09-11-2013, 05:58 PM
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#1 |
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Junior Member
  Posts: 5
Karma: 1000
Join Date: Sep 2013
Device: Kindle Paperwhite
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when is kindle sleeping?
Hello,
I'm trying to get my weather hack working only when the kindle is in sleep mode. I have a cron job that runs the weather update shell script. Is there a way I can tell from the cmdln/bash when the kindle is sleeping? I don't want the weather shell script to display the weather png when I'm reading a book 
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09-11-2013, 06:20 PM
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#2 |
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BLAM!
Posts: 13,477
Karma: 26012494
Join Date: Jun 2010
Location: Paris, France
Device: Kindle 2i, 3g, 4, 5w, PW, PW2, PW5; Kobo H2O, Forma, Elipsa, Sage, C2E
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Would lipc-get-prop -s com.lab126.powerd state do the job?
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09-11-2013, 06:27 PM
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#3 |
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Junior Member
Posts: 5
Karma: 1000
Join Date: Sep 2013
Device: Kindle Paperwhite
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That looks good. thank you!
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09-11-2013, 06:29 PM
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#4 | |
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Going Viral
Posts: 17,212
Karma: 18210809
Join Date: Feb 2012
Location: Central Texas
Device: No K1, PW2, KV, KOA
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Quote:
When the Kindle is sleeping, the CPU is halted, and anything software will not respond. I.E: Like the command line shell.  And - the CPU may (can) go to sleep while you are reading a page of a book. It is a meta-static display - it needs neither cpu nor power to continue to display the page. A better solution - Use dos1's event hooks to capture "going to screensaver" event and use that to start your weather display. Similarly, capture the "coming out of screensaver" event to stop the weather display. |
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09-11-2013, 06:34 PM
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#5 |
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Junior Member
Posts: 5
Karma: 1000
Join Date: Sep 2013
Device: Kindle Paperwhite
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Do you have the url for the info on those hooks?
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09-11-2013, 06:44 PM
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#6 | |
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Going Viral
Posts: 17,212
Karma: 18210809
Join Date: Feb 2012
Location: Central Texas
Device: No K1, PW2, KV, KOA
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Quote:
When logged in - Leave the search text box empty, click 'search' - That will take you to the advanced search page. I gave you the author's name and the keywords of the topic, go for it. |
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09-11-2013, 07:27 PM
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#7 |
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Junior Member
Posts: 5
Karma: 1000
Join Date: Sep 2013
Device: Kindle Paperwhite
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