Sample Code
Windows Driver Samples/ AC97 Driver Sample/ C++/ driver/ debug.h/
/******************************************************************************** ** Copyright (c) 1998-1999 Microsoft Corporation. All Rights Reserved. ** ** Portions Copyright (c) 1998-1999 Intel Corporation ** ********************************************************************************/ /* The file debug.h was reviewed by LCA in June 2011 and is acceptable for use by Microsoft. */ #ifndef _DEBUG_H_ #define _DEBUG_H_ // // Modified version of ksdebug.h to support runtime debug level changes. // const int DBG_NONE = 0x00000000; const int DBG_PRINT = 0x00000001; // Blabla. Function entries for example const int DBG_WARNING = 0x00000002; // warning level const int DBG_ERROR = 0x00000004; // this doesn't generate a breakpoint // specific debug output; you don't have to enable DBG_PRINT for this. const int DBG_STREAM = 0x00000010; // Enables stream output. const int DBG_POWER = 0x00000020; // Enables power management output. const int DBG_DMA = 0x00000040; // Enables DMA engine output. const int DBG_REGS = 0x00000080; // Enables register outout. const int DBG_PROBE = 0x00000100; // Enables hardware probing output. const int DBG_SYSINFO = 0x00000200; // Enables system info output. const int DBG_VSR = 0x00000400; // Enables variable sample rate output. const int DBG_PROPERTY = 0x00000800; // Enables property handler output const int DBG_POSITION = 0x00001000; // Enables printing of position on GetPosition const int DBG_PINS = 0x10000000; // Enables dump of created pins in topology const int DBG_NODES = 0x20000000; // Enables dump of created nodes in topology const int DBG_CONNS = 0x40000000; // Enables dump of the connections in topology const int DBG_ALL = 0xFFFFFFFF; // // The default statements that will print are warnings (DBG_WARNING) and // errors (DBG_ERROR). // const int DBG_DEFAULT = 0x00000004; // Errors only. // // Define global debug variable. // #ifdef DEFINE_DEBUG_VARS #if (DBG) unsigned long ulDebugOut = DBG_DEFAULT; #endif #else // !DEFINED_DEBUG_VARS #if (DBG) extern unsigned long ulDebugOut; #endif #endif // // Define the print statement. // #if defined(__cplusplus) extern "C" { #endif // #if defined(__cplusplus) // // DBG is 1 in checked builds // #if (DBG) #define DOUT(lvl, strings) \ if ((lvl) & ulDebugOut) \ { \ DbgPrint(STR_MODULENAME); \ DbgPrint##strings; \ DbgPrint("\n"); \ } #define BREAK() \ DbgBreakPoint() #else // if (!DBG) #define DOUT(lvl, strings) #define BREAK() #endif // !DBG #if defined(__cplusplus) } #endif // #if defined(__cplusplus) #endif
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