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

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Common / Printer.h

diff --git a/LUFA/Drivers/USB/Class/Common/Printer.h b/LUFA/Drivers/USB/Class/Common/Printer.h
index 5907e0e..06ec0bb 100644 (file)
--- a/LUFA/Drivers/USB/Class/Common/Printer.h
+++ b/LUFA/Drivers/USB/Class/Common/Printer.h
@@ -1,13 +1,13 @@
 /*\r
              LUFA Library\r
 /*\r
              LUFA Library\r

-     Copyright (C) Dean Camera, 2009.\r
+     Copyright (C) Dean Camera, 2010.\r

               \r
   dean [at] fourwalledcubicle [dot] com\r
       www.fourwalledcubicle.com\r
 */\r
 \r
 /*\r
               \r
   dean [at] fourwalledcubicle [dot] com\r
       www.fourwalledcubicle.com\r
 */\r
 \r
 /*\r

-  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
+  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r

 \r
   Permission to use, copy, modify, distribute, and sell this \r
   software and its documentation for any purpose is hereby granted\r
 \r
   Permission to use, copy, modify, distribute, and sell this \r
   software and its documentation for any purpose is hereby granted\r


@@ -49,8 +49,13 @@
        /* Enable C linkage for C++ Compilers: */\r
                #if defined(__cplusplus)\r
                        extern "C" {\r
        /* Enable C linkage for C++ Compilers: */\r
                #if defined(__cplusplus)\r
                        extern "C" {\r

-               #endif\r
+               #endif

 \r
 \r

+       /* Preprocessor Checks: */\r
+               #if !defined(__INCLUDE_FROM_PRINTER_DRIVER)\r
+                       #error Do not include this file directly. Include LUFA/Drivers/Class/Printer.h instead.\r
+               #endif\r
+               \r

        /* Macros: */\r
                /** Port status mask for a printer device, indicating that an error has *not* occurred. */\r
                #define PRNT_PORTSTATUS_NOTERROR    (1 << 3)\r
        /* Macros: */\r
                /** Port status mask for a printer device, indicating that an error has *not* occurred. */\r
                #define PRNT_PORTSTATUS_NOTERROR    (1 << 3)\r