Re: [mh] surrogate links

[Bill D. <dr...@dm...>]

Very helpful. This is actually both the clearest and shortest explanation
of surrogate links I've read yet!

On Tue, Nov 19, 2013 at 12:47 PM, Kevin Robert Keegan <ke...@kr...>wrote:

> Not sure what "other than A" means.
>

I don't know why, but I've always understood the the top, left button on a
KeypadLinc which controls the physically attached load, didn't need the
surrogate link. It's that top, left button that I was referring to by
writing "other than A." Is my understanding incorrect?


>  But yes surrogate links are still necessary if you want to do this:
>
> $kpl_kitchen_c->set(ON);
>
> But if you don't control the button state that way, they are not
> necessary.  For example, the following setup will work:
>
> INSTEON_ICONTROLLER, 10, my_scene, all_scenes
> SCENE_MEMBER, kpl_kitchen_c, my_scene
> SCENE_MEMBER, other_light, my_scene
>
> $my_scene->set(ON);
>
> This will work, and the keypadlinc button light will turn on ( as will the
> other_light).
>

This is so clear and the SCENE_BUILD lines in .mht files are so much easier
to use than the SCENE_Member lines. I'd say that the surrogate link could
be considered deprecated. For example, wouldn't this work just as well?:

INSTEON_ICONTROLLER, 10, my_scene, all_scenes
SCENE_BUILD, kpl_kitchen_c, 1, 1, my_scene
SCENE_BUILD, other_light, 1, 1, my_scene

Of course, this is a very simple Insteon scene (and the SCENE_MEMBER
version leaves out the device links.) A more complex scene would only
require one SCENE_BUILD line for each device, but would require one
SCENE_MEMBER line for each link. This means that the total number of
SCENE_MEMBER lines would grow as much faster.

I do have a few surrogates lines left that I'll be trying to eliminate. I
remember Marc Merlin writing about this, but I didn't get it then.

Surrogate links are of course not necessary if you don't intend to control
> the button state from MH at all.
>

I was never clear on this. Thanks for clearing things up.


> On Mon, Nov 18, 2013 at 6:10 PM, Bill Dripps <dr...@dm...> wrote:
>
>>  Are surrogate links still necessary to get keypadlinc buttons other
>> than A working properly?
>>
>> Thanks,
>> Bill
>>
>>
>>
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>
Thanks,
Bill