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NUCLEO-H743ZI2 lwIP TCP Connection

NDalv.1
Associate II

How can I establish a TCP Connection with an NUCLEO-H743ZI2 ?

I managed to establish a simple TCP Connection with a NUCLEO-F429ZI and my PC using the lwIP stack (without FreeRTOS). The NUCLEO-F429ZI was the client and connected to a server, which was running on my pc using hercules. This worked without any problems. Now I tried to use a NUCLEO-H743ZI2 instead, because I needed more RAM for my application. I implemented basically the same application but the tcp connection is never established. After calling 

tcp_connect(...)

 the callback is never called.

I tried multiple different firmwares and configurations but nothing worked for me.

I also tried with same linker file and mpu configuration but it is not working.

please guide me about this issue. your immediate response is really helpfull

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2 REPLIES 2
Piranha
Chief II

https://community.st.com/s/question/0D50X0000C6eNNSSQ2/bug-fixes-stm32h7-ethernet

https://community.st.com/s/question/0D50X0000BOtfhnSQB/how-to-make-ethernet-and-lwip-working-on-stm32

Compared to H7, you would have a better luck with F7, which still has more RAM. But anyway - ST doesn't provide a working network implementation.

NDalv.1
Associate II

Do you mean tcp/ip will not work properly on H7 Series. As i compared with F7 series example code almost all code in main source file is same.

Is there memory issue with H7 while using tcp echo client example code.