Converted Host mode demos to schedulerless. Fixed host mode broken due to earlier Start-of-frame event experiments.

LUFA/Drivers/USB/LowLevel/Endpoint.c

@@ -98,9 +98,9 @@ uint8_t Endpoint_WaitUntilReady(void)
 		else if (Endpoint_IsStalled())
 		  return ENDPOINT_READYWAIT_EndpointStalled;
 			  
-		if (FrameElapsed)
+		if (USB_INT_HasOccurred(USB_INT_HSOFI))
 		{
-			FrameElapsed = false;
+			USB_INT_Clear(USB_INT_HSOFI);
 
 			if (!(TimeoutMSRem--))
 			  return ENDPOINT_READYWAIT_Timeout;

LUFA/Drivers/USB/LowLevel/Host.c

@@ -214,9 +214,9 @@ uint8_t USB_Host_WaitMS(uint8_t MS)
 
 	while (MS)
 	{
-		if (FrameElapsed)
+		if (USB_INT_HasOccurred(USB_INT_HSOFI))
 		{
-			FrameElapsed = false;
+			USB_INT_Clear(USB_INT_HSOFI);
 			MS--;
 		}
 					
@@ -259,9 +259,9 @@ static void USB_Host_ResetDevice(void)
 	USB_Host_ResetBus();
 	while (!(USB_Host_IsBusResetComplete()));
 
-	USB_Host_ResumeBus();	
-	
-	FrameElapsed = false;
+	USB_Host_ResumeBus();
+
+	USB_INT_Clear(USB_INT_HSOFI);
 
 	for (uint8_t MSRem = 10; MSRem != 0; MSRem--)
 	{
@@ -270,10 +270,9 @@ static void USB_Host_ResetDevice(void)
 		   looked for - if it is found within 10ms, the device is still
 		   present.                                                        */
 
-		if (FrameElapsed)
+		if (USB_INT_HasOccurred(USB_INT_HSOFI))
 		{
-			FrameElapsed = false;
-			
+			USB_INT_Clear(USB_INT_HSOFI);
 			USB_INT_Clear(USB_INT_DDISCI);
 			break;
 		}

LUFA/Drivers/USB/LowLevel/LowLevel.c

@@ -38,8 +38,6 @@ volatile uint8_t USB_CurrentMode = USB_MODE_NONE;
 volatile uint8_t USB_Options;
 #endif
 
-volatile bool FrameElapsed;
-
 void USB_Init(
                #if defined(USB_CAN_BE_BOTH)
                const uint8_t Mode
@@ -152,8 +150,6 @@ void USB_ResetInterface(void)
 	USB_INT_DisableAllInterrupts();
 	USB_INT_ClearAllInterrupts();
 
-	FrameElapsed = false;
-
 	USB_IsConnected = false;
 
 	#if defined(USB_CAN_BE_HOST)

LUFA/Drivers/USB/LowLevel/LowLevel.h

@@ -350,9 +350,6 @@
 				  return USB_MODE_HOST;
 			}
 			#endif
-		
-		/* External Variables: */
-			extern volatile bool FrameElapsed;
 			
 	#endif
 	

LUFA/Drivers/USB/LowLevel/Pipe.c

@@ -94,9 +94,9 @@ uint8_t Pipe_WaitUntilReady(void)
 		else if (!(USB_IsConnected))
 		  return PIPE_READYWAIT_DeviceDisconnected;
 			  
-		if (FrameElapsed)
+		if (USB_INT_HasOccurred(USB_INT_HSOFI))
 		{
-			FrameElapsed = false;
+			USB_INT_Clear(USB_INT_HSOFI);
 
 			if (!(TimeoutMSRem--))
 			  return PIPE_READYWAIT_Timeout;