Part LIX. Common Clock Services

Table of Contents

199. Overview

199.1. Introduction

199.2. Functionality

199.3. Concepts and structure

200. Dependencies

200.1. HAL

200.2. Kernel

200.3. Wallclock (RTC)

200.4. C library and POSIX layers

201. Configuration

202. 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