ucos_ii.h

基于51单片机来实现UCOS用一个串口来看到实现阶段

OS_EXT  INT8U          OSLockNesting;            /* Multitasking lock nesting level                      */

OS_EXT  INT8U   idata     OSPrioCur;                /* Priority of current task                             */
OS_EXT  INT8U   idata     OSPrioHighRdy;            /* Priority of highest priority task                    */

OS_EXT  INT8U        OSRdyGrp;                        /* Ready list group                              */
OS_EXT  INT8U        OSRdyTbl[OS_RDY_TBL_SIZE];       /* Table of tasks which are ready to run         */

OS_EXT  BOOLEAN  idata   OSRunning;                   /* Flag indicating that kernel is running        */

#if     OS_TASK_CREATE_EN  || OS_TASK_CREATE_EXT_EN || OS_TASK_DEL_EN
OS_EXT  INT8U        OSTaskCtr;                       /* Number of tasks created                       */
#endif

OS_EXT  OS_TCB  * idata OSTCBCur;                        /* Pointer to currently running TCB              */
OS_EXT  OS_TCB  * idata OSTCBHighRdy;                    /* Pointer to highest priority TCB ready to run  */

OS_EXT  OS_STKCB    *OSTKCBFreeList;				  /* Pointer to list of free STCKCB                */
OS_EXT  OS_TCB      *OSTCBFreeList;                   /* Pointer to list of free TCBs                  */
OS_EXT  OS_TCB      *OSTCBList;                       /* Pointer to doubly linked list of TCBs         */
OS_EXT  OS_TCB      *OSTCBPrioTbl[OS_LOWEST_PRIO + 1];/* Table of pointers to created TCBs             */

OS_EXT  INT32U       OSTime;                   /* Current value of system time (in ticks)              */
                              
OS_EXT  OS_STKCB    OSTKCBTbl[OS_MAX_TASKS + OS_N_SYS_TASKS];	//堆栈控制块数目
OS_EXT  OS_STK      OSTaskStk[OS_MAX_TASKS + OS_N_SYS_TASKS][OS_STK_SIZE]; 

OS_EXT  OS_TCB      OSTCBTbl[OS_MAX_TASKS + OS_N_SYS_TASKS]; 	//任务控制块数目
                                         
#if USE_Pre_SeryInt
OS_EXT	INT8U  	data   I_buf[32],O_dex,I_dex;
OS_EXT	INT8U 	       *O_buf;
#endif

#if  OS_Sem_EN
OS_EXT  OS_EVENT    *Sem1,*Sem2,*Sem3,*Sem4;
#endif

extern  INT8U const code OSMapTbl[];               /* Priority->Bit Mask lookup table                      */
extern  INT8U const code OSUnMapTbl[];             /* Priority->Index    lookup table                      */

//邮箱管理函数
#if         OS_MBOX_EN
void       *OSMboxAccept(OS_EVENT *pevent)reentrant;
OS_EVENT   *OSMboxCreate(void *msg)reentrant;
void       *OSMboxPend(OS_EVENT *pevent, INT16U timeout, INT8U *err)reentrant;
INT8U       OSMboxPost(OS_EVENT *pevent, void *msg)reentrant;
INT8U       OSMboxQuery(OS_EVENT *pevent, OS_MBOX_DATA *dataptr)reentrant;
#endif

//内存管理函数
#if         OS_MEM_EN && (OS_MAX_MEM_PART >= 2)
OS_MEM     *OSMemCreate(void *addr, INT32U nblks, INT32U blksize, INT8U *err)reentrant;
void       *OSMemGet(OS_MEM *pmem, INT8U *err)reentrant;
INT8U       OSMemPut(OS_MEM *pmem, void *pblk)reentrant;
INT8U       OSMemQuery(OS_MEM *pmem, OS_MEM_DATA *dataptr)reentrant;
#endif

//队列管理函数
#if         OS_Q_EN && (OS_MAX_QS >= 2)
void       *OSQAccept(OS_EVENT *pevent)reentrant;
OS_EVENT   *OSQCreate(void **start, INT16U size)reentrant;
INT8U       OSQFlush(OS_EVENT *pevent)reentrant;
void       *OSQPend(OS_EVENT *pevent, INT16U timeout, INT8U *err)reentrant;
INT8U       OSQPost(OS_EVENT *pevent, void *msg)reentrant;
INT8U       OSQPostFront(OS_EVENT *pevent, void *msg)reentrant;
INT8U       OSQQuery(OS_EVENT *pevent, OS_Q_DATA *dataptr)reentrant;
#endif

//信号管理函数
#if         OS_Sem_EN
INT16U      OSSemAccept(OS_EVENT *pevent)reentrant;
OS_EVENT   *OSSemCreate(INT16U value)reentrant;
void        OSSemPend(OS_EVENT *pevent, INT16U timeout, INT8U *err)reentrant;
INT8U       OSSemPost(OS_EVENT *pevent)reentrant;
INT8U       OSSemQuery(OS_EVENT *pevent, OS_SEM_DATA *dataptr)reentrant;
#endif

//任务管理函数
#if         OS_TASK_CHANGE_PRIO_EN
INT8U       OSTaskChangePrio(INT8U oldprio, INT8U newprio)reentrant;
#endif

INT8U       OSTaskIdleCreate();

#if		    OS_TASK_STAT_EN
INT8U       OSTaskStatCreate(); 
#endif

INT8U       OSTaskCreate(void (*task)(void *pd)reentrant, 
						 INT8U prio)reentrant;
            /*本人去掉堆栈指针参数由系统分配*/

#if         OS_TASK_CREATE_EXT_EN
INT8U       OSTaskCreateExt(void  (*task)(void *pd)reentrant, 
                            INT8U   prio,
                            INT16U  id,
                            void   *pext,
                            INT16U  opt)reentrant;
#endif                            

#if         OS_TASK_DEL_EN
INT8U       OSTaskDel(INT8U prio)reentrant;
INT8U       OSTaskDelReq(INT8U prio)reentrant;
#endif

#if         OS_TASK_SUSPEND_EN
INT8U       OSTaskResume(INT8U prio)reentrant;
INT8U       OSTaskSuspend(INT8U prio)reentrant;
#endif

#if         OS_TASK_CREATE_EXT_EN
INT8U       OSTaskStkChk(INT8U prio, OS_STK_DATA *dataptr)reentrant;
#endif

#if 	    OS_Task_Query_EN
INT8U       OSTaskQuery(INT8U prio, OS_TCB *dataptr)reentrant;
#endif

//时间管理函数
#if			OS_Time_Dly_EN 
void        OSTimeDly(INT16U ticks)reentrant;
#endif

#if			OS_Time_DlyHMSM_EN
INT8U       OSTimeDlyHMSM(INT8U hours, INT8U minutes, INT8U seconds, INT16U milli)reentrant;
#endif

#if			OS_Time_DlyResume_EN 
INT8U       OSTimeDlyResume(INT8U prio)reentrant;
#endif

#if			OS_Time_Get_EN 
INT32U      OSTimeGet(void)reentrant;
#endif

#if			OS_Time_Set_EN
void        OSTimeSet(INT32U ticks)reentrant;
#endif

void        OSTimeTick(void);

//系统内核函数
void        OSInit(void);

void        OSIntEnter(void);
void        OSIntExit(void);

#if			OSSCHED_LOCK_EN 
void        OSSchedLock(void)reentrant;
void        OSSchedUnlock(void)reentrant;
#endif

void        OSStart(void);

#if         OS_VERSION_CHK_EN
INT16U      OSVersion(void)reentrant;
#endif

#if         OS_MBOX_EN || OS_Q_EN || OS_Sem_EN
void        OSEventTaskRdy(OS_EVENT *pevent, void *msg, INT8U msk)reentrant;
void        OSEventTaskWait(OS_EVENT *pevent)reentrant;
void        OSEventTO(OS_EVENT *pevent)reentrant;
void        OSEventWaitListInit(OS_EVENT *pevent)reentrant;
#endif

#if         OS_MEM_EN && (OS_MAX_MEM_PART >= 2)
void        OSMemInit(void)reentrant;
#endif

#if         OS_Q_EN
void        OSQInit(void)reentrant;
#endif

void        OSSched(void)reentrant;

void        OSTaskIdle(void *dataptr)reentrant;

#if         OS_TASK_STAT_EN
void        OSTaskStat(void *dataptr)reentrant;
void        OSStatInit(void)reentrant;
#endif

INT8U       OSTCBInit(INT8U prio, OS_STKCB *stkcb, INT16U id, void *pext, INT16U opt)reentrant;

OS_STKCB    *OStkAsk(void)reentrant;

void        OSTaskStkInit(	void (*task)(void *pd)reentrant,
							OS_STKCB *stkcb, 
							INT16U opt    )reentrant;
/**********************************用户要编写的系统函数**************************************************/			  
//-----------------------------------------------------------------------
//汇编语言编写
void        OSCtxSw(void);	              
void        OSIntCtxSw(void);
void        OSStartHighRdy(void);
//-----------------------------------------------------------------------
//C语言编写
void        OSTaskSwHook(void)reentrant;
void        TimeTickConfig(void);   //* initial timetick USE TIMER0
//-----------------------------------------------------------------------
void        OSTaskCreateHook(OS_TCB *ptcb)reentrant;

#if	        OS_TASK_STAT_EN
void        OSTaskStatHook(void)reentrant;
#endif

#if OS_TASK_DEL_EN
void OSTaskDelHook (OS_TCB *ptcb)reentrant;
#endif

void        OSTimeTickHook(void)reentrant;

#if OS_CPU_HOOKS_EN  
void OSTCBSWHook(void)reentrant;

void OSInitHookBegin (void)reentrant;

void OSInitHookEnd (void)reentrant;

void OSTCBInitHook (OS_TCB *ptcb)reentrant;

void OSTickISRHook(void)reentrant;

void OSRunningTrue(void)reentrant;
#endif

//-----------------------------------------------------------------------
/*******************************用户编写的中断服务程序**************************************************/
#if USE_Pre_ExternInt0
void        ExternInt0(void);
#endif

#if USE_Pre_ExternInt1
void        ExternInt1(void);
#endif

#if USE_Pre_TimeInt1
void        Time1Int(void);
#endif

#if USE_Pre_SeryInt
void        SeryInt(void);
#endif