Subject:
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RE: Voltage generator
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Newsgroups:
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lugnet.robotics
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Date:
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Thu, 21 Jan 1999 13:56:42 GMT
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Original-From:
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Simen Svale Skogsrud <SIMEN@MOP.stopspamNO>
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Reply-To:
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<simen@mop*SayNoToSpam*.no>
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Viewed:
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1530 times
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Dave Ryder wrote:
> Is
> there anywhere on your site where you have a code sample to
> share two sensors
> on one input?
I will post more code in a short while, but I am editing those web-pages on
a different computer than i keep my NQC programs so that needs a bit of
coordination. But I can outline the basics right away (i have no reference
right here so bear with me if I get some details wrong).
On the Vector Rover a touch sensor shares input with the "rotation sensor".
If you configure the input as a light sensor and requests RAW readings the
rotation sensor will yield two values: 512 and 0 (just about) while if you
press the touch-sensor the value will go up to 1024. The result is that the
rotation sensor is disabled if the touch sensor is engaged (there will be no
tacho counting). I usually implement this by using variables as "virtual
sensors" like this
int IN_LEFTBUMPER, IN_TACHO;
task tachoandleftbumperdriver
{
while (true)
{
if IN_1>1000
{
IN_LEFTBUMPER = 1;
continue;
}
IN_LEFTBUMPER = 0;
// insert code to count tachos here
}
}
It is important to disengage anything that would result in rotation on the
rotation-sensor the moment the left bumper is engaged or else you will lose
track of rotation. The light sensor shared with a touch sensor is
implemented in a similar manner.
Simen
--
Did you check the web site first?: http://www.crynwr.com/lego-robotics
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Message is in Reply To:
 | | RE: Voltage generator
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| Way to go Simen! I just looked at your web site - Very cool. I can't wait to give this a try. Is there anywhere on your site where you have a code sample to share two sensors on one input? Regards, Dave Ryder. In article (...) (26 years ago, 21-Jan-99, to lugnet.robotics)
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