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Re: [lwip-users] Help on porting LWIP

From: André
Subject: Re: [lwip-users] Help on porting LWIP
Date: Thu, 11 Nov 2010 03:19:06 -0800 (PST)

Piotr and Yoav,

As I can see, TCP seems to be the best choise, because I can not affort losing 
datas, so this is the best way to take.

Actualy, I've already configured lwipopts.h and the code (in high level) is 
almost done....

My problem now is to configure the very low level...

In time of writting, my compiler seems not to support packed attribute yet. Is 
it vital to use it on that packed structures or it is just for compacting the 

Ty all


--- Em qua, 10/11/10, Piotr Piwko <address@hidden> escreveu:

> De: Piotr Piwko <address@hidden>
> Assunto: Re: [lwip-users] Help on porting LWIP
> Para: "Mailing list for lwIP users" <address@hidden>
> Data: Quarta-feira, 10 de Novembro de 2010, 20:41
> 2010/11/10 André <address@hidden>:
> > My estimates is to send my array 100 times per
> second...
> > I'd like to know what is the most indicated protocol
> to make it...
> You have a choice between TCP and UDP protocols. TCP
> provides
> reliable, ordered delivery of a bytes stream whereas UDP
> provides a
> reduced latency over reliability. You have to chose one of
> these, but
> you can always perform some tests with the both of them.
> At the beginning, as you exactly know, you have to create
> and edit the
> lwipopts.h file according your requirements. As a base I
> encourage you
> to use one of these which are included in 'contrib'
> packages (I think
> 'contrib/ports/unix/proj/minimal/' will be the best). Look
> also at
> http://lwip.wikia.com/wiki/LwIP_Wiki.
> The best solution for you is to make a lot of tries of
> building and
> configuring your lwIP module. I know that it may seems
> complicated at
> the beginning, but believe me if you get familiarize with
> its
> philosophy it will be very logical.
> Good luck!
> -- 
> Piotr Piwko
> http://www.embedded-engineering.pl/
> _______________________________________________
> lwip-users mailing list
> address@hidden
> http://lists.nongnu.org/mailman/listinfo/lwip-users

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