TouchGfx and LWIP Implemention on STM32H750DK

[PushparajAdka]

Hey Team,

I want to make LWIP and TouchGfx to work together for our next product. I have taken reference from here:

https://community.st.com/t5/stm32-mcus/how-to-create-a-project-for-stm32h7-with-ethernet-and-lwip-stack/ta-p/49308

1. Touchgfx is working as expected

2. I am not able to ping using etherenet. I am not sure the issue here.

Please let me know what needs to be done here.

Thanks.

(Reposting this question as my previous post closed by mistake)

[PushparajAdka]

Hey @Saket_Om @MOBEJ ,

    Please let me know your thoughts on this. Thank you.

[Saket_Om]

Hello @PushparajAdka 

Thank you for your message. When you say "tcp_init does not get executed," do you mean that the program gets stuck (hangs) at a certain instruction? If so, could you please specify at which instruction or function the code execution stops?

[PushparajAdka]

Hey @Saket_Om ,

    I am not sure about that. At this moment I know that it does not come out tcp init() function. Is the configuration looks good to you? But my other task of touchgfx works even if this task stuck here. 

[Saket_Om]

Hello @PushparajAdka 

Your configuration is good. However, it is important to know at which point the program get stack.

It may hang in certain ISR when start executing tcp_init.

[PushparajAdka]

@Saket_Om  I am not aware of how to show these to you. Could you please provide more details? 

Thanks 

[Saket_Om]

Juste pause the debugger right after the execution of tcp_init.

[PushparajAdka]

So I figured out that the code get's stuck here.

void tcp_init(void)

{

#ifdef LWIP_RAND

tcp_port = TCP_ENSURE_LOCAL_PORT_RANGE(LWIP_RAND());

#endif /* LWIP_RAND */

}

It does not come out of this function and when i pause debugging it goes and hangs as I showed in above picture.

Please let me know if you need anymore details.

[Saket_Om]

Hello @PushparajAdka 

Did you enable the D2SRAM1 clock with the instruction below?

__HAL_RCC_D2SRAM1_CLK_ENABLE();