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Hi all,
Having spent numeous days trolling the forums, trying
assorted things to narrow down the issues I am seeing, I am at the
stage with a development of FreeRTOS + lwip for an LPC1768 where I just
cannot see what is going wrong - hence the forum post.
Without going into a whole host of details about settings
for lwip - I can share more as required, basically I am having issues through
netconn_write. If I netconn_write more than twice in a HTTP session, or if I
netconn_write twice (or less) with more data than (2 * TCP_MSS) in size then it appears that the system locks
in a retry situation (or at least that is my take).
If I
limit the netconn_writes to two (with data less than 2 * TCP_MSS) then everything works fine - for days a HTTP
server worked fine like this.
I expect there may be too
little information here for anyone to get a true grasp of what might be
happening, but if any one of you can ask/state some obvious things to
check/share then I am sure it's going to be something silly.
FYI the following are working Static IP, DHCP, DNS, ARP, IP
and TCP (ish), this leads me to believe that this is
something specific.
Your help will be greatly
appreciated.
Regards Jimi
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