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<== Date ==> <== Thread ==>

Subject: Re: IOC time 1min=90sec ??
From: mrk@aps.anl.gov (Marty Kraimer)
Date: Mon, 16 Jan 1995 10:56:45 -0600
On your ioc 
1) Find out what sysClkRateGet returns
2) Call tickGet twice and manually measure the time between calls

Does (tickget2 - tickget1)/sysClkRateGet equal the time you measured?

> From csuka@heracc.desy.de Mon Jan 16 10:44 CST 1995
> Date: Mon, 16 Jan 1995 17:46:28 EST
> From: "Gabor Csuka, DESY - Germany" <csuka@heracc.desy.de>
> To: tech-talk@aps.anl.gov
> Cc: csuka@heracc.desy.de
> Subject: IOC time 1min=90sec ??
> Content-Type> : > text> 
> Content-Length: 841
> 
> Hi,
> 
> Our IOC -s time is after a correct syncronization working too fast.
> After 40min the time is increasd with 1 hour. Where is my failure ?
> 
> Our configuration:
> NO hardware clock, NO NTP server
> 
> 1 ioc:
> TSconfigure (1, 10, 60, 0, 0)
> -> TSreport
> Soft timing slave
> Master timing IOC alive
> Time protocol sync with unix
> Clock Rate in Hertz = 60
> Sync Rate in Seconds = 10
> Master communications port = 18323
> Slave communications port = 18322
> Total events supported = 1
> Request Time Out = 250 milliseconds
> 
> The others:
> TSconfigure (0, 10, 60, 0, 0)
> -> TSreport
> Soft timing master
> Master timing IOC alive
> Time protocol sync with unix
> Clock Rate in Hertz = 60
> Sync Rate in Seconds = 10
> Master communications port = 18323
> Slave communications port = 18322
> Total events supported = 1
> Request Time Out = 250 milliseconds
> 
> 
> Any idea ???
> 
> Gabor Csuka
> DESY
> 

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