On Sat, May 13, 2023 at 5:23 PM <karl@???> wrote:
>
> o1bigtenor:
> > On Fri, May 12, 2023 at 10:03 PM <karl@???> wrote:
> ...
> > Each station (initial idea is for 12 stations - - - round 2 anywhere
> > from 50 odd
> > to almost 200) will have its own weigh system.
>
> If theese are fixed stations I'd use CAN-bus for a mcu solution and
> ethernet for a embedded linux solution.
> If there is vibration involved or if the stations are semimovable I'd
> use CAN-bux and rubber cables or similar.
>
I'm thinking of keeping things simple, for me anyway, and just using
ethernet cabling.
> ...
> > > The step up to an os is needed when you need to have protection between
> > > processes, for that you need a mmu (memory management unit) and the
> > > your cpu can run in some priviliged mode which is usually reached via
> > > some trap mechanism so that the user processes cannot interfere with
> > > the supervising os.
> > >
> > A previous poster mentioned compiling in the RT_kernel options.
> > I'm hoping that might make the change between .barebone and .os
> > a lot smaller.
>
> No, they use different classes of cpus. An os like linux needs a mmu and
> different priviledge modes on the cpu, you don't have that on a cpu you
> are doing barebone programming on.
>

Thanks for the ideas and tips!!!