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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  • āļ‚āļąāđ‰āļ™āļ•āļ­āļ™āļāļēāļĢāđ€āļ•āļĢāļĩāļĒāļĄāļĢāļ°āļšāļšāļŠāļģāļŦāļĢāļąāļšāļžāļąāļ’āļ™āļēāļšāļ™ Embedded Linux
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  1. Operation Systems
  2. Zero to Linux Hero
  3. Anatomy of Embedded Linux

Host & Target

PreviousEmbedded LinuxNextCross Toolchains

Last updated 1 year ago

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āļ‚āļąāđ‰āļ™āļ•āļ­āļ™āļāļēāļĢāđ€āļ•āļĢāļĩāļĒāļĄāļĢāļ°āļšāļšāļŠāļģāļŦāļĢāļąāļšāļžāļąāļ’āļ™āļēāļšāļ™ Embedded Linux

āđƒāļ™āļāļēāļĢāđ€āļ•āļĢāļĩāļĒāļĄāļĢāļ°āļšāļšāļ™āļąāđ‰āļ™āļˆāļ°āļĄāļĩāļ­āļ‡āļ„āđŒāļ›āļĢāļ°āļāļ­āļšāļŠāļģāļ„āļąāļāļ—āļĩāđˆāļ•āđ‰āļ­āļ‡āđ€āļ•āļĢāļĩāļĒāļĄāđ„āļ§āđ‰āļŠāļģāļŦāļĢāļąāļšāļ•āļīāļ”āļ•āļąāđ‰āļ‡āļĨāļ‡āđ„āļ›āđƒāļ™āđ€āļ„āļĢāļ·āđˆāļ­āļ‡ Host āđāļĨāļ°āļšāļ­āļĢāđŒāļ” Target āļ āļēāļĒāđƒāļ•āđ‰ Embedded Linux āļ‹āļķāđˆāļ‡āļ›āļĢāļ°āļāļ­āļšāđ„āļ›āļ”āđ‰āļ§āļĒ

  1. āļāļēāļĢāđ€āļ•āļĢāļĩāļĒāļĄāđāļĨāļ°āļ•āļīāļ”āļ•āļąāđ‰āļ‡āļŠāļļāļ”āđ€āļ„āļĢāļ·āđˆāļ­āļ‡āļĄāļ·āļ­ Cross-compiling toolchains āđ€āļžāļ·āđˆāļ­āđ„āļ§āđ‰āļŠāļģāļŦāļĢāļąāļšāļ•āļīāļ”āļ•āļąāđ‰āļ‡āđ„āļĨāļšāļĢāļēāļĢāļĩāļ—āļĩāđˆāđ€āļāļĩāđˆāļĒāļ§āļ‚āđ‰āļ­āļ‡ āļŠāļģāļŦāļĢāļąāļšāļāļēāļĢāļ„āļ­āļĄāđ„āļžāļĨāđŒāđ‚āļ„āđ‰āļ”āļ•āđˆāļēāļ‡āđ†āļ—āļĩāđˆāļˆāļ°āļ–āļđāļāđƒāļŠāđ‰āļšāļ™āļšāļ­āļĢāđŒāļ”āļŠāļĄāļ­āļ‡āļāļĨāļāļąāļ‡āļ•āļąāļ§

  2. āļāļēāļĢāđ€āļ•āļĢāļĩāļĒāļĄāđāļĨāļ°āļ•āļīāļ”āļ•āļąāđ‰āļ‡ Bootloader āđ€āļ‚āđ‰āļēāđ„āļ›āđƒāļ™āļšāļ­āļĢāđŒāļ”āļŠāļĄāļ­āļ‡āļāļĨāļāļąāļ‡āļ•āļąāļ§āđ€āļžāļ·āđˆāļ­āđƒāļŦāđ‰āļ–āļđāļāđ€āļĢāļĩāļĒāļāđƒāļŠāđ‰āļ‡āļēāļ™āđƒāļ™āļ„āļĢāļąāđ‰āļ‡āđāļĢāļ āļ•āļąāđ‰āļ‡āđāļ•āđˆāđ€āļĢāļīāđˆāļĄāļˆāđˆāļēāļĒāđ„āļŸāđ€āļĨāļĩāđ‰āļĒāļ‡āđƒāļŦāđ‰āļšāļ­āļĢāđŒāļ” āđ‚āļ”āļĒāļ•āļąāļ§ bootloader āļˆāļ°āđ‚āļŦāļĨāļ”āļ„āđˆāļēāļžāļ·āđ‰āļ™āļāļēāļ™āļ•āđˆāļēāļ‡āđ†āļ—āļĩāđˆāļ•āđ‰āļ­āļ‡āđ€āļĢāļīāđˆāļĄāļ•āđ‰āļ™āļŠāļ–āļēāļ™āļ°āļāļēāļĢāļ—āļģāļ‡āļēāļ™āđƒāļŦāđ‰āļāļąāļšāļŪāļēāļĢāđŒāļ”āđāļ§āļĢāđŒāļ āļēāļĒāđƒāļ™āļšāļ­āļĢāđŒāļ”āđāļĨāđ‰āļ§āļˆāļķāļ‡āļˆāļ°āđ‚āļŦāļĨāļ”āđ€āļ„āļ­āļĢāđŒāđ€āļ™āļĨāđ€āļžāļ·āđˆāļ­āđ€āļĢāļīāđˆāļĄāđ€āļ‚āđ‰āļēāļŠāļđāđˆāļĢāļ°āļšāļšāļ›āļāļīāļšāļąāļ•āļīāļāļēāļĢāļĨāļĩāļ™āļļāļāļ‹āđŒāđāļšāļšāļāļąāļ‡āļ•āļąāļ§ āđ€āļ›āđ‡āļ™āļĨāļģāļ”āļąāļšāļ•āđˆāļ­āđ„āļ›

  3. āļĨāļĩāļ™āļļāļāļ‹āđŒāđ€āļ„āļ­āļĢāđŒāđ€āļ™āļĨ (Linux Kernel) āļ‹āļķāđˆāļ‡āđ€āļ›āđ‡āļ™āđ€āļ„āļ­āļĢāđŒāđ€āļ™āļĨāļ—āļĩāđˆāļ–āļđāļāļ•āļąāđ‰āļ‡āļ„āđˆāļēāđāļĨāļ°āļ›āļĢāļąāļšāđāļ•āđˆāļ‡āđƒāļŦāđ‰āđ€āļŦāļĄāļēāļ°āļŠāļĄāđāļĨāļ°āļŠāļēāļĄāļēāļĢāļ–āļ—āļģāļ‡āļēāļ™āđ€āļ‚āđ‰āļēāļāļąāļ™āđ„āļ”āđ‰āļāļąāļšāļŠāļ–āļēāļ›āļąāļ•āļĒāļāļĢāļĢāļĄāļ āļēāļĒāđƒāļ™āļšāļ­āļĢāđŒāļ”āļŠāļĄāļ­āļ‡āļāļĨāļāļąāļ‡āļ•āļąāļ§āđ‚āļ”āļĒāđ„āļ”āđ‰āļšāļĢāļĢāļˆāļļāļ•āļąāļ§āļˆāļąāļ”āļāļēāļĢāđ‚āļ›āļĢāđ€āļ‹āļŠ āļ•āļąāļ§āļˆāļąāļ”āļāļēāļĢāļŦāļ™āđˆāļ§āļĒāļ„āļ§āļēāļĄāļˆāļģ āļ•āļąāļ§āļˆāļąāļ”āļāļēāļĢāļāļēāļĢāđ€āļŠāļ·āđˆāļ­āļĄāļ•āđˆāļ­āļĢāļ°āļšāļšāđ€āļ„āļĢāļ·āļ­āļ‚āđˆāļēāļĒ device drivers āđāļĨāļ°āļšāļĢāļīāļāļēāļĢāļ•āđˆāļēāļ‡āđ†āļŠāļģāļŦāļĢāļąāļšāđ‚āļ›āļĢāđāļāļĢāļĄāļ›āļĢāļ°āļĒāļļāļāļ•āđŒāļ—āļĩāđˆāļ•āđ‰āļ­āļ‡āļāļēāļĢāđ€āļĢāļĩāļĒāļāđƒāļŠāđ‰āļ‡āļēāļ™

  4. Filesystem āļŦāļĢāļ·āļ­āļ­āļēāļˆāđƒāļŠāđ‰āļ„āļģāļ§āđˆāļē Root file system āļ‹āļķāđˆāļ‡āļ āļēāļĒāđƒāļ™āđ„āļŸāļĨāđŒāļ™āļĩāđ‰āļˆāļ°āļšāļĢāļĢāļˆāļļāđ‚āļ›āļĢāđāļāļĢāļĄāļĢāļ°āļšāļš āđ‚āļ›āļĢāđāļāļĢāļĄāļ›āļĢāļ°āļĒāļļāļāļ•āđŒāļ—āļĩāđˆāļŠāļģāļ„āļąāļāļ•āđˆāļēāļ‡āđ†āđāļĨāļ°āđ‚āļ›āļĢāđāļāļĢāļĄāļ—āļĩāđˆāļ–āļđāļāļžāļąāļ’āļ™āļēāļ‚āļķāđ‰āļ™āļĄāļēāđ€āļ­āļ‡ āļ™āļ­āļāļˆāļēāļāļ™āļąāđ‰āļ™āļāđ‡āļĒāļąāļ‡āļĄāļĩāđ„āļĨāļšāļĢāļēāļĢāļĩāđāļĨāļ°āļ„āļģāļŠāļąāđˆāļ‡āļŠāļ„āļĢāļīāļ›āļ—āđŒāļ—āļĩāđˆāđ€āļ•āļĢāļĩāļĒāļĄāđ„āļ§āđ‰āļŠāļģāļŦāļĢāļąāļšāļāļēāļĢāđ€āļĢāļĩāļĒāļāđƒāļŠāđ‰āļ‡āļēāļ™āļˆāļēāļāđ‚āļ›āļĢāđāļāļĢāļĄāļ›āļĢāļ°āļĒāļļāļāļ•āđŒāļ āļēāļĒāđƒāļ™āļĢāļ°āļšāļšāļ›āļāļīāļšāļąāļ•āļīāļāļēāļĢāļĨāļĩāļ™āļļāļāļ‹āđŒāđāļšāļšāļāļąāļ‡āļ•āļąāļ§āļšāļ™āļšāļ­āļĢāđŒāļ”āļŠāļĄāļ­āļ‡āļāļĨ

āļāļēāļĢāđ€āļ•āļĢāļĩāļĒāļĄāļĢāļ°āļšāļšāđāļĨāļ°āļāļēāļĢāđ€āļŠāļ·āđˆāļ­āļĄāļ•āđˆāļ­āļĢāļ°āļŦāļ§āđˆāļēāļ‡āđ€āļ„āļĢāļ·āđˆāļ­āļ‡ Host āđāļĨāļ° āļšāļ­āļĢāđŒāļ” Target

āļāļēāļĢāđ€āļ•āļĢāļĩāļĒāļĄāļĢāļ°āļšāļšāļŠāļģāļŦāļĢāļąāļšāļāļēāļĢāļžāļąāļ’āļ™āļēāđ‚āļ›āļĢāđāļāļĢāļĄāļŦāļĢāļ·āļ­āļĢāļ°āļšāļšāļ›āļāļīāļšāļąāļ•āļīāļāļēāļĢāļŠāļģāļŦāļĢāļąāļšāļĢāļ°āļšāļšāļŠāļĄāļ­āļ‡āļāļĨāļāļąāļ‡āļ•āļąāļ§āļ™āļąāđ‰āļ™ āļˆāļ°āļ•āđ‰āļ­āļ‡āļĄāļĩāļāļēāļĢāđ€āļ•āļĢāļĩāļĒāļĄāļĢāļ°āļšāļšāļŪāļēāļĢāđŒāļ”āđāļ§āļĢāđŒ āļ‹āļķāđˆāļ‡āļ›āļĢāļ°āļāļ­āļšāđ„āļ›āļ”āđ‰āļ§āļĒāļŪāļēāļĢāđŒāļ”āđāļ§āļĢāđŒ 2 āļŠāđˆāļ§āļ™āļŦāļĨāļąāļāđ†āđ„āļ”āđ‰āđāļāđˆ

  1. āđ€āļ„āļĢāļ·āđˆāļ­āļ‡āļ„āļ­āļĄāļžāļīāļ§āđ€āļ•āļ­āļĢāđŒāļŠāļģāļŦāļĢāļąāļšāļžāļąāļ’āļ™āļēāļŦāļĢāļ·āļ­āđ€āļĢāļĩāļĒāļāļ§āđˆāļēāđ€āļ„āļĢāļ·āđˆāļ­āļ‡ â€œHost” (āļ‹āļķāđˆāļ‡āļāđ‡āđ€āļ›āđ‡āļ™āđ€āļ„āļĢāļ·āđˆāļ­āļ‡āļ„āļ­āļĄāļžāļīāļ§āđ€āļ•āļ­āļĢāđŒāļŠāđˆāļ§āļ™āļšāļļāļ„āļ„āļĨāļ—āļąāđˆāļ§āđ„āļ›)

  2. āļšāļ­āļĢāđŒāļ”āļŠāļĄāļ­āļ‡āļāļĨāļāļąāļ‡āļ•āļąāļ§āļŦāļĢāļ·āļ­āđ€āļĢāļĩāļĒāļāļ§āđˆāļēāļšāļ­āļĢāđŒāļ” â€œTarget”

āļĢāļđāļ›āđāļšāļšāļāļēāļĢāđ€āļŠāļ·āđˆāļ­āļĄāļ•āđˆāļ­āļāļąāļ™āļĢāļ°āļŦāļ§āđˆāļēāļ‡āđ€āļ„āļĢāļ·āđˆāļ­āļ‡ Host āđāļĨāļ°āļšāļ­āļĢāđŒāļ” Target āļ™āļąāđ‰āļ™āļĄāļĩāļ­āļĒāđˆāļēāļ‡āļ™āđ‰āļ­āļĒ 3 āđāļšāļšāļ„āļ·āļ­

  • āļŠāļēāļĒāļ­āļ™āļļāļāļĢāļĄ RS-232 āļŦāļĢāļ·āļ­ USB-to-Serial (Serial Cable) āđ€āļžāļ·āđˆāļ­āđƒāļŦāđ‰āļ™āļąāļāļžāļąāļ’āļ™āļēāļŠāļēāļĄāļēāļĢāļ–āļ”āļđāļĢāļēāļĒāļĨāļ°āđ€āļ­āļĩāļĒāļ”āļāļēāļĢāļšāļđāļ—āļ‚āļ­āļ‡āļšāļ­āļĢāđŒāļ” āđƒāļ™āļ‚āļ“āļ°āļ—āļĩāđˆāđ€āļĢāļīāđˆāļĄāļ•āļĢāļ§āļˆāļŠāļ­āļšāļ„āđˆāļēāđƒāļ™āļĢāļ°āļ”āļąāļš low level āļāļēāļĢāđ‚āļŦāļĨāļ”āļ•āļąāļ§ Kernel āđāļĨāļ°āļāļēāļĢāđ‚āļŦāļĨāļ”āļ•āļąāļ§ root file system āđ€āļĢāļĩāļĒāļāļŦāļ™āđ‰āļēāļˆāļ­āđāļŠāļ”āļ‡āļœāļĨāļ™āļĩāđ‰āļ§āđˆāļē “Console”

  • āļŠāļēāļĒ LAN (Ethernet LAN Cable) āđ€āļžāļ·āđˆāļ­āđƒāļŦāđ‰āļ™āļąāļāļžāļąāļ’āļ™āļēāļŠāļēāļĄāļēāļĢāļ–āļ§āļēāļ‡ Kernel Image āđāļĨāļ° Root file system āđ„āļ§āđ‰āļšāļ™āđ€āļ„āļĢāļ·āđˆāļ­āļ‡āļ āļēāļĒāđƒāļ™āļĢāļ°āļšāļšāđ€āļ„āļĢāļ·āļ­āļ‚āđˆāļēāļĒ āļœāđˆāļēāļ™āđ‚āļ›āļĢāđ‚āļ•āļ„āļ­āļĨ bootp, tftp āļŦāļĢāļ·āļ­ NFS āđ€āļ›āđ‡āļ™āļ•āđ‰āļ™ āđƒāļ™āļāļĢāļ“āļĩāļ—āļĩāđˆāļšāļđāļ—āđ€āļ‚āđ‰āļēāļŠāļđāđˆāļĢāļ°āļšāļšāļ›āļāļīāļšāļąāļ•āļīāļāļēāļĢāļĨāļĩāļ™āļļāļāļ‹āđŒāđāļšāļšāļāļąāļ‡āļ•āļąāļ§ (Embedded Linux) āļ āļēāļĒāđƒāļ™āļšāļ­āļĢāđŒāļ”āđ„āļ”āđ‰āđāļĨāđ‰āļ§ āļ–āđ‰āļēāđ„āļĄāđˆāļ•āđ‰āļ­āļ‡āļāļēāļĢāļ”āļđāļœāđˆāļēāļ™āļŦāļ™āđ‰āļēāļˆāļ­ Console āļāđ‡āļŠāļēāļĄāļēāļĢāļ–āđ€āļ‚āđ‰āđ‰āļēāļŠāļđāđˆāļĢāļ°āļšāļšāđāļšāļšāļĢāļ°āļĒāļ°āđ„āļāļĨ (Remote Login) āļœāđˆāļēāļ™āđ‚āļ›āļĢāđāļāļĢāļĄ telnet āļŦāļĢāļ·āļ­ ssh āđ„āļ”āđ‰āđ€āļŠāđˆāļ™āļāļąāļ™

  • āļŠāļēāļĒ JTAG (JTAG Cable) āđƒāļŠāđ‰āđƒāļ™āļāļĢāļ“āļĩāļ—āļĩāđˆāļ™āļąāļāļžāļąāļ’āļ™āļēāļ•āđ‰āļ­āļ‡āļāļēāļĢāļ”āļĩāļšāļąāļāļāļēāļĢāļ—āļģāļ‡āļēāļ™āļ‚āļ­āļ‡āđ‚āļ›āļĢāđāļāļĢāļĄ āļ„āđˆāļēāļĢāļĩāļˆāļīāļŠāđ€āļ•āļ­āļĢāđŒ āđāļĨāļ°āļĢāļēāļĒāļĨāļ°āđ€āļ­āļĩāļĒāļ”āļ āļēāļĒāđƒāļ™āļŦāļ™āđˆāļ§āļĒāļ„āļ§āļēāļĄāļˆāļģāļ‚āļ­āļ‡āļšāļ­āļĢāđŒāļ”āļŠāļĄāļ­āļ‡āļāļĨ āđ€āļ›āđ‡āļ™āļ•āđ‰āļ™

āļˆāļēāļāļĢāļđāļ›āļ”āđ‰āļēāļ™āļšāļ™āđāļŠāļ”āļ‡āļāļēāļĢāđ€āļŠāļ·āđˆāļ­āļĄāļ•āđˆāļ­āļĢāļ°āļŦāļ§āđˆāļēāļ‡āđ€āļ„āļĢāļ·āđˆāļ­āļ‡ Host āđāļĨāļ°āļšāļ­āļĢāđŒāļ” Target āđ‚āļ”āļĒāļ āļēāļĒāđƒāļ™āđ€āļ„āļĢāļ·āđˆāļ­āļ‡ Host āļˆāļ°āļĄāļĩāļĢāļ°āļšāļšāļ›āļāļīāļšāļąāļ•āļīāļāļēāļĢāļĨāļĩāļ™āļļāļāļ‹āđŒ (āđ€āļŠāđˆāļ™ Ubuntu, Red Hat, Fedora, SuSE āļŦāļĢāļ·āļ­ Debian āđ€āļ›āđ‡āļ™āļ•āđ‰āļ™) āđāļĨāļ°āđ€āļ„āļĢāļ·āđˆāļ­āļ‡āļĄāļ·āļ­āļŦāļĢāļ·āļ­āđ‚āļ›āļĢ āđāļāļĢāļĄāļ­āļąāļ•āļ–āļ›āļĢāļ°āđ‚āļĒāļŠāļ™āđŒ (āđ€āļŠāđˆāļ™ Serial Console Software, Cross Toolchain, Network sharing Software) āļŠāļģāļŦāļĢāļąāļšāļāļēāļĢāļžāļąāļ’āļ™āļēāļĢāļ°āļšāļšāļŠāļĄāļ­āļ‡āļāļĨāļāļąāļ‡āļ•āļąāļ§āļ­āļĒāļđāđˆāļ āļēāļĒāđƒāļ™āđ‚āļ”āļĒāļ–āļđāļāđ€āļŠāļ·āđˆāļ­āļĄāļ•āđˆāļ­āļœāđˆāļēāļ™āļŠāļēāļĒāļ­āļ™āļļāļāļĢāļĄ (RS-232 Cable) āđ€āļĢāļĩāļĒāļšāļĢāđ‰āļ­āļĒāđāļĨāđ‰āļ§ āļ‹āļķāđˆāļ‡āđƒāļ™āļ›āļąāļˆāļˆāļļāļšāļąāļ™āđ€āļ„āļĢāļ·āđˆāļ­āļ‡āļ„āļ­āļĄāļžāļīāļ§āđ€āļ•āļ­āļĢāđŒāļŦāļĢāļ·āļ­āđ‚āļ™āđ‡āļ•āļšāļļāđŠāļ„āļŠāđˆāļ§āļ™āđƒāļŦāļāđˆāļˆāļ°āđ„āļĄāđˆāļĄāļĩāļžāļ­āļĢāđŒāļ•āļ­āļ™āļļāļāļĢāļĄāđƒāļŦāđ‰āļ­āļĩāļāđāļĨāđ‰āļ§ āđāļ•āđˆāļˆāļ°āļĄāļĩāļāļēāļĢāđ€āļ•āļĢāļĩāļĒāļĄāļžāļ­āļĢāđŒāļ• USB āļĄāļēāđƒāļŦāđ‰āđāļ—āļ™ āļ”āļąāļ‡āļ™āļąāđ‰āļ™āļ™āļąāļāļžāļąāļ’āļ™āļēāļˆāļ°āļ•āđ‰āļ­āļ‡āļˆāļąāļ”āļŦāļēāļŠāļēāļĒ USB-to-Serial āļĄāļēāđ€āļžāļīāđˆāļĄāđ€āļ•āļīāļĄāđ€āļžāļ·āđˆāļ­āđƒāļŦāđ‰āļŠāļēāļĄāļēāļĢāļ–āļ•āđˆāļ­āđ€āļ‚āđ‰āļēāļāļąāļšāļšāļ­āļĢāđŒāļ” Target āļĢāļ§āļĄāļ—āļąāđ‰āļ‡āļˆāļ°āļ•āđ‰āļ­āļ‡āđ€āļŠāļ·āđˆāļ­āļĄāļ•āđˆāļ­āļĢāļ°āļšāļšāđ€āļ„āļĢāļ·āļ­āļ‚āđˆāļēāļĒāļ āļēāļĒāđƒāļ™āđ€āļ‚āđ‰āļēāļāļąāļšāļ­āļļāļ›āļāļĢāļ“āđŒāđ€āļ„āļĢāļ·āļ­āļ‚āđˆāļēāļĒāđ€āļŠāđˆāļ™ Ethernet Hub āļŦāļĢāļ·āļ­ Switch Hub

āļāđˆāļ­āļ™āđ€āļĢāļīāđˆāļĄāļšāļđāļ—āļšāļ­āļĢāđŒāļ”āļŠāļĄāļ­āļ‡āļāļĨāļāļąāļ‡āļ•āļąāļ§āđāļĨāļ°āđ€āļŦāđ‡āļ™āļāļēāļĢāđāļŠāļ”āļ‡āļœāļĨāļ•āđˆāļēāļ‡āđ†āļœāđˆāļēāļ™āļŦāļ™āđ‰āļē Serial Console āļšāļ™āđ€āļ„āļĢāļ·āđˆāļ­āļ‡ Host āđ„āļ”āđ‰āļ™āļąāđ‰āļ™āļ™āļąāļāļžāļąāļ’āļ™āļēāļˆāļ°āļ•āđ‰āļ­āļ‡āļĄāļĩāđ‚āļ›āļĢāđāļāļĢāļĄ Serial Console āļ•āļąāļ§āļ­āļĒāđˆāļēāļ‡āđ€āļŠāđˆāļ™āđ‚āļ›āļĢāđāļāļĢāļĄ Minicom, Picocom, Gtkterm, Putty, Cutecom āļ—āļĩāđˆāļŠāļēāļĄāļēāļĢāļ–āļ•āļīāļ”āļ•āđˆāļ­āļāļąāļšāļžāļ­āļĢāđŒāļ•āļ­āļ™āļļāļāļĢāļĄ (Serial Port) āļŦāļĢāļ·āļ­āļžāļ­āļĢāđŒāļ• USB āđ‚āļ”āļĒāļĢāļ°āļšāļšāļ›āļāļīāļšāļąāļ•āļīāļāļēāļĢāļĨāļĩāļ™āļļāļāļ‹āđŒāļˆāļ°āļĄāļ­āļ‡āđ€āļŦāđ‡āļ™āđ€āļ›āđ‡āļ™ /dev/ttySx āļŦāļĢāļ·āļ­ /dev/ttyUSBx āļĒāļāļ•āļąāļ§āļ­āļĒāđˆāļēāļ‡āļāļēāļĢāđƒāļŠāđ‰āđ‚āļ›āļĢāđāļāļĢāļĄ minicom

$ minicom -b 115200 /dev/ttyUSB0
ðŸ–Ĩïļ
āļ­āļ‡āļ„āđŒāļ›āļĢāļ°āļāļ­āļšāļŠāļģāļ„āļąāļāļ āļēāļĒāđƒāļ™āđ€āļ„āļĢāļ·āđˆāļ­āļ‡ Host āđāļĨāļ°āļšāļ­āļĢāđŒāļ” Target
āđāļŠāļ”āļ‡āļāļēāļĢāļ•āđˆāļ­āļŠāļģāļŦāļĢāļąāļšāļāļēāļĢāļžāļąāļ’āļ™āļēāļĢāļ°āļŦāļ§āđˆāļēāļ‡āđ€āļ„āļĢāļ·āđˆāļ­āļ‡ Host āđāļĨāļ°āļšāļ­āļĢāđŒāļ” Target