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RE: [avr-libc-dev] Ethernet & IP networking support?

From: Weddington, Eric
Subject: RE: [avr-libc-dev] Ethernet & IP networking support?
Date: Sat, 24 Apr 2010 09:46:52 -0600

See Ethernut:

or the uIP project:

The main thing to understand is that the 8-bit AVR devices do not have an 
on-chip Ethernet peripheral. So there is almost zero chance that Ethernet 
capabilities will be added to avr-libc. You will have to use external projects 
like those above.

Eric Weddington

-----Original Message-----
From: address@hidden on behalf of Ivan Shmakov
Sent: Sat 2010-04-24 8:31 AM
To: address@hidden
Subject: [avr-libc-dev] Ethernet & IP networking support?

        Apparently, there's at least some interest in Ethernet and IP
        networking support for AVR (say, [1-3].)

        Now, there're various bits of the modern C libraries, both
        standard (say, htonl(1) [4], IN6_IS_ADDR_LOOPBACK () and struct
        in6_addr [5]) and not (say, struct ip6_hdr from netinet/ip6.h,
        GNU Libc [6]) that are plainly useful when implementing a
        networking stack on MCU-based devices and which should be quite
        easy to tailor for such a purpose.

        I wonder, is there a chance for such a "networking support" to
        appear in AVR Libc?  Or is there some other library for the
        things of that sort?

[1] http://www.harbaum.org/till/ledmatrix/
[2] http://tuxgraphics.org/electronics/200710/avr-ntp-clock.shtml
[3] http://www.users.globalnet.co.uk/~arcus/avr-ntp/
[4] http://www.opengroup.org/onlinepubs/000095399/functions/htons.html
[5] http://www.opengroup.org/onlinepubs/000095399/basedefs/netinet/in.h.html
[6] http://www.gnu.org/software/libc/

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