Subject:
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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 16:40:17 GMT
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Original-From:
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linmix <[linmix@gmail.]avoidspam[com]>
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Viewed:
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3679 times
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I'm trying to write a simple program to make a roverbot-like robot seek
for light.
My basic idea is to use a timer ( Timer(0) ) to keep track of how long
the robot has been turning and a variable (time) to remember the moment
when the brightest light was seen. I don't think there is anything
fundamentally wrong with this approach (any suggestions are welcome),
but I've run into an error and don't know what causes it.
Can anyone please explain what I'm doing wrong here?
Thanks in advance
linmix
This is my code:
//findlight.nqc
#define A OUT_A
#define C OUT_C
int light, maxlight, time;
int turntime = 500; //change to accomodate 1 turn
task main()
{
SetSensor (SENSOR_2, SENSOR_LIGHT);
ClearTimer (0);
while (Timer (0) < turntime)
{
OnFwd (A);
OnRev (C);
if (SENSOR_2 > maxlight)
{
maxlight = light // set maxlight to new max value
/* the following line produces a parse error */
time = Timer(0) // remember when maxlight was found
}
}
OnRev (A)
OnFwd (C)
Wait (turntime - time) // return to the point where the highest
light level was found
}
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Message has 2 Replies:
 | | Re: FindLight
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| Please try some semicolons on your lines! Chris (...) //findlight.nqc #define A OUT_A #define C OUT_C int light, maxlight, time; int turntime = 500; //change to accomodate 1 turn task main() { SetSensor (SENSOR_2, SENSOR_LIGHT); ClearTimer (0); (...) (18 years ago, 25-Feb-07, to lugnet.robotics)
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