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Old 10-20-2012, 08:50 AM   #256
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Originally Posted by trex_daemon View Post
I see. Thanks for the info.
Now regarding the other part of my question: How can I find out why it is stuck at 10-20% ?
Is there a way to enter usb-debugging without having the kindle up and running ?
I want to start usb networking, to bring up ssh /telnet ?
All are services provided by the computer executing the firmware.
Computer not running, no services.

What you are looking for is something provided by the hardware, not the execution of software.

Two choices in general:

Serial port.
The primary serial port is used by the SoC, the boot loader (u-boot) and then the Linux kernel. Each in the sequence of things starting up.

Our prefix index system has information on accessing the serial port for all models except the Kpw.

eJTAG.
This communications path works down to the level of the ARM core of the SoC, even if the ARM core is not running.

Nothing (that I know of) published here about using that on the Freescale SoC and/or the Kindles.
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Old 10-20-2012, 09:27 AM   #257
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Quote:
Originally Posted by knc1 View Post
All are services provided by the computer executing the firmware.
Computer not running, no services.

What you are looking for is something provided by the hardware, not the execution of software.

Two choices in general:

Serial port.
The primary serial port is used by the SoC, the boot loader (u-boot) and then the Linux kernel. Each in the sequence of things starting up.

Our prefix index system has information on accessing the serial port for all models except the Kpw.

eJTAG.
This communications path works down to the level of the ARM core of the SoC, even if the ARM core is not running.

Nothing (that I know of) published here about using that on the Freescale SoC and/or the Kindles.
So in the end I need to make an USB-Serial converter.
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Old 10-20-2012, 09:33 AM   #258
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Originally Posted by trex_daemon View Post
So in the end I need to make an USB-Serial converter.
Better to buy one, but DIY can be done.

There are links to the datasheets of the one I recommend here:
http://www.mobileread.com/forums/sho...d.php?t=170566

What you are looking for is a 1.8volt, low voltage serial, to USB (or serial if you have a serial port on your pc) adapter.

Avoid makes/models that have indicator leds on the Tx and Rx leads - geekmaster reports problems with using those that require almost as much electronics skill to modify as building one from the git-go.
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Old 10-20-2012, 10:14 AM   #259
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Quote:
Originally Posted by knc1 View Post
...
Avoid makes/models that have indicator leds on the Tx and Rx leads - geekmaster reports problems with using those that require almost as much electronics skill to modify as building one from the git-go.
The kindle TxD cannot sink enough current to light a serial adapter RxD LED. The LED may faintly light up, but the kindle has a 1K series resistor and the serial adapter RxD will only see about 1.4v on its RxD line for a logic zero, and will think that is actually a logic one. My modification consisted of removing the LED, adding a 22K pullup resistor to +3.3v, and adding a series diode to the wire going from the kindle TxD to the adapter RxD, such that the kindle could pull the adapter RxD line down to 0.7v (silicon diode voltage drop) which is recognized as logic zero for 1.8v/3.3v/5v TTL devices.

Yes, perhaps just buying a 1.8v adapter is better, but good luck searching for one, because most 3.3v adapters come with 1.8 meter cables.

Last edited by geekmaster; 10-20-2012 at 03:49 PM.
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Old 10-20-2012, 03:06 PM   #260
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Quote:
Originally Posted by geekmaster View Post
The kindle TxD cannot sink enough current to light a serial adapter TxD LED. The LED may faintly light up, but the kindle has a 1K series resistor and the serial adapter RxD will only see about 1.4v on its RxD line for a logic zero, and will think that is actually a logic one. My modification consisted of removing the LED, adding a 22L pullup resistor to +3.3v, and adding a series diode to the wire going from the kindle TxD to the adapter RxD, such that the kindle could pull the adapter RxD line down to 0.7v (silicon diode voltage drop) which is recognized as logic zero for 1.8v/3.3v/5v TTL devices.

Yes, perhaps just buying a 1.8v adapter is better, but good luck searching for one, because most 3.3v adapters come with 1.8 meter cables.


No problem with the USB adapter. I've done a couple of these with an FTDI. Here I will just use a voltage shifter. the DKU-5 cable is perfect for this, however this has 3.3v levels as far as I know, so the level shift still needs to be done.

It's still courius, why doesn't it boot and gets stuck at 10-12% ... I've flashed also my data to it, and also the 3.0.2 kernel and rootfs successfully to it.


Off-topic: while taking apart my kindle, I've managed to cut with the screwdriver the film that connects the kindle to the display
So after all, I might just build one from the 2, as I've checked, it costs 66$+ shipment for a new display ...
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Old 10-21-2012, 05:14 AM   #261
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I'm attempting to follow this guide however none of the links for the multipart files work from medifire. It says that the download is limited. I have been searching for an hour now but still cant find the files anywhere. Does any one know of a mirror for the files or am I going to have to get a premium account to download these.
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Old 10-21-2012, 05:29 AM   #262
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What s/he said.
I need the rootfs image for a K3 kindle if anyone can hook a brother up (us I think)

Cheers
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Old 10-21-2012, 07:54 AM   #263
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hm... Go to the forum above this thread , the "Indle Developers Corner", and click the thread at the top that says Simple Debricking method, and find a link to pastebin, where there should be links to download other rootfs files.(they should be 3.4 firmware, until the multipart zips are fixed.
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Old 10-21-2012, 08:39 AM   #264
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hm... Go to the forum above this thread , the "Indle Developers Corner", and click the thread at the top that says Simple Debricking method, and find a link to pastebin, where there should be links to download other rootfs files.(they should be 3.4 firmware, until the multipart zips are fixed.
The 3.4 one is also a multipart zip and on mediafire. I can't seem to find any rootfs files that aren't on media fire.
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Old 10-21-2012, 08:44 AM   #265
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...If you can wait a while, I will try and mirror said images elsewhere.
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Old 10-21-2012, 08:46 AM   #266
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...If you can wait a while, I will try and mirror said images elsewhere.
Thank you that would be a big help. Waiting patiently.
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Old 10-21-2012, 09:57 AM   #267
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Hi, my Kindle 3 is bricked and I want to follow this guide but i can´t found mmcblk0p1-3.3 file. Please, somebody can give me a useful link? Thanks a lot
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Old 10-21-2012, 10:11 AM   #268
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Hi, my Kindle 3 is bricked and I want to follow this guide but i can´t found mmcblk0p1-3.3 file. Please, somebody can give me a useful link? Thanks a lot
The K3 files are being moved to another mirror site.
Just hang in here for awhile.
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Old 10-21-2012, 04:48 PM   #269
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thanks qlob!
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Old 10-21-2012, 05:50 PM   #270
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I've started the image on it's way to the server, may take a while due to my slow internet...
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