-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2010.\r
- \r
- dean [at] fourwalledcubicle [dot] com\r
- www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\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, including all implied warranties of merchantability\r
- and fitness. In no event shall the author be liable for any\r
- special, indirect or consequential damages or any damages\r
- whatsoever resulting from loss of use, data or profits, whether\r
- in an action of contract, negligence or other tortious action,\r
- arising out of or in connection with the use or performance of\r
- this software.\r
-*/\r
-\r
-/** \file\r
- *\r
- * RFCOMM multiplexer control layer module. This module handles multiplexer\r
- * channel commands to the control DLCI in the RFCOMM layer, to open, configure,\r
- * test and close logical RFCOMM channels.\r
- */\r
-\r
-#define INCLUDE_FROM_RFCOMM_CONTROL_C\r
-#include "RFCOMMControl.h"\r
-\r
-void RFCOMM_ProcessControlCommand(const uint8_t* Command, Bluetooth_Channel_t* const Channel)\r
-{\r
- const RFCOMM_Command_t* CommandHeader = (const RFCOMM_Command_t*)Command;\r
- const uint8_t* CommandData = (const uint8_t*)Command + sizeof(RFCOMM_Command_t);\r
- uint16_t ControlDataLen = RFCOMM_GetFrameDataLength(CommandData);\r
-\r
- /* Adjust the command data pointer to skip over the variable size field */\r
- CommandData += (ControlDataLen < 128) ? 1 : 2;\r
-\r
- switch (CommandHeader->Command)\r
- {\r
- case RFCOMM_Control_Test:\r
- RFCOMM_ProcessTestCommand(CommandHeader, CommandData, Channel);\r
- break;\r
- case RFCOMM_Control_FlowControlEnable:\r
- RFCOMM_ProcessFCECommand(CommandHeader, CommandData, Channel);\r
- break;\r
- case RFCOMM_Control_FlowControlDisable:\r
- RFCOMM_ProcessFCDCommand(CommandHeader, CommandData, Channel);\r
- break;\r
- case RFCOMM_Control_ModemStatus:\r
- RFCOMM_ProcessMSCommand(CommandHeader, CommandData, Channel);\r
- break;\r
- case RFCOMM_Control_RemotePortNegotiation:\r
- RFCOMM_ProcessRPNCommand(CommandHeader, CommandData, Channel);\r
- break;\r
- case RFCOMM_Control_RemoteLineStatus:\r
- RFCOMM_ProcessRLSCommand(CommandHeader, CommandData, Channel);\r
- break;\r
- case RFCOMM_Control_DLCParameterNegotiation:\r
- RFCOMM_ProcessDPNCommand(CommandHeader, CommandData, Channel);\r
- break;\r
- default:\r
- BT_RFCOMM_DEBUG(1, "<< Unknown Command"); \r
- break;\r
- }\r
-}\r
-\r
-static void RFCOMM_ProcessTestCommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t* CommandData,\r
- Bluetooth_Channel_t* const Channel)\r
-{\r
- BT_RFCOMM_DEBUG(1, "<< TEST Command");\r
-}\r
-\r
-static void RFCOMM_ProcessFCECommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t* CommandData,\r
- Bluetooth_Channel_t* const Channel)\r
-{\r
- BT_RFCOMM_DEBUG(1, "<< FCE Command");\r
-}\r
-\r
-static void RFCOMM_ProcessFCDCommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t* CommandData,\r
- Bluetooth_Channel_t* const Channel)\r
-{\r
- BT_RFCOMM_DEBUG(1, "<< FCD Command");\r
-}\r
-\r
-static void RFCOMM_ProcessMSCommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t* CommandData,\r
- Bluetooth_Channel_t* const Channel)\r
-{\r
- BT_RFCOMM_DEBUG(1, "<< MS Command");\r
-}\r
-\r
-static void RFCOMM_ProcessRPNCommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t* CommandData,\r
- Bluetooth_Channel_t* const Channel)\r
-{\r
- BT_RFCOMM_DEBUG(1, "<< RPN Command");\r
-}\r
-\r
-static void RFCOMM_ProcessRLSCommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t* CommandData,\r
- Bluetooth_Channel_t* const Channel)\r
-{\r
- BT_RFCOMM_DEBUG(1, "<< RLS Command");\r
-}\r
-\r
-static void RFCOMM_ProcessDPNCommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t* CommandData,\r
- Bluetooth_Channel_t* const Channel)\r
-{\r
- const RFCOMM_DPN_Parameters_t* Params = (const RFCOMM_DPN_Parameters_t*)CommandData;\r
-\r
- BT_RFCOMM_DEBUG(1, "<< DPN Command");\r
- BT_RFCOMM_DEBUG(2, "-- Config DLCI: 0x%02X", Params->DLCI);\r
- \r
- /* Ignore parameter negotiations to the control channel */\r
- if (Params->DLCI == RFCOMM_CONTROL_DLCI)\r
- return;\r
- \r
- /* Retrieve existing channel configuration data, if already opened */\r
- RFCOMM_Channel_t* RFCOMMChannel = RFCOMM_GetChannelData(Params->DLCI);\r
- \r
- /* Check if the channel has no corresponding entry - remote did not open it first */\r
- if (RFCOMMChannel == NULL)\r
- {\r
- /* Find a free entry in the RFCOMM channel multiplexer state array */\r
- for (uint8_t i = 0; i < RFCOMM_MAX_OPEN_CHANNELS; i++)\r
- {\r
- /* If the channel's DLCI is zero, the channel state entry is free */\r
- if (!(RFCOMM_Channels[i].DLCI))\r
- {\r
- RFCOMMChannel = &RFCOMM_Channels[i];\r
- RFCOMMChannel->DLCI = Params->DLCI;\r
- break;\r
- }\r
- }\r
- \r
- /* No free entry was found, discard the request */\r
- if (RFCOMMChannel == NULL)\r
- {\r
- BT_RFCOMM_DEBUG(2, "-- No Free Channel");\r
- return;\r
- }\r
- }\r
- \r
- /* Save the new channel configuration */\r
- RFCOMMChannel->State = RFCOMM_Channel_Open;\r
- RFCOMMChannel->Priority = Params->Priority;\r
- RFCOMMChannel->UseUIFrames = (Params->FrameType != 0);\r
- RFCOMMChannel->RemoteMTU = Params->MaximumFrameSize;\r
- \r
- struct\r
- {\r
- RFCOMM_Command_t CommandHeader;\r
- uint8_t Length;\r
- RFCOMM_DPN_Parameters_t Params;\r
- } DPNResponse;\r
- \r
- /* Fill out the DPN response data */\r
- DPNResponse.CommandHeader.Command = CommandHeader->Command;\r
- DPNResponse.CommandHeader.EA = true;\r
- DPNResponse.Length = (sizeof(DPNResponse.Params) << 1) | 0x01;\r
- DPNResponse.Params = *Params;\r
- \r
- BT_RFCOMM_DEBUG(1, ">> DPN Response");\r
-\r
- /* Send the PDN response to acknowledge the command */\r
- RFCOMM_SendFrame(RFCOMM_CONTROL_DLCI, false, RFCOMM_Frame_UIH, sizeof(DPNResponse), &DPNResponse, Channel);\r
-}\r
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2011.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.lufa-lib.org
+*/
+
+/*
+ Copyright 2011 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.
+*/
+
+/** \file
+ *
+ * RFCOMM multiplexer control layer module. This module handles multiplexer
+ * channel commands to the control DLCI in the RFCOMM layer, to open, configure,
+ * test and close logical RFCOMM channels.
+ */
+
+#define INCLUDE_FROM_RFCOMM_CONTROL_C
+#include "RFCOMMControl.h"
+
+void RFCOMM_ProcessControlCommand(const uint8_t* Command,
+ Bluetooth_Channel_t* const ACLChannel)
+{
+ const RFCOMM_Command_t* CommandHeader = (const RFCOMM_Command_t*)Command;
+ const uint8_t* CommandData = (const uint8_t*)Command + sizeof(RFCOMM_Command_t);
+ uint8_t CommandDataLen = RFCOMM_GetVariableFieldValue(&CommandData);
+
+ switch (CommandHeader->Command)
+ {
+ case RFCOMM_Control_Test:
+ RFCOMM_ProcessTestCommand(CommandHeader, CommandDataLen, CommandData, ACLChannel);
+ break;
+ case RFCOMM_Control_FlowControlEnable:
+ RFCOMM_ProcessFCECommand(CommandHeader, CommandData, ACLChannel);
+ break;
+ case RFCOMM_Control_FlowControlDisable:
+ RFCOMM_ProcessFCDCommand(CommandHeader, CommandData, ACLChannel);
+ break;
+ case RFCOMM_Control_ModemStatus:
+ RFCOMM_ProcessMSCCommand(CommandHeader, CommandDataLen, CommandData, ACLChannel);
+ break;
+ case RFCOMM_Control_RemotePortNegotiation:
+ RFCOMM_ProcessRPNCommand(CommandHeader, CommandData, ACLChannel);
+ break;
+ case RFCOMM_Control_RemoteLineStatus:
+ RFCOMM_ProcessRLSCommand(CommandHeader, CommandData, ACLChannel);
+ break;
+ case RFCOMM_Control_DLCParameterNegotiation:
+ RFCOMM_ProcessDPNCommand(CommandHeader, CommandData, ACLChannel);
+ break;
+ default:
+ BT_RFCOMM_DEBUG(1, "<< Unknown Command");
+ break;
+ }
+}
+
+static void RFCOMM_ProcessTestCommand(const RFCOMM_Command_t* const CommandHeader,
+ const uint8_t CommandDataLen,
+ const uint8_t* CommandData,
+ Bluetooth_Channel_t* const ACLChannel)
+{
+ const uint8_t* Params = (const uint8_t*)CommandData;
+
+ BT_RFCOMM_DEBUG(1, "<< TEST Command");
+
+ struct
+ {
+ RFCOMM_Command_t CommandHeader;
+ uint8_t Length;
+ uint8_t TestData[CommandDataLen];
+ } TestResponse;
+
+ /* Fill out the Test response data */
+ TestResponse.CommandHeader = (RFCOMM_Command_t){.Command = RFCOMM_Control_Test, .EA = true, .CR = false};
+ TestResponse.Length = (CommandDataLen << 1) | 0x01;
+ memcpy(TestResponse.TestData, Params, CommandDataLen);
+
+ BT_RFCOMM_DEBUG(1, ">> TEST Response");
+
+ /* Send the PDN response to acknowledge the command */
+ RFCOMM_SendFrame(RFCOMM_CONTROL_DLCI, false, RFCOMM_Frame_UIH, sizeof(TestResponse), &TestResponse, ACLChannel);
+}
+
+static void RFCOMM_ProcessFCECommand(const RFCOMM_Command_t* const CommandHeader,
+ const uint8_t* CommandData,
+ Bluetooth_Channel_t* const ACLChannel)
+{
+ BT_RFCOMM_DEBUG(1, "<< FCE Command");
+}
+
+static void RFCOMM_ProcessFCDCommand(const RFCOMM_Command_t* const CommandHeader,
+ const uint8_t* CommandData,
+ Bluetooth_Channel_t* const ACLChannel)
+{
+ BT_RFCOMM_DEBUG(1, "<< FCD Command");
+}
+
+static void RFCOMM_ProcessMSCCommand(const RFCOMM_Command_t* const CommandHeader,
+ const uint8_t CommandDataLen,
+ const uint8_t* CommandData,
+ Bluetooth_Channel_t* const ACLChannel)
+{
+ const RFCOMM_MSC_Parameters_t* Params = (const RFCOMM_MSC_Parameters_t*)CommandData;
+
+ BT_RFCOMM_DEBUG(1, "<< MSC %s", (CommandHeader->CR) ? "Command" : "Response");
+ BT_RFCOMM_DEBUG(2, "-- DLCI: 0x%02X", Params->Channel.DLCI);
+
+ /* Ignore status flags sent to the control channel */
+ if (Params->Channel.DLCI == RFCOMM_CONTROL_DLCI)
+ return;
+
+ /* Retrieve existing channel configuration data, if already opened */
+ RFCOMM_Channel_t* RFCOMMChannel = RFCOMM_GetChannelData(Params->Channel.DLCI);
+
+ /* If the channel does not exist, abort */
+ if (RFCOMMChannel == NULL)
+ return;
+
+ /* Check if the MSC packet is a command or a response */
+ if (CommandHeader->CR)
+ {
+ /* Save the new channel signals to the channel state structure */
+ RFCOMMChannel->Remote.Signals = Params->Signals;
+ RFCOMMChannel->ConfigFlags |= RFCOMM_CONFIG_REMOTESIGNALS;
+
+ /* If the command contains the optional break signals field, store the value */
+ if (CommandDataLen == sizeof(RFCOMM_MSC_Parameters_t))
+ RFCOMMChannel->Remote.BreakSignal = Params->BreakSignal;
+
+ /* Notify the user application that the signals have been received */
+ RFCOMM_ChannelSignalsReceived(RFCOMMChannel);
+
+ struct
+ {
+ RFCOMM_Command_t CommandHeader;
+ uint8_t Length;
+ RFCOMM_MSC_Parameters_t Params;
+ } MSResponse;
+
+ /* Fill out the MS response data */
+ MSResponse.CommandHeader = (RFCOMM_Command_t){.Command = RFCOMM_Control_ModemStatus, .EA = true, .CR = false};
+ MSResponse.Length = (CommandDataLen << 1) | 0x01;
+ memcpy(&MSResponse.Params, Params, sizeof(RFCOMM_MSC_Parameters_t));
+
+ BT_RFCOMM_DEBUG(1, ">> MSC Response");
+
+ /* Send the MSC response to acknowledge the command */
+ RFCOMM_SendFrame(RFCOMM_CONTROL_DLCI, false, RFCOMM_Frame_UIH,
+ (sizeof(MSResponse) - sizeof(MSResponse.Params) + CommandDataLen), &MSResponse, ACLChannel);
+ }
+ else
+ {
+ /* Indicate that the remote device has acknowledged the sent signals */
+ RFCOMMChannel->ConfigFlags |= RFCOMM_CONFIG_LOCALSIGNALS;
+ }
+}
+
+static void RFCOMM_ProcessRPNCommand(const RFCOMM_Command_t* const CommandHeader,
+ const uint8_t* CommandData,
+ Bluetooth_Channel_t* const ACLChannel)
+{
+ BT_RFCOMM_DEBUG(1, "<< RPN Command");
+}
+
+static void RFCOMM_ProcessRLSCommand(const RFCOMM_Command_t* const CommandHeader,
+ const uint8_t* CommandData,
+ Bluetooth_Channel_t* const ACLChannel)
+{
+ BT_RFCOMM_DEBUG(1, "<< RLS Command");
+}
+
+static void RFCOMM_ProcessDPNCommand(const RFCOMM_Command_t* const CommandHeader,
+ const uint8_t* CommandData,
+ Bluetooth_Channel_t* const ACLChannel)
+{
+ const RFCOMM_DPN_Parameters_t* Params = (const RFCOMM_DPN_Parameters_t*)CommandData;
+
+ BT_RFCOMM_DEBUG(1, "<< DPN Command");
+ BT_RFCOMM_DEBUG(2, "-- DLCI: 0x%02X", Params->DLCI);
+
+ /* Ignore parameter negotiations to the control channel */
+ if (Params->DLCI == RFCOMM_CONTROL_DLCI)
+ return;
+
+ /* Retrieve existing channel configuration data, if already opened */
+ RFCOMM_Channel_t* RFCOMMChannel = RFCOMM_GetChannelData(Params->DLCI);
+
+ /* Check if the channel has no corresponding entry - remote did not open it first */
+ if (RFCOMMChannel == NULL)
+ {
+ /* Create a new entry in the channel table for the new channel */
+ RFCOMMChannel = RFCOMM_GetFreeChannelEntry(Params->DLCI);
+
+ /* No free entry was found, discard the request */
+ if (RFCOMMChannel == NULL)
+ {
+ BT_RFCOMM_DEBUG(2, "-- No Free Channel");
+ return;
+ }
+ }
+
+ /* Save the new channel configuration */
+ RFCOMMChannel->State = RFCOMM_Channel_Configure;
+ RFCOMMChannel->Priority = Params->Priority;
+ RFCOMMChannel->MTU = Params->MaximumFrameSize;
+
+ struct
+ {
+ RFCOMM_Command_t CommandHeader;
+ uint8_t Length;
+ RFCOMM_DPN_Parameters_t Params;
+ } DPNResponse;
+
+ /* Fill out the DPN response data */
+ DPNResponse.CommandHeader = (RFCOMM_Command_t){.Command = RFCOMM_Control_DLCParameterNegotiation, .EA = true, .CR = false};
+ DPNResponse.Length = (sizeof(DPNResponse.Params) << 1) | 0x01;
+ memcpy(&DPNResponse.Params, Params, sizeof(RFCOMM_DPN_Parameters_t));
+ DPNResponse.Params.ConvergenceLayer = 0x00; // TODO: Enable credit based transaction support
+
+ BT_RFCOMM_DEBUG(1, ">> DPN Response");
+
+ /* Send the DPN response to acknowledge the command */
+ RFCOMM_SendFrame(RFCOMM_CONTROL_DLCI, false, RFCOMM_Frame_UIH, sizeof(DPNResponse), &DPNResponse, ACLChannel);
+}
+
projects / pub / USBasp.git / blobdiff