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#1 |
Sorry for my English
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Karma: 3009898
Join Date: Aug 2018
Location: France.Besancon
Device: KOBO.PocketBook.ONYX
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POCKETBOOK UART Conect
Hello everyone !!
For those even for less experienced users who are looking for a procedure on how to connect and use UART on Pocketbook readers, I would like to share my following procedure, which you will find: https://cod-box.net/pocketbook-conne...via-uart-hack/ Last edited by Michal Jancik; 04-20-2024 at 06:40 PM. |
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#2 |
0000000000101010
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Karma: 12981955
Join Date: Mar 2023
Location: An island off the coast of Ireland
Device: PB632 [HD3]
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Interesting. Do you have a project in mind now you have a UART connection?
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#3 |
Guru
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Karma: 628976
Join Date: Sep 2013
Device: EnergySistemEreaderPro, Nook STG, Pocketbook 622, Bookeen Cybooks ...
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Interesting trick with the connection and the clamp. I soldered mine to stay on the connected side.
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#4 | |
Sorry for my English
![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() Posts: 466
Karma: 3009898
Join Date: Aug 2018
Location: France.Besancon
Device: KOBO.PocketBook.ONYX
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Quote:
I had to use the clip because I often had a problem getting into the console, I had to disconnect and reconnect (on the fly) in order to type commands (to appear after pressing ENTER #,it didn't even help when I sent ^C through the terminal) ..as always, everything has its pros and cons ![]() However, there are also disadvantages to using a clamp, such as the other side of the clamp touching the screen. Also, you can't move the electronic reader too much so that the terminal doesn't move outside the UART pins on the motherboard. . PS : Unfortunately, I don't have any projects or ideas, I don't even have time, as unfortunately it often happens in the life of a mere mortal ![]() Last edited by Michal Jancik; 04-21-2024 at 09:49 AM. |
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#5 |
0000000000101010
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Karma: 12981955
Join Date: Mar 2023
Location: An island off the coast of Ireland
Device: PB632 [HD3]
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#6 |
Guru
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Karma: 628976
Join Date: Sep 2013
Device: EnergySistemEreaderPro, Nook STG, Pocketbook 622, Bookeen Cybooks ...
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Sorry no, just keep it in mind in case I brick it (again), sic.
But I do like to read with it! ![]() |
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#7 |
0000000000101010
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Karma: 12981955
Join Date: Mar 2023
Location: An island off the coast of Ireland
Device: PB632 [HD3]
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#8 |
Guru
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Karma: 628976
Join Date: Sep 2013
Device: EnergySistemEreaderPro, Nook STG, Pocketbook 622, Bookeen Cybooks ...
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Didn't try it. I did not have a deeper look into it and wouldn't do it as long as I don't have a way to safely backup and flash the board.
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#9 |
Sorry for my English
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Karma: 3009898
Join Date: Aug 2018
Location: France.Besancon
Device: KOBO.PocketBook.ONYX
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I would also be interested in that.
I know that it is possible to start an update with a swupdate command (for updating from the swupdate.bin file, which must be in the root directory), but in this case it is not a re-flash but an update. I am interested in Re-Flash because I have a broken pocketbook that I need to reflash. After powering on, an error is displayed:epdc_default_init ERROR cannot open eink When holding down [ESC] key at start-up you can also get into UBOOT, but for now I didn't have time to look up how to re-flash the unity.. Last edited by Michal Jancik; 04-22-2024 at 03:26 PM. |
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#10 | |
Zealot
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Karma: 87012
Join Date: Apr 2021
Device: Lux 5, Libra 2, PRS-T2N
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Nice fix
![]() Quote:
See for example: https://linux-sunxi.org/PocketBook_Touch_Lux_3#FEL_mode |
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#11 | |
Junior Member
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Karma: 10
Join Date: Feb 2025
Device: PocketBook Touch Lux 4
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The link in the OP has gone dead (an unfortunate decision); using the Internet Archive it can be mostly recovered. I'll paraphrase the most essential bits here so people don't have to jump through hoops to get to the good stuff.
To get to the UART header, open up the device. The UART connection is exposed in the form of 4 test pads with clear silk scree labeling. Use a regular USB-UART bridge (FTDI cable, CP2102 adapter etc.) to connect to the device. Observe the Vcc on the eReader side which is 3.3V - don't apply 5V here! In fact, you only need to connect GND, RX and TX assuming the eReader is self-powered. You can solder wire to the test pads, tape stripped wire ends to them or use some kind of pogo-pin clamp thingy. Access the eReader using a serial terminal app of your choice; PuTTY is a possibility, or something like Termite. Use the following settings: Baud rate: 115200 Data bits: 8 Parity: None Stop bits: 1 Flow control: Xon/Xoff When connected this way, you should effectively have terminal access to the device. From this point onward, it's a matter of command-line talking to the Linux OS on the eReader. I'll quote the French text from the original page below; this contains a little more info w.r.t. troubleshooting. Quote:
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