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GNU GENERAL PUBLIC LICENSE
Version 3, 29 June 2007
Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
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How to Apply These Terms to Your New Programs
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<one line to give the program's name and a brief idea of what it does.>
Copyright (C) 2024 BRONES Romain
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README.adoc 0 → 100644
+ 91
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View file @ 49246d30
= FOFB Yocto Project Documentation
:imagesdir: doc/images
// ================================================================================
== Description
This project is used to build the boot and root system of the FofbNodes systems.
The next figure gives a global idea of the Fofb Nodes integration to SOLEIL Fast Orbit Feedback.
Beam Position Monitors (BPM) output the position data, and Power Supply Controller (PSC) drive the steering magnets to move the beam with the correction values.
image::synoptique_application_topo.png[Topology,350]
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== Overview
The built system will sit in the PS (ARM) part of a Xilinx SoC.
It is used to access (control/monitor) the FPGA processing blocs from the local OS or from SOLEIL's control system (TANGO).
image::synoptique_platform.png[Platform,500]
=== Details
The system is based on Xilinx PetaLinux, headless (no graphic environment).
Base layers for this are taken from OpenEmdedded and Xilinx repositories. https://xilinx-wiki.atlassian.net/wiki/spaces/A/pages/18841883/Yocto
Board and system specific layers are taken from both DESY MSK and DESY Techlab.
ChimeraTK layer is brought in for the server application.
SOLEIL FofbNode applications and scripts, with the final image recipe are in SOLEIL layer.
https://gitlab.synchrotron-soleil.fr/dg/fofb/meta-soleil-fofb
Unlike other project, the `repo` tool is not used here.
Every layers are git submodules.
// ================================================================================
== Generation
=== System requirements
_To be completed_
=== Building the system
==== Checking out the source code
git clone git@gitlab.synchrotron-soleil.fr:dg/fofb/fofb-yocto.git
cd fofb-yocto
git submodule update --init --recursive
==== Setup directories in local conf file
The sources contains a `build_damc_fofb/conf/local.conf` that needs to be updated depending on the environment.
The download directory can be shared with other YOCTO projects.
# Shared DL_DIR
DL_DIR = "/opt/DG/Yocto/downloads"
The SSTATE directory *should be changed*. It must not be shared with another YOCTO project.
# Shared SSTATE DIR
SSTATE_DIR = "/put/some/path/"
The TMP directory *should be changed*. It receives all the outputs of the build. It cannot be a NFS mountpoint. It must not be shared with another YOCTO project.
# TMP is not on a NFS, so not on home
TMPDIR = "/put/some/path/"
The following lines shall be set to accomodate the firmware project. Put the names of all the Fimrware variants and a path where the `.xsa` and `.mapt` files can be fetched.
# PL VARIANTS
HDF_BASE="file://"
PL_VARIANTS_damc-fmc2zup = "FofbNode_CellNode FofbNode_CentralNode FofbNode_CellNode_test FofbNode_CentralNode_test"
PL_VARIANTS_DIR = "/home/sources/diagnostics/broucquart/YOCTO_FOFB/build_damc_fofb/variants_hdf"
==== Building
To setup the environment, use the setupsdk script
source setupsdk build_damc_fofb
Start the build for the image
bitbake zup-image-soleil-fofb
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