Hi
Looks just like your driver stops receiving, did you check with a
breakpoint that you're actually passing the correct received packets to
lwip?
BR /Jens
On 2018-09-30 11:09, Paweł wrote:
Hi,
I've implemented lwIP on following hardware:
CC1312R (ARM Cortex M4F) - TI Launchpad Board,
lwIP 2.1 in operation system mode (TI-RTOS),
ENC28J60 MAC+PHY.
My lwIP MQTT client (the one which comes with the stack) succesfully
connects to the broker and can both publish and subscribe.
At this moment I'm testing only publishing (one publish per second) -
the messages are published without problem for some time (one time it
is about 50 publish packets, one time 300), then the communication stops.
I've recorded packets using Wireshark (with MQTT and TCP filters). IP
192.168.1.171 is lwIP, 54.76.137.235 is broker IP.
What I can observe is that lwIP somehow can't handle TCP
retransmission packets properly.
I don't have any messages about too small memory or assertions before
communication stops.
What can I do more to solve my problem? Did you see something like that?
I'm attaching .pcap file with described problem (at the end of file).
Regards,
Paweł
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