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https://github.com/DCC-EX/CommandStation-EX.git
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69 lines
2.0 KiB
C
69 lines
2.0 KiB
C
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#ifndef __STM32LWIPOPTS_H__
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#define __STM32LWIPOPTS_H__
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// include this here and then override things we do differnet
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#include "lwipopts_default.h"
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// we can not include our "defines.h" here
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// so we need to duplicate that define
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#define MAX_NUM_TCP_CLIENTS 20
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// increase ARP cache
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#undef MEMP_NUM_APR_QUEUE
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#define MEMP_NUM_ARP_QUEUE MAX_NUM_TCP_CLIENTS+3 // one for each client (all on different HW) and a few extra
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// Example for debug
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//#define LWIP_DEBUG 1
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//#define TCP_DEBUG LWIP_DBG_ON
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// IMPORTANT CHANGE THE FIRST ONE
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#undef MEM_LIBC_MALLOC
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#define MEM_LIBC_MALLOC 1 // critical, fixes heap trashing
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#undef MEMP_MEM_MALLOC
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#define MEMP_MEM_MALLOC 1 // uses malloc which means no pools which means slower but not mean 32KB up front
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#undef MEMP_NUM_TCP_PCB
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#define MEMP_NUM_TCP_PCB MAX_NUM_TCP_CLIENTS+1 // one extra so we can reject number N+1 from our code
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#define MEMP_NUM_TCP_PCB_LISTEN 6
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#undef MEMP_NUM_TCP_SEG
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#define MEMP_NUM_TCP_SEG MAX_NUM_TCP_CLIENTS
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#undef MEMP_NUM_SYS_TIMEOUT
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#define MEMP_NUM_SYS_TIMEOUT MAX_NUM_TCP_CLIENTS+2
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#undef PBUF_POOL_SIZE
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#define PBUF_POOL_SIZE MAX_NUM_TCP_CLIENTS
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#undef LWIO_ICMP
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#define LWIP_ICMP 1
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#undef LWIP_RAW
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#define LWIP_RAW 1 /* PING changed to 1 */
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#undef DEFAULT_RAW_RECVMBOX_SIZE
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#define DEFAULT_RAW_RECVMBOX_SIZE 3 /* for ICMP PING */
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#undef LWIP_DHCP
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#define LWIP_DHCP 1
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#undef LWIP_UDP
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#define LWIP_UDP 1
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/*
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The STM32F4x7 allows computing and verifying the IP, UDP, TCP and ICMP checksums by hardware:
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- To use this feature let the following define uncommented.
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- To disable it and process by CPU comment the the checksum.
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*/
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#if CHECKSUM_GEN_TCP == 1
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#error On STM32 TCP checksum should be in HW
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#endif
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#undef LWIP_IGMP
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#define LWIP_IGMP 1
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//#define SO_REUSE 1
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//#define SO_REUSE_RXTOALL 1
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#endif /* __STM32LWIPOPTS_H__ */
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