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Post Info TOPIC: M32160 or M32170 info
bk


Newbie

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Posts: 2
Date:
M32160 or M32170 info


Hi,

    I have a few aftermarket ECUs (HKS F-CON V Pro Gold) that utilise the M32R range of MCUs, specifically the M32160F4UFP and M32170F3VFP.

Just wondering if anyone has more information in relation to firmware reading and/or writing, either through bootloader (standard or custom) or through other means.

I do have access to a firmware update tool (for the M32160) and firmware image, but I believe the firmware update tool is write-only and is for the custom bootloader..

The reason I ask is because I would prefer to be able to read the original image on the firmware before I even consider writing the image, just in case I brick it.

BK.



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bk


Newbie

Status: Offline
Posts: 2
Date:

This is the format of the (custom?) firmware image uses for each "unit" of data:

53 AA BB _256_bytes_of_data_ checksum 0d 0a
00 AA BB _256_bytes_of_zeroes_ checksum 0d 0a

where AA is high-order address, and BB is middle-order address.

I know the firmware tool does not send 0d 0a (
\n) so I believe it's only used as a delimiter for each "unit". And whether it sends all zeroes for 00 I have not yet confirmed.

Does 53 or 00 look familiar?

Is there anything worth trying? I can put the hardware into boot mode by changing 4 DIP switches and pressing another switch momentarily upon power up and use the standard serial port for communications.

BK.

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