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decode ATMEGA 162V firmware

Decode ATMEGA162V Firmware downloaded from a device were the source code has been lost so it can be uploaded to another device and the code rewritten

[login to view URL]: Device signature = 0x1e9404 (probably m162)

[login to view URL]: safemode: hfuse reads as DA

[login to view URL]: safemode: efuse reads as FF

[login to view URL]: safemode: Fuses OK (E:FF, H:DA, L:FF)

It appears the firmware downloaded is scrambled using [login to view URL] [login to view URL] -v -pm162 -c usbasp -F -U flash:r:i:\salcom\decoder\[login to view URL]:r as the first part of the bin file should be the reset interupt

00 00 01 01 00 00 03 03 00 00 01 01 04 04 07 07 00 00 01 01 00 00 03 03 08 08 09 09 0c 0c 0f 0f 00 00 01 01 00 00 03 03 00 00 01 01 04 04 07 07 10 10 11 11 10 10 13 13 18 18 19 19 1c 1c 1f 1f 00 00 01 01 00 00 03 03 00 00 01 01 04 04 07 07 00 00 01 01 00 00 03 03 08 08 09 09 0c 0c 0f 0f 20 20 21 21 20 20 23 23 20 20 21 21 24 24 27 27 30 30 31 31 30 30 33 33 38 38 39 39 3c 3c 3f 3f

the first bytes should contain a Jump 940C it containt 0000 which is a no-opp

So either the device is protected or the extract command is incorrect

Kĩ năng: Arduino, Điện tử, Vi điều khiển, Lập trình C, Kĩ thuật điện

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Về Bên Thuê:
( 13 nhận xét ) Wellington, New Zealand

ID dự án: #30586715

7 freelancer chào giá trung bình$217 cho công việc này

khanicha

Hello, You could upload the firmware directly instead of reverse engineering. Especially when you decide to use same hardware series. I will write the code for this purpose. Best Regards, Khamid

$250 NZD trong 2 ngày
(5 Nhận xét)
4.5
AndreySer

Hello, i've checked this hex files in the IDA disassembler and looks like it's in normal condition, can you write what changes needed to be made

$180 NZD trong 4 ngày
(9 Nhận xét)
4.5
younesboulahya

Is it important for you to decode the firmware? I just checked the schematic and can see the project is pretty straightforward, I need you to tell me what you expect from the ATMEGA, and I can do the firmware for you . Thêm

$250 NZD trong 7 ngày
(6 Nhận xét)
4.0
merinsinha

Senior electronics , Microcontroller Expert. As 9+ years experiences in these field. I can give good quality work. I have read the guidelines of your work.I believe that i can provide you the best quality works you a Thêm

$250 NZD trong 5 ngày
(6 Nhận xét)
3.7
gusakovanastenka

Hi DEAR CLIENT, thank you for posting a job. I am a senior electronics engineer. I have enough experience in Circuit Design, PCB Design, Microcontroller Firmware and Mechanical Engineering. I have understood the proje Thêm

$250 NZD trong 7 ngày
(1 Nhận xét)
2.8
issamjarroudi

[login to view URL] and [login to view URL] is to configure communication and the way to receive information is good note it's ok for me. I have all the materials I need to complete the Platinum Development Program. I Thêm

$140 NZD trong 7 ngày
(0 Nhận xét)
0.0
tukycr

I have worked in programming atmel micros in assembly for a long time and I have also had to retrieve code from .hex. I think I can be your best candidate, since as it is my first job as a freelance I can offer less pr Thêm

$200 NZD trong 10 ngày
(0 Nhận xét)
0.0