Thank you for all, maybe in the future i have more problem but today you show me the way. Is my first time using lwip with a micro AVR32.
Thanks again Oscar On Fri, Sep 18, 2009 at 12:04 PM, Kieran Mansley <[email protected]> wrote: > On Fri, 2009-09-18 at 11:28 +0200, Oscar F wrote: > > Ok, sorry. The values are always the same > > > > MEMP_NUM_NETCONN 4 > > errno = 0 > > You have two problems. First, MEMP_NUM_NETCONN limits how many sockets > you can have, so in your example this needs to be at least 8, and more > if you want sockets to send/recv data on as well as just listening. I > would suggest 16 as a minimum. > > > but i saw maybe the problem > > /* MEMP_NUM_TCP_PCB: the number of simultaneously active TCP > > connections. */ > > #define MEMP_NUM_TCP_PCB 2 > > /* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections. > > */ > > #define MEMP_NUM_TCP_PCB_LISTEN 1 > > /* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP segments. > > */ > > #define MEMP_NUM_TCP_SEG 9 > > /* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active timeouts. > > */ > > #define MEMP_NUM_SYS_TIMEOUT 6 > > > > > > #define MEMP_NUM_TCP_PCB_LISTEN 1 can be possible? i´ll test > > Yes, that will need to be at least as big as the number of listening > sockets, so 8 as a minimum. MEMP_NUM_TCP_PCB will need to be bigger too > as you need one of these for each data socket (so again 8 would be > sensible minimum) and I would suggest that having just 9 TCP segments > for 8 connections is cutting things pretty small: 16 or 32 would be > better, but you may need more than that depending on how much data you > plan to send and receive. > > You should have seen some warnings when running with the settings you > had if you had LWIP_DEBUG on - see lwip_sanity_check() function in > src/core/init.c It's a good idea to do this when developing to show any > problems you have quickly and easily. > > Thanks > > Kieran > > > > _______________________________________________ > lwip-users mailing list > [email protected] > http://lists.nongnu.org/mailman/listinfo/lwip-users >
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