X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/8711dc7ced0ed02a33a96222d86bd27f65c239ed..0d5e30e69fdd10cc75f62e550c32ab4baf9b0005:/LUFA/Drivers/USB/Class/Host/CDC.c

diff --git a/LUFA/Drivers/USB/Class/Host/CDC.c b/LUFA/Drivers/USB/Class/Host/CDC.c
index e0e15e145..8ef6242e4 100644
--- a/LUFA/Drivers/USB/Class/Host/CDC.c
+++ b/LUFA/Drivers/USB/Class/Host/CDC.c
@@ -34,12 +34,10 @@
 #define  INCLUDE_FROM_CDC_CLASS_HOST_C
 #include "CDC.h"
 
-#warning The CDC Host mode Class driver is currently incomplete and is for preview purposes only.
-
 uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint16_t ConfigDescriptorSize,
                                 uint8_t* ConfigDescriptorData)
 {
-	uint8_t  FoundEndpoints = 0;
+	uint8_t FoundEndpoints = 0;
 
 	memset(&CDCInterfaceInfo->State, 0x00, sizeof(CDCInterfaceInfo->State));
 
@@ -52,19 +50,14 @@ 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_DATAPIPE_IN | CDC_FOUND_DATAPIPE_OUT | CDC_FOUND_DATAPIPE_NOTIFICATION))
+	while (FoundEndpoints != (CDC_FOUND_NOTIFICATION_IN | CDC_FOUND_DATAPIPE_IN | CDC_FOUND_DATAPIPE_OUT))
 	{
 		if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
-		                              DComp_CDC_Host_NextInterfaceCDCDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
+		                              DComp_CDC_Host_NextCDCInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
 		{
-			if (FoundEndpoints & CDC_FOUND_DATAPIPE_NOTIFICATION)
+			if (FoundEndpoints & CDC_FOUND_NOTIFICATION_IN)
 			{
 				if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData, 
 				                              DComp_CDC_Host_NextCDCDataInterface) != DESCRIPTOR_SEARCH_COMP_Found)
@@ -91,7 +84,7 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint
 			}
 
 			if (USB_GetNextDescriptorComp(&ConfigDescriptorSize, &ConfigDescriptorData,
-			                              DComp_CDC_Host_NextInterfaceCDCDataEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
+			                              DComp_CDC_Host_NextCDCInterfaceEndpoint) != DESCRIPTOR_SEARCH_COMP_Found)
 			{
 				return CDC_ENUMERROR_EndpointsNotFound;
 			}
@@ -109,7 +102,7 @@ uint8_t CDC_Host_ConfigurePipes(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo, uint
 
 				Pipe_SetInterruptPeriod(EndpointData->PollingIntervalMS);
 				
-				FoundEndpoints |= CDC_FOUND_DATAPIPE_NOTIFICATION;
+				FoundEndpoints |= CDC_FOUND_NOTIFICATION_IN;
 			}
 		}
 		else
@@ -133,7 +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;
 }
 
@@ -173,7 +166,7 @@ static uint8_t DComp_CDC_Host_NextCDCDataInterface(void* CurrentDescriptor)
 	return DESCRIPTOR_SEARCH_NotFound;
 }
 
-static uint8_t DComp_CDC_Host_NextInterfaceCDCDataEndpoint(void* CurrentDescriptor)
+static uint8_t DComp_CDC_Host_NextCDCInterfaceEndpoint(void* CurrentDescriptor)
 {
 	if (DESCRIPTOR_TYPE(CurrentDescriptor) == DTYPE_Endpoint)
 	{
@@ -198,7 +191,32 @@ static uint8_t DComp_CDC_Host_NextInterfaceCDCDataEndpoint(void* CurrentDescript
 
 void CDC_Host_USBTask(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)
 {
-	EVENT_CDC_Host_ControLineStateChanged(CDCInterfaceInfo);
+	if ((USB_HostState != HOST_STATE_Configured) || !(CDCInterfaceInfo->State.IsActive))
+	  return;
+	
+	Pipe_SelectPipe(CDCInterfaceInfo->Config.NotificationPipeNumber);	
+	Pipe_Unfreeze();
+
+	if (Pipe_IsINReceived())
+	{
+		USB_Request_Header_t Notification;
+		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)))
+		{
+			Pipe_Read_Stream_LE(&CDCInterfaceInfo->State.ControlLineStates.DeviceToHost,
+			                    sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost),
+			                    NO_STREAM_CALLBACK);
+			
+		}
+
+		Pipe_ClearIN();
+
+		EVENT_CDC_Host_ControLineStateChanged(CDCInterfaceInfo);
+	}
+	
+	Pipe_Freeze();
 }
 
 uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)
@@ -206,7 +224,7 @@ uint8_t CDC_Host_SetLineEncoding(USB_ClassInfo_CDC_Host_t* CDCInterfaceInfo)
 	USB_ControlRequest = (USB_Request_Header_t)
 	{
 		.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE),
-		.bRequest      = REQ_SetControlLineState,
+		.bRequest      = REQ_SetLineEncoding,
 		.wValue        = 0,
 		.wIndex        = CDCInterfaceInfo->State.ControlInterfaceNumber,
 		.wLength       = sizeof(CDCInterfaceInfo->State.LineEncoding),
@@ -233,21 +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();
@@ -255,18 +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);	
@@ -285,7 +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);