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Re: [lwip-users] blocked udp

From: Simon Goldschmidt
Subject: Re: [lwip-users] blocked udp
Date: Wed, 28 Sep 2016 12:33:00 +0200

garibaldi pineda garcia wrote:
> What I do is have an interrupt to receive the data from the FPGA and,
> in the main program loop (would this be the LWIP context?),

I guess so. That would mean you don't use an OS but use lwIP in NO_SYS=1 mode.

> I call a function to send data out. I also have an interrupt for the receive
> function for the LWIP data.

That would mean you call the lwIP TX functions from main loop while calling the
RX functions from ETH RX interrupt. That's not supported and this most probably
is your problem.


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