void OS_TickListUpdate (void)
{
CPU_BOOLEAN done;
OS_TICK_SPOKE *p_spoke;
OS_TCB *p_tcb;
OS_TCB *p_tcb_next;
OS_TICK_SPOKE_IX spoke;
CPU_TS ts_start;
CPU_TS ts_end;
CPU_SR_ALLOC();
OS_CRITICAL_ENTER();
ts_start = OS_TS_GET();
OSTickCtr++; /* Keep track of the number of ticks */
spoke = (OS_TICK_SPOKE_IX)(OSTickCtr % OSCfg_TickWheelSize);
p_spoke = &OSCfg_TickWheel[spoke];
p_tcb = p_spoke->FirstPtr;
done = DEF_FALSE;
while (done == DEF_FALSE) {
if (p_tcb != (OS_TCB *)0) {
p_tcb_next = p_tcb->TickNextPtr; /* Point to next TCB to update */
switch (p_tcb->TaskState) {
case OS_TASK_STATE_RDY:
case OS_TASK_STATE_PEND:
case OS_TASK_STATE_SUSPENDED:
case OS_TASK_STATE_PEND_SUSPENDED:
break;
case OS_TASK_STATE_DLY:
p_tcb->TickRemain = p_tcb->TickCtrMatch /* Compute time remaining of current TCB */
- OSTickCtr;
if (OSTickCtr == p_tcb->TickCtrMatch) { /* Process each TCB that expires */
p_tcb->TaskState = OS_TASK_STATE_RDY;
OS_TaskRdy(p_tcb); /* Make task ready to run */
} else {
done = DEF_TRUE; /* Don't find a match, we're done! */
}
break;
case OS_TASK_STATE_PEND_TIMEOUT:
p_tcb->TickRemain = p_tcb->TickCtrMatch /* Compute time remaining of current TCB */
- OSTickCtr;
if (OSTickCtr == p_tcb->TickCtrMatch) { /* Process each TCB that expires */
#if (OS_MSG_EN > 0u)
p_tcb->MsgPtr = (void *)0;
p_tcb->MsgSize = (OS_MSG_SIZE)0u;
#endif
p_tcb->TS = OS_TS_GET();
OS_PendListRemove(p_tcb); /* Remove from wait list */
OS_TaskRdy(p_tcb);
p_tcb->TaskState = OS_TASK_STATE_RDY;
p_tcb->PendStatus = OS_STATUS_PEND_TIMEOUT; /* Indicate pend timed out */
p_tcb->PendOn = OS_TASK_PEND_ON_NOTHING; /* Indicate no longer pending */
} else {
done = DEF_TRUE; /* Don't find a match, we're done! */
}
break;
case OS_TASK_STATE_DLY_SUSPENDED:
p_tcb->TickRemain = p_tcb->TickCtrMatch /* Compute time remaining of current TCB */
- OSTickCtr;
if (OSTickCtr == p_tcb->TickCtrMatch) { /* Process each TCB that expires */
p_tcb->TaskState = OS_TASK_STATE_SUSPENDED;
OS_TickListRemove(p_tcb); /* Remove from current wheel spoke */
} else {
done = DEF_TRUE; /* Don't find a match, we're done! */
}
break;
case OS_TASK_STATE_PEND_TIMEOUT_SUSPENDED:
p_tcb->TickRemain = p_tcb->TickCtrMatch /* Compute time remaining of current TCB */
- OSTickCtr;
if (OSTickCtr == p_tcb->TickCtrMatch) { /* Process each TCB that expires */
#if (OS_MSG_EN > 0u)
p_tcb->MsgPtr = (void *)0;
p_tcb->MsgSize = (OS_MSG_SIZE)0u;
#endif
p_tcb->TS = OS_TS_GET();
OS_PendListRemove(p_tcb); /* Remove from wait list */
OS_TickListRemove(p_tcb); /* Remove from current wheel spoke */
p_tcb->TaskState = OS_TASK_STATE_SUSPENDED;
p_tcb->PendStatus = OS_STATUS_PEND_TIMEOUT; /* Indicate pend timed out */
p_tcb->PendOn = OS_TASK_PEND_ON_NOTHING; /* Indicate no longer pending */
} else {
done = DEF_TRUE; /* Don't find a match, we're done! */
}
break;
default:
break;
}
p_tcb = p_tcb_next;
} else {
done = DEF_TRUE;
}
}
ts_end = OS_TS_GET() - ts_start; /* Measure execution time of tick task */
if (ts_end > OSTickTaskTimeMax) {
OSTickTaskTimeMax = ts_end;
}
OS_CRITICAL_EXIT();
}
static CPU_TS OS_TickListUpdateTimeout (void)
{
OS_TCB *p_tcb;
OS_TICK_LIST *p_list;
CPU_TS ts_start;
CPU_TS ts_delta_timeout;
#if OS_CFG_DBG_EN > 0u
OS_OBJ_QTY nbr_updated;
#endif
CPU_SR_ALLOC();
OS_CRITICAL_ENTER(); /* ======= UPDATE TASKS WAITING WITH TIMEOUT ======= */
ts_start = OS_TS_GET();
#if OS_CFG_DBG_EN > 0u
nbr_updated = (OS_OBJ_QTY)0u;
#endif
p_list = &OSTickListTimeout;
p_tcb = p_list->TCB_Ptr;
if (p_tcb != (OS_TCB *)0) {
p_tcb->TickRemain--;
while (p_tcb->TickRemain == 0u) {
#if OS_CFG_DBG_EN > 0u
nbr_updated++;
#endif
if (p_tcb->TaskState == OS_TASK_STATE_PEND_TIMEOUT) {
#if (OS_MSG_EN > 0u)
p_tcb->MsgPtr = (void *)0;
p_tcb->MsgSize = (OS_MSG_SIZE)0u;
#endif
p_tcb->TS = OS_TS_GET();
OS_PendListRemove(p_tcb); /* Remove from wait list */
OS_RdyListInsert(p_tcb); /* Insert the task in the ready list */
p_tcb->TaskState = OS_TASK_STATE_RDY;
p_tcb->PendStatus = OS_STATUS_PEND_TIMEOUT; /* Indicate pend timed out */
p_tcb->PendOn = OS_TASK_PEND_ON_NOTHING; /* Indicate no longer pending */
} else if (p_tcb->TaskState == OS_TASK_STATE_PEND_TIMEOUT_SUSPENDED) {
#if (OS_MSG_EN > 0u)
p_tcb->MsgPtr = (void *)0;
p_tcb->MsgSize = (OS_MSG_SIZE)0u;
#endif
p_tcb->TS = OS_TS_GET();
OS_PendListRemove(p_tcb); /* Remove from wait list */
p_tcb->TaskState = OS_TASK_STATE_SUSPENDED;
p_tcb->PendStatus = OS_STATUS_PEND_TIMEOUT; /* Indicate pend timed out */
p_tcb->PendOn = OS_TASK_PEND_ON_NOTHING; /* Indicate no longer pending */
}
p_list->TCB_Ptr = p_tcb->TickNextPtr;
p_tcb = p_list->TCB_Ptr; /* Get 'p_tcb' again for loop */
if (p_tcb == (OS_TCB *)0) {
#if OS_CFG_DBG_EN > 0u
p_list->NbrEntries = (OS_OBJ_QTY)0u;
#endif
break;
} else {
#if OS_CFG_DBG_EN > 0u
p_list->NbrEntries--;
#endif
p_tcb->TickPrevPtr = (OS_TCB *)0;
}
}
}
#if OS_CFG_DBG_EN > 0u
p_list->NbrUpdated = nbr_updated;
#endif
ts_delta_timeout = OS_TS_GET() - ts_start; /* Measure execution time of the update */
OS_CRITICAL_EXIT(); /* ------------------------------------------------- */
return (ts_delta_timeout);
}
static CPU_TS OS_TickListUpdateTimeout (void)
{
OS_TCB *p_tcb;
OS_TICK_LIST *p_list;
CPU_TS ts_start;
CPU_TS ts_delta_timeout;
#if OS_CFG_DBG_EN > 0u
OS_OBJ_QTY nbr_updated;
#endif
#if OS_CFG_MUTEX_EN > 0u
OS_TCB *p_tcb_owner;
OS_PRIO prio_new;
#endif
CPU_SR_ALLOC();
OS_CRITICAL_ENTER(); /* ======= UPDATE TASKS WAITING WITH TIMEOUT ======= */
ts_start = OS_TS_GET();
#if OS_CFG_DBG_EN > 0u
nbr_updated = (OS_OBJ_QTY)0u;
#endif
p_list = &OSTickListTimeout;
p_tcb = p_list->TCB_Ptr;
if (p_tcb != (OS_TCB *)0) {
p_tcb->TickRemain--;
while (p_tcb->TickRemain == 0u) {
#if OS_CFG_DBG_EN > 0u
nbr_updated++;
#endif
#if OS_CFG_MUTEX_EN > 0u
p_tcb_owner = (OS_TCB *)0;
if (p_tcb->PendOn == OS_TASK_PEND_ON_MUTEX) {
p_tcb_owner = ((OS_MUTEX *)p_tcb->PendDataTblPtr->PendObjPtr)->OwnerTCBPtr;
}
#endif
#if (OS_MSG_EN > 0u)
p_tcb->MsgPtr = (void *)0;
p_tcb->MsgSize = (OS_MSG_SIZE)0u;
#endif
p_tcb->TS = OS_TS_GET();
OS_PendListRemove(p_tcb); /* Remove from wait list */
if (p_tcb->TaskState == OS_TASK_STATE_PEND_TIMEOUT) {
OS_RdyListInsert(p_tcb); /* Insert the task in the ready list */
p_tcb->TaskState = OS_TASK_STATE_RDY;
} else if (p_tcb->TaskState == OS_TASK_STATE_PEND_TIMEOUT_SUSPENDED) {
p_tcb->TaskState = OS_TASK_STATE_SUSPENDED;
}
p_tcb->PendStatus = OS_STATUS_PEND_TIMEOUT; /* Indicate pend timed out */
p_tcb->PendOn = OS_TASK_PEND_ON_NOTHING; /* Indicate no longer pending */
#if OS_CFG_MUTEX_EN > 0u
if(p_tcb_owner != (OS_TCB *)0) {
if ((p_tcb_owner->Prio != p_tcb_owner->BasePrio) &&
(p_tcb_owner->Prio == p_tcb->Prio)) { /* Has the owner inherited a priority? */
prio_new = OS_MutexGrpPrioFindHighest(p_tcb_owner);
prio_new = prio_new > p_tcb_owner->BasePrio ? p_tcb_owner->BasePrio : prio_new;
if(prio_new != p_tcb_owner->Prio) {
OS_TaskChangePrio(p_tcb_owner, prio_new);
#if (defined(TRACE_CFG_EN) && (TRACE_CFG_EN > 0u))
TRACE_OS_MUTEX_TASK_PRIO_DISINHERIT(p_tcb_owner, p_tcb_owner->Prio)
#endif
}
}
}