Minor corrections to the XMEGA USB controller implementation.

[pub/USBasp.git] / LUFA / Drivers / USB / Core / XMEGA / Endpoint_XMEGA.h

diff --git a/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h b/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h
index 495aa97..49069d8 100644 (file)
--- a/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h
+++ b/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h
@@ -391,7 +391,10 @@
                        static inline bool Endpoint_IsReadWriteAllowed(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
                        static inline bool Endpoint_IsReadWriteAllowed(void)
                        {
-                               return (USB_Endpoint_SelectedFIFO->Position < USB_Endpoint_SelectedFIFO->Length);
+                               if (USB_Endpoint_SelectedEndpoint & ENDPOINT_DIR_IN)
+                                 return (USB_Endpoint_SelectedFIFO->Position < USB_Endpoint_SelectedFIFO->Length);
+                               else
+                                 return (USB_Endpoint_SelectedFIFO->Position > 0);
                        }
 
                        /** Determines if the currently selected endpoint is configured.