How to config the nRF5340 Audio DK as a gateway

Dear Support Team

I just added the CONFIG_AUDIO_DEV=2 to the prj.conf to make the nRF5340 Audio application as a gateway in CIS mode, but the RGB2 and LED3 didn't blink green as the document said after I used the VS code to compile and flash to board. I didn't know what cuse this.

The NCS version is 2.1.2 and the attachment is my code. Many thanks.

nrf5340_audio.7z

  • Hello Tom,

    Does the LEDs blink at all when you flash it without this configuration? Does it help to recover the device before flashing? (ie. running 'nrfjprog --recover'). Do you get any reaction from it on the COM ports?

    Regards,

    Elfving

  • Dear Elfving

    You said:Does the LEDs blink at all when you flash it without this configuration?

    Without this configuration, the LEDS status show as the pictures below and didn't blink after I flashed the board.

    You said: Does it help to recover the device before flashing?(ie. running 'nrfjprog --recover')

    I have run the 'nrfjprog --recover ' before flashing. Below picture shows the running result.

    You said:Do you get any reaction from it on the COM ports?

    I get the reactions as the below picture show after I flashed the board.

    I configure the VS Code  as the below pictures show.

    The log below is from built, there were some warning log.

     *  Executing task: nRF Connect: Generate config nrf5340_audio_dk_nrf5340_cpuapp for c:\nrfconnectsdk\myapps\V2.1.2\nrf5340_audio 
    
    Building nrf5340_audio
    west build --build-dir c:\nrfconnectsdk\myapps\V2.1.2\nrf5340_audio\build c:\nrfconnectsdk\myapps\V2.1.2\nrf5340_audio --pristine --board nrf5340_audio_dk_nrf5340_cpuapp -- -DNCS_TOOLCHAIN_VERSION:STRING="NONE" -DCONFIG_DEBUG_OPTIMIZATIONS=y -DCONFIG_DEBUG_THREAD_INFO=y
    
    -- west build: generating a build system
    Loading Zephyr default modules (Zephyr base).
    -- Application: C:/nrfconnectsdk/myapps/V2.1.2/nrf5340_audio
    -- Found Python3: C:/nrfconnectsdk/toolchains/v2.1.2/opt/bin/python.exe (found suitable exact version "3.8.2") found components: Interpreter 
    -- Cache files will be written to: C:/nrfconnectsdk/v2.1.2/zephyr/.cache
    -- Zephyr version: 3.1.99 (C:/nrfconnectsdk/v2.1.2/zephyr)
    -- Found west (found suitable version "0.14.0", minimum required is "0.7.1")
    -- Board: nrf5340_audio_dk_nrf5340_cpuapp
    -- Found host-tools: zephyr 0.14.1 (C:/nrfconnectsdk/toolchains/v2.1.2/opt/zephyr-sdk)
    -- Found dtc: C:/nrfconnectsdk/toolchains/v2.1.2/opt/bin/dtc.exe (found suitable version "1.4.7", minimum required is "1.4.6")
    -- Found toolchain: zephyr 0.14.1 (C:/nrfconnectsdk/toolchains/v2.1.2/opt/zephyr-sdk)
    -- Found BOARD.dts: C:/nrfconnectsdk/v2.1.2/nrf/boards/arm/nrf5340_audio_dk_nrf5340/nrf5340_audio_dk_nrf5340_cpuapp.dts
    -- Generated zephyr.dts: C:/nrfconnectsdk/myapps/V2.1.2/nrf5340_audio/build/zephyr/zephyr.dts
    -- Generated devicetree_unfixed.h: C:/nrfconnectsdk/myapps/V2.1.2/nrf5340_audio/build/zephyr/include/generated/devicetree_unfixed.h
    -- Generated device_extern.h: C:/nrfconnectsdk/myapps/V2.1.2/nrf5340_audio/build/zephyr/include/generated/device_extern.h
    -- Including generated dts.cmake file: C:/nrfconnectsdk/myapps/V2.1.2/nrf5340_audio/build/zephyr/dts.cmake
    Parsing C:/nrfconnectsdk/myapps/V2.1.2/nrf5340_audio/Kconfig
    Loaded configuration 'C:/nrfconnectsdk/v2.1.2/nrf/boards/arm/nrf5340_audio_dk_nrf5340/nrf5340_audio_dk_nrf5340_cpuapp_defconfig'
    Merged configuration 'C:/nrfconnectsdk/myapps/V2.1.2/nrf5340_audio/prj.conf'
    Merged configuration 'C:/nrfconnectsdk/myapps/V2.1.2/nrf5340_audio/build/zephyr/misc/generated/extra_kconfig_options.conf'
    Configuration saved to 'C:/nrfconnectsdk/myapps/V2.1.2/nrf5340_audio/build/zephyr/.config'
    Kconfig header saved to 'C:/nrfconnectsdk/myapps/V2.1.2/nrf5340_audio/build/zephyr/include/generated/autoconf.h'
    
    warning: The choice symbol USB_DRIVER_LOG_LEVEL_ERR (defined at
    subsys/logging/Kconfig.template.log_config:11) was selected (set =y), but no symbol ended up as the
    choice selection. See
    http://docs.zephyrproject.org/latest/kconfig.html#CONFIG_USB_DRIVER_LOG_LEVEL_ERR and/or look up
    USB_DRIVER_LOG_LEVEL_ERR in the menuconfig/guiconfig interface. The Application Development Primer,
    Setting Configuration Values, and Kconfig - Tips and Best Practices sections of the manual might be
    helpful too.
    
    
    warning: The choice symbol USB_DEVICE_LOG_LEVEL_ERR (defined at
    subsys/logging/Kconfig.template.log_config:11) was selected (set =y), but no symbol ended up as the
    choice selection. See
    http://docs.zephyrproject.org/latest/kconfig.html#CONFIG_USB_DEVICE_LOG_LEVEL_ERR and/or look up
    USB_DEVICE_LOG_LEVEL_ERR in the menuconfig/guiconfig interface. The Application Development Primer,
    Setting Configuration Values, and Kconfig - Tips and Best Practices sections of the manual might be
    helpful too.
    
    
    warning: Experimental symbol NRF5340_AUDIO is enabled.
    
    
    warning: Experimental symbol BT_ISO_PERIPHERAL is enabled.
    
    
    warning: Experimental symbol BT_AUDIO is enabled.
    
    
    warning: Experimental symbol BT_AUDIO_UNICAST_SERVER is enabled.
    
    
    warning: Experimental symbol BT_VCS is enabled.
    
    -- The C compiler identification is GNU 10.3.0
    -- The CXX compiler identification is GNU 10.3.0
    -- The ASM compiler identification is GNU
    -- Found assembler: C:/nrfconnectsdk/toolchains/v2.1.2/opt/zephyr-sdk/arm-zephyr-eabi/bin/arm-zephyr-eabi-gcc.exe
    -- libmetal version: 1.2.0 (C:/nrfconnectsdk/myapps/V2.1.2/nrf5340_audio)
    -- Build type:  
    -- Host:    Windows/AMD64
    -- Target:  Generic/arm
    -- Machine: arm
    -- Looking for include file stdatomic.h
    -- Looking for include file stdatomic.h - found
    -- open-amp version: 1.2.0 (C:/nrfconnectsdk/v2.1.2/modules/lib/open-amp/open-amp)
    -- Host:    Windows/AMD64
    -- Target:  Generic/arm
    -- Machine: arm
    -- C_FLAGS :  -Wall -Wextra
    -- Looking for include file fcntl.h
    -- Looking for include file fcntl.h - found
    CMake Warning at C:/nrfconnectsdk/v2.1.2/zephyr/CMakeLists.txt:1839 (message):
      __ASSERT() statements are globally ENABLED
    
    
    -- Configuring done
    -- Generating done
    -- Build files have been written to: C:/nrfconnectsdk/myapps/V2.1.2/nrf5340_audio/build
    -- west build: building application
    [1/421] Generating include/generated/version.h
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    Memory region         Used Size  Region Size  %age Used
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     *  Terminal will be reused by tasks, press any key to close it. 
    

    The log below is from flashing the board, I found that it only flashed the zephyr.hex to the board. Has it flashed the network code? and how to flash the network code by VS code?

    *  Executing task: nRF Connect: Build: nrf5340_audio/build (active) 
    
    Building nrf5340_audio
    west build --build-dir c:\nrfconnectsdk\myapps\V2.1.2\nrf5340_audio\build c:\nrfconnectsdk\myapps\V2.1.2\nrf5340_audio
    
    ninja: no work to do.
     *  Terminal will be reused by tasks, press any key to close it. 
    
     *  Executing task: nRF Connect: Flash: nrf5340_audio/build (active) 
    
    Flashing build to 1050158184
    west flash -d c:\nrfconnectsdk\myapps\V2.1.2\nrf5340_audio\build --skip-rebuild -r nrfjprog --dev-id 1050158184
    
    -- west flash: using runner nrfjprog
    -- runners.nrfjprog: Flashing file: c:\nrfconnectsdk\myapps\V2.1.2\nrf5340_audio\build\zephyr\zephyr.hex
    Parsing image file.
    Verifying programming.
    Verified OK.
    Applying pin reset.
    -- runners.nrfjprog: Board with serial number 1050158184 flashed successfully.
     *  Terminal will be reused by tasks, press any key to close it. 

    Thanks for your patiently support.

  • Tom.Fu said:

    Without this configuration, the LEDS status show as the pictures below and didn't blink after I flashed the board.

    So here the center LED is solid red, a fault in the application core has occurred. Is there any info on the log when you connect to the com port?

    Is the center LED a solid red with CONFIG_AUDIO_DEV=2 as well?

    Tom.Fu said:
    Has it flashed the network code?

    Yes most likely, given that you flash it using the default 'Flash' Action in VSC.

    Regards,

    Elfving

  • Elfving Said:

    So here the center LED is solid red, a fault in the application core has occurred. Is there any info on the log when you connect to the com port?

    Did you mean the log on VS Code terminal? There was no log when I connect to the com port.

    Elfving Said:

    Is the center LED a solid red with CONFIG_AUDIO_DEV=2 as well?

    Yes, LEDs status was as the same as it with CONFIG_AUDIO_DEV=2.

    But today I found problems on the VS code as the picture below show. Is that cause the fault in the application core?

  • Hello again, 

    So what are you seeing if you build and flash something like the Blinky sample to the DK?

    Tom.Fu said:

    Did you mean the log on VS Code terminal? There was no log when I connect to the com port.

    I see. This might come from the cirrus logic chip not being initialized properly. Could you try turning it off and on a few times repeatedly and see if it helps?

    Tom.Fu said:

    But today I found problems on the VS code as the picture below show. Is that cause the fault in the application core?

    No that shouldn't be a problem, I'm seeing the same on my side.

    Regards,

    Elfving

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