RTEMS C User's Guide
When a timer is created, RTEMS generates a unique
timer ID and assigns it to the created timer until it is
deleted. The timer ID may be obtained by either of two methods.
First, as the result of an invocation of the
rtems_timer_create
directive, the timer ID is stored in a user provided location.
Second, the timer ID may be obtained later using the
rtems_timer_ident directive. The timer ID
is used by other directives to manipulate this timer.
RTEMS C User's Guide
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