os_sem.h

51单片机的实时系统

/*********************************************************************************************************
**				                               Small RTOS(51)
**                                   The Real-Time Kernel(For Keil c51)
**
**                                  (c) Copyright 2002-2002, chenmingji
**                                           All Rights Reserved
**
**                                                  V1.10
********************************************************************************************************/


#ifndef NOT_OK
#define NOT_OK      255                                 /* 参数错误                                     */
#endif

#define OS_SEM_NOT_OK 4                                 /* 无信号                                       */
#define OS_SEM_TMO    2                                 /* 超时到                                       */
#define OS_SEM_OK     1                                 /* 操作成功                                     */

#ifndef IN_OS_SEM
extern uint8 OSSemCreate(uint8 Index,uint8 Data);
extern uint8 OSSemPend(uint8 Index, uint8 Tick);
extern uint8 OSSemAccept(uint8 Index);
extern uint8 OSSemIntPost(uint8 Index);
extern uint8 OSSemPost(uint8 Index);
extern uint8 OSSemQuery(uint8 Index);


#endif