Re: Embedded Ethernet platforms -- your view



I am looking for guidance with selection of a hardware development
platform and tools for a new project. The task is essentially to embed an
Ethernet router in an existing system, which will consume some network
traffic (TCP/IP) and forward the rest. As a first phase, we would like to
get a working hardware platform for code development; later we roll our
own
hardware based on the selected controller. I have been surveying
platforms
that provide Ethernet connectivity and sufficient horsepower to process
level-2 packets; the toughest part has been finding appropriate
development tools.

From what Iâ?Tve learned here and elsewhere, the Freescale ColdFire (e.g.
MCF5282) or an ARM-based device (e.g. AT91RM9200, Samsung S3C4510B) are
suitable controller choices. At this point I am leaning towards ColdFire
based on praise of the architecture.


The ATNGW100 AVR32 Gateway is low cost H/W
combined with Linux.
Key features is dual Ethernet, which I believe you will need.

The recently released "Buildroot for AVR32" on avrfreaks.net
should allow you to get a flying start on the tools side.
* gcc-4.1.0 based toolchain (C, C++)
* linux 2.6.22.1 based linux kernel
* uclibc based root file system with a number of
router/gateway related S/W
* Target optimized for ngw100

You debug using a JTAG ICE Mk II.

Other items on the wish list include:
o TCP/IP stack / OK
o Full Source code for any provided drivers, RTOS, etc/OK
o Full hardware schematics/OK
o Small development platform/module preferable/OK

Time-to-demo is more critical than cost at this point./OK



--
Best Regards,
Ulf Samuelsson
This is intended to be my personal opinion which may,
or may not be shared by my employer Atmel Nordic AB


.



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