Split RFCOMM channel signals into Remote and Local pairs. Use memcpy() to copy over data from the command parameters to the RFCOMM response parameters.

Ensure that only the valid parameter bytes are sent back in response to MSC commands.

Demos/Host/Incomplete/BluetoothHost/Lib/RFCOMM.c

@@ -236,8 +236,10 @@ static void RFCOMM_ProcessSABM(const RFCOMM_Address_t* const FrameAddress, Bluet
 			CurrRFCOMMChannel->State    = RFCOMM_Channel_Open;
 			CurrRFCOMMChannel->Priority = 7 + (CurrRFCOMMChannel->DLCI >> 3) + ((CurrRFCOMMChannel->DLCI >> 3) * 7);
 			CurrRFCOMMChannel->MTU      = 0xFFFF;
-			CurrRFCOMMChannel->Signals      = 0;
+			CurrRFCOMMChannel->Remote.Signals     = 0 | (1 << 0);
-			CurrRFCOMMChannel->BreakSignals = 0;
+			CurrRFCOMMChannel->Remote.BreakSignal = 0 | (1 << 0);
+			CurrRFCOMMChannel->Local.Signals      = RFCOMM_SIGNAL_RTC | RFCOMM_SIGNAL_RTR | RFCOMM_SIGNAL_DV | (1 << 0);
+			CurrRFCOMMChannel->Local.BreakSignal  = 0 | (1 << 0);
 		
 			BT_RFCOMM_DEBUG(1, ">> UA Sent");
 			RFCOMM_SendFrame(FrameAddress->DLCI, true, (RFCOMM_Frame_UA | FRAME_POLL_FINAL), 0, NULL, Channel);

Demos/Host/Incomplete/BluetoothHost/Lib/RFCOMM.h

@@ -86,9 +86,16 @@
 			uint8_t  State;
 			uint8_t  Priority;
 			uint16_t MTU;
-			uint8_t  StatusFlags;
+			struct
+			{
+				uint8_t  Signals;
+				uint8_t  BreakSignal;
+			} Remote;
+			struct
+			{
 				uint8_t  Signals;
-			uint8_t  BreakSignals;
+				uint8_t  BreakSignal;
+			} Local;
 		} RFCOMM_Channel_t;
 		
 	/* External Variables: */

Demos/Host/Incomplete/BluetoothHost/Lib/RFCOMMControl.c

@@ -88,7 +88,7 @@ static void RFCOMM_ProcessTestCommand(const RFCOMM_Command_t* const CommandHeade
 	} TestResponse;
 
 	/* Fill out the Test response data */
-	TestResponse.CommandHeader = (RFCOMM_Command_t){.Command = RFCOMM_Control_Test, .EA = true};
+	TestResponse.CommandHeader = (RFCOMM_Command_t){.Command = RFCOMM_Control_Test, .EA = true, .CR = false};
 	TestResponse.Length        = (CommandDataLen << 1) | 0x01;
 	memcpy(TestResponse.TestData, Params, CommandDataLen);
 	
@@ -130,11 +130,11 @@ static void RFCOMM_ProcessMSCommand(const RFCOMM_Command_t* const CommandHeader,
 	  return;
 	  
 	/* Save the new channel signals to the channel state structure */
-	RFCOMMChannel->Signals = Params->Signals;
+	RFCOMMChannel->Remote.Signals = Params->Signals;
 	
 	/* If the command contains the optional break signals field, store the value */
 	if (CommandDataLen == sizeof(RFCOMM_MS_Parameters_t))
-	  RFCOMMChannel->BreakSignals = Params->BreakSignals;
+	  RFCOMMChannel->Remote.BreakSignal = Params->BreakSignal;
 	  
 	struct
 	{
@@ -144,14 +144,15 @@ static void RFCOMM_ProcessMSCommand(const RFCOMM_Command_t* const CommandHeader,
 	} MSResponse;
 
 	/* Fill out the MS response data */
-	MSResponse.CommandHeader = (RFCOMM_Command_t){.Command = RFCOMM_Control_ModemStatus, .EA = true};
+	MSResponse.CommandHeader  = (RFCOMM_Command_t){.Command = RFCOMM_Control_ModemStatus, .EA = true, .CR = false};
 	MSResponse.Length         = (CommandDataLen << 1) | 0x01;
-	MSResponse.Params        = *Params;
+	memcpy(&MSResponse.Params, Params, sizeof(RFCOMM_MS_Parameters_t));
 	
 	BT_RFCOMM_DEBUG(1, ">> MS Response");
 
 	/* Send the PDN response to acknowledge the command */
-	RFCOMM_SendFrame(RFCOMM_CONTROL_DLCI, false, RFCOMM_Frame_UIH, sizeof(MSResponse), &MSResponse, Channel);
+	RFCOMM_SendFrame(RFCOMM_CONTROL_DLCI, false, RFCOMM_Frame_UIH,
+	                 (sizeof(MSResponse) - sizeof(MSResponse.Params) + CommandDataLen), &MSResponse, Channel);
 }
 
 static void RFCOMM_ProcessRPNCommand(const RFCOMM_Command_t* const CommandHeader, const uint8_t* CommandData,
@@ -192,8 +193,11 @@ static void RFCOMM_ProcessDPNCommand(const RFCOMM_Command_t* const CommandHeader
 			{
 				RFCOMMChannel       = &RFCOMM_Channels[i];
 				RFCOMMChannel->DLCI = Params->DLCI;
-				RFCOMMChannel->Signals      = 0;
+				RFCOMMChannel->MTU  = 0xFFFF;
-				RFCOMMChannel->BreakSignals = 0;
+				RFCOMMChannel->Remote.Signals     = 0 | (1 << 0);
+				RFCOMMChannel->Remote.BreakSignal = 0 | (1 << 0);
+				RFCOMMChannel->Local.Signals      = RFCOMM_SIGNAL_RTC | RFCOMM_SIGNAL_RTR | RFCOMM_SIGNAL_DV | (1 << 0);
+				RFCOMMChannel->Local.BreakSignal  = 0 | (1 << 0);
 				break;
 			}
 		}
@@ -219,9 +223,9 @@ static void RFCOMM_ProcessDPNCommand(const RFCOMM_Command_t* const CommandHeader
 	} DPNResponse;
 	
 	/* Fill out the DPN response data */
-	DPNResponse.CommandHeader           = (RFCOMM_Command_t){.Command = RFCOMM_Control_DLCParameterNegotiation, .EA = true};
+	DPNResponse.CommandHeader           = (RFCOMM_Command_t){.Command = RFCOMM_Control_DLCParameterNegotiation, .EA = true, .CR = false};
 	DPNResponse.Length                  = (sizeof(DPNResponse.Params) << 1) | 0x01;
-	DPNResponse.Params                  = *Params;
+	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");

Demos/Host/Incomplete/BluetoothHost/Lib/RFCOMMControl.h

@@ -50,11 +50,11 @@
 		#include "RFCOMM.h"
 		
 	/* Macros: */
-		#define RFCOMM_STATUSFLAG_FC     (1 << 1)
+		#define RFCOMM_SIGNAL_FC     (1 << 1)
-		#define RFCOMM_STATUSFLAG_RTC    (1 << 2)
+		#define RFCOMM_SIGNAL_RTC    (1 << 2)
-		#define RFCOMM_STATUSFLAG_RTR    (1 << 3)
+		#define RFCOMM_SIGNAL_RTR    (1 << 3)
-		#define RFCOMM_STATUSFLAG_IC     (1 << 6)
+		#define RFCOMM_SIGNAL_IC     (1 << 6)
-		#define RFCOMM_STATUSFLAG_DV     (1 << 7)
+		#define RFCOMM_SIGNAL_DV     (1 << 7)
 
 	/* Enums: */
 		enum RFCOMM_Control_Commands_t
@@ -106,7 +106,7 @@
 		{
 			RFCOMM_Address_t Channel;
 			uint8_t          Signals;
-			uint8_t          BreakSignals;
+			uint8_t          BreakSignal;
 		} RFCOMM_MS_Parameters_t;
 
 	/* Function Prototypes: */