ethnetWatchDog - code that uses Watchdog to reset Mbed every 30sec…

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Egon V / Mbed 2 deprecated ethnetWatchDog

code that uses Watchdog to reset Mbed every 30seconds. After 30-60mins, the ethernet interface fails to setup() after WatchDog reset.

Dependencies: mbed

EthernetNetIf/LPC1768/lwip/include/lwip/tcpip.h@0:0ce833f21e63, 2012-06-07 (annotated)

Committer:: eqon
Date:: Thu Jun 07 05:44:29 2012 +0000
Revision:: 0:0ce833f21e63

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User	Revision	Line number	New contents of line
eqon	0:0ce833f21e63	1	/*
eqon	0:0ce833f21e63	2	* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
eqon	0:0ce833f21e63	3	* All rights reserved.
eqon	0:0ce833f21e63	4	*
eqon	0:0ce833f21e63	5	* Redistribution and use in source and binary forms, with or without modification,
eqon	0:0ce833f21e63	6	* are permitted provided that the following conditions are met:
eqon	0:0ce833f21e63	7	*
eqon	0:0ce833f21e63	8	* 1. Redistributions of source code must retain the above copyright notice,
eqon	0:0ce833f21e63	9	* this list of conditions and the following disclaimer.
eqon	0:0ce833f21e63	10	* 2. Redistributions in binary form must reproduce the above copyright notice,
eqon	0:0ce833f21e63	11	* this list of conditions and the following disclaimer in the documentation
eqon	0:0ce833f21e63	12	* and/or other materials provided with the distribution.
eqon	0:0ce833f21e63	13	* 3. The name of the author may not be used to endorse or promote products
eqon	0:0ce833f21e63	14	* derived from this software without specific prior written permission.
eqon	0:0ce833f21e63	15	*
eqon	0:0ce833f21e63	16	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
eqon	0:0ce833f21e63	17	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
eqon	0:0ce833f21e63	18	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
eqon	0:0ce833f21e63	19	* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
eqon	0:0ce833f21e63	20	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
eqon	0:0ce833f21e63	21	* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
eqon	0:0ce833f21e63	22	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
eqon	0:0ce833f21e63	23	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
eqon	0:0ce833f21e63	24	* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
eqon	0:0ce833f21e63	25	* OF SUCH DAMAGE.
eqon	0:0ce833f21e63	26	*
eqon	0:0ce833f21e63	27	* This file is part of the lwIP TCP/IP stack.
eqon	0:0ce833f21e63	28	*
eqon	0:0ce833f21e63	29	* Author: Adam Dunkels <adam@sics.se>
eqon	0:0ce833f21e63	30	*
eqon	0:0ce833f21e63	31	*/
eqon	0:0ce833f21e63	32	#ifndef __LWIP_TCPIP_H__
eqon	0:0ce833f21e63	33	#define __LWIP_TCPIP_H__
eqon	0:0ce833f21e63	34
eqon	0:0ce833f21e63	35	#include "lwip/opt.h"
eqon	0:0ce833f21e63	36
eqon	0:0ce833f21e63	37	#if !NO_SYS /* don't build if not configured for use in lwipopts.h */
eqon	0:0ce833f21e63	38
eqon	0:0ce833f21e63	39	#include "lwip/api_msg.h"
eqon	0:0ce833f21e63	40	#include "lwip/netifapi.h"
eqon	0:0ce833f21e63	41	#include "lwip/pbuf.h"
eqon	0:0ce833f21e63	42	#include "lwip/api.h"
eqon	0:0ce833f21e63	43	#include "lwip/sys.h"
eqon	0:0ce833f21e63	44	#include "lwip/timers.h"
eqon	0:0ce833f21e63	45	#include "lwip/netif.h"
eqon	0:0ce833f21e63	46
eqon	0:0ce833f21e63	47	#ifdef __cplusplus
eqon	0:0ce833f21e63	48	extern "C" {
eqon	0:0ce833f21e63	49	#endif
eqon	0:0ce833f21e63	50
eqon	0:0ce833f21e63	51	/** Define this to something that triggers a watchdog. This is called from
eqon	0:0ce833f21e63	52	* tcpip_thread after processing a message. */
eqon	0:0ce833f21e63	53	#ifndef LWIP_TCPIP_THREAD_ALIVE
eqon	0:0ce833f21e63	54	#define LWIP_TCPIP_THREAD_ALIVE()
eqon	0:0ce833f21e63	55	#endif
eqon	0:0ce833f21e63	56
eqon	0:0ce833f21e63	57	#if LWIP_TCPIP_CORE_LOCKING
eqon	0:0ce833f21e63	58	/** The global semaphore to lock the stack. */
eqon	0:0ce833f21e63	59	extern sys_mutex_t lock_tcpip_core;
eqon	0:0ce833f21e63	60	#define LOCK_TCPIP_CORE() sys_mutex_lock(&lock_tcpip_core)
eqon	0:0ce833f21e63	61	#define UNLOCK_TCPIP_CORE() sys_mutex_unlock(&lock_tcpip_core)
eqon	0:0ce833f21e63	62	#define TCPIP_APIMSG(m) tcpip_apimsg_lock(m)
eqon	0:0ce833f21e63	63	#define TCPIP_APIMSG_ACK(m)
eqon	0:0ce833f21e63	64	#define TCPIP_NETIFAPI(m) tcpip_netifapi_lock(m)
eqon	0:0ce833f21e63	65	#define TCPIP_NETIFAPI_ACK(m)
eqon	0:0ce833f21e63	66	#else /* LWIP_TCPIP_CORE_LOCKING */
eqon	0:0ce833f21e63	67	#define LOCK_TCPIP_CORE()
eqon	0:0ce833f21e63	68	#define UNLOCK_TCPIP_CORE()
eqon	0:0ce833f21e63	69	#define TCPIP_APIMSG(m) tcpip_apimsg(m)
eqon	0:0ce833f21e63	70	#define TCPIP_APIMSG_ACK(m) sys_sem_signal(&m->conn->op_completed)
eqon	0:0ce833f21e63	71	#define TCPIP_NETIFAPI(m) tcpip_netifapi(m)
eqon	0:0ce833f21e63	72	#define TCPIP_NETIFAPI_ACK(m) sys_sem_signal(&m->sem)
eqon	0:0ce833f21e63	73	#endif /* LWIP_TCPIP_CORE_LOCKING */
eqon	0:0ce833f21e63	74
eqon	0:0ce833f21e63	75	/** Function prototype for the init_done function passed to tcpip_init */
eqon	0:0ce833f21e63	76	typedef void (tcpip_init_done_fn)(void arg);
eqon	0:0ce833f21e63	77	/** Function prototype for functions passed to tcpip_callback() */
eqon	0:0ce833f21e63	78	typedef void (tcpip_callback_fn)(void ctx);
eqon	0:0ce833f21e63	79
eqon	0:0ce833f21e63	80	void tcpip_init(tcpip_init_done_fn tcpip_init_done, void *arg);
eqon	0:0ce833f21e63	81
eqon	0:0ce833f21e63	82	#if LWIP_NETCONN
eqon	0:0ce833f21e63	83	err_t tcpip_apimsg(struct api_msg *apimsg);
eqon	0:0ce833f21e63	84	#if LWIP_TCPIP_CORE_LOCKING
eqon	0:0ce833f21e63	85	err_t tcpip_apimsg_lock(struct api_msg *apimsg);
eqon	0:0ce833f21e63	86	#endif /* LWIP_TCPIP_CORE_LOCKING */
eqon	0:0ce833f21e63	87	#endif /* LWIP_NETCONN */
eqon	0:0ce833f21e63	88
eqon	0:0ce833f21e63	89	err_t tcpip_input(struct pbuf p, struct netif inp);
eqon	0:0ce833f21e63	90
eqon	0:0ce833f21e63	91	#if LWIP_NETIF_API
eqon	0:0ce833f21e63	92	err_t tcpip_netifapi(struct netifapi_msg *netifapimsg);
eqon	0:0ce833f21e63	93	#if LWIP_TCPIP_CORE_LOCKING
eqon	0:0ce833f21e63	94	err_t tcpip_netifapi_lock(struct netifapi_msg *netifapimsg);
eqon	0:0ce833f21e63	95	#endif /* LWIP_TCPIP_CORE_LOCKING */
eqon	0:0ce833f21e63	96	#endif /* LWIP_NETIF_API */
eqon	0:0ce833f21e63	97
eqon	0:0ce833f21e63	98	err_t tcpip_callback_with_block(tcpip_callback_fn function, void *ctx, u8_t block);
eqon	0:0ce833f21e63	99	#define tcpip_callback(f, ctx) tcpip_callback_with_block(f, ctx, 1)
eqon	0:0ce833f21e63	100
eqon	0:0ce833f21e63	101	/* free pbufs or heap memory from another context without blocking */
eqon	0:0ce833f21e63	102	err_t pbuf_free_callback(struct pbuf *p);
eqon	0:0ce833f21e63	103	err_t mem_free_callback(void *m);
eqon	0:0ce833f21e63	104
eqon	0:0ce833f21e63	105	#if LWIP_TCPIP_TIMEOUT
eqon	0:0ce833f21e63	106	err_t tcpip_timeout(u32_t msecs, sys_timeout_handler h, void *arg);
eqon	0:0ce833f21e63	107	err_t tcpip_untimeout(sys_timeout_handler h, void *arg);
eqon	0:0ce833f21e63	108	#endif /* LWIP_TCPIP_TIMEOUT */
eqon	0:0ce833f21e63	109
eqon	0:0ce833f21e63	110	enum tcpip_msg_type {
eqon	0:0ce833f21e63	111	#if LWIP_NETCONN
eqon	0:0ce833f21e63	112	TCPIP_MSG_API,
eqon	0:0ce833f21e63	113	#endif /* LWIP_NETCONN */
eqon	0:0ce833f21e63	114	TCPIP_MSG_INPKT,
eqon	0:0ce833f21e63	115	#if LWIP_NETIF_API
eqon	0:0ce833f21e63	116	TCPIP_MSG_NETIFAPI,
eqon	0:0ce833f21e63	117	#endif /* LWIP_NETIF_API */
eqon	0:0ce833f21e63	118	#if LWIP_TCPIP_TIMEOUT
eqon	0:0ce833f21e63	119	TCPIP_MSG_TIMEOUT,
eqon	0:0ce833f21e63	120	TCPIP_MSG_UNTIMEOUT,
eqon	0:0ce833f21e63	121	#endif /* LWIP_TCPIP_TIMEOUT */
eqon	0:0ce833f21e63	122	TCPIP_MSG_CALLBACK
eqon	0:0ce833f21e63	123	};
eqon	0:0ce833f21e63	124
eqon	0:0ce833f21e63	125	struct tcpip_msg {
eqon	0:0ce833f21e63	126	enum tcpip_msg_type type;
eqon	0:0ce833f21e63	127	sys_sem_t *sem;
eqon	0:0ce833f21e63	128	union {
eqon	0:0ce833f21e63	129	#if LWIP_NETCONN
eqon	0:0ce833f21e63	130	struct api_msg *apimsg;
eqon	0:0ce833f21e63	131	#endif /* LWIP_NETCONN */
eqon	0:0ce833f21e63	132	#if LWIP_NETIF_API
eqon	0:0ce833f21e63	133	struct netifapi_msg *netifapimsg;
eqon	0:0ce833f21e63	134	#endif /* LWIP_NETIF_API */
eqon	0:0ce833f21e63	135	struct {
eqon	0:0ce833f21e63	136	struct pbuf *p;
eqon	0:0ce833f21e63	137	struct netif *netif;
eqon	0:0ce833f21e63	138	} inp;
eqon	0:0ce833f21e63	139	struct {
eqon	0:0ce833f21e63	140	tcpip_callback_fn function;
eqon	0:0ce833f21e63	141	void *ctx;
eqon	0:0ce833f21e63	142	} cb;
eqon	0:0ce833f21e63	143	#if LWIP_TCPIP_TIMEOUT
eqon	0:0ce833f21e63	144	struct {
eqon	0:0ce833f21e63	145	u32_t msecs;
eqon	0:0ce833f21e63	146	sys_timeout_handler h;
eqon	0:0ce833f21e63	147	void *arg;
eqon	0:0ce833f21e63	148	} tmo;
eqon	0:0ce833f21e63	149	#endif /* LWIP_TCPIP_TIMEOUT */
eqon	0:0ce833f21e63	150	} msg;
eqon	0:0ce833f21e63	151	};
eqon	0:0ce833f21e63	152
eqon	0:0ce833f21e63	153	#ifdef __cplusplus
eqon	0:0ce833f21e63	154	}
eqon	0:0ce833f21e63	155	#endif
eqon	0:0ce833f21e63	156
eqon	0:0ce833f21e63	157	#endif /* !NO_SYS */
eqon	0:0ce833f21e63	158
eqon	0:0ce833f21e63	159	#endif /* __LWIP_TCPIP_H__ */

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	07 Jun 2012
Imports:	18
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	2

EthernetNetIf/LPC1768/lwip/include/lwip/tcpip.h@0:0ce833f21e63, 2012-06-07 (annotated)

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