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path: root/LUFA/Drivers/USB
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-rw-r--r--LUFA/Drivers/USB/Class/Host/CDC.c66
-rw-r--r--LUFA/Drivers/USB/Class/Host/CDC.h5
-rw-r--r--LUFA/Drivers/USB/LowLevel/HostChapter9.c10
-rw-r--r--LUFA/Drivers/USB/LowLevel/Pipe.c2
-rw-r--r--LUFA/Drivers/USB/LowLevel/Pipe.h2
-rw-r--r--LUFA/Drivers/USB/LowLevel/Template/Template_Pipe_RW.c2
6 files changed, 66 insertions, 21 deletions
diff --git a/LUFA/Drivers/USB/Class/Host/CDC.c b/LUFA/Drivers/USB/Class/Host/CDC.c
index 2d42be65f..e284492a4 100644
--- a/LUFA/Drivers/USB/Class/Host/CDC.c
+++ b/LUFA/Drivers/USB/Class/Host/CDC.c
@@ -95,7 +95,7 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo
if ((EndpointData->Attributes & EP_TYPE_MASK) == EP_TYPE_INTERRUPT)
{
if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
- {
+ {
Pipe_ConfigurePipe(CDCInterfaceInfo->Config.NotificationPipeNumber, EP_TYPE_INTERRUPT, PIPE_TOKEN_IN,
EndpointData->EndpointAddress, EndpointData->EndpointSize,
CDCInterfaceInfo->Config.NotificationPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
@@ -110,18 +110,32 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo
{
if (EndpointData->EndpointAddress & ENDPOINT_DESCRIPTOR_DIR_IN)
{
+ if (Pipe_IsEndpointBound(EndpointData->EndpointAddress))
+ {
+ BidirectionalDataEndpoints = true;
+ Pipe_DisablePipe();
+ }
+
Pipe_ConfigurePipe(CDCInterfaceInfo->Config.DataINPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_IN,
- EndpointData->EndpointAddress, EndpointData->EndpointSize,
- CDCInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
+ EndpointData->EndpointAddress, EndpointData->EndpointSize,
+ CDCInterfaceInfo->Config.DataINPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
CDCInterfaceInfo->State.DataINPipeSize = EndpointData->EndpointSize;
FoundEndpoints |= CDC_FOUND_DATAPIPE_IN;
}
else
{
- Pipe_ConfigurePipe(CDCInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,
- EndpointData->EndpointAddress, EndpointData->EndpointSize,
- CDCInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
+ if (Pipe_IsEndpointBound(EndpointData->EndpointAddress))
+ {
+ BidirectionalDataEndpoints = true;
+ }
+ else
+ {
+ Pipe_ConfigurePipe(CDCInterfaceInfo->Config.DataOUTPipeNumber, EP_TYPE_BULK, PIPE_TOKEN_OUT,
+ EndpointData->EndpointAddress, EndpointData->EndpointSize,
+ CDCInterfaceInfo->Config.DataOUTPipeDoubleBank ? PIPE_BANK_DOUBLE : PIPE_BANK_SINGLE);
+ }
+
CDCInterfaceInfo->State.DataOUTPipeSize = EndpointData->EndpointSize;
FoundEndpoints |= CDC_FOUND_DATAPIPE_OUT;
@@ -180,8 +194,7 @@ 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)) &&
- !(Pipe_IsEndpointBound(CurrentEndpoint->EndpointAddress)))
+ if ((EndpointType == EP_TYPE_BULK) || (EndpointType == EP_TYPE_INTERRUPT))
{
return DESCRIPTOR_SEARCH_Found;
}
@@ -199,7 +212,8 @@ void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
return;
- Pipe_SelectPipe(CDCInterfaceInfo->Config.NotificationPipeNumber);
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.NotificationPipeNumber);
+ Pipe_SetPipeToken(PIPE_TOKEN_IN);
Pipe_Unfreeze();
if (Pipe_IsINReceived())
@@ -263,10 +277,22 @@ uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, ch
uint8_t ErrorCode;
- Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);
+ if (CDCInterfaceInfo->State.BidirectionalDataEndpoints)
+ {
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);
+ Pipe_SetPipeToken(PIPE_TOKEN_IN);
+ }
+ else
+ {
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);
+ }
+
Pipe_Unfreeze();
ErrorCode = Pipe_Write_Stream_LE(Data, Length, NO_STREAM_CALLBACK);
Pipe_Freeze();
+
+ if (CDCInterfaceInfo->State.BidirectionalDataEndpoints)
+ Pipe_SetPipeToken(PIPE_TOKEN_IN);
return ErrorCode;
}
@@ -278,7 +304,16 @@ uint8_t CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, cons
uint8_t ErrorCode;
- Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);
+ if (CDCInterfaceInfo->State.BidirectionalDataEndpoints)
+ {
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);
+ Pipe_SetPipeToken(PIPE_TOKEN_IN);
+ }
+ else
+ {
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);
+ }
+
Pipe_Unfreeze();
if (!(Pipe_IsReadWriteAllowed()))
@@ -291,6 +326,9 @@ uint8_t CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo, cons
Pipe_Write_Byte(Data);
Pipe_Freeze();
+
+ if (CDCInterfaceInfo->State.BidirectionalDataEndpoints)
+ Pipe_SetPipeToken(PIPE_TOKEN_IN);
return PIPE_READYWAIT_NoError;
}
@@ -302,7 +340,8 @@ uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo
if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
return BytesInPipe;
- Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);
+ Pipe_SetPipeToken(PIPE_TOKEN_IN);
Pipe_Unfreeze();
if (Pipe_IsINReceived() && !(Pipe_BytesInPipe()))
@@ -321,7 +360,8 @@ uint8_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* const CDCInterfaceInfo)
if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
return ReceivedByte;
- Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);
+ Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);
+ Pipe_SetPipeToken(PIPE_TOKEN_IN);
Pipe_Unfreeze();
ReceivedByte = Pipe_Read_Byte();
diff --git a/LUFA/Drivers/USB/Class/Host/CDC.h b/LUFA/Drivers/USB/Class/Host/CDC.h
index 0ead68ce9..4e035d97e 100644
--- a/LUFA/Drivers/USB/Class/Host/CDC.h
+++ b/LUFA/Drivers/USB/Class/Host/CDC.h
@@ -88,6 +88,11 @@
uint16_t DataINPipeSize; /**< Size in bytes of the CDC interface's IN data pipe */
uint16_t DataOUTPipeSize; /**< Size in bytes of the CDC interface's OUT data pipe */
uint16_t NotificationPipeSize; /**< Size in bytes of the CDC interface's IN notification pipe, if used */
+
+ bool BidirectionalDataEndpoints; /**< Indicates if the attached CDC interface uses bidirectional data endpoints,
+ * and this has only the IN pipe configured (with \ref Pipe_SetPipeToken()
+ * used to switch the pipe's direction
+ */
struct
{
diff --git a/LUFA/Drivers/USB/LowLevel/HostChapter9.c b/LUFA/Drivers/USB/LowLevel/HostChapter9.c
index 42e3262ff..8b104ef7a 100644
--- a/LUFA/Drivers/USB/LowLevel/HostChapter9.c
+++ b/LUFA/Drivers/USB/LowLevel/HostChapter9.c
@@ -48,7 +48,7 @@ uint8_t USB_Host_SendControlRequest(void* BufferPtr)
if ((ReturnStatus = USB_Host_WaitMS(1)) != HOST_WAITERROR_Successful)
goto End_Of_Control_Send;
- Pipe_SetToken(PIPE_TOKEN_SETUP);
+ Pipe_SetPipeToken(PIPE_TOKEN_SETUP);
Pipe_ClearErrorFlags();
Pipe_Unfreeze();
@@ -68,7 +68,7 @@ uint8_t USB_Host_SendControlRequest(void* BufferPtr)
if ((USB_ControlRequest.bmRequestType & CONTROL_REQTYPE_DIRECTION) == REQDIR_DEVICETOHOST)
{
- Pipe_SetToken(PIPE_TOKEN_IN);
+ Pipe_SetPipeToken(PIPE_TOKEN_IN);
if (DataStream != NULL)
{
@@ -93,7 +93,7 @@ uint8_t USB_Host_SendControlRequest(void* BufferPtr)
}
}
- Pipe_SetToken(PIPE_TOKEN_OUT);
+ Pipe_SetPipeToken(PIPE_TOKEN_OUT);
Pipe_Unfreeze();
if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_OutReady)) != HOST_SENDCONTROL_Successful)
@@ -108,7 +108,7 @@ uint8_t USB_Host_SendControlRequest(void* BufferPtr)
{
if (DataStream != NULL)
{
- Pipe_SetToken(PIPE_TOKEN_OUT);
+ Pipe_SetPipeToken(PIPE_TOKEN_OUT);
Pipe_Unfreeze();
while (DataLen)
@@ -131,7 +131,7 @@ uint8_t USB_Host_SendControlRequest(void* BufferPtr)
Pipe_Freeze();
}
- Pipe_SetToken(PIPE_TOKEN_IN);
+ Pipe_SetPipeToken(PIPE_TOKEN_IN);
Pipe_Unfreeze();
if ((ReturnStatus = USB_Host_WaitForIOS(USB_HOST_WAITFOR_InReceived)) != HOST_SENDCONTROL_Successful)
diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.c b/LUFA/Drivers/USB/LowLevel/Pipe.c
index ccab07413..fd8f81bc6 100644
--- a/LUFA/Drivers/USB/LowLevel/Pipe.c
+++ b/LUFA/Drivers/USB/LowLevel/Pipe.c
@@ -130,7 +130,7 @@ uint8_t Pipe_Discard_Stream(uint16_t Length
{
uint8_t ErrorCode;
- Pipe_SetToken(PIPE_TOKEN_IN);
+ Pipe_SetPipeToken(PIPE_TOKEN_IN);
if ((ErrorCode = Pipe_WaitUntilReady()))
return ErrorCode;
diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.h b/LUFA/Drivers/USB/LowLevel/Pipe.h
index c04849167..97257d706 100644
--- a/LUFA/Drivers/USB/LowLevel/Pipe.h
+++ b/LUFA/Drivers/USB/LowLevel/Pipe.h
@@ -432,7 +432,7 @@
#define Pipe_GetPipeToken() (UPCFG0X & PIPE_TOKEN_MASK)
- #define Pipe_SetToken(token) MACROS{ UPCFG0X = ((UPCFG0X & ~PIPE_TOKEN_MASK) | (token)); }MACROE
+ #define Pipe_SetPipeToken(token) MACROS{ UPCFG0X = ((UPCFG0X & ~PIPE_TOKEN_MASK) | (token)); }MACROE
#define Pipe_SetInfiniteINRequests() MACROS{ UPCONX |= (1 << INMODE); }MACROE
diff --git a/LUFA/Drivers/USB/LowLevel/Template/Template_Pipe_RW.c b/LUFA/Drivers/USB/LowLevel/Template/Template_Pipe_RW.c
index d003e4073..ef8035d50 100644
--- a/LUFA/Drivers/USB/LowLevel/Template/Template_Pipe_RW.c
+++ b/LUFA/Drivers/USB/LowLevel/Template/Template_Pipe_RW.c
@@ -3,7 +3,7 @@ uint8_t TEMPLATE_FUNC_NAME (TEMPLATE_BUFFER_TYPE Buffer, uint16_t Length __CALLB
uint8_t* DataStream = ((uint8_t*)Buffer + TEMPLATE_BUFFER_OFFSET(Length));
uint8_t ErrorCode;
- Pipe_SetToken(TEMPLATE_TOKEN);
+ Pipe_SetPipeToken(TEMPLATE_TOKEN);
if ((ErrorCode = Pipe_WaitUntilReady()))
return ErrorCode;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-05 12:23:09 +0000