OpenBricks is an enterprise-grade embedded Linux framework and build system that provides easy and customized Linux distribution bring-up. It runs on a wide variety of hardware architectures for purposes of rapid prototyping or full product development. OpenBricks replaces traditional board support packages with fine-grained package tuning through a kconfig interface and supports languages, frameworks, and features for multimedia, graphics, audio, video, and applications. The build system is based on POSIX shell scripts and provides customizable configurations, package dependencies, and build flavors.
Droidcon 2013 france - The Growth of Android in Embedded SystemsBenjamin Zores
1) Android was originally developed by Android Inc. in the 2000s and was purchased by Google in 2005. It was revamped to be based on Linux and the first Android smartphone was released in 2008.
2) Android is appealing for some embedded systems due to its standardized application framework and aggressive time-to-market. However, it also has some downsides for performance-critical systems due to its Java-based design and proprietary changes from vanilla Linux.
3) While Android has brought Linux to many consumer devices, it has also slowed down some innovation and standardization in embedded systems. Linux remains a better choice for embedded devices not focused on apps and with high performance needs.
This presentation provides an introduction to Ansible OpenSource IT automation and Cloud orchestration engine. It comes with an overview of what Ansible is and how it can compete (and outcome) legacy automation systems such as Chef or Puppet. Based on real-life experience, Ansible tips & tricks will be provided as how to automate your servers' deployment ever more easily. Additional software will be presented, allowing people to describe their full Cloud application topology, getting the best out of OpenStack APIs and Ansible Playbooks to fully automatize one's application's deployment and continuous integration.
ABS 2014 - The Growth of Android in Embedded SystemsBenjamin Zores
The document discusses the growth of Android in embedded systems. It provides an overview of Android's history and architecture. While Android has brought Linux to many devices, its proprietary development model and design flaws mean it is not optimal for all embedded use cases. Specifically, it can be a burden for manufacturers due to fragmentation, proprietary drivers, and high hardware requirements. However, Android remains attractive for its application framework, time-to-market advantages, and focus on the user experience rather than low-level software.
Droidcon 2013 France - Android Platform AnatomyBenjamin Zores
The document discusses Benjamin Zores' presentation on Android platform anatomy. It includes an overview of Zores' background and experience with Android and open source projects. It then covers topics like the history of Android releases, the Android system architecture, sources for Android development, the device porting process, hardware requirements, and components of the Android kernel and user-space.
The document provides an overview of porting Android to custom hardware devices. It discusses the key requirements for compatibility with Google services and the Android ecosystem. It then describes the process of creating a custom Android device using the AOSP and Linaro sources, including setting up the device directory, bootloader, kernel, and init system. The document shares the speaker's experience porting Android to various hardware architectures and outlines some of the differences between the Android and typical Linux systems.
The document discusses Android software architecture changes between Jelly Bean 4.1 and Kit Kat 4.4, including Project Butter for improved graphics performance, Project Svelte for reduced memory usage, and the introduction of the Android RunTime (ART) virtual machine to replace Dalvik. It provides details on features like vertical synchronization, multiple display support, touch latency improvements, memory profiling tools like ProcStats, and techniques for low-RAM devices.
The document discusses adding Ethernet connectivity to Android. It provides background on the speaker and an overview of Android's networking architecture, including the kernel, libraries, daemons and services that manage networking. It describes how existing connection types like WiFi, Bluetooth and mobile networks integrate. The main topic is bringing Ethernet support to Android by implementing a Connectivity Manager for Ethernet to allow it to be managed similarly to other connection types. Requirements for enterprise devices that would use Ethernet are also covered.
The document discusses adding Ethernet connectivity support to Android. It begins with an introduction of the speaker and their background. It then describes the existing network interfaces in Android like WiFi, Bluetooth, NFC, and cellular. It notes that Ethernet is supported at the Linux level but not integrated into the Android framework. The remainder of the document discusses modifications made to integrate Ethernet, including updating settings, connectivity manager, and other areas. It also covers workarounds tried for issues like DNS, proxy, NTP, and app connectivity over Ethernet.
Droidcon 2013 france - The Growth of Android in Embedded SystemsBenjamin Zores
1) Android was originally developed by Android Inc. in the 2000s and was purchased by Google in 2005. It was revamped to be based on Linux and the first Android smartphone was released in 2008.
2) Android is appealing for some embedded systems due to its standardized application framework and aggressive time-to-market. However, it also has some downsides for performance-critical systems due to its Java-based design and proprietary changes from vanilla Linux.
3) While Android has brought Linux to many consumer devices, it has also slowed down some innovation and standardization in embedded systems. Linux remains a better choice for embedded devices not focused on apps and with high performance needs.
This presentation provides an introduction to Ansible OpenSource IT automation and Cloud orchestration engine. It comes with an overview of what Ansible is and how it can compete (and outcome) legacy automation systems such as Chef or Puppet. Based on real-life experience, Ansible tips & tricks will be provided as how to automate your servers' deployment ever more easily. Additional software will be presented, allowing people to describe their full Cloud application topology, getting the best out of OpenStack APIs and Ansible Playbooks to fully automatize one's application's deployment and continuous integration.
ABS 2014 - The Growth of Android in Embedded SystemsBenjamin Zores
The document discusses the growth of Android in embedded systems. It provides an overview of Android's history and architecture. While Android has brought Linux to many devices, its proprietary development model and design flaws mean it is not optimal for all embedded use cases. Specifically, it can be a burden for manufacturers due to fragmentation, proprietary drivers, and high hardware requirements. However, Android remains attractive for its application framework, time-to-market advantages, and focus on the user experience rather than low-level software.
Droidcon 2013 France - Android Platform AnatomyBenjamin Zores
The document discusses Benjamin Zores' presentation on Android platform anatomy. It includes an overview of Zores' background and experience with Android and open source projects. It then covers topics like the history of Android releases, the Android system architecture, sources for Android development, the device porting process, hardware requirements, and components of the Android kernel and user-space.
The document provides an overview of porting Android to custom hardware devices. It discusses the key requirements for compatibility with Google services and the Android ecosystem. It then describes the process of creating a custom Android device using the AOSP and Linaro sources, including setting up the device directory, bootloader, kernel, and init system. The document shares the speaker's experience porting Android to various hardware architectures and outlines some of the differences between the Android and typical Linux systems.
The document discusses Android software architecture changes between Jelly Bean 4.1 and Kit Kat 4.4, including Project Butter for improved graphics performance, Project Svelte for reduced memory usage, and the introduction of the Android RunTime (ART) virtual machine to replace Dalvik. It provides details on features like vertical synchronization, multiple display support, touch latency improvements, memory profiling tools like ProcStats, and techniques for low-RAM devices.
The document discusses adding Ethernet connectivity to Android. It provides background on the speaker and an overview of Android's networking architecture, including the kernel, libraries, daemons and services that manage networking. It describes how existing connection types like WiFi, Bluetooth and mobile networks integrate. The main topic is bringing Ethernet support to Android by implementing a Connectivity Manager for Ethernet to allow it to be managed similarly to other connection types. Requirements for enterprise devices that would use Ethernet are also covered.
The document discusses adding Ethernet connectivity support to Android. It begins with an introduction of the speaker and their background. It then describes the existing network interfaces in Android like WiFi, Bluetooth, NFC, and cellular. It notes that Ethernet is supported at the Linux level but not integrated into the Android framework. The remainder of the document discusses modifications made to integrate Ethernet, including updating settings, connectivity manager, and other areas. It also covers workarounds tried for issues like DNS, proxy, NTP, and app connectivity over Ethernet.
Yocto Project Dev Day Prague 2017 - Advanced class - Kernel modules with eSDKMarco Cavallini
Excerpt of the lectures at Yocto Project Dev Day in Prague, 2017
During the advanced class Marco Cavallini ran this presentation about the creation of a Linux kernel module with eSDK.
Linux is changing the way embedded systems are put together even faster than it is influencing data centres and desktops. I gave this talk at Embedded Linux Conference Europe 2012 in Barcelona
Android is beginning to take off as an embedded operating system alongside Windows Embedded and traditional embedded Linux. What are the motivations for using Android? What are the potential problems? This presentation addresses these points, with use-cases based on real-world applications of Embedded Android
Debian or Yocto Project? Which is the best for your Embedded Linux project?Chris Simmonds
The document discusses the tradeoffs between using Debian vs. Yocto Project for embedded Linux projects. Debian offers a full and stable distribution with many packages but images can be large, may not be optimized for hardware, and updates are not atomic. Yocto Project allows fully customizing the system but has a steep learning curve. Debian is best for prototypes while Yocto is recommended for production on custom hardware.
Bugs happen. Identifying and fixing them is part of the development process. This tutorial demonstrates one of the key tools in the embedded Linux developer’s toolbox: the GNU Debugger, GDB.
You will begin by using GDB to debug a program running on a target device. You will learn about debug symbols: how build them into programs and libraries, and the places that GDB will go looking for them. Next, you will perform basic debugging tasks, including setting breakpoints, stepping through code, examining variables and modifying variables. After that you will lean about GDB command files and how they can help you by automating certain tasks. You will receive a handy GDB cribsheet to help you with all of this. If time allows, we will discuss how to use GDB to analyse core dumps so that you can perform a post-mortem on a crashed program
We all want our devices to boot faster, but how much effort do you want to dedicate to optimizing and maintaining a custom kernel and apps? This presentation offers a graded list of things you can do to reduce boot time. They start with simple changes, such as adjusting the position of your main application the init sequence. Then there are the changes you can make to the kernel and bootloader configuration to speed things up, and finally, there are moderately advanced techniques such as using U-Boot in falcon mode.
All of this is done using standard configuration techniques, with the idea of being able to maintain these changes in the future. I will show the effect of each of these changes on typical a embedded dev board so that you can judge for yourself where on the journey you want to jump off.
Running Android on the Raspberry Pi: Android Pie meets Raspberry Pi
Slides from a lightning talk at FOSDEM 2019
https://fosdem.org/2019/schedule/event/android_pi/
The document discusses porting a device to run Android Jelly Bean. It begins with an introduction of the speaker and their background working with open source software. The agenda then outlines the topics to be covered, including the Android build system, various Android subsystems, and porting specific devices. Device porting involves designing the custom board around a reference design, ensuring hardware compatibility, selecting supported peripherals, writing detailed specifications, and addressing pin multiplexing. The goal is to provide developers a consistent environment.
Embedded Android: Android beyond the smartphoneChris Simmonds
We are all familiar with Android as an operating system for smarphones. Looking beyond that,
Android is an open-source operating system that runs on top of Linux, which opens up a wide range
of applications in the embedded space. Using Embedded Android, you get the well-known user
interface, with it’s familiar touch screen gestures, and you get a well-known programming interface
based on Java. So, why would you not want to consider Embedded Android?
Software update for IoT Embedded World 2017Chris Simmonds
Many embedded Linux projects have a requirement to update the software on devices in the field. Recent security flaws in basic components such as OpenSSL and bash, combined with the interconnectedness of all things, have highlighted the problem and made it an absolute necessity
UplinQ - ubuntu linux on the qualcomm® snapdragon™ 600 processorSatya Harish
This document summarizes the work done by Linaro, Qualcomm, and eInfochips to enable Ubuntu Linux on the Qualcomm Snapdragon 600 processor. It discusses the Linaro Ubuntu developer releases that provide multimedia hardware acceleration. It also describes eInfochips' video conferencing solution built on these releases using Gstreamer, SIP, and a QT5-based GUI to enable low-latency audio and video calls on Snapdragon devices.
Marco Cavallini @ LinuxLab 2018 : Workshop Yocto Project, an automatic genera...Marco Cavallini
This document provides information about a workshop on the Yocto Project being conducted by Marco Cavallini of KOAN. The workshop will cover setting up a Yocto Project build environment using Docker, basics of the Yocto Project including layers and recipes, debugging builds, and creating new images. Attendees will learn how to build a basic embedded Linux system from source and boot it in QEMU.
The Yocto Project is an open source project that provides tools and methods for creating custom Linux-based systems for embedded products regardless of CPU architecture. It uses a "layer" approach where components like the build system, core packages, and machine-specific files can be mixed and matched. The speaker demonstrates how to download a Yocto Project release, configure a build, and run the build process to generate root filesystem images and packages for target deployment. Potential applications mentioned include virtualization platforms and specialized subsystems in vehicles.
Running Android on the Raspberry Pi: Android Pie meets Raspberry PiChris Simmonds
You can run Android on a wide range of devices, not just phones and tablets. Building Android from scratch is fun and a great way to learn about the lower levels of the operating system. Imagine - here is a chance to create ANY Android configuration you want.
In this presentation, I will show you how to take a Raspberry Pi 3 and build Android completely from scratch, using source code from the AOSP (Android Open Source Project). We will need a few things to make this work A Linux kernel that has been configured with the options that Android expects OpenGL ES graphics drivers HAL layers for graphics and networking, amongst other things
Memory Management in TIZEN - Samsung SW Platform TeamRyo Jin
This document discusses memory management in the Tizen kernel. It provides an overview of key components used for memory management including the Graphics Execution Manager (GEM) for graphics memory allocation and sharing, the Video for Linux Two (V4L2) and Video Buffer API Version 2 (VB2) for multimedia devices, and the Universal Memory Management (UMM) subsystem for buffer sharing across components without copying. The document also presents a simplified scenario demonstrating how these components could work together to share buffers for merging and displaying a camera video stream and overlay graphics.
This document presents a timeline for the development of embedded Linux from 1995 to the present day. It discusses early milestones like Busybox in 1995 and the Linux Router Project in 1997. It covers the growth of embedded Linux in devices like network cameras, PDAs, mobile phones, and WiFi routers. Key organizations that contributed to embedded Linux are also mentioned, such as MontaVista, Lineo, Denx, and projects like Buildroot and Yocto Project that made embedded Linux development easier. The document concludes that embedded Linux is now the default operating system, with installations in over 250 million devices annually.
Here are the steps to prepare your lab environment:
1. Download the lab materials archive from the provided link.
2. Extract the downloaded archive file and browse the contents to familiarize yourself with the lab directories and files.
3. Change to the lab directory and enforce read/write permissions on the files as needed by using the chmod command.
This will setup your local environment for the upcoming hands-on labs. Let me know if you have any other questions!
Fosdem 2010 - An Introduction to Enna Media CenterBenjamin Zores
Enna is a lightweight media center application designed to serve as the GUI for the GeeXboX v2 release. It uses the Enlightenment Foundation Libraries and relies on GeeXboX's libplayer and libvalhalla libraries to provide multimedia playback and metadata retrieval capabilities. Enna's modular design allows it to browse local and networked media sources and play content like music, videos, photos and eBooks. While still early in development, Enna aims to offer a full-featured yet low-footprint media experience for devices like set-top boxes and HTPCs.
Yocto Project Dev Day Prague 2017 - Advanced class - Kernel modules with eSDKMarco Cavallini
Excerpt of the lectures at Yocto Project Dev Day in Prague, 2017
During the advanced class Marco Cavallini ran this presentation about the creation of a Linux kernel module with eSDK.
Linux is changing the way embedded systems are put together even faster than it is influencing data centres and desktops. I gave this talk at Embedded Linux Conference Europe 2012 in Barcelona
Android is beginning to take off as an embedded operating system alongside Windows Embedded and traditional embedded Linux. What are the motivations for using Android? What are the potential problems? This presentation addresses these points, with use-cases based on real-world applications of Embedded Android
Debian or Yocto Project? Which is the best for your Embedded Linux project?Chris Simmonds
The document discusses the tradeoffs between using Debian vs. Yocto Project for embedded Linux projects. Debian offers a full and stable distribution with many packages but images can be large, may not be optimized for hardware, and updates are not atomic. Yocto Project allows fully customizing the system but has a steep learning curve. Debian is best for prototypes while Yocto is recommended for production on custom hardware.
Bugs happen. Identifying and fixing them is part of the development process. This tutorial demonstrates one of the key tools in the embedded Linux developer’s toolbox: the GNU Debugger, GDB.
You will begin by using GDB to debug a program running on a target device. You will learn about debug symbols: how build them into programs and libraries, and the places that GDB will go looking for them. Next, you will perform basic debugging tasks, including setting breakpoints, stepping through code, examining variables and modifying variables. After that you will lean about GDB command files and how they can help you by automating certain tasks. You will receive a handy GDB cribsheet to help you with all of this. If time allows, we will discuss how to use GDB to analyse core dumps so that you can perform a post-mortem on a crashed program
We all want our devices to boot faster, but how much effort do you want to dedicate to optimizing and maintaining a custom kernel and apps? This presentation offers a graded list of things you can do to reduce boot time. They start with simple changes, such as adjusting the position of your main application the init sequence. Then there are the changes you can make to the kernel and bootloader configuration to speed things up, and finally, there are moderately advanced techniques such as using U-Boot in falcon mode.
All of this is done using standard configuration techniques, with the idea of being able to maintain these changes in the future. I will show the effect of each of these changes on typical a embedded dev board so that you can judge for yourself where on the journey you want to jump off.
Running Android on the Raspberry Pi: Android Pie meets Raspberry Pi
Slides from a lightning talk at FOSDEM 2019
https://fosdem.org/2019/schedule/event/android_pi/
The document discusses porting a device to run Android Jelly Bean. It begins with an introduction of the speaker and their background working with open source software. The agenda then outlines the topics to be covered, including the Android build system, various Android subsystems, and porting specific devices. Device porting involves designing the custom board around a reference design, ensuring hardware compatibility, selecting supported peripherals, writing detailed specifications, and addressing pin multiplexing. The goal is to provide developers a consistent environment.
Embedded Android: Android beyond the smartphoneChris Simmonds
We are all familiar with Android as an operating system for smarphones. Looking beyond that,
Android is an open-source operating system that runs on top of Linux, which opens up a wide range
of applications in the embedded space. Using Embedded Android, you get the well-known user
interface, with it’s familiar touch screen gestures, and you get a well-known programming interface
based on Java. So, why would you not want to consider Embedded Android?
Software update for IoT Embedded World 2017Chris Simmonds
Many embedded Linux projects have a requirement to update the software on devices in the field. Recent security flaws in basic components such as OpenSSL and bash, combined with the interconnectedness of all things, have highlighted the problem and made it an absolute necessity
UplinQ - ubuntu linux on the qualcomm® snapdragon™ 600 processorSatya Harish
This document summarizes the work done by Linaro, Qualcomm, and eInfochips to enable Ubuntu Linux on the Qualcomm Snapdragon 600 processor. It discusses the Linaro Ubuntu developer releases that provide multimedia hardware acceleration. It also describes eInfochips' video conferencing solution built on these releases using Gstreamer, SIP, and a QT5-based GUI to enable low-latency audio and video calls on Snapdragon devices.
Marco Cavallini @ LinuxLab 2018 : Workshop Yocto Project, an automatic genera...Marco Cavallini
This document provides information about a workshop on the Yocto Project being conducted by Marco Cavallini of KOAN. The workshop will cover setting up a Yocto Project build environment using Docker, basics of the Yocto Project including layers and recipes, debugging builds, and creating new images. Attendees will learn how to build a basic embedded Linux system from source and boot it in QEMU.
The Yocto Project is an open source project that provides tools and methods for creating custom Linux-based systems for embedded products regardless of CPU architecture. It uses a "layer" approach where components like the build system, core packages, and machine-specific files can be mixed and matched. The speaker demonstrates how to download a Yocto Project release, configure a build, and run the build process to generate root filesystem images and packages for target deployment. Potential applications mentioned include virtualization platforms and specialized subsystems in vehicles.
Running Android on the Raspberry Pi: Android Pie meets Raspberry PiChris Simmonds
You can run Android on a wide range of devices, not just phones and tablets. Building Android from scratch is fun and a great way to learn about the lower levels of the operating system. Imagine - here is a chance to create ANY Android configuration you want.
In this presentation, I will show you how to take a Raspberry Pi 3 and build Android completely from scratch, using source code from the AOSP (Android Open Source Project). We will need a few things to make this work A Linux kernel that has been configured with the options that Android expects OpenGL ES graphics drivers HAL layers for graphics and networking, amongst other things
Memory Management in TIZEN - Samsung SW Platform TeamRyo Jin
This document discusses memory management in the Tizen kernel. It provides an overview of key components used for memory management including the Graphics Execution Manager (GEM) for graphics memory allocation and sharing, the Video for Linux Two (V4L2) and Video Buffer API Version 2 (VB2) for multimedia devices, and the Universal Memory Management (UMM) subsystem for buffer sharing across components without copying. The document also presents a simplified scenario demonstrating how these components could work together to share buffers for merging and displaying a camera video stream and overlay graphics.
This document presents a timeline for the development of embedded Linux from 1995 to the present day. It discusses early milestones like Busybox in 1995 and the Linux Router Project in 1997. It covers the growth of embedded Linux in devices like network cameras, PDAs, mobile phones, and WiFi routers. Key organizations that contributed to embedded Linux are also mentioned, such as MontaVista, Lineo, Denx, and projects like Buildroot and Yocto Project that made embedded Linux development easier. The document concludes that embedded Linux is now the default operating system, with installations in over 250 million devices annually.
Here are the steps to prepare your lab environment:
1. Download the lab materials archive from the provided link.
2. Extract the downloaded archive file and browse the contents to familiarize yourself with the lab directories and files.
3. Change to the lab directory and enforce read/write permissions on the files as needed by using the chmod command.
This will setup your local environment for the upcoming hands-on labs. Let me know if you have any other questions!
Fosdem 2010 - An Introduction to Enna Media CenterBenjamin Zores
Enna is a lightweight media center application designed to serve as the GUI for the GeeXboX v2 release. It uses the Enlightenment Foundation Libraries and relies on GeeXboX's libplayer and libvalhalla libraries to provide multimedia playback and metadata retrieval capabilities. Enna's modular design allows it to browse local and networked media sources and play content like music, videos, photos and eBooks. While still early in development, Enna aims to offer a full-featured yet low-footprint media experience for devices like set-top boxes and HTPCs.
ELC 2010 - GeeXboX Enna: Embedded Media CenterBenjamin Zores
GeeXboX Enna is an embedded media center application built using the Enlightenment Foundation Libraries. It provides a small footprint interface for playing multimedia content from local and networked sources. Enna relies on GeeXboX libraries like libplayer for playback and libvalhalla for metadata retrieval. The developer aims to port Enna to ARM devices and integrate more online content and hardware acceleration capabilities.
Finans sektöründe nasıl daha verimli yazılımcılar olabiliriz. Yıllara dayanan tecrübe, gözlem ve biraz araştırmanın sonucu olarak hazırlanan maddeler ile cevap bulmaya çalışıyoruz.
Yaklaşık olarak 15 yıldır aktif olarak yazılım geliştirme işinde yer alıyorum. Son 4 yıldır ise bir bankanın kurumsal çözümlerinde çalışıyorum. Tüm yazılım hayatım boyunca ağırlıklı olarak .Net platformu üzerinde çalıştım. Zaman ilerledikçe sürekli olarak aynı şeylerle uğraşmanın beni paslandırdığını gördüm. İçimdeki araştırmacı kişiliği uyandıracak beni tekrardan keyiflendirecek bir şeyler gerekiyordu. Sonuç olarak çok sıkıldığım bir günün devamında yeni ne öğrenebilirim diye araştırmaya karar verdim. Daha önceden Java ile ilgili bir maceram olmuş ve 24 bölümlük bir makale serisi hazırlayabilmiştim. O zamanlar epeyce keyif alıyordum. Bu kez düşünce yapım biraz daha farklıkaştı. Çocuklara nasıl programlama öğretilebilir fikrinden yola çıktım. İlk iş bir Lego yapmaktı.ve devamı geldi...
This document provides an overview and outline for designing a USB device driver. It discusses USB hardware controllers, the architecture of an embedded USB device including driver components and threads. It describes the USB device driver API including functions for initialization, opening/closing endpoints, reading/writing data, and handling control transfers. The document uses examples to illustrate interrupt handling, enumeration, and data transfer processes involving the USB controller hardware and endpoint FIFOs.
Often called as the Swiss Army Knife of Embedded Linux, BusyBox combines tiny versions of many common UNIX utilities into a single small executable. It provides replacements for most of the utilities you usually find in GNU fileutils, shellutils, etc. It is written with size-optimization
and limited resources in mind. Here is a presentation that details about BusyBox.
File systems provide an organized way to store and access data on storage devices like hard drives. The Linux file system hierarchy standard defines a common structure across Linux distributions with directories like /bin, /etc, /home, /usr, and /var. Common Linux file system types include ext2, ext3, ext4 for disks, initramfs for RAM, and JFFS2 for flash storage. File systems can also be distributed across a network using NFS or optimized for specific purposes like squashfs for read-only files. Partitions divide available storage space to better manage files, users, and data security.
In Embedded system a set of applications used to perform a complex task or to create a product, which is typically another computer program or a system of programs. Tools are linked (or chained) together by specific stages. Output or resulting environment state of the tool becomes input or starting environment for the next one. By default the host contains some development tools which are called native tool-chain. Here is the presentation that shares mode details on components of tool-chain and how to build them for your own embedded distribution.
Getting started with setting up embedded platform requires audience to understand some of the key aspects of Linux. Starting with basics of Linux this presentation talks about basic commands, vi editor, shell scripting and advanced commands
For new age touch-based embedded devices, Android is becoming a popular OS going beyond mobile phones. With its roots from Embedded Linux, Android framework offers benefits in terms of rich libraries, open-source and multi-device support. Emertxe’s hands-on Embedded Android Training Course is designed to customize, build and deploy custom Embedded OS on ARM target. Rich set of projects will make your learning complete.
Embedded Android system development workshop is focused on integrating new device with Android framework. Our hands-on approach makes Emertxe as the best institute to learn android system development training. This workshop deep dives into Android porting, Android Hardware Abstraction Layer (HAL), Android Services and Linux device driver ecosystem. This workshop based training program will enable you to efficiently integrate new hardware with Android HAL / Framework.
Data Structures, which is also called as Abstract Data Types (ADT) provide powerful options for programmer. Here is a tutorial which talks about various ADTs - Linked Lists, Stacks, Queues and Sorting Algorithms
There is a surge in number of sensors / devices that are getting connected under the umbrella of Internet-Of-Things (IoT). These devices need to be integrated into the Android system and accessed via applications, which is covered in the course. Our Android system development course curriculum over weekends with practicals ensures you learn all critical components to get started.
Coming up with optimized C program for Embedded Systems consist of multiple challenges. This presentation talks about various methods about optimizing C programs in Embedded environment. It also has some interesting tips, Do's and Dont's that will offer practical help for an Embedded programmer.
An unique module combining various previous modules you have learnt by combing Linux administration, Hardware knowledge, Linux as OS, C/Computer programming areas. This is a complete module on Embedded OS, as of now no books are written on this with such practical aspects. Here is a consolidated material to get real hands-on perspective about building custom Embedded Linux distribution in ARM.
Have a quick overview of most of the embedded linux components and their details. How ti build Embedded Linux Hardware & Software, and developing Embedded Products
This document provides an introduction and overview of embedded systems and Gentoo Linux. It defines embedded devices, discusses single board computers and evaluation kits. It also covers installing Gentoo on devices, including building cross-compiling toolchains, creating custom profiles and disk images. Finally, it lists several resources for learning more about embedded Gentoo and specific hardware platforms.
Pearce Barry has over 20 years of experience as a software developer and engineer with expertise in C, C++, Linux, embedded systems, and virtualization technologies. He has worked on projects involving networking, storage, security, and testing equipment. His background includes positions at Rapid7, BMC, Boundary, NetApp, Cache IQ, TippingPoint, Storspeed, BreakingPoint Systems, Mirage Networks, and HP.
Learn about Linux on System z Update: Current & Future Linux on System z Technology, Live Virtual Class, Wednesday, July 28. 2010. For more information, visit http://ibm.co/PNo9Cb.
Gentoo Linux, or Why in the World You Should Compile EverythingDonnie Berkholz
Gentoo Linux is a special flavor of Linux that can be automatically optimized and customized for just about any application or need. Extreme performance, configurability and a top-notch user and developer community are all hallmarks of the Gentoo experience.
As a leader of Gentoo, I will provide an overview of how it works from a developer's and a user's point of view, and why you should be running it especially if you're:
- In need of an awesome development environment;
- Interested in learning what's inside the black box of Linux;
- OCD about having a perfectly configured setup; or
- Building an embedded, minimal system or a high-performance cluster.
If there's interest, I can also talk about future developments on the horizon for Gentoo, package management in general, etc.
FILEgrain: Transport-Agnostic, Fine-Grained Content-Addressable Container Ima...Akihiro Suda
My talk at Open Source Summit North America (Los Angeles - September 11, 2017): http://sched.co/BDpM
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The current Docker/OCI image format uses TAR archives, which are created for each of Dockerfile `RUN` changesets, for representing rootfs layers.
One of the problems with this format is that a container cannot be started until all the TAR archives are downloaded.
Also, the format has limitations in concurrency of downloading, and granularity of file deduplication among different versions of images.
FILEgrain solves these problems by using content-addressable store in the granularity of files, rather than of TAR archives, in the transport-agnostic way.
Since the files can be lazily downloaded, a container can be started without downloading whole the image.
The experimental result with 633MB of Java image shows that downloading 4MB of files is enough for running sh, 87MB for JRE, and 136MB for JDK.
Further information are available at https://github.com/AkihiroSuda/filegrain .
Design, Build,and Maintain the Embedded Linux PlatformSZ Lin
Using open source software to build an embedded Linux platform from scratch.
Building an embedded Linux platform is like a puzzle; placing the suitable software components in the right positions will constitute an optimal platform. However, selecting suitable components is difficult since it depends on different application scenarios. The essential components of an embedded Linux platform include the bootloader, Linux kernel, toolchain, root filesystem; it also needs the tools for image generation, upgrades, and testing. There are abundant resources in the Linux ecosystem with these components and tools; however, selecting the suitable modules and tools is still a key challenge for system designers.
Building Embedded Linux Systems IntroductionSherif Mousa
This document provides an introduction to embedded Linux. It defines embedded Linux as using the Linux kernel and customizing user-space libraries and utilities for applications in consumer electronics, military, medical, and other industries. Creating an embedded Linux system involves selecting the right components to build the final system. A cross-compiler is used to build code for the target platform on the host development machine. Key components of an embedded Linux system include the bootloader, Linux kernel, filesystem, configuration files, C library, commands, and user applications.
This document provides an overview of embedded Linux. It defines embedded Linux as porting the Linux kernel to run on a specific CPU and board that will be placed in an embedded device. It discusses common embedded Linux distributions and components like bootloaders, kernels, and file systems. It also outlines the process for building an embedded Linux system, developing applications for it using common free tools, and emulating or testing on real hardware.
Oplægget blev holdt ved et seminar i InfinIT-interessegruppen Højniveausprog til indlejrede systemer, der blev afholdt den 6. marts 2013. Læs mere om interessegruppen her: http://www.infinit.dk/dk/interessegrupper/hoejniveau_sprog_til_indlejrede_systemer/hoejniveau_sprog_til_indlejrede_systemer.htm
This document discusses .NET frameworks for resource-constrained IoT devices. It describes .NET Micro Framework, an earlier Microsoft framework, and .NET NanoFramework, an open-source alternative. It provides details on NanoFramework's layers, supported devices and peripherals. The document demonstrates connecting sensors and motors to an ESP32 device using NanoFramework in Visual Studio.
For the full video of this presentation, please visit:
https://www.embedded-vision.com/platinum-members/embedded-vision-alliance/embedded-vision-training/videos/pages/may-2019-embedded-vision-summit-montgomery
For more information about embedded vision, please visit:
http://www.embedded-vision.com
Clay D. Montgomery, Freelance Embedded Multimedia Developer at Montgomery One, presents the "Building Complete Embedded Vision Systems on Linux—From Camera to Display" tutorial at the May 2019 Embedded Vision Summit.
There’s a huge wealth of open-source software components available today for embedding vision on the latest SoCs from suppliers such as NXP, Broadcom, TI and NVIDIA, at lower power and cost points than ever before. Testing vision algorithms is the first step, but what about the rest of your system? In this talk, Montgomery considers the best open-source components available today and explains how to select and integrate them to build complete video pipelines on Linux—from camera to display—while maximizing performance.
Montgomery examines and compares popular open-source libraries for vision, including Yocto, ffmpeg, gstreamer, V4L2, OpenCV, OpenVX, OpenCL and OpenGL. Which components do you need and why? He also summarizes the steps required to build and test complete video pipelines, common integration problems to avoid and how to work around issues to get the best performance possible on embedded systems.
Platform Cable USB II is a device that programs and configures Xilinx FPGAs, CPLDs and PROMs. It connects to a computer via USB and provides high-speed programming through its integrated FPGA and firmware. Key features include support for multiple Xilinx device families, compatibility with Xilinx software tools, and an easy-to-use interface.
Presented by: Elizabeth Joseph, IBM
Presented at All Things Open 2020
Abstract: Many enterprises and, as many of us learned during the COVID-19 outbreak, governments, rely on mainframes to do the bulk of their data-driven work and the modern mainframe is very good at what it does. But what if you’re looking to modernize your platform and bring in the DevOps methodologies, tooling, and practice into your organization?
Today, there is an entire product line of mainframes that exclusively run Linux (RHEL, SLES, or Ubuntu). With Linux, you get access to the vast ecosystem of open source software that’s already been ported to the mainframe architecture (s390x), with more being ported every month.
If your organization is using z/OS, the Open Mainframe Project has a series of open source projects targeted specifically at the mainframe and improving usability. Zowe, for instance, helps create a consolidated API for accessing resources and workload on your system and Feilong is a z/VM connector that allows you to manage your virtual machines with familiar open source tooling like OpenStack. There are even connectors for Jenkins that allow you to integrate CI/CD pipelines with your workloads.
In this talk I’ll explore all of this in more to show you how an automated, modern environment can thrive on today’s mainframe.
This document provides an overview of multimedia capabilities and libraries for embedded Linux systems, including DirectFB and SDL. It describes key multimedia concepts and gives brief descriptions of the main features and capabilities of DirectFB and SDL, including video playback, audio, input handling, and acceleration. It also discusses using these libraries for multimedia development on embedded Linux targets.
Embedded Linux provides a standardized operating system solution for embedded systems through the Linux kernel. The Linux kernel abstracts the underlying hardware and provides drivers to interface with hardware peripherals. This allows application developers to focus on their code without needing to manage low-level hardware interactions. A bootloader initializes the hardware and loads the Linux kernel from memory. The kernel then loads and runs programs stored in the filesystem. Cross-compilers allow the same source code to target different processor architectures. Libraries and drivers help share code and resources across applications and hardware.
HR STRATEGIES AND EMPLOYEE OUTCOMES: A STUDY ON COMPENSATION, APPRAISAL, RECO...indexPub
This study examines the relationship between HR practices and employee outcomes in order to provide insight into the crucial role HR practices play in organisational dynamics. The results show that HR procedures significantly affect workers' engagement with their work and their ability to decide whether or not to stay with their current employer. In order to improve staff retention rates and achieve sustained organisational effectiveness, this study's findings stress the significance of well-crafted human resource policies. Purpose: The purpose of this study is to investigate the multifaceted relationship between human resource practices and employee outcomes, specifically focusing on compensation, performance appraisal, and recognition programs. By delving into these dynamics, the research aims to enhance our understanding of how these HR strategies influence job embeddedness and the intention to quit among employees, ultimately providing valuable insights for organizations to optimize their HR policies and employee retention strategies. Design/Methodology: This research adopts a quantitative approach, utilizing a structured survey instrument administered to a diverse sample of employees across various industries. Data collected will be analyzed using advanced statistical techniques, including regression analysis, to examine the associations between compensation, performance appraisal, recognition programs, job embeddedness, and intention to quit. Additionally, qualitative data such as open-ended responses will be analyzed to gain deeper insights into employee perceptions and experiences. Findings: Reveal significant correlations are identified as key determinants of job embeddedness, with higher levels of job satisfaction and commitment associated with these practices. Moreover, employees exposed to effective HR strategies exhibit a decreased intention to quit, highlighting the role of these practices in retaining talent. The study also identifies nuanced interactions between these variables, shedding light on the complexity of HR practices' impact on employee attitudes and behaviours. Practical Implications: By recognizing the importance of compensation, performance appraisal, and recognition programs in promoting job embeddedness and reducing intention to quit, organizations can design and implement more effective HR policies. This, in turn, can lead to improved employee retention rates, increased job satisfaction, and ultimately contribute to organizational success and stability. Originality/Value: The originality of this research lies in its ability to provide organizations with a comprehensive understanding of the interconnectedness of these variables, thus offering valuable insights and practical recommendations for HR practitioners and organizational leaders striving to retain talent and foster a positive workplace culture.
MISS RAIPUR 2024 - WINNER POONAM BHARTI.DK PAGEANT
Poonam Bharti, a guide of ability and diligence, has been chosen as the champ from Raipur for Mrs. India 2024, Pride of India, from the DK Show. Her journey to this prestigious title is a confirmation of her commitment, difficult work, and multifaceted gifts. At fair 23 a long time ago, Poonam has as of now made noteworthy strides in both her proficient and individual lives, encapsulating the soul of present-day Indian ladies who adjust different parts with beauty and competence. This article dives into Poonam Bharti’s foundation, achievements, and qualities that separated her as a meriting champion of this award.
The Power of Gratitude: How Gratitude Can Change Your LifebluetroyvictorVinay
n our fast-paced world, it’s easy to get caught up in the hustle and bustle of daily life, often forgetting to pause and appreciate the beauty that surrounds us. Yet, there is a simple but profound practice that can significantly transform our lives: gratitude. Embracing gratitude isn’t just about saying “thank you” but about adopting an attitude of thankfulness that can shift our perspective, enhance our well-being, and lead to a more fulfilling life.
MISS TEEN HYDERABAD 2024 - WINNER RYKA TANDONDK PAGEANT
In the dynamic city of Hyderabad, a youthful and outstandingly skilled person has as of late made waves on the national stage. Ryka Tandon, a 14-year-old understudy, has been honored with the prestigious title of Miss High Schooler India 2024 Victor, Pride of India, from the Dk Show. Her travels to this regarded position are a confirmation of her unflinching devotion, ability, and tireless endeavors. Despite her youthful age, Ryka has, as of now, accomplished momentous points of reference that recognize her as a guide of motivation and pride for her city and her nation. This article digs into the uncommon life and accomplishments of Ryka Tandon, investigating her foundation, achievements, and the qualities that make her a standout individual.
Navigating the World of Topsoil: A Guide to the Right Choice for Your Gardennerissacampuzano
Are you looking to improve your garden's health but unsure about which topsoil to choose? This PPT provides insights into selecting the right topsoil for your gardening needs. From understanding various types of topsoil to evaluating their benefits, this resource equips you with the essential knowledge to make an informed decision. Explore to learn more.
Click to know more - https://mulchpros.com/blog/navigating-the-world-of-topsoil-a-guide-to-the-right-choice-for-your-garden/
Green Illustrated Sustainable World Presentation.pdfliwangshu074
Our project "Recycling Old Clothes" aims to enhance the public's understanding and participation in the recycling of used clothes through scientific and technological means, and promote the concept of sustainable development.
Transform your outdoor space with professional yard clean-up services! From initial assessment to final cleanup, professional yard cleaners offer debris removal, lawn care, trimming, pruning, weed control, mulching, and meticulous disposal. Save time and enjoy a beautifully maintained yard year-round.
2. What is OpenBricks ?
Enterprise-grade embedded
Linux framework and build system.
For easy and custom Linux distribution bring-up.
Runs on a wide variety of hardware.
For rapid prototyping or full-blown product development.
• “Hum, seems like I’ve already heard about that ...
So how is it different from … ?”
B. Zores – FOSDEM 2011
3. State of the Art
2011 Embedded Linux build systems:
• OpenEmbedded (Angström, Poky, Yocto, ...)
• Buildroot
• OpenWRT
• T2 SDE
• Linux Target Image Builder (LTIB)
• “Professional”: Windriver, Montavista, Mentor Graphics …
• And now OpenBricks ??
• More details in a further talk, but in the mean time:
http://tinyurl.com/EmbeddedLinuxBuildSystems
B. Zores – FOSDEM 2011
5. The 5 minutes Overview
Embedded Linux build framework
for individuals and/or enterprises for either
easy prototyping or full-blown products development.
Replaces traditional BSPs with a fine-grained
package tuning ability (through kconfig interface).
Support for x86, ARM, PowerPC and MIPS architectures
with reference boards optimizations.
Brings up low-level system and features
major applicative frameworks (Qt, EFL, GTK, SDL)
for developers to only focus on end-user applications.
Multimedia-oriented but with general purpose:
• Currently sustains the GeeXboX STB OS project.
• But allow you to build your unique one too …
B. Zores – FOSDEM 2011
6. Supported Architectures
x86 (32/64 bits):
from generic builds to custom ATOM/ION optimized ones.
PowerPC (32/64 bits)
MIPS (32 bits)
ARM:
• ARM9 (e.g. Marvell Kirkwood …)
• ARM11 (e.g. Broadcom BCM11107 Persona family …)
• Cortex A8 / A9 (e.g. TI OMAP3, TI OMAP4, nVidia Tegra250 …)
With known reference boards optimizations:
Beagleboard, IGEPv2, Touchbook, Pandaboard …
Much more to be expected:
Freescale i.MX, Qualcomm SnapDragon,
Marvell Armada, Intel CE4xxx …
B. Zores – FOSDEM 2011
7. Applicative Features
Supported Languages:
• Shell, C, C++, Python, Perl, Lua, Vala
Supported Frameworks:
• Nokia Qt 4.7.1 with support for:
• Webkit
• QtMobility
• QtDeclarative / QML
• Enlightenment EFL 1.0
• GTK+ 2.22
• SDL Simple DirectMedia Layer 1.2
B. Zores – FOSDEM 2011
8. Multimedia Features - Graphics
Native framebuffer interface.
Accelerated DirectFB engine.
Accelerated X11 Infrastructure.
Support for Khronos group standards:
• EGL Native Platform Graphics Interface
• Desktop OpenGL 3.0
• Embedded OpenGL|ES 2.1
• Embedded OpenVG 1.0
• Provided either by Mesa or by manufacturer’s binary blobs.
B. Zores – FOSDEM 2011
9. Multimedia Features - Audio/Video
Audio Frameworks:
• ALSA, PulseAudio
Software Video Frameworks:
• SMP-optimized FFmpeg decoders.
Hardware Video Frameworks:
• Khronos OpenMAX (OMAP3, OMAP4, Tegra2).
• nVidia VDPAU (x86 with nVidia GeForce GPU).
• Freedesktop VA-API (x86 with Intel or ATI GPUs).
• Broadcom CrystalHD (BCM 70012/70015 chips).
• Other native SoC acceleration (OMAP3, OMAP4).
B. Zores – FOSDEM 2011
10. Multimedia Features - Applications
Frameworks and Players:
• MPlayer, Xine, GStreamer, VLC
• libplayer Audio/Video abstraction framework
Media Center frontends:
• XBMC
• Video Disk Recorder (VDR)
• Enna
• HTS Showtime
• Nokia QtMediaHub
• MythTV
B. Zores – FOSDEM 2011
11. Build System Overview
Fully POSIX shell scripts based:
• Easy understanding, hacking and maintenance ...
• … at least much more than obfuscated Makefiles or Python stuff ;-)
Does not require any externals tools or environment.
• Required host build tools and packages are built along the way.
• Cross-Compilation Safety and Robustness
• Triggers GCC internal errors on -I/usr/include and -L/usr/lib
Fully customizable:
• Supports customized distribution flavours
pre-generated configurations.
• Complete standalone package/feature selection
through Kconfig interface.
• Per-package fine-tuning through use flags (similar to Gentoo).
Features per-package metadata rules for abstracted in/out.
With more than 550 supported packages.
B. Zores – FOSDEM 2011
12. Toolchain Overview
Support for multiple GCC-based cross-compilers:
• OpenBricks multi-architectures native one.
• Linaro for ARM.
• CodeSourcery for ARM.
• Support for multiple C libraries:
• GNU libc (glibc)
• Embedded GLIBC (eGlibc). This is default one !
• uClibc
• klibc (for early ramdisk bits).
Do your own mix !
B. Zores – FOSDEM 2011
13. Configuration Overview (1/2)
Up to 3-levels of hardware configuration tuning:
• Architecture (e.g. ARM, x86 …)
• Platform (e.g generic, OMAP3, OMAP4 …)
• Machine (e.g. generic, Beagleboard, IGEPv2 …)
• The deeper, the more optimized (footprint, selected packages …),
but the less portable …
-> it’s up to you to choose depending on your needs !
Automatic package inter-dependencies
selection and build process.
Support for per arch/platform/machine package overlay.
B. Zores – FOSDEM 2011
14. Configuration Overview (2/2)
Features fine-tuning through “use flags” (similar to Gentoo):
• Conditionally build specific features.
• Enable flags per-package or system-wide.
• You can also have package-specific flags.
• Infinite number of them …
Pre-determined packages subset, a.k.a. build flavours:
• Minimalist base bootable system.
• GeeXboX MediaCenter-oriented distribution.
• Add your own distro here !
B. Zores – FOSDEM 2011
15. Key Build Framework Features
Bleeding-edge packages: latest stable package version policy.
Support for arch/platform/machine
specific package overlay (sources, patches …).
Modern user-space: systemd, udev, D-Bus, connman …
Stuff gets packaged into low-resources OPKG packages.
Multiple OPK build residue: runtime, devel, debug.
Multiple target system delivery forms:
• Flashable disk images: JFFS2, UBIFS, EXT 2/3/4.
• x86 LiveCD (ISO) and network (PXE) bootable images.
• Flat root filesystem
• Virtual machines images: QEMU, VMware
B. Zores – FOSDEM 2011
16. Package Description Template
Files Structure:
• build: cross-build rules
• install: installation rules for target (optional)
• installdev: installation rules for host toolchain (optional)
• meta: metadata, use flags and package description.
• unit (optional)
• package.service: systemd service.
• patches (optional)
• 01_fix.diff
• 02_feature.diff
• series (optional)
B. Zores – FOSDEM 2011
17. “Simple” package example: syslink (1/4)
●
Metadata description:
PKG_NAME=syslink
PKG_VERSION=0.24.9.2
PKG_URL="$DISTRO_SRCS/tisyslink-${PKG_VERSION}.tar.bz2"
PKG_REV=1
PKG_DEPENDS="$TARGET_LIBC tiler"
PKG_BUILD_DEPENDS="toolchain"
PKG_PRIORITY=optional
PKG_SECTION=libs
PKG_SHORTDESC="TI OMAP4 SysLink DSP interface"
PKG_LONGDESC="SysLink is the next generation IPC driver
developed for OMAP4 and beyond. SysLink is an evolution of
both the previous-generation IPC drivers - DSPBridge and
DSPLink."
B. Zores – FOSDEM 2011
18. “Simple” package example: syslink (2/4)
Build Rules:
#!/bin/sh
. config/options
cd $BUILD/$1*
do_configure
--disable-debug
make
make_install
B. Zores – FOSDEM 2011
23. How you can one help (or get helped) ?
Get some help or information:
• Website provides a complete documentation on build system internals.
• On our mailing list: devel@openbricks.org
Join the development team:
• Add new packages, hence features.
• Add support for new/more hardware (yours ?).
• Increase flavours support by adding your custom distribution subset.
Sponsor us with a couple of reference boards.
• Only way for the team to really support your architecture …
• We’re still interested in Intel / Freescale / Qualcomm / Marvell boards.
Donations
• The usual way: helps us buy new toys to be supported ...
B. Zores – FOSDEM 2011