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Re: PC timing software

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  • Re: PC timing software

    >X-Sender: rnewton@bruce
    >Date: Thu, 09 Feb 1995 09:36:21 -0500
    >To: Michael Coupland
    >From: (Robert Newton)
    >Subject: Re: PC timing software
    >X-UIDL: 792295802.016
    >>I would appreciate if anyone has suggestions for software for creating a
    >>"stopwatch" function in a windows program.
    >We have quite a good DOS based timer program for assessing human
    >performance. A range of switches can be connected directly to the printer
    >port on any IBM PC compatible computer running MS DOS 3.3 or later. A range
    >of variables can be measured using a contact mat. These include contact
    >time, flight time, jump height, power output, multiple jump recording, foot
    >contact and swing times during gait. Infra red timing lights, foot switches
    >etc can also be used with the program recording split times, and calculating
    >velocities, reaction time etc.. If you would like a demonstration version of
    >the system, please email me and I can send it to you via email or snail mail.
    >With regard to your request for information on timing under Windows. There
    >is considerable difficulty in doing this. Because Windows is
    >psuedo-multitasking a program can be interupted at any time while other
    >tasks are being performed. The usual Windows timers are easily accessible
    >from Visual Basic or Visual C but are only accurate to less than 50ms.
    >Higher resolution timers are available (1 ms) and they are included in the
    >Microsoft Windows Multimedia Extensions. That solves that problem, however,
    >trapping an event such as a key press, or change in state of the printer
    >port involves the risk of a time delay. To avoid this a driver must be
    >specifically written to trap the event and record the time elapsed. At
    >present we are working on just such a driver. I cannot tell you at this
    >time however, when this new timer program will be available.
    >Robert Newton
    >Robert Newton
    >Centre for Exercise and Sport Management
    >Southern Cross University
    >PO Box 157
    >Lismore, NSW 2480, Australia
    >Telephone: Int + 61 66 203 234 Facsimile: Int + 61 66 203 880

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