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## Re: [lwip-users] How can I use "lwip" to build up a tcp-client?

 From: Sathya Thammanur Subject: Re: [lwip-users] How can I use "lwip" to build up a tcp-client? Date: Tue, 23 Aug 2005 07:52:47 -0700

```Yes, Steve is right. These types of errors are better caught with the

Sathya

On 8/23/05, Steve Chinatti <address@hidden> wrote:
> I believe this cryptic error means you need to set the Ethernet MAC address.
> This is done differently for the EMAC LITE as opposed to the EMAC.  In your
> MSS file, you should have a line like the following in your LWIP LIBRARY
> section (for the EMACLITE):
>
> PARAMETER EMACLITE_INSTANCES =
> ((my_opb_ethernetlite,0x00,0x0A,0x35,0x00,0x22,0x20))
>
> Or the following if using the full EMAC:
>
> PARAMETER EMAC_INSTANCES =
> ((my_opb_ethernet,0x00,0x0A,0x35,0x00,0x22,0x20))
>
> Where "my_opb_..." is replaced with the name of your EMAC{LITE} instance as
> defined in your MHS file.
>
> ---
> Steve Chinatti
> Innovative Communications Engineering, LLC
>
> > -----Original Message-----
> > address@hidden On Behalf Of Daniel
> > Klingler
> > Sent: Tuesday, August 23, 2005 12:37 AM
> > To: 'Mailing list for lwIP users'
> > Subject: AW: [lwip-users] How can I use "lwip" to build up a tcp-client?
> >
> > Hi Sathya,
> >
> > here is the error:
> >
> > make[1]: Entering directory
> > `/xygdrive/d/Board/ppc405_0/libsrc/lwip_v2_00_a/src'
> > make[1]: *** No rule to make target `xemacif_g.c', needed by `.depend'.
> > Stop.
> > make[1]: Leaving directory
> > `/xygdrive/d/Board/ppc405_0/libsrc/lwip_v2_00_a/src'
> >
> > Regards
> > Daniel
> >
> > ---------------------------------
> > TES Electronic Engineering GmbH
> > Daniel Klingler, Dipl.-Ing.
> > Consultant Digital Design
> >
> > Zettachring 8
> > 70567 Stuttgart
> > Tel.: 0711/7287 7450
> > Fax:  0711/7287 7451
> > www.tesbv.com
> > ---------------------------------
> >
> >
> > > -----Ursprüngliche Nachricht-----
> > [mailto:lwip-
> > > address@hidden Im Auftrag von
> > Sathya
> > > Thammanur
> > > Gesendet: Montag, 22. August 2005 23:00
> > > An: Mailing list for lwIP users
> > > Betreff: Re: [lwip-users] How can I use "lwip" to build up a tcp-client?
> > >
> > > Hi Daniel,
> > > If you look at ppc405_0/libsrc/lwip_v2_00_a/src/logs file this will
> > > tell you the exact error. This looks more like an issue with
> > > compilation. Send me the error that you see in this file and I can
> > > tell you what is going on.
> > >
> > > Sathya
> > >
> > >
> > >
> > >
> > > On 8/22/05, Daniel Klingler <address@hidden> wrote:
> > > >
> > > >
> > > > Hi Alberto!
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > I used the version 1.0, but now I changed it to 2.0 then the compiler
> > > gives
> > > > me an error (see below). Perhaps you will know which reason it
> > produces.
> > > > Still now I don't know how can I handle this.
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > ********************************
> > > >
> > > >  Building lwIP library
> > > >
> > > > ********************************
> > > >
> > > >
> > > >
> > > > Processor: ppc405_0
> > > >
> > > > ERROR:MDT - ERROR FROM TCL:- lwip () - child process exited abnormally
> > > >
> > > >        while executing
> > > >
> > > >    "exec bash -c "cd src;make all >& logs""
> > > >
> > > >        (procedure "::sw_lwip_v2_00_a::execs_generate" line
> > > > 42)
> > > >
> > > >        invoked from within
> > > >
> > > >    "::sw_lwip_v2_00_a::execs_generate 39388956"
> > > >
> > > > ERROR:MDT - Error while running "execs_generate" for processor
> > > ppc405_0...
> > > >
> > > > make: *** [ppc405_0/lib/libxil.a] Error 2
> > > >
> > > > Done.
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > Regards
> > > >
> > > > Daniel
> > > >
> > > >
> > > > ---------------------------------
> > > > TES Electronic Engineering GmbH
> > > > Daniel Klingler, Dipl.-Ing.
> > > > Consultant Digital Design
> > > >
> > > > Zettachring 8
> > > > 70567 Stuttgart
> > > > Tel.: 0711/7287 7450
> > > > Fax:  0711/7287 7451
> > > > www.tesbv.com
> > > > ---------------------------------
> > > >
> > > >
> > > > -----Ursprüngliche Nachricht-----
> > > > Von:
> > > > Im Auftrag von Alberto Martin-Ortega
> > > > Gesendet: Montag, 22. August 2005 10:10
> > > > An: Mailing list for lwIP users
> > > > Betreff: Re: AW: [lwip-users] How can I use "lwip" to build up a tcp-
> > > client?
> > > >
> > > >
> > > >
> > > >
> > > > Hi Daniel,
> > > >     The echo server you are using works with the raw api and not with
> > > the
> > > > socket one. Therefore you are probably on a standalone environment,
> > > without
> > > > any operative system. You can find info about the raw api on your
> > > project
> > > > directory, it will be something like this:
> > > > ..\ppc405_0\libsrc\lwip_v2_00_a\src\lwip\doc -> rawapi.txt
> > > > Here you can find some good info about what functions you are going to
> > > need
> > > > to build your tcp client application.
> > > > The truth is that I have not implemented any tcp-client app, however I
> > > have
> > > > two tcp-servers and a udp-client running altogether in one PPC inside
> > a
> > > > Virtex2p7.
> > > > By the way, are you using lwip 2.0 or 1.0? If you are using lwip 1.0 I
> > > > strongly recommend you to use lwip 2.0 if you can. It has a lot of
> > > errors
> > > > corrected.
> > > > You could check this and read rawapi.txt if you havent already, and
> > then
> > > we
> > > > could see how to build this tcp-client app. Can you send what you are
> > > doing
> > > > in the one it is not working? Maybe we can figure out what is wrong on
> > > it.
> > > > Good luck Daniel..
> > > >
> > > > Alberto.
> > > >
> > > >
> > > > ----------------------------------------
> > > > Alberto Martin-Ortega
> > > > Hardware Engineer
> > > > IFARA TECNOLOGIAS S.L.
> > > > Tls: +34 914.904.060 -- +34 687.807.159
> > > > Fax: +34 916.614.515
> > > > Email: address@hidden
> > > > ----------------------------------------
> > > >
> > > >
> > > >
> > > >
> > > > Daniel Klingler wrote:
> > > >
> > > > Hi Alberto, thank you for your quick answer!
> > > >
> > > >
> > > >
> > > > We use tcp. We had set up all the others with tcp and now we won't
> > > change it
> > > > to udp.
> > > >
> > > >
> > > >
> > > > I thing we are using Socktes. For the server we used the example from
> > > > Xilinx, like below:
> > > >
> > > >
> > > >
> > > > - bind server to a specified port:
> > > >
> > > > pcb = tcp_new();
> > > >
> > > > tcp_bind(pcb, IP_ADDR_ANY, FREQ_CHANGE_PORT);
> > > >
> > > > pcb = tcp_listen(pcb);
> > > >
> > > > tcp_accept(pcb, freq_change_accept);
> > > >
> > > >
> > > >
> > > > - accept a client to communicate:
> > > >
> > > > tcp_recv(pcb, freq_change_recv);
> > > >
> > > > tcp_err(pcb, freq_change_err);
> > > >
> > > > tcp_poll(pcb, freq_change_poll, 1);
> > > >
> > > >
> > > >
> > > > Now I will set up a client in the PPC on the Xilinx FPGA. I will set
> > up
> > > on
> > > > the same PPC a client and a server. They shall work independent.
> > > >
> > > > I hope you can help me more.
> > > >
> > > >
> > > >
> > > > Regards
> > > >
> > > > Daniel
> > > >
> > > >
> > > > ---------------------------------
> > > > TES Electronic Engineering GmbH
> > > > Daniel Klingler, Dipl.-Ing.
> > > > Consultant Digital Design
> > > >
> > > > Zettachring 8
> > > > 70567 Stuttgart
> > > > Tel.: 0711/7287 7450
> > > > Fax:  0711/7287 7451
> > > > www.tesbv.com
> > > > ---------------------------------
> > > >
> > > >
> > > > -----Ursprüngliche Nachricht-----
> > > > Von:
> > > > Im Auftrag von Alberto Martin-Ortega
> > > > Gesendet: Freitag, 19. August 2005 12:47
> > > > An: Mailing list for lwIP users
> > > > Betreff: Re: [lwip-users] How can I use "lwip" to build up a tcp-
> > client?
> > > >
> > > >
> > > >
> > > > Hi Daniel, there are some things that you have to do before using LwIP
> > > on
> > > > PPC405.
> > > >     - Are you using the RAW API or the Sockets API? If you are using
> > > sockets
> > > > you should know that are going to need the XilKernel up in order to
> > have
> > > > multithreading. However, if you want to use the RAW API, you wont need
> > > any
> > > > OS, so you will work standalone system.
> > > >     - Do you want a tcp or an udp client? TCP has more needs as,
> > timers
> > > and
> > > > some calls to other funtions. UDP is much more easier.
> > > >
> > through
> > > > this tedius (not much) duty.
> > > > Regards
> > > >
> > > > Alberto.----------------------------------------
> > > > Alberto Martin-Ortega
> > > > Hardware Engineer
> > > > IFARA TECNOLOGIAS S.L.
> > > > Tls: +34 914.904.060 -- +34 687.807.159
> > > > Fax: +34 916.614.515
> > > > Email: address@hidden
> > > > ----------------------------------------
> > > >
> >
> >
> >
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>
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