timer.h

来自「WinCE 3.0 BSP, 包含Inter SA1110, Intel_815」· C头文件 代码 · 共 36 行

/*++
THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
PARTICULAR PURPOSE.
Copyright (c) 1995, 1996, 1997  Microsoft Corporation

Module Name:

   timer.h

Abstract:

Notes:


--*/

#include <bldver.h>

#define CPU_CLOCK                       66000000
#if CE_MAJOR_VER < 3
#define CPURTCSHORT_PERIOD				25	// 25 miliseconds
#else
#define CPURTCSHORT_PERIOD                              1       // 1 millisecond
#endif



#define PERIOD_INC						(CPU_CLOCK/1000*CPURTCSHORT_PERIOD)
#define TICKS_TO_MS(x)					((x)/(CPU_CLOCK/1000))