Function pomp_timer_set_periodic 

pub unsafe extern "C" fn pomp_timer_set_periodic(
    timer: *mut pomp_timer,
    delay: u32,
    period: u32,
) -> c_int

Set a periodic timer. @param timer : timer to set. @param delay : initial expiration delay in milliseconds. @param period : period in milliseconds. @return 0 in case of success, negative errno value in case of error.