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    Re: BSEC integration problem on gcc Cortex A7

    Occasional Visitor

    Re: BSEC integration problem on gcc Cortex A7

    I am trying to use the BME on a STM32F746 Discovery board using STMCubeIDE and having difficulty compiling. 

    I added the BSEC files from the A7 folder and I get these errors:

    Src/bsec_integration.o: In function `bme680_bsec_process_data':
    C:/Users/rhegl/STM32CubeIDE/workspace_cubeIDE/ThermoScreenGFXv1/Debug/../Src/bsec_integration.c:417: undefined reference to `bsec_do_steps'
    Src/bsec_integration.o: In function `bsec_iot_loop':
    C:/Users/rhegl/STM32CubeIDE/workspace_cubeIDE/ThermoScreenGFXv1/Debug/../Src/bsec_integration.c:521: undefined reference to `bsec_sensor_control'
    C:/Users/rhegl/STM32CubeIDE/workspace_cubeIDE/ThermoScreenGFXv1/Debug/../Src/bsec_integration.c:539: undefined reference to `bsec_get_state'
    collect2.exe: error: ld returned 1 exit status

    I tried to add libalgobsec.a and the error is: /gcc\libalgobsec.a(bsec_interface.o): Conflicting architecture profiles A/M

    Thanks for your help.

    1 REPLY 1
    Community Moderator

    Re: BSEC integration problem on gcc Cortex A7

    Note: I have moved this post as it seems to be introducing a new topic.

    From your description, you seem to be including the library from the A7 folder, which is targeting the Cortex-A7 architecture. But based on your part number (STM32F746), it seems you would need the library for the Cortex-M7 architecture instead. This also seems to be confirmed by the error message:


    @RonH /gcc\libalgobsec.a(bsec_interface.o): Conflicting architecture profiles A/M

    Could you please confirm whether you are still facing compilation issues when using the libalgobsec.a file from the 'Cortex_M7' folder?

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