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NTPD configuration with SHM Reference Clock Driver

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NTPD configuration with SHM Reference Clock Driver

Postby josephvincent » Tue Oct 14, 2014 10:21 am

Hi,

Can anybody tell how to use SHM ref. clock driver (http://doc.ntp.org/4.2.6p5/drivers/driver28.html) to pass time information to NTPD.
I need to develop an application that will get actual time from serial port(GPS) and pass this to NTPD.
I have went through some formus where I have read that I need to have an application that writes into a shared memory which is accessible to NTPD. If so what is the Key to be used.

Any help will be useful. Thanks.
josephvincent
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Re: NTPD configuration with SHM Reference Clock Driver

Postby josephvincent » Thu Oct 16, 2014 8:36 am

I noticed the following error,

Code: Select all
addto_syslog: refclock_newpeer: clock type 28 invalid

addto_syslog: configuration of 127.127.28.1 failed


Does this mean that in QNX, NTPD does not have shared memory reference clock driver support.
josephvincent
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Posts: 4
Joined: Wed Oct 08, 2014 10:29 am


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