X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/b37d77eab32d171ad7b28157a924a4026e2aebd1..40db485c7967c584eb9fe855e744ed0dc6fe8bae:/LUFA/Drivers/USB/Class/Host/Printer.c

diff --git a/LUFA/Drivers/USB/Class/Host/Printer.c b/LUFA/Drivers/USB/Class/Host/Printer.c
index 4249a8b70..42fa7ec5f 100644
--- a/LUFA/Drivers/USB/Class/Host/Printer.c
+++ b/LUFA/Drivers/USB/Class/Host/Printer.c
@@ -3,7 +3,7 @@
      Copyright (C) Dean Camera, 2010.
 
   dean [at] fourwalledcubicle [dot] com
-      www.fourwalledcubicle.com
+           www.lufa-lib.org
 */
 
 /*
@@ -111,9 +111,9 @@ static uint8_t DCOMP_PRNT_Host_NextPRNTInterface(void* CurrentDescriptor)
 		USB_Descriptor_Interface_t* CurrentInterface = DESCRIPTOR_PCAST(CurrentDescriptor,
 		                                                                USB_Descriptor_Interface_t);
 
-		if ((CurrentInterface->Class    == PRINTER_CLASS)    &&
-		    (CurrentInterface->SubClass == PRINTER_SUBCLASS) &&
-		    (CurrentInterface->Protocol == PRINTER_PROTOCOL))
+		if ((CurrentInterface->Class    == PRNT_CSCP_PrinterClass)    &&
+		    (CurrentInterface->SubClass == PRNT_CSCP_PrinterSubclass) &&
+		    (CurrentInterface->Protocol == PRNT_CSCP_BidirectionalProtocol))
 		{
 			return DESCRIPTOR_SEARCH_Found;
 		}
@@ -142,7 +142,12 @@ static uint8_t DCOMP_PRNT_Host_NextPRNTInterfaceEndpoint(void* CurrentDescriptor
 
 void PRNT_Host_USBTask(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)
 {
+	if ((USB_HostState != HOST_STATE_Configured) || !(PRNTInterfaceInfo->State.IsActive))
+	  return;
+
+	#if !defined(NO_CLASS_DRIVER_AUTOFLUSH)
 	PRNT_Host_Flush(PRNTInterfaceInfo);
+	#endif
 }
 
 uint8_t PRNT_Host_SetBidirectionalMode(USB_ClassInfo_PRNT_Host_t* const PRNTInterfaceInfo)