Thursday, 14 February 2008

how to charge ipod touchs battery on



How to charge the iPod Touch's battery on Linux

I have never been very much into iPods before. Although people were

all excited about the click-wheel and the great user experience I

tried some of them and never shared the whole fuzz.

However when I first heard about the iPod Touch I was really

fascinated. I watched the iPod Keynote from September 2007 and

immediately like the iPod Touch. Usually I am not a person who buys

products immediately after their release, but I figured they had had

some time to get the worst bugs out of the iPhone; and as the iPod is

undoubtedly nothing more than the "phone without the phone" I decided

to give it a go and ordered it from the Apple Online Store on

September 9th. Delivery was scheduled for the week starting Oct 1st

and it promptly arrived on Thursday. As I had it delivered to the

office address I suddenly noticed a lot of people coming to my desk...

I connected it to the office desktop (XP) where I had been using

iTunes for quite some time already to manage the music I usually

listen to while coding. Syncing was a breeze and I was really happy.

Because I did not have time to fully charge it at work and of course

played around with the WiFi (which is a little heavier on the battery

than just listening to music). So I decided to fully charge it over

night at home. However that turned out a lot more difficult than I had

imagined. Up to that point I had always considered charging a mobile

device via the USB port something nobody could do wrong. However when

I plugged it in after I had fired up my Ubuntu desktop it just very

briefly showed the "charging" icon on the iPod's screen and

immediately went back to "working on battery". The Gnome desktop

presented me with a camera import wizard... I tried to disconnect and

reconnect, even disabled all udev rules because I suspected one of the

programs started upon the discovery of the new device to somehow

confuse it - all to no avail.

When I booted into the Windows partition I still keep for emergencies,

it started to charge immediately... Now this is some kind of platform

tie in! I knew before that Apple's support for anything but OS X or

Windows is virutally non-existant, but preventing people from charging

the battery, just because of the "wrong" operating system?

It took me four more days, pounding Google with all sorts of keywords

I could imagine - "ipod charge linux", "ubuntu ipod battery" and so

on. Only when I got the idea to search for some combination of terms

that contained "iPhone" I got to this: iPhone Now Charges in Linux.

That site contains the source for a kernel module that will send a

short sequence of bytes to the iPod or iPhone that will tell it to

start charging the battery. I find it very annyoing that stuff like

this necessary to just recharge a device... Thanks to Matt Coyler I do

not have to boot Windows just to charge my MP3 player. Great job!

Posted by Daniel Schneller am 10/15/2007 11:53:00 PM


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