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-rw-r--r--LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h b/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h
index 720b5f3b4..23de8fc09 100644
--- a/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h
+++ b/LUFA/Drivers/USB/Core/XMEGA/Endpoint_XMEGA.h
@@ -274,7 +274,10 @@
static inline uint16_t Endpoint_BytesInEndpoint(void) ATTR_WARN_UNUSED_RESULT ATTR_ALWAYS_INLINE;
static inline uint16_t Endpoint_BytesInEndpoint(void)
{
- return USB_Endpoint_SelectedFIFO->Position;
+ if (USB_Endpoint_SelectedEndpoint & ENDPOINT_DIR_IN)
+ return USB_Endpoint_SelectedFIFO->Position;
+ else
+ return (USB_Endpoint_SelectedFIFO->Length - USB_Endpoint_SelectedFIFO->Position);
}
/** Get the endpoint address of the currently selected endpoint. This is typically used to save