Part LX. Common Clock Services

Table of Contents

204. Overview

204.1. Introduction

204.2. Functionality

204.3. Concepts and structure

205. Dependencies

205.1. HAL

205.2. Kernel

205.3. Wallclock (RTC)

205.4. C library and POSIX layers

206. Configuration

207. API reference

cyg_clock_get_systime() — Retrieve the current system time

cyg_clock_get_systime_res — Obtain the resolution of the system clock

cyg_clock_set_systime() — Sets the system clock to the supplied time

cyg_clock_sync_wallclock() — Force the wallclock to be updated from system time

cyg_clock_adjust_systime() — Adjust the system time

Time change notification — Registering and deregistering for notification of changes to system time

cyg_clock_sysclock_handle() — Return a handle to the system clock

Time conversions — Converting between clock ticks and calendar time