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Indexed by:Journal Papers

Date of Publication:2009-01-01

Journal:Materials Science Forum

Issue:626-627

Page Number:87-92

Key Words:Windows2000 operating system; real-time control; timing; copying control; Visual C++

Abstract:A design proposal for developing a high-precision timer of the real-time digital copying control system is put forward by analyzing the real-time characteristics of Windows 2000 operating system. Proposals of using information systems timer-WM-TIMER, multimedia timer, V×D and hardware to achieve high-precision timing in Windows operating system are analyzed and compared. Based on computer high-frequency timer and multi-thread technology, timing function provided by Microsoft Visual C++ is used to achieve a high-precision software timer of the system. Finally, the researched timing method is tested in Advantech IPC-610 host with Intel Pentium 4 processor, and the maximum timing error is less than 5μs which meets the system timing requirements.