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

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

diff --git a/LUFA/Drivers/USB/Class/Common/MIDI.h b/LUFA/Drivers/USB/Class/Common/MIDI.h
index d081303..8eed101 100644 (file)
--- a/LUFA/Drivers/USB/Class/Common/MIDI.h
+++ b/LUFA/Drivers/USB/Class/Common/MIDI.h
@@ -41,6 +41,9 @@
 #ifndef _MIDI_CLASS_COMMON_H_\r
 #define _MIDI_CLASS_COMMON_H_\r
 \r
+       /* Macros: */\r
+               #define __INCLUDE_FROM_AUDIO_DRIVER\r
+\r
        /* Includes: */\r
                #include "../../USB.h"\r
                #include "Audio.h"\r
@@ -52,6 +55,11 @@
                        extern "C" {\r
                #endif\r
 \r
+       /* Preprocessor Checks: */\r
+               #if !defined(__INCLUDE_FROM_MIDI_DRIVER)\r
+                       #error Do not include this file directly. Include LUFA/Drivers/Class/MIDI.h instead.\r
+               #endif\r
+               \r
        /* Macros: */\r
                /** Audio class descriptor subtype value for a Audio class specific MIDI input jack descriptor. */\r
                #define DSUBTYPE_InputJack          0x02\r