Andres Baravalle


About Andres Baravalle

Andres Baravalle works in the School of Architecture, Computing and Engineering in the University of East London as senior lecturer since February 2009. He is the Programme Leader for BSc Business Information Systems. Before, he has been working as lecturer in the Open University, Department of Communication and Systems (2006-2009) and as researcher associate, in the Department of Computer Science, University of Sheffield (2004-2006). He has finished his ph.D. in Computer Science, at Turin University in February 2004.


ChipHack EDSAC Challenge – Hebden Bridge 6/9/2017

ChipHack

ChipHack EDSAC Challenge is a workshop spanning two-and-a-half days to introduce a new generation to silicon chip design and the historic EDSAC computer.

This workshop is suited to complete beginners, as well as people who are experienced chip designers.

With modern low cost FPGA boards silicon chip design is accessible to the individual engineer, whether professional, hobbyist or student.

This workshop starts from the basics (a chip design to flash an LED), works through more complex functionality (UART transmitter and receiver) and concludes by bringing up a complete processor.

The workshop will be built around a reimagining of EDSAC (designed by BCS founding President, Prof. Sir Maurice Wilkes) using modern technology. The workshop will use the MyStorm FPGA board, a modern low-cost board for educational use. (more…)


Open Source SG July Meeting – London 27/7/2017

The BCS OSSG is hosting its next event on 27th July 201718:00 – 21:00 at BCS London1st Floor, The Davidson Building5 Southampton StreetLondonWC2E 7HA, [map] (51.510812-0.121733)

This event is free to attend for both BCS Members and non-members but booking is required. Places are limited; please book as soon as possible.

The event will include talks on trust and provenance in Open Data at GDS, adding security to compilers (LADA project and SECURE project), extending a RISC ISA to add capability enhancements for improved security (CHERI project).

Further details will be added in the next few days.


pkgsrc Conference 2017 – London 1/7/2017

pkgsrc Conference 2017

On the 1st July 2017, 10:00 – 18:00 at BCS London, 1st Floor, The Davidson Building, 5 Southampton Street, London, WC2E 7HA, [map] (51.510812, -0.121733)

The BCS Open Source SG is this year hosting pkgsrcCon, the annual technical conference for pkgsrc and people working on building and packaging open source software in general. pkgsrc is a framework for building over 18,000 open source software packages consistently across a variety of operating systems running on different CPU architectures.

Read more about the conference here.

This meeting is open BCS and non-BCS members, but registration is required.

Closing date for bookings is Thursday 29 June 2017 at 11:59 pm. No more bookings will be taken after this date.

Update (10th July): the videos & slides and the final report are now available


Getting started with NetBSD on embedded platforms (Part 2) – London 18/5/2017

On the 18 May 2017, 18:00 – 20:00 at BCS London, 1st Floor, The Davidson Building, 5 Southampton Street, London, WC2E 7HA, [map] (51.510812, -0.121733)

Please register to attend and share on Lanyrd.

Workshop scope

Following on from the previous workshop, we will be continuing with the theme of NetBSD on embedded platforms. This time covering GPIO access with lua and rapid development with Rump kernel, which we did not get to in the previous workshop due to the lack of time.

If you did not get to attend the previous workshop, not to worry, notes are available and assistance will be provided on the day.

Participant requirements

You will need to bring:

  • Your own laptop (running Windows, Linux or Mac OS X);
  • A Raspberry Pi or BeagleBone Black;
  • An appropriate SD card for your board;
  • USB card reader to write a new OS image onto said SD card;
  • An ethernet cable to connect board to laptop and/or a USB UART/FTDI adapter to access the board via the serial console.

Windows 10 users

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Getting started with NetBSD on embedded platforms – London 20/4/2017

NetBSDOn the 20 April 2017, 17:30 – 20:00 at BCS London, 1st Floor, The Davidson Building, 5 Southampton Street, London, WC2E 7HA, [map] (51.510812, -0.121733)

Please register to attend and share on Lanyrd.

Workshop scope

You’re hired at the latest startup as a hardware engineer and required to build the firmware which will run on “The Greatest Next Generation Appliance” (GNA). The GNA boots, prints a message and interacts with a device (in this case an LED).

In this workshop we cover how a person with an interest and a focus on hardware can make progress with the software side by using the NetBSD operating system and the features it offers to save considerable time and effort.

  • NetBSD supports a wide & diverse range of systems & CPU architectures.
  • Support for cross compilation is offered by default and works out of the box.
  • There is a high level language interface to interact with the system internals.
  • File integrity verification support to detect tampering of binaries and preventing execution is builtin.
  • An instance of the kernel can be run as a user process on different operating systems where rapid development can take place.

Things we will cover:

  1. An introduction to cross-compilation with build.sh and constructing an image to boot on your hardware.
  2. Interacting with the system using Lua (which is embedded in the kernel, avoiding having to write C or have knowledge of OS internals) to e.g. access GPIO.
  3. Preventing the execution of tampered or unauthorised binaries with veriexec.
  4. Using rump kernel for rapid development away from a potentially slow dev board.

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Perl, Object-Orientation (and a little Graph Theory) – London 9/3/2017

On the 9th March 2017, 18:00 – 20:00 at BCS London, 1st Floor, The Davidson Building, 5 Southampton Street, London, WC2E 7HA, [map] (51.510812, -0.121733)

Please register to attend

Speaker:
Nick Stylianou MEng, ACGI, MBCS

 

Summary: 

This presentation will introduce some of the core features of the Perl language, and illustrate how these features are used to program in Perl using the object-oriented paradigm. Code examples will cover the fundamentals, such as object attributes and methods, through to higher-level concepts such as inheritance and abstraction. Working with Perl’s apparent lack of explicit object-oriented features exposes useful insight into the underlying concepts and gives a practical understanding of how to utilise, and contribute to, Perl’s extensive collection of additional library packages. Graph theory will be used as an example to illustrate how these ideas can be used in practice. A brief history of Perl and an overview of available resources will also be given.

Speaker Biography:

Nick StylianouSince graduating from the Department of Computing at Imperial College, London in the early 1990s, Nick Stylianou has worked in the IT industry as a CAD/CAM software developer, UNIX Systems Administrator & Enterprise Architect, and a Text and Data Mining Analyst. He now works independently, specialising in Research & Development in Computational Musicology, with current projects including a forthcoming music theory reference eBook and interactive music theory and analysis software.

Closing date for bookings is Wednesday 8 March 2017 at 11:59 pm. No more bookings will be taken after this date.


An introduction to software-defined radio with LimeSDR – London 24/3/2017

On the 24 March 2017, 09:00 – 17:00 at BCS London, 1st Floor, The Davidson Building, 5 Southampton Street, London, WC2E 7HA, [map] (51.510812, -0.121733)

Please register to attend and share on Lanyrd.

A Software-Defined Radio (SDR) is a highly reconfigurable radio that can be used for many different radio applications through simply changing the software that links with it. An example of such a reconfigurable radio is the LimeSDR, which can both transmit and receive data and voice, using just about any wireless system.

The LimeSDR was launched by Lime Microsystems in May 2016 via a crowdfunding campaign, and is now shipping to over 3,500 customers worldwide. It is based on the Lime Microsystems LMS7002M Field Programmable RF (FPRF) 2×2 MIMO transceiver, which continuously covers frequencies from 100kHz to 3.8GHz. The LMS7002M has been successfully used in a wide range of digital radio applications, including 2G/4G Femtocell base stations, GNSS, DAB, DVBT receivers and RF test and measurement equipment. The LimeSDR also includes an FPGA and USB 3.0 to provide host connectivity.

Workshop scope

LimeSDRThe heart of the day is to provide a practical ‘hands-on’ afternoon session using the LimeSDR with the Lime Suite GUI and FFT Viewer. Then to use GNU Octave and Pothos to make some very simple digital radio examples.

To facilitate this, the morning will include introductory talks explaining the purpose of the various analogue and digital blocks included in the LMS7002M. It will also include tutorial material covering the key concepts required to understand modern digital radio transceivers, and how to use them, as well as practical issues associated with radio reception.

In addition the day will feature some advanced demonstrations showing the full capabilities of the LimeSDR and its LMS7002M transceiver, including 4G Femtocell, as well as educational examples such as a simple OFDM transceiver data link.

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