[ros-users] roscpp on embedded devices with ethernet?

[blackstag]

Understand. I have been working on a Roscpp light for this use case will be
joining the sig discussion also. Will mention it to Paul as the hobby
market is full of them right now.

On Wed, Sep 12, 2012 at 4:05 PM, Dave Curtis <dave at dave-curtis.com> wrote:

> Actually, if you are talking about the "imbedded linux" in my reply below
> -- that is probably *my* fat-finger when composing the e-mail, not a
> misspelling on his part.  My main point is that "embedded Linux" is very
> different from "embedded bare metal", which is where I want to go.
>  Embedded Linux requires an MMU and lots of RAM, uCLinux requires an MPU
> and lots of RAM -- I want something that will fit in low-end 32 bit ARM
> with no external RAM, or some such widget.
>
> -dave
>
> On Sep 12, 2012, at 1:56 PM, blackstag wrote:
>
> > Hah ok will tell Paul to spell right. Is Ros serial using sockets for
> small embedded linux processors. It was implemented on the Vex Pro and
> Chumby in our testing.
> >
> > On Wed, Sep 12, 2012 at 2:58 PM, Dave Curtis <dave at dave-curtis.com>
> wrote:
> > OK, so I see the rosserial_embeddedlinux package supports TCP, I didn't
> see that before.   But it does say "imbedded Linux", which is still
> considerably different from an MMU-less uCtlr.  So, is
> rosserial_embeddedlinux more light weight than its name would imply?
> >
> > -dave
> >
> > On Sep 12, 2012, at 11:43 AM, blackstag wrote:
> >
> > > Ros serial does have a TCP option now for wifi or ethernet.
> > >
> > > On Wed, Sep 12, 2012 at 1:14 PM, Dave Curtis <dave at dave-curtis.com>
> wrote:
> > > I've been searching the archives for info on this topic but everything
> I turn up is pretty ancient.
> > >
> > > Suppose you have an embedded device that has an ethernet controller
> and enough oomph to run a TCP stack and an RTOS, for instance an ARM
> Cortex-M3.  Is it possible to run roscpp on the bare metal, or does roscpp
> depend on a lot of Linux system services?  Of course, rosserial would be an
> option, but if you have an ethernet controller on chip, that seems
> limiting.  Or is there another light-weight ROS comms on TCP that I don't
> know about?
> > >
> > > -dave
> > >
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