X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/6a46f0025a4d44ca2c747745f542e8f475dd9b28..652042111c7c058bd56d9847002f166507f492d4:/LUFA/Drivers/USB/Class/Host/CDC.c

diff --git a/LUFA/Drivers/USB/Class/Host/CDC.c b/LUFA/Drivers/USB/Class/Host/CDC.c
index 5467e3df3..fcfa86d79 100644
--- a/LUFA/Drivers/USB/Class/Host/CDC.c
+++ b/LUFA/Drivers/USB/Class/Host/CDC.c
@@ -353,6 +353,17 @@ static int CDC_Host_getchar(FILE* Stream)
 	return CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream));
 }
 
+static int CDC_Host_getchar_Blocking(FILE* Stream)
+{
+	while (!(CDC_Host_BytesReceived((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream))))
+	{
+		CDC_Host_USBTask((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream));
+		USB_USBTask();
+	}
+
+	return CDC_Host_ReceiveByte((USB_ClassInfo_CDC_Host_t*)fdev_get_udata(Stream));
+}
+
 void CDC_Host_Event_Stub(void)
 {