?? ucos_ii.h
字號:
INT16U OSTCBDly; /* Nbr ticks to delay task or, timeout waiting for event */
INT8U OSTCBStat; /* Task status */
INT8U OSTCBPrio; /* Task priority (0 == highest, 63 == lowest) */
INT8U OSTCBX; /* Bit position in group corresponding to task priority (0..7) */
INT8U OSTCBY; /* Index into ready table corresponding to task priority */
INT8U OSTCBBitX; /* Bit mask to access bit position in ready table */
INT8U OSTCBBitY; /* Bit mask to access bit position in ready group */
#if OS_TASK_DEL_EN
BOOLEAN OSTCBDelReq; /* Indicates whether a task needs to delete itself */
#endif
} OS_TCB;
/*$PAGE*/
/*
*********************************************************************************************************
* GLOBAL VARIABLES
*********************************************************************************************************
*/
OS_EXT INT32U OSCtxSwCtr; /* Counter of number of context switches */
#if (OS_MAX_EVENTS >= 2)
OS_EXT OS_EVENT *OSEventFreeList; /* Pointer to list of free EVENT control blocks */
OS_EXT OS_EVENT OSEventTbl[OS_MAX_EVENTS];/* Table of EVENT control blocks */
#endif
OS_EXT INT32U OSIdleCtr; /* Idle counter */
#if OS_TASK_STAT_EN
OS_EXT INT8S OSCPUUsage; /* Percentage of CPU used */
OS_EXT INT32U OSIdleCtrMax; /* Maximum value that idle counter can take in 1 sec. */
OS_EXT INT32U OSIdleCtrRun; /* Value reached by idle counter at run time in 1 sec. */
OS_EXT BOOLEAN OSStatRdy; /* Flag indicating that the statistic task is ready */
#endif
OS_EXT INT8U OSIntNesting; /* Interrupt nesting level */
OS_EXT INT8U OSLockNesting; /* Multitasking lock nesting level */
OS_EXT INT8U OSPrioCur; /* Priority of current task */
OS_EXT INT8U 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 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 *OSTCBCur; /* Pointer to currently running TCB */
OS_EXT OS_TCB *OSTCBFreeList; /* Pointer to list of free TCBs */
OS_EXT OS_TCB *OSTCBHighRdy; /* Pointer to highest priority TCB ready to run */
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) */
extern INT8U const OSMapTbl[]; /* Priority->Bit Mask lookup table */
extern INT8U const OSUnMapTbl[]; /* Priority->Index lookup table */
/*$PAGE*/
/*
*********************************************************************************************************
* FUNCTION PROTOTYPES
* (Target Independant Functions)
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* MESSAGE MAILBOX MANAGEMENT
*********************************************************************************************************
*/
#if OS_MBOX_EN
void *OSMboxAccept(OS_EVENT *pevent);
OS_EVENT *OSMboxCreate(void *msg);
void *OSMboxPend(OS_EVENT *pevent, INT16U timeout, INT8U *err);
INT8U OSMboxPost(OS_EVENT *pevent, void *msg);
INT8U OSMboxQuery(OS_EVENT *pevent, OS_MBOX_DATA *pdata);
#endif
/*
*********************************************************************************************************
* MEMORY MANAGEMENT
*********************************************************************************************************
*/
#if OS_MEM_EN && (OS_MAX_MEM_PART >= 2)
OS_MEM *OSMemCreate(void *addr, INT32U nblks, INT32U blksize, INT8U *err);
void *OSMemGet(OS_MEM *pmem, INT8U *err);
INT8U OSMemPut(OS_MEM *pmem, void *pblk);
INT8U OSMemQuery(OS_MEM *pmem, OS_MEM_DATA *pdata);
#endif
/*
*********************************************************************************************************
* MESSAGE QUEUE MANAGEMENT
*********************************************************************************************************
*/
#if OS_Q_EN && (OS_MAX_QS >= 2)
void *OSQAccept(OS_EVENT *pevent);
OS_EVENT *OSQCreate(void **start, INT16U size);
INT8U OSQFlush(OS_EVENT *pevent);
void *OSQPend(OS_EVENT *pevent, INT16U timeout, INT8U *err);
INT8U OSQPost(OS_EVENT *pevent, void *msg);
INT8U OSQPostFront(OS_EVENT *pevent, void *msg);
INT8U OSQQuery(OS_EVENT *pevent, OS_Q_DATA *pdata);
#endif
/*$PAGE*/
/*
*********************************************************************************************************
* SEMAPHORE MANAGEMENT
*********************************************************************************************************
*/
#if OS_SEM_EN
INT16U OSSemAccept(OS_EVENT *pevent);
OS_EVENT *OSSemCreate(INT16U value);
void OSSemPend(OS_EVENT *pevent, INT16U timeout, INT8U *err);
INT8U OSSemPost(OS_EVENT *pevent);
INT8U OSSemQuery(OS_EVENT *pevent, OS_SEM_DATA *pdata);
#endif
/*
*********************************************************************************************************
* TASK MANAGEMENT
*********************************************************************************************************
*/
#if OS_TASK_CHANGE_PRIO_EN
INT8U OSTaskChangePrio(INT8U oldprio, INT8U newprio);
#endif
INT8U OSTaskCreate(void (*task)(void *pd), void *pdata, OS_STK *ptos, INT8U prio);
#if OS_TASK_CREATE_EXT_EN
INT8U OSTaskCreateExt(void (*task)(void *pd),
void *pdata,
OS_STK *ptos,
INT8U prio,
INT16U id,
OS_STK *pbos,
INT32U stk_size,
void *pext,
INT16U opt);
#endif
#if OS_TASK_DEL_EN
INT8U OSTaskDel(INT8U prio);
INT8U OSTaskDelReq(INT8U prio);
#endif
#if OS_TASK_SUSPEND_EN
INT8U OSTaskResume(INT8U prio);
INT8U OSTaskSuspend(INT8U prio);
#endif
#if OS_TASK_CREATE_EXT_EN
INT8U OSTaskStkChk(INT8U prio, OS_STK_DATA *pdata);
#endif
INT8U OSTaskQuery(INT8U prio, OS_TCB *pdata);
/*
*********************************************************************************************************
* TIME MANAGEMENT
*********************************************************************************************************
*/
void OSTimeDly(INT16U ticks);
INT8U OSTimeDlyHMSM(INT8U hours, INT8U minutes, INT8U seconds, INT16U milli);
INT8U OSTimeDlyResume(INT8U prio);
INT32U OSTimeGet(void);
void OSTimeSet(INT32U ticks);
void OSTimeTick(void);
/*
*********************************************************************************************************
* MISCELLANEOUS
*********************************************************************************************************
*/
void OSInit(void);
void OSIntEnter(void);
void OSIntExit(void);
void OSSchedLock(void);
void OSSchedUnlock(void);
void OSStart(void);
void OSStatInit(void);
INT16U OSVersion(void);
/*$PAGE*/
/*
*********************************************************************************************************
* INTERNAL FUNCTION PROTOTYPES
* (Your application MUST NOT call these functions)
*********************************************************************************************************
*/
#if OS_MBOX_EN || OS_Q_EN || OS_SEM_EN
void OSEventTaskRdy(OS_EVENT *pevent, void *msg, INT8U msk);
void OSEventTaskWait(OS_EVENT *pevent);
void OSEventTO(OS_EVENT *pevent);
void OSEventWaitListInit(OS_EVENT *pevent);
#endif
#if OS_MEM_EN && (OS_MAX_MEM_PART >= 2)
void OSMemInit(void);
#endif
#if OS_Q_EN
void OSQInit(void);
#endif
void OSSched(void);
void OSTaskIdle(void *data);
#if OS_TASK_STAT_EN
void OSTaskStat(void *data);
#endif
INT8U OSTCBInit(INT8U prio, OS_STK *ptos, OS_STK *pbos, INT16U id, INT16U stk_size, void *pext, INT16U opt);
/*$PAGE*/
/*
*********************************************************************************************************
* FUNCTION PROTOTYPES
* (Target Specific Functions)
*********************************************************************************************************
*/
void OSCtxSw(void);
void OSIntCtxSw(void);
void OSStartHighRdy(void);
void OSTaskCreateHook(OS_TCB *ptcb);
void OSTaskDelHook(OS_TCB *ptcb);
void OSTaskStatHook(void);
void *OSTaskStkInit(void (*task)(void *pd), void *pdata, void *ptos, INT16U opt);
void OSTaskSwHook(void);
void OSTickISR(void);
void OSTimeTickHook(void);
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