This Forum is Dedicated For all The Object Oriented PIC Lovers .......... The concept behind OOPic is straight forward. Use preprogrammed multitasking Objects from a library of highly optimized Objects to do all the work of interacting with the hardware. Then write small scripts in Basic, C, or Java syntax styles to control the Objects. During operation, the Objects run continuously and simultaneously in the background while the scripts run in the foreground telling the objects what to do.

Wednesday, April 2, 2008

Re: [oopic] reading a high speed D-wave pulse from a compass

I'll have to see if a data-sheet exists somewhere on
the web. I bought the compass from a marine surplus
store (former autopilot course computer). I do have
some screen-shots from an o-scope that show the signal
it's producing. Is there a way to post those?
--- ooPIC Tech Support <dennis.clark@oopic.com> wrote:

> The ooPIC falls down on precision timing operations.
> If your signal is
> truly 50MHz then there is little hope of getting
> that to work - I may
> have misunderstood your spec though. As Richard
> says, can you give a
> link to the data sheet?
>
> DLC
>
> jerry_baccari wrote:
> > Hello,
> > I'm trying to read the output of a digicourse
> compass. The output is a
> > formatted d-wave operating at about 50Mhz. The
> format of the D-wave
> > consists of short spikes for each degree of
> heading. So if the compass
> > is pointing 1 degree before north there are 359
> peaks.
> > I'm using a OOPIC B2 so the oCycleTimeH or the
> oPulseTimeH are not
> > available to me.
> > I've tried the oCounter2H and the value
> continually increases until it
> > resets. So I'm thinking that some sort of timing
> object is needed to
> > sync it with the pulse. Is this possible or are
> there other methods I
> > can use.
> >
> > Thanks in advance,
> > Jerry
> >
> >
> > ------------------------------------
> >
> > Yahoo! Groups Links
> >
> >
> >
> >
> >
> >
>
> --
>
------------------------------------------------------
> Dennis Clark ooPIC Tech Support
> www.oopic.com
>
------------------------------------------------------
>
>

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