OS_SEM_CTR OSTaskSemSet (OS_TCB *p_tcb,
OS_SEM_CTR cnt;
OS_ERR *p_err)
File |
Called from |
Code enabled by |
---|---|---|
|
Task or ISR |
Always Enabled |
OSTaskSemSet()
allows the user to set the value of the task’s signal counter. You would set the signal counter of the calling task by passing a NULL
pointer for p_tcb
.
Arguments
p_tcb
is a pointer to the task’s OS_TCB
to clear the signal counter. A NULL
pointer indicates that the user wants to clear the caller’s signal counter.
cnt
the desired value for the task semaphore counter.
p_err
is a pointer to a variable that will contain an error code returned by this function.
OS_ERR_NONE
if the call was successful and the signal counter was cleared.
OS_ERR_SET_ISR
if OS_CFG_CALLED_FROM_ISR_CHK_EN
set to 1
in os_cfg.h
: if calling this function from an ISR
Returned Value
The value of the signal counter prior to setting it.
Notes/Warnings
None