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The EPICS V4 Working Group are pleased to announce the final release of the latest version of our EPICS V4 software, version 4.3.0.

This release concentrates on making it easy to work with the existing
features of EPICS V4, while using EPICS Base 3.14 IOCs as the control system foundation. It adds two new interfaces to IOC data, via either Channel Access or pvAccess, enabling many options for configuring a high performance and highly functional scientific instrument control environment. Other features include an easy to use API, improved command line programs and several example programs.

Two implementations are provided for the main modules, one written in C++ and the other in Java. The C++ implementation compiles for recent versions of Linux, MacOS, VxWorks (both 5.5.x and 6.x) and RTEMS, and requires an installation of EPICS Base 3.14. The Java implementation requires Java 6 or later, although Java 7 is recommended.

Downloads of both implementations are available from SourceForge:
    https://sourceforge.net/projects/epics-pvdata/files/4.3.0/

More technical details and documentation can be found through the EPICS V4 project website:
    http://epics-pvdata.sourceforge.net/index.html

Questions and discussion about the EPICS V4 should be directed to the EPICS tech-talk mailing list.
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Spring 2013 Collaboration Meeting
Mon, April 29, 2013, 4:30 AM
Diamond House, Harwell Oxford, Didcot, Oxfordshire OX11 0DE, UK

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EPICS Base version 3.14.12.3 was released yesterday, containing a number of bug fixes since the last release 3.14.12.2. Please read the Release Notes to see what's changed; links to this, an updated Application Developers' Guide and the source tar-file can be found on the 3.14.12 page pointed to below.
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... and there's already a patch for it on the Known Problems page, although the problem is much older going back to 3.14.11 or even earlier.
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More details including registration are available at the website at PAL.
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Kazuro Furukawa's profile photoJeong Han Lee's profile photo
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Still, nothing at http://pal.postech.ac.kr/epics2012/, but better to make a link.
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EPICS Base version 3.14.12.2 was released today, containing a number of bug fixes since the last release 3.14.12.1. Please read the Release Notes to see what's changed; links to this, an updated Application Developers' Guide and the source tar-file can be found on the 3.14.12 page pointed to below.
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We're going to try to make this meeting available through Google Hangouts on Air, which should allow the talks to be viewed through YouTube after wards. This is an experiment though, we can't promise it'll work.
Fall 2013 EPICS Collaboration Meeting
Sat, October 5, 2013, 12:00 PM
Seacliff room, Hyatt Regency hotel, 5 Embarcadero Center, San Francisco, California

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Sorry, we don't have the hardware to run this after all. Apollogies if anyone was expecting to watch this.
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EPICS Base version 3.14.12.3 was released yesterday, containing a number of bug fixes since the last release 3.14.12.2. Please read the Release Notes to see what's changed; links to this, an updated Application Developers' Guide and the source tar-file can be found on the 3.14.12 page pointed to below.
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... and we already have a patch for it listed on the Known Problems page, although the problem also exists in versions back to 3.14.11 and probably earlier too.
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I don't suppose there are (m)any EPICS sites with Siemens or Koyo PLCs accessible from the public internet; here's why you really don't want to go there.
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J. Lewis Muir is proposing the introduction of if/elif/else/endif conditional statements to the EPICS IOC shell interpreter. I don't think there's much danger of the IOC shell ever becoming a turing-complete language, but I do worry that even conditionals like this might be a step too far. The resulting scripts can no longer be made compatible with either the vxWorks target shell or the RTEMS CEXP shell which don't support conditionals like that, although such IOCs can call iocsh scripts from their st.cmd file if the developer wants them to.

The additional code does seem to make the iocsh.c interpreter significantly more complicated. Is my instinctive dislike of the proposal being too protective of the existing IOC code and "the way it's always worked"?

Comments and discussion welcome...
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EPICS's profile photoMartin Konrad's profile photoRalph Lange's profile photoBharat ARAMBHADIYA's profile photo
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Agreed. thanks. I am beginning to go inside.
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EPICS Base version 3.14.12.2 is close to release, please try out the -rc1 release candidate available from the 3.14.12 page linked below and report any problems to the tech-talk mailing list. The Release Notes have also been updated with the changes included, but since this is a bug-fix release there are very few new features.
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Thank you for the notification of the release. I compiled it on MacOSX 10.7.2 for i386 and x86_64 without any problem.
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In their circles
191 people
Have them in circles
220 people
Michael Edling's profile photo
Richard Fearn's profile photo
Hussein Khasawneh's profile photo
TING YAO's profile photo
Daniel Piso's profile photo
Pavel Masloff's profile photo
Bastian Eppler's profile photo
Takashi Nakamoto's profile photo
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The Experimental Physics and Industrial Control System Toolkit
Introduction
EPICS is a set of Open Source software tools, libraries and applications developed collaboratively and used worldwide to create distributed soft real-time control systems for scientific instruments such as a particle accelerators, telescopes and other large scientific experiments.

See also: +EPICS-JP for Japanese speakers.