Subject:
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256 Motor Power Resolution
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Wed, 6 May 1998 00:24:44 GMT
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Original-From:
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Gordon Smith <smithg@gat{spamless}.com>
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Viewed:
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1444 times
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Hi All,
Has anyone noticed that if you slightly modify Julian Skidmore's LIB_HB.C
code that one can get 256 motor power levels rather than 100? I took the
following code in LIB_HB.C:
void motor(int m, int speed)
{
if (speed>100) speed=100;
if (speed<-100) speed=-100;
if (speed >= 0)
_set_motor(m, 0, (255*speed)/100);
else
_set_motor(m, 1, (-255*speed)/100);
}
And then changed the code to the following:
void motor(int m, int speed)
{
if (speed>255) speed=255;
if (speed<-255) speed=-255;
if (speed >= 0)
_set_motor(m, 0, speed);
else
_set_motor(m, 1,(-1*speed));
}
I can now get 256 power levels rather than the previous 100. I have
tested it (but not extensively) and it seems to work OK. Any comments on
this would be appreciated.
Gordon Smith II
Test Engineer
General Atomics Aeronautical Systems
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