A pulse ID as generated by IP_PulseNew.
Seconds of delay prior to the first timer expiry.
Nanoseconds of delay prior to the first timer expiry.
Seconds of delay for subsequent timing intervals.
Nanoseconds of delay for subsequent timing intervals.
This function causes a pulse to be triggered after a given number of init_sec + init_nsec, and then to trigger on a regular interval every interval_sec + interval_nsec thereafter.