I just tried to send patches to the avr-gcc-list ML for binutils 2.20, but my corp email server was having some difficulty. I'll try again later.
> -----Original Message----- > From: > avr-libc-dev-bounces+eric.weddington=atmel....@nongnu.org > [mailto:avr-libc-dev-bounces+eric.weddington=atmel....@nongnu. > org] On Behalf Of Paul Rathgeb > Sent: Wednesday, February 17, 2010 2:23 PM > To: Joerg Wunsch > Cc: avr-libc-dev@nongnu.org > Subject: Re: [avr-libc-dev] ATMEGA16U2 support > > I'm currently trying to recompile my toolchain with the support for > atmegaXXu2 MCUs, but I'm unable to find the patches for > binutils 2.20 / > gcc 4.4.[23]. > There's no new patches for new devices here > ( > http://www.freebsd.org/cgi/cvsweb.cgi/ports/devel/avr-binutils > /files/patch-newdevices ) since Jun 2009. Where can I found > the latest patches to add the u2 support ? > > Thanks in advance, > > Paul Rathgeb > > On Fri, 2010-02-05 at 11:28 +0100, Joerg Wunsch wrote: > > As Paul Rathgeb wrote: > > > > > Unfortunately, I don't found informations about the > avr-libc support for > > > this controller. ATMEGA16U4 seems supported, but I don't > know if I can > > > use this MCU type for the compilation. > > > > ATmega16U2 is supported by avr-libc, provided your compiler has been > > patched to support it. Presence of respective compiler support is > > autodetected when running avr-libc's configure script, and the > > respective pieces are omitted if the compiler support is missing. > > > > I don't have an idea whether the AT90USB162 and the ATmega16U2 are > > binary (probably upwards) compatible; however, usually there are > > application notes available describing that kind of > migration process. > > Please see whethere there's one around for this transition, and what > > it has to tell about binary compatibilty. Of course, if they are > > binary compatible, you could just compile the code for an AT90USB162 > > (which is likely to have better support even in somewhat older > > toolchain versions). > > > > > > > _______________________________________________ > AVR-libc-dev mailing list > AVR-libc-dev@nongnu.org > http://lists.nongnu.org/mailman/listinfo/avr-libc-dev > _______________________________________________ AVR-libc-dev mailing list AVR-libc-dev@nongnu.org http://lists.nongnu.org/mailman/listinfo/avr-libc-dev