Re: [lwip-users] Randomly delayed frame (STM32070 package including LwIP v1.4.1)

[address@hidden]

Am 28.12.2018 um 19:06 schrieb Jason White:
> I don't any specific advice for your platform, but I do see that you are
> using a very old (practically antique!) version of lwIP.
>
> A lot of things in LwIP have improved since version v1.4.1 and very few
> people use or have knowledge of such an old version these days.
>
> It may be worthwhile to update to the latest release v2.1.1.

Also, make sure to use the latest STM32 drivers. I had to fight with 
lost RX packets about a year ago with the STM drivers - and lost RX ACKs 
packets might result in delayed TX packets for TCP connections...

Although I don't know if this is your issue or if what I saw is fixed by 
now.

Simon

> Disclaimer: I am not a LwIP developer, I just am a developer for some
> commercial products using the STM32F2xx and STM32F4xx..
>
> -Jason White