Openmoko Bug #1697: [Battery] No Alert message when battery is low

[Openmoko Public Trac]

#1697: [Battery] No Alert message when battery is low
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    Reporter:  regina_kim   |        Owner:  raster  
        Type:  enhancement  |       Status:  closed  
    Priority:  high         |    Milestone:  Om2008.9
   Component:  E - Illume   |      Version:          
    Severity:  minor        |   Resolution:  fixed   
    Keywords:  pm           |    Blockedby:          
Reproducible:               |     Blocking:          
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Comment(by queen6):

 Hey Regina,

 Well maybe that's me, but I don't think illume has anything to do with
 this problem.

 What we need is a power manager daemon which would monitor battery level
 and when it reaches critical level will inform user about it, with action
 defined by the user or turn off the phone when battery level reaches 2-3%
 to avoid dead battery problems. Action examples:

 1) beep from speaker
 2) blink of AUX led
 3) playing WAV/OGG/MP3 sample (like - "Your battery level has reached 5%.
 It's highly recommended to connect your phone to the charger").
 4) scriptable actions would be nice as well, as user can create whatever
 he wants here.

 The idea is to know when phone is low on power WITHOUT touching it. How
 often do you turn on your current phone to check the level of your
 battery?

 Also the notification should work when phone is suspended. I'm pretty sure
 beep, sound sample or script can't be achieved that way (would require
 bringing CPU up, executing action and instantly suspend the device without
 turning the screen on).
 The led blinking should be possible without bringing CPU up, right?

 Is ompower the right place for such actions?

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Ticket URL: <https://docs.openmoko.org/trac/ticket/1697#comment:28>
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