...
is a pointer to a variable used to hold an error code:
OS_ERR_NONE
if the count was changed or, not changed, because one or more tasks was waiting on the semaphore.
OS_ERR_OBJ_PTR_NULL
if OS_CFG_ARG_CHK_EN
is set to 1
in os_cfg.h
: if p_sem
is a NULL
pointer.
OS_ERR_OBJ_TYPE
if OS_CFG_OBJ_TYPE_CHK_EN
is set to 1
in os_cfg.h
: if p_sem
is not pointing to a semaphore.
OS_ERR_SET_ISR
if OS_CFG_CALLED_FROM_ISR_CHK_EN
set to 1
in os_cfg.h
: if this function was called from an ISR.
OS_ERR_TASK_WAITING
if tasks are waiting on the semaphore.
Returned Value
None
Notes/Warnings
...