X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/df5500e81cc40633eb5edee59410030f0aa77c2d..05fcf7e2a79bebb978d4aeaef26b12f70c6826f8:/LUFA/Drivers/USB/Class/Device/CDC.c

diff --git a/LUFA/Drivers/USB/Class/Device/CDC.c b/LUFA/Drivers/USB/Class/Device/CDC.c
index cbb9a8585..024278ad3 100644
--- a/LUFA/Drivers/USB/Class/Device/CDC.c
+++ b/LUFA/Drivers/USB/Class/Device/CDC.c
@@ -91,21 +91,21 @@ bool CDC_Device_ConfigureEndpoints(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)
 
 	if (!(Endpoint_ConfigureEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber, EP_TYPE_BULK,
 							         ENDPOINT_DIR_IN, CDCInterfaceInfo->Config.DataINEndpointSize,
-							         ENDPOINT_BANK_SINGLE)))
+							         CDCInterfaceInfo->Config.DataINEndpointDoubleBank ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))
 	{
 		return false;
 	}
 
 	if (!(Endpoint_ConfigureEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber, EP_TYPE_BULK,
 	                                 ENDPOINT_DIR_OUT, CDCInterfaceInfo->Config.DataOUTEndpointSize,
-	                                 ENDPOINT_BANK_SINGLE)))
+	                                 CDCInterfaceInfo->Config.DataOUTEndpointDoubleBank ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))
 	{
 		return false;
 	}
 
 	if (!(Endpoint_ConfigureEndpoint(CDCInterfaceInfo->Config.NotificationEndpointNumber, EP_TYPE_INTERRUPT,
 	                                 ENDPOINT_DIR_IN, CDCInterfaceInfo->Config.NotificationEndpointSize,
-	                                 ENDPOINT_BANK_SINGLE)))
+	                                 CDCInterfaceInfo->Config.NotificationEndpointDoubleBank ? ENDPOINT_BANK_DOUBLE : ENDPOINT_BANK_SINGLE)))
 	{
 		return false;
 	}
@@ -118,53 +118,76 @@ void CDC_Device_USBTask(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)
 	if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
 	  return;
 
+	Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);
+
+	if (Endpoint_IsOUTReceived() && !(Endpoint_BytesInEndpoint()))
+	  Endpoint_ClearOUT();
+	  
 	CDC_Device_Flush(CDCInterfaceInfo);
 }
 
-void CDC_Device_SendString(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, char* const Data, const uint16_t Length)
+uint8_t CDC_Device_SendString(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, char* const Data, const uint16_t Length)
 {
 	if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
-	  return;
+	  return ENDPOINT_RWSTREAM_DeviceDisconnected;
 	
 	Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);
-	Endpoint_Write_Stream_LE(Data, Length, NO_STREAM_CALLBACK);
+	return Endpoint_Write_Stream_LE(Data, Length, NO_STREAM_CALLBACK);
 }
 
-void CDC_Device_SendByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, const uint8_t Data)
+uint8_t CDC_Device_SendByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, const uint8_t Data)
 {
 	if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
-	  return;
+	  return ENDPOINT_RWSTREAM_DeviceDisconnected;
 
 	Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);
 
 	if (!(Endpoint_IsReadWriteAllowed()))
-	{
+	{	
 		Endpoint_ClearIN();
-		Endpoint_WaitUntilReady();
+
+		uint8_t ErrorCode;
+
+		if ((ErrorCode = Endpoint_WaitUntilReady()) != ENDPOINT_READYWAIT_NoError)
+		  return ErrorCode;
 	}
 
-	Endpoint_Write_Byte(Data);	
+	Endpoint_Write_Byte(Data);
+	return ENDPOINT_READYWAIT_NoError;
 }
 
-void CDC_Device_Flush(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
+uint8_t CDC_Device_Flush(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
 {
 	if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
-	  return;
+	  return ENDPOINT_RWSTREAM_DeviceDisconnected;
+
+	uint8_t ErrorCode;
 
 	Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);
+
+	if (!(Endpoint_BytesInEndpoint()))
+	  return ENDPOINT_READYWAIT_NoError;
+	
+	bool BankFull = !(Endpoint_IsReadWriteAllowed());
+	
+	Endpoint_ClearIN();
 	
-	if (Endpoint_BytesInEndpoint())
+	if (BankFull)
 	{
+		if ((ErrorCode = Endpoint_WaitUntilReady()) != ENDPOINT_READYWAIT_NoError)
+		  return ErrorCode;
+
 		Endpoint_ClearIN();
-		Endpoint_WaitUntilReady();
 	}
 	
-	Endpoint_ClearIN();
-	Endpoint_WaitUntilReady();	
+	return ENDPOINT_READYWAIT_NoError;
 }
 
 uint16_t CDC_Device_BytesReceived(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
 {
+	if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
+	  return 0;
+
 	Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);
 
 	if (Endpoint_IsOUTReceived() && !(Endpoint_BytesInEndpoint()))
@@ -175,7 +198,7 @@ uint16_t CDC_Device_BytesReceived(USB_ClassInfo_CDC_Device_t* const CDCInterface
 
 uint8_t CDC_Device_ReceiveByte(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)
 {
-	if (USB_DeviceState != DEVICE_STATE_Configured)
+	if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
 	  return 0;
 
 	Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);
@@ -190,7 +213,7 @@ uint8_t CDC_Device_ReceiveByte(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)
 
 void CDC_Device_SendControlLineStateChange(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
 {
-	if (USB_DeviceState != DEVICE_STATE_Configured)
+	if ((USB_DeviceState != DEVICE_STATE_Configured) || !(CDCInterfaceInfo->State.LineEncoding.BaudRateBPS))
 	  return;
 
 	Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.NotificationEndpointNumber);
@@ -204,11 +227,47 @@ void CDC_Device_SendControlLineStateChange(USB_ClassInfo_CDC_Device_t* const CDC
 			.wLength       = sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost),
 		};
 
-	Endpoint_Write_Stream_LE(&Notification, sizeof(Notification), NO_STREAM_CALLBACK);
+	Endpoint_Write_Stream_LE(&Notification, sizeof(USB_Request_Header_t), NO_STREAM_CALLBACK);
 	Endpoint_Write_Stream_LE(&CDCInterfaceInfo->State.ControlLineStates.DeviceToHost,
 	                         sizeof(CDCInterfaceInfo->State.ControlLineStates.DeviceToHost),
 	                         NO_STREAM_CALLBACK);
 	Endpoint_ClearIN();
 }
 
+void CDC_Device_CreateStream(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo, FILE* Stream)
+{
+	*Stream = (FILE)FDEV_SETUP_STREAM(CDC_Device_putchar, CDC_Device_getchar, _FDEV_SETUP_RW);
+	fdev_set_udata(Stream, CDCInterfaceInfo);
+}
+
+void CDC_Device_CreateBlockingStream(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo, FILE* Stream)
+{
+	*Stream = (FILE)FDEV_SETUP_STREAM(CDC_Device_putchar, CDC_Device_getchar_Blocking, _FDEV_SETUP_RW);
+	fdev_set_udata(Stream, CDCInterfaceInfo);
+}
+
+static int CDC_Device_putchar(char c, FILE* Stream)
+{
+	return CDC_Device_SendByte((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream), c) ? _FDEV_ERR : 0;
+}
+
+static int CDC_Device_getchar(FILE* Stream)
+{
+	if (!(CDC_Device_BytesReceived((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream))))
+	  return _FDEV_EOF;
+
+	return CDC_Device_ReceiveByte((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream));
+}
+
+static int CDC_Device_getchar_Blocking(FILE* Stream)
+{
+	while (!(CDC_Device_BytesReceived((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream))))
+	{
+		CDC_Device_USBTask((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream));
+		USB_USBTask();
+	}
+
+	return CDC_Device_ReceiveByte((USB_ClassInfo_CDC_Device_t*)fdev_get_udata(Stream));
+}
+
 #endif