LwIP
LWIP_NUM_SYS_TIMEOUT_INTERNAL is only used within LwIP.
 
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CodeScopeSTM32 Libraries and SamplesLwIPLWIP_NUM_SYS_TIMEOUT_INTERNAL

LWIP_NUM_SYS_TIMEOUT_INTERNAL macro

The number of sys timeouts used by the core stack (not apps) The default number of timeouts is calculated here for all enabled modules.

Syntax

#define LWIP_NUM_SYS_TIMEOUT_INTERNAL (LWIP_TCP + IP_REASSEMBLY + LWIP_ARP + (2*LWIP_DHCP) + LWIP_AUTOIP + LWIP_IGMP + LWIP_DNS + PPP_NUM_TIMEOUTS + (LWIP_IPV6 * (1 + LWIP_IPV6_REASS + LWIP_IPV6_MLD)))

References

LocationText
opt.h:508
#define LWIP_NUM_SYS_TIMEOUT_INTERNAL (LWIP_TCP + IP_REASSEMBLY + LWIP_ARP + (2*LWIP_DHCP) + LWIP_AUTOIP + LWIP_IGMP + LWIP_DNS + PPP_NUM_TIMEOUTS + (LWIP_IPV6 * (1 + LWIP_IPV6_REASS + LWIP_IPV6_MLD)))
init.c:129
#if LWIP_TIMERS && (MEMP_NUM_SYS_TIMEOUT < LWIP_NUM_SYS_TIMEOUT_INTERNAL)