[ RE: [Tinyos-help] Micaz time measurement in microseconds]

S. Umesh Babu sub at mech.iitkgp.ernet.in
Thu Sep 1 19:21:59 PDT 2005


Hello

Can somebody  kindly elaborate mentioned 3 methods. Particularly how to to
make my own timer abstraction for sub millisecond timer.Any pointers in
this direction are highly appreciated.

thanks and regards
Umesh

>
> There are a few ways:
>
> 1) toggle a HW pin and measure it on a scope
> 2) store start/stop time stamps from a high resolution counter
>    and retrieve them later.
> 3) use a timer capture register on a pin you control
>
> If you follow one of the SW solutions, you would probably want to use
the 16-bit Timer3, as it is freely available.
>
> Martin
> __________________________________________________
> Martin Turon  |  Crossbow Technology, Inc.
>
> -----Original Message-----
> From: tinyos-help-bounces at Millennium.Berkeley.EDU
> [mailto:tinyos-help-bounces at Millennium.Berkeley.EDU] On Behalf Of S.
Umesh Babu
> Sent: Wednesday, August 31, 2005 9:28 AM
> To: tinyos-help at Millennium.Berkeley.EDU
> Subject: [Tinyos-help] Micaz time measurement in microseconds
>
>
> Hello,
>
> I am micaz user.Can somebody tell me how to measure time between two
events in microseconds.
>
> thanks and regards
> Umesh
>
>
>
> Vist Me at
> http://www.geocities.com/umeshphd/
>
> S.Umesh Babu
> Research Scholar (Ph.D)
> Robotics and Intelligent Systems Lab
> IIT Kharagpur,WB,INDIA. 721302
> _______________________________________________
> Tinyos-help mailing list
> Tinyos-help at Millennium.Berkeley.EDU
> https://mail.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
>


S.Umesh Babu
Research Scholar (Ph.D)
Robotics and Intelligent Systems Lab
IIT Kharagpur,WB,INDIA. 721302

Vist Me at
http://www.geocities.com/umeshphd/



S.Umesh Babu
Research Scholar (Ph.D)
Robotics and Intelligent Systems Lab
IIT Kharagpur,WB,INDIA. 721302

Vist Me at
http://www.geocities.com/umeshphd/


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