Re: [lwip-users] Problems getting a basic example running

[Kieran Mansley]

On 22 Aug 2012, at 02:18, Fre Net wrote:

> I've got some more info in the hopes that this will help...
> 
> I've debugged a bit more and found that from within tcpip_apimsg():
> 
> sys_mbox_valid(&mbox) is failing causing a return of ERR_VAL.
> 
> This in turn causes netconn_new_with_proto_and_callback() to return NULL. I 
> am not sure why it is failing. netconn_new_with_proto_and_callback() is not 
> failing at the asserts after the tcpip_apimsg() call.
> 

That suggests that it hasn't been initialised.  How are you initialising lwIP 
in your project?

Kieran