Hello Nishen, To run lwip without an OS you need to define NO_SYS 1 and to define few things in the sys arch. The following example works for my hardware without OS and using PPP (a modified version). (Iam using the RAW API in the application).
Rémy ----- Original Message ----- From: "Nishen Naidu" <[EMAIL PROTECTED]> To: "Mailing list for lwIP users" <[email protected]> Sent: Wednesday, December 21, 2005 8:07 AM Subject: [lwip-users] lwip without operating system > Hi guys, > > What is needed to run lwip without an operating system. > i.e. What must the lwipopts.h file look like? Anyone got > a sample for one without an operating system. > Must NO_SYS be defined? > What must go into sys_arch? > Anything else must be done or any general tips when implementing it? > > Thanks > Nishen > > > > _______________________________________________ > lwip-users mailing list > [email protected] > http://lists.nongnu.org/mailman/listinfo/lwip-users >
/* * Copyright (c) 2001-2003 Swedish Institute of Computer Science. * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY * OF SUCH DAMAGE. * * This file is part of the lwIP TCP/IP stack. * * Author: Adam Dunkels <[EMAIL PROTECTED]> * */ #ifndef __LWIPOPTS_H__ #define __LWIPOPTS_H__ #define DBG_MIN_LEVEL 0 #define LWIP_COMPAT_SOCKETS 1 #define TAPIF_DEBUG DBG_ON #define TUNIF_DEBUG DBG_OFF #define UNIXIF_DEBUG DBG_OFF #define DELIF_DEBUG DBG_OFF #define SIO_FIFO_DEBUG DBG_OFF #define TCPDUMP_DEBUG DBG_ON #define PPP_DEBUG DBG_ON #ifdef LWIP_DEBUG /*#define MEM_DEBUG DBG_ON #define MEMP_DEBUG DBG_ON #define PBUF_DEBUG DBG_ON #define API_LIB_DEBUG DBG_ON #define API_MSG_DEBUG DBG_ON */ #define TCPIP_DEBUG DBG_ON #define NETIF_DEBUG DBG_ON #define SOCKETS_DEBUG DBG_ON #define DEMO_DEBUG DBG_ON #define IP_DEBUG DBG_ON #define IP_REASS_DEBUG DBG_ON #define ICMP_DEBUG DBG_ON #define UDP_DEBUG DBG_ON //#define TCP_DEBUG DBG_ON #define TCP_INPUT_DEBUG DBG_ON #define TCP_OUTPUT_DEBUG DBG_ON /*#define TCP_RTO_DEBUG DBG_ON #define TCP_CWND_DEBUG DBG_ON #define TCP_WND_DEBUG DBG_ON #define TCP_FR_DEBUG DBG_ON #define TCP_QLEN_DEBUG DBG_ON #define TCP_RST_DEBUG DBG_ON*/ #define ETHARP_DEBUG DBG_ON #define NETIF_DEBUG DBG_ON #endif #define DBG_TYPES_ON (DBG_ON|DBG_TRACE|DBG_STATE|DBG_FRESH|DBG_HALT) #define NO_SYS 1 /* ---------- Memory options ---------- */ /* MEM_ALIGNMENT: should be set to the alignment of the CPU for which lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2 byte alignment -> define MEM_ALIGNMENT to 2. */ #define MEM_ALIGNMENT 1 /* MEM_SIZE: the size of the heap memory. If the application will send a lot of data that needs to be copied, this should be set high. */ #define MEM_SIZE 10240 /* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application sends a lot of data out of ROM (or other static memory), this should be set high. */ #define MEMP_NUM_PBUF 16 /* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One per active UDP "connection". */ #define MEMP_NUM_UDP_PCB 4 /* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP connections. */ #define MEMP_NUM_TCP_PCB 5 /* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP connections. */ #define MEMP_NUM_TCP_PCB_LISTEN 8 /* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP segments. */ #define MEMP_NUM_TCP_SEG 16 /* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active timeouts. */ #define MEMP_NUM_SYS_TIMEOUT 3 /* The following four are used only with the sequential API and can be set to 0 if the application only will use the raw API. */ /* MEMP_NUM_NETBUF: the number of struct netbufs. */ #define MEMP_NUM_NETBUF 2 /* MEMP_NUM_NETCONN: the number of struct netconns. */ #define MEMP_NUM_NETCONN 10 /* MEMP_NUM_APIMSG: the number of struct api_msg, used for communication between the TCP/IP stack and the sequential programs. */ #define MEMP_NUM_API_MSG 16 /* MEMP_NUM_TCPIPMSG: the number of struct tcpip_msg, which is used for sequential API communication and incoming packets. Used in src/api/tcpip.c. */ #define MEMP_NUM_TCPIP_MSG 16 /* ---------- Pbuf options ---------- */ /* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */ #define PBUF_POOL_SIZE 100 /* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */ #define PBUF_POOL_BUFSIZE 128 /* PBUF_LINK_HLEN: the number of bytes that should be allocated for a link level header. */ #define PBUF_LINK_HLEN 16 /** SYS_LIGHTWEIGHT_PROT * define SYS_LIGHTWEIGHT_PROT in lwipopts.h if you want inter-task protection * for certain critical regions during buffer allocation, deallocation and memory * allocation and deallocation. */ /*#define SYS_LIGHTWEIGHT_PROT 1*/ #define LWIP_PREFIX_BYTEORDER_FUNCS 1 /* ---------- TCP options ---------- */ #define LWIP_TCP 1 #define TCP_TTL 255 /* Controls if TCP should queue segments that arrive out of order. Define to 0 if your device is low on memory. */ #define TCP_QUEUE_OOSEQ 1 /* TCP Maximum segment size. */ #define TCP_MSS 1514 /* TCP sender buffer space (bytes). */ #define TCP_SND_BUF 2048 /* TCP sender buffer space (pbufs). This must be at least = 2 * TCP_SND_BUF/TCP_MSS for things to work. */ #define TCP_SND_QUEUELEN 4 * TCP_SND_BUF/TCP_MSS /* TCP writable space (bytes). This must be less than or equal to TCP_SND_BUF. It is the amount of space which must be available in the tcp snd_buf for select to return writable */ #define TCP_SNDLOWAT (TCP_SND_BUF/2) /* TCP receive window. */ #define TCP_WND 20480 /* Maximum number of retransmissions of data segments. */ #define TCP_MAXRTX 12 /* Maximum number of retransmissions of SYN segments. */ #define TCP_SYNMAXRTX 4 /* ---------- ARP options ---------- */ #define ARP_TABLE_SIZE 10 #define ARP_QUEUEING 1 /* ---------- IP options ---------- */ /* Define IP_FORWARD to 1 if you wish to have the ability to forward IP packets across network interfaces. If you are going to run lwIP on a device with only one network interface, define this to 0. */ #define IP_FORWARD 0 /* IP reassembly and segmentation.These are orthogonal even * if they both deal with IP fragments */ #define IP_REASSEMBLY 1 #define IP_FRAG 1 /* ---------- ICMP options ---------- */ #define ICMP_TTL 255 /* ---------- DHCP options ---------- */ /* Define LWIP_DHCP to 1 if you want DHCP configuration of interfaces. DHCP is not implemented in lwIP 0.5.1, however, so turning this on does currently not work. */ #define LWIP_DHCP 0 /* 1 if you want to do an ARP check on the offered address (recommended). */ #define DHCP_DOES_ARP_CHECK 1 /* ---------- UDP options ---------- */ #define LWIP_UDP 1 #define UDP_TTL 255 /* ---------- Statistics options ---------- */ #ifdef LWIP_STATS #define LINK_STATS #define IP_STATS #define ICMP_STATS #define UDP_STATS #define TCP_STATS #define MEM_STATS #define MEMP_STATS #define PBUF_STATS #define SYS_STATS #endif /* LWIP_STATS */ /* ---------- PPP options ---------- */ #define PPP_SUPPORT 1 /* Set > 0 for PPP */ #if PPP_SUPPORT > 0 #define NUM_PPP 1 /* Max PPP sessions. */ /* Select modules to enable. Ideally these would be set in the makefile but * we're limited by the command line length so you need to modify the settings * in this file. */ #define PAP_SUPPORT 1 /* Set > 0 for PAP. */ #define CHAP_SUPPORT 1 /* Set > 0 for CHAP. */ #define MSCHAP_SUPPORT 0 /* Set > 0 for MSCHAP (NOT FUNCTIONAL!) */ #define CBCP_SUPPORT 0 /* Set > 0 for CBCP (NOT FUNCTIONAL!) */ #define CCP_SUPPORT 0 /* Set > 0 for CCP (NOT FUNCTIONAL!) */ #define VJ_SUPPORT 0 /* Set > 0 for VJ header compression. */ #define MD5_SUPPORT 1 /* Set > 0 for MD5 (see also CHAP) */ /* * Timeouts. */ #define FSM_DEFTIMEOUT 6 /* Timeout time in seconds */ #define FSM_DEFMAXTERMREQS 2 /* Maximum Terminate-Request transmissions */ #define FSM_DEFMAXCONFREQS 10 /* Maximum Configure-Request transmissions */ #define FSM_DEFMAXNAKLOOPS 5 /* Maximum number of nak loops */ #define UPAP_DEFTIMEOUT 6 /* Timeout (seconds) for retransmitting req */ #define UPAP_DEFREQTIME 30 /* Time to wait for auth-req from peer */ #define CHAP_DEFTIMEOUT 6 /* Timeout time in seconds */ #define CHAP_DEFTRANSMITS 10 /* max # times to send challenge */ /* Interval in seconds between keepalive echo requests, 0 to disable. */ #if 1 #define LCP_ECHOINTERVAL 0 #else #define LCP_ECHOINTERVAL 10 #endif /* Max Xmit idle time (in jiffies) before resend flag char. */ #define PPP_MAXIDLEFLAG 100 /* * Packet sizes * * Note - lcp shouldn't be allowed to negotiate stuff outside these * limits. See lcp.h in the pppd directory. * (XXX - these constants should simply be shared by lcp.c instead * of living in lcp.h) */ #define PPP_MTU 1500 /* Default MTU (size of Info field) */ #if 0 #define PPP_MAXMTU 65535 - (PPP_HDRLEN + PPP_FCSLEN) #else #define PPP_MAXMTU 1500 /* Largest MTU we allow */ #endif #define PPP_MINMTU 64 #define PPP_MRU 1500 /* default MRU = max length of info field */ #define PPP_MAXMRU 1500 /* Largest MRU we allow */ #define PPP_DEFMRU 296 /* Try for this */ #define PPP_MINMRU 128 /* No MRUs below this */ #define MAXNAMELEN 256 /* max length of hostname or name for auth */ #define MAXSECRETLEN 256 /* max length of password or secret */ #endif /* PPP_SUPPORT > 0 */ #endif /* __LWIPOPTS_H__ */
/* * Copyright (c) 2001-2003 Swedish Institute of Computer Science. * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY * OF SUCH DAMAGE. * * This file is part of the lwIP TCP/IP stack. * * Author: Adam Dunkels <[EMAIL PROTECTED]> * */ #ifndef __ARCH_CC_H__ #define __ARCH_CC_H__ /* Include some files for defining library routines */ #include "hal_core.h" #include <string.h> #include <ctype.h> /* Define platform endianness */ #ifndef BYTE_ORDER #define BYTE_ORDER LITTLE_ENDIAN #endif /* BYTE_ORDER */ /* Define generic types used in lwIP */ typedef TU1 u8_t; typedef TS1 s8_t; typedef TU2 u16_t; typedef TS2 s16_t; typedef TU4 u32_t; typedef TS4 s32_t; /* Type def for PPP */ typedef TU4 u_long; typedef TU4 u_int; typedef TU2 u_short; typedef TU1 u_char; typedef u32_t mem_ptr_t; /* Compiler hints for packing structures */ #define PACK_STRUCT_FIELD(x) x #define PACK_STRUCT_STRUCT #define PACK_STRUCT_USE_INCLUDES /* Plaform specific diagnostic output */ #define LWIP_PLATFORM_DIAG(x) HAL_TRACE(x) #define LWIP_PLATFORM_ASSERT(x) MD_ASSERT(x) #endif /* __ARCH_CC_H__ */
/* * Copyright (c) 2001-2003 Swedish Institute of Computer Science. * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY * OF SUCH DAMAGE. * * This file is part of the lwIP TCP/IP stack. * * Author: Adam Dunkels <[EMAIL PROTECTED]> * */ #ifndef __ARCH_SYS_ARCH_H__ #define __ARCH_SYS_ARCH_H__ #define SYS_MBOX_NULL NULL #define SYS_SEM_NULL NULL struct sys_sem; typedef struct sys_sem * sys_sem_t; struct sys_mbox; typedef struct sys_mbox *sys_mbox_t; struct sys_thread; typedef struct sys_thread * sys_thread_t; #endif /* __ARCH_SYS_ARCH_H__ */
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