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- #define MICRIUM_SOURCE
- #ifndef OS_MASTER_FILE
- #include <ucos_ii.h>
- #endif
- #define OS_TMR_LINK_DLY 0u
- #define OS_TMR_LINK_PERIODIC 1u
- #if OS_TMR_EN > 0u
- static OS_TMR *OSTmr_Alloc (void);
- static void OSTmr_Free (OS_TMR *ptmr);
- static void OSTmr_InitTask (void);
- static void OSTmr_Link (OS_TMR *ptmr, INT8U type);
- static void OSTmr_Unlink (OS_TMR *ptmr);
- static void OSTmr_Task (void *p_arg);
- #endif
- #if OS_TMR_EN > 0u
- OS_TMR *OSTmrCreate (INT32U dly,
- INT32U period,
- INT8U opt,
- OS_TMR_CALLBACK callback,
- void *callback_arg,
- INT8U *pname,
- INT8U *perr)
- {
- OS_TMR *ptmr;
- #ifdef OS_SAFETY_CRITICAL
- if (perr == (INT8U *)0) {
- OS_SAFETY_CRITICAL_EXCEPTION();
- return ((OS_TMR *)0);
- }
- #endif
- #ifdef OS_SAFETY_CRITICAL_IEC61508
- if (OSSafetyCriticalStartFlag == OS_TRUE) {
- OS_SAFETY_CRITICAL_EXCEPTION();
- return ((OS_TMR *)0);
- }
- #endif
- #if OS_ARG_CHK_EN > 0u
- switch (opt) {
- case OS_TMR_OPT_PERIODIC:
- if (period == 0u) {
- *perr = OS_ERR_TMR_INVALID_PERIOD;
- return ((OS_TMR *)0);
- }
- break;
- case OS_TMR_OPT_ONE_SHOT:
- if (dly == 0u) {
- *perr = OS_ERR_TMR_INVALID_DLY;
- return ((OS_TMR *)0);
- }
- break;
- default:
- *perr = OS_ERR_TMR_INVALID_OPT;
- return ((OS_TMR *)0);
- }
- #endif
- if (OSIntNesting > 0u) {
- *perr = OS_ERR_TMR_ISR;
- return ((OS_TMR *)0);
- }
- OSSchedLock();
- ptmr = OSTmr_Alloc();
- if (ptmr == (OS_TMR *)0) {
- OSSchedUnlock();
- *perr = OS_ERR_TMR_NON_AVAIL;
- return ((OS_TMR *)0);
- }
- ptmr->OSTmrState = OS_TMR_STATE_STOPPED;
- ptmr->OSTmrDly = dly;
- ptmr->OSTmrPeriod = period;
- ptmr->OSTmrOpt = opt;
- ptmr->OSTmrCallback = callback;
- ptmr->OSTmrCallbackArg = callback_arg;
- #if OS_TMR_CFG_NAME_EN > 0u
- if (pname == (INT8U *)0) {
- ptmr->OSTmrName = (INT8U *)(void *)"?";
- } else {
- ptmr->OSTmrName = pname;
- }
- #endif
- OSSchedUnlock();
- *perr = OS_ERR_NONE;
- return (ptmr);
- }
- #endif
- #if OS_TMR_EN > 0u
- BOOLEAN OSTmrDel (OS_TMR *ptmr,
- INT8U *perr)
- {
- #ifdef OS_SAFETY_CRITICAL
- if (perr == (INT8U *)0) {
- OS_SAFETY_CRITICAL_EXCEPTION();
- return (OS_FALSE);
- }
- #endif
- #if OS_ARG_CHK_EN > 0u
- if (ptmr == (OS_TMR *)0) {
- *perr = OS_ERR_TMR_INVALID;
- return (OS_FALSE);
- }
- #endif
- if (ptmr->OSTmrType != OS_TMR_TYPE) {
- *perr = OS_ERR_TMR_INVALID_TYPE;
- return (OS_FALSE);
- }
- if (OSIntNesting > 0u) {
- *perr = OS_ERR_TMR_ISR;
- return (OS_FALSE);
- }
- OSSchedLock();
- switch (ptmr->OSTmrState) {
- case OS_TMR_STATE_RUNNING:
- OSTmr_Unlink(ptmr);
- OSTmr_Free(ptmr);
- OSSchedUnlock();
- *perr = OS_ERR_NONE;
- return (OS_TRUE);
- case OS_TMR_STATE_STOPPED:
- case OS_TMR_STATE_COMPLETED:
- OSTmr_Free(ptmr);
- OSSchedUnlock();
- *perr = OS_ERR_NONE;
- return (OS_TRUE);
- case OS_TMR_STATE_UNUSED:
- OSSchedUnlock();
- *perr = OS_ERR_TMR_INACTIVE;
- return (OS_FALSE);
- default:
- OSSchedUnlock();
- *perr = OS_ERR_TMR_INVALID_STATE;
- return (OS_FALSE);
- }
- }
- #endif
- #if OS_TMR_EN > 0u && OS_TMR_CFG_NAME_EN > 0u
- INT8U OSTmrNameGet (OS_TMR *ptmr,
- INT8U **pdest,
- INT8U *perr)
- {
- INT8U len;
- #ifdef OS_SAFETY_CRITICAL
- if (perr == (INT8U *)0) {
- OS_SAFETY_CRITICAL_EXCEPTION();
- return (0u);
- }
- #endif
- #if OS_ARG_CHK_EN > 0u
- if (pdest == (INT8U **)0) {
- *perr = OS_ERR_TMR_INVALID_DEST;
- return (0u);
- }
- if (ptmr == (OS_TMR *)0) {
- *perr = OS_ERR_TMR_INVALID;
- return (0u);
- }
- #endif
- if (ptmr->OSTmrType != OS_TMR_TYPE) {
- *perr = OS_ERR_TMR_INVALID_TYPE;
- return (0u);
- }
- if (OSIntNesting > 0u) {
- *perr = OS_ERR_NAME_GET_ISR;
- return (0u);
- }
- OSSchedLock();
- switch (ptmr->OSTmrState) {
- case OS_TMR_STATE_RUNNING:
- case OS_TMR_STATE_STOPPED:
- case OS_TMR_STATE_COMPLETED:
- *pdest = ptmr->OSTmrName;
- len = OS_StrLen(*pdest);
- OSSchedUnlock();
- *perr = OS_ERR_NONE;
- return (len);
- case OS_TMR_STATE_UNUSED:
- OSSchedUnlock();
- *perr = OS_ERR_TMR_INACTIVE;
- return (0u);
- default:
- OSSchedUnlock();
- *perr = OS_ERR_TMR_INVALID_STATE;
- return (0u);
- }
- }
- #endif
- #if OS_TMR_EN > 0u
- INT32U OSTmrRemainGet (OS_TMR *ptmr,
- INT8U *perr)
- {
- INT32U remain;
- #ifdef OS_SAFETY_CRITICAL
- if (perr == (INT8U *)0) {
- OS_SAFETY_CRITICAL_EXCEPTION();
- return (0u);
- }
- #endif
- #if OS_ARG_CHK_EN > 0u
- if (ptmr == (OS_TMR *)0) {
- *perr = OS_ERR_TMR_INVALID;
- return (0u);
- }
- #endif
- if (ptmr->OSTmrType != OS_TMR_TYPE) {
- *perr = OS_ERR_TMR_INVALID_TYPE;
- return (0u);
- }
- if (OSIntNesting > 0u) {
- *perr = OS_ERR_TMR_ISR;
- return (0u);
- }
- OSSchedLock();
- switch (ptmr->OSTmrState) {
- case OS_TMR_STATE_RUNNING:
- remain = ptmr->OSTmrMatch - OSTmrTime;
- OSSchedUnlock();
- *perr = OS_ERR_NONE;
- return (remain);
- case OS_TMR_STATE_STOPPED:
- switch (ptmr->OSTmrOpt) {
- case OS_TMR_OPT_PERIODIC:
- if (ptmr->OSTmrDly == 0u) {
- remain = ptmr->OSTmrPeriod;
- } else {
- remain = ptmr->OSTmrDly;
- }
- OSSchedUnlock();
- *perr = OS_ERR_NONE;
- break;
- case OS_TMR_OPT_ONE_SHOT:
- default:
- remain = ptmr->OSTmrDly;
- OSSchedUnlock();
- *perr = OS_ERR_NONE;
- break;
- }
- return (remain);
- case OS_TMR_STATE_COMPLETED:
- OSSchedUnlock();
- *perr = OS_ERR_NONE;
- return (0u);
- case OS_TMR_STATE_UNUSED:
- OSSchedUnlock();
- *perr = OS_ERR_TMR_INACTIVE;
- return (0u);
- default:
- OSSchedUnlock();
- *perr = OS_ERR_TMR_INVALID_STATE;
- return (0u);
- }
- }
- #endif
- #if OS_TMR_EN > 0u
- INT8U OSTmrStateGet (OS_TMR *ptmr,
- INT8U *perr)
- {
- INT8U state;
- #ifdef OS_SAFETY_CRITICAL
- if (perr == (INT8U *)0) {
- OS_SAFETY_CRITICAL_EXCEPTION();
- return (0u);
- }
- #endif
- #if OS_ARG_CHK_EN > 0u
- if (ptmr == (OS_TMR *)0) {
- *perr = OS_ERR_TMR_INVALID;
- return (0u);
- }
- #endif
- if (ptmr->OSTmrType != OS_TMR_TYPE) {
- *perr = OS_ERR_TMR_INVALID_TYPE;
- return (0u);
- }
- if (OSIntNesting > 0u) {
- *perr = OS_ERR_TMR_ISR;
- return (0u);
- }
- OSSchedLock();
- state = ptmr->OSTmrState;
- switch (state) {
- case OS_TMR_STATE_UNUSED:
- case OS_TMR_STATE_STOPPED:
- case OS_TMR_STATE_COMPLETED:
- case OS_TMR_STATE_RUNNING:
- *perr = OS_ERR_NONE;
- break;
- default:
- *perr = OS_ERR_TMR_INVALID_STATE;
- break;
- }
- OSSchedUnlock();
- return (state);
- }
- #endif
- #if OS_TMR_EN > 0u
- BOOLEAN OSTmrStart (OS_TMR *ptmr,
- INT8U *perr)
- {
- #ifdef OS_SAFETY_CRITICAL
- if (perr == (INT8U *)0) {
- OS_SAFETY_CRITICAL_EXCEPTION();
- return (OS_FALSE);
- }
- #endif
- #if OS_ARG_CHK_EN > 0u
- if (ptmr == (OS_TMR *)0) {
- *perr = OS_ERR_TMR_INVALID;
- return (OS_FALSE);
- }
- #endif
- if (ptmr->OSTmrType != OS_TMR_TYPE) {
- *perr = OS_ERR_TMR_INVALID_TYPE;
- return (OS_FALSE);
- }
- if (OSIntNesting > 0u) {
- *perr = OS_ERR_TMR_ISR;
- return (OS_FALSE);
- }
- OSSchedLock();
- switch (ptmr->OSTmrState) {
- case OS_TMR_STATE_RUNNING:
- OSTmr_Unlink(ptmr);
- OSTmr_Link(ptmr, OS_TMR_LINK_DLY);
- OSSchedUnlock();
- *perr = OS_ERR_NONE;
- return (OS_TRUE);
- case OS_TMR_STATE_STOPPED:
- case OS_TMR_STATE_COMPLETED:
- OSTmr_Link(ptmr, OS_TMR_LINK_DLY);
- OSSchedUnlock();
- *perr = OS_ERR_NONE;
- return (OS_TRUE);
- case OS_TMR_STATE_UNUSED:
- OSSchedUnlock();
- *perr = OS_ERR_TMR_INACTIVE;
- return (OS_FALSE);
- default:
- OSSchedUnlock();
- *perr = OS_ERR_TMR_INVALID_STATE;
- return (OS_FALSE);
- }
- }
- #endif
- #if OS_TMR_EN > 0u
- BOOLEAN OSTmrStop (OS_TMR *ptmr,
- INT8U opt,
- void *callback_arg,
- INT8U *perr)
- {
- OS_TMR_CALLBACK pfnct;
- #ifdef OS_SAFETY_CRITICAL
- if (perr == (INT8U *)0) {
- OS_SAFETY_CRITICAL_EXCEPTION();
- return (OS_FALSE);
- }
- #endif
- #if OS_ARG_CHK_EN > 0u
- if (ptmr == (OS_TMR *)0) {
- *perr = OS_ERR_TMR_INVALID;
- return (OS_FALSE);
- }
- #endif
- if (ptmr->OSTmrType != OS_TMR_TYPE) {
- *perr = OS_ERR_TMR_INVALID_TYPE;
- return (OS_FALSE);
- }
- if (OSIntNesting > 0u) {
- *perr = OS_ERR_TMR_ISR;
- return (OS_FALSE);
- }
- OSSchedLock();
- switch (ptmr->OSTmrState) {
- case OS_TMR_STATE_RUNNING:
- OSTmr_Unlink(ptmr);
- *perr = OS_ERR_NONE;
- switch (opt) {
- case OS_TMR_OPT_CALLBACK:
- pfnct = ptmr->OSTmrCallback;
- if (pfnct != (OS_TMR_CALLBACK)0) {
- (*pfnct)((void *)ptmr, ptmr->OSTmrCallbackArg);
- } else {
- *perr = OS_ERR_TMR_NO_CALLBACK;
- }
- break;
- case OS_TMR_OPT_CALLBACK_ARG:
- pfnct = ptmr->OSTmrCallback;
- if (pfnct != (OS_TMR_CALLBACK)0) {
- (*pfnct)((void *)ptmr, callback_arg);
- } else {
- *perr = OS_ERR_TMR_NO_CALLBACK;
- }
- break;
- case OS_TMR_OPT_NONE:
- break;
- default:
- *perr = OS_ERR_TMR_INVALID_OPT;
- break;
- }
- OSSchedUnlock();
- return (OS_TRUE);
- case OS_TMR_STATE_COMPLETED:
- case OS_TMR_STATE_STOPPED:
- OSSchedUnlock();
- *perr = OS_ERR_TMR_STOPPED;
- return (OS_TRUE);
- case OS_TMR_STATE_UNUSED:
- OSSchedUnlock();
- *perr = OS_ERR_TMR_INACTIVE;
- return (OS_FALSE);
- default:
- OSSchedUnlock();
- *perr = OS_ERR_TMR_INVALID_STATE;
- return (OS_FALSE);
- }
- }
- #endif
- #if OS_TMR_EN > 0u
- INT8U OSTmrSignal (void)
- {
- INT8U err;
- err = OSSemPost(OSTmrSemSignal);
- return (err);
- }
- #endif
- #if OS_TMR_EN > 0u
- static OS_TMR *OSTmr_Alloc (void)
- {
- OS_TMR *ptmr;
- if (OSTmrFreeList == (OS_TMR *)0) {
- return ((OS_TMR *)0);
- }
- ptmr = (OS_TMR *)OSTmrFreeList;
- OSTmrFreeList = (OS_TMR *)ptmr->OSTmrNext;
- ptmr->OSTmrNext = (OS_TCB *)0;
- ptmr->OSTmrPrev = (OS_TCB *)0;
- OSTmrUsed++;
- OSTmrFree--;
- return (ptmr);
- }
- #endif
- #if OS_TMR_EN > 0u
- static void OSTmr_Free (OS_TMR *ptmr)
- {
- ptmr->OSTmrState = OS_TMR_STATE_UNUSED;
- ptmr->OSTmrOpt = OS_TMR_OPT_NONE;
- ptmr->OSTmrPeriod = 0u;
- ptmr->OSTmrMatch = 0u;
- ptmr->OSTmrCallback = (OS_TMR_CALLBACK)0;
- ptmr->OSTmrCallbackArg = (void *)0;
- #if OS_TMR_CFG_NAME_EN > 0u
- ptmr->OSTmrName = (INT8U *)(void *)"?";
- #endif
- ptmr->OSTmrPrev = (OS_TCB *)0;
- ptmr->OSTmrNext = OSTmrFreeList;
- OSTmrFreeList = ptmr;
- OSTmrUsed--;
- OSTmrFree++;
- }
- #endif
- #if OS_TMR_EN > 0u
- void OSTmr_Init (void)
- {
- #if OS_EVENT_NAME_EN > 0u
- INT8U err;
- #endif
- INT16U ix;
- INT16U ix_next;
- OS_TMR *ptmr1;
- OS_TMR *ptmr2;
- OS_MemClr((INT8U *)&OSTmrTbl[0], sizeof(OSTmrTbl));
- OS_MemClr((INT8U *)&OSTmrWheelTbl[0], sizeof(OSTmrWheelTbl));
- for (ix = 0u; ix < (OS_TMR_CFG_MAX - 1u); ix++) {
- ix_next = ix + 1u;
- ptmr1 = &OSTmrTbl[ix];
- ptmr2 = &OSTmrTbl[ix_next];
- ptmr1->OSTmrType = OS_TMR_TYPE;
- ptmr1->OSTmrState = OS_TMR_STATE_UNUSED;
- ptmr1->OSTmrNext = (void *)ptmr2;
- #if OS_TMR_CFG_NAME_EN > 0u
- ptmr1->OSTmrName = (INT8U *)(void *)"?";
- #endif
- }
- ptmr1 = &OSTmrTbl[ix];
- ptmr1->OSTmrType = OS_TMR_TYPE;
- ptmr1->OSTmrState = OS_TMR_STATE_UNUSED;
- ptmr1->OSTmrNext = (void *)0;
- #if OS_TMR_CFG_NAME_EN > 0u
- ptmr1->OSTmrName = (INT8U *)(void *)"?";
- #endif
- OSTmrTime = 0u;
- OSTmrUsed = 0u;
- OSTmrFree = OS_TMR_CFG_MAX;
- OSTmrFreeList = &OSTmrTbl[0];
- OSTmrSem = OSSemCreate(1u);
- OSTmrSemSignal = OSSemCreate(0u);
- #if OS_EVENT_NAME_EN > 0u
- OSEventNameSet(OSTmrSem, (INT8U *)(void *)"uC/OS-II TmrLock", &err);
- OSEventNameSet(OSTmrSemSignal, (INT8U *)(void *)"uC/OS-II TmrSignal", &err);
- #endif
- OSTmr_InitTask();
- }
- #endif
- #if OS_TMR_EN > 0u
- static void OSTmr_InitTask (void)
- {
- #if OS_TASK_NAME_EN > 0u
- INT8U err;
- #endif
- #if OS_TASK_CREATE_EXT_EN > 0u
- #if OS_STK_GROWTH == 1u
- (void)OSTaskCreateExt(OSTmr_Task,
- (void *)0,
- &OSTmrTaskStk[OS_TASK_TMR_STK_SIZE - 1u],
- OS_TASK_TMR_PRIO,
- OS_TASK_TMR_ID,
- &OSTmrTaskStk[0],
- OS_TASK_TMR_STK_SIZE,
- (void *)0,
- OS_TASK_OPT_STK_CHK | OS_TASK_OPT_STK_CLR);
- #else
- (void)OSTaskCreateExt(OSTmr_Task,
- (void *)0,
- &OSTmrTaskStk[0],
- OS_TASK_TMR_PRIO,
- OS_TASK_TMR_ID,
- &OSTmrTaskStk[OS_TASK_TMR_STK_SIZE - 1u],
- OS_TASK_TMR_STK_SIZE,
- (void *)0,
- OS_TASK_OPT_STK_CHK | OS_TASK_OPT_STK_CLR);
- #endif
- #else
- #if OS_STK_GROWTH == 1u
- (void)OSTaskCreate(OSTmr_Task,
- (void *)0,
- &OSTmrTaskStk[OS_TASK_TMR_STK_SIZE - 1u],
- OS_TASK_TMR_PRIO);
- #else
- (void)OSTaskCreate(OSTmr_Task,
- (void *)0,
- &OSTmrTaskStk[0],
- OS_TASK_TMR_PRIO);
- #endif
- #endif
- #if OS_TASK_NAME_EN > 0u
- OSTaskNameSet(OS_TASK_TMR_PRIO, (INT8U *)(void *)"uC/OS-II Tmr", &err);
- #endif
- }
- #endif
- #if OS_TMR_EN > 0u
- static void OSTmr_Link (OS_TMR *ptmr,
- INT8U type)
- {
- OS_TMR *ptmr1;
- OS_TMR_WHEEL *pspoke;
- INT16U spoke;
- ptmr->OSTmrState = OS_TMR_STATE_RUNNING;
- if (type == OS_TMR_LINK_PERIODIC) {
- ptmr->OSTmrMatch = ptmr->OSTmrPeriod + OSTmrTime;
- } else {
- if (ptmr->OSTmrDly == 0u) {
- ptmr->OSTmrMatch = ptmr->OSTmrPeriod + OSTmrTime;
- } else {
- ptmr->OSTmrMatch = ptmr->OSTmrDly + OSTmrTime;
- }
- }
- spoke = (INT16U)(ptmr->OSTmrMatch % OS_TMR_CFG_WHEEL_SIZE);
- pspoke = &OSTmrWheelTbl[spoke];
- if (pspoke->OSTmrFirst == (OS_TMR *)0) {
- pspoke->OSTmrFirst = ptmr;
- ptmr->OSTmrNext = (OS_TMR *)0;
- pspoke->OSTmrEntries = 1u;
- } else {
- ptmr1 = pspoke->OSTmrFirst;
- pspoke->OSTmrFirst = ptmr;
- ptmr->OSTmrNext = (void *)ptmr1;
- ptmr1->OSTmrPrev = (void *)ptmr;
- pspoke->OSTmrEntries++;
- }
- ptmr->OSTmrPrev = (void *)0;
- }
- #endif
- #if OS_TMR_EN > 0u
- static void OSTmr_Unlink (OS_TMR *ptmr)
- {
- OS_TMR *ptmr1;
- OS_TMR *ptmr2;
- OS_TMR_WHEEL *pspoke;
- INT16U spoke;
- spoke = (INT16U)(ptmr->OSTmrMatch % OS_TMR_CFG_WHEEL_SIZE);
- pspoke = &OSTmrWheelTbl[spoke];
- if (pspoke->OSTmrFirst == ptmr) {
- ptmr1 = (OS_TMR *)ptmr->OSTmrNext;
- pspoke->OSTmrFirst = (OS_TMR *)ptmr1;
- if (ptmr1 != (OS_TMR *)0) {
- ptmr1->OSTmrPrev = (void *)0;
- }
- } else {
- ptmr1 = (OS_TMR *)ptmr->OSTmrPrev;
- ptmr2 = (OS_TMR *)ptmr->OSTmrNext;
- ptmr1->OSTmrNext = ptmr2;
- if (ptmr2 != (OS_TMR *)0) {
- ptmr2->OSTmrPrev = (void *)ptmr1;
- }
- }
- ptmr->OSTmrState = OS_TMR_STATE_STOPPED;
- ptmr->OSTmrNext = (void *)0;
- ptmr->OSTmrPrev = (void *)0;
- pspoke->OSTmrEntries--;
- }
- #endif
- #if OS_TMR_EN > 0u
- static void OSTmr_Task (void *p_arg)
- {
- INT8U err;
- OS_TMR *ptmr;
- OS_TMR *ptmr_next;
- OS_TMR_CALLBACK pfnct;
- OS_TMR_WHEEL *pspoke;
- INT16U spoke;
- p_arg = p_arg;
- for (;;) {
- OSSemPend(OSTmrSemSignal, 0u, &err);
- OSSchedLock();
- OSTmrTime++;
- spoke = (INT16U)(OSTmrTime % OS_TMR_CFG_WHEEL_SIZE);
- pspoke = &OSTmrWheelTbl[spoke];
- ptmr = pspoke->OSTmrFirst;
- while (ptmr != (OS_TMR *)0) {
- ptmr_next = (OS_TMR *)ptmr->OSTmrNext;
-
- if (OSTmrTime == ptmr->OSTmrMatch) {
- OSTmr_Unlink(ptmr);
- if (ptmr->OSTmrOpt == OS_TMR_OPT_PERIODIC) {
- OSTmr_Link(ptmr, OS_TMR_LINK_PERIODIC);
- } else {
- ptmr->OSTmrState = OS_TMR_STATE_COMPLETED;
- }
- pfnct = ptmr->OSTmrCallback;
- if (pfnct != (OS_TMR_CALLBACK)0) {
- (*pfnct)((void *)ptmr, ptmr->OSTmrCallbackArg);
- }
- }
- ptmr = ptmr_next;
- }
- OSSchedUnlock();
- }
- }
- #endif
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