Re: detecting UPS activation

I'm as suprised as you to hear that WM_POWERBROADCAST isn't sent.

Did you call RegisterPowerSettingNotification<http://msdn.microsoft.com/en-us/library/aa373196(VS.85).aspx>
 ?
-S



On Sun, Aug 16, 2009 at 9:44 AM, Eric Strain <eric_strain1-/[email protected]> wrote:

>
>
>   >So (excluding the proprietary software) I’d EXPECT the protected
> computer to be >completely unaware.
>
> Thanks Richard,
>    What I'm looking for is a way for the protected  computer to  detect
> when the power fails ( and (or) when the alternate power source has kicked
> on) and page me, or somehow let me know that something has gone wrong. I
> can't be the first person to think of this so there should be some way to do
> this right? I've been looking for a way, but I haven't had any luck yet.
>
>
> --- On *Sun, 8/16/09, Richard Howells <[email protected]>* wrote:
>
>
> From: Richard Howells <[email protected]>
> Subject: RE: [OT] detecting UPS activation
> To: [email protected]
> Date: Sunday, August 16, 2009, 9:21 AM
>
>
>
>
>  AIUI a UPS usually has a serial (or USB) line that you connect to the
> protected computer.  The proprietary software that comes with the UPS then
> arranges for an orderly shutdown when the UPS battery is getting weak.
>
>
>
> So I guess you need to talk to your UPS vendor.
>
>
>
> I think the whole point of a UPS is for the protected equipment to carry on
> business-as-usual.  So (excluding the proprietary software) I’d EXPECT the
> protected computer to be completely unaware.
>
>
>
> Cheers,
>
>
>
> Richard
>
> richard-yP/[email protected] <http://mc/compose?to=richard-yP/[email protected]>
>
> www.dynamisys.co.uk
>
> L: (+44) (0)1793 731225
>
> M: (+44) (0)7732 971786
>
>
>
> Dynamisys Ltd is registered, No 4152561, in the UK
>
>
>
> *From:* [email protected] [mailto:
> [email protected]] *On Behalf Of *Eric Strain
> *Sent:* 16 August 2009 16:59
> *To:* [email protected]
> *Subject:* [OT] detecting UPS activation
>
>
>
>
>
> Hi All,
>   Is there a way to programatically detect when the Uninterruptable Power
> Supply or battery backup kicks on? Such as when the power fails and the
> battery or backup generator kicks in. I've tried using the
> GetSystemPowerStatus( ) to detect when the ACLineStatus changes but when I
> unplug my battery backup from the wall and have the machine running from the
> battery those functions report that the system is still running on AC. What
> I need is an event handler or function that will fire as soon as the power
> source for the machine changes.
>
>  I've also tried using the WM_POWERBROADCAST event message to flag when the
> power source changes but that didn't work either. I'm looking for something
> written in C++ that I can incorporate into my project. Any ideas? In the
> mean time, I'll keep looking. Thanks guys.
>
> -Eric
>
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