Subject:
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Re: FindLight
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Newsgroups:
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lugnet.robotics
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Date:
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Sun, 25 Feb 2007 22:42:33 GMT
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Original-From:
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linmix <linmix@gmail.+StopSpam+com>
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Viewed:
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3679 times
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Thanks. I thought setting maxlight before the 'if' statement would be
enough, but moving it closer to the front (before the 'while'
statement') did the trick.
The bit after the while loop still gives me pain though.
I've changed it a bit to be able to see if the calculations are ok
OnRev (OUT_A);
OnFwd (OUT_C);
turnfind = turntime - time;
OnFor (OUT_A + OUT_C, turnfind);
Off (OUT_A + OUT_C);
I've declared turnfind at the beginning and set it to 0 (just in case)
According to BricxCC's 'Watching the brick' the values are ok, bu no
matter what the values the robot will only spin back for a fraction of a
second.
linmix
Ross Crawford wrote:
> In lugnet.robotics, linmix <linmix@gmail.com> wrote:
>
> > maxlight = SENSOR_2;
> > OnFwd (A);
> > OnRev (C);
> >
> > if (SENSOR_2 > maxlight)
>
>
>
> > I've run into a new obstacle though.
> > The first move commands are executed just fine, but the second set never
> > runs - or so it seems.
>
>
> Looks like you're setting maxlight = SENSOR_2, then testing if (SENSOR_2 >
> maxlight), which will rarely (if ever) be true, because the value of SENSOR_2 is
> unlikely to change in such a short time. I think the first maxlight = SENSOR_2
> statement should be outside (before) the loop. But I could be wrong.
>
> Regards
>
> ROSCO
>
>
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Message has 1 Reply:
 | | Re: FindLight
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| (...) //findlight.nqc #define A OUT_A #define C OUT_C int maxlight; int light; int time = 0; #define TURNTIME 500; //change to accomodate 1 turn #define ROTATE_CLOCKWISE OnFwd(A); OnRev(C); #define ROTATE_COUNTERCLOCKWISE OnFwd(C); OnRev(A); task (...) (18 years ago, 26-Feb-07, to lugnet.robotics)
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Message is in Reply To:
| | Re: FindLight
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| (...) Looks like you're setting maxlight = SENSOR_2, then testing if (SENSOR_2 > maxlight), which will rarely (if ever) be true, because the value of SENSOR_2 is unlikely to change in such a short time. I think the first maxlight = SENSOR_2 (...) (18 years ago, 25-Feb-07, to lugnet.robotics)
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