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BQ78350-R2-DEVICE-FW: .srec file read/write with MCU

Mett
Intellectual 340 points

Part Number: BQ78350-R2-DEVICE-FW

Hi team,

I’m working on BQ78350 battery fuel (gas) gauges product. I was writing a .srec file to “BQ78350-R2” IC with using “bqStudio” and then i read the .srec file from the same IC with the “bqStudio”.

After I opened read and written .srec files with notepad but .srec files are different from each other. They are similar but not completely the same.

  • Is this an expected situation ? If yes, what are the meanings of these different bytes ? If it's not, what causes the problem and what do you recommend to solve this problem?

Thanks.

Regards

  • 0
    TI__Guru* 81034 points

    Hi Mett,

    I think what you are observing is the different formats of the srec. They contain the same data, but the number of bytes per row is different. For some reason, the file that you download from ti.com is formatted differently from the way that BQStudio exports the srec. Both result in the same data being loaded to the device memory though.

    You can verify this by loading the exported srec to the device and then reading the srec again from the device. You should get the same result as the one you read the first time.

    Best regards,

    Matt