Fixed Pipe_IsEndpointBound() function not taking the endpoint's direction into account.

Re-added Pipe_IsEndpointBound() calls to the CDC and RNDIS host class drivers, not that the function has the correct behaviour for devices with bidirectional endpoints.

7 files changed, 30 insertions, 6 deletions

diff --git a/LUFA/Drivers/USB/Class/Host/CDC.c b/LUFA/Drivers/USB/Class/Host/CDC.c
index 85864b05c..227ab94f8 100644
--- a/LUFA/Drivers/USB/Class/Host/CDC.c
+++ b/LUFA/Drivers/USB/Class/Host/CDC.c
@@ -182,7 +182,8 @@ static uint8_t DComp_CDC_Host_NextCDCInterfaceEndpoint(void* const CurrentDescri
 	

 		uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);

 	

-		if ((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT))

+		if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) &&

+		    !(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))

 		{

 			return DESCRIPTOR_SEARCH_Found;

 		}

diff --git a/LUFA/Drivers/USB/Class/Host/RNDIS.c b/LUFA/Drivers/USB/Class/Host/RNDIS.c
index 5966ed851..b06b89024 100644
--- a/LUFA/Drivers/USB/Class/Host/RNDIS.c
+++ b/LUFA/Drivers/USB/Class/Host/RNDIS.c
@@ -179,7 +179,8 @@ static uint8_t DComp_RNDIS_Host_NextRNDISInterfaceEndpoint(void* const CurrentDe
 	

 		uint8_t EndpointType = (CurrentEndpoint->Attributes & EP_TYPE_MASK);

 	

-		if ((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT))

+		if (((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT)) &&

+		    !(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))

 		{

 			return DESCRIPTOR_SEARCH_Found;

 		}

diff --git a/LUFA/Drivers/USB/LowLevel/Endpoint.h b/LUFA/Drivers/USB/LowLevel/Endpoint.h
index ff0b640a4..b0934f586 100644
--- a/LUFA/Drivers/USB/LowLevel/Endpoint.h
+++ b/LUFA/Drivers/USB/LowLevel/Endpoint.h
@@ -126,6 +126,11 @@
 			 */

 			#define ENDPOINT_EPNUM_MASK                   0x07

 

+			/** Endpoint direction mask, for masking against endpoint addresses to retrieve the endpoint's

+			 *  direction for comparing with the ENDPOINT_DESCRIPTOR_DIR_* masks.

+			 */

+			#define ENDPOINT_EPDIR_MASK                   0x80

+

 			/** Endpoint bank size mask, for masking against endpoint addresses to retrieve the endpoint's

 			 *  bank size in the device.

 			 */

diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.c b/LUFA/Drivers/USB/LowLevel/Pipe.c
index e88aa63fc..2b956a8da 100644
--- a/LUFA/Drivers/USB/LowLevel/Pipe.c
+++ b/LUFA/Drivers/USB/LowLevel/Pipe.c
@@ -78,8 +78,15 @@ bool Pipe_IsEndpointBound(const uint8_t EndpointAddress)
 	{

 		Pipe_SelectPipe(PNum);

 		

-		if (Pipe_IsConfigured() && (Pipe_BoundEndpointNumber() == (EndpointAddress & PIPE_EPNUM_MASK)))

-		  return true;

+		uint8_t PipeToken = Pipe_GetPipeToken();

+

+		if (PipeToken != PIPE_TOKEN_SETUP)

+		  PipeToken = (PipeToken == ((EndpointAddress & PIPE_EPDIR_MASK) ? PIPE_TOKEN_IN : PIPE_TOKEN_OUT));

+		

+		if (Pipe_IsConfigured() && (Pipe_BoundEndpointNumber() == (EndpointAddress & PIPE_EPNUM_MASK)) && PipeToken)

+		{		

+			return true;

+		}

 	}

 	

 	Pipe_SelectPipe(PrevPipeNumber);

diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.h b/LUFA/Drivers/USB/LowLevel/Pipe.h
index afae6bcfb..16b5ea670 100644
--- a/LUFA/Drivers/USB/LowLevel/Pipe.h
+++ b/LUFA/Drivers/USB/LowLevel/Pipe.h
@@ -175,6 +175,11 @@
 			 */

 			#define PIPE_EPNUM_MASK                 0x0F

 

+			/** Endpoint direction mask, for masking against endpoint addresses to retrieve the endpoint's

+			 *  direction for comparing with the ENDPOINT_DESCRIPTOR_DIR_* masks.

+			 */

+			#define PIPE_EPDIR_MASK                 0x80

+

 		/* Pseudo-Function Macros: */

 			#if defined(__DOXYGEN__)

 				/** Indicates the number of bytes currently stored in the current pipes's selected bank.

@@ -805,9 +810,10 @@
 			/** Determines if a pipe has been bound to the given device endpoint address. If a pipe which is bound to the given

 			 *  endpoint is found, it is automatically selected.

 			 *

-			 *  \param[in] EndpointAddress Address of the endpoint within the attached device to check

+			 *  \param[in] EndpointAddress Address and direction mask of the endpoint within the attached device to check

 			 *

-			 *  \return Boolean true if a pipe bound to the given endpoint address is found, false otherwise

+			 *  \return Boolean true if a pipe bound to the given endpoint address of the specified direction is found, false

+			 *          otherwise

 			 */

 			bool Pipe_IsEndpointBound(const uint8_t EndpointAddress);

 		

diff --git a/LUFA/ManPages/ChangeLog.txt b/LUFA/ManPages/ChangeLog.txt
index 9c4e5dcc3..b9436d6fe 100644
--- a/LUFA/ManPages/ChangeLog.txt
+++ b/LUFA/ManPages/ChangeLog.txt
@@ -48,6 +48,7 @@
   *  - Fixed DFU bootloader programming not discarding the correct number of filler bytes from the host when non-aligned programming

   *    ranges are specified (thanks to Thomas Bleeker)

   *  - Fixed CDC and RNDIS host demos and class drivers - bidirectional endpoints should use two seperate pipes, not one half-duplex pipe

+  *  - Fixed Pipe_IsEndpointBound() not taking the endpoint's direction into account

   *

   *  \section Sec_ChangeLog091223 Version 091223

   *

diff --git a/LUFA/ManPages/MigrationInformation.txt b/LUFA/ManPages/MigrationInformation.txt
index f9864cb5c..23fbc1ef4 100644
--- a/LUFA/ManPages/MigrationInformation.txt
+++ b/LUFA/ManPages/MigrationInformation.txt
@@ -23,6 +23,9 @@
  *      packed into a single USB packet. This means that the sending of MIDI events will now be delayed until the MIDI send

  *      pipe bank is full. To override this new behaviour and revert to the previous behaviour, the user application may manually

  *      flush the queued event(s) to the device by calling \ref MIDI_Host_Flush().

+ *    - The Pipe_IsEndpointBound() function now takes the endpoint's direction into account, by checking if the MSB of the endpoint's address

+ *      is set to denote IN endpoints. If the previous functionality where the direction is to be discounted is required, mask the endpoint

+ *      address against the \ref PIPE_EPNUM_MASK token before calling Pipe_IsEndpointBound().

  *

  *  <b>Device Mode</b>

  *    - The MIDI Device Class driver send and receive routines now operate on packed events, where multiple MIDI events may be