Subject: From: Date:

Re: [ECS] ECS 4.3.001 release Mark Gilmore Sun, 05 Mar 2000 08:27:00 -0500

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When ACE (a "Client") sends a SET command ("I,..."), ECS will
respond as described.
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Mark Gilmore
Omnipotence (ECS home automation software)
http://www.usit.com/omnip
423-745-0026


Bill Walters wrote:
> 
> Mark,
> 
> Thank you for clarifying this.
> 
> However, I have a question I hope you can help with...  In your prior
> message you say,
> 
> *   18) The SERIAL-API & DDE-API have been changed as follows:
> 
> a) For MONITORED Items, ECS will now send an update packet EVERY
>    time the State of such Items are set to a value differing from
>    the current. Previously, updates would be sent only once per pass,
>    and so multiple State changes made during one Event-pass could
>    be missed.
>    WARNING: We recommend that you do NOT perform "intermediate"
>    calculations on monitored Items, as every change will trigger
>    a packet transmission (which could "flood" the Client).
> 
> I understand part a)     but have absolutely no idea what you're talking
> about in part b)...
> 
> Could you clarify ???
> 
>         b) When a DDE client issues an Item State-change request
> (SET/ADD/etc),
>    ECS now returns the CURRENT (PRE-modified) State in the response
>    packet (rather than the post-modified State). If the Item is
>    MONITORED, a subsequent update packet will be sent when the
>    State is modified. Note that for GROUP-MINIMUM/MAXIMUM Items,
>    multiples may be sent.
> --
> 
> Thanks,
> 
> Bill Walters

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