#ifndef __SYS_ARCH_H__
#define __SYS_ARCH_H__

#include    "os_cpu.h"
#include    "os_cfg.h"
#include    "ucos_ii.h"


#define LWIP_STK_SIZE      1024

//yangye 2003-1-27
//defines for sys_thread_new() & sys_arch_timeouts()
//max number of lwip tasks
#define LWIP_TASK_MAX    5
//first prio of lwip tasks
#define LWIP_START_PRIO  5   //so priority of lwip tasks is from 5-9 


#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的臨界區保護


typedef INT8U     sys_thread_t;


#endif