Module Rpi.Mtime

module Mtime: sig .. end

Monotonic time.

Mtime gives access to the 64-bit free running system timer counter. Note that this time is independent from the CPU speed.

References

Time spans

type span_us = int64

The type for time spans in unsigned microseconds.

val elapsed_us : unit -> span_us

elapsed () is the number of microseconds elasped since boot time.

val sleep_us : span_us -> unit

sleep_us d blocks and sleeps for d microseconds.

type counter

The type for counters.

val counter : unit -> counter

counter () is a counter counting from call time on.

val counter_value_us : counter -> span_us

counter_value_us c is the current counter value in microseconds.

val s_to_us : int64

s_to_us is the number of microseconds in one second.

val ms_to_us : int64

ms_to_us is the number of microseconds in one millisecond.