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Adam Green / Mbed 2 deprecated WeatherStation

Web server based weather station using Sparkfun Weather Meters.

Dependencies: FatFileSystem mbed WeatherMeters SDFileSystem

NetStack/lwip/include/lwip/mem.h@0:616601bde9fb, 2012-02-23 (annotated)

Committer:: AdamGreen
Date:: Thu Feb 23 21:38:39 2012 +0000
Revision:: 0:616601bde9fb

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User	Revision	Line number	New contents of line
AdamGreen	0:616601bde9fb	1	/*
AdamGreen	0:616601bde9fb	2	* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
AdamGreen	0:616601bde9fb	3	* All rights reserved.
AdamGreen	0:616601bde9fb	4	*
AdamGreen	0:616601bde9fb	5	* Redistribution and use in source and binary forms, with or without modification,
AdamGreen	0:616601bde9fb	6	* are permitted provided that the following conditions are met:
AdamGreen	0:616601bde9fb	7	*
AdamGreen	0:616601bde9fb	8	* 1. Redistributions of source code must retain the above copyright notice,
AdamGreen	0:616601bde9fb	9	* this list of conditions and the following disclaimer.
AdamGreen	0:616601bde9fb	10	* 2. Redistributions in binary form must reproduce the above copyright notice,
AdamGreen	0:616601bde9fb	11	* this list of conditions and the following disclaimer in the documentation
AdamGreen	0:616601bde9fb	12	* and/or other materials provided with the distribution.
AdamGreen	0:616601bde9fb	13	* 3. The name of the author may not be used to endorse or promote products
AdamGreen	0:616601bde9fb	14	* derived from this software without specific prior written permission.
AdamGreen	0:616601bde9fb	15	*
AdamGreen	0:616601bde9fb	16	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
AdamGreen	0:616601bde9fb	17	* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
AdamGreen	0:616601bde9fb	18	* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
AdamGreen	0:616601bde9fb	19	* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
AdamGreen	0:616601bde9fb	20	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
AdamGreen	0:616601bde9fb	21	* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
AdamGreen	0:616601bde9fb	22	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
AdamGreen	0:616601bde9fb	23	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
AdamGreen	0:616601bde9fb	24	* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
AdamGreen	0:616601bde9fb	25	* OF SUCH DAMAGE.
AdamGreen	0:616601bde9fb	26	*
AdamGreen	0:616601bde9fb	27	* This file is part of the lwIP TCP/IP stack.
AdamGreen	0:616601bde9fb	28	*
AdamGreen	0:616601bde9fb	29	* Author: Adam Dunkels <adam@sics.se>
AdamGreen	0:616601bde9fb	30	*
AdamGreen	0:616601bde9fb	31	*/
AdamGreen	0:616601bde9fb	32	#ifndef __LWIP_MEM_H__
AdamGreen	0:616601bde9fb	33	#define __LWIP_MEM_H__
AdamGreen	0:616601bde9fb	34
AdamGreen	0:616601bde9fb	35	#include "lwip/opt.h"
AdamGreen	0:616601bde9fb	36
AdamGreen	0:616601bde9fb	37	#ifdef __cplusplus
AdamGreen	0:616601bde9fb	38	extern "C" {
AdamGreen	0:616601bde9fb	39	#endif
AdamGreen	0:616601bde9fb	40
AdamGreen	0:616601bde9fb	41	#if MEM_LIBC_MALLOC
AdamGreen	0:616601bde9fb	42
AdamGreen	0:616601bde9fb	43	#include <stddef.h> /* for size_t */
AdamGreen	0:616601bde9fb	44
AdamGreen	0:616601bde9fb	45	typedef size_t mem_size_t;
AdamGreen	0:616601bde9fb	46
AdamGreen	0:616601bde9fb	47	/* aliases for C library malloc() */
AdamGreen	0:616601bde9fb	48	#define mem_init()
AdamGreen	0:616601bde9fb	49	/* in case C library malloc() needs extra protection,
AdamGreen	0:616601bde9fb	50	* allow these defines to be overridden.
AdamGreen	0:616601bde9fb	51	*/
AdamGreen	0:616601bde9fb	52	#ifndef mem_free
AdamGreen	0:616601bde9fb	53	#define mem_free free
AdamGreen	0:616601bde9fb	54	#endif
AdamGreen	0:616601bde9fb	55	#ifndef mem_malloc
AdamGreen	0:616601bde9fb	56	#define mem_malloc malloc
AdamGreen	0:616601bde9fb	57	#endif
AdamGreen	0:616601bde9fb	58	#ifndef mem_calloc
AdamGreen	0:616601bde9fb	59	#define mem_calloc calloc
AdamGreen	0:616601bde9fb	60	#endif
AdamGreen	0:616601bde9fb	61	/* Since there is no C library allocation function to shrink memory without
AdamGreen	0:616601bde9fb	62	moving it, define this to nothing. */
AdamGreen	0:616601bde9fb	63	#ifndef mem_trim
AdamGreen	0:616601bde9fb	64	#define mem_trim(mem, size) (mem)
AdamGreen	0:616601bde9fb	65	#endif
AdamGreen	0:616601bde9fb	66	#else /* MEM_LIBC_MALLOC */
AdamGreen	0:616601bde9fb	67
AdamGreen	0:616601bde9fb	68	/* MEM_SIZE would have to be aligned, but using 64000 here instead of
AdamGreen	0:616601bde9fb	69	* 65535 leaves some room for alignment...
AdamGreen	0:616601bde9fb	70	*/
AdamGreen	0:616601bde9fb	71	#if MEM_SIZE > 64000l
AdamGreen	0:616601bde9fb	72	typedef u32_t mem_size_t;
AdamGreen	0:616601bde9fb	73	#define MEM_SIZE_F U32_F
AdamGreen	0:616601bde9fb	74	#else
AdamGreen	0:616601bde9fb	75	typedef u16_t mem_size_t;
AdamGreen	0:616601bde9fb	76	#define MEM_SIZE_F U16_F
AdamGreen	0:616601bde9fb	77	#endif /* MEM_SIZE > 64000 */
AdamGreen	0:616601bde9fb	78
AdamGreen	0:616601bde9fb	79	#if MEM_USE_POOLS
AdamGreen	0:616601bde9fb	80	/** mem_init is not used when using pools instead of a heap */
AdamGreen	0:616601bde9fb	81	#define mem_init()
AdamGreen	0:616601bde9fb	82	/** mem_trim is not used when using pools instead of a heap:
AdamGreen	0:616601bde9fb	83	we can't free part of a pool element and don't want to copy the rest */
AdamGreen	0:616601bde9fb	84	#define mem_trim(mem, size) (mem)
AdamGreen	0:616601bde9fb	85	#else /* MEM_USE_POOLS */
AdamGreen	0:616601bde9fb	86	/* lwIP alternative malloc */
AdamGreen	0:616601bde9fb	87	void mem_init(void);
AdamGreen	0:616601bde9fb	88	void mem_trim(void mem, mem_size_t size);
AdamGreen	0:616601bde9fb	89	#endif /* MEM_USE_POOLS */
AdamGreen	0:616601bde9fb	90	void *mem_malloc(mem_size_t size);
AdamGreen	0:616601bde9fb	91	void *mem_calloc(mem_size_t count, mem_size_t size);
AdamGreen	0:616601bde9fb	92	void mem_free(void *mem);
AdamGreen	0:616601bde9fb	93	#endif /* MEM_LIBC_MALLOC */
AdamGreen	0:616601bde9fb	94
AdamGreen	0:616601bde9fb	95	/** Calculate memory size for an aligned buffer - returns the next highest
AdamGreen	0:616601bde9fb	96	* multiple of MEM_ALIGNMENT (e.g. LWIP_MEM_ALIGN_SIZE(3) and
AdamGreen	0:616601bde9fb	97	* LWIP_MEM_ALIGN_SIZE(4) will both yield 4 for MEM_ALIGNMENT == 4).
AdamGreen	0:616601bde9fb	98	*/
AdamGreen	0:616601bde9fb	99	#ifndef LWIP_MEM_ALIGN_SIZE
AdamGreen	0:616601bde9fb	100	#define LWIP_MEM_ALIGN_SIZE(size) (((size) + MEM_ALIGNMENT - 1) & ~(MEM_ALIGNMENT-1))
AdamGreen	0:616601bde9fb	101	#endif
AdamGreen	0:616601bde9fb	102
AdamGreen	0:616601bde9fb	103	/** Calculate safe memory size for an aligned buffer when using an unaligned
AdamGreen	0:616601bde9fb	104	* type as storage. This includes a safety-margin on (MEM_ALIGNMENT - 1) at the
AdamGreen	0:616601bde9fb	105	* start (e.g. if buffer is u8_t[] and actual data will be u32_t*)
AdamGreen	0:616601bde9fb	106	*/
AdamGreen	0:616601bde9fb	107	#ifndef LWIP_MEM_ALIGN_BUFFER
AdamGreen	0:616601bde9fb	108	#define LWIP_MEM_ALIGN_BUFFER(size) (((size) + MEM_ALIGNMENT - 1))
AdamGreen	0:616601bde9fb	109	#endif
AdamGreen	0:616601bde9fb	110
AdamGreen	0:616601bde9fb	111	/** Align a memory pointer to the alignment defined by MEM_ALIGNMENT
AdamGreen	0:616601bde9fb	112	* so that ADDR % MEM_ALIGNMENT == 0
AdamGreen	0:616601bde9fb	113	*/
AdamGreen	0:616601bde9fb	114	#ifndef LWIP_MEM_ALIGN
AdamGreen	0:616601bde9fb	115	#define LWIP_MEM_ALIGN(addr) ((void *)(((mem_ptr_t)(addr) + MEM_ALIGNMENT - 1) & ~(mem_ptr_t)(MEM_ALIGNMENT-1)))
AdamGreen	0:616601bde9fb	116	#endif
AdamGreen	0:616601bde9fb	117
AdamGreen	0:616601bde9fb	118	#ifdef __cplusplus
AdamGreen	0:616601bde9fb	119	}
AdamGreen	0:616601bde9fb	120	#endif
AdamGreen	0:616601bde9fb	121
AdamGreen	0:616601bde9fb	122	#endif /* __LWIP_MEM_H__ */

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	23 Feb 2012
Imports:	113
Forks:	0
Commits:	2
Dependents:	0
Dependencies:	4
Followers:	6

NetStack/lwip/include/lwip/mem.h@0:616601bde9fb, 2012-02-23 (annotated)

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