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    BHI260AP Quaternion at 800 Hz

    BHI260AP Quaternion at 800 Hz

    dariosortino
    Established Member

    Hello! 
    I am using the BHI260 Shuttle-Board using an nRF5340 as a Host via I2C.

    My goal is to read Quaternion data at 800 Hz and to achieve so, I'm using the firmware shared in https://community.bosch-sensortec.com/t5/MEMS-sensors-forum/BHI260AP-Turbo-mode-with-BMM150/m-p/6244...

    The Chip Control Register (0x05) is correctly set to 0, but even if I try to set 800 Hz as the sampling frequency, in practice it caps it at 400.

    Any clue on how to solve/how to debug it?

     

     

     

    3 REPLIES 3

    BSTRobin
    Community Moderator
    Community Moderator

    Hi dariosortino,

    To confirm with you, did you use the firmware "Bosch_APP30_SHUTTLE_BHI260_turbo_aux_BMM150.fw"?

    Hello Robin,

    yes I am using Bosch_APP30_SHUTTLE_BHI260_turbo_aux_BMM150.fw

    I'm starting to wonder if the problem is in using I2C instead of SPI, but in the datasheet, I cannot find something that is explaining this behaviour.

    Hi dariosortino,

    In addition to using firmware with turbo,you could refer the following suggestions and test it again.
    1.Use SPI instead of I2C;
    2.Do not print any logs in the code, such as debugging information in the callback function through the serial port;
    3.In addition to obtaining Quaternion, try not to enable other virtual sensor IDs.

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