X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/2c806f6ceee42db9094eb11f3f32524b98440726..9ffeac6992774224ebc279e346f99d5ed725bcd9:/LUFA/Drivers/USB/Class/Device/HIDClassDevice.c

diff --git a/LUFA/Drivers/USB/Class/Device/HIDClassDevice.c b/LUFA/Drivers/USB/Class/Device/HIDClassDevice.c
index cf0d4576a..5c8d878e7 100644
--- a/LUFA/Drivers/USB/Class/Device/HIDClassDevice.c
+++ b/LUFA/Drivers/USB/Class/Device/HIDClassDevice.c
@@ -7,7 +7,7 @@
 */
 
 /*
-  Copyright 2011  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+  Copyright 2012  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
   Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
@@ -156,6 +156,9 @@ void HID_Device_USBTask(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo)
 	if (USB_DeviceState != DEVICE_STATE_Configured)
 	  return;
 
+	if (HIDInterfaceInfo->State.PrevFrameNum == USB_Device_GetFrameNumber())
+	  return;
+	  
 	Endpoint_SelectEndpoint(HIDInterfaceInfo->Config.ReportINEndpointNumber);
 
 	if (Endpoint_IsReadWriteAllowed())
@@ -190,6 +193,8 @@ void HID_Device_USBTask(USB_ClassInfo_HID_Device_t* const HIDInterfaceInfo)
 
 			Endpoint_ClearIN();
 		}
+		
+		HIDInterfaceInfo->State.PrevFrameNum = USB_Device_GetFrameNumber();
 	}
 }