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Segger Embedded Studio compilation support for nRF52840 BLE chip

Hi,

   We are developing the product based on nRF52840 Chipset for BLE Application. We are using the Segger Embedded Studio (SEGGER Embedded Studio for ARM Release 3.52a) as a development environment. During our initial development the we have used the Debug mode for compilation and we were able to load the Generated Hex File and the BLE chip is working Fine, But for Production we need to generating the Executable in  Release mode, after generating the file in release mode and loading it the BLE chip is not coming up(The chip is not advertising its name).

Could you please let us know is there any step need to be taken care while switching between debug mode and release mode compilation in SES.

Regards,

Ram

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  • Hi,

      Once it enters into the point specifies we are not to see the call stack in the SES.

     Is there any problem with the memory configuration we are doing while using the option release mode, because the same code works fine in release mode when we set the optimization level to either None or DEBUG. 

    Could you pleases suggest the memory configuration is correct or not in the below snippet

    We are using S140 Softdevice along with the bootloder.

    Memory Segment

    I am also attaching the Flash_placement.xml in the attachment. please have a looks


    <!DOCTYPE Linker_Placement_File>
    <Root name="Flash Section Placement">
      <MemorySegment name="FLASH" start="$(FLASH_PH_START)" size="$(FLASH_PH_SIZE)">
        <ProgramSection load="no" name=".reserved_flash" start="$(FLASH_PH_START)" size="$(FLASH_START)-$(FLASH_PH_START)" />
        <ProgramSection alignment="0x100" load="Yes" name=".vectors" start="$(FLASH_START)" />
        <ProgramSection alignment="4" load="Yes" name=".init" />
        <ProgramSection alignment="4" load="Yes" name=".init_rodata" />
        <ProgramSection alignment="4" load="Yes" name=".text" />
        <ProgramSection alignment="4" keep="Yes" load="Yes" name=".sdh_soc_observers" inputsections="*(SORT(.sdh_soc_observers*))" address_symbol="__start_sdh_soc_observers" end_symbol="__stop_sdh_soc_observers" />
        <ProgramSection alignment="4" keep="Yes" load="Yes" name=".sdh_ble_observers" inputsections="*(SORT(.sdh_ble_observers*))" address_symbol="__start_sdh_ble_observers" end_symbol="__stop_sdh_ble_observers" />
        <ProgramSection alignment="4" keep="Yes" load="Yes" name=".pwr_mgmt_data" inputsections="*(SORT(.pwr_mgmt_data*))" address_symbol="__start_pwr_mgmt_data" end_symbol="__stop_pwr_mgmt_data" />
        <ProgramSection alignment="4" keep="Yes" load="Yes" name=".log_const_data" inputsections="*(SORT(.log_const_data*))" address_symbol="__start_log_const_data" end_symbol="__stop_log_const_data" />
        <ProgramSection alignment="4" keep="Yes" load="Yes" name=".nrf_balloc" inputsections="*(.nrf_balloc*)" address_symbol="__start_nrf_balloc" end_symbol="__stop_nrf_balloc" />
        <ProgramSection alignment="4" keep="Yes" load="Yes" name=".sdh_state_observers" inputsections="*(SORT(.sdh_state_observers*))" address_symbol="__start_sdh_state_observers" end_symbol="__stop_sdh_state_observers" />
        <ProgramSection alignment="4" keep="Yes" load="Yes" name=".sdh_stack_observers" inputsections="*(SORT(.sdh_stack_observers*))" address_symbol="__start_sdh_stack_observers" end_symbol="__stop_sdh_stack_observers" />
        <ProgramSection alignment="4" keep="Yes" load="Yes" name=".sdh_req_observers" inputsections="*(SORT(.sdh_req_observers*))" address_symbol="__start_sdh_req_observers" end_symbol="__stop_sdh_req_observers" />
        <ProgramSection alignment="4" keep="Yes" load="Yes" name=".nrf_queue" inputsections="*(.nrf_queue*)" address_symbol="__start_nrf_queue" end_symbol="__stop_nrf_queue" />
        <ProgramSection alignment="4" keep="Yes" load="Yes" name=".cli_command" inputsections="*(.cli_command*)" address_symbol="__start_cli_command" end_symbol="__stop_cli_command" />
        <ProgramSection alignment="4" keep="Yes" load="Yes" name=".crypto_data" inputsections="*(SORT(.crypto_data*))" address_symbol="__start_crypto_data" end_symbol="__stop_crypto_data" />
        <ProgramSection alignment="4" keep="Yes" load="No" name=".nrf_sections" address_symbol="__start_nrf_sections" />
        <ProgramSection alignment="4" keep="Yes" load="Yes" name=".log_dynamic_data"  inputsections="*(SORT(.log_dynamic_data*))" runin=".log_dynamic_data_run"/>
        <ProgramSection alignment="4" keep="Yes" load="Yes" name=".fs_data"  inputsections="*(.fs_data*)" runin=".fs_data_run"/>
        <ProgramSection alignment="4" keep="Yes" load="Yes" name=".cli_sorted_cmd_ptrs"  inputsections="*(.cli_sorted_cmd_ptrs*)" runin=".cli_sorted_cmd_ptrs_run"/>
        <ProgramSection alignment="4" keep="Yes" load="Yes" name=".nrf_mesh_flash"  inputsections="*(SORT(.nrf_mesh_flash.*))" address_symbol="__start_nrf_mesh_flash" end_symbol="__stop_nrf_mesh_flash"/>
        <ProgramSection alignment="4" load="Yes" name=".dtors" />
        <ProgramSection alignment="4" load="Yes" name=".ctors" />
        <ProgramSection alignment="4" load="Yes" name=".rodata" />
        <ProgramSection alignment="4" load="Yes" name=".ARM.exidx" address_symbol="__exidx_start" end_symbol="__exidx_end" />
        <ProgramSection alignment="4" load="Yes" runin=".fast_run" name=".fast" />
        <ProgramSection alignment="4" load="Yes" runin=".data_run" name=".data" />
        <ProgramSection alignment="4" load="Yes" runin=".tdata_run" name=".tdata" />
      </MemorySegment>
      <MemorySegment name="RAM" start="$(RAM_PH_START)" size="$(RAM_PH_SIZE)">
        <ProgramSection load="no" name=".reserved_ram" start="$(RAM_PH_START)" size="$(RAM_START)-$(RAM_PH_START)" />
        <ProgramSection alignment="0x100" load="No" name=".vectors_ram" start="$(RAM_START)" address_symbol="__app_ram_start__"/>
        <ProgramSection alignment="4" keep="Yes" load="No" name=".nrf_sections_run" address_symbol="__start_nrf_sections_run" />
        <ProgramSection alignment="4" keep="Yes" load="No" name=".log_dynamic_data_run" address_symbol="__start_log_dynamic_data" end_symbol="__stop_log_dynamic_data" />
        <ProgramSection alignment="4" keep="Yes" load="No" name=".fs_data_run" address_symbol="__start_fs_data" end_symbol="__stop_fs_data" />
        <ProgramSection alignment="4" keep="Yes" load="No" name=".cli_sorted_cmd_ptrs_run" address_symbol="__start_cli_sorted_cmd_ptrs" end_symbol="__stop_cli_sorted_cmd_ptrs" />
        <ProgramSection alignment="4" keep="Yes" load="No" name=".nrf_sections_run_end" address_symbol="__end_nrf_sections_run" />
        <ProgramSection alignment="4" keep="Yes" load="No" name=".nrf_mesh_ram"  inputsections="*(SORT(.nrf_mesh_ram.*))" address_symbol="__start_nrf_mesh_ram" end_symbol="__stop_nrf_mesh_ram"/>
        <ProgramSection alignment="4" load="No" name=".fast_run" />
        <ProgramSection alignment="4" load="No" name=".data_run" />
        <ProgramSection alignment="4" load="No" name=".tdata_run" />
        <ProgramSection alignment="4" load="No" name=".bss" />
        <ProgramSection alignment="4" load="No" name=".tbss" />
        <ProgramSection alignment="4" load="No" name=".non_init" />
        <ProgramSection alignment="4" size="__HEAPSIZE__" load="No" name=".heap" />
        <ProgramSection alignment="8" size="__STACKSIZE__" load="No" place_from_segment_end="Yes" name=".stack"  address_symbol="__StackLimit" end_symbol="__StackTop"/>
        <ProgramSection alignment="8" size="__STACKSIZE_PROCESS__" load="No" name=".stack_process" />
      </MemorySegment>
    </Root>
    

    Reagrds,

    Ram

  • Hi Ram,

    Could you set the debugging level in the code generation setting to Debugging level 3 and see if you get more information regarding the call stack then?

    Also, are you able run our Mesh DFU example

    regards

    Jared

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