sys_arch.h

uCOS-II下实现的lwip协议栈实现Ping功能

#ifndef __SYS_ARCH_H__
#define __SYS_ARCH_H__

#include    "os_cpu.h"
#include    "os_cfg.h"
#include    "ucos_ii.h"
#include    "os_api.h"
#define MBOX_SIZE		16			// 指定邮箱能接收信息数字量
#define MBOX_NB			8			// 指定邮箱个数/链表长度
#define T_LWIP_STKSIZE      1024
#define T_LWIP_THREAD_MAX_NB    	1  
//--------------add for web server ------------------//
#define		T_START_PRIOR					3
#define		T_ETHERNETIF_INPUT_PRIOR		6
#define		T_WEBSERVER_PRIOR				13  //5
#define		T_RUNTIP_PRIOR					14
//--------------add for web server ------------------//
/* 备注：4-5之间的优先级作为PIP或者保留，7-9之间的优先级由LwIP协议栈占用 */

#define		PIP_LOW_LEVEL_INPUT				4
#define		PIP_LOW_LEVEL_OUTPUT			5


#define		T_WEBSERVER_STKSIZE				1024
//#define		T_ETHERNETIF_INPUT_STKSIZE		256
#define		T_RUNTIP_STKSIZE				64
//defines for sys_thread_new() & sys_arch_timeouts()
//max number of lwip tasks
#define LWIP_TASK_MAX    1 //5 2012.03.06修改
//first prio of lwip tasks
#define T_LWIP_START_PRIO   7 // 5   //so priority of lwip tasks is from 5-9 
								//2012.03.06修改


#define SYS_MBOX_NULL   (void*)0
#define SYS_SEM_NULL    (void*)0
#define MAX_QUEUES        20//number of mboxs
#define MAX_QUEUE_ENTRIES 20
/*
typedef struct {
    OS_EVENT*   pQ;
    void*       pvQEntries[MAX_QUEUE_ENTRIES];
} TQ_DESCR, *PQ_DESCR;
  */
//* LwIP邮箱结构
typedef struct stLwIPMBox {
	struct stLwIPMBox *pstNext;
    //OS_EVENT*   	  hBox;
    HANDLER			  hMBox;
    void			  *pvaMsgs[MBOX_SIZE];
} ST_LWIP_MBOX, *PST_LWIP_MBOX;    
typedef OS_EVENT* sys_sem_t;
typedef PST_LWIP_MBOX sys_mbox_t;
typedef sys_mbox_t sys_prot_t;//提供lwip的临界区保护


typedef INT8U     sys_thread_t;



#endif