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Автор Тема: DR500GW-HD self bricked?  (Прочитано 20128 раз)

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Оффлайн MiO_970

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Re: DR500GW-HD self bricked?
« Ответ #20 : 31 Декабря 2014, 09:23:45 »
 0)))

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Оффлайн netbootdisk

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Re: DR500GW-HD self bricked?
« Ответ #21 : 05 Февраля 2015, 06:42:12 »
Hello from Australia!

I also had my Blackvue self-brick, with it booting to the Korean "upgrade failed" error message. I think it bricked after the Blackvue was powered off whilst it was still originally booting up & it corrupted itself. (I only moved my car from driveway to garage)

Thanks to your instructions I've now fixed my dashcam!!! )ooo(

I had a little trouble with translations & following the instructions/process above, so below is the consolidated steps which fixed my unit...

1. Connect serial console to computer at 115200/8/N & no flow control.
2. Power on Blackvue, boot status should appear
3. Soon after powering on (or resetting), press the 'd' key to enter the boot loader config.
---Restore Root File System---
4. At the boot prompt type: loadb 0x82000000
5. Then immediately use your terminal program to KERMIT send the cramfsImage_DR500GW file from the BlackVue\System\upgrade folder within the firmware download ZIP. (I used Terra-Term, File Menu > Transfer > Send > Kermit command. It took hours!)
6. The terminal should then say that the transfer was OK
7. At the boot prompt type: nand erase 0xa00000 0xdd0000
8. Then to "write the file system of the NAND flash memory", type: nand write 0x82000000 0xa00000 0xdd0000

---Restore system software---
9. Copy patch_DR500GW.bin file to root of SD card & Reboot the Blackvue
10. Blackvue will boot up - and in my case still got stuck looping the korean 'upgrade failed' error message. Press CONTROL+C
11. Login as username = root & password = pt
12. Enter these commands... (I *think* this is what worked for me, I had some confusion with the original forum thread with these instructions; see http://car-dvr.info/forum/index.php?topic=801.0 for clarification
# cd /
# mount -t vfat /dev/mmcblk0
# umount /mnt/nand
# /usr/sbin/flash_eraseall    /dev/mtd4
# mount  -t  yaffs2  /dev/mtdblock4  /mnt/nand
# tar -xvzf  /mnt/mmc/patch_DR500GW.bin -C /
# sync
# reboot
13. The Blackvue should then boot 'normally' again and reformat the SD card!

Hopefully that helps others out as I thought mine was dead until I found this info :D

Оффлайн JohnnyBravo

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Re: DR500GW-HD self bricked?
« Ответ #22 : 12 Февраля 2015, 19:41:32 »
Hi!

I have a similar problem with my camera.
I looks like the firmware is corrupted and it doesn't boot.
When I plug it in, all the LEDs light up, except the blue GPS LED, and all stay lit. No blinking.
When I unplug it, all goes out.
No voice messages.

In the link below, you can find a short film with the camera.
What do you think, is it software related or hardware?

I've tried re-installing the firmware with no result.
Also tried with another SD card and without any card. Nothing happened.

[youtube]9nm8T9FGz3Q[/youtube]

Would that UART interface help?

Thank you!

Оффлайн MiO_970

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Re: DR500GW-HD self bricked?
« Ответ #23 : 17 Февраля 2015, 15:02:20 »
enable them without SD
Write that will be

Оффлайн JohnnyBravo

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Re: DR500GW-HD self bricked?
« Ответ #24 : 17 Февраля 2015, 20:37:35 »
I have tried without the SD card. The same thing happens.

Оффлайн JohnnyBravo

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Re: DR500GW-HD self bricked?
« Ответ #25 : 19 Февраля 2015, 18:07:45 »
I have this UART cable.


How can I use it to reprogram the camera?
Where do I have to connect it?

I see there is a 3 pin connector on one board and a ribbon connector on the other. Which is the right connector for reprogramming?





Thank you!

Оффлайн DenisSharifulin

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Re: DR500GW-HD self bricked?
« Ответ #26 : 19 Февраля 2015, 18:28:33 »
JohnnyBravo,


TX -> connect to PC RX
RX -> connect to PC TX
GND -> connect to PC GND
Параметры порта 115200/8n1

Человек делает выбор, мы делаем вывод!
Восстановление регистраторов BlackVue через UART.

Оффлайн negon

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Re: DR500GW-HD self bricked?
« Ответ #27 : 05 Октября 2015, 01:05:15 »
Would the procedure above work on a DR550GW-2ch? If not can anybody help me on a procedure to unbrick my dashcam. Thanks.

Оффлайн DenisSharifulin

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Re: DR500GW-HD self bricked?
« Ответ #28 : 05 Октября 2015, 13:47:58 »
negon, What's wrong with your dashcam.
Человек делает выбор, мы делаем вывод!
Восстановление регистраторов BlackVue через UART.

Оффлайн negon

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Re: DR500GW-HD self bricked?
« Ответ #29 : 05 Октября 2015, 17:11:54 »
*Сообщение от DenisSharifulin [+]
negon, What's wrong with your dashcam.

I think I bricked my DR550gw-2ch.
First i have ulgraded the FW to the latest korean FW 2.010. I have put the upload folder on the root directory of the sd card and upgrade cgi on the config folder. The blackvue changed to english but it says that the version information is different so I tried to return it back to 2.010 korean FW. It changed back to speaking korean and it seems that it is still saying that the version information is different. Hope that someone can help me.

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Оффлайн DenisSharifulin

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Re: DR500GW-HD self bricked?
« Ответ #31 : 07 Октября 2015, 14:35:03 »
Человек делает выбор, мы делаем вывод!
Восстановление регистраторов BlackVue через UART.

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Re: DR500GW-HD self bricked?
« Ответ #32 : 08 Октября 2015, 04:46:17 »
Thank you very much for the response. I do have another question, is the procedure outlined in the link specifically for PC or would it work on a mac? thanks again.

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Re: DR500GW-HD self bricked?
« Ответ #33 : 08 Октября 2015, 08:19:26 »
PC
Человек делает выбор, мы делаем вывод!
Восстановление регистраторов BlackVue через UART.

Оффлайн Saj

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Re: DR500GW-HD self bricked?
« Ответ #34 : 20 Декабря 2020, 19:58:55 »
neoncek, hi hope you are well. I have bricked my blackvue and come across your instructions etc, which UART cable did you get?

 

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