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Chapter 5
.MsgQPendTimeMax
This field contains the maximum amount of time it takes for a message to arrive. It is a peak
detector of the value of .MsgQPendTime . The peak can be reset by calling OSStatReset() .
This field is only available if setting OS_CFG_TASK_PROFILE_EN to 1 in OS_CFG.H .
.FlagsPend
When a task pends on event flags, this field contains the event flags (i.e., bits) that the task
is pending on. This field only exists in a TCB if event flags services are enabled at compile
time ( OS_CFG_FLAG_EN is set to 1 in OS_CFG.H ).
.FlagsOpt
When a task pends on event flags, this field contains the type of pend (pend on any event
flag bit specified in .FlagsPend or all event flag bits specified in .FlagsPend ). This field
only exists in a TCB if event flags services are enabled at compile time ( OS_CFG_FLAG_EN is
set to 1 in OS_CFG.H ).
.FlagsRdy
This field contains the event flags that were posted and that the task was waiting on. In
other words, it allows a task to know which event flags made the task ready to run. This
field only exists in a TCB if event flags services are enabled at compile time
( OS_CFG_FLAG_EN is set to 1 in OS_CFG.H ).
.RegTbl[]
This field contains a table of “registers” that are task-specific. These registers are different than
CPU registers. Task registers allow for the storage of such task-specific information as task ID,
“ errno ” common in some software components, and more. Task registers may also store
task-related data that needs to be associated with the task at run time. Note that the data type for
elements of this array is OS_REG , which can be declared at compile time to be nearly anything.
However, all registers must be of this data type. This field only exists in a TCB if task registers
are enabled at compile time ( OS_CFG_TASK_REG_TBL_SIZE is greater than 0 in OS_CFG.H ).
.SemCtr
This field contains a semaphore counter associated with the task. Each task has its own semaphore
built-in. An ISR or another task can signal a task using this semaphore. .SemCtr is therefore used to
keep track of how many times the task is signaled. .SemCtr is used by OSTaskSem???() services.
102
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