Talks

This page collects some talks I gave recently.

The source code for the slides is available on my GitHub repository.

Buildroot vs Yocto: Differences for Your Daily Job

Abstract:

Buildroot and Yocto, the two leading embedded Linux buildsystems, have largely overlapping goals but vastly different implementations.

Perhaps you’re familiar with either, and wonder how your daily job would change if you used the other.

Luca will share insights he gained while managing projects with both tools, spending a lot of time in learning how to achieve the same goals in a different way.

He will give a sort of “translation table” to ease the transition between the two, covering: bootstrapping a project, what happens under the hood, invoking the build, customizing the rootfs and tweaking recipes.

I gave this talk at:

Buildroot — Making Embedded Linux Easy

Abstract:

Buildroot generates all the software needed for an Embedded Linux system.

In this practical lab we will explore how it works, we ‘ll use it to set up an embedded system from scratch and customize it adding components.

I gave this talk during Linux Day 2018 (slides, italian).

ARM64 + FPGA and more: Linux on the Xilinx ZynqMP

Abstract:

The Xilinx Zynq UltraScale+ MPSoC (aka ZynqMP) is a powerful and complex chip featuring 64-bit cores, 32-bit realtime cores, a large FPGA, a GPU, video codecs and dedicated power management and security units.

Luca will first give a brief overview of the hardware architecture and how it differs from other SoCs.

Then he will explain with technical details how Linux can fully leverage the SoC resources. FPGA and booting issues will be covered in detail, but using the hardware accelerators and software support will also be discussed.

I gave this talk during FOSDEM 2018 (talk page, slides).

Build Automation: an introduction to Make, Autotools and CMake

Abstract:

Translating source code (e.g. C or C++) into an executable involves several steps: looking for libraries, compiling, linking… How can I automate them? Which are the best tools for an open source software? Let’s discover the most widely used: Make, Autotools and CMake.

I gave this talk during Linux Day 2017 (slides, italian).

How I survived to a SoC with a terrible Linux BSP

Abstract:

System-on-Chip vendors typically provide a Board Support Package (BSP) which should be a good starting point to develop the software for an embedded Linux system. However they often seem to misunderstand what the software designers want, and deliver something that makes their life harder without any apparent benefit.

In this talk Luca will share some of his experiences with such vendor BSPs, featuring jurassic kernels, non-working drivers, non-existing bootloaders, code of appallingly bad quality, ineffective customer support and Windows-only tools.

You will discover why he spent weeks in understanding, fixing and working around BSPs instead of just using them. The effects on the final product quality will be described as well.

Luca will also discuss what the options are when you face such a BSP, and what both hackers and vendors can do to improve the situation for everybody’s benefit.

I gave this talk at:

Object-oriented programming in C in the Linux kernel

Abstract:

Object-oriented programming is necessary in any complex software. Even though it is written in C, the Linux kernel is no exception. Let’s see into its source files how it can be object-oriented without the support of its programming language. We’ll discover how a C++ compiler works.

I gave this talk during Linux Day 2016.

You can download the the slides (PDF, italian).

Data processing on the command line

Abstract:

The command line gives a access to a collection of tools that can be combined in infinite ways. Let’s use them together to filter and process large amounts of data on the fly.

I gave this talk during Linux Day 2016.

You can download the the slides (PDF, italian).

Linux and electronics with Scratch and Raspberry Pi

This is a lecture made to teach to secondary school students how computer programs can manage electronic circuits. In an hour I showed how to automate a smart traffic lights system using Scratch on a Rasbperry Pi.

I gave this lecture to three classes in Albino, Italy in October 2016.

You can download the slides (PDF, italian).

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