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  • Case ID: 346317
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How to compile v3.0.x/modules/hal/nordic/nrfx/samples ?

jle

I was able to complie many of the nrfx/samples under SDK v2.5.0 using VS Code IDE but cannot successfully compile any under SDK v3.0.0 .

The [Building and running]: <../../README.md#building-and-running> link referenced in the README.md file of each sample doesn't exist.

While the <../../README.md#building-and-running> link did not exist for v2.5.0 either at least  I was able to successfully compile and flash many of the examples.

Now I am stumped.  Attempts via 'Build system default', 'Use Sysbuild', or 'No sysbuild', or trying  'west build --board ..' via a 'nRF Serial Terminal' all fail.

Please tell me how to compile the 'v3.0.x/modules/hal/nordic/nrfx/samples'.

My need to make use of the Easy-DMA capability of nrf5340 spim4 , PWM, and also implement a delay line effect on a digital input signal. All without consuming excessive CPU cycles.

Thanks,

-JLE

  • 0

    Hi JLE,

    Is this the error you have got?

    CMake Error at CMakeLists.txt:11 (GET_DEVICE_CONFIG_FILES):
  GET_DEVICE_CONFIG_FILES Macro invoked with incorrect arguments for macro
  named: GET_DEVICE_CONFIG_FILES

    If so, I have narrowed down the issue to the BOARD variable being not set when this CMake line is run:
    hal_nordic/nrfx/samples/src/nrfx_spim/non_blocking/CMakeLists.txt at nrfx-3.9.0 · zephyrproject-rtos/hal_nordic

    I am unclear why yet. I will continue investigating it and update you this week.

    Hieu

  • 0 in reply to Hieu

    Hi Hieu,

    (1) The Cmake error is indeed what occurred when I was using sysbuild. 

    Note the 'src/nrfx_spim/non_blocking' sample compiles for me when using 'No sysbuild'.

    Unfortunately I was trying to compile the 'nrfx-samples-v3.0.0/src/nrfx_rng' sample when I filed my report. That specific sample fails under 'Use sysbuild', 'No sysbuild' , and 'west ...' command line scenarios. That sample is a red herring for my underlying issue.

    My desire is for 'Use sysbuild' to work for all of the nrfx samples since I am trying to upgrade my project (which was organized using the directory structure of the nrfx samples) to SDK v3.0.0. In other words I have hierarchically organized  legacy library source code needed by many of my apps residing within the equivalent of a  'samples/common' directory'. 

    Looking forward to you update regarding the BOARD variable.

    (2) Is there a guide for the correct way within the SDK v3.0.0 framework to develop (or use  available open source ) common source code used by multiple apps? I am not referring to a zephyr driver module for a sensor but more like a quaternion math library. 

    -jle

  • 0 in reply to jle

    Hi JLE,

    jle said:
    Unfortunately I was trying to compile the 'nrfx-samples-v3.0.0/src/nrfx_rng' sample when I filed my report. That specific sample fails under 'Use sysbuild', 'No sysbuild' , and 'west ...' command line scenarios. That sample is a red herring for my underlying issue.

    This is unfortunate. I will have to revisit this later to see what is wrong with that sample in particular.

    The fact that no-sysbuild works is a big clue. With that, I found that the BOARD variable stays in the list of Sysbuild CMake variable and isn't passed down to the application build.

    Adding these lines before GET_DEVICE_CONFIG_FILES() in the samples' CMakeLists.txt fixes that build issue:

    find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
zephyr_get(BOARD SYSBUILD GLOBAL)

    Having said that, I don't think it's a good idea to use the nrfx samples' structure everywhere. The nrfx samples try to be as OS-agnostic as possible, so it has that peculiar setup with the "common" directory.

    jle said:
    (2) Is there a guide for the correct way within the SDK v3.0.0 framework to develop (or use  available open source ) common source code used by multiple apps? I am not referring to a zephyr driver module for a sensor but more like a quaternion math library. 

    I recommend going over the guides here:

    https://docs.nordicsemi.com/bundle/ncs-3.0.2/page/zephyr/connectivity/bluetooth/bluetooth-dev.html
    https://docs.nordicsemi.com/bundle/ncs-3.0.2/page/zephyr/develop/application/index.html

    I believe the application types you are interested in would be Freestanding Application or Workspace Application.

    If you are not totally familiar with Zephyr concepts yet, I recommend the online courses on our Developer Academy website.

    I hope that is enough for you to progress now. I will figure out what else is wrong with the RNG sample in one to three business days.

    Hieu

  • 0 in reply to Hieu

    Hi JLE,

    The problem with the nrfx_rng sample is that on the nRF5340, only the network core can access the RNG peripheral, so the sample must be built for the cpunet target.

    However, it still won't work well because the sample isn't setup to have an application core image. The application core has ownership over all pins by default, so there must at least be a minimal application that pass the ownership of UART pins to the network core for the nrfx_rng sample to work.

    I will register an issue internally. My apology for the inconvenience. I hope this issue doesn't block your project.

    Hieu

  • 0 in reply to Hieu

    I was able to build the spim non-blocking example successfully via 'Use sysbuild' by modifying the CMakeLists.txt file as you suggested (which is as follows for those who may be interested):

    -------------------

    cmake_minimum_required(VERSION 3.20.0)

    if(DEFINED CUSTOM_BOILERPLATE)

        include(${CUSTOM_BOILERPLATE})

        return()

    endif()

    set(COMMON_PATH ${CMAKE_CURRENT_LIST_DIR}/../../../common)

    include(${COMMON_PATH}/common.cmake)

    find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})

    zephyr_get(BOARD SYSBUILD GLOBAL)

    GET_DEVICE_CONFIG_FILES(${BOARD} ../boards)

    project(nrfx_example)

    target_sources(app PRIVATE main.c)

    target_include_directories(app PRIVATE ../../../common)

    -----------------

    As far as the 'application type'  to use I will attempt to migrate my code via the 'Creating an Application' section of the following guide:

    https://docs.zephyrproject.org/latest/develop/application/index.html#zephyr-workspace-app

    There is even a starting example application provided:

    https://github.com/zephyrproject-rtos/example-application

    Thanks for your prompt and useful assistance.

    Regards

    JLE

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