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/**************************************************************************
AVStream Camera Sample
Copyright (c) 2014, Microsoft Corporation.
File:
Dbg.h
Abstract:
Debug definitions.
History:
created 2/18/2015
**************************************************************************/
#pragma once
#define DEBUGLVL_VERBOSE 2
#define DEBUGLVL_TERSE 1
#define DEBUGLVL_ERROR 0
const int DebugLevel = DEBUGLVL_TERSE;
#if (DBG)
#define _DbgPrintF(lvl, strings) \
{ \
if (lvl <= DebugLevel) {\
DbgPrint(STR_MODULENAME);\
DbgPrint##strings;\
DbgPrint("\n");\
if ((lvl) == DEBUGLVL_ERROR) {\
NT_ASSERT(0);\
} \
}\
}
#else // !DBG
#define _DbgPrintF(lvl, strings)
#endif // !DBG
// This is for debug output; but we're going to leave it in the
// driver for now. We can always turn off the Windbg output at
// the debugger.
// Enable via debugger: ed Kd_IHVSTREAMING_Mask 0xFFFFFFFF
#define ENABLE_TRACING 1
#if ENABLE_TRACING
#define DBG_OUT( FMT, ... ) \
{ \
LARGE_INTEGER SysTime; \
LARGE_INTEGER LocalTime; \
TIME_FIELDS TimeFields; \
\
KeQuerySystemTimePrecise( &SysTime ); \
ExSystemTimeToLocalTime( &SysTime, &LocalTime ); \
RtlTimeToTimeFields( &LocalTime, &TimeFields ); \
DbgPrintEx( DPFLTR_IHVSTREAMING_ID, DPFLTR_MASK|DPFLTR_TRACE_LEVEL, \
"%02d:%02d:%02d.%03d [%p] " ## FMT ## "\n", \
TimeFields.Hour, TimeFields.Minute, TimeFields.Second, TimeFields.Milliseconds, \
KeGetCurrentThread(), __VA_ARGS__ ); \
}
#define DBG_ENTER( FMT, ... ) \
DBG_OUT( "Entering: " __FUNCTION__ ## FMT, __VA_ARGS__ );
#define DBG_LEAVE( FMT, ... ) \
DBG_OUT( " Leaving: " __FUNCTION__ ## FMT, __VA_ARGS__ );
#define DBG_TRACE( FMT, ... ) \
DBG_OUT( " In: " __FUNCTION__ ## " " ## FMT, __VA_ARGS__ );
#else // !ENABLE_TRACING
#define DBG_ENTER( ... )
#define DBG_LEAVE( ... )
#define DBG_TRACE( ... )
#endif // !ENABLE_TRACING
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