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+  Rockbox Technical Forums
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| | |-+  RB in Car Mode --> Dead battery.
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Author Topic: RB in Car Mode --> Dead battery.  (Read 2307 times)

Offline floepie

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RB in Car Mode --> Dead battery.
« on: December 16, 2009, 01:36:22 PM »
I have RB set to turn off upon loss of power in 'car mode'.  It's handy for podcasts if I forget to pause or shutoff the ipod when exiting the car.  Anyway, if I leave the car for 2 days, the battery winds up dying on me, and inevitably, it power cycles continuously if power/charging is applied after a dead ipod battery.   It then becomes necessary to switch over the hold button in order to boot up the original firmware in order to properly charge it.  Is this common?   Does RB use a standby mode when "off" that would drain the battery?
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iPod 4G Grayscale

Offline Llorean

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Re: RB in Car Mode --> Dead battery.
« Reply #1 on: December 16, 2009, 06:50:34 PM »
"Car mode" alone doesn't cause the player to turn off. What's the idle power off time set to?
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Offline floepie

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Re: RB in Car Mode --> Dead battery.
« Reply #2 on: December 16, 2009, 09:01:14 PM »
Oh yes, sorry, I have the time-out set to 1 minute.   I tested whether the battery was being drained with a manual shut-off, and even then, the battery drains faster than I would expect without any usage. 
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iPod 4G Grayscale

Offline JdGordon

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Re: RB in Car Mode --> Dead battery.
« Reply #3 on: December 16, 2009, 09:32:44 PM »
does your car plug stay powered the whole time? I know my car keeps the power to one of the cig plugs all the time (even when the car is off) which means rockbox wont know when the car is "off" to pause it
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Using PMs to annoy devs about bugs/patches is not a good way to have the issue looked at.

Offline floepie

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Re: RB in Car Mode --> Dead battery.
« Reply #4 on: December 16, 2009, 09:34:10 PM »
Thanks, but yeah, the ipod stops and shuts down after a minute when shutting off the car. 
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iPod 4G Grayscale

Offline Chronon

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Re: RB in Car Mode --> Dead battery.
« Reply #5 on: December 16, 2009, 10:39:50 PM »
Quote from: floepie on December 16, 2009, 01:36:22 PM
 Does RB use a standby mode when "off" that would drain the battery?
No.  Rockbox shuts down the hardware.  There is no sleep mode.
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Sansa e280, Gigabeat F40, Gigabeat S60, Sansa Clip+, iPod Mini 2g

Offline Llorean

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Re: RB in Car Mode --> Dead battery.
« Reply #6 on: December 16, 2009, 10:54:27 PM »
What version of Rockbox are you using? How recent?
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Offline floepie

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Re: RB in Car Mode --> Dead battery.
« Reply #7 on: December 16, 2009, 11:05:15 PM »
I'm running r23879--091206.
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iPod 4G Grayscale

Offline floepie

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Re: RB in Car Mode --> Dead battery.
« Reply #8 on: December 19, 2009, 01:35:28 PM »
OK, it appears that from time to time, RB believes the battery to be dead when it's not.  So, when power is applied in the car at startup (powered at ignition), quite often RB boot and shuts off after 5 seconds and repeats endlessly.   Turning the hold switch to on allows the OF to boot, and the device operates and charges as normal.    Is it common that RB cannot boot up when it "thinks" the battery to be depleted?   
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iPod 4G Grayscale
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