Time Client Interface Quick Start

Introduction

The Time client interface is used when communicating with the +Real Time Clock (RTC). This client interface can be used to check +that the RTC is working correctly, maintain its request queue and +to set/reset the wake-up alarm.

Time +client interface limitations

None

Adaptation +dependencies

None

Time +client interface classes

The following classes provide the +RTC interface:

+ + + +

Name

Description

+ + +

MRtcAdaptation

Provides the interface between the Real Time Clock (RTC) +and the upper layers of the OS.

+ + +

ASIC

Provides an interface to the Application Specific Integrated +Circuit (ASIC) that is being used.

+ + + +

The functionality provided by this class, can be split +into the following groups:

Diagnostics
Management of the wake-up alarm
Request management
Set and read the RTC

Diagnostics

These methods are used to test that the RTC is working correctly. +The methods that are included in this group are:

MRtcAdaptation::ValidateRtc()
ASIC::SetSystemTimeCalibration()

Management +of the wake-up alarm

This group of methods, relate to the +setting and releasing of the wake-up alarm. The methods that are included +in this group are:

MRtcAdaptation::SetWakeUpAlarm()
MRtcAdaptation::UnsetWakeUpAlarm()

Request +management

Calls to the RTC are placed in a request queue, +waiting for the RTC to process them. Calls to the other two groups +of functionality add requests to the queue for the RTC, the methods +in this group remove them. The methods that are included in this +group are:

MRtcAdaptation::Cancel()
MRtcAdaptation::Release()

Set +and read the RTC

These functions are used to set and read +the RTC. Both functions measure time as the number of seconds since +the start of the year 2000.

ASIC::SystemTimeInSecondsFrom2000()
ASIC::SetSystemTimeInSecondsFrom2000()