Writing custom ID in EEPROM of Jetson TX2 NS

Robotics & Edge Computing Jetson & Embedded Systems Jetson TX2
1

Hi ,

I was able to write custom data into certain 0x00 blocks of our Jetson TX2 board. After writing a new character, I cannot flash the board again. It is failing at checking cvm.bin(has eeprom data where the flash.sh checks the board data before flashing) file.

However I’m required to write a custom id into the SOM that should not be erased or modified with - firmware reflashed or upgrades.
Please suggest a methord to achieve this: Either by overiding the cvm.bin check while flashing or writing the custom id in allowed blocks that wont stop the flash/upgrade of the board again after setting it.

3

You need to modify the last byte 255 in the EEPROM when you modify anything in 0-254.

That 255 one is a crc checksum.

4

@WayneWWW thank you for the reply. Is there any otherway to save the custom id within the som. that cannot be erased or modified with firmware upgrade?

5

What are you trying to save here? I don’t know what do you mean custom ID.

Are you talking about the content in the EEPROM? That thing has nothing to do with flash. Flash won’t change anyhting inside or it.

7

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