RE: Heartbeat CRC checksum?

[Kevin Hawkins]

Ian,

It's a while ago on checksums but as I recall it should be there on
all serial messages including the heartbeats. Indeed on any hardware
transport when there is a possibility of corruption of data or where some
higher layer doesn't encapsulate error detection for you.

Kevin

> -----Original Message-----
> From: Ian Bird [mailto:<a
href="/group/xap_automation/post?postID=GjYE8QAjaqAUsZOz5G9Y3SEOONXjkhRUrk3wu7dMUUyOasq3J3so5BZ9NFq-hYxDzTs3Rhm-_NmJ3WvmLQ">Ian@M...</a>]
> Sent: 23 April 2003 16:36
> To: <a
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> Subject: [xap_automation] Heartbeat CRC checksum?
>
> Hi all
>
> Apologies to those on both xAP lists........
>
> Does the heartbeat message have the ---- before the <ETX> when
> transmitted on the serial line? This would represent the CRC digits
> that have not been calculated (as they are optional). Whilst testing
> last night I saw I have it some times not others and I wondered if
> there was an agreed yes or no for it.
>
> Thanks
>
> Ian
>
>
>
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