Added new NO_CLASS_DRIVER_AUTOFLUSH compile time option to disable automatic flushing...

[pub/USBasp.git] / 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 e69948b..ec56c31 100644 (file)
--- a/LUFA/Drivers/USB/Class/Host/Printer.c
+++ b/LUFA/Drivers/USB/Class/Host/Printer.c
@@ -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)