interpolation and algorithms of multiple axes was Re: Pulse Gen

--- In CAD_CAM_EDM_DRO@egroups.com, "PhilC" <phil@p...> wrote:

>
> ----- Original Message -----
> From: "Wally K" <cnc4me@u...>
> <snip>
>
> > I am just trying to keep things simple and universial. If we keep
> > this a simple pulse generator circuit. Then any of the freeware

or

> > very low cost CNC controlor programs could more easily write a
> > interface for it. If Circular Interpolation would not interfere

with

> > using this board as a simple pulse generator and it was just

another

> > feature that could be used then i would say include it.
> >
>
> I am all for keeping things as simple as possible also, so I see

what you

> mean. But if the circular interpolation is done by the computer,

the update

> rate between the computer and hardware pulse generator is much

higher

> whether using a serial or parallel interface. If the circular

interpolation

> is done in the hardware (microcontroller's firmware) then the only

data

> update from the computer is the destination and radius (or center

offset).

> Actually the precalculations for linear and circular interpolation

could be

> done by the computer and only a few registers need to be updated by

the

> computer to the microcontroller for the whole circ or linear move..
>
> Regards,
>
> Phil

Ok Phil you have convinced me. When can you start writing code.


Wally K.