X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/158afe910947739b1df00000628c1e758bdf0812..5517f96e86b9447780a3e27bb455697f9fc65eea:/LUFA/Drivers/USB/LowLevel/Endpoint.c

diff --git a/LUFA/Drivers/USB/LowLevel/Endpoint.c b/LUFA/Drivers/USB/LowLevel/Endpoint.c
index fc54e115a..c0e639209 100644
--- a/LUFA/Drivers/USB/LowLevel/Endpoint.c
+++ b/LUFA/Drivers/USB/LowLevel/Endpoint.c
@@ -1,7 +1,7 @@
 /*
              LUFA Library
      Copyright (C) Dean Camera, 2010.
-              
+
   dean [at] fourwalledcubicle [dot] com
       www.fourwalledcubicle.com
 */
@@ -9,13 +9,13 @@
 /*
   Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
 
-  Permission to use, copy, modify, distribute, and sell this 
+  Permission to use, copy, modify, distribute, and sell this
   software and its documentation for any purpose is hereby granted
-  without fee, provided that the above copyright notice appear in 
+  without fee, provided that the above copyright notice appear in
   all copies and that both that the copyright notice and this
-  permission notice and warranty disclaimer appear in supporting 
-  documentation, and that the name of the author not be used in 
-  advertising or publicity pertaining to distribution of the 
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
   software without specific, written prior permission.
 
   The author disclaim all warranties with regard to this
@@ -59,7 +59,7 @@ void Endpoint_ClearEndpoints(void)
 
 	for (uint8_t EPNum = 0; EPNum < ENDPOINT_TOTAL_ENDPOINTS; EPNum++)
 	{
-		Endpoint_SelectEndpoint(EPNum);	
+		Endpoint_SelectEndpoint(EPNum);
 		UEIENX  = 0;
 		UEINTX  = 0;
 		UECFG1X = 0;
@@ -86,7 +86,7 @@ void Endpoint_ClearStatusStage(void)
 			if (USB_DeviceState == DEVICE_STATE_Unattached)
 			  return;
 		}
-		
+
 		Endpoint_ClearIN();
 	}
 }
@@ -95,7 +95,7 @@ void Endpoint_ClearStatusStage(void)
 uint8_t Endpoint_WaitUntilReady(void)
 {
 	#if (USB_STREAM_TIMEOUT_MS < 0xFF)
-	uint8_t  TimeoutMSRem = USB_STREAM_TIMEOUT_MS;	
+	uint8_t  TimeoutMSRem = USB_STREAM_TIMEOUT_MS;
 	#else
 	uint16_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS;
 	#endif
@@ -114,10 +114,12 @@ uint8_t Endpoint_WaitUntilReady(void)
 			if (Endpoint_IsOUTReceived())
 			  return ENDPOINT_READYWAIT_NoError;
 		}
-		
-		if (USB_DeviceState == DEVICE_STATE_Unattached)
+
+		uint8_t USB_DeviceState_LCL = USB_DeviceState;
+
+		if (USB_DeviceState_LCL == DEVICE_STATE_Unattached)
 		  return ENDPOINT_READYWAIT_DeviceDisconnected;
-		else if (USB_DeviceState == DEVICE_STATE_Suspended)
+		else if (USB_DeviceState_LCL == DEVICE_STATE_Suspended)
 		  return ENDPOINT_READYWAIT_BusSuspended;
 		else if (Endpoint_IsStalled())
 		  return ENDPOINT_READYWAIT_EndpointStalled;
@@ -136,3 +138,4 @@ uint8_t Endpoint_WaitUntilReady(void)
 #endif
 
 #endif
+