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Writing in the data flash of the BQ34Z100

Mario Campeau
Prodigy 185 points
Other Parts Discussed in Thread: BQ34Z100

HI,

I am using the BQ34Z100 EVB with the evaluation software. I am trying to change some settings in the data flash using the I2C. I am able to read and write the values but it doesn't stay in the flash probably because I am not entering the proper checksum. How do you calculate the checkum? I tried using the HMAC key and use the SHA1 checksum calculation but it doesn't fit with what I get when I read the BlockDataChecksum() command