Removed invalid dfu and flip related targets from the bootloaders - bootloaders can...

[pub/USBasp.git] / Demos / Host / Incomplete / BluetoothHost / Lib / BluetoothACLPackets.c

diff --git a/Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothACLPackets.c b/Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothACLPackets.c
index 7697f88..d18e643 100644 (file)
--- a/Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothACLPackets.c
+++ b/Demos/Host/Incomplete/BluetoothHost/Lib/BluetoothACLPackets.c
@@ -1,21 +1,21 @@
 /*\r
              LUFA Library\r
 /*\r
              LUFA Library\r

-     Copyright (C) Dean Camera, 2009.\r
+     Copyright (C) Dean Camera, 2010.\r

               \r
   dean [at] fourwalledcubicle [dot] com\r
       www.fourwalledcubicle.com\r
 */\r
 \r
 /*\r
               \r
   dean [at] fourwalledcubicle [dot] com\r
       www.fourwalledcubicle.com\r
 */\r
 \r
 /*\r

-  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
-  Permission to use, copy, modify, and distribute this software\r
-  and its documentation for any purpose and without fee is hereby\r
-  granted, provided that the above copyright notice appear in all\r
-  copies and that both that the copyright notice and this\r
-  permission notice and warranty disclaimer appear in supporting\r
-  documentation, and that the name of the author not be used in\r
-  advertising or publicity pertaining to distribution of the\r
+  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+\r
+  Permission to use, copy, modify, distribute, and sell this \r
+  software and its documentation for any purpose is hereby granted\r
+  without fee, provided that the above copyright notice appear in \r
+  all copies and that both that the copyright notice and this\r
+  permission notice and warranty disclaimer appear in supporting \r
+  documentation, and that the name of the author not be used in \r
+  advertising or publicity pertaining to distribution of the \r

   software without specific, written prior permission.\r
 \r
   The author disclaim all warranties with regard to this\r
   software without specific, written prior permission.\r
 \r
   The author disclaim all warranties with regard to this\r


@@ -31,13 +31,81 @@
 #define  INCLUDE_FROM_BLUETOOTH_ACLPACKETS_C\r
 #include "BluetoothACLPackets.h"\r
 \r
 #define  INCLUDE_FROM_BLUETOOTH_ACLPACKETS_C\r
 #include "BluetoothACLPackets.h"\r
 \r

-void Bluetooth_ProcessACLPackets(void)\r
+/** Bluetooth ACL processing task. This task should be called repeatedly the main Bluetooth\r
+ *  stack task to manage the ACL processing state.\r
+ */\r
+void Bluetooth_ACLTask(void)\r
+{\r
+       /* Process incomming ACL packets, if any */\r
+       Bluetooth_ProcessIncommingACLPackets();\r
+       \r
+       /* Check for any half-open channels, send configuration details to the remote device if found */\r
+       for (uint8_t i = 0; i < BLUETOOTH_MAX_OPEN_CHANNELS; i++)\r
+       {\r
+               Bluetooth_Channel_t* ChannelData = &Bluetooth_Connection.Channels[i];\r
+       \r
+               bool MustSendConfigReq = true;\r
+       \r
+               /* Check if we are in a channel state which requires a configuration request to be sent */\r
+               switch (ChannelData->State)\r
+               {\r
+                       case Channel_Config_WaitConfig:\r
+                               ChannelData->State = Channel_Config_WaitReqResp;\r
+                               break;\r
+                       case Channel_Config_WaitSendConfig:\r
+                               ChannelData->State = Channel_Config_WaitResp;\r
+                               break;\r
+                       default:\r
+                               MustSendConfigReq  = false;\r
+                               break;\r
+               }\r
+               \r
+               /* Only send a configuration request if it the channel was in a state which required it */\r
+               if (MustSendConfigReq)\r
+               {\r
+                       struct\r
+                       {\r
+                               BT_Signal_Header_t           SignalCommandHeader;\r
+                               BT_Signal_ConfigurationReq_t ConfigurationRequest;\r
+                               \r
+                               struct\r
+                               {\r
+                                       BT_Config_Option_Header_t Header;\r
+                                       uint16_t Value;\r
+                               } Option_LocalMTU;\r
+                       } PacketData;\r
+                       \r
+                       /* Fill out the Signal Command header in the response packet */\r
+                       PacketData.SignalCommandHeader.Code            = BT_SIGNAL_CONFIGURATION_REQUEST;\r
+                       PacketData.SignalCommandHeader.Identifier      = ++Bluetooth_Connection.SignallingIdentifier;\r
+                       PacketData.SignalCommandHeader.Length          = sizeof(PacketData.ConfigurationRequest) +\r
+                                                                        sizeof(PacketData.Option_LocalMTU);\r
+\r
+                       /* Fill out the Configuration Request in the response packet, including local MTU information */\r
+                       PacketData.ConfigurationRequest.DestinationChannel = ChannelData->RemoteNumber;\r
+                       PacketData.ConfigurationRequest.Flags          = 0;\r
+                       PacketData.Option_LocalMTU.Header.Type         = BT_CONFIG_OPTION_MTU;\r
+                       PacketData.Option_LocalMTU.Header.Length       = sizeof(PacketData.Option_LocalMTU.Value);\r
+                       PacketData.Option_LocalMTU.Value               = ChannelData->LocalMTU;\r
+\r
+                       Bluetooth_SendPacket(&PacketData, sizeof(PacketData), NULL);\r
+                       \r
+                       BT_ACL_DEBUG(1, ">> L2CAP Configuration Request", NULL);\r
+                       BT_ACL_DEBUG(2, "-- Destination Channel: 0x%04X", PacketData.ConfigurationRequest.DestinationChannel);\r
+               }\r
+       }\r
+}\r
+\r
+/** Incomming ACL packet processing task. This task is called by the main ACL processing task to read in and process\r
+ *  any incomming ACL packets to the device, handling signal requests as they are received or passing along channel\r
+ *  data to the user application.\r
+ */\r
+static void Bluetooth_ProcessIncommingACLPackets(void)\r

 {\r
 {\r

-       Bluetooth_ACL_Header_t ACLPacketHeader;\r
-       Bluetooth_DataPacket_Header_t DataHeader;\r
+       BT_ACL_Header_t        ACLPacketHeader;\r
+       BT_DataPacket_Header_t DataHeader;\r

 \r
        Pipe_SelectPipe(BLUETOOTH_DATA_IN_PIPE);\r
 \r
        Pipe_SelectPipe(BLUETOOTH_DATA_IN_PIPE);\r

-       Pipe_SetToken(PIPE_TOKEN_IN);\r

        Pipe_Unfreeze();\r
        \r
        if (!(Pipe_IsReadWriteAllowed()))\r
        Pipe_Unfreeze();\r
        \r
        if (!(Pipe_IsReadWriteAllowed()))\r


@@ -46,38 +114,65 @@ void Bluetooth_ProcessACLPackets(void)
                return;\r
        }\r
          \r
                return;\r
        }\r
          \r

+       /* Read in the received ACL packet headers when it has been discovered that a packet has been received */\r

        Pipe_Read_Stream_LE(&ACLPacketHeader, sizeof(ACLPacketHeader));\r
        Pipe_Read_Stream_LE(&DataHeader, sizeof(DataHeader));\r
 \r
        Pipe_Read_Stream_LE(&ACLPacketHeader, sizeof(ACLPacketHeader));\r
        Pipe_Read_Stream_LE(&DataHeader, sizeof(DataHeader));\r
 \r

-       BT_DEBUG("(ACL) Packet Received", NULL);\r
-       BT_DEBUG("(ACL) -- Connection Handle: 0x%04X", ACLPacketHeader.ConnectionHandle);\r
-       BT_DEBUG("(ACL) -- Data Length: 0x%04X", ACLPacketHeader.DataLength);\r
-       BT_DEBUG("(ACL) -- Destination Channel: 0x%04X", DataHeader.DestinationChannel);\r
-       BT_DEBUG("(ACL) -- Payload Length: 0x%04X", DataHeader.PayloadLength);\r
+       BT_ACL_DEBUG(2, "", NULL);\r
+       BT_ACL_DEBUG(2, "Packet Received", NULL);\r
+       BT_ACL_DEBUG(2, "-- Connection Handle: 0x%04X", (ACLPacketHeader.ConnectionHandle & 0x0FFF));\r
+       BT_ACL_DEBUG(2, "-- Data Length: 0x%04X", ACLPacketHeader.DataLength);\r
+       BT_ACL_DEBUG(2, "-- Destination Channel: 0x%04X", DataHeader.DestinationChannel);\r
+       BT_ACL_DEBUG(2, "-- Payload Length: 0x%04X", DataHeader.PayloadLength);\r

 \r
 \r

-       if (DataHeader.DestinationChannel == BLUETOOTH_CHANNEL_SIGNALING)\r
+       /* Check the packet's destination channel - signalling channel should be processed by the stack internally */\r
+       if (DataHeader.DestinationChannel == BT_CHANNEL_SIGNALING)\r

        {\r
        {\r

-               Bluetooth_SignalCommand_Header_t SignalCommandHeader;\r
+               /* Read in the Signal Command header of the incomming packet */\r
+               BT_Signal_Header_t SignalCommandHeader;\r

                Pipe_Read_Stream_LE(&SignalCommandHeader, sizeof(SignalCommandHeader));\r
                Pipe_Read_Stream_LE(&SignalCommandHeader, sizeof(SignalCommandHeader));\r

-\r
+               \r
+               /* Dispatch to the appropriate handler function based on the Signal message code */\r

                switch (SignalCommandHeader.Code)\r
                {\r
                switch (SignalCommandHeader.Code)\r
                {\r

-                       case BLUETOOTH_SIGNAL_CONNECTION_REQUEST:\r
-                               Bluetooth_ProcessSignalPacket_ConnectionRequest(&ACLPacketHeader, &DataHeader, &SignalCommandHeader);\r
+                       case BT_SIGNAL_CONNECTION_REQUEST:\r
+                               Bluetooth_Signal_ConnectionReq(&SignalCommandHeader);\r

                                break;\r
                                break;\r

-                       case BLUETOOTH_SIGNAL_CONFIGURATION_REQUEST:\r
-                               Bluetooth_ProcessSignalPacket_ConfigurationRequest(&ACLPacketHeader, &DataHeader, &SignalCommandHeader);\r
+                       case BT_SIGNAL_CONNECTION_RESPONSE:\r
+                               Bluetooth_Signal_ConnectionResp(&SignalCommandHeader);\r

                                break;\r
                                break;\r

-                       case BLUETOOTH_SIGNAL_INFORMATION_REQUEST:\r
-                               BT_DEBUG("(ACL) -- Information Request, Discarded");\r
-\r
-                               Pipe_Discard_Stream(ACLPacketHeader.DataLength);\r
-                               Pipe_ClearIN();         \r
-                               Pipe_Freeze();\r
+                       case BT_SIGNAL_CONFIGURATION_REQUEST:\r
+                               Bluetooth_Signal_ConfigurationReq(&SignalCommandHeader);\r
+                               break;\r
+                       case BT_SIGNAL_CONFIGURATION_RESPONSE:\r
+                               Bluetooth_Signal_ConfigurationResp(&SignalCommandHeader);\r
+                               break;\r
+                       case BT_SIGNAL_DISCONNECTION_REQUEST:\r
+                               Bluetooth_Signal_DisconnectionReq(&SignalCommandHeader);\r
+                               break;\r
+                       case BT_SIGNAL_DISCONNECTION_RESPONSE:\r
+                               Bluetooth_Signal_DisconnectionResp(&SignalCommandHeader);\r
+                               break;\r
+                       case BT_SIGNAL_ECHO_REQUEST:\r
+                               Bluetooth_Signal_EchoReq(&SignalCommandHeader);\r
+                               break;\r
+                       case BT_SIGNAL_INFORMATION_REQUEST:\r
+                               Bluetooth_Signal_InformationReq(&SignalCommandHeader);\r
+                               break;\r
+                       case BT_SIGNAL_COMMAND_REJECT:\r
+                               BT_ACL_DEBUG(1, "<< Command Reject", NULL);\r
+                               \r
+                               uint16_t RejectReason;\r
+                               Pipe_Read_Stream_LE(&RejectReason, sizeof(RejectReason));\r
+                               Pipe_Discard_Stream(ACLPacketHeader.DataLength - sizeof(RejectReason));\r
+                               Pipe_ClearIN();\r
+                               Pipe_Freeze();                          \r
+                       \r
+                               BT_ACL_DEBUG(2, "-- Reason: %d", RejectReason);\r

                                break;\r
                        default:\r
                                break;\r
                        default:\r

-                               BT_DEBUG("(ACL) >> Unknown Signalling Command 0x%02X", SignalCommandHeader.Code);\r
-                                       \r
+                               BT_ACL_DEBUG(1, "<< Unknown Signaling Command 0x%02X", SignalCommandHeader.Code);\r
+       \r

                                Pipe_Discard_Stream(ACLPacketHeader.DataLength);\r
                                Pipe_ClearIN();         \r
                                Pipe_Freeze();\r
                                Pipe_Discard_Stream(ACLPacketHeader.DataLength);\r
                                Pipe_ClearIN();         \r
                                Pipe_Freeze();\r


@@ -86,121 +181,558 @@ void Bluetooth_ProcessACLPackets(void)
        }\r
        else\r
        {\r
        }\r
        else\r
        {\r

-               uint8_t DataPayload[DataHeader.PayloadLength];\r
-               Pipe_Read_Stream_LE(&DataPayload, sizeof(DataPayload));\r
-               DataHeader.PayloadLength = 0;\r
+               /* Non-signalling packet received, read in the packet contents and pass to the user application */\r
+               uint8_t PacketData[DataHeader.PayloadLength];\r
+               Pipe_Read_Stream_LE(PacketData, DataHeader.PayloadLength);\r
+               Pipe_ClearIN();\r
+               Pipe_Freeze();\r
+\r
+               Bluetooth_PacketReceived(PacketData, DataHeader.PayloadLength, Bluetooth_GetChannelData(DataHeader.DestinationChannel, false));\r
+       }\r
+}\r
+\r
+/** Sends a packet to the remote device on the specified channel.\r
+ *\r
+ * \param Data     Pointer to a buffer where the data is to be sourced from\r
+ * \param DataLen  Length of the data to send\r
+ * \param Channel  Channel information structure containing the destination channel's information, NULL to send\r
+ *                 to the remote device's signalling channel\r
+ *\r
+ * \return A value from the \ref BT_SendPacket_ErrorCodes_t enum\r
+ */\r
+uint8_t Bluetooth_SendPacket(void* Data, uint16_t DataLen, Bluetooth_Channel_t* Channel)\r
+{\r
+       BT_ACL_Header_t        ACLPacketHeader;\r
+       BT_DataPacket_Header_t DataHeader;\r
+\r
+       /* A remote device must be connected before a packet transmission is attempted */\r
+       if (!(Bluetooth_Connection.IsConnected))\r
+         return BT_SENDPACKET_NotConnected;\r
+\r
+       /* If the destination channel is not the signalling channel and it is not currently fully open, abort */\r
+       if ((Channel != NULL) && (Channel->State != Channel_Open))\r
+         return BT_SENDPACKET_ChannelNotOpen;\r
+\r
+       /* Fill out the packet's header from the remote device connection information structure */\r
+       ACLPacketHeader.ConnectionHandle      = (Bluetooth_Connection.ConnectionHandle | BT_ACL_FIRST_AUTOFLUSH);\r
+       ACLPacketHeader.DataLength            = sizeof(DataHeader) + DataLen;\r
+       DataHeader.PayloadLength              = DataLen;\r
+       DataHeader.DestinationChannel         = (Channel == NULL) ? BT_CHANNEL_SIGNALING : Channel->RemoteNumber;\r
+\r
+       Pipe_SelectPipe(BLUETOOTH_DATA_OUT_PIPE);\r
+       Pipe_Unfreeze();\r
+       \r
+       /* Write the packet contents to the pipe so that it can be sent to the remote device */\r
+       Pipe_Write_Stream_LE(&ACLPacketHeader, sizeof(ACLPacketHeader));\r
+       Pipe_Write_Stream_LE(&DataHeader, sizeof(DataHeader));\r
+       Pipe_Write_Stream_LE(Data, DataLen);\r
+       Pipe_ClearOUT();\r
+       \r
+       Pipe_Freeze();\r

        \r
        \r

-               BT_DEBUG("(ACL) -- Data Payload: ", NULL);\r
-               for (uint16_t B = 0; B < sizeof(DataPayload); B++)\r
-                 printf("0x%02X ", DataPayload[B]);\r
-               BT_DEBUG("", NULL);\r
+       BT_ACL_DEBUG(2, "", NULL);\r
+       BT_ACL_DEBUG(2, "Packet Sent", NULL);\r
+       BT_ACL_DEBUG(2, "-- Connection Handle: 0x%04X", (ACLPacketHeader.ConnectionHandle & 0x0FFF));\r
+       BT_ACL_DEBUG(2, "-- Data Length: 0x%04X", ACLPacketHeader.DataLength);\r
+       BT_ACL_DEBUG(2, "-- Destination Channel: 0x%04X", DataHeader.DestinationChannel);\r
+       BT_ACL_DEBUG(2, "-- Payload Length: 0x%04X", DataHeader.PayloadLength);\r

 \r
 \r

-               Pipe_Discard_Stream(ACLPacketHeader.DataLength);\r
-               Pipe_ClearIN();         \r
-               Pipe_Freeze();\r
+       return BT_SENDPACKET_NoError;\r
+}\r
+\r
+/** Opens a bluetooth channel to the currently connected remote device, so that data can be exchanged.\r
+ *\r
+ *  \note The channel is not immediately opened when this function returns - it must undergo a two way\r
+ *        connection and configuration process first as the main Bluetooth stack processing task is\r
+ *        repeatedly called. The returned channel is unusable by the user application until its State\r
+ *        element has progressed to the Open state.\r
+ *\r
+ *  \param PSM  PSM of the service that the channel is to be opened for\r
+ *\r
+ *  \return Pointer to the channel information structure of the opened channel, or NULL if no free channels\r
+ */\r
+Bluetooth_Channel_t* Bluetooth_OpenChannel(uint16_t PSM)\r
+{\r
+       Bluetooth_Channel_t* ChannelData = NULL;\r
+\r
+       /* Search through the channel information list for a free channel item */\r
+       for (uint8_t i = 0; i < BLUETOOTH_MAX_OPEN_CHANNELS; i++)\r
+       {\r
+               if (Bluetooth_Connection.Channels[i].State == Channel_Closed)\r
+               {\r
+                       ChannelData = &Bluetooth_Connection.Channels[i];\r
+                       \r
+                       /* Set the new channel structure's local channel number to a unique value within the connection orientated\r
+                          channel address space */\r
+                       ChannelData->LocalNumber = (BT_CHANNELNUMBER_BASEOFFSET + i);\r
+                       break;\r
+               }\r

        }\r
        }\r

+\r
+       /* If no free channel item was found in the list, all channels are occupied - abort */\r
+       if (ChannelData == NULL)\r
+         return NULL;\r
+\r
+       /* Reset and fill out the allocated channel's information structure with defaults */\r
+       ChannelData->RemoteNumber = 0;\r
+       ChannelData->PSM          = PSM;\r
+       ChannelData->LocalMTU     = MAXIMUM_CHANNEL_MTU;\r
+       ChannelData->State        = Channel_WaitConnectRsp;\r
+         \r
+       struct\r
+       {\r
+               BT_Signal_Header_t        SignalCommandHeader;\r
+               BT_Signal_ConnectionReq_t ConnectionRequest;\r
+       } PacketData;\r
+\r
+       /* Fill out the Signal Command header in the response packet */\r
+       PacketData.SignalCommandHeader.Code              = BT_SIGNAL_CONNECTION_REQUEST;\r
+       PacketData.SignalCommandHeader.Identifier        = ++Bluetooth_Connection.SignallingIdentifier;\r
+       PacketData.SignalCommandHeader.Length            = sizeof(PacketData.ConnectionRequest);\r
+       \r
+       /* Fill out the Connection Request in the response packet */\r
+       PacketData.ConnectionRequest.PSM                 = PSM;\r
+       PacketData.ConnectionRequest.SourceChannel       = ChannelData->LocalNumber;\r
+       \r
+       Bluetooth_SendPacket(&PacketData, sizeof(PacketData), NULL);\r
+\r
+       BT_ACL_DEBUG(1, ">> L2CAP Connection Request", NULL);\r
+       BT_ACL_DEBUG(2, "-- PSM 0x%04X", PacketData.ConnectionRequest.PSM);\r
+       BT_ACL_DEBUG(2, "-- Source Channel: 0x%04X", PacketData.ConnectionRequest.SourceChannel);\r
+\r
+       return ChannelData;\r

 }\r
 \r
 }\r
 \r

-static inline void Bluetooth_ProcessSignalPacket_ConnectionRequest(Bluetooth_ACL_Header_t* ACLPacketHeader,\r
-                                                                   Bluetooth_DataPacket_Header_t* DataHeader,\r
-                                                                   Bluetooth_SignalCommand_Header_t* SignalCommandHeader)\r
+/** Closes a bluetooth channel that is open to the currently connected remote device, so that no further data\r
+ *  can be exchanged.\r
+ *\r
+ *  \note The channel is not immediately closed when this function returns - it must undergo an asynchronous\r
+ *        disconnection process first as the main Bluetooth stack processing task is repeatedly called. The\r
+ *        returned channel is unusable by the user application upon return however the channel is not completely\r
+ *        closed until its State element has progressed to the Closed state.\r
+ *\r
+ * \param Channel  Channel information structure of the channel to close\r
+ */\r
+void Bluetooth_CloseChannel(Bluetooth_Channel_t* Channel)\r

 {\r
 {\r

-       Bluetooth_SignalCommand_ConnectionRequest_t ConnectionRequest;\r
+       /* Don't try to close a non-existing or already closed channel */\r
+       if ((Channel == NULL) || (Channel->State == Channel_Closed))\r
+         return;\r
+\r
+       /* Set the channel's state to the start of the teardown process */\r
+       Channel->State = Channel_WaitDisconnect;\r
+\r
+       struct\r
+       {\r
+               BT_Signal_Header_t           SignalCommandHeader;\r
+               BT_Signal_DisconnectionReq_t DisconnectionRequest;\r
+       } PacketData;\r

        \r
        \r

-       Pipe_Read_Stream_LE(&ConnectionRequest, sizeof(ConnectionRequest));\r
+       /* Fill out the Signal Command header in the response packet */\r
+       PacketData.SignalCommandHeader.Code            = BT_SIGNAL_DISCONNECTION_REQUEST;\r
+       PacketData.SignalCommandHeader.Identifier      = ++Bluetooth_Connection.SignallingIdentifier;\r
+       PacketData.SignalCommandHeader.Length          = sizeof(PacketData.DisconnectionRequest);\r
+\r
+       /* Fill out the Disconnection Request in the response packet */\r
+       PacketData.DisconnectionRequest.DestinationChannel = Channel->RemoteNumber;\r
+       PacketData.DisconnectionRequest.SourceChannel = Channel->LocalNumber;\r
+\r
+       Bluetooth_SendPacket(&PacketData, sizeof(PacketData), NULL);\r
+       \r
+       BT_ACL_DEBUG(1, ">> L2CAP Disconnection Request", NULL);\r
+       BT_ACL_DEBUG(2, "-- Destination Channel: 0x%04X", PacketData.DisconnectionRequest.DestinationChannel);  \r
+       BT_ACL_DEBUG(2, "-- Source Channel: 0x%04X", PacketData.DisconnectionRequest.SourceChannel);    \r
+}\r

 \r
 \r

-       BT_DEBUG("(ACL) >> L2CAP Connection Request", NULL);\r
-       BT_DEBUG("(ACL) -- PSM: 0x%04X", ConnectionRequest.PSM);\r
-       BT_DEBUG("(ACL) -- Source Channel: 0x%04X", ConnectionRequest.SourceChannel);\r
+/** Internal Bluetooth stack Signal Command processing routine for a Connection Request command.\r
+ *\r
+ *  \param  SignalCommandHeader  Pointer to the start of the received packet's Signal Command header\r
+ */\r
+static inline void Bluetooth_Signal_ConnectionReq(BT_Signal_Header_t* SignalCommandHeader)\r
+{\r
+       BT_Signal_ConnectionReq_t ConnectionRequest;\r

        \r
        \r

+       Pipe_Read_Stream_LE(&ConnectionRequest, sizeof(ConnectionRequest));\r
+\r

        Pipe_ClearIN();\r
        Pipe_Freeze();\r
        Pipe_ClearIN();\r
        Pipe_Freeze();\r

-       Pipe_SelectPipe(BLUETOOTH_DATA_OUT_PIPE);\r
-       Pipe_SetToken(PIPE_TOKEN_OUT);\r
-       Pipe_Unfreeze();\r
+\r
+       BT_ACL_DEBUG(1, "<< L2CAP Connection Request", NULL);\r
+       BT_ACL_DEBUG(2, "-- PSM: 0x%04X", ConnectionRequest.PSM);\r
+       BT_ACL_DEBUG(2, "-- Source Channel: 0x%04X", ConnectionRequest.SourceChannel);\r
+       \r
+       /* Try to retrieve the existing channel's information structure if it exists */\r
+       Bluetooth_Channel_t* ChannelData = Bluetooth_GetChannelData(ConnectionRequest.SourceChannel, true);\r
+\r
+       /* If an existing channel item with the correct remote channel number was not found, find a free channel entry */\r
+       if (ChannelData == NULL)\r
+       {\r
+               /* Look through the channel information list for a free entry */\r
+               for (uint8_t i = 0; i < BLUETOOTH_MAX_OPEN_CHANNELS; i++)\r
+               {\r
+                       if (Bluetooth_Connection.Channels[i].State == Channel_Closed)\r
+                       {\r
+                               ChannelData = &Bluetooth_Connection.Channels[i];\r
+\r
+                               /* Set the new channel structure's local channel number to a unique value within the connection orientated\r
+                                  channel address space */\r
+                               ChannelData->LocalNumber = (BT_CHANNELNUMBER_BASEOFFSET + i);\r
+                               break;\r
+                       }\r
+               }\r
+       }\r
+\r
+       /* Reset the channel item contents only if a channel entry was found for it */\r
+       if (ChannelData != NULL)\r
+       {\r
+               ChannelData->RemoteNumber = ConnectionRequest.SourceChannel;\r
+               ChannelData->PSM          = ConnectionRequest.PSM;\r
+               ChannelData->LocalMTU     = MAXIMUM_CHANNEL_MTU;\r
+               ChannelData->State        = Channel_Config_WaitConfig;\r
+       }\r
+       \r
+       struct\r
+       {\r
+               BT_Signal_Header_t         SignalCommandHeader;\r
+               BT_Signal_ConnectionResp_t ConnectionResponse;\r
+       } ResponsePacket;\r
+\r
+       /* Fill out the Signal Command header in the response packet */\r
+       ResponsePacket.SignalCommandHeader.Code              = BT_SIGNAL_CONNECTION_RESPONSE;\r
+       ResponsePacket.SignalCommandHeader.Identifier        = SignalCommandHeader->Identifier;\r
+       ResponsePacket.SignalCommandHeader.Length            = sizeof(ResponsePacket.ConnectionResponse);\r
+\r
+       /* Fill out the Connection Response in the response packet */\r
+       ResponsePacket.ConnectionResponse.DestinationChannel = ChannelData->LocalNumber;\r
+       ResponsePacket.ConnectionResponse.SourceChannel      = ChannelData->RemoteNumber;\r
+       ResponsePacket.ConnectionResponse.Result             = (ChannelData == NULL) ? BT_CONNECTION_REFUSED_RESOURCES :\r
+                                                                                      BT_CONNECTION_SUCCESSFUL;\r
+       ResponsePacket.ConnectionResponse.Status             = 0x00;\r

        \r
        \r

-       Bluetooth_SignalCommand_ConnectionResponse_t ConnectionResponse;\r
+       Bluetooth_SendPacket(&ResponsePacket, sizeof(ResponsePacket), NULL);\r

 \r
 \r

-       ACLPacketHeader->DataLength           = sizeof(*DataHeader) + sizeof(*SignalCommandHeader) + sizeof(ConnectionResponse);\r
-       DataHeader->PayloadLength             = sizeof(*SignalCommandHeader) + sizeof(ConnectionResponse);\r
-       DataHeader->DestinationChannel        = BLUETOOTH_CHANNEL_SIGNALING;\r
-       SignalCommandHeader->Code             = BLUETOOTH_SIGNAL_CONNECTION_RESPONSE;\r
-       SignalCommandHeader->Length           = sizeof(ConnectionResponse);\r
+       BT_ACL_DEBUG(1, ">> L2CAP Connection Response", NULL);\r
+       BT_ACL_DEBUG(2, "-- Result: 0x%02X", ResponsePacket.ConnectionResponse.Result);\r
+       BT_ACL_DEBUG(2, "-- Destination Channel: 0x%04X", ResponsePacket.ConnectionResponse.DestinationChannel);\r
+       BT_ACL_DEBUG(2, "-- Source Channel: 0x%04X", ResponsePacket.ConnectionResponse.SourceChannel);\r
+}\r
+\r
+/** Internal Bluetooth stack Signal Command processing routine for a Connection Response command.\r
+ *\r
+ *  \param  SignalCommandHeader  Pointer to the start of the received packet's Signal Command header\r
+ */\r
+static inline void Bluetooth_Signal_ConnectionResp(BT_Signal_Header_t* SignalCommandHeader)\r
+{\r
+       BT_Signal_ConnectionResp_t ConnectionResponse;\r

        \r
        \r

-       Bluetooth_Channel_t* ChannelData      = Bluetooth_InitChannelData(ConnectionRequest.SourceChannel, ConnectionRequest.PSM);\r
+       Pipe_Read_Stream_LE(&ConnectionResponse, sizeof(ConnectionResponse));\r
+\r
+       Pipe_ClearIN();\r
+       Pipe_Freeze();\r
+\r
+       BT_ACL_DEBUG(1, "<< L2CAP Connection Response", NULL);\r
+       BT_ACL_DEBUG(2, "-- Result: 0x%02X", ConnectionResponse.Result);        \r
+       BT_ACL_DEBUG(2, "-- Source Channel: 0x%04X", ConnectionResponse.SourceChannel); \r
+       BT_ACL_DEBUG(2, "-- Destination Channel: 0x%04X", ConnectionResponse.DestinationChannel);       \r
+\r
+       /* Search for the referenced channel in the channel information list */\r
+       Bluetooth_Channel_t* ChannelData = Bluetooth_GetChannelData(ConnectionResponse.SourceChannel, false);\r
+\r
+       /* Only progress if the referenced channel data was found */\r
+       if (ChannelData != NULL)\r
+       {\r
+               /* Set the channel structure's remote channel number to the channel allocated on the remote device */\r
+               ChannelData->RemoteNumber = ConnectionResponse.SourceChannel;\r
+               ChannelData->State        = (ConnectionResponse.Result == BT_CONNECTION_SUCCESSFUL) ?\r
+                                            Channel_Config_WaitConfig : Channel_Closed;\r
+       }\r
+}\r
+\r
+/** Internal Bluetooth stack Signal Command processing routine for a Configuration Request command.\r
+ *\r
+ *  \param  SignalCommandHeader  Pointer to the start of the received packet's Signal Command header\r
+ */\r
+static inline void Bluetooth_Signal_ConfigurationReq(BT_Signal_Header_t* SignalCommandHeader)\r
+{\r
+       BT_Signal_ConfigurationReq_t ConfigurationRequest;\r

        \r
        \r

-       ConnectionResponse.Result             = (ChannelData == NULL) ? BLUETOOTH_CONNECTION_REFUSED_RESOURCES :\r
-                                                                                                                                   BLUETOOTH_CONNECTION_SUCCESSFUL;\r
-       ConnectionResponse.DestinationChannel = ChannelData->LocalNumber;\r
-       ConnectionResponse.SourceChannel      = ChannelData->RemoteNumber;\r
-       ConnectionResponse.Status             = 0x00;\r
+       /* Allocate a buffer large enough to hold the variable number of configuration options in the request */\r
+       uint8_t OptionsLen = (SignalCommandHeader->Length - sizeof(ConfigurationRequest));\r
+       uint8_t Options[OptionsLen];\r

 \r
 \r

-       Pipe_Write_Stream_LE(ACLPacketHeader, sizeof(*ACLPacketHeader));\r
-       Pipe_Write_Stream_LE(DataHeader, sizeof(*DataHeader));\r
-       Pipe_Write_Stream_LE(SignalCommandHeader, sizeof(*SignalCommandHeader));\r
-       Pipe_Write_Stream_LE(&ConnectionResponse, sizeof(ConnectionResponse));\r
+       Pipe_Read_Stream_LE(&ConfigurationRequest, sizeof(ConfigurationRequest));       \r
+       Pipe_Read_Stream_LE(&Options, sizeof(Options));\r
+\r
+       Pipe_ClearIN();\r
+       Pipe_Freeze();\r
+\r
+       /* Search for the referenced channel in the channel information list */\r
+       Bluetooth_Channel_t* ChannelData = Bluetooth_GetChannelData(ConfigurationRequest.DestinationChannel, false);\r
+\r
+       BT_ACL_DEBUG(1, "<< L2CAP Configuration Request", NULL);\r
+       BT_ACL_DEBUG(2, "-- Destination Channel: 0x%04X", ConfigurationRequest.DestinationChannel);\r
+       BT_ACL_DEBUG(2, "-- Remote MTU: 0x%04X", ChannelData->RemoteMTU);\r
+       BT_ACL_DEBUG(2, "-- Options Len: 0x%04X", OptionsLen);\r
+\r
+       /* Only look at the channel configuration options if a valid channel entry for the local channel number was found */\r
+       if (ChannelData != NULL)\r
+       {\r
+               /* Iterate through each option in the configuration request to look for ones which can be processed */\r
+               uint8_t OptionPos = 0;\r
+               while (OptionPos < OptionsLen)\r
+               {\r
+                       BT_Config_Option_Header_t* OptionHeader = (BT_Config_Option_Header_t*)&Options[OptionPos];\r
+                       void*                      OptionData   = &Options[OptionPos + sizeof(*OptionHeader)];\r
+\r
+                       BT_ACL_DEBUG(2, "-- Option Type: 0x%04X", OptionHeader->Type);\r
+                       BT_ACL_DEBUG(2, "-- Option Length: 0x%04X", (sizeof(*OptionHeader) + OptionHeader->Length));\r
+                       \r
+                       /* Store the remote MTU option's value if present */\r
+                       if (OptionHeader->Type == BT_CONFIG_OPTION_MTU)\r
+                         ChannelData->RemoteMTU = *((uint16_t*)OptionData);\r
+\r
+                       /* Progress to the next option in the packet */\r
+                       OptionPos += (sizeof(*OptionHeader) + OptionHeader->Length);\r
+               }\r
+       }\r

        \r
        \r

-       Pipe_ClearOUT();                \r
+       struct\r
+       {\r
+               BT_Signal_Header_t            SignalCommandHeader;\r
+               BT_Signal_ConfigurationResp_t ConfigurationResponse;\r
+       } ResponsePacket;\r
+\r
+       /* Fill out the Signal Command header in the response packet */\r
+       ResponsePacket.SignalCommandHeader.Code              = BT_SIGNAL_CONFIGURATION_RESPONSE;\r
+       ResponsePacket.SignalCommandHeader.Identifier        = SignalCommandHeader->Identifier;\r
+       ResponsePacket.SignalCommandHeader.Length            = sizeof(ResponsePacket.ConfigurationResponse);\r
+\r
+       /* Fill out the Configuration Response in the response packet */\r
+       ResponsePacket.ConfigurationResponse.SourceChannel   = ChannelData->RemoteNumber;\r
+       ResponsePacket.ConfigurationResponse.Flags           = 0x00;\r
+       ResponsePacket.ConfigurationResponse.Result          = (ChannelData != NULL) ? BT_CONFIGURATION_SUCCESSFUL : BT_CONFIGURATION_REJECTED;\r
+\r
+       Bluetooth_SendPacket(&ResponsePacket, sizeof(ResponsePacket), NULL);\r
+\r
+       if (ChannelData != NULL)\r
+       {\r
+               switch (ChannelData->State)\r
+               {\r
+                       case Channel_Config_WaitConfig:\r
+                               ChannelData->State = Channel_Config_WaitSendConfig;\r
+                               break;\r
+                       case Channel_Config_WaitReqResp:\r
+                               ChannelData->State = Channel_Config_WaitResp;\r
+                               break;\r
+                       case Channel_Config_WaitReq:\r
+                               ChannelData->State = Channel_Open;\r
+                               break;\r
+               }\r
+       }\r
+\r
+       BT_ACL_DEBUG(1, ">> L2CAP Configuration Response", NULL);\r
+       BT_ACL_DEBUG(2, "-- Source Channel: 0x%04X", ResponsePacket.ConfigurationResponse.SourceChannel);\r
+       BT_ACL_DEBUG(2, "-- Result: 0x%02X", ResponsePacket.ConfigurationResponse.Result);\r
+}\r
+\r
+/** Internal Bluetooth stack Signal Command processing routine for a Configuration Response command.\r
+ *\r
+ *  \param  SignalCommandHeader  Pointer to the start of the received packet's Signal Command header\r
+ */\r
+static inline void Bluetooth_Signal_ConfigurationResp(BT_Signal_Header_t* SignalCommandHeader)\r
+{\r
+       BT_Signal_ConfigurationResp_t ConfigurationResponse;\r
+\r
+       Pipe_Read_Stream_LE(&ConfigurationResponse, sizeof(ConfigurationResponse));\r
+\r
+       Pipe_ClearIN();\r

        Pipe_Freeze();\r
        \r
        Pipe_Freeze();\r
        \r

-       BT_DEBUG("(ACL) Packet Sent", NULL);\r
-       BT_DEBUG("(ACL) -- Connection Handle: 0x%04X", ACLPacketHeader->ConnectionHandle);\r
-       BT_DEBUG("(ACL) -- Data Length: 0x%04X", ACLPacketHeader->DataLength);\r
-       BT_DEBUG("(ACL) -- Destination Channel: 0x%04X", DataHeader->DestinationChannel);\r
-       BT_DEBUG("(ACL) -- Payload Length: 0x%04X", DataHeader->PayloadLength);                 \r
-       BT_DEBUG("(ACL) >> L2CAP Connection Response", NULL);\r
-       BT_DEBUG("(ACL) -- Source Channel: 0x%04X", ConnectionResponse.SourceChannel);\r
-       BT_DEBUG("(ACL) -- Destination Channel: 0x%04X", ConnectionResponse.DestinationChannel);\r
+       BT_ACL_DEBUG(1, "<< L2CAP Configuration Response", NULL);\r
+       BT_ACL_DEBUG(2, "-- Source Channel: 0x%04X", ConfigurationResponse.SourceChannel);\r
+       BT_ACL_DEBUG(2, "-- Result: 0x%02X", ConfigurationResponse.Result);\r
+\r
+       /* Search for the referenced channel in the channel information list */\r
+       Bluetooth_Channel_t* ChannelData = Bluetooth_GetChannelData(ConfigurationResponse.SourceChannel, true);\r
+       \r
+       /* Only update the channel's state if it was found in the channel list */\r
+       if (ChannelData != NULL)\r
+       {\r
+               /* Check if the channel configuration completed successfuly */\r
+               if (ConfigurationResponse.Result == BT_CONFIGURATION_SUCCESSFUL)\r
+               {\r
+                       switch (ChannelData->State)\r
+                       {\r
+                               case Channel_Config_WaitReqResp:\r
+                                       ChannelData->State = Channel_Config_WaitReq;\r
+                                       break;\r
+                               case Channel_Config_WaitResp:\r
+                                       ChannelData->State = Channel_Open;\r
+                                       break;\r
+                       }       \r
+               }\r
+               else\r
+               {\r
+                       /* Configuration failed - close the channel */\r
+                       ChannelData->State = Channel_Closed;\r
+               }\r
+       }\r

 }\r
 \r
 }\r
 \r

-static inline void Bluetooth_ProcessSignalPacket_ConfigurationRequest(Bluetooth_ACL_Header_t* ACLPacketHeader,\r
-                                                                      Bluetooth_DataPacket_Header_t* DataHeader,\r
-                                                                      Bluetooth_SignalCommand_Header_t* SignalCommandHeader)\r
+/** Internal Bluetooth stack Signal Command processing routine for a Disconnection Request command.\r
+ *\r
+ *  \param  SignalCommandHeader  Pointer to the start of the received packet's Signal Command header\r
+ */\r
+static inline void Bluetooth_Signal_DisconnectionReq(BT_Signal_Header_t* SignalCommandHeader)\r

 {\r
 {\r

-       Bluetooth_SignalCommand_ConfigurationRequest_t ConfigurationRequest;\r
+       BT_Signal_DisconnectionReq_t DisconnectionRequest;\r

        \r
        \r

-       Pipe_Read_Stream_LE(&ConfigurationRequest, sizeof(ConfigurationRequest));\r
+       Pipe_Read_Stream_LE(&DisconnectionRequest, sizeof(DisconnectionRequest));\r

 \r
 \r

-       BT_DEBUG("(ACL) >> L2CAP Configuration Request", NULL);\r
-       BT_DEBUG("(ACL) -- Destination Channel: 0x%04X", ConfigurationRequest.DestinationChannel);\r
+       BT_ACL_DEBUG(1, "<< L2CAP Disconnection Request", NULL);\r
+       BT_ACL_DEBUG(2, "-- Destination Channel: 0x%04X", DisconnectionRequest.DestinationChannel);\r
+       BT_ACL_DEBUG(2, "-- Source Channel: 0x%04X", DisconnectionRequest.SourceChannel);\r

        \r
        Pipe_ClearIN();\r
        Pipe_Freeze();\r
        \r
        Pipe_ClearIN();\r
        Pipe_Freeze();\r

-       Pipe_SelectPipe(BLUETOOTH_DATA_OUT_PIPE);\r
-       Pipe_SetToken(PIPE_TOKEN_OUT);\r
-       Pipe_Unfreeze();\r

        \r
        \r

-       Bluetooth_SignalCommand_ConfigurationResponse_t ConfigurationResponse;\r
+       /* Search for the referenced channel in the channel information list */\r
+       Bluetooth_Channel_t* ChannelData = Bluetooth_GetChannelData(DisconnectionRequest.SourceChannel, true);\r
+\r
+       struct\r
+       {\r
+               BT_Signal_Header_t            SignalCommandHeader;\r
+               BT_Signal_DisconnectionResp_t DisconnectionResponse;\r
+       } ResponsePacket;\r
+\r
+       /* Fill out the Signal Command header in the response packet */\r
+       ResponsePacket.SignalCommandHeader.Code                 = BT_SIGNAL_DISCONNECTION_RESPONSE;\r
+       ResponsePacket.SignalCommandHeader.Identifier           = SignalCommandHeader->Identifier;\r
+       ResponsePacket.SignalCommandHeader.Length               = sizeof(ResponsePacket.DisconnectionResponse);\r
+\r
+       /* Fill out the Disconnection Response in the response packet */\r
+       ResponsePacket.DisconnectionResponse.DestinationChannel = ChannelData->RemoteNumber;\r
+       ResponsePacket.DisconnectionResponse.SourceChannel      = ChannelData->LocalNumber;\r

 \r
 \r

-       ACLPacketHeader->DataLength           = sizeof(*DataHeader) + sizeof(*SignalCommandHeader) + sizeof(ConfigurationResponse);\r
-       DataHeader->PayloadLength             = sizeof(*SignalCommandHeader) + sizeof(ConfigurationResponse);\r
-       DataHeader->DestinationChannel        = BLUETOOTH_CHANNEL_SIGNALING;\r
-       SignalCommandHeader->Code             = BLUETOOTH_SIGNAL_CONFIGURATION_RESPONSE;\r
-       SignalCommandHeader->Length           = sizeof(ConfigurationResponse);\r
+       Bluetooth_SendPacket(&ResponsePacket, sizeof(ResponsePacket), NULL);\r
+\r
+       /* If the channel was found in the channel list, close it */\r
+       if (ChannelData != NULL)\r
+         ChannelData->State = Channel_Closed;\r
+\r
+       BT_ACL_DEBUG(1, ">> L2CAP Disconnection Response", NULL);\r
+       BT_ACL_DEBUG(2, "-- Source Channel: 0x%04X", ResponsePacket.DisconnectionResponse.SourceChannel);\r
+       BT_ACL_DEBUG(2, "-- Destination Channel: 0x%04X", ResponsePacket.DisconnectionResponse.DestinationChannel);\r
+}\r
+\r
+/** Internal Bluetooth stack Signal Command processing routine for a Disconnection Response command.\r
+ *\r
+ *  \param  SignalCommandHeader  Pointer to the start of the received packet's Signal Command header\r
+ */\r
+static inline void Bluetooth_Signal_DisconnectionResp(BT_Signal_Header_t* SignalCommandHeader)\r
+{\r
+       BT_Signal_DisconnectionResp_t DisconnectionResponse;\r

        \r
        \r

-       Bluetooth_Channel_t* ChannelData      = Bluetooth_GetChannelData(ConfigurationRequest.DestinationChannel, CHANNEL_LOOKUP_BY_DESTINATION);\r
+       Pipe_Read_Stream_LE(&DisconnectionResponse, sizeof(DisconnectionResponse));\r

 \r
 \r

+       BT_ACL_DEBUG(1, "<< L2CAP Disconnection Response", NULL);\r
+       BT_ACL_DEBUG(2, "-- Destination Channel: 0x%04X", DisconnectionResponse.DestinationChannel);\r
+       BT_ACL_DEBUG(2, "-- Source Channel: 0x%04X", DisconnectionResponse.SourceChannel);\r
+       \r
+       Pipe_ClearIN();\r
+       Pipe_Freeze();\r
+       \r
+       /* Search for the referenced channel in the channel information list */\r
+       Bluetooth_Channel_t* ChannelData = Bluetooth_GetChannelData(DisconnectionResponse.SourceChannel, true);\r
+       \r
+       /* If the channel was found in the channel list, close it */    \r

        if (ChannelData != NULL)\r
        if (ChannelData != NULL)\r

-         ChannelData->State = Channel_Open;\r
-         \r
-        // TODO: Add channel config data to the tail of ConfigurationResponse\r
+         ChannelData->State = Channel_Closed;\r
+}\r
+\r
+/** Internal Bluetooth stack Signal Command processing routine for an Echo Request command.\r
+ *\r
+ *  \param  SignalCommandHeader  Pointer to the start of the received packet's Signal Command header\r
+ */\r
+static inline void Bluetooth_Signal_EchoReq(BT_Signal_Header_t* SignalCommandHeader)\r
+{\r
+       BT_ACL_DEBUG(1, "<< L2CAP Echo Request", NULL);\r
+       \r
+       Pipe_ClearIN();\r
+       Pipe_Freeze();\r
+       \r
+       struct\r
+       {\r
+               BT_Signal_Header_t SignalCommandHeader;\r
+       } ResponsePacket;\r
+\r
+       /* Fill out the Signal Command header in the response packet */\r
+       ResponsePacket.SignalCommandHeader.Code                 = BT_SIGNAL_ECHO_RESPONSE;\r
+       ResponsePacket.SignalCommandHeader.Identifier           = SignalCommandHeader->Identifier;\r
+       ResponsePacket.SignalCommandHeader.Length               = 0;\r
+       \r
+       Bluetooth_SendPacket(&ResponsePacket, sizeof(ResponsePacket), NULL);\r
+\r
+       BT_ACL_DEBUG(1, ">> L2CAP Echo Response", NULL);\r
+}\r

 \r
 \r

-       ConfigurationResponse.SourceChannel   = ChannelData->RemoteNumber;\r
-       ConfigurationResponse.Flags           = 0x00;\r
-       ConfigurationResponse.Result          = (ChannelData != NULL) ? BLUETOOTH_CONFIGURATION_SUCCESSFUL : BLUETOOTH_CONFIGURATION_REJECTED;\r
+/** Internal Bluetooth stack Signal Command processing routine for an Information Request command.\r
+ *\r
+ *  \param  SignalCommandHeader  Pointer to the start of the received packet's Signal Command header\r
+ */\r
+static inline void Bluetooth_Signal_InformationReq(BT_Signal_Header_t* SignalCommandHeader)\r
+{\r
+       BT_Signal_InformationReq_t InformationRequest;\r
+\r
+       Pipe_Read_Stream_LE(&InformationRequest, sizeof(InformationRequest));\r

 \r
 \r

-       Pipe_Write_Stream_LE(ACLPacketHeader, sizeof(*ACLPacketHeader));\r
-       Pipe_Write_Stream_LE(DataHeader, sizeof(*DataHeader));\r
-       Pipe_Write_Stream_LE(SignalCommandHeader, sizeof(*SignalCommandHeader));\r
-       Pipe_Write_Stream_LE(&ConfigurationResponse, sizeof(ConfigurationResponse));\r
+       BT_ACL_DEBUG(1, "<< L2CAP Information Request", NULL);\r
+       BT_ACL_DEBUG(2, "-- Info Type: 0x%04X", InformationRequest.InfoType);\r

        \r
        \r

-       Pipe_ClearOUT();                \r
+       Pipe_ClearIN();\r

        Pipe_Freeze();\r
        Pipe_Freeze();\r

+\r
+       struct\r
+       {\r
+               BT_Signal_Header_t SignalCommandHeader;\r
+               BT_Signal_InformationResp_t InformationResponse;\r
+               \r
+               uint8_t Data[4];\r
+       } ResponsePacket;\r
+       \r
+       uint8_t DataLen = 0;\r

        \r
        \r

-       BT_DEBUG("(ACL) Packet Sent", NULL);\r
-       BT_DEBUG("(ACL) -- Connection Handle: 0x%04X", ACLPacketHeader->ConnectionHandle);\r
-       BT_DEBUG("(ACL) -- Data Length: 0x%04X", ACLPacketHeader->DataLength);\r
-       BT_DEBUG("(ACL) -- Destination Channel: 0x%04X", DataHeader->DestinationChannel);\r
-       BT_DEBUG("(ACL) -- Payload Length: 0x%04X", DataHeader->PayloadLength);                 \r
-       BT_DEBUG("(ACL) >> L2CAP Configuration Response", NULL);\r
+       /* Retrieve the requested information and store it in the outgoing packet, if found */\r
+       switch (InformationRequest.InfoType)\r
+       {\r
+               case BT_INFOREQ_MTU:            \r
+                       ResponsePacket.InformationResponse.Result = BT_INFORMATION_SUCCESSFUL;\r
+                       DataLen = 2;\r
+                       \r
+                       *((uint16_t*)&ResponsePacket.Data) = MAXIMUM_CHANNEL_MTU;\r
+                       break;\r
+               case BT_INFOREQ_EXTENDEDFEATURES:\r
+                       ResponsePacket.InformationResponse.Result = BT_INFORMATION_SUCCESSFUL;\r
+                       DataLen = 4;\r
+                       \r
+                       *((uint32_t*)&ResponsePacket.Data) = 0;\r
+                       break;\r
+               default:\r
+                       ResponsePacket.InformationResponse.Result = BT_INFORMATION_NOTSUPPORTED;\r
+                       DataLen = 0;\r
+                       break;\r
+       }\r
+       \r
+       /* Fill out the Signal Command header in the response packet */\r
+       ResponsePacket.SignalCommandHeader.Code                 = BT_SIGNAL_INFORMATION_RESPONSE;\r
+       ResponsePacket.SignalCommandHeader.Identifier           = SignalCommandHeader->Identifier;\r
+       ResponsePacket.SignalCommandHeader.Length               = sizeof(ResponsePacket.InformationResponse) + DataLen;\r
+\r
+       /* Fill out the Information Response in the response packet */\r
+       ResponsePacket.InformationResponse.InfoType = InformationRequest.InfoType;\r
+       \r
+       Bluetooth_SendPacket(&ResponsePacket, (sizeof(ResponsePacket) - sizeof(ResponsePacket.Data) + DataLen), NULL);\r
+\r
+       BT_ACL_DEBUG(1, ">> L2CAP Information Response", NULL); \r
+       BT_ACL_DEBUG(2, "-- Result: 0x%02X", ResponsePacket.InformationResponse.Result);\r

 }\r
 }\r