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Introduction:

Dac feature is based of 3 stages in BPIR4.
1)Dac functionality in BPIR4.
      -dobby , crun and dsm functionality play a major role from device side, which are used for the running of any dac application in the BPIR4 device .
      -Above mentioned all funtionality has been brought to BPIR4 by including "dac" distro feature, for reference you follow mentioned jira. RDKBACCL-318 - Getting issue details... STATUS

Page is under development
Reference Broadband Application

Steps to generate OCI Image

               -By default BPIR4 support aarch64.

  • Build instructions

# Build instructions
#following repo commands will required meta-layers see manifest of https://code.rdkcentral.com/r/plugins/gitiles/manifests/+/refs/heads/rdk-next/rdkb-extsrc.xml
repo init -u https://code.rdkcentral.com/r/rdkcmf/manifests -m rdkb-extsrc.xml -b kirkstone
 
 
#execute the below command to clone the meta-dac-sdk-broadband and bitbake
sed -i '/oe-layers.xml/a  \ \ \ \ <project name="rdkcentral/meta-dac-sdk-broadband" remote="github" path="meta-dac-sdk-broadband" revision="main" /> \n\ \ \ \ <project name="yoctoproject/poky" remote="github" path="." revision="1e0d58c53b7d9c3feb631e46666ae7a3e3614253" upstream="kirkstone"/>' .repo/manifests/rdkb-extsrc.xml
 
 
 
repo sync -j `nproc` --no-clone-bundle --no-tags
 
# cherrypick the below link to overcome the old syntax override issue with bitbake
cd bitbake && git fetch https://code.rdkcentral.com/r/rdk/components/opensource/oe/bitbake refs/changes/35/85335/3 && git cherry-pick FETCH_HEAD && cd ..
 
. ./oe-init-build-env
cp ../meta-dac-sdk-broadband/manifests/bblayers.conf conf/
echo 'MACHINE = "raspberrypi4-64"' >> conf/local.conf
      
# Building Iperf DAC app
bitbake dac-image-

Bundle Creation

  • https://github.com/rdkcentral/BundleGen

    ->New template for BPIR4.
        1)bpir4_reference.json
        2)bpir4_reference_libs.json
         
  • Generate OCI bundle from the OCI image using Bundlegen tool
    • git clone https://github.com/rdkcentral/BundleGen.git  (clone Bundlegen code.)
    • cd BundleGen
    • export PYTHONPATH=/usr/lib/python3.8/site:$PYTHONPATH
    • tar -xvf dac-image-iperf3-raspberrypi4-20240930100642.rootfs-oci.tar
    • bundlegen generate --platform rpi4_reference_bb_kirkstone oci:dac-image-iperf3-raspberrypi4-20240930100642.rootfs-oci.tar ~/iperf332 (creates the iperf332.tar.gz bundle file)
    • follow this  iperf3 application document to test the iperf3 application using dac 

CPE code base

  • No changes required

Reference ticket

REFPLTB-2924 - Required meta-dac-sdk-broadband kirkstone support for DAC In Progress

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