Subject:
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Re: About SensorValueRaw(SENSOR_3) in Scout
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Newsgroups:
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lugnet.robotics.scout
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Date:
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Wed, 18 Jul 2001 02:32:39 GMT
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Viewed:
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3031 times
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In article <GGHBtM.FGp@lugnet.com>, "Zhengrong Zang"
<legozang@yahoo.com> wrote:
> I tried to get raw value of sensors in Scout, the SensorValueRaw(0/1) is
> ok, I
> get the raw values of Sensor1 and Sensor2, but I found SensorValueRaw(2)
> doesn't work, no value is returned.
> Then I found a example in NQC Guide Version 2.3 r1, it is
> SensorValueRaw(SENSOR_3), but it can't be compiled, I found SENSOR_3 is
> defined
> SensorValue(2) in rcx2.nqh.
> How can I read raw value of light sensor in Scout?
I think SensorValueRaw(2) should do what you want. I wrote a little
test program:
----
int x, y;
task main()
{
y = 0;
while(true) {
x = SensorValueRaw(2);
if (x > (y + 10))
PlaySound(SOUND_CLICK);
y = x;
}
}
----
and it seems to click a lot as things get brighter, and stop clicking as
things get darker. If SensorValueRaw(2) isn't behaving as you expect,
let me know.
SensorValueRaw(SENSOR_3) won't compile any more - my bad. I reworked a
lot of the expression code for 2.3 and guess I broke this (it was quite
a hack in the first place to allow SENSOR_3 to mean either the value of
sensor three or the index of sensor three depending on the context in
which it was used). You should see the same problem with the other
SensorXXX values. I'll try to fix this for the next release.
Dave Baum
--
reply to: dbaum at enteract dot com
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 | | About SensorValueRaw(SENSOR_3) in Scout
|
| I tried to get raw value of sensors in Scout, the SensorValueRaw(0/1) is ok, I get the raw values of Sensor1 and Sensor2, but I found SensorValueRaw(2) doesn't work, no value is returned. Then I found a example in NQC Guide Version 2.3 r1, it is (...) (23 years ago, 14-Jul-01, to lugnet.robotics.rcx.nqc)
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