MC9S12NE64
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From: Johnny Karlsson on 8 Jun 2005 04:14 Hi, I'm using the MC9S12NE64 with the Freescale version of OpenTCP and I'm having some problems the the tcp/ip-stack. It sometimes doesn't ACK received data packets, which results in retransmissions. The problem doesen't seem to be related to high volume traffic all, tough the problem becomes more acute when a lot of data is being received and transmitted. Is someone using this tcp/ip-stack and having the same problems as me? I would also be interested in other peoples experiences with OpenTCP. Best Wishes Johnny Karlsson
From: embeddedsys999 on 8 Jun 2005 09:28 If you cannot resolve your problem, you may want to check out CMX at www.cmx.com. CMX offers a small TCP/IP stack called CMX-MicroNet that works quite well on the MC9S12NE64 and is fully supported, etc. A free evaluation version of the software for this chip can be downloaded from the CMX website, as well.
From: Repzak on 9 Jun 2005 13:09 <embeddedsys999(a)hotmail.com> wrote in message news:1118237285.864533.108910(a)f14g2000cwb.googlegroups.com... > If you cannot resolve your problem, you may want to check out CMX at > www.cmx.com. CMX offers a small TCP/IP stack called CMX-MicroNet that > works quite well on the MC9S12NE64 and is fully supported, etc. A free > evaluation version of the software for this chip can be downloaded from > the CMX website, as well. Mine is running in Uip.... but only 7Kb/S from MMC card for each conenction :( but it kan handle 10 connections a 7Kb/s..... (caused by windowze is quite slow to ack) Kasper
From: Johnny Karlsson on 10 Jun 2005 07:53 "Repzak" <repzakGED(a)hotmail.com> wrote in message news:<42a877c0$0$18650$14726298(a)news.sunsite.dk>... > <embeddedsys999(a)hotmail.com> wrote in message > news:1118237285.864533.108910(a)f14g2000cwb.googlegroups.com... > > If you cannot resolve your problem, you may want to check out CMX at > > www.cmx.com. CMX offers a small TCP/IP stack called CMX-MicroNet that > > works quite well on the MC9S12NE64 and is fully supported, etc. A free > > evaluation version of the software for this chip can be downloaded from > > the CMX website, as well. > > > Mine is running in Uip.... > > but only 7Kb/S from MMC card for each conenction :( > > but it kan handle 10 connections a 7Kb/s..... > (caused by windowze is quite slow to ack) > > Kasper I found the the problem now, it was a bug in OpenTCP, i sent a patch to the maintainer of Freescale OpenTCP so hopefully the fix will be integrated in the next release. 7Kb/S seems really slow if your using the MC9212NE64, i can't give you a speed mesurement for OpenTCP but it seems faster then that.
From: Eric Smith on 10 Jun 2005 13:53
johnny.karlsson(a)gmail.com (Johnny Karlsson) writes: > I found the the problem now, it was a bug in OpenTCP, i sent a patch > to the maintainer of Freescale OpenTCP so hopefully the fix will be > integrated in the next release. If it's a reasonably small patch, could you just post it here for the rest of us? Thanks! Eric |