TABLE OF CONTENTS

• Overview
• Setting the Real-Time Clock
• Getting the Real-Time Clock

Overview

The Cardshark device includes a real-time clock (RTC) that plays an important role in maintaining accurate system time, even across power cycles. The RTC is available at /dev/rtc0 and is managed through the standard Linux interfaces and APIs designed for real-time clock operations.

This section covers the basic commands required to set and retrieve the RTC values using common Linux utilities.

Setting the Real-Time Clock

To set the real-time clock, use the following command. Adjust the date and time to the desired value:

sudo hwclock --set --date "8/11/2013 23:10:45"

Getting the Real-Time Clock

To display the current value of the real-time clock, use:

sudo hwclock --get