Bluetooth demo can now create and maintain logical channels - need to determine why...

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

diff --git a/LUFA/Drivers/USB/Class/Common/CDC.h b/LUFA/Drivers/USB/Class/Common/CDC.h
index f684497..cef7a4c 100644 (file)
--- a/LUFA/Drivers/USB/Class/Common/CDC.h
+++ b/LUFA/Drivers/USB/Class/Common/CDC.h
@@ -28,6 +28,15 @@
   this software.\r
 */\r
 \r
+/** \file\r
+ *  \brief Common definitions and declarations for the library USB CDC Class driver.\r
+ *\r
+ *  Common definitions and declarations for the library USB CDC Class driver.\r
+ *\r
+ *  \note This file should not be included directly. It is automatically included as needed by the class driver\r
+ *        dispatch header located in LUFA/Drivers/USB/Class/CDC.h.\r
+ */\r
+\r
 /** \ingroup Group_USBClassCDC\r
  *  @defgroup Group_USBClassCDCCommon  Common Class Definitions\r
  *\r
@@ -51,6 +60,11 @@
                        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
        /* Macros: */\r
                /** CDC Class specific request to get the current virtual serial port configuration settings. */\r
                #define REQ_GetLineEncoding              0x21\r