White Rabbit: 23-02-2017: WR Job vacancy at CERN

Added by Erik van der Bij on 23 Feb 2017 at 13:21

CERN has opened a vacancy for a job that is very much White Rabbit related:
Electronics and networking engineer

Furthermore another, more general HDL developer job is opened:
HDL Developer

GBT-based Expandable Front-End (GEFE): The GEFE project @ RADECS16 (from 19/09/16 to 23/09/16)

Added by Manoel Barros Marin on 15 Feb 2017 at 14:26

A poster of the GEFE project has been displayed during the RADiation Effects on Components & Systems (RADECS) 2016 conference, held at Bremen from 19/09/16 to 23/09/16.

The poster can be downloaded from the "DOCUMENTS" section of this site.

GBT-based Expandable Front-End (GEFE): Radiation test results of GEFE @ RadWG meeting (07/07/16)

Added by Manoel Barros Marin on 15 Feb 2017 at 14:13

The results of the radiation test performed to the GEFE v2 at the CHARM facility at CERN have been presented during the Radiation Working Group (RadWG) meeting on the 07/07/16 at CERN

The slides of the presentation can be downloaded from the "DOCUMENTS" section of this site.

White Rabbit Switch - Software: WR Switch firmware v5.0 released

Added by Grzegorz Daniluk on 16 Dec 2016 at 12:02

The new stable release v5.0 of the WR Switch firmware comes this year as a Christmas present. As always, you can find all the links to download the firmware binaries and manuals on our release wiki page

Main features and fixes include:

  • Updated Buildroot 2016.02
  • Updated Linux kernel 3.16.38
  • Fixes to the SNMP support preventing it from crashing or not updating objects
  • Changing WR interfaces enumeration in Linux (wri1..18 instead of wr0..17) to match the ports enumeration on the front panel
  • 64-bit Tx/Rx frame counters
  • Verification of firmware checksum before updating
  • VLANs configuration in the central dot-config file
  • make menuconfig on the switch to facilitate modification of a local dot-config file
  • New timing role none to disable PTP on selected ports
  • More verbose Syslog messages in case of errors
  • new wr_mon tool - with improvements for reporting VLANs and synchronization peer
  • User-defined boot script execution for all exotic setups currently not possible with standard configuration mechanisms
  • Tools for reading and writing SFP EEPROMs
  • Advanced RTU configurations in dot-config
  • Re-written, more efficient multiport linked list in the switching core
  • Added bandwidth throttling HDL module to prevent CPU from being flooded with traffic from WR ports
  • Additional frames counter for traffic originated from Linux to WR ports
  • Improved RTU forwarding decisions to save resources and not forward Ethernet frames to ports that are down
  • White Rabbit Switch: Failures and Diagnostics - document that lists various errors that the switch may report and tries to propose possible problems that caused the Error and actions that should be taken.
You can find a list of the main features and bugfixes in the wiki pages for two subprojects: For the full list of solved issues please check:

We also advise you to read the two FAQ items [1] [2] describing minor issues you might experience when upgrading to v5.0.

Thank you for all the bug reports and contributions. As always, we encourage you to try this fresh release on your switches.

Greg Daniluk, Adam Wujek

OHR Meta Project: "High Energy Physics and Open Source engineering"

Added by Erik van der Bij on 02 Dec 2016 at 17:15

Andrea Borga from NIKHEF has presented High Energy Physics and Open Source engineering, accelerate shared knowledge at OSSHC 2016, the first edition of the yearly Open Source Software en Hardware Congres for the Benelux countries.

All the presentations (some in Dutch) can be found under the Tab Downloads.

OHR Meta Project: "Open Hardware and Collaboration"

Added by Erik van der Bij on 25 Oct 2016 at 10:24

Javier Serrano will give a Keynote presentation at the PCaPAC conference.

Open Source Hardware (OSHW) follows the lead of Free and Open Source Software (FOSS) and has similar goals: ensuring developers can share their work without artificial hurdles, improving quality through peer review, avoiding vendor lock-in and providing for a fair playground in which projects can thrive and accommodate contributions without compromising their long-term future. The talk will introduce OSHW and then attempt to answer a number of questions:
•What are the perceived benefits and issues of OSHW, in general and in the context of public research facilities?
•What is new with respect to FOSS?
•What makes OSHW projects succeed or fail?

The talk will use real examples of OSHW projects throughout, and will conclude with some thoughts about what the future holds in this domain.

The 11th International Workshop Personal Computers and Particle Accelerator Controls 2016 (PCaPAC) will be held by LNLS, in Campinas, Brazil. PCaPAC traditionally focuses on low-cost control systems using PC technology for control & data acquisition systems and emerging technologies.

CERN BE-CO-HT contribution to KiCad: a commitment to freedom

Added by Erik van der Bij on 14 Oct 2016 at 18:51

In his message KiCad: A commitment to freedom, Javier Serrano thanks the KiCad supporters for their generous donations through the CERN & Society Foundation.


Added by Julien Leduc on 07 Oct 2016 at 21:46

DCES will be presented in at CHEP 2016 in San Francisco during the poster session.

Hdlmake: HDLMake v3.0 release candidate: call for beta testers

Added by Javier D. Garcia-Lasheras on 19 Sep 2016 at 15:51

Version 3.0: a major HDLMake release milestone.

After a massive refactoring & upgrade process, we have just taped-out the brand-new HDLMake 3.0 release candidate. This version supersedes v2.2 as the future Master candidate, as it features some new features that were planned as critical for spreading the usage of the HDLMake tool.

We apologize about the unexpected delay for this year's release... but we have devoted a lot of time in polishing and getting the source code ready for both reaching a wider audience and allowing a friendly entry to potential new contributors.

New Features

These are some of the highlighted features for the new v3.0 Release:

  • Updated HDL code parser and solver: the new release includes by default the usage of an embedded HDL code parser and solver to manage the synthesis and simulation process. We have tried to be as conservative as possible to not break (so much) projects based on older versions, but please report any issue you may find.
  • Support for Python 3.x: the new release supports both Python2.7 and Python3.x deployments in a single source code branch, enabling an easier integration into newer O.S. distributions.
  • Native support for Linux & Windows shells: The new release not only supports Linux shells as the previous ones, but features native support too for Windows shells such as the classic CMD promt or PowerShell.
  • TCL based Makefiles: in order to streamline the process of supporting as many tools as possible in a hierarchical way, in a changing world and rapidly evolving world of FPGA technology and tool providers, we have adopted TCL as the common language layer used by the generated Makefiles.
  • Optional Web-based graphical frontend: A new graphical frontend based on Node.JS has been developed so that HDLMake can be friendly controlled in both local and server based deployments.
  • Yocto Project Integration: the HDLMake release candidate has been successfully integrated into Yocto Project based design-flows to build an entire binary runtime for SPEC based White Rabbit deployments, ranging from the embedded Linux O.S. Kernel, libraries and drivers to the several FPGA bitstreams that need to be synthesized for dynamic hardware reconfiguration.

Call for Contributors

We are very interested in spreading the adoption of the HDLMake tool in as many actual deployments as possible, so do not hesitate in sending an email to the official mailing list for public requests or contacting the HDLMake active project manager for confidential or commercial issues.

Version milestone & deadline

Starting from this announcement, we start a Quarantine period for the HDLMake v3.0 release after we will propose to promote this version as the new Master.

In this period, in order to foster a wider adoption of the tool, GL Research will provide commercial support for free (as a free beer) to those institutions and commercial companies interested in exploring HDLMake adoption and becoming potential contributors.

In addition, we will inherit and tackle the issues from version 2.2 reported as not yet solved by their respective issuers in this period. Please, check the current status for the issue when using this release and report it to the mailing list so that we can track it.

For further information about opened issues to be tackled before the 3.0 publishing milestone, check the 3.0 version entry at OHR.


The documentation is included into the source code and written in Sphinx format. Please, report for any fix, typo or upgrade you want to be issued and solved before publishing as a stable release.

As a convenient resource, HDLMake relies on ReadTheDocs to host an updated version of the pre-built documentation for HDLMake v3.0 release candidate.

Git access to source code

You can find the HDLMake v3.0 release candidate source code by cloning the Git branch for release-3.0 and installing it as a common Python package on top of your favourite host machine Python deployment.

White Rabbit: 06-09-2016: New papers

Added by Erik van der Bij on 06 Sep 2016 at 14:55

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