Re: [lwip-users] Submit response

[Sanchayan]

Hello Sam,

Are you using the enet_io code examples available with Stellaris LM3S6965?

I think this should not be happening, though i can't be sure. The first 
thing that comes to my mind, is that the FindCGIParameter function 
iterates over a certain number of args, in this case max 16, and returns 
the index.  According to the code comments, you can pass a maximum of 16 
CGI parameters, which is defined in the httpd.h file.

Regards,
Sanchayan.

On 17-07-2012 00:28, Kieran Mansley wrote:
> On 16 Jul 2012, at 16:51, address@hidden wrote:
>
> > I am using lwip on a TI LM3S6965 without RTOS.
> >
> > I have a web page with 12 checkboxes and a couple of select lists within a form
> > that is handled by a CGI handler in the program.
> >
> > I know that a checkbox only sends data when it is checked.
> >
> > If I check all 12 boxes and press the submit button the page immediately
> > shows an error. "unable to display page" and the CGI never gets called.
> >
> > If I only check 10 or less boxes the CGI gets called and all is fine.
> >
> > I have tried increasing MEMP_NUM_PBUF to 36 and increasing MEM_SIZE to 24K in 
> > the lwipopt.h file.
> > But it didn't help.  I suspect it has something to do with memory.
>
> I agree it probably is memory, or perhaps with the increased number of 
> check-boxes ticket the request size overflows some limit.  If you get a packet 
> capture that might highlight some problem.
>
> Kieran
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