Using Debian Containers For Cross Development

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USING DEBIAN CONTAINERS FOR CROSS DEVELOPMENT

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MATHEUS DE BARROS CASTELLO 28 year old, BS in Computer Science Embedded SW Engineer Linux Kernel Developer - v4.18 contributions WHO I AM ?

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MAIN CONTRIBUTIONS Linux Kernel v4.18 BCM2835 Pinctrl dotnet/iot .Net Core 3.0 Preview Libgpiod / PWM

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CHANNELS

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DUAL CORE - ARM A9 @1Ghz 512MB DDR3 4GB eMMC Vivante GC880 - GPU 3D Graphics UP TO 154 GPIOs 4X ANALOG INPUTS I2C / PWM / USB / UART HARDWARE FOR DEMOS

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SOFTWARE FOR DEMOS

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DEVELOPMENT CHALLENGES FOR EMBEDDED DEVICES

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Development x86 Target Device ARMv7

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CROSS DEVELOPMENT

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CROSS DEVELOPMENT

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Target Device ARMv7 Development x86 arm-linux-gnueabihf-gcc

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CROSS DEVELOPMENT - libgpiod Example

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Target Device ARMv7 libgpiod arm-linux-gnueabihf-gcc

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CROSS DEVELOPMENT - Config sysroot

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CROSS DEVELOPMENT - Config sysroot

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User Space Kernel BSP Bootloader Development Toolchain Yocto - build your own Linux Distro Distro optimized for you hardware

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Yocto - build your own Linux Distro Distro optimized for you hardware Learning Curve User Space Kernel BSP Bootloader Development Toolchain

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CHROOT - create/copy/config your sysroot Use a ready arm distro base

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CHROOT - create/copy/config your sysroot Use a ready arm distro base (gcc --sysroot) It is not so easy to deploy/document/duplicate

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CROSS-DEV WITH CONTAINTER - QEMU-USER

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CROSS-DEV WITH CONTAINTER - QEMU-USER

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Docker - package/isolate dependency software Easy to deploy/document/duplicate

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Docker - package/isolate dependency software Easy to deploy/document/duplicate Increased storage memory spend

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WHAT IS A CONTAINER?

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IN REAL LIFE

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IN VIRTUAL LIFE

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Package Software into Standardized Units for Development, Shipment and Deployment

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Edge

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https://docs.microsoft.com/en-us/virtualization/windowscontainers/deploy-containers/linux-containers

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https://docs.microsoft.com/en-us/virtualization/windowscontainers/deploy-containers/linux-containers

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Development x86 Target Device ARMv7 Docker Image Dockerfile Docker Image Docker container Dockerhub CROSS-DEV WITH CONTAINTER - hello.c example

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Development x86 Target Device ARMv7 Docker Image Dockerfile Docker Image Docker container Dockerhub CROSS-DEV WITH CONTAINTER - hello.c example

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Q&A

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