Difference between revisions of "Unit RTC"

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! '''Note'''
 
! '''Note'''
 
| Time and returned time is 100 nanosecond ticks since 1 January 1601
 
| Time and returned time is 100 nanosecond ticks since 1 January 1601
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'''RTC helper functions'''
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<pre style="border: 0; padding-bottom:0px;">function RTCGetCount:LongWord; inline;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the current RTC count</div>
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<pre style="border: 0; padding-bottom:0px;">function RTCDeviceGetDefault:PRTCDevice; inline;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Get the current default RTC device</div>
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<pre style="border: 0; padding-bottom:0px;">function RTCDeviceSetDefault(RTC:PRTCDevice):LongWord;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Set the current default RTC device</div>
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<pre style="border: 0; padding-bottom:0px;">function RTCDeviceCheck(RTC:PRTCDevice):PRTCDevice;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' Check if the supplied RTC is in the RTC table</div>
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<pre style="border: 0; padding-bottom:0px;">function RTCTimeIsValid(const Time:TSystemTime):Boolean;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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<pre style="border: 0; padding-bottom:0px;">function RTCSystemTimeToFileTime(const SystemTime:TSystemTime; var FileTime:Int64):Boolean;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' System time is assumed to be UTC and returned file time is UTC</div>
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<pre style="border: 0; padding-bottom:0px;">function RTCFileTimeToSystemTime(const FileTime:Int64; var SystemTime:TSystemTime):Boolean;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' File time is assumed to be UTC and returned system time is UTC</div>
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<pre style="border: 0; padding-bottom:0px;">procedure RTCLog(Level:LongWord; RTC:PRTCDevice; const AText:String);</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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<pre style="border: 0; padding-bottom:0px;">procedure RTCLogInfo(RTC:PRTCDevice; const AText:String); inline;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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<pre style="border: 0; padding-bottom:0px;">procedure RTCLogError(RTC:PRTCDevice; const AText:String); inline;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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<pre style="border: 0; padding-bottom:0px;">procedure RTCLogDebug(RTC:PRTCDevice; const AText:String); inline;</pre>
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<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
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! '''Note'''
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| To be documented
 
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Revision as of 04:15, 2 September 2016

Return to Unit Reference


Description

The RTC unit provides the device interface for real time clock modules to be registered with Ultibo core. Each RTC module requires a driver that communicates with the specific hardware to implement the device interface although many devices may use the same chip and will be covered by a single driver.

This unit registers the RTCGetTime and RTCSetTime functions with the Platform unit to enable hardware independent access to a real time clock module.

Constants

To be documented

Type definitions

To be documented

Public variables

To be documented

Function declarations


Initialization functions

[Expand] 
procedure RTCInit;
Description: To be documented


RTC functions

[Expand] 
function RTCDeviceStart(RTC:PRTCDevice):LongWord;
Description: To be documented


[Expand] 
function RTCDeviceStop(RTC:PRTCDevice):LongWord;
Description: To be documented


[Expand] 
function RTCDeviceGetTime(RTC:PRTCDevice):Int64;
Description: To be documented


[Expand] 
function RTCDeviceSetTime(RTC:PRTCDevice; const Time:Int64):Int64;
Description: To be documented


[Expand] 
function RTCDeviceProperties(RTC:PRTCDevice; Properties:PRTCProperties):LongWord;
Description: To be documented


[Expand] 
function RTCDeviceCreate:PRTCDevice;
Description: Create a new RTC entry


[Expand] 
function RTCDeviceCreateEx(Size:LongWord):PRTCDevice;
Description: Create a new RTC entry


[Expand] 
function RTCDeviceDestroy(RTC:PRTCDevice):LongWord;
Description: Destroy an existing RTC entry


[Expand] 
function RTCDeviceRegister(RTC:PRTCDevice):LongWord;
Description: Register a new RTC in the RTC table


[Expand] 
function RTCDeviceDeregister(RTC:PRTCDevice):LongWord;
Description: Deregister a RTC from the RTC table


[Expand] 
function RTCDeviceFind(RTCId:LongWord):PRTCDevice;
Description: To be documented


[Expand] 
function RTCDeviceFindByName(const Name:String):PRTCDevice; inline;
Description: To be documented


[Expand] 
function RTCDeviceFindByDescription(const Description:String):PRTCDevice; inline;
Description: To be documented


[Expand] 
function RTCDeviceEnumerate(Callback:TRTCEnumerate; Data:Pointer):LongWord;
Description: To be documented


[Expand] 
function RTCDeviceNotification(RTC:PRTCDevice; Callback:TRTCNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;
Description: To be documented


RTL RTC functions

[Expand] 
function SysRTCAvailable:Boolean;
Description: Check if an RTC device is available


[Expand] 
function SysRTCGetTime:Int64;
Description: Get the current time from a RTC device


[Expand] 
function SysRTCSetTime(const Time:Int64):Int64;
Description: Set the current time for a RTC device


RTC helper functions

[Expand] 
function RTCGetCount:LongWord; inline;
Description: Get the current RTC count


[Expand] 
function RTCDeviceGetDefault:PRTCDevice; inline;
Description: Get the current default RTC device


[Expand] 
function RTCDeviceSetDefault(RTC:PRTCDevice):LongWord;
Description: Set the current default RTC device


[Expand] 
function RTCDeviceCheck(RTC:PRTCDevice):PRTCDevice;
Description: Check if the supplied RTC is in the RTC table


[Expand] 
function RTCTimeIsValid(const Time:TSystemTime):Boolean;
Description: To be documented


[Expand] 
function RTCSystemTimeToFileTime(const SystemTime:TSystemTime; var FileTime:Int64):Boolean;
Description: System time is assumed to be UTC and returned file time is UTC


[Expand] 
function RTCFileTimeToSystemTime(const FileTime:Int64; var SystemTime:TSystemTime):Boolean;
Description: File time is assumed to be UTC and returned system time is UTC


[Expand] 
procedure RTCLog(Level:LongWord; RTC:PRTCDevice; const AText:String);
Description: To be documented


[Expand] 
procedure RTCLogInfo(RTC:PRTCDevice; const AText:String); inline;
Description: To be documented


[Expand] 
procedure RTCLogError(RTC:PRTCDevice; const AText:String); inline;
Description: To be documented


[Expand] 
procedure RTCLogDebug(RTC:PRTCDevice; const AText:String); inline;
Description: To be documented


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