diff options
Diffstat (limited to 'LUFA/Drivers/USB/Class/Common/Printer.h')
| -rw-r--r-- | LUFA/Drivers/USB/Class/Common/Printer.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/LUFA/Drivers/USB/Class/Common/Printer.h b/LUFA/Drivers/USB/Class/Common/Printer.h index ea6f1abb0..06ec0bb0b 100644 --- a/LUFA/Drivers/USB/Class/Common/Printer.h +++ b/LUFA/Drivers/USB/Class/Common/Printer.h @@ -49,8 +49,13 @@ /* Enable C linkage for C++ Compilers: */
#if defined(__cplusplus)
extern "C" {
- #endif
+ #endif + /* Preprocessor Checks: */
+ #if !defined(__INCLUDE_FROM_PRINTER_DRIVER)
+ #error Do not include this file directly. Include LUFA/Drivers/Class/Printer.h instead.
+ #endif
+
/* Macros: */
/** Port status mask for a printer device, indicating that an error has *not* occurred. */
#define PRNT_PORTSTATUS_NOTERROR (1 << 3)
|