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LWIP integrates quite well with the FreeRTOS scheduler, I’ve used that combo before. How does the “plus-TCP” stack compare?

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The quality usually depends on the vendor adapting it to their silicon.

If you look at ST and their STM32 the lwip integration is extremely bug ridden. Just read all the articles in their forum from "Piranha". I also struggled with extremely hard to debug bugs coming from their adaption layers.

Lwip itself has a solid quality.

That sounds like ST. They make some really intriguing chips at good prices, but the tradeoff is that their hardware and software are full of bugs.

Can you say, with which hardware does, the LWIP stack, work well?

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