Hi, there is a sanity check in init.c
#if (LWIP_UDP && (MEMP_NUM_UDP_PCB<=0)) #error "If you want to use UDP, you have to define MEMP_NUM_UDP_PCB>=1 in your lwipopts.h" #endif #if (LWIP_TCP && (MEMP_NUM_TCP_PCB<=0)) #error "If you want to use TCP, you have to define MEMP_NUM_TCP_PCB>=1 in your lwipopts.h" #endif /* There must be sufficient timeouts, taking into account requirements of the subsystems. */ #if ((NO_SYS==0) && (MEMP_NUM_SYS_TIMEOUT < (LWIP_TCP + IP_REASSEMBLY + LWIP_ARP + (2*LWIP_DHCP) + LWIP_AUTOIP + LWIP_IGMP + LWIP_DNS + PPP_SUPPORT))) #error "MEMP_NUM_SYS_TIMEOUT is too low to accomodate all required timeouts" #endif etc. I will try to find if these values have effect. Martin On 1 March 2010 10:45, Kieran Mansley <kie...@recoil.org> wrote: > On Sun, 2010-02-28 at 13:16 +0100, Martin Velek wrote: >> Hello, >> >> I am running a lwip 1.3.2 with FreeRTOS. I am using own >> malloc/free/calloc/realloc memory management. What should I setup in >> the lwipopts.h if I would like use only malloc/free... functions for >> pbuf's, internal sturctures (arp tables?) and OS support? >> >> Currently I have: >> >> #define SYS_LIGHTWEIGHT_PROT 1 >> #define NO_SYS 0 >> >> #include <stdlib.h> // there are undeclared referneces to free... >> #define MEM_LIBC_MALLOC 1 >> #define MEMP_MEM_MALLOC 1 >> #define MEM_USE_POOLS 0 >> >> Can I do not care about PBUF_POOL_SIZE, > > As you've set MEMP_MEM_MALLOC to 1 you will be using malloc instead of > memp_malloc, and so the PBUF_POOL_SIZE is irrelevant. > >> MEM_SIZE, > > This would normally specify the heap size used for mem_malloc, so you > don't need it. You might want to check that mem_init isn't called to > avoid wasting memory. > >> MEMP_NUM_PBUF, >> MEMP_NUM_NETBUF, etc? > > As you've defined MEMP_MEM_MALLOC to 1 the other MEMP_ values are all > unused I think. You should probably still set them to zero rather than > undefined though. > > If you have problems with any of this let us know as the dependencies > are complex and it wouldn't surprise me if there was a mistake > somewhere. > > Kieran > > > > _______________________________________________ > lwip-users mailing list > lwip-users@nongnu.org > http://lists.nongnu.org/mailman/listinfo/lwip-users > _______________________________________________ lwip-users mailing list lwip-users@nongnu.org http://lists.nongnu.org/mailman/listinfo/lwip-users
