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Building RS232 commands
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 Posted: Thursday Jun 4th, 2009 10:27 pm
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juwi_uk
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Hi,

I have a question on  the "Escape" character 15.

I assume this applies to ZWave ID's as with the dim value etc as both can take "15" or "255" as valid settings, right?

So if I need to command for say  ID 15 and 16 in a basic commannd (multicast then by type) ,  does the command string look like

197,{ucm#},1, {# of ID's}, 15. 15, 16 , {dim level}

But does the {# of ID's}  include or exclude the Escape Character(s); ie is it 2 or 3 in the above example?

Regards

Julian

 

 

 

 

 


 Posted: Friday Jun 5th, 2009 01:35 am
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ident
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The number of ids should exclude the escape character
The string in action 197 is parsed by Comfort to remove the escape characters before they get sent to the UCM/Zwave
The need for escape is just to handle the 255 byte which is a terminator in action codes (a remnant of keypad programming)


 Posted: Friday Jun 5th, 2009 05:25 am
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juwi_uk
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OK

So the {# of ID}'s  value itself doesn't include the extra escape characters.

But if the {#of ID's} is 15 itself then it's 15,15 before the first real ID value is listed in the string?

Julian

 

 

 

Last edited on Friday Jun 5th, 2009 05:25 am by juwi_uk


 Posted: Friday Jun 5th, 2009 09:17 am
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ident
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that is correct (I think)


 Posted: Friday Jun 5th, 2009 10:26 am
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Ingo
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Correct me if I am wrong but the ucm# is actually 16 + UCM#, I think.... UCM01 in the system will have an ID of 17, UCM02 will be 18 and so on...

Ingo


 Posted: Friday Jun 5th, 2009 10:40 am
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ident
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Yes you are right. The 1st UCM  is 17, so you dont have to worry about an ID of 15, as it does noty exist


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