT_DEBUG("(ACL) Packet Received", NULL);
+ BT_DEBUG("(ACL) -- Connection Handle: 0x%04X", ACLPacketHeader.ConnectionHandle);
+ BT_DEBUG("(ACL) -- Data Length: 0x%04X", ACLPacketHeader.DataLength);
+ BT_DEBUG("(ACL) -- Destination Channel: 0x%04X", DataHeader.DestinationChannel);
+ BT_DEBUG("(ACL) -- Payload Length: 0x%04X", DataHeader.PayloadLength);
+
+ if (DataHeader.DestinationChannel == BLUETOOTH_CHANNEL_SIGNALING)
+ {
+ Bluetooth_SignalCommand_Header_t SignalCommandHeader;
+ Pipe_Read_Stream_LE(&SignalCommandHeader, sizeof(SignalCommandHeader));
+
+ switch (SignalCommandHeader.Code)
+ {
+ case BLUETOOTH_SIGNAL_CONNECTION_REQUEST:
+ Bluetooth_ProcessSignalPacket_ConnectionRequest(&ACLPacketHeader, &DataHeader, &SignalCommandHeader);
+ break;
+ case BLUETOOTH_SIGNAL_CONFIGURATION_REQUEST:
+ Bluetooth_ProcessSignalPacket_ConfigurationRequest(&ACLPacketHeader, &DataHeader, &SignalCommandHeader);
+ break;
+ case BLUETOOTH_SIGNAL_INFORMATION_REQUEST:
+ BT_DEBUG("(ACL) -- Information Request, Discarded");
+
+ Pipe_Discard_Stream(ACLPacketHeader.DataLength);
+ Pipe_ClearIN();
+ Pipe_Freeze();
+ break;
+ default:
+ BT_DEBUG("(ACL) >> Unknown Signalling Command 0x%02X", SignalCommandHeader.Code);
+
+ Pipe_Discard_Stream(ACLPacketHeader.DataLength);
+ Pipe_ClearIN();
+ Pipe_Freeze();
+ break;
+ }
+ }
+ else
+ {
+ uint8_t DataPayload[DataHeader.PayloadLength];
+ Pipe_Read_Stream_LE(&DataPayload, sizeof(DataPayload));
+ DataHeader.PayloadLength = 0;
+
+ BT_DEBUG("(ACL) -- Data Payload: ", NULL);
+ for (uint16_t B = 0; B < sizeof(DataPayload); B++)
+ printf("0x%02X ", DataPayload[B]);
+ BT_DEBUG("", NULL);
+
+ Pipe_Discard_Stream(ACLPacketHeader.DataLength);
+ Pipe_ClearIN();
+ Pipe_Freeze();
+ }
+}
+
+static inline void Bluetooth_ProcessSignalPacket_ConnectionRequest(Bluetooth_ACL_Header_t* ACLPacketHeader,
+ Bluetooth_DataPacket_Header_t* DataHeader,
+ Bluetooth_SignalCommand_Header_t* SignalCommandHeader)
+{
+ Bluetooth_SignalCommand_ConnectionRequest_t ConnectionRequest;
+
+ Pipe_Read_Stream_LE(&ConnectionRequest, sizeof(ConnectionRequest));
+
+ BT_DEBUG("(ACL) >> L2CAP Connection Request", NULL);
+ BT_DEBUG("(ACL) -- PSM: 0x%04X", ConnectionRequest.PSM);
+ BT_DEBUG("(ACL) -- Source Channel: 0x%04X", ConnectionRequest.SourceChannel);
+
+ Pipe_ClearIN();
+ Pipe_Freeze();
+ Pipe_SelectPipe(BLUETOOTH_DATA_OUT_PIPE);
+ Pipe_SetToken(PIPE_TOKEN_OUT);
+ Pipe_Unfreeze();
+
+ Bluetooth_SignalCommand_ConnectionResponse_t ConnectionResponse;
+
+ ACLPacketHeader->DataLength = sizeof(*DataHeader) + sizeof(*SignalCommandHeader) + sizeof(ConnectionResponse);
+ DataHeader->PayloadLength = sizeof(*SignalCommandHeader) + sizeof(ConnectionResponse);
+ DataHeader->DestinationChannel = BLUETOOTH_CHANNEL_SIGNALING;
+ SignalCommandHeader->Code = BLUETOOTH_SIGNAL_CONNECTION_RESPONSE;
+ SignalCommandHeader->Length = sizeof(ConnectionResponse);
+
+ Bluetooth_Channel_t* ChannelData = Bluetooth_InitChannelData(ConnectionRequest.SourceChannel, ConnectionRequest.PSM);
+
+ ConnectionResponse.Result = (ChannelData == NULL) ? BLUETOOTH_CONNECTION_REFUSED_RESOURCES :
+ BLUETOOTH_CONNECTION_SUCCESSFUL;
+ ConnectionResponse.DestinationChannel = ChannelData->LocalNumber;
+ ConnectionResponse.SourceChannel = ChannelData->RemoteNumber;
+ ConnectionResponse.Status = 0x00;
+
+ Pipe_Write_Stream_LE(ACLPacketHeader, sizeof(*ACLPacketHeader));
+ Pipe_Write_Stream_LE(DataHeader, sizeof(*DataHeader));
+ Pipe_Write_Stream_LE(SignalCommandHeader, sizeof(*SignalCommandHeader));
+ Pipe_Write_Stream_LE(&ConnectionResponse, sizeof(ConnectionResponse));
+
+ Pipe_ClearOUT();
+ Pipe_Freeze();
+
+ BT_DEBUG("(ACL) Packet Sent", NULL);
+ BT_DEBUG("(ACL) -- Connection Handle: 0x%04X", ACLPacketHeader->ConnectionHandle);
+ BT_DEBUG("(ACL) -- Data Length: 0x%04X", ACLPacketHeader->DataLength);
+ BT_DEBUG("(ACL) -- Destination Channel: 0x%04X", DataHeader->DestinationChannel);
+ BT_DEBUG("(ACL) -- Payload Length: 0x%04X", DataHeader->PayloadLength);
+ BT_DEBUG("(ACL) >> L2CAP Connection Response", NULL);
+ BT_DEBUG("(ACL) -- Source Channel: 0x%04X", ConnectionResponse.SourceChannel);
+ BT_DEBUG("(ACL) -- Destination Channel: 0x%04X", ConnectionResponse.DestinationChannel);
+}
+
+static inline void Bluetooth_ProcessSignalPacket_ConfigurationRequest(Bluetooth_ACL_Header_t* ACLPacketHeader,
+ Bluetooth_DataPacket_Header_t* DataHeader,
+ Bluetooth_SignalCommand_Header_t* SignalCommandHeader)
+{
+ Bluetooth_SignalCommand_ConfigurationRequest_t ConfigurationRequest;
+
+ Pipe_Read_Stream_LE(&ConfigurationRequest, sizeof(ConfigurationRequest));
+
+ BT_DEBUG("(ACL) >> L2CAP Configuration Request", NULL);
+ BT_DEBUG("(ACL) -- Destination Channel: 0x%04X", ConfigurationRequest.DestinationChannel);
+
+ Pipe_ClearIN();
+ Pipe_Freeze();
+ Pipe_SelectPipe(BLUETOOTH_DATA_OUT_PIPE);
+ Pipe_SetToken(PIPE_TOKEN_OUT);
+ Pipe_Unfreeze();
+
+ Bluetooth_SignalCommand_ConfigurationResponse_t ConfigurationResponse;
+
+ ACLPacketHeader->DataLength = sizeof(*DataHeader) + sizeof(*SignalCommandHeader) + sizeof(ConfigurationResponse);
+ DataHeader->PayloadLength = sizeof(*SignalCommandHeader) + sizeof(ConfigurationResponse);
+ DataHeader->DestinationChannel = BLUETOOTH_CHANNEL_SIGNALING;
+ SignalCommandHeader->Code = BLUETOOTH_SIGNAL_CONFIGURATION_RESPONSE;
+ SignalCommandHeader->Length = sizeof(ConfigurationResponse);
+
+ Bluetooth_Channel_t* ChannelData = Bluetooth_GetChannelData(ConfigurationRequest.DestinationChannel, CHANNEL_LOOKUP_BY_DESTINATION);
+
+ if (ChannelData != NULL)
+ ChannelData->State = Channel_Open;
+
+ // TODO: Add channel config data to the tail of ConfigurationResponse
+
+ ConfigurationResponse.SourceChannel = ChannelData->RemoteNumber;
+ ConfigurationResponse.Flags = 0x00;
+ ConfigurationResponse.Result = (ChannelData != NULL) ? BLUETOOTH_CONFIGURATION_SUCCESSFUL : BLUETOOTH_CONFIGURATION_REJECTED;
+
+ Pipe_Write_Stream_LE(ACLPacketHeader, sizeof(*ACLPacketHeader));
+ Pipe_Write_Stream_LE(DataHeader, sizeof(*DataHeader));
+ Pipe_Write_Stream_LE(SignalCommandHeader, sizeof(*SignalCommandHeader));
+ Pipe_Write_Stream_LE(&ConfigurationResponse, sizeof(ConfigurationResponse));
+
+ Pipe_ClearOUT();
+ Pipe_Freeze();
+
+ BT_DEBUG("(ACL) Packet Sent", NULL);
+ BT_DEBUG("(ACL) -- Connection Handle: 0x%04X", ACLPacketHeader->ConnectionHandle);
+ BT_DEBUG("(ACL) -- Data Length: 0x%04X", ACLPacketHeader->DataLength);
+ BT_DEBUG("(ACL) -- Destination Channel: 0x%04X", DataHeader->DestinationChannel);
+ BT_DEBUG("(ACL) -- Payload Length: 0x%04X", DataHeader->PayloadLength);
+ BT_DEBUG("(ACL) >> L2CAP Configuration Response", NULL);
+}
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