Example port for a beginner1 In my point of view windows port is the most
simple port to start with .
2 Yes lwip stack can be implemented without sys_arch.c provided that you
understand where the stack should be made thread safe . I have done it by
myself and implemented my own api layer as well .
4 Yes sys_timeouts is pretty confusing but if you implement your own api
layer then you can ignore it all together
----- Original Message -----
From: Bilahari Akkiraju
To: [email protected]
Sent: Wednesday, May 23, 2007 3:19 AM
Subject: [lwip-users] Example port for a beginner
Hello all , I have few questions on lwip-1.2.0 ( I hope I have chosen a
minimum risk version, is it a stable version)
1 . Any good example of a port that's available for a beginenr who is trying
to port lwip to ppc 83xx.
2. Can I port lwip stack without implementing sys_arch.c at all. I mean
without impelementing semaphore and mailbox funcs.
3 . Should I change or add some stuff in sys.c like in sys_arch.c.
4. And what exactly does sys_timeouts structure in sys.h signify ? I see
that it's a linked list with each node having time value, handler and its
arguments. Whats the logic behind duch design, why is it a linked list, does it
store different timers each with its own base value, handler that fires when it
hits low or a high ?. I am throughly confused about this way of dealing with
timeouts.
Thanks.
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