adds a new compile time option for debugging output, brings the timeout for reading junk data back into line between joypad.cpp and layout.cpp, and adds in read exception handling when setupjoydevs is called (previously only set up in the joypad constructor)

git-svn-id: svn://svn.code.sf.net/p/qjoypad/code/trunk@101 c05e91a0-76c8-4ec0-b377-ef19ce7cc080

src/constant.h

@@ -25,5 +25,10 @@
 #define NAME "QJoyPad 4.0-pre"
 
 #define MOUSE_OFFSET 400
+#ifdef _DEBUG
+#define DEBUG(str) printf(str);
+#else
+#define DEBUG
+#endif
 
 #endif