mirror of
https://github.com/DCC-EX/CommandStation-EX.git
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90 lines
2.8 KiB
C
90 lines
2.8 KiB
C
/*
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* © 2024 Harald Barth
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* All rights reserved.
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*
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* This file is part of CommandStation-EX
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*
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* This is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* It is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with CommandStation. If not, see <https://www.gnu.org/licenses/>.
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*/
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//
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// Rewrite of the STM32lwipopts.h file from STM
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// To be copied into where lwipopts_default.h resides
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//
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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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