Subject:
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Re: Rotation sensor bug found (maybe!)
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Newsgroups:
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lugnet.robotics.rcx.legos
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Date:
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Tue, 20 Apr 1999 03:26:36 GMT
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Viewed:
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1214 times
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Lou Sortman wrote:
> Well, I don't know where the current costants came from, but they are
> probably just the values that one person got with their RCX. They are
Exactly. I don't have rotation sensors, either. I think these values
were originally gathered from Michael Nielsen's sensors.
What's the current status? Is there a patch working for everybody, or do
we need some calibration work? It would be fairly easy to write a little
program that transmits rotation sensor values while the user is turning
the axles. A small host-side script could segment those values in four
regions and take their respective medians, generating a user-specific
configuration file. But I suppose this would be overkill, as LEGOs
sensors are supposed to work for everyone.
Markus.
--
Markus L. Noga noga@inrialpes.fr
Check out legOS! http://www.multimania.com/legos/
"Quand on n'a pas de caractere, il faut bien se donner une methode."
-Camus on Software Engineering
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Message has 1 Reply:
 | | Re: Rotation sensor bug found
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| (...) I suppose we could ask for help also to non-legos owners of RCX and rotation sensors. What if any of us posts a message in the robotics newsgroup asking for some reads of rotation sensors? Raw values can be read with the sandard firmware too (...) (26 years ago, 20-Apr-99, to lugnet.robotics.rcx.legos)
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Message is in Reply To:
| | Re: Rotation sensor bug found (maybe!)
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| (...) You've got a point here. What if we hardwire STATE_0_VALUE to the following? #define STATE_0_VALUE (ds_unscale(1023U)-RANGE_SIZE) Or, for a more general approach: #define MIN(a,b) (a<b?a:b) #define MAX(a,b) (a>b?a:b) #define STATE_VALUE(k) ( \ (...) (26 years ago, 17-Apr-99, to lugnet.robotics.rcx.legos)
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