X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/00d0883507efdc17688abafa75e81bf62f83d777..ab2ae13d81427ddddbd24e8ba6bdfbd2f05ff958:/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 fc6ea93fb..0359afe4d 100644
--- a/LUFA/Drivers/USB/Class/Device/CDC.c
+++ b/LUFA/Drivers/USB/Class/Device/CDC.c
@@ -78,8 +78,7 @@ void CDC_Device_ProcessControlPacket(USB_ClassInfo_CDC_Device_t* CDCInterfaceInf
 				
 				EVENT_CDC_Device_ControLineStateChanged(CDCInterfaceInfo);
 
-				while (!(Endpoint_IsINReady()));
-				Endpoint_ClearIN();
+				Endpoint_ClearStatusStage();
 			}
 	
 			break;
@@ -88,6 +87,8 @@ void CDC_Device_ProcessControlPacket(USB_ClassInfo_CDC_Device_t* CDCInterfaceInf
 
 bool CDC_Device_ConfigureEndpoints(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)
 {
+	memset(&CDCInterfaceInfo->State, 0x00, sizeof(CDCInterfaceInfo->State));
+
 	if (!(Endpoint_ConfigureEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber, EP_TYPE_BULK,
 							         ENDPOINT_DIR_IN, CDCInterfaceInfo->Config.DataINEndpointSize,
 							         ENDPOINT_BANK_SINGLE)))
@@ -114,7 +115,7 @@ bool CDC_Device_ConfigureEndpoints(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)
 
 void CDC_Device_USBTask(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)
 {
-	if (!(USB_IsConnected))
+	if (USB_DeviceState != DEVICE_STATE_Configured)
 	  return;
 
 	Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);
@@ -125,24 +126,29 @@ void CDC_Device_USBTask(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)
 	if (!(Endpoint_IsReadWriteAllowed()))
 	{
 		Endpoint_ClearIN();
-		while (!(Endpoint_IsReadWriteAllowed()));
+
+		while (!(Endpoint_IsReadWriteAllowed()))
+		{
+			if (USB_DeviceState == DEVICE_STATE_Unattached)
+			  return;
+		}
 	}	
 	
 	Endpoint_ClearIN();
 }
 
-void CDC_Device_SendString(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo, char* Data, uint16_t Length)
+void CDC_Device_SendString(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, char* const Data, const uint16_t Length)
 {
-	if (!(USB_IsConnected))
+	if (USB_DeviceState != DEVICE_STATE_Configured)
 	  return;
 
 	Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);
 	Endpoint_Write_Stream_LE(Data, Length, NO_STREAM_CALLBACK);
 }
 
-void CDC_Device_SendByte(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo, uint8_t Data)
+void CDC_Device_SendByte(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo, const uint8_t Data)
 {
-	if (!(USB_IsConnected))
+	if (USB_DeviceState != DEVICE_STATE_Configured)
 	  return;
 
 	Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataINEndpointNumber);
@@ -150,13 +156,18 @@ void CDC_Device_SendByte(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo, uint8_t D
 	if (!(Endpoint_IsReadWriteAllowed()))
 	{
 		Endpoint_ClearIN();
-		while (!(Endpoint_IsReadWriteAllowed()));
+		
+		while (!(Endpoint_IsReadWriteAllowed()))
+		{
+			if (USB_DeviceState == DEVICE_STATE_Unattached)
+			  return;		
+		}
 	}
 
 	Endpoint_Write_Byte(Data);	
 }
 
-uint16_t CDC_Device_BytesReceived(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)
+uint16_t CDC_Device_BytesReceived(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
 {
 	Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);
 
@@ -165,7 +176,7 @@ uint16_t CDC_Device_BytesReceived(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)
 
 uint8_t CDC_Device_ReceiveByte(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)
 {
-	if (!(USB_IsConnected))
+	if (USB_DeviceState != DEVICE_STATE_Configured)
 	  return 0;
 
 	Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.DataOUTEndpointNumber);
@@ -178,9 +189,9 @@ uint8_t CDC_Device_ReceiveByte(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)
 	return DataByte;
 }
 
-void CDC_Device_SendControlLineStateChange(USB_ClassInfo_CDC_Device_t* CDCInterfaceInfo)
+void CDC_Device_SendControlLineStateChange(USB_ClassInfo_CDC_Device_t* const CDCInterfaceInfo)
 {
-	if (!(USB_IsConnected))
+	if (USB_DeviceState != DEVICE_STATE_Configured)
 	  return;
 
 	Endpoint_SelectEndpoint(CDCInterfaceInfo->Config.NotificationEndpointNumber);