Add more include protection macros to give the user warnings when they try to manuall...

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Device / CDC.h

diff --git a/LUFA/Drivers/USB/Class/Device/CDC.h b/LUFA/Drivers/USB/Class/Device/CDC.h
index e6a2bfd..0c21444 100644 (file)
--- a/LUFA/Drivers/USB/Class/Device/CDC.h
+++ b/LUFA/Drivers/USB/Class/Device/CDC.h
@@ -73,6 +73,11 @@
                        extern "C" {\r
                #endif\r
 \r
+       /* Preprocessor Checks: */\r
+               #if !defined(__INCLUDE_FROM_CDC_DRIVER)\r
+                       #error Do not include this file directly. Include LUFA/Drivers/Class/CDC.h instead.\r
+               #endif\r
+               \r
        /* Public Interface - May be used in end-application: */\r
                /* Type Defines: */\r
                        /** Class state structure. An instance of this structure should be made for each CDC interface\r
@@ -281,7 +286,7 @@
        /* Private Interface - For use in library only: */\r
        #if !defined(__DOXYGEN__)\r
                /* Function Prototypes: */\r
-                       #if defined(INCLUDE_FROM_CDC_CLASS_DEVICE_C)\r
+                       #if defined(__INCLUDE_FROM_CDC_CLASS_DEVICE_C)\r
                                static int CDC_Device_putchar(char c, FILE* Stream);\r
                                static int CDC_Device_getchar(FILE* Stream);\r
                                static int CDC_Device_getchar_Blocking(FILE* Stream);\r