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- #define MICRIUM_SOURCE
- #ifndef OS_MASTER_FILE
- #include <ucos_ii.h>
- #endif
- #if (OS_FLAG_EN > 0u) && (OS_MAX_FLAGS > 0u)
- static void OS_FlagBlock(OS_FLAG_GRP *pgrp, OS_FLAG_NODE *pnode, OS_FLAGS flags, INT8U wait_type, INT32U timeout);
- static BOOLEAN OS_FlagTaskRdy(OS_FLAG_NODE *pnode, OS_FLAGS flags_rdy, INT8U pend_stat);
- #if OS_FLAG_ACCEPT_EN > 0u
- OS_FLAGS OSFlagAccept (OS_FLAG_GRP *pgrp,
- OS_FLAGS flags,
- INT8U wait_type,
- INT8U *perr)
- {
- OS_FLAGS flags_rdy;
- INT8U result;
- BOOLEAN consume;
- #if OS_CRITICAL_METHOD == 3u
- OS_CPU_SR cpu_sr = 0u;
- #endif
- #ifdef OS_SAFETY_CRITICAL
- if (perr == (INT8U *)0) {
- OS_SAFETY_CRITICAL_EXCEPTION();
- return ((OS_FLAGS)0);
- }
- #endif
- #if OS_ARG_CHK_EN > 0u
- if (pgrp == (OS_FLAG_GRP *)0) {
- *perr = OS_ERR_FLAG_INVALID_PGRP;
- return ((OS_FLAGS)0);
- }
- #endif
- if (pgrp->OSFlagType != OS_EVENT_TYPE_FLAG) {
- *perr = OS_ERR_EVENT_TYPE;
- return ((OS_FLAGS)0);
- }
- result = (INT8U)(wait_type & OS_FLAG_CONSUME);
- if (result != (INT8U)0) {
- wait_type &= ~OS_FLAG_CONSUME;
- consume = OS_TRUE;
- } else {
- consume = OS_FALSE;
- }
- *perr = OS_ERR_NONE;
- OS_ENTER_CRITICAL();
- switch (wait_type) {
- case OS_FLAG_WAIT_SET_ALL:
- flags_rdy = (OS_FLAGS)(pgrp->OSFlagFlags & flags);
- if (flags_rdy == flags) {
- if (consume == OS_TRUE) {
- pgrp->OSFlagFlags &= (OS_FLAGS)~flags_rdy;
- }
- } else {
- *perr = OS_ERR_FLAG_NOT_RDY;
- }
- OS_EXIT_CRITICAL();
- break;
- case OS_FLAG_WAIT_SET_ANY:
- flags_rdy = (OS_FLAGS)(pgrp->OSFlagFlags & flags);
- if (flags_rdy != (OS_FLAGS)0) {
- if (consume == OS_TRUE) {
- pgrp->OSFlagFlags &= (OS_FLAGS)~flags_rdy;
- }
- } else {
- *perr = OS_ERR_FLAG_NOT_RDY;
- }
- OS_EXIT_CRITICAL();
- break;
- #if OS_FLAG_WAIT_CLR_EN > 0u
- case OS_FLAG_WAIT_CLR_ALL:
- flags_rdy = (OS_FLAGS)~pgrp->OSFlagFlags & flags;
- if (flags_rdy == flags) {
- if (consume == OS_TRUE) {
- pgrp->OSFlagFlags |= flags_rdy;
- }
- } else {
- *perr = OS_ERR_FLAG_NOT_RDY;
- }
- OS_EXIT_CRITICAL();
- break;
- case OS_FLAG_WAIT_CLR_ANY:
- flags_rdy = (OS_FLAGS)~pgrp->OSFlagFlags & flags;
- if (flags_rdy != (OS_FLAGS)0) {
- if (consume == OS_TRUE) {
- pgrp->OSFlagFlags |= flags_rdy;
- }
- } else {
- *perr = OS_ERR_FLAG_NOT_RDY;
- }
- OS_EXIT_CRITICAL();
- break;
- #endif
- default:
- OS_EXIT_CRITICAL();
- flags_rdy = (OS_FLAGS)0;
- *perr = OS_ERR_FLAG_WAIT_TYPE;
- break;
- }
- return (flags_rdy);
- }
- #endif
- OS_FLAG_GRP *OSFlagCreate (OS_FLAGS flags,
- INT8U *perr)
- {
- OS_FLAG_GRP *pgrp;
- #if OS_CRITICAL_METHOD == 3u
- OS_CPU_SR cpu_sr = 0u;
- #endif
- #ifdef OS_SAFETY_CRITICAL
- if (perr == (INT8U *)0) {
- OS_SAFETY_CRITICAL_EXCEPTION();
- return ((OS_FLAG_GRP *)0);
- }
- #endif
- #ifdef OS_SAFETY_CRITICAL_IEC61508
- if (OSSafetyCriticalStartFlag == OS_TRUE) {
- OS_SAFETY_CRITICAL_EXCEPTION();
- return ((OS_FLAG_GRP *)0);
- }
- #endif
- if (OSIntNesting > 0u) {
- *perr = OS_ERR_CREATE_ISR;
- return ((OS_FLAG_GRP *)0);
- }
- OS_ENTER_CRITICAL();
- pgrp = OSFlagFreeList;
- if (pgrp != (OS_FLAG_GRP *)0) {
-
- OSFlagFreeList = (OS_FLAG_GRP *)OSFlagFreeList->OSFlagWaitList;
- pgrp->OSFlagType = OS_EVENT_TYPE_FLAG;
- pgrp->OSFlagFlags = flags;
- pgrp->OSFlagWaitList = (void *)0;
- #if OS_FLAG_NAME_EN > 0u
- pgrp->OSFlagName = (INT8U *)(void *)"?";
- #endif
- OS_EXIT_CRITICAL();
- *perr = OS_ERR_NONE;
- } else {
- OS_EXIT_CRITICAL();
- *perr = OS_ERR_FLAG_GRP_DEPLETED;
- }
- return (pgrp);
- }
- #if OS_FLAG_DEL_EN > 0u
- OS_FLAG_GRP *OSFlagDel (OS_FLAG_GRP *pgrp,
- INT8U opt,
- INT8U *perr)
- {
- BOOLEAN tasks_waiting;
- OS_FLAG_NODE *pnode;
- OS_FLAG_GRP *pgrp_return;
- #if OS_CRITICAL_METHOD == 3u
- OS_CPU_SR cpu_sr = 0u;
- #endif
- #ifdef OS_SAFETY_CRITICAL
- if (perr == (INT8U *)0) {
- OS_SAFETY_CRITICAL_EXCEPTION();
- return ((OS_FLAG_GRP *)0);
- }
- #endif
- #if OS_ARG_CHK_EN > 0u
- if (pgrp == (OS_FLAG_GRP *)0) {
- *perr = OS_ERR_FLAG_INVALID_PGRP;
- return (pgrp);
- }
- #endif
- if (OSIntNesting > 0u) {
- *perr = OS_ERR_DEL_ISR;
- return (pgrp);
- }
- if (pgrp->OSFlagType != OS_EVENT_TYPE_FLAG) {
- *perr = OS_ERR_EVENT_TYPE;
- return (pgrp);
- }
- OS_ENTER_CRITICAL();
- if (pgrp->OSFlagWaitList != (void *)0) {
- tasks_waiting = OS_TRUE;
- } else {
- tasks_waiting = OS_FALSE;
- }
- switch (opt) {
- case OS_DEL_NO_PEND:
- if (tasks_waiting == OS_FALSE) {
- #if OS_FLAG_NAME_EN > 0u
- pgrp->OSFlagName = (INT8U *)(void *)"?";
- #endif
- pgrp->OSFlagType = OS_EVENT_TYPE_UNUSED;
- pgrp->OSFlagWaitList = (void *)OSFlagFreeList;
- pgrp->OSFlagFlags = (OS_FLAGS)0;
- OSFlagFreeList = pgrp;
- OS_EXIT_CRITICAL();
- *perr = OS_ERR_NONE;
- pgrp_return = (OS_FLAG_GRP *)0;
- } else {
- OS_EXIT_CRITICAL();
- *perr = OS_ERR_TASK_WAITING;
- pgrp_return = pgrp;
- }
- break;
- case OS_DEL_ALWAYS:
- pnode = (OS_FLAG_NODE *)pgrp->OSFlagWaitList;
- while (pnode != (OS_FLAG_NODE *)0) {
- (void)OS_FlagTaskRdy(pnode, (OS_FLAGS)0, OS_STAT_PEND_ABORT);
- pnode = (OS_FLAG_NODE *)pnode->OSFlagNodeNext;
- }
- #if OS_FLAG_NAME_EN > 0u
- pgrp->OSFlagName = (INT8U *)(void *)"?";
- #endif
- pgrp->OSFlagType = OS_EVENT_TYPE_UNUSED;
- pgrp->OSFlagWaitList = (void *)OSFlagFreeList;
- pgrp->OSFlagFlags = (OS_FLAGS)0;
- OSFlagFreeList = pgrp;
- OS_EXIT_CRITICAL();
- if (tasks_waiting == OS_TRUE) {
- OS_Sched();
- }
- *perr = OS_ERR_NONE;
- pgrp_return = (OS_FLAG_GRP *)0;
- break;
- default:
- OS_EXIT_CRITICAL();
- *perr = OS_ERR_INVALID_OPT;
- pgrp_return = pgrp;
- break;
- }
- return (pgrp_return);
- }
- #endif
- #if OS_FLAG_NAME_EN > 0u
- INT8U OSFlagNameGet (OS_FLAG_GRP *pgrp,
- INT8U **pname,
- INT8U *perr)
- {
- INT8U len;
- #if OS_CRITICAL_METHOD == 3u
- OS_CPU_SR cpu_sr = 0u;
- #endif
- #ifdef OS_SAFETY_CRITICAL
- if (perr == (INT8U *)0) {
- OS_SAFETY_CRITICAL_EXCEPTION();
- return (0u);
- }
- #endif
- #if OS_ARG_CHK_EN > 0u
- if (pgrp == (OS_FLAG_GRP *)0) {
- *perr = OS_ERR_FLAG_INVALID_PGRP;
- return (0u);
- }
- if (pname == (INT8U **)0) {
- *perr = OS_ERR_PNAME_NULL;
- return (0u);
- }
- #endif
- if (OSIntNesting > 0u) {
- *perr = OS_ERR_NAME_GET_ISR;
- return (0u);
- }
- OS_ENTER_CRITICAL();
- if (pgrp->OSFlagType != OS_EVENT_TYPE_FLAG) {
- OS_EXIT_CRITICAL();
- *perr = OS_ERR_EVENT_TYPE;
- return (0u);
- }
- *pname = pgrp->OSFlagName;
- len = OS_StrLen(*pname);
- OS_EXIT_CRITICAL();
- *perr = OS_ERR_NONE;
- return (len);
- }
- #endif
- #if OS_FLAG_NAME_EN > 0u
- void OSFlagNameSet (OS_FLAG_GRP *pgrp,
- INT8U *pname,
- INT8U *perr)
- {
- #if OS_CRITICAL_METHOD == 3u
- OS_CPU_SR cpu_sr = 0u;
- #endif
- #ifdef OS_SAFETY_CRITICAL
- if (perr == (INT8U *)0) {
- OS_SAFETY_CRITICAL_EXCEPTION();
- return;
- }
- #endif
- #if OS_ARG_CHK_EN > 0u
- if (pgrp == (OS_FLAG_GRP *)0) {
- *perr = OS_ERR_FLAG_INVALID_PGRP;
- return;
- }
- if (pname == (INT8U *)0) {
- *perr = OS_ERR_PNAME_NULL;
- return;
- }
- #endif
- if (OSIntNesting > 0u) {
- *perr = OS_ERR_NAME_SET_ISR;
- return;
- }
- OS_ENTER_CRITICAL();
- if (pgrp->OSFlagType != OS_EVENT_TYPE_FLAG) {
- OS_EXIT_CRITICAL();
- *perr = OS_ERR_EVENT_TYPE;
- return;
- }
- pgrp->OSFlagName = pname;
- OS_EXIT_CRITICAL();
- *perr = OS_ERR_NONE;
- return;
- }
- #endif
- OS_FLAGS OSFlagPend (OS_FLAG_GRP *pgrp,
- OS_FLAGS flags,
- INT8U wait_type,
- INT32U timeout,
- INT8U *perr)
- {
- OS_FLAG_NODE node;
- OS_FLAGS flags_rdy;
- INT8U result;
- INT8U pend_stat;
- BOOLEAN consume;
- #if OS_CRITICAL_METHOD == 3u
- OS_CPU_SR cpu_sr = 0u;
- #endif
- #ifdef OS_SAFETY_CRITICAL
- if (perr == (INT8U *)0) {
- OS_SAFETY_CRITICAL_EXCEPTION();
- return ((OS_FLAGS)0);
- }
- #endif
- #if OS_ARG_CHK_EN > 0u
- if (pgrp == (OS_FLAG_GRP *)0) {
- *perr = OS_ERR_FLAG_INVALID_PGRP;
- return ((OS_FLAGS)0);
- }
- #endif
- if (OSIntNesting > 0u) {
- *perr = OS_ERR_PEND_ISR;
- return ((OS_FLAGS)0);
- }
- if (OSLockNesting > 0u) {
- *perr = OS_ERR_PEND_LOCKED;
- return ((OS_FLAGS)0);
- }
- if (pgrp->OSFlagType != OS_EVENT_TYPE_FLAG) {
- *perr = OS_ERR_EVENT_TYPE;
- return ((OS_FLAGS)0);
- }
- result = (INT8U)(wait_type & OS_FLAG_CONSUME);
- if (result != (INT8U)0) {
- wait_type &= (INT8U)~(INT8U)OS_FLAG_CONSUME;
- consume = OS_TRUE;
- } else {
- consume = OS_FALSE;
- }
- OS_ENTER_CRITICAL();
- switch (wait_type) {
- case OS_FLAG_WAIT_SET_ALL:
- flags_rdy = (OS_FLAGS)(pgrp->OSFlagFlags & flags);
- if (flags_rdy == flags) {
- if (consume == OS_TRUE) {
- pgrp->OSFlagFlags &= (OS_FLAGS)~flags_rdy;
- }
- OSTCBCur->OSTCBFlagsRdy = flags_rdy;
- OS_EXIT_CRITICAL();
- *perr = OS_ERR_NONE;
- return (flags_rdy);
- } else {
- OS_FlagBlock(pgrp, &node, flags, wait_type, timeout);
- OS_EXIT_CRITICAL();
- }
- break;
- case OS_FLAG_WAIT_SET_ANY:
- flags_rdy = (OS_FLAGS)(pgrp->OSFlagFlags & flags);
- if (flags_rdy != (OS_FLAGS)0) {
- if (consume == OS_TRUE) {
- pgrp->OSFlagFlags &= (OS_FLAGS)~flags_rdy;
- }
- OSTCBCur->OSTCBFlagsRdy = flags_rdy;
- OS_EXIT_CRITICAL();
- *perr = OS_ERR_NONE;
- return (flags_rdy);
- } else {
- OS_FlagBlock(pgrp, &node, flags, wait_type, timeout);
- OS_EXIT_CRITICAL();
- }
- break;
- #if OS_FLAG_WAIT_CLR_EN > 0u
- case OS_FLAG_WAIT_CLR_ALL:
- flags_rdy = (OS_FLAGS)~pgrp->OSFlagFlags & flags;
- if (flags_rdy == flags) {
- if (consume == OS_TRUE) {
- pgrp->OSFlagFlags |= flags_rdy;
- }
- OSTCBCur->OSTCBFlagsRdy = flags_rdy;
- OS_EXIT_CRITICAL();
- *perr = OS_ERR_NONE;
- return (flags_rdy);
- } else {
- OS_FlagBlock(pgrp, &node, flags, wait_type, timeout);
- OS_EXIT_CRITICAL();
- }
- break;
- case OS_FLAG_WAIT_CLR_ANY:
- flags_rdy = (OS_FLAGS)~pgrp->OSFlagFlags & flags;
- if (flags_rdy != (OS_FLAGS)0) {
- if (consume == OS_TRUE) {
- pgrp->OSFlagFlags |= flags_rdy;
- }
- OSTCBCur->OSTCBFlagsRdy = flags_rdy;
- OS_EXIT_CRITICAL();
- *perr = OS_ERR_NONE;
- return (flags_rdy);
- } else {
- OS_FlagBlock(pgrp, &node, flags, wait_type, timeout);
- OS_EXIT_CRITICAL();
- }
- break;
- #endif
- default:
- OS_EXIT_CRITICAL();
- flags_rdy = (OS_FLAGS)0;
- *perr = OS_ERR_FLAG_WAIT_TYPE;
- return (flags_rdy);
- }
- OS_Sched();
- OS_ENTER_CRITICAL();
- if (OSTCBCur->OSTCBStatPend != OS_STAT_PEND_OK) {
- pend_stat = OSTCBCur->OSTCBStatPend;
- OSTCBCur->OSTCBStatPend = OS_STAT_PEND_OK;
- OS_FlagUnlink(&node);
- OSTCBCur->OSTCBStat = OS_STAT_RDY;
- OS_EXIT_CRITICAL();
- flags_rdy = (OS_FLAGS)0;
- switch (pend_stat) {
- case OS_STAT_PEND_ABORT:
- *perr = OS_ERR_PEND_ABORT;
- break;
- case OS_STAT_PEND_TO:
- default:
- *perr = OS_ERR_TIMEOUT;
- break;
- }
- return (flags_rdy);
- }
- flags_rdy = OSTCBCur->OSTCBFlagsRdy;
- if (consume == OS_TRUE) {
- switch (wait_type) {
- case OS_FLAG_WAIT_SET_ALL:
- case OS_FLAG_WAIT_SET_ANY:
- pgrp->OSFlagFlags &= (OS_FLAGS)~flags_rdy;
- break;
- #if OS_FLAG_WAIT_CLR_EN > 0u
- case OS_FLAG_WAIT_CLR_ALL:
- case OS_FLAG_WAIT_CLR_ANY:
- pgrp->OSFlagFlags |= flags_rdy;
- break;
- #endif
- default:
- OS_EXIT_CRITICAL();
- *perr = OS_ERR_FLAG_WAIT_TYPE;
- return ((OS_FLAGS)0);
- }
- }
- OS_EXIT_CRITICAL();
- *perr = OS_ERR_NONE;
- return (flags_rdy);
- }
- OS_FLAGS OSFlagPendGetFlagsRdy (void)
- {
- OS_FLAGS flags;
- #if OS_CRITICAL_METHOD == 3u
- OS_CPU_SR cpu_sr = 0u;
- #endif
- OS_ENTER_CRITICAL();
- flags = OSTCBCur->OSTCBFlagsRdy;
- OS_EXIT_CRITICAL();
- return (flags);
- }
- OS_FLAGS OSFlagPost (OS_FLAG_GRP *pgrp,
- OS_FLAGS flags,
- INT8U opt,
- INT8U *perr)
- {
- OS_FLAG_NODE *pnode;
- BOOLEAN sched;
- OS_FLAGS flags_cur;
- OS_FLAGS flags_rdy;
- BOOLEAN rdy;
- #if OS_CRITICAL_METHOD == 3u
- OS_CPU_SR cpu_sr = 0u;
- #endif
- #ifdef OS_SAFETY_CRITICAL
- if (perr == (INT8U *)0) {
- OS_SAFETY_CRITICAL_EXCEPTION();
- return ((OS_FLAGS)0);
- }
- #endif
- #if OS_ARG_CHK_EN > 0u
- if (pgrp == (OS_FLAG_GRP *)0) {
- *perr = OS_ERR_FLAG_INVALID_PGRP;
- return ((OS_FLAGS)0);
- }
- #endif
- if (pgrp->OSFlagType != OS_EVENT_TYPE_FLAG) {
- *perr = OS_ERR_EVENT_TYPE;
- return ((OS_FLAGS)0);
- }
- OS_ENTER_CRITICAL();
- switch (opt) {
- case OS_FLAG_CLR:
- pgrp->OSFlagFlags &= (OS_FLAGS)~flags;
- break;
- case OS_FLAG_SET:
- pgrp->OSFlagFlags |= flags;
- break;
- default:
- OS_EXIT_CRITICAL();
- *perr = OS_ERR_FLAG_INVALID_OPT;
- return ((OS_FLAGS)0);
- }
- sched = OS_FALSE;
- pnode = (OS_FLAG_NODE *)pgrp->OSFlagWaitList;
- while (pnode != (OS_FLAG_NODE *)0) {
- switch (pnode->OSFlagNodeWaitType) {
- case OS_FLAG_WAIT_SET_ALL:
- flags_rdy = (OS_FLAGS)(pgrp->OSFlagFlags & pnode->OSFlagNodeFlags);
- if (flags_rdy == pnode->OSFlagNodeFlags) {
- rdy = OS_FlagTaskRdy(pnode, flags_rdy, OS_STAT_PEND_OK);
- if (rdy == OS_TRUE) {
- sched = OS_TRUE;
- }
- }
- break;
- case OS_FLAG_WAIT_SET_ANY:
- flags_rdy = (OS_FLAGS)(pgrp->OSFlagFlags & pnode->OSFlagNodeFlags);
- if (flags_rdy != (OS_FLAGS)0) {
- rdy = OS_FlagTaskRdy(pnode, flags_rdy, OS_STAT_PEND_OK);
- if (rdy == OS_TRUE) {
- sched = OS_TRUE;
- }
- }
- break;
- #if OS_FLAG_WAIT_CLR_EN > 0u
- case OS_FLAG_WAIT_CLR_ALL:
- flags_rdy = (OS_FLAGS)~pgrp->OSFlagFlags & pnode->OSFlagNodeFlags;
- if (flags_rdy == pnode->OSFlagNodeFlags) {
- rdy = OS_FlagTaskRdy(pnode, flags_rdy, OS_STAT_PEND_OK);
- if (rdy == OS_TRUE) {
- sched = OS_TRUE;
- }
- }
- break;
- case OS_FLAG_WAIT_CLR_ANY:
- flags_rdy = (OS_FLAGS)~pgrp->OSFlagFlags & pnode->OSFlagNodeFlags;
- if (flags_rdy != (OS_FLAGS)0) {
- rdy = OS_FlagTaskRdy(pnode, flags_rdy, OS_STAT_PEND_OK);
- if (rdy == OS_TRUE) {
- sched = OS_TRUE;
- }
- }
- break;
- #endif
- default:
- OS_EXIT_CRITICAL();
- *perr = OS_ERR_FLAG_WAIT_TYPE;
- return ((OS_FLAGS)0);
- }
- pnode = (OS_FLAG_NODE *)pnode->OSFlagNodeNext;
- }
- OS_EXIT_CRITICAL();
- if (sched == OS_TRUE) {
- OS_Sched();
- }
- OS_ENTER_CRITICAL();
- flags_cur = pgrp->OSFlagFlags;
- OS_EXIT_CRITICAL();
- *perr = OS_ERR_NONE;
- return (flags_cur);
- }
- #if OS_FLAG_QUERY_EN > 0u
- OS_FLAGS OSFlagQuery (OS_FLAG_GRP *pgrp,
- INT8U *perr)
- {
- OS_FLAGS flags;
- #if OS_CRITICAL_METHOD == 3u
- OS_CPU_SR cpu_sr = 0u;
- #endif
- #ifdef OS_SAFETY_CRITICAL
- if (perr == (INT8U *)0) {
- OS_SAFETY_CRITICAL_EXCEPTION();
- return ((OS_FLAGS)0);
- }
- #endif
- #if OS_ARG_CHK_EN > 0u
- if (pgrp == (OS_FLAG_GRP *)0) {
- *perr = OS_ERR_FLAG_INVALID_PGRP;
- return ((OS_FLAGS)0);
- }
- #endif
- if (pgrp->OSFlagType != OS_EVENT_TYPE_FLAG) {
- *perr = OS_ERR_EVENT_TYPE;
- return ((OS_FLAGS)0);
- }
- OS_ENTER_CRITICAL();
- flags = pgrp->OSFlagFlags;
- OS_EXIT_CRITICAL();
- *perr = OS_ERR_NONE;
- return (flags);
- }
- #endif
- static void OS_FlagBlock (OS_FLAG_GRP *pgrp,
- OS_FLAG_NODE *pnode,
- OS_FLAGS flags,
- INT8U wait_type,
- INT32U timeout)
- {
- OS_FLAG_NODE *pnode_next;
- INT8U y;
- OSTCBCur->OSTCBStat |= OS_STAT_FLAG;
- OSTCBCur->OSTCBStatPend = OS_STAT_PEND_OK;
- OSTCBCur->OSTCBDly = timeout;
- #if OS_TASK_DEL_EN > 0u
- OSTCBCur->OSTCBFlagNode = pnode;
- #endif
- pnode->OSFlagNodeFlags = flags;
- pnode->OSFlagNodeWaitType = wait_type;
- pnode->OSFlagNodeTCB = (void *)OSTCBCur;
- pnode->OSFlagNodeNext = pgrp->OSFlagWaitList;
- pnode->OSFlagNodePrev = (void *)0;
- pnode->OSFlagNodeFlagGrp = (void *)pgrp;
- pnode_next = (OS_FLAG_NODE *)pgrp->OSFlagWaitList;
- if (pnode_next != (void *)0) {
- pnode_next->OSFlagNodePrev = pnode;
- }
- pgrp->OSFlagWaitList = (void *)pnode;
- y = OSTCBCur->OSTCBY;
- OSRdyTbl[y] &= (OS_PRIO)~OSTCBCur->OSTCBBitX;
- if (OSRdyTbl[y] == 0x00u) {
- OSRdyGrp &= (OS_PRIO)~OSTCBCur->OSTCBBitY;
- }
- }
- void OS_FlagInit (void)
- {
- #if OS_MAX_FLAGS == 1u
- OSFlagFreeList = (OS_FLAG_GRP *)&OSFlagTbl[0];
- OSFlagFreeList->OSFlagType = OS_EVENT_TYPE_UNUSED;
- OSFlagFreeList->OSFlagWaitList = (void *)0;
- OSFlagFreeList->OSFlagFlags = (OS_FLAGS)0;
- #if OS_FLAG_NAME_EN > 0u
- OSFlagFreeList->OSFlagName = (INT8U *)"?";
- #endif
- #endif
- #if OS_MAX_FLAGS >= 2u
- INT16U ix;
- INT16U ix_next;
- OS_FLAG_GRP *pgrp1;
- OS_FLAG_GRP *pgrp2;
- OS_MemClr((INT8U *)&OSFlagTbl[0], sizeof(OSFlagTbl));
- for (ix = 0u; ix < (OS_MAX_FLAGS - 1u); ix++) {
- ix_next = ix + 1u;
- pgrp1 = &OSFlagTbl[ix];
- pgrp2 = &OSFlagTbl[ix_next];
- pgrp1->OSFlagType = OS_EVENT_TYPE_UNUSED;
- pgrp1->OSFlagWaitList = (void *)pgrp2;
- #if OS_FLAG_NAME_EN > 0u
- pgrp1->OSFlagName = (INT8U *)(void *)"?";
- #endif
- }
- pgrp1 = &OSFlagTbl[ix];
- pgrp1->OSFlagType = OS_EVENT_TYPE_UNUSED;
- pgrp1->OSFlagWaitList = (void *)0;
- #if OS_FLAG_NAME_EN > 0u
- pgrp1->OSFlagName = (INT8U *)(void *)"?";
- #endif
- OSFlagFreeList = &OSFlagTbl[0];
- #endif
- }
- static BOOLEAN OS_FlagTaskRdy (OS_FLAG_NODE *pnode,
- OS_FLAGS flags_rdy,
- INT8U pend_stat)
- {
- OS_TCB *ptcb;
- BOOLEAN sched;
- ptcb = (OS_TCB *)pnode->OSFlagNodeTCB;
- ptcb->OSTCBDly = 0u;
- ptcb->OSTCBFlagsRdy = flags_rdy;
- ptcb->OSTCBStat &= (INT8U)~(INT8U)OS_STAT_FLAG;
- ptcb->OSTCBStatPend = pend_stat;
- if (ptcb->OSTCBStat == OS_STAT_RDY) {
- OSRdyGrp |= ptcb->OSTCBBitY;
- OSRdyTbl[ptcb->OSTCBY] |= ptcb->OSTCBBitX;
- sched = OS_TRUE;
- } else {
- sched = OS_FALSE;
- }
- OS_FlagUnlink(pnode);
- return (sched);
- }
- void OS_FlagUnlink (OS_FLAG_NODE *pnode)
- {
- #if OS_TASK_DEL_EN > 0u
- OS_TCB *ptcb;
- #endif
- OS_FLAG_GRP *pgrp;
- OS_FLAG_NODE *pnode_prev;
- OS_FLAG_NODE *pnode_next;
- pnode_prev = (OS_FLAG_NODE *)pnode->OSFlagNodePrev;
- pnode_next = (OS_FLAG_NODE *)pnode->OSFlagNodeNext;
- if (pnode_prev == (OS_FLAG_NODE *)0) {
- pgrp = (OS_FLAG_GRP *)pnode->OSFlagNodeFlagGrp;
- pgrp->OSFlagWaitList = (void *)pnode_next;
- if (pnode_next != (OS_FLAG_NODE *)0) {
- pnode_next->OSFlagNodePrev = (OS_FLAG_NODE *)0;
- }
- } else {
- pnode_prev->OSFlagNodeNext = pnode_next;
- if (pnode_next != (OS_FLAG_NODE *)0) {
- pnode_next->OSFlagNodePrev = pnode_prev;
- }
- }
- #if OS_TASK_DEL_EN > 0u
- ptcb = (OS_TCB *)pnode->OSFlagNodeTCB;
- ptcb->OSTCBFlagNode = (OS_FLAG_NODE *)0;
- #endif
- }
- #endif
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