Increased throughput of the USBtoSerial demo on systems that send multiple bytes...

[pub/USBasp.git] / LUFA / Drivers / USB / HighLevel / USBInterrupt.h

diff --git a/LUFA/Drivers/USB/HighLevel/USBInterrupt.h b/LUFA/Drivers/USB/HighLevel/USBInterrupt.h
index 5aa10db..f13d945 100644 (file)
--- a/LUFA/Drivers/USB/HighLevel/USBInterrupt.h
+++ b/LUFA/Drivers/USB/HighLevel/USBInterrupt.h
@@ -45,6 +45,11 @@
                        extern "C" {\r
                #endif\r
 \r
+       /* Preprocessor Checks: */\r
+               #if !defined(__INCLUDE_FROM_USB_DRIVER)\r
+                       #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.\r
+               #endif\r
+               \r
        /* Private Interface - For use in library only: */\r
        #if !defined(__DOXYGEN__)\r
                /* Macros: */\r