cc.h

freertosV4.40 是一种small的嵌入式系统。利于嵌入式开好者入门学习嵌入式操作系统。通过对于源码的学习可以很好的掌握freertos的运行机制。

/*
 * 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 <[e-mail]>
 * Modifcations: Christian Walter <[e-mail]>
 */
#ifndef __CC_H__
#define __CC_H__

/* ------------------------ System includes ------------------------------- */
#include <string.h>

/* ------------------------ Project includes ------------------------------ */
#include "cpu.h"
#include "sys_arch.h"

/* ------------------------ Defines --------------------------------------- */

#define PACK_STRUCT_BEGIN
#define PACK_STRUCT_STRUCT      __attribute__ ((__packed__))
#define PACK_STRUCT_END

#define PACK_STRUCT_FIELD( x )  x

#define ALIGN_STRUCT_8_BEGIN
#define ALIGN_STRUCT_8          __attribute__ ((aligned (8)))
#define ALIGN_STRUCT_8_END

#define LWIP_PLATFORM_ASSERT( x ) sys_assert( x )
#define LWIP_PLATFORM_DIAG( x, ... ) do{ sys_debug x; } while( 0 );

/* Define (sn)printf formatters for these lwIP types */
#define U16_F                   "hu"
#define S16_F                   "hd"
#define X16_F                   "hx"
#define U32_F                   "lu"
#define S32_F                   "ld"
#define X32_F                   "lx"

/* ------------------------ Type definitions (lwIP) ----------------------- */
typedef unsigned char u8_t;
typedef signed char s8_t;
typedef unsigned short u16_t;
typedef signed short s16_t;
typedef unsigned long u32_t;
typedef signed long s32_t;
typedef u32_t   mem_ptr_t;
typedef int     sys_prot_t;

/* ------------------------ Prototypes ------------------------------------ */

#endif