OS_EVENT     *OSMutexCreate(INT8U prio, INT8U *err);

#if OS_MUTEX_DEL_EN > 0
OS_EVENT     *OSMutexDel(OS_EVENT *pevent, INT8U opt, INT8U *err);
#endif

void          OSMutexPend(OS_EVENT *pevent, INT16U timeout, INT8U *err);
INT8U         OSMutexPost(OS_EVENT *pevent);

#if OS_MUTEX_QUERY_EN > 0
INT8U         OSMutexQuery(OS_EVENT *pevent, OS_MUTEX_DATA *pdata);
#endif

#endif

/********************************************************************************************************
*                                         MESSAGE QUEUE MANAGEMENT
********************************************************************************************************/
#if (OS_Q_EN > 0) && (OS_MAX_QS > 0)

#if OS_Q_ACCEPT_EN > 0
void         *OSQAccept(OS_EVENT *pevent);
#endif

OS_EVENT     *OSQCreate(void **start, INT16U size);

#if OS_Q_DEL_EN > 0
OS_EVENT     *OSQDel(OS_EVENT *pevent, INT8U opt, INT8U *err);
#endif

#if OS_Q_FLUSH_EN > 0
INT8U         OSQFlush(OS_EVENT *pevent);
#endif

void         *OSQPend(OS_EVENT *pevent, INT16U timeout, INT8U *err);

#if OS_Q_POST_EN > 0
INT8U         OSQPost(OS_EVENT *pevent, void *msg);
#endif

#if OS_Q_POST_FRONT_EN > 0
INT8U         OSQPostFront(OS_EVENT *pevent, void *msg);
#endif

#if OS_Q_POST_OPT_EN > 0
INT8U         OSQPostOpt(OS_EVENT *pevent, void *msg, INT8U opt);
#endif

#if OS_Q_QUERY_EN > 0
INT8U         OSQQuery(OS_EVENT *pevent, OS_Q_DATA *pdata);
#endif

#endif

/********************************************************************************************************
*                                          SEMAPHORE MANAGEMENT
********************************************************************************************************/
#if OS_SEM_EN > 0

#if OS_SEM_ACCEPT_EN > 0
INT16U        OSSemAccept(OS_EVENT *pevent);
#endif

OS_EVENT     *OSSemCreate(INT16U cnt);

#if OS_SEM_DEL_EN > 0
OS_EVENT     *OSSemDel(OS_EVENT *pevent, INT8U opt, INT8U *err);
#endif

void          OSSemPend(OS_EVENT *pevent, INT16U timeout, INT8U *err);
INT8U         OSSemPost(OS_EVENT *pevent);

#if OS_SEM_QUERY_EN > 0
INT8U         OSSemQuery(OS_EVENT *pevent, OS_SEM_DATA *pdata);
#endif

#endif

/********************************************************************************************************
*                                            TASK MANAGEMENT
********************************************************************************************************/
#if OS_TASK_CHANGE_PRIO_EN > 0
INT8U         OSTaskChangePrio(INT8U oldprio, INT8U newprio);
#endif

#if OS_TASK_CREATE_EN > 0
INT8U         OSTaskCreate(void (*task)(void *pd), void *pdata, OS_STK *ptos, INT8U prio);
#endif

#if OS_TASK_CREATE_EXT_EN > 0
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 > 0
INT8U         OSTaskDel(INT8U prio);
INT8U         OSTaskDelReq(INT8U prio);
#endif

#if OS_TASK_SUSPEND_EN > 0
INT8U         OSTaskResume(INT8U prio);
INT8U         OSTaskSuspend(INT8U prio);
#endif

#if OS_TASK_CREATE_EXT_EN > 0
INT8U         OSTaskStkChk(INT8U prio, OS_STK_DATA *pdata);
#endif

#if OS_TASK_QUERY_EN > 0
INT8U         OSTaskQuery(INT8U prio, OS_TCB *pdata);
#endif

/********************************************************************************************************
*                                            TIME MANAGEMENT
********************************************************************************************************/
void          OSTimeDly(INT16U ticks);

#if OS_TIME_DLY_HMSM_EN > 0
INT8U         OSTimeDlyHMSM(INT8U hours, INT8U minutes, INT8U seconds, INT16U milli);
#endif

#if OS_TIME_DLY_RESUME_EN > 0
INT8U         OSTimeDlyResume(INT8U prio);
#endif

#if OS_TIME_GET_SET_EN > 0
INT32U        OSTimeGet(void);
void          OSTimeSet(INT32U ticks);
#endif

void          OSTimeTick(void);

/********************************************************************************************************
*                                             MISCELLANEOUS
********************************************************************************************************/
void          OSInit(void);

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

#if OS_SCHED_LOCK_EN > 0
void          OSSchedLock(void);
void          OSSchedUnlock(void);
#endif

void          OSStart(void);

void          OSStatInit(void);

INT16U        OSVersion(void);

/********************************************************************************************************
*                                      INTERNAL FUNCTION PROTOTYPES
*                            (Your application MUST NOT call these functions)
********************************************************************************************************/
#if OS_TASK_DEL_EN > 0
void          OS_Dummy(void);
#endif

#if ((OS_Q_EN > 0) && (OS_MAX_QS > 0)) || (OS_MBOX_EN > 0) || (OS_SEM_EN > 0) || (OS_MUTEX_EN > 0)
INT8U         OS_EventTaskRdy(OS_EVENT *pevent, void *msg, INT8U msk);
void          OS_EventTaskWait(OS_EVENT *pevent);
void          OS_EventTO(OS_EVENT *pevent);
void          OS_EventWaitListInit(OS_EVENT *pevent);
#endif

#if (OS_VERSION >= 251) && (OS_FLAG_EN > 0) && (OS_MAX_FLAGS > 0)
void          OS_FlagInit(void);
void          OS_FlagUnlink(OS_FLAG_NODE *pnode);
#endif

#if (OS_MEM_EN > 0) && (OS_MAX_MEM_PART > 0)
void          OS_MemInit(void);
#endif

#if OS_Q_EN > 0
void          OS_QInit(void);
#endif

void          OS_Sched(void);

void          OS_TaskIdle(void *data);

#if OS_TASK_STAT_EN > 0
void          OS_TaskStat(void *data);
#endif

INT8U         OS_TCBInit(INT8U prio, OS_STK *ptos, OS_STK *pbos, INT16U id, INT32U stk_size, void *pext, INT16U opt);

/********************************************************************************************************
*                                          FUNCTION PROTOTYPES
*                                      (Target Specific Functions)
********************************************************************************************************/
#if OS_VERSION >= 204
void          OSInitHookBegin(void);
void          OSInitHookEnd(void);
#endif

void          OSIntCtxSw(void);

void          OSStartHighRdy(void);

void          OSTaskCreateHook(OS_TCB *ptcb);
void          OSTaskDelHook(OS_TCB *ptcb);

#if OS_VERSION >= 251
void          OSTaskIdleHook(void);
#endif

void          OSTaskStatHook(void);
OS_STK       *OSTaskStkInit(void (*task)(void *pd), void *pdata, OS_STK *ptos, INT16U opt);
void          OSTaskSwHook(void);

#if OS_VERSION >= 204
void          OSTCBInitHook(OS_TCB *ptcb);
#endif

void          OSTimeTickHook(void);

/********************************************************************************************************
*                                          FUNCTION PROTOTYPES
*                                  (Compiler Specific ISR prototypes)
********************************************************************************************************/
#ifndef OS_ISR_PROTO_EXT
void          OSCtxSw(void);
void          OSTickISR(void);
#endif

/********************************************************************************************************
*                                   LOOK FOR MISSING #define CONSTANTS
*
* This section is used to generate ERROR messages at compile time if certain #define constants are 
* MISSING in OS_CFG.H.  This allows you to quickly determine the source of the error.
*
* You SHOULD NOT change this section UNLESS you would like to add more comments as to the source of the
* compile time error.
********************************************************************************************************/

/********************************************************************************************************
*                                            EVENT FLAGS
********************************************************************************************************/
#ifndef OS_FLAG_EN
#error  "OS_CFG.H, Missing OS_FLAG_EN: Enable (1) or Disable (0) code generation for Event Flags"
#else
    #ifndef OS_MAX_FLAGS
    #error  "OS_CFG.H, Missing OS_MAX_FLAGS: Max. number of Event Flag Groups in your application"
    #else
        #if     OS_MAX_FLAGS == 0
        #error  "OS_CFG.H, OS_MAX_FLAGS must be > 0"