![](/media/cache/profiles/3f4243a6f681f2920ac3e95a63517274.50x50_q85.jpg)
code that uses Watchdog to reset Mbed every 30seconds. After 30-60mins, the ethernet interface fails to setup() after WatchDog reset.
EthernetNetIf/LPC1768/lwip/include/lwip/mem.h
- Committer:
- eqon
- Date:
- 2012-06-07
- Revision:
- 0:0ce833f21e63
File content as of revision 0:0ce833f21e63:
/* * Copyright (c) 2001-2004 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 <adam@sics.se> * */ #ifndef __LWIP_MEM_H__ #define __LWIP_MEM_H__ #include "lwip/opt.h" #ifdef __cplusplus extern "C" { #endif #if MEM_LIBC_MALLOC #include <stddef.h> /* for size_t */ typedef size_t mem_size_t; /* aliases for C library malloc() */ #define mem_init() /* in case C library malloc() needs extra protection, * allow these defines to be overridden. */ #ifndef mem_free #define mem_free free #endif #ifndef mem_malloc #define mem_malloc malloc #endif #ifndef mem_calloc #define mem_calloc calloc #endif /* Since there is no C library allocation function to shrink memory without moving it, define this to nothing. */ #ifndef mem_trim #define mem_trim(mem, size) (mem) #endif #else /* MEM_LIBC_MALLOC */ /* MEM_SIZE would have to be aligned, but using 64000 here instead of * 65535 leaves some room for alignment... */ #if MEM_SIZE > 64000l typedef u32_t mem_size_t; #define MEM_SIZE_F U32_F #else typedef u16_t mem_size_t; #define MEM_SIZE_F U16_F #endif /* MEM_SIZE > 64000 */ #if MEM_USE_POOLS /** mem_init is not used when using pools instead of a heap */ #define mem_init() /** mem_trim is not used when using pools instead of a heap: we can't free part of a pool element and don't want to copy the rest */ #define mem_trim(mem, size) (mem) #else /* MEM_USE_POOLS */ /* lwIP alternative malloc */ void mem_init(void); void *mem_trim(void *mem, mem_size_t size); #endif /* MEM_USE_POOLS */ void *mem_malloc(mem_size_t size); void *mem_calloc(mem_size_t count, mem_size_t size); void mem_free(void *mem); #endif /* MEM_LIBC_MALLOC */ /** Calculate memory size for an aligned buffer - returns the next highest * multiple of MEM_ALIGNMENT (e.g. LWIP_MEM_ALIGN_SIZE(3) and * LWIP_MEM_ALIGN_SIZE(4) will both yield 4 for MEM_ALIGNMENT == 4). */ #ifndef LWIP_MEM_ALIGN_SIZE #define LWIP_MEM_ALIGN_SIZE(size) (((size) + MEM_ALIGNMENT - 1) & ~(MEM_ALIGNMENT-1)) #endif /** Calculate safe memory size for an aligned buffer when using an unaligned * type as storage. This includes a safety-margin on (MEM_ALIGNMENT - 1) at the * start (e.g. if buffer is u8_t[] and actual data will be u32_t*) */ #ifndef LWIP_MEM_ALIGN_BUFFER #define LWIP_MEM_ALIGN_BUFFER(size) (((size) + MEM_ALIGNMENT - 1)) #endif /** Align a memory pointer to the alignment defined by MEM_ALIGNMENT * so that ADDR % MEM_ALIGNMENT == 0 */ #ifndef LWIP_MEM_ALIGN #define LWIP_MEM_ALIGN(addr) ((void *)(((mem_ptr_t)(addr) + MEM_ALIGNMENT - 1) & ~(mem_ptr_t)(MEM_ALIGNMENT-1))) #endif #ifdef __cplusplus } #endif #endif /* __LWIP_MEM_H__ */