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From: | Bilahari Akkiraju |
Subject: | [lwip-users] Example port for a beginner |
Date: | Tue, 22 May 2007 17:19:26 -0500 |
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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