add linux board project
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Chen Han
236
board/Linux_Posix/hello_world/inc/lwipopts.h
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236
board/Linux_Posix/hello_world/inc/lwipopts.h
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/**
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******************************************************************************
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* @file lwipopts.h
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* @author MCD Application Team
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* @version V1.1.0
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* @date 31-July-2013
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* @brief lwIP Options Configuration.
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* This file is based on Utilities\lwip_v1.4.1\src\include\lwip\opt.h
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* and contains the lwIP configuration for the STM32F4x7 demonstration.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT 2013 STMicroelectronics</center></h2>
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*
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* Licensed under MCD-ST Liberty SW License Agreement V2, (the "License");
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* You may not use this file except in compliance with the License.
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* You may obtain a copy of the License at:
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*
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* http://www.st.com/software_license_agreement_liberty_v2
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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******************************************************************************
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*/
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#ifndef __LWIPOPTS_H__
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#define __LWIPOPTS_H__
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/**
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* SYS_LIGHTWEIGHT_PROT==1: if you want inter-task protection for certain
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* critical regions during buffer allocation, deallocation and memory
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* allocation and deallocation.
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*/
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#define SYS_LIGHTWEIGHT_PROT 1
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/**
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* NO_SYS==1: Provides VERY minimal functionality. Otherwise,
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* use lwIP facilities.
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*/
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#define NO_SYS 0
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/**
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* NO_SYS_NO_TIMERS==1: Drop support for sys_timeout when NO_SYS==1
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* Mainly for compatibility to old versions.
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*/
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#define NO_SYS_NO_TIMERS 0
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/* ---------- Memory options ---------- */
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/* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
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lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
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byte alignment -> define MEM_ALIGNMENT to 2. */
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#define MEM_ALIGNMENT 4
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/* MEM_SIZE: the size of the heap memory. If the application will send
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a lot of data that needs to be copied, this should be set high. */
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#define MEM_SIZE (5 * 1024)
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/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
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sends a lot of data out of ROM (or other static memory), this
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should be set high. */
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#define MEMP_NUM_PBUF 25
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/* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
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per active UDP "connection". */
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#define MEMP_NUM_UDP_PCB 4
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/* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
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connections. */
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#define MEMP_NUM_TCP_PCB 6
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/* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
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connections. */
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#define MEMP_NUM_TCP_PCB_LISTEN 6
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/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
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segments. */
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#define MEMP_NUM_TCP_SEG 150
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/* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
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timeouts. */
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#define MEMP_NUM_SYS_TIMEOUT 6
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/* ---------- Pbuf options ---------- */
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/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
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#define PBUF_POOL_SIZE 25
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/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
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#define PBUF_POOL_BUFSIZE LWIP_MEM_ALIGN_SIZE(TCP_MSS + 40 + PBUF_LINK_ENCAPSULATION_HLEN + PBUF_LINK_HLEN)
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/* ---------- TCP options ---------- */
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#define LWIP_TCP 1
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#define TCP_TTL 255
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/* Controls if TCP should queue segments that arrive out of
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order. Define to 0 if your device is low on memory. */
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#define TCP_QUEUE_OOSEQ 0
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/* TCP Maximum segment size. */
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#define TCP_MSS (1500 - 40) /* TCP_MSS = (Ethernet MTU - IP header size - TCP header size) */
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/* TCP sender buffer space (bytes). */
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#define TCP_SND_BUF (7 * TCP_MSS)
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/* TCP_SND_QUEUELEN: TCP sender buffer space (pbufs). This must be at least
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as much as (2 * TCP_SND_BUF/TCP_MSS) for things to work. */
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#define TCP_SND_QUEUELEN (8 * TCP_SND_BUF / TCP_MSS)
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/* TCP receive window. */
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#define TCP_WND (9 * TCP_MSS)
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/* ---------- ICMP options ---------- */
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#define LWIP_ICMP 1
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/* ---------- DHCP options ---------- */
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/* Define LWIP_DHCP to 1 if you want DHCP configuration of
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interfaces. DHCP is not implemented in lwIP 0.5.1, however, so
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turning this on does currently not work. */
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#define LWIP_DHCP 1
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/* ---------- UDP options ---------- */
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#define LWIP_UDP 1
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#define UDP_TTL 255
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/* ---------- Statistics options ---------- */
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#define LWIP_STATS 0
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#define LWIP_PROVIDE_ERRNO 1
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/* ---------- link callback options ---------- */
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/* LWIP_NETIF_LINK_CALLBACK==1: Support a callback function from an interface
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* whenever the link changes (i.e., link down)
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*/
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#define LWIP_NETIF_LINK_CALLBACK 0
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/*
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--------------------------------------
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---------- Checksum options ----------
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--------------------------------------
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*/
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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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#define CHECKSUM_BY_HARDWARE
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//#undef CHECKSUM_BY_HARDWARE
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#ifdef CHECKSUM_BY_HARDWARE
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/* CHECKSUM_GEN_IP==0: Generate checksums by hardware for outgoing IP packets.*/
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#define CHECKSUM_GEN_IP 0
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/* CHECKSUM_GEN_UDP==0: Generate checksums by hardware for outgoing UDP packets.*/
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#define CHECKSUM_GEN_UDP 0
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/* CHECKSUM_GEN_TCP==0: Generate checksums by hardware for outgoing TCP packets.*/
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#define CHECKSUM_GEN_TCP 0
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/* CHECKSUM_CHECK_IP==0: Check checksums by hardware for incoming IP packets.*/
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#define CHECKSUM_CHECK_IP 0
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/* CHECKSUM_CHECK_UDP==0: Check checksums by hardware for incoming UDP packets.*/
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#define CHECKSUM_CHECK_UDP 0
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/* CHECKSUM_CHECK_TCP==0: Check checksums by hardware for incoming TCP packets.*/
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#define CHECKSUM_CHECK_TCP 0
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/* CHECKSUM_CHECK_ICMP==0: Check checksums by hardware for incoming ICMP packets.*/
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#define CHECKSUM_GEN_ICMP 0
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#else
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/* CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets.*/
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#define CHECKSUM_GEN_IP 1
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/* CHECKSUM_GEN_UDP==1: Generate checksums in software for outgoing UDP packets.*/
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#define CHECKSUM_GEN_UDP 1
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/* CHECKSUM_GEN_TCP==1: Generate checksums in software for outgoing TCP packets.*/
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#define CHECKSUM_GEN_TCP 1
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/* CHECKSUM_CHECK_IP==1: Check checksums in software for incoming IP packets.*/
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#define CHECKSUM_CHECK_IP 1
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/* CHECKSUM_CHECK_UDP==1: Check checksums in software for incoming UDP packets.*/
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#define CHECKSUM_CHECK_UDP 1
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/* CHECKSUM_CHECK_TCP==1: Check checksums in software for incoming TCP packets.*/
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#define CHECKSUM_CHECK_TCP 1
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/* CHECKSUM_CHECK_ICMP==1: Check checksums by hardware for incoming ICMP packets.*/
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#define CHECKSUM_GEN_ICMP 1
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#endif
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#define LWIP_TCPIP_CORE_LOCKING 1
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/*
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----------------------------------------------
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---------- Sequential layer options ----------
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----------------------------------------------
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*/
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/**
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* LWIP_NETCONN==1: Enable Netconn API (require to use api_lib.c)
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*/
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#define LWIP_NETCONN 1
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/*
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------------------------------------
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---------- Socket options ----------
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------------------------------------
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*/
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/**
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* LWIP_SOCKET==1: Enable Socket API (require to use sockets.c)
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*/
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#define LWIP_SOCKET 1
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/*
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---------------------------------
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---------- OS options ----------
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---------------------------------
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*/
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#define DEFAULT_UDP_RECVMBOX_SIZE 10
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#define DEFAULT_TCP_RECVMBOX_SIZE 10
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#define DEFAULT_ACCEPTMBOX_SIZE 10
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#define DEFAULT_THREAD_STACKSIZE 1024 * 2
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#define TCPIP_THREAD_NAME "lwip"
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#define TCPIP_THREAD_STACKSIZE 1024
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#define TCPIP_MBOX_SIZE 10
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#define TCPIP_THREAD_PRIO 1
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#define LWIP_DNS_API_DECLARE_STRUCTS 1
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#define LWIP_DNS 1
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/** DNS server IP address */
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#ifndef DNS_SERVER_ADDRESS
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#define DNS_SERVER_ADDRESS(ipaddr) (ip4_addr_set_u32(ipaddr, ipaddr_addr("208.67.222.222"))) /* resolver1.opendns.com */
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#endif
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/*
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----------------------------------------
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---------- Lwip Debug options ----------
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----------------------------------------
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*/
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#define LWIP_DEBUG 0
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#define ethernet_with_mac 1
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#endif /* __LWIPOPTS_H__ */
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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