diff options
Diffstat (limited to 'LUFA/Drivers/USB/LowLevel/LowLevel.h')
| -rw-r--r-- | LUFA/Drivers/USB/LowLevel/LowLevel.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/LUFA/Drivers/USB/LowLevel/LowLevel.h b/LUFA/Drivers/USB/LowLevel/LowLevel.h index dc01d24e5..1a92d470b 100644 --- a/LUFA/Drivers/USB/LowLevel/LowLevel.h +++ b/LUFA/Drivers/USB/LowLevel/LowLevel.h @@ -70,6 +70,10 @@ #endif
/* Preprocessor Checks and Defines: */
+ #if !defined(__INCLUDE_FROM_USB_DRIVER)
+ #error Do not include this file directly. Include LUFA/Drivers/USB.h instead.
+ #endif
+
#if !defined(F_CLOCK)
#error F_CLOCK is not defined. You must define F_CLOCK to the frequency of the unprescaled input clock in your project makefile.
#endif
|