| From: | Francis G. Loch |
| Date: | 4 Mar 2001 at 11:54:03 |
| Subject: | Re: future assistance may be needed. |
Hi Andrew,
On 04-Mar-01, you wrote:
> Hi,
>
> Folks, out of sheer curiosity, I am trying to build a "robot" buggy and want
> to write the code on the Miggy.
>
> There are two ways to control the motors.
>
> 1) I send the data to a DAC via a latch and that gives an analogue signal
> to a VCO that drives the motor/s.
>
> 2) I send the PWM waveform down the data lines. Yes a bit more brutal, but
> more controlable.
>
> So I am wanting to know how fast the Miggy can "slit data out the Parallel
> port"?
>
> If I go for the latter, I will need a fairly good speed.
The Amiga should be able to handle that no problem. I used to do similar kinds of thing on my old 1MHz BBC Micro. ;c)
>
>
> All that aside I am also going to need help with building the "interface",
> as I have no real blitz knowledge.
>
> The code is a few days/weeks off yet.
>
> Would anyone be interested in please helping me with it?
>
> I am guessing that the first way could be done with AREXX even, but the
> second MUST be in blitz.
>
> The "gui" will be 2 sliders. One for each motor. Maybe a "speed" at the
> top of them too. ("speed" aka frequency.)
>
> There may also need to be a "trim" control, so if one motor is slightly
> slower / faster than the other one, I can trim it so if both levers are at
> the same position, the vechical goes straight(er) than it would if the trim
> was not there.
>
> Maybe 3 levers. 1 for each motor, and a "common" one too. So only when
> turning I use the specific one for the motor.
>
> Anyway; I don't want to go on about it. That is the basic idea (scuze the
> pun) and I am just asking.
>
> Anyone? :-)
>
> Cya!
Kind regards,
Francis.
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