Hi Simon,
Thank you very much for your reply.
I found what is the reason of my problem. It was because of
MEMP_NUM_UDP_PCB value.
by default the value of
MEMP_NUM_UDP_PCB is 4 and I need 6 socket. so I changed the value to 6
and my problem was solved.
On 25.11.2018 19:03, anmk wrote:
> [..] after adding fifth
> socket, I have null pointer in return of "netconn_new(NETCONN_UDP)" function
> and my code doesn't work.
>
> what is the problem?
Have a look at lwip_stats. The 'err' members might tell you if you are
running short of memory.
Simon
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Best Regards.
Abbas Nozari.