Advance Innovation Centre
  • AIC Knowledge @ EEC for All
  • 😎Logical Thinking
    • Karel Robot
    • Code to Flowchart
    • Play with Docker
    • CNX Software
  • MCU & Interfacing with Infineon PSOCâ„Ē
    • Basic MCU Interfacing
      • Introduction to CY8CKIT-062S2-43012 Pioneer Kit
      • Development Environment Preparation
      • PSoCâ„Ē 6S2 Peripherals Interfacing (GPIO)
        • Hello World and LED Blinking
        • GPIO Principles
        • PSoCâ„Ē 6S2 GPIO-HAL LED Blink Lab
        • PSoCâ„Ē 6S2 GPIO-PDL LED Blink Lab
        • Button "Bounce" Principles
          • Push/Pull Button to Turn ON/OFF LED via HAL
          • Push/Pull Button to Turn ON/OFF LED via PDL
          • GPIO Button Interrupt via HAL
          • GPIO Button Interrupt via PDL
        • GPIO variables & functions
      • PSoCâ„Ē 6S2 Peripherals Interfacing (ADC, PWM)
        • PSoCâ„Ē 6S2 SAR ADC
          • ADC Principles
          • PSoCâ„Ē 6S2 with ADC Labs
            • Reading potentiometer sensor value via an ADC HAL
            • Reading potentiometer sensor value via an ADC PDL
        • PSoCâ„Ē 6S2 PWM & TCPWM
          • PWM Principles
          • PSoCâ„Ē 6S2 for PMW Function Labs
            • LED Brightness using PWM via HAL
            • LED Brightness using PWM via PDL
    • Sensor Interfacing and HMI
      • OLED Display
        • OLED Display Principles
        • Calling BDH’s OLED functions
        • Display ADC via Potentiometer on OLED
      • BDH Shell
        • Shell Principles
        • LED Blinking and CAPSENSE via BDH Shell
        • Adding "History" command
        • Adding "Reboot" command
        • CAPSENSE Button and Slider
          • CAPSENSE Button and Slider with Capsense Tuner
          • CAPSENSE Button and Slider using FreeRTOS
    • Serial Communication & Visualization
      • UART, I2C, SPI Communication via Infineon PSoCâ„Ē6
      • BMX160 Sensor Communication via Infineon PSoCâ„Ē6
        • Reading ADC via HAL with Potentiometer and Displaying GUI on Serial Studio
        • Reading XENSIV-DPS-3XX Pressure Sensor and Displaying GUI on Serial Studio
        • Motion Sensors GUI Integration via Serial Studio
    • IoT Connectivity & Data Analytics via Node-Red
      • Node-Red Installation
      • Setting MQTTS to MQTT Broker
      • Sending PSoC6’s sensor to MQTT (node-red)
    • Edge AI on PSoCâ„Ē
      • Machine Learning on PSoCâ„Ē6 via Edge-Impulse
    • Infineon PSoCâ„Ē Troubleshooting
  • IoT Development with Infineon PSOCâ„Ē & BDH Platform
    • PSoCâ„Ē IoT Development Kit
      • Introduction to CY8CKIT-062S2-43012 Pioneer Kit
      • Development Environment Preparation
        • Hello World and LED Blinking
    • IoT Connectivity
      • Node-Red Installation
      • Controlling PSoCâ„Ē LED using MQTT
      • Setting MQTTS to MQTT Broker
      • Sending PSoC6’s sensor to MQTT (node-red)
    • BDH IoT Connectivity
    • WireLinXâ„Ē IoT PLC
    • BDH X-Brain Data Analytics
      • PSoC6 Data Collection to CSV log file
    • Data Visualization
      • āļŠāļĢāđ‰āļēāļ‡ Dashboard āļ”āđ‰āļ§āļĒ Looker Studio
  • ðŸ–ĨïļOperation Systems
    • Prerequisites
      • Guideline from Ubuntu
        • Ubuntu and VSCode on WSL2
      • āļ•āļīāļ”āļ•āļąāđ‰āļ‡ WSL 2
      • Run Ubuntu on VirtualBox7
    • Zero to Linux Hero
      • Computer OS Architecture
      • Anatomy of Linux System
        • UNIX/Linux History
        • UNIX/Linux Evolution
        • GNU Project
        • Linux OS Architecture
        • Command Line Interface (CLI)
          • Basic Commands
          • 😎Level up your Linux Shell
          • File & Dir. Commands
          • Searching Commands
          • 😎ChatGPT-based Terminal
          • SysAdmin Commands
          • Network Commands
          • Hacker Commands
        • Busybox
        • Shell Script
          • Awk Script
          • Bash Shell Script
            • Bash Snippets
            • Bash Useful Examples
      • Anatomy of Linux Kernel
        • Linux Kernel Principles
        • Linux Environment for Developer
      • Anatomy of Embedded Linux
        • Embedded Linux
        • Host & Target
        • Cross Toolchains
        • Bootloader
        • Building Embedded Linux
    • Linux OS Dev. Engineer
      • Process Management
        • Process Basic
        • Process State
        • Basic Process Mgmt. Commands
        • Advance Process Mgmt. Commands
        • Process API Programming
      • IPC
        • IPC Anatomy
        • Signal Programming
        • Pipe Programming
        • FIFO Programming
        • Msg. Queue Programming
          • System V
        • Share Memory Programming
          • System V
        • Socket Programming
      • POSIX Threads
        • Multi-tasking Basic
        • POSIX Thread Anatomy
        • Threading Programming
      • Applied IPC
        • Remote Commander
        • Multi-Remote Commanders
      • Process Synchronization
        • Mutex Programming
        • Semaphore Programming
      • Applied IPC with Semaphore
  • ⌚Embedded Systems Development
    • Introduction to ESD
      • Why's ESD?
      • What it use for?
      • How it works?
    • Enbedded System Development via PSoC6
      • Basic MCU Interfacing
        • Introduction to CY8CKIT-062S2-43012 Pioneer Kit
        • Development Environment Preparation
        • PSoCâ„Ē 6S2 Peripherals Interfacing (GPIO)
          • Hello World and LED Blinking
          • GPIO Principles
          • PSoCâ„Ē 6S2 GPIO-HAL LED Blink Lab
          • PSoCâ„Ē 6S2 GPIO-PDL LED Blink Lab
          • Button "Bounce" Principles
            • Push/Pull Button to Turn ON/OFF LED via HAL
            • Push/Pull Button to Turn ON/OFF LED via PDL
            • GPIO Button Interrupt via HAL
            • GPIO Button Interrupt via PDL
          • GPIO variables & functions
        • PSoCâ„Ē 6S2 Peripherals Interfacing (ADC, PWM)
          • PSoCâ„Ē 6S2 SAR ADC
            • ADC Principles
            • PSoCâ„Ē 6S2 with ADC Labs
              • Reading potentiometer sensor value via an ADC HAL
              • Reading potentiometer sensor value via an ADC PDL
          • PSoCâ„Ē 6S2 PWM & TCPWM
            • PWM Principles
            • PSoCâ„Ē 6S2 for PMW Function Labs
              • LED Brightness using PWM via HAL
              • LED Brightness using PWM via PDL
      • Sensor Interfacing and HMI
        • OLED Display
          • OLED Display Principles
          • Calling BDH’s OLED functions
          • Display ADC via Potentiometer on OLED
        • BDH Shell
          • Shell Principles
          • LED Blinking and CAPSENSE via BDH Shell
          • Adding "History" command
          • Adding "Reboot" command
          • CAPSENSE Button and Slider
            • CAPSENSE Button and Slider with Capsense Tuner
            • CAPSENSE Button and Slider using FreeRTOS
      • Serial Communication & Visualization
        • UART, I2C, SPI Communication via Infineon PSoCâ„Ē6
        • BMX160 Sensor Communication via Infineon PSoCâ„Ē6
          • Reading ADC via HAL with Potentiometer and Displaying GUI on Serial Studio
          • Reading XENSIV-DPS-3XX Pressure Sensor and Displaying GUI on Serial Studio
          • Motion Sensors GUI Integration via Serial Studio
    • Edge Computing and IoT Connectivity
    • Cloud-Based Data Analytics and Digital Twin
    • Edge Vision AI
    • Resources
      • Basic Hardware and Firmware
        • Environment Preparation
          • āļāļēāļĢāļ•āļīāļ”āļ•āļąāđ‰āļ‡āđ‚āļ›āļĢāđāļāļĢāļĄ Arduino IDE
            • āļ•āļąāļ§āļ­āļĒāđˆāļēāļ‡āļāļēāļĢāđ€āļĢāļīāđˆāļĄāļ•āđ‰āļ™āđƒāļŠāđ‰āļ‡āļēāļ™ Arduino IDE
          • āļāļēāļĢāļ•āļīāļ”āļ•āļąāđ‰āļ‡āđ‚āļ›āļĢāđāļāļĢāļĄāļŠāļģāļŦāļĢāļąāļšāđƒāļŠāđ‰āļ‡āļēāļ™āđ€āļ„āļĢāļ·āđˆāļ­āļ‡āļĄāļ·āļ­āļ§āļąāļ” NI MyDAQ
            • āļ•āļąāļ§āļ­āļĒāđˆāļēāļ‡āļāļēāļĢāļ•āļąāđ‰āļ‡āļ„āđˆāļēāđƒāļŠāđ‰ Digital Multimeter -NI ELVISmx
            • āļ•āļąāļ§āļ­āļĒāđˆāļēāļ‡āļāļēāļĢāļ•āļąāđ‰āļ‡āļ„āđˆāļēāđƒāļŠāđ‰ Oscilloscope-NI ELVISmx
          • āļ•āļīāļ”āļ•āļąāđ‰āļ‡āđ‚āļ›āļĢāđāļāļĢāļĄ KingstVIS
        • Basic measurement
          • Basic Digital and Analog I/O
            • LAB: Basic Digital Input/Output
            • LAB: Basic Analog Input/Output
          • Waveform
            • LAB: Oscilloscope
            • LAB: Oscilloscope and Function Generator
            • LAB: Pulse Width Modulation (PWM)
              • Homework
        • Interfacing and Communication
          • LAB: UART, RS485, RS232 Protocol
          • LAB: I2C Protocol
            • HOMEWORK
          • LAB: SPI Protocol
      • IoT Connectivity
        • Example: IoT with MQTT on Node-red
        • Data logger
        • LAB: Data Visualization
  • 🛠ïļC/C++ for Embedded Programming
    • Development Environment Preparation
      • āļ•āļīāļ”āļ•āļąāđ‰āļ‡ WSL 2
      • āļ•āļīāļ”āļ•āļąāđ‰āļ‡ Ubuntu environment
      • āļ•āļīāļ”āļ•āļąāđ‰āļ‡āđ‚āļ›āļĢāđāļāļĢāļĄ Visual Studio Code
      • āļāļēāļĢāđ€āļŠāļ·āđˆāļ­āļĄāļ•āđˆāļ­ Virtual studio code āđ€āļ‚āđ‰āļēāļāļąāļš WSL
      • āļ•āļīāļ”āļ•āļąāđ‰āļ‡ docker on WSL
    • Principle C/C++ Programming
      • Get started with C++
      • Makefile
        • Makefile Examples
      • Compiling and running
        • How to create a program that you can enter inputs.
          • Lab 1 Exercise
      • Arguments
        • Command line arguments in C and C++
      • signed and unsigned data types
      • Variable and Operator
      • If and If else
      • Loop, Infinite loop, and flag
        • Loop and Flag exercise
      • Array
        • Get to know with arrays
        • Implement example
      • Vector
    • Object Oriented Programming (OOP) in C++
      • Class and Object
      • Encapsulation and Abstraction
      • Polymorphism and Inheritance
    • C/C++ Preprocessing
      • Macro
        • Quiz Macro
      • File Inclusion
      • Conditional Compilation
      • Pragma directive
        • Quiz Pragma
    • String in C++
      • Concatenation
      • Split
    • Type conversions for C/C++
      • Conversion using Cast operator
    • Error handling
    • Data logger
      • āļāļēāļĢāļŠāļĢāđ‰āļēāļ‡āđ„āļŸāļĨāđŒāđāļĨāļ°āđ€āļ‚āļĩāļĒāļ™āđ„āļŸāļĨāđŒ
      • āļāļēāļĢāļ­āđˆāļēāļ™āđ„āļŸāļĨāđŒ
      • āļāļēāļĢāđ€āļāđ‡āļšāļ‚āđ‰āļ­āļĄāļđāļĨāļāļąāļšTime stamp
    • High performance programing
      • Multi-task and Multi-thread
        • Multi-threading example
      • Mutex
      • Queue
      • OpenCV
    • C/C++ Techniques
      • Makefile in action
      • Object Oriented Programming (OOP) in C++
        • Class and Object
        • Encapsulation and Abstraction
        • Polymorphism and Inheritance
      • C/C++ Preprocessing
        • Macro
          • Quiz Macro
        • File Inclusion
        • Conditional Compilation
        • Pragma directive
          • Quiz Pragma
      • Binary, Octal and Hexadecimal Numbers
      • Array and properties of an array
        • Get to know with arrays
        • Implement example
      • What's next?
  • ðŸĪ–Artificial Intelligence (AI)
    • VAMStack Design House, BUU
    • Data Analytics
      • Data cleansing
      • Data analytics
      • Data analytic exercise
    • Machine Learning
      • Neural Network Layers
      • Machine learning type
      • Dataset
      • Using Edge Impulse for AI Model
    • Basic Image Processing
      • Computer Vision using Python Language
        • Installation
        • Computer Vision Basics
          • Pixel and Color
          • Draw image
          • Basic Image processing
          • Morphology Transformations
          • Gaussian blur
          • Simple Thresholding
          • Contour
          • Canny edge detection
        • Case Study
          • Coin counting
          • Color detection & tracking
        • VAM_CV SDK
  • ⚙ïļFPGA Design and Development
    • Verilog HDL via Vivado IDE
      • LAB1: Setting Environment and Create Project
        • Create Vivado Project
      • LAB2: Hardware Description Language Work Flow
        • Simulation code
      • LAB3: Design HDL Project
        • Top Level Design
        • Top-level Simulation
      • LAB4: Asynchronous VS Synchronous Circuit
        • Simulation Synchronous counter
    • C/C++ Programming on Ultra96v2 FPGA Board
      • Application C/C++ on Ultra96v2 Part 1
        • Design Overview
        • Step 1 - Burn the image to SD card
        • Step 2 - Bring up Ultra96v2
        • Step 3 - Installing the Vitis-AI runtime packages
      • Application C/C++ on Ultra96v2 Part 2
        • STEP 1 : Setting auto boot Wifi
        • STEP 2 : How to working on Embedded
        • STEP 3 : How to run the test code
  • ðŸĪ–Robotics
    • Dobot Magician
      • Instruction of Dobot
      • Software Download
      • Basically of Program
        • Teaching and Playback
        • Write and Draw
        • LaserEngraving
        • 3D Printer
    • Robotino
      • Software Download
        • Robotino View
        • Robotino SIM
      • Charging
      • Connecting
      • Follow Line example
        • Basic block in Follow Line
    • RaspBlock
      • Get Started with Raspblock
  • ðŸšĐSpecial Topics
    • Node-Red
      • Set up Raspberry Pi
      • Install node red in Raspberry Pi
      • Get started with Node Red
        • Open node-red
        • Turn off node red
        • Install Dashboard on Node-red
        • Use node red to show message
        • Using Ultrasonic sensor with node-red
    • IoT Cloud
      • Overview
        • How do they work?
          • Basic Knowlege
      • Installations
        • Install Docker
        • Install Mosquitto Broker
        • Install InfluxDB
        • Install Telegraf
        • Install Grafana
      • Get Sensor Value and Send to MQTT
        • Connect ESP3266 to sensor
        • Connect ESP3266 to MQTT
      • Integration
    • Senses IoT
      • SENSES IoT Platform
      • LAB8: MCU send data to IoT platform
    • CrowPi Dev Kit
      • Raspberry Pi with CrowPi
      • Remote to Raspberry Pi
      • Cross-Compile
        • Lab 1: Programming and cross complier
      • Hardware and Interfaces Usage CLI
        • LAB: Usage GPIO via CLI
        • LAB: Scan I2C bus via CLI
      • Python library for Crow Pi
      • wiringPi library (C) for CrowPi
        • Lab2: Crowpi and sensors
    • LVGL Development
      • LVGL - Light and Versatile Embedded Graphics Library
        • Setting program for LVGL Simulator
        • Get started with LVGL simulator
        • Example Library of LVGL
        • Create your own screen
          • Exercise
        • Style
          • Exercise
        • Event
    • Docker OS
      • Docker OS Part 1
        • Part 1 : Installation
        • Part 2 : Basic Docker OS and Linux CLI
      • Docker OS Part 2
        • Part 1 : Docker communication
        • Part 2 : Docker compose
      • Application Gstreamer on devcontainer
        • STEP 1 : Setting gstreamer environment
        • STEP 2 : Create the Gstreamer element on template
        • STEP 3 : Testing and application on your gst element
  • ðŸĪŸRecommended by AIC
    • Skill Roadmap
      • Embedded Engineer
      • Developer
    • Hardware Programming
    • Embedded Programming
    • General-propose Programming
    • Algorithmica
    • Thai Expert Knowledge
    • RT-Thread University Program
      • Infineon PSoC6
      • Kernel
        • Kernel Basics
        • Thread Management
        • Clock Management
        • Inter-thread synchronization
        • Inter-thread communication
        • Memory Management
        • Interrupt Management
        • Kernel porting
        • Atomic Operations
        • RT-Thread SMP
        • Kernel API Changelog
      • Tools
      • Devices & Drivers
        • SENSOR Devices
        • Touch Equipment
        • CRYPTO Devices
        • AUDIO Devices
        • Pulse Encoder Devices
      • Components
        • C Library (libc)
        • ISO/ANSI C Standard
        • POSIX Standard
          • FILE (File IO)
          • Pthread
          • Timer
          • IPC Semaphore
          • IPC Message Queues
          • Dynamic Modules
        • Network Components
          • FinSH Console
          • FAL: Flash Abstraction Layer
          • Virtual File System
          • tmpfs: temporary file system
          • ulog log
          • utest testing framework
          • Power Management
          • RT-Link
        • Software Packages
          • Internet of Things
            • MQTT-umqtt
            • Telnet
          • Tools
            • SystemView
            • SEGGER_RTT
          • LVGL Manual
            • Touch Screen Driver
      • Demo
        • Infineon Gateway
        • Handwriting Recognition (MNIST)
        • Object Detection (Darknet)
        • ROS using RT-Thread
        • Control the car using RT-Thread
        • LiDAR via RT-Thread
        • Detection via RT-Thread and ROS
        • Sensor Driver Development Guide
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Assoc. Prof. Wiroon Sriborrirux, Founder of Advance Innovation Center (AIC) and Bangsaen Design House (BDH), Electrical Engineering Department, Faculty of Engineering, Burapha University

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  1. Operation Systems
  2. Zero to Linux Hero
  3. Anatomy of Embedded Linux

Embedded Linux

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āļĢāļ°āļšāļšāļ›āļāļīāļšāļąāļ•āļīāļāļēāļĢāļĨāļĩāļ™āļļāļāļ‹āđŒāļ—āļĩāđˆāļ–āļđāļāļāļąāļ‡āđ€āļ‚āđ‰āļēāđ„āļ›āļ­āļĒāļđāđˆāđƒāļ™āļšāļ­āļĢāđŒāļ”āļŠāļĄāļ­āļ‡āļāļĨāļˆāļ°āļ–āļđāļāđ€āļĢāļĩāļĒāļāļ§āđˆāļē āļĢāļ°āļšāļšāļ›āļāļīāļšāļąāļ•āļīāļāļēāļĢāļĨāļĩāļ™āļļāļāļ‹āđŒāđāļšāļšāļāļąāļ‡āļ•āļąāļ§ (Embedding Linux) āļ‹āļķāđˆāļ‡āđ€āļ›āđ‡āļ™āļĢāļ°āļšāļšāļ—āļĩāđˆāļ–āļđāļāļ›āļĢāļąāļšāđāļ•āđˆāļ‡āđ€āļ„āļ­āļĢāđŒāđ€āļ™āļĨāđāļĨāļ°āđ‚āļ›āļĢāđāļāļĢāļĄāļĢāļ°āļšāļšāđƒāļŦāđ‰āļŠāļēāļĄāļēāļĢāļ–āļ—āļģāļ‡āļēāļ™āđ„āļ”āđ‰āļšāļ™āļŠāļ–āļēāļ›āļąāļ•āļĒāļāļĢāļĢāļĄāļ‚āļ­āļ‡āļŦāļ™āđˆāļ§āļĒāļ›āļĢāļ°āļĄāļ§āļĨāļœāļĨāļāļĨāļēāļ‡āļ‚āļ­āļ‡āļšāļ­āļĢāđŒāļ”āļ™āļąāđ‰āļ™āđ† āļ‹āļķāđˆāļ‡āđ€āļĢāļĩāļĒāļāļ§āļīāļ˜āļĩāļāļēāļĢāļ™āļĩāđ‰āđ€āļ›āđ‡āļ™āļ—āļąāļšāļĻāļąāļžāļ—āđŒāļ āļēāļĐāļēāļ­āļąāļ‡āļāļĪāļĐāļ§āđˆāļēāļāļēāļĢ â€œPorting” āļ™āļ­āļāļˆāļēāļāļ™āļąāđ‰āļ™āđƒāļ™āļ›āļąāļˆāļˆāļļāļšāļąāļ™āļāđ‡āļĄāļĩāļšāļĢāļīāļĐāļąāļ—āļˆāļģāļ™āļ§āļ™āļĄāļēāļāļ—āļĩāđˆāļ‚āļēāļĒāļœāļĨāļīāļ•āļ āļąāļ“āļ‘āđŒāļ—āļĩāđˆāļĄāļĩāļĢāļ°āļšāļšāļ›āļāļīāļšāļąāļ•āļīāļāļēāļĢāļĨāļĩāļ™āļļāļāļ‹āđŒāđāļšāļšāļāļąāļ‡āļ•āļąāļ§āļ­āļĒāļđāđˆāļ āļēāļĒāđƒāļ™ āđāļĨāļ°āļāđ‡āļĒāļąāļ‡āļĄāļĩāļ­āļĩāļāļŦāļĨāļēāļĒāļāļĨāļļāđˆāļĄāļšāļĢāļīāļĐāļąāļ—āļ—āļĩāđˆāļ—āļģāļ˜āļļāļĢāļāļīāļˆāđ€āļāļĩāđˆāļĒāļ§āļāļąāļšāļāļēāļĢāđƒāļŦāđ‰āļšāļĢāļīāļāļēāļĢāđāļšāļšāļ­āļ‡āļ„āđŒāļĢāļ§āļĄāļ—āļēāļ‡āļ”āđ‰āļēāļ™āļāļēāļĢāļžāļąāļ’āļ™āļēāļĢāļ°āļšāļšāļ›āļāļīāļšāļąāļ•āļīāļāļēāļĢāļĨāļĩāļ™āļļāļāļ‹āđŒāđāļšāļšāļāļąāļ‡āļ•āļąāļ§ āđ„āļĄāđˆāļ§āđˆāļēāļˆāļ°āđ€āļ›āđ‡āļ™āļĨāļĩāļ™āļļāļāļ‹āđŒāļ„āļ­āļĢāđŒāđ€āļ™āļĨāļ—āļĩāđˆāļ–āļđāļāļ›āļĢāļąāļšāđāļ•āđˆāļ‡āļžāļīāđ€āļĻāļĐ āđ€āļ„āļĢāļ·āđˆāļ­āļ‡āļĄāļ·āļ­āļāļēāļĢāļ„āļ­āļĄāđ„āļžāļĨāđŒāļŠāļģāļŦāļĢāļąāļšāļŠāļ–āļēāļ›āļąāļ•āļĒāļāļĢāļĢāļĄāļ•āđˆāļēāļ‡āđ† (Cross-development tools) āđāļĨāļ° āđ„āļĨāļšāļĢāļēāļĢāļĩāļ—āļēāļ‡āļ”āđ‰āļēāļ™āļāļēāļĢāļ—āļģāļ‡āļēāļ™āđāļšāļšāđ€āļ§āļĨāļēāļˆāļĢāļīāļ‡ (Real time extensions) āđ€āļ›āđ‡āļ™āļ•āđ‰āļ™ āļ–āļ·āļ­āđ„āļ”āđ‰āļ§āđˆāļēāļĢāļ°āļšāļšāļ›āļŽāļīāļšāļąāļ•āļīāļāļēāļĢāļĨāļĩāļ™āļļāļāļ‹āđŒāļ™āļąāđ‰āļ™āđ€āļ›āđ‡āļ™āļĢāļ°āļšāļšāļ›āļāļīāļšāļąāļ•āļīāļāļēāļĢāļ—āļĩāđˆāđ€āļŦāļĄāļēāļ°āļŠāļģāļŦāļĢāļąāļšāļāļēāļĢāļ—āļģāļ‡āļēāļ™āļ—āļēāļ‡āļ”āđ‰āļēāļ™āļĢāļ°āļšāļšāļŠāļĄāļ­āļ‡āļāļĨāļāļąāļ‡āļ•āļąāļ§āļĄāļēāļāļ—āļĩāđˆāļŠāļļāļ” āđ€āļ™āļ·āđˆāļ­āļ‡āļˆāļēāļāļĄāļĩāđ‚āļ›āļĢāđāļāļĢāļĄāđ„āļĨāļšāļĢāļēāļĢāļĩāļ•āđˆāļēāļ‡āđ† āļĄāļĩāļŠāļļāļ”āđ€āļ„āļĢāļ·āđˆāļ­āļ‡āļĄāļ·āļ­āđƒāļ™āļāļēāļĢāļžāļąāļ’āļ™āļēāļ—āļĩāđˆāļ„āļĢāļšāļ–āđ‰āļ§āļ™āđ€āļžāļĩāļĒāļ‡āļžāļ­āļŠāļģāļŦāļĢāļąāļšāļĢāļ°āļšāļšāļŠāļĄāļ­āļ‡āļāļĨāļāļąāļ‡āļ•āļąāļ§

āļ­āļ‡āļ„āđŒāļ›āļĢāļ°āļāļ­āļšāļāļēāļĢāđ€āļ•āļĢāļĩāļĒāļĄāļŠāļ āļēāļžāđāļ§āļ”āļĨāđ‰āļ­āļĄāļŠāļģāļŦāļĢāļąāļš Embedded Linux

āļ­āļ‡āļ„āđŒāļ›āļĢāļ°āļāļ­āļšāļ—āļĩāđˆāļ™āļąāļāļžāļąāļ’āļ™āļēāļŦāļĢāļ·āļ­āļœāļđāđ‰āļŠāļ™āđƒāļˆāļ”āđ‰āļēāļ™āđ€āļ—āļ„āđ‚āļ™āđ‚āļĨāļĒāļĩāļĢāļ°āļšāļšāļŠāļĄāļ­āļ‡āļāļĨāļāļąāļ‡āļ•āļąāļ§āļ„āļ§āļĢāļ—āļģāļ„āļ§āļēāļĄāđ€āļ‚āđ‰āļēāđƒāļˆāļ”āļąāļ‡āđāļŠāļ”āļ‡āđƒāļ™āļ•āļēāļĢāļēāļ‡āļ‚āđ‰āļēāļ‡āļĨāđˆāļēāļ‡

āļ•āļēāļĢāļēāļ‡āļ­āļ‡āļ„āđŒāļ›āļĢāļ°āļāļ­āļšāļŠāļģāļ„āļąāļāļžāļ·āđ‰āļ™āļāļēāļ™āđƒāļ™āļāļēāļĢāđ€āļ•āļĢāļĩāļĒāļĄāļŠāļģāļŦāļĢāļąāļšāļšāļ­āļĢāđŒāļ”āļŠāļĄāļ­āļ‡āļāļĨāļāļąāļ‡āļ•āļąāļ§

āļ­āļ‡āļ„āđŒāļ›āļĢāļ°āļāļ­āļš
āļĢāļēāļĒāļĨāļ°āđ€āļ­āļĩāļĒāļ”

BSP (Board Support Package)

āļ āļēāļĒāđƒāļ™āļšāļĢāļĢāļˆāļļāļ•āļąāļ§ bootloader āđāļĨāļ° Kernel āļ—āļĩāđˆāļĢāļ­āļ‡āļĢāļąāļšāđāļĨāļ°āđ€āļ‚āđ‰āļēāļāļąāļ™āđ„āļ”āđ‰āļāļąāļšāļĢāļļāđˆāļ™āļ‚āļ­āļ‡āļŪāļēāļĢāđŒāļ”āđāļ§āļĢāđŒāļ—āļĩāđˆāđƒāļŠāđ‰āđƒāļ™āļšāļ­āļĢāđŒāļ”āļŠāļĄāļ­āļ‡āļāļĨāļāļąāļ‡āļ•āļąāļ§āļ—āļĩāđˆāđ€āļĨāļ·āļ­āļāđƒāļŠāđ‰

Cross Toolchains

āđ€āļ„āļĢāļ·āđˆāļ­āļ‡āļĄāļ·āļ­āļžāļąāļ’āļ™āļēāļ—āļĩāđˆāļŠāļēāļĄāļēāļĢāļ–āđāļ›āļĨāļ‡āļĢāļŦāļąāļŠāđ€āļžāļ·āđˆāļ­āđƒāļŦāđ‰āļ—āļģāļ‡āļēāļ™āļ‚āđ‰āļēāļĄāđāļžāļĨāļ•āļŸāļ­āļĢāđŒāļĄāđ„āļ”āđ‰

Third-party components

āđ„āļĨāļšāļĢāļēāļĢāļĩāļ•āđˆāļēāļ‡āđ† āđāļĨāļ°āđ‚āļ›āļĢāđāļāļĢāļĄāļžāļīāđ€āļĻāļĐāļˆāļēāļāļ™āļąāļāļžāļąāļ’āļ™āļēāļ āļēāļĒāļ™āļ­āļ āļ‹āļķāđˆāļ‡āļ­āļēāļˆāļˆāļ°āļĄāļĩāļĨāļīāļ‚āļŠāļīāļ—āļ˜āļīāđŒāļāļēāļĢāđƒāļŠāđ‰āļ‡āļēāļ™ āđ€āļŠāđˆāļ™ GPLv3, Apache, MIT āđ€āļ›āđ‡āļ™āļ•āđ‰āļ™

Hardware āđāļĨāļ° Accessories

- āđ€āļ„āļĢāļ·āđˆāļ­āļ‡ Host āļ„āļ·āļ­ āđ€āļ„āļĢāļ·āđˆāļ­āļ‡āļ„āļ­āļĄāļžāļīāļ§āđ€āļ•āļ­āļĢāđŒāļ—āļĩāđˆāļ•āļīāļ”āļ•āļąāđ‰āļ‡āļĢāļ°āļšāļšāļ›āļāļīāļšāļąāļ•āļīāļāļēāļĢāļĨāļĩāļ™āļļāļāļ‹āđŒ āļŠāļģāļŦāļĢāļąāļšāļ›āļĢāļąāļšāđāļ•āđˆāļ‡āļĨāļĩāļ™āļļāļāļ‹āđŒāļ„āļ­āļĢāđŒāđ€āļ™āļĨāđāļĨāļ°āļ„āļ­āļĄāđ„āļžāļĨāđŒāđ‚āļ›āļĢāđāļāļĢāļĄāļ•āđˆāļēāļ‡āđ†āļŠāļģāļŦāļĢāļąāļšāļšāļ­āļĢāđŒāļ” target

- āđ€āļ„āļĢāļ·āđˆāļ­āļ‡ Target āļ„āļ·āļ­ āļšāļ­āļĢāđŒāļ”āļŠāļĄāļ­āļ‡āļāļĨāļāļąāļ‡āļ•āļąāļ§ āđ€āļŠāđˆāļ™ Beagleboard, Versatile Express, Pandaboard, ODROID, FriendlyARM āđ€āļ›āđ‡āļ™āļ•āđ‰āļ™

- āļŠāļēāļĒ Cable āļ•āđˆāļēāļ‡āđ† āđ€āļŠāđˆāļ™ LAN Cable, Serial Cable, USB-to-Serial āđ€āļ›āđ‡āļ™āļ•āđ‰āļ™

- MMC/SD Card

āļŠāļģāļŦāļĢāļąāļšāļ‚āļąāđ‰āļ™āļ•āļ­āļ™āļŠāļģāļ„āļąāļāļ‚āļ­āļ‡āļāļēāļĢāļžāļąāļ’āļ™āļēāļĢāļ°āļšāļšāļŠāļĄāļ­āļ‡āļāļĨāļāļąāļ‡āļ•āļąāļ§āļ™āļąāđ‰āļ™ āļŠāļēāļĄāļēāļĢāļ–āđāļšāđˆāļ‡āļ­āļ­āļāđ„āļ”āđ‰āđ€āļ›āđ‡āļ™ 4 āļŠāđˆāļ§āļ™āļŦāļĨāļąāļāļ„āļ·āļ­

āđ€āļ™āļ·āđˆāļ­āļ‡āļˆāļēāļāļšāļ­āļĢāđŒāļ”āļŠāļĄāļ­āļ‡āļāļĨāļāļąāļ‡āļ•āļąāļ§āļˆāļģāđ€āļ›āđ‡āļ™āļ•āđ‰āļ­āļ‡āļĄāļĩ bootloader āļ—āļĩāđˆāļĄāļĩāļāļēāļĢāļ•āļąāđ‰āļ‡āļ„āđˆāļēāđ€āļāļĩāđˆāļĒāļ§āļāļąāļšāļ•āļģāđāļŦāļ™āđˆāļ‡āļ‚āļ­āļ‡ Kernel Image, root file system āđāļĨāļ°āļ„āđˆāļēāļžāļēāļĢāļēāļĄāļīāđ€āļ•āļ­āļĢāđŒāļ—āļĩāđˆāļˆāļģāđ€āļ›āđ‡āļ™ āđ€āļžāļ·āđˆāļ­āđƒāļŦāđ‰āļšāļ­āļĢāđŒāļ”āļŠāļēāļĄāļēāļĢāļ–āļšāļđāļ—āđ€āļ‚āđ‰āļēāļŠāļđāđˆāļĢāļ°āļšāļšāļ›āļāļīāļšāļąāļ•āļīāļāļēāļĢāļĨāļĩāļ™āļļāļāļ‹āđŒāđāļšāļšāļāļąāļ‡āļ•āļąāļ§āđ„āļ”āđ‰āļŠāļĄāļšāļđāļĢāļ“āđŒāđāļšāļš āļ‹āļķāđˆāļ‡āļ–āđ‰āļēāļšāļ­āļĢāđŒāļ”āđ€āļŠāļ·āđˆāļ­āļĄāļ•āđˆāļ­āļ­āļĒāļđāđˆāļāļąāļš Ethernet LAN āļāđ‡āļŠāļēāļĄāļēāļĢāļ–āđ€āļ‚āđ‰āļēāļŠāļđāđˆāļĢāļ°āļšāļšāļœāđˆāļēāļ™ telnet āļŦāļĢāļ·āļ­ ssh āđ€āļ‚āđ‰āļēāđ„āļ›āđ„āļ”āđ‰ āđāļ•āđˆāļ­āļĒāđˆāļēāļ‡āđ„āļĢāļāđ‡āļ•āļēāļĄāđƒāļ™āļĢāļ°āļŦāļ§āđˆāļēāļ‡āļāļēāļĢāļžāļąāļ’āļ™āļēāļ„āļ§āļĢāđƒāļŠāđ‰ serial console āđ€āļžāļ·āđˆāļ­āđƒāļŠāđ‰āļŠāļģāļĢāļ­āļ‡āļāļēāļĢāđ€āļŠāļ·āđˆāļ­āļĄāļ•āđˆāļ­āđƒāļ™āļāļĢāļ“āļĩāđ„āļĄāđˆāļŠāļēāļĄāļēāļĢāļ–āļ•āđˆāļ­ LAN āđ„āļ”āđ‰

āđ€āļ™āļ·āđˆāļ­āļ‡āļˆāļēāļāļšāļ­āļĢāđŒāļ”āļŠāļĄāļ­āļ‡āļāļĨāļāļąāļ‡āļ•āļąāļ§āļŠāđˆāļ§āļ™āđƒāļŦāļāđˆāļ–āļķāļ‡āđāļĄāđ‰āļˆāļ°āļĄāļĩāļ›āļĢāļ°āļŠāļīāļ—āļ˜āļīāļ āļēāļžāļŠāļđāļ‡āđāļ•āđˆāļāđ‡āđ„āļĄāđˆāļŠāļēāļĄāļēāļĢāļ–āđƒāļŠāđ‰āļ„āļ­āļĄāđ„āļžāļĨāđŒ Kernel āđ„āļ”āđ‰āļ”āđ‰āļ§āļĒāļ‚āđ‰āļ­āļˆāļģāļāļąāļ”āļ‚āļ­āļ‡āļ—āļĢāļąāļžāļĒāļēāļāļĢāļ āļēāļĒāđƒāļ™ āđ€āļŠāđˆāļ™ āļŦāļ™āđˆāļ§āļĒāļ„āļ§āļēāļĄāļˆāļģ āļžāļĨāļąāļ‡āļ‡āļēāļ™āļ—āļĩāđˆāļˆāļģāļāļąāļ” āļ”āļąāļ‡āļ™āļąāđ‰āļ™āļ‡āļēāļ™āđ€āļŦāļĨāđˆāļēāļ™āļĩāđ‰āļ—āļąāđ‰āļ‡āļŦāļĄāļ”āļˆāļ°āļ—āļģāļ­āļĒāļđāđˆāļšāļ™āđ€āļ„āļĢāļ·āđˆāļ­āļ‡ Host āļāđˆāļ­āļ™āļˆāļ° Porting āđ€āļ‚āđ‰āļēāļšāļ­āļĢāđŒāļ”āļŠāļĄāļ­āļ‡āļāļĨāļāļąāļ‡āļ•āļąāļ§

āļ āļēāļĒāđƒāļ™ root file system āļˆāļ°āļšāļĢāļĢāļˆāļļāđ‚āļ›āļĢāđāļāļĢāļĄāļ‚āļ­āļ‡āļĢāļ°āļšāļšāđāļĨāļ°āđ‚āļ›āļĢāđāļāļĢāļĄāļŠāļģāļŦāļĢāļąāļšāļœāļđāđ‰āđƒāļŠāđ‰āļ—āļĩāđˆāļŠāļēāļĄāļēāļĢāļ–āļ—āļģāļ‡āļēāļ™āļāļąāļšāđ€āļ„āļ­āļĢāđŒāđ€āļ™āļĨāđāļĨāļ°āļŠāļ–āļēāļ›āļąāļ•āļĒāļāļĢāļĢāļĄāļ™āļąāđ‰āļ™āđ†āđ„āļ”āđ‰ āļ–āđ‰āļēāļ›āļĢāļēāļĻāļˆāļēāļ root file system āđāļĨāđ‰āļ§āļˆāļ°āđ€āļāļīāļ”āđ€āļŦāļ•āļļāļāļēāļĢāļ“āđŒāđāļŠāļ”āļ‡āļ‚āđ‰āļ­āļ„āļ§āļēāļĄāļ”āļąāļ‡āļ™āļĩāđ‰ “Kernel panic” āđāļĨāļ°āļŦāļĒāļļāļ”āļ—āļģāļ‡āļēāļ™āđƒāļ™āļ—āļĩāđˆāļŠāļļāļ” āļ‹āļķāđˆāļ‡āļ•āļģāđāļŦāļ™āđˆāļ‡āļāļēāļĢāļ§āļēāļ‡ root file system āļ™āļąāđ‰āļ™āļĄāļĩāļ­āļĒāļđāđˆāļ­āļĒāđˆāļēāļ‡āļ™āđ‰āļ­āļĒ 2 āđāļšāļšāļ„āļ·āļ­āđ€āļāđ‡āļšāđ„āļ§āđ‰āđƒāļ™ Flash Storage āđ€āļŠāđˆāļ™ MMC, SDCard āđāļĨāļ°āđ€āļāđ‡āļšāđ„āļ§āđ‰āđƒāļ™āļĢāļ°āļšāļšāđ€āļ„āļĢāļ·āļ­āļ‚āđˆāļēāļĒāđ€āļŠāđˆāļ™ NFS

āđ€āļ™āļ·āđˆāļ­āļ‡āļˆāļēāļāļšāļ­āļĢāđŒāļ”āļŠāļĄāļ­āļ‡āļāļĨāļāļąāļ‡āļ•āļąāļ§āđ„āļĄāđˆāļŠāļēāļĄāļēāļĢāļ–āļ„āļ­āļĄāđ„āļžāļĨāđŒ Kernel āļ”āđ‰āļ§āļĒāļ•āļąāļ§āđ€āļ­āļ‡āđ„āļ”āđ‰ āļˆāļķāļ‡āļˆāļģāđ€āļ›āđ‡āļ™āļ•āđ‰āļ­āļ‡āļ—āļģāļ­āļĒāļđāđˆāļšāļ™āđ€āļ„āļĢāļ·āđˆāļ­āļ‡ Host āđ„āļĄāđˆāļ§āđˆāļēāļˆāļ°āđ€āļ›āđ‡āļ™āļāļēāļĢāļ„āļ­āļĄāđ„āļžāļĨāđŒāđ‚āļ›āļĢāđāļāļĢāļĄāļ”āđ‰āļ§āļĒāđ€āļ„āļĢāļ·āđˆāļ­āļ‡āļĄāļ·āļ­āđƒāļ™āļāļēāļĢāļ„āļ­āļĄāđ„āļžāļĨāđŒāļ—āļĩāđˆāđ€āļĢāļĩāļĒāļāļāļąāļ™āļ§āđˆāļē Cross Toolchain āļŦāļĢāļ·āļ­āļāļēāļĢāļ”āļĩāļšāļąāļāđ‚āļ›āļĢāđāļāļĢāļĄāļ—āļĩāđˆāļāļģāļĨāļąāļ‡āļ—āļģāļ‡āļēāļ™āļšāļ™āļšāļ­āļĢāđŒāļ”āļŠāļĄāļ­āļ‡āļāļĨāļāļąāļ‡āļ•āļąāļ§āļ”āđ‰āļ§āļĒ gdb āđ€āļ›āđ‡āļ™āļ•āđ‰āļ™

āđ‚āļ„āļĢāļ‡āļŠāļĢāđ‰āļēāļ‡āļŠāļ–āļēāļ›āļąāļ•āļĒāļāļĢāļĢāļĄāļ‚āļ­āļ‡āļĢāļ°āļšāļšāļ›āļāļīāļšāļąāļ•āļīāļāļēāļĢāļĨāļĩāļ™āļļāļāļ‹āđŒāđāļšāļšāļāļąāļ‡āļ•āļąāļ§ āļˆāļ°āđ„āļĄāđˆāđāļ•āļāļ•āđˆāļēāļ‡āļĄāļēāļāđ€āļĄāļ·āđˆāļ­āđ€āļ—āļĩāļĒāļšāļāļąāļš āļ”āļąāļ‡āđāļŠāļ”āļ‡āđƒāļ™āļĢāļđāļ›āļ‚āđ‰āļēāļ‡āļĨāđˆāļēāļ‡

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