sys_arch.h

基于AT91SAM7x256的硬件平台的WEB服务器源码（A&shy DS版本, ucOS_II+LWIP+自己编写的DNS查询工具）

#ifndef __SYS_ARCH_H__
#define __SYS_ARCH_H__

#include    "os_cpu.h"
#include    "os_cfg_r.h"
#include    "ucos_ii.h"


#define T_LWIP_STKSIZE      	512
#define LWIP_TASK_MAX    		1
#define T_LWIP_START_PRIO  		7


#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;
    
typedef OS_EVENT* sys_sem_t;
typedef PQ_DESCR 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