X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/e071f3897a0946c6be1e1b5e1f78eda8dcbf6fc7..be9d0a5aa97c84cc8723f69f2b88576965e386aa:/LUFA/Drivers/USB/LowLevel/Pipe.c

diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.c b/LUFA/Drivers/USB/LowLevel/Pipe.c
index 7d3e87602..400cc5f02 100644
--- a/LUFA/Drivers/USB/LowLevel/Pipe.c
+++ b/LUFA/Drivers/USB/LowLevel/Pipe.c
@@ -70,6 +70,22 @@ void Pipe_ClearPipes(void)
 	}
 }
 
+bool Pipe_IsEndpointBound(const uint8_t EndpointAddress)
+{
+	uint8_t PrevPipeNumber = Pipe_GetCurrentPipe();
+
+	for (uint8_t PNum = 0; PNum < PIPE_TOTAL_PIPES; PNum++)
+	{
+		Pipe_SelectPipe(PNum);
+		
+		if (Pipe_IsConfigured() && (Pipe_BoundEndpointNumber() == EndpointAddress))
+		  return true;
+	}
+	
+	Pipe_SelectPipe(PrevPipeNumber);
+	return false;
+}
+
 uint8_t Pipe_WaitUntilReady(void)
 {
 	#if (USB_STREAM_TIMEOUT_MS < 0xFF)
@@ -77,7 +93,7 @@ uint8_t Pipe_WaitUntilReady(void)
 	#else
 	uint16_t TimeoutMSRem = USB_STREAM_TIMEOUT_MS;
 	#endif
-
+	
 	for (;;)
 	{
 		if (Pipe_GetPipeToken() == PIPE_TOKEN_IN)