Re: [lwip-users] lwip 1.3 UDP - DNS strange behaviour

[Jonathan Larmour]

address@hidden wrote:
> Sergio Sider wrote:
>
> > I am using lwip "ported" by LuminaryMicro, and CodeSourcery (GCC)
> >
> > #define SYS_LIGHTWEIGHT_PROT            1           // default is 0
> > #define NO_SYS                          1           // default is 0
> >
> > On interesting fact: A custom UDP message I send on the beggining was
> > not transmitted also although the program thought it was. After a few
> > seconds, the udp messages started to work. But DNS don´t, but that's
> > because of the timeout that never occurs, so there is no retry.
> >   
>
> Have you made sure timeouts work at all in your port? The default lwIP 
> source provides no timoeut implementation in case of setting NO_SYS to 
> 1!

I bet that's it, which is why I asked about NO_SYS :-).

Jifl
--
eCosCentric Limited      http://www.eCosCentric.com/     The eCos experts
Barnwell House, Barnwell Drive, Cambridge, UK.       Tel: +44 1223 245571
Registered in England and Wales: Reg No 4422071.
------["The best things in life aren't things."]------      Opinions==mine