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  • Case ID: 279160
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Storing to flash storage

SpencerEtn

Hi, 

We're working on the nrf52833 chipset and were wondering how to add more data to the flash storage. I've traced the calls of load_settings() in the main and where fcb_init() is called in bt_enable() but it seems to just know where flash data is. There's no struct or file that actually has data that I can manipulate / add to. Ideally, we would like to be able to see where the bluetooth configuration data is in the flash. Any pointers to the right direction or advice would be appreciated.

Thanks,

Spencer

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  • 0

     Hi Spencer

    Just to clarify:

    Do you want to store data not related to the Bluetooth to flash storage?

    Regards,
    Sigurd Hellesvik

  • 0 in reply to Sigurd Hellesvik

    Hi Sigurd,

    Yes, we want to be able to store specific device information and sensor readings to flash storage if possible.

  • 0 in reply to SpencerEtn

    Hi Spencer,

    Which tool are you using to build your project?

    Could you post the full error log?

    Regards,
    Sigurd Hellesvik

  • 0 in reply to Sigurd Hellesvik

    Hi,

    I'm using Segger Embedded Studio. Sure, here is the error log. It's quite long so if you want anything more specific let me know! Thanks.



    app/libapp.a(NVSAbstraction.o): in function `NVSAbstraction::testing()':
    undefined reference to `nvs_init'
    c:/users/e0645950/documents/otherbranches/champ2_central_uc_fw/nordicsdk/nrf_connect_sdk/v1.5.1/toolchain/opt/bin/../lib/gcc/arm-none-eabi/9.2.1/../../../../arm-none-eabi/bin/ld.exe: C:\Users\E0645950\Documents\OtherBranches\champ2_central_uc_fw\NordicSDK\NRF_Connect_SDK\nrfConnectprj\champ_light_build_nrf52833/../../../../CHAMPSourceCode/PIC_SDK_AbstractionLayer/HardwareAbstraction/NVSAbstraction.cpp:92: undefined reference to `nvs_read'
    c:/users/e0645950/documents/otherbranches/champ2_central_uc_fw/nordicsdk/nrf_connect_sdk/v1.5.1/toolchain/opt/bin/../lib/gcc/arm-none-eabi/9.2.1/../../../../arm-none-eabi/bin/ld.exe: C:\Users\E0645950\Documents\OtherBranches\champ2_central_uc_fw\NordicSDK\NRF_Connect_SDK\nrfConnectprj\champ_light_build_nrf52833/../../../../CHAMPSourceCode/PIC_SDK_AbstractionLayer/HardwareAbstraction/NVSAbstraction.cpp:100: undefined reference to `nvs_write'
    c:/users/e0645950/documents/otherbranches/champ2_central_uc_fw/nordicsdk/nrf_connect_sdk/v1.5.1/toolchain/opt/bin/../lib/gcc/arm-none-eabi/9.2.1/../../../../arm-none-eabi/bin/ld.exe: C:\Users\E0645950\Documents\OtherBranches\champ2_central_uc_fw\NordicSDK\NRF_Connect_SDK\nrfConnectprj\champ_light_build_nrf52833/../../../../CHAMPSourceCode/PIC_SDK_AbstractionLayer/HardwareAbstraction/NVSAbstraction.cpp:104: undefined reference to `nvs_read'
    c:/users/e0645950/documents/otherbranches/champ2_central_uc_fw/nordicsdk/nrf_connect_sdk/v1.5.1/toolchain/opt/bin/../lib/gcc/arm-none-eabi/9.2.1/../../../../arm-none-eabi/bin/ld.exe: C:\Users\E0645950\Documents\OtherBranches\champ2_central_uc_fw\NordicSDK\NRF_Connect_SDK\nrfConnectprj\champ_light_build_nrf52833/../../../../CHAMPSourceCode/PIC_SDK_AbstractionLayer/HardwareAbstraction/NVSAbstraction.cpp:106: undefined reference to `nvs_write'
    c:/users/e0645950/documents/otherbranches/champ2_central_uc_fw/nordicsdk/nrf_connect_sdk/v1.5.1/toolchain/opt/bin/../lib/gcc/arm-none-eabi/9.2.1/../../../../arm-none-eabi/bin/ld.exe: C:\Users\E0645950\Documents\OtherBranches\champ2_central_uc_fw\NordicSDK\NRF_Connect_SDK\nrfConnectprj\champ_light_build_nrf52833/../../../../CHAMPSourceCode/PIC_SDK_AbstractionLayer/HardwareAbstraction/NVSAbstraction.cpp:116: undefined reference to `nvs_read_hist'
    c:/users/e0645950/documents/otherbranches/champ2_central_uc_fw/nordicsdk/nrf_connect_sdk/v1.5.1/toolchain/opt/bin/../lib/gcc/arm-none-eabi/9.2.1/../../../../arm-none-eabi/bin/ld.exe: C:\Users\E0645950\Documents\OtherBranches\champ2_central_uc_fw\NordicSDK\NRF_Connect_SDK\nrfConnectprj\champ_light_build_nrf52833/../../../../CHAMPSourceCode/PIC_SDK_AbstractionLayer/HardwareAbstraction/NVSAbstraction.cpp:126: undefined reference to `nvs_write'
    c:/users/e0645950/documents/otherbranches/champ2_central_uc_fw/nordicsdk/nrf_connect_sdk/v1.5.1/toolchain/opt/bin/../lib/gcc/arm-none-eabi/9.2.1/../../../../arm-none-eabi/bin/ld.exe: C:\Users\E0645950\Documents\OtherBranches\champ2_central_uc_fw\NordicSDK\NRF_Connect_SDK\nrfConnectprj\champ_light_build_nrf52833/../../../../CHAMPSourceCode/PIC_SDK_AbstractionLayer/HardwareAbstraction/NVSAbstraction.cpp:135: undefined reference to `nvs_write'
    ld returned 1 exit status
    Build failed

    *edited to make shorter

  • 0 in reply to SpencerEtn

    Hi Spencer

    How does your prj.conf look?

    Regards,
    Sigurd Hellesvik

  • 0 in reply to Sigurd Hellesvik

    Which one? My system finds a bunch when I type it in. Anything in particular I should be looking for inside of it?

  • 0 in reply to SpencerEtn

    Hi Spencer,

    nRF Connect SDK projects are set up in a specific way. See the Zephyr Hello World sample for how it looks:

    Your main file will be located in a "src/" folder. The prj.conf I refer to is the file located in the same folder as "src".

    To learn more about the basics of nRF Connect SDK, see the nRF Connect SDK Tutorial series.

    Regards,
    Sigurd Hellesvik

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