Subject:
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Re: Motor Controller Question
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Newsgroups:
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lugnet.robotics.handyboard
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Date:
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Wed, 13 Oct 1999 15:24:00 GMT
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Viewed:
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762 times
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bruce, for the HB you need to write data to $7000 to control the
motors. see appendix B of the 6.270 manual at
http://el.www.media.mit.edu/projects/handy-board/techdocs/
and also the HB FAQ
http://el.www.media.mit.edu/projects/handy-board/faq/
fred
In your message you said:
> > From what I could figure out from the literature on the HB, the motor
> controller circuit is controlled by Port B on the 6811. With a little
> tinkerin last nite I was trying to set/reset some of the pins poking values
> into $1004 (Got this from "An Introduction to the 6811" by Fred. I assumed
> that the miniboard used the same port for motor control that the HB does).
> It didn't seem to work. No changes at the l293 inputs. So...... I got to
> wonderin..... Are the PWM routines overriding my changes. If so, is there
> a way to disable the PWM so that I could use those outputs.
>
> For what I'm trying to do, I don't use the motor controllers and I don't
> want to give up any of the other input capability.
>
> Thanks
>
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Message is in Reply To:
 | | Motor Controller Question
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| From what I could figure out from the literature on the HB, the motor controller circuit is controlled by Port B on the 6811. With a little tinkerin last nite I was trying to set/reset some of the pins poking values into $1004 (Got this from "An (...) (25 years ago, 13-Oct-99, to lugnet.robotics.handyboard)
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