Re: [lwip-users] Modbus TCP client and HTTP server at the same time

[Trampas Stern]

check the maximum number of  simultaneous TCP connections you have configured for LWIP.     

On Sat, Dec 21, 2019 at 5:06 AM MrFord <address@hidden> wrote:

Hi everyone. I have stm32f767zi and the lwip / socket library. I have a task.
The first is to read data from the device via modbus TCP. The second is data
output to a web browser. That is, the tcp client and the tcp server must be
running on the device at the same time. The problem is that when they work
in parallel, only the tcp server works, and the client just does not work.
Also tried to rewrite the code on the lwip / raw and lwip / netconn library.
Has anyone encountered this problem and how to solve it? Thanks in advance!



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