X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/3dce79d68ccc50ee1007e485396826762b6965b5..0d5e30e69fdd10cc75f62e550c32ab4baf9b0005:/LUFA/Drivers/USB/Class/Host/CDC.c?ds=inline

diff --git a/LUFA/Drivers/USB/Class/Host/CDC.c b/LUFA/Drivers/USB/Class/Host/CDC.c
index e75bee2d0..8ef6242e4 100644
--- a/LUFA/Drivers/USB/Class/Host/CDC.c
+++ b/LUFA/Drivers/USB/Class/Host/CDC.c
@@ -50,12 +50,7 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint
 		return CDC_ENUMERROR_NoCDCInterfaceFound;
 	}
 	
-	CDCInterfaceInfo->State.ControlInterfaceNumber =
-#if defined(USE_NONSTANDARD_DESCRIPTOR_NAMES)
-	                     DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).InterfaceNumber;
-#else
-	                     DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).bInterfaceNumber;
-#endif
+	CDCInterfaceInfo->State.ControlInterfaceNumber = DESCRIPTOR_CAST(ConfigDescriptorData, USB_Descriptor_Interface_t).InterfaceNumber;
 
 	while (FoundEndpoints != (CDC_FOUND_NOTIFICATION_IN | CDC_FOUND_DATAPIPE_IN | CDC_FOUND_DATAPIPE_OUT))
 	{
@@ -131,7 +126,7 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint
 		}
 	}
 
-	CDCInterfaceInfo->State.Active = true;
+	CDCInterfaceInfo->State.IsActive = true;
 	return CDC_ENUMERROR_NoError;
 }
 
@@ -196,7 +191,7 @@ static uint8_t DComp_CDC_Host_NextCDCInterfaceEndpoint(void* CurrentDescriptor)
 
 void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)
 {
-	if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))
+	if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
 	  return;
 	
 	Pipe_SelectPipe(CDCInterfaceInfo->Config.NotificationPipeNumber);	
@@ -205,7 +200,7 @@ void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)
 	if (Pipe_IsINReceived())
 	{
 		USB_Request_Header_t Notification;
-		Pipe_Read_Stream_LE(&Notification, sizeof(Notification), NO_STREAM_CALLBACK);
+		Pipe_Read_Stream_LE(&Notification, sizeof(USB_Request_Header_t), NO_STREAM_CALLBACK);
 		
 		if ((Notification.bRequest      == NOTIF_SerialState) &&
 		    (Notification.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE)))
@@ -256,21 +251,27 @@ uint8_t CDC_Host_SendControlLineStateChange(USB_ClassInfo_CDC_Host_t* CDCInterfa
 	return USB_Host_SendControlRequest(NULL);
 }
 
-void CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, char* Data, uint16_t Length)
+uint8_t CDC_Host_SendString(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, char* Data, uint16_t Length)
 {
-	if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))
-	  return;
+	if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
+	  return PIPE_READYWAIT_NoError;
+
+	uint8_t ErrorCode;
 
 	Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);	
 	Pipe_Unfreeze();
-	Pipe_Write_Stream_LE(Data, Length, NO_STREAM_CALLBACK);	
+	ErrorCode = Pipe_Write_Stream_LE(Data, Length, NO_STREAM_CALLBACK);
 	Pipe_Freeze();
+	
+	return ErrorCode;
 }
 
-void CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint8_t Data)
+uint8_t CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint8_t Data)
 {
-	if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))
-	  return;
+	if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
+	  return PIPE_READYWAIT_NoError;;
+	  
+	uint8_t ErrorCode;
 
 	Pipe_SelectPipe(CDCInterfaceInfo->Config.DataOUTPipeNumber);	
 	Pipe_Unfreeze();
@@ -278,18 +279,22 @@ void CDC_Host_SendByte(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint8_t Data)
 	if (!(Pipe_IsReadWriteAllowed()))
 	{
 		Pipe_ClearOUT();
-		Pipe_WaitUntilReady();
+
+		if ((ErrorCode = Pipe_WaitUntilReady()) != PIPE_READYWAIT_NoError)
+		  return ErrorCode;
 	}
 
 	Pipe_Write_Byte(Data);	
 	Pipe_Freeze();
+	
+	return PIPE_READYWAIT_NoError;
 }
 
 uint16_t CDC_Host_BytesReceived(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)
 {
 	uint16_t BytesInPipe = 0;
 
-	if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))
+	if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
 	  return BytesInPipe;
 	
 	Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);	
@@ -308,7 +313,7 @@ uint8_t CDC_Host_ReceiveByte(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)
 {
 	uint8_t ReceivedByte = 0;
 
-	if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.Active))
+	if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
 	  return ReceivedByte;
 	  
 	Pipe_SelectPipe(CDCInterfaceInfo->Config.DataINPipeNumber);