92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
/*
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* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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*/
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#ifndef __ARCH_SYS_ARCH_H__
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#define __ARCH_SYS_ARCH_H__
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#include "arch/cc.h"
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#ifdef USE_RTOS
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#include "includes.h"
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#define MAX_QUEUE_ENTRIES 20 // 每个消息邮箱的大小
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//LWIP消息邮箱结构体
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typedef struct {
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OS_EVENT* pQ; //UCOS中指向事件控制块的指针
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void* pvQEntries[MAX_QUEUE_ENTRIES];//消息队列 MAX_QUEUE_ENTRIES消息队列中最多消息数
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} TQ_DESCR, *PQ_DESCR;
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typedef OS_EVENT *sys_sem_t;
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typedef OS_EVENT *sys_mutex_t;
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typedef PQ_DESCR sys_mbox_t; //LWIP使用的消息邮箱,其实就是UCOS中的消息队列
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typedef INT8U sys_thread_t;
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#endif
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u32_t sys_now(void);
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#endif
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