Fixed possible device lockup when INTERRUPT_CONTROL_ENDPOINT is enabled and the control endpoint is not properly selected when the ISR completes.

2010-05-13 07:43:18 +00:00
parent d3c623e1e1
commit 1331cce08a
3 changed files with 8 additions and 2 deletions
@@ -237,10 +237,13 @@ ISR(USB_COM_vect, ISR_BLOCK)

 	Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);
 	USB_INT_Disable(USB_INT_RXSTPI);
-	sei();

-	USB_USBTask();
+	NONATOMIC_BLOCK(NONATOMIC_FORCEOFF)
+	{
+		USB_Device_ProcessControlRequest();
+	}

+	Endpoint_SelectEndpoint(ENDPOINT_CONTROLEP);
 	USB_INT_Enable(USB_INT_RXSTPI);
 	Endpoint_SelectEndpoint(PrevSelectedEndpoint);
 }