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  • ⌚Embedded Systems Development
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    • 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
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            • āļ•āļąāļ§āļ­āļĒāđˆāļēāļ‡āļāļēāļĢāļ•āļąāđ‰āļ‡āļ„āđˆāļēāđƒāļŠāđ‰ Oscilloscope-NI ELVISmx
          • āļ•āļīāļ”āļ•āļąāđ‰āļ‡āđ‚āļ›āļĢāđāļāļĢāļĄ KingstVIS
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      • 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
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        • Lab 1: Programming and cross complier
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        • STEP 1 : Setting gstreamer environment
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  • ðŸĪŸRecommended by AIC
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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. Special Topics
  2. CrowPi Dev Kit
  3. Hardware and Interfaces Usage CLI

LAB: Scan I2C bus via CLI

PreviousLAB: Usage GPIO via CLINextPython library for Crow Pi

Last updated 1 year ago

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Usage I2C via CLI

āđ‚āļ”āļĒāļ›āļāļ•āļī Raspberry Pi OS āļˆāļ°āđ€āļ›āļīāļ” interface āļ‚āļ­āļ‡ I2C āđ„āļ§āđ‰āļ­āļĒāļđāđˆāđāļĨāđ‰āļ§ āđāļ•āđˆāđ€āļžāļ·āđˆāļ­āļ„āļ§āļēāļĄāļĄāļąāđˆāļ™āđƒāļˆāđƒāļŦāđ‰āļ—āļģāļāļēāļĢāļ•āļąāđ‰āļ‡āļ„āđˆāļē enable interface I2C āļ­āļĩāļāļ„āļĢāļąāđ‰āļ‡āđ‚āļ”āļĒāđƒāļŠāđ‰ command config āļ”āļąāļ‡āļ™āļĩāđ‰

sudo raspi-config

āđ„āļ›āļ—āļĩāđˆ Interface Options > āļāļ” Enter >I2C >āļāļ” Enter >Yes>OK >āļāļ”āļĨāļđāļāļĻāļĢāđ€āļĨāļ·āđˆāļ­āļ™āļĨāļ‡āđ„āļ›āļĒāļąāļ‡āļ„āļģāļ§āđˆāļē Finish āđāļĨāđ‰āļ§āļāļ” Enter

āļ„āļģāļŠāļąāđˆāļ‡: āļŦāļē I2C bus āļ—āļĩāđˆāļĄāļĩāļ—āļąāđ‰āļ‡āļŦāļĄāļ”

i2cdetect -l

āļ„āļģāļŠāļąāđˆāļ‡: scan āļŦāļē address āļ‚āļ­āļ‡āļ­āļļāļ›āļāļĢāļ“āđŒāļ—āļĩāđˆāļ•āđˆāļ­āļ­āļĒāļđāđˆāļāļąāļš I2C bus 1 

i2cdetect -y 1

āļˆāļēāļāļ āļēāļžāļŠāļēāļĄāļēāļĢāļ– scan āļŦāļē address āđ„āļ”āđ‰ 3 āļ•āļąāļ§ āļ„āļ·āļ­ 0x21, 0x5c āđāļĨāļ° 0x70 āļŠāļēāļĄāļēāļĢāļ–āđƒāļŠāđ‰āļ„āļģāļŠāļąāđˆāļ‡ scan āļ™āļĩāđ‰āđƒāļ™āļāļēāļĢāļ•āļĢāļ§āļˆāļŠāļ­āļšāļāļēāļĢāđ€āļŠāļ·āđˆāļ­āļĄāļ•āđˆāļ­āļ­āļļāļ›āļāļĢāļ“āđŒ I2C bus āđ€āļšāļ·āđ‰āļ­āļ‡āļ•āđ‰āļ™āđ„āļ”āđ‰

Date: May 2023

Author: Soontree Jaikhong (AIC-Researcher)

Author: Thanaluk Pranekunakol (AIC-Researcher)

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