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[FAQ] BQSTUDIO: I created a GMFS(gm.fs) file using bqStudio. How do I use it?

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Part Number: BQSTUDIO

I read a GMFS( gm.fs) file using Battery Management Studio. What is the purpose of this file and how do i use it?

  • A GMFS(gm.fs) file has the same format as a BQFS or DFFS file. It contains a sequence of commands to program RAM contents of a TI gas gauge. It is typically used with gauges that only have volatile memory.

    The purpose of the GMFS file is to provide a simple way for the host to write the contents of the GMFS file to the system side gauge to program RAM upon gauge power up. Your host must be capable of communicating using I2C or HDQ depending on the gauge and the physical connections. See the TI BMS Flashstream file format for details of the commands.

    bqStudio has a “Programming” or “Firmware” tab which can program FS(.fs) files.