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Altera_Forum's avatar
Altera_Forum
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21 years ago

LWIP/LAN91C111 Bug!

I've just spent the best part of a day trying to get some simple socket stuff to work under LWIP/uCos. Symptoms? Telnet-style connections locked up and dropped mysteriously... Anyway, ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
21 years ago

I've taken the SSS example and tweaked it to handle file transfers. In my test the board receives a file in 1500 byte max data packets and immediatly sends them back to the client. There are several things I could do to streamline the code, I just didn't expect it would be so slow. The NiosII is tiny model (no cache) @ 30Mhz. The lan91C111 has a 16bit bus. Have to give ethereal a try if I run out of ideas.