[En-Nut-Discussion] ENJ28J60

[Richard Sloan]

A driver for NutOS would be nice, someday maybe the errata will shrink and the part will not use so much power.... buy then we will all be ready!

> Date: Wed, 24 May 2006 19:56:43 +0200> From: jesperh at telia.com> To: en-nut-discussion at egnite.de> Subject: Re: [En-Nut-Discussion] ENJ28J60> > I used a modified version of Pascal Stangs driver, together with the UIP > stack (dare I say that here? ;-)> I wanted to redo the driver for use with NutOS but haven't had the time > yet. It shouldn't be too much work though.> > The code is a big mess as it's a patchwork of many various projects. > I'll try clean it up a bit and post a link to it here.> > /Jesper> > Bengt Florin wrote:> > Well Jesper, that's good news.> > I did put our little ENC28J60 project on ice after reading the errata.> > Then it might be time to wake it up again.> > > > BTW. did you write the drivers by yourself?> > If yes, do you want to share?> > If no, what did you start out with? Drivers from Microchip?> > > > /bengt> > > > -----Original Message-----> > From: en-nut-discussion-bounces at egnite.de> > [mailto:en-nut-discussion-bounces at egnite.de] On Behalf Of Jesper Hansen> > Sent: den 24 maj 2006 19:27> > To: Ethernut User Chat (English)> > Subject: Re: [En-Nut-Discussion] ENJ28J60> > > > I've had a ENC28J60 running for months on a web-server with a mega128 > > clocked at 7.2728 MHz, and have had no problems at all with it.> > I've two other boards with ENC28J60's on and haven't notices any > > problems with those either. None of these are even close to 8 MHz SPI > > frequency !> > Also note that the 2k bias resistor that was recommended on the early > > devices should now be 2.7k. This lowers current consumption > > considerably, I'm not sure how much though, haven't measured.> > > > /Jesper> > > > Bengt Florin wrote:> >> Also the current status of the ENC28J60 (Rev B4) silicon makes it> >> practically unusable for most CPU's, as the SPI interface doesn't work> >> properly for clock rates under 8MHz.> >>> >> Silicon Rev B5 is said to correct this, but Microchip has yet not> > announced> >> when this will be available.> >>> >> Also, I agree to Haralds comment. Power consumption is way too high.> >>> >> Another interesting CPU to port Nut to would be the Freescale Coldfire> >> MCF52235, a true single chip solution as it also contains an Ethernet PHY.> >>> >> I remember reading some comments from Erik Lins to port Nut to Coldfire> >> MCF5282.> >> Well yes, it was back in 2004. Time flies.> >>> >> Any interest of, or progress in the Coldfire direction?> >>> >> /bengt> >>> >> -----Original Message-----> >> From: en-nut-discussion-bounces at egnite.de> >> [mailto:en-nut-discussion-bounces at egnite.de] On Behalf Of Harald Kipp> >> Sent: den 22 maj 2006 09:39> >> To: Ethernut User Chat (English)> >> Subject: Re: [En-Nut-Discussion] ENJ28J60> >>> >> Hello Richard,> >>> >> At 17:43 21.05.2006 -0400, you wrote:> >>> MIcrochip ENC28J60 Has anyone been able to use this IC with Ethernut?> > Been > >>> considering making a Ethernut board and using this, but I am terrible at > >>> writing drivers... I see code to operate the IC in the AVRlib,> >> After Erik Lins pointed me to the electrical characteristics,> >> namely the operating current, I lost my interest in this chip.> >>> >>> also any drivers for the newer MP3 IC's from VLSI 1002 or 1003?> >>>> >> Due to missing hardware (Medianut still uses the old VS1001K),> >> we never worked on an update. I agree that this is very sad.> >>> >> Harald> >>> _______________________________________________> En-Nut-Discussion mailing list> En-Nut-Discussion at egnite.de> http://www.egnite.de/mailman/listinfo.cgi/en-nut-discussion
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