DES Project - Instrument Cluster

PiRacer instrument cluster Qt application running on RPi and receiving speed data from a speed sensor via CAN

Project Intro

Architecture

Equipment

Raspberry Pi 4B

• Raspberry Pi OS Lite 64bit (Linux 6.1 kernel)
• 2-Channel CAN-BUS(FD) Shield for Raspberry Pi (MCP2518FD)
• 7.9inch DSI LCD (400 x 1280, 60Hz)
• PiRacer AI Kit (PiRacer Standard)
• Joystick

Arduino UNO

• CAN-BUS Shield V2.0 (MCP2515)
• Speed Sensor (LM393)

Technology

• SSH (Secure Shell Protocol)
• I2C (Inter-Integrated Circuit)
• SPI (Serial Peripheral Interface)
• CAN bus communication (Controller Area Network)
• D-Bus as IPC (Inter Process Communication)

Language

• C++
• Python3
• QML
• Arduino Sketch
• Shell Script

Tool

• Qt Creator (with qmake)
• Qt Designer
• Arduino IDE
• Raspberry Pi Imager
• Visual Studio Code
• draw.io

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Table of Contents

0. Presentation

1. Hardware Settings

2. Cross Compile

3. Display

4. Qt Creator Configuration

5. CAN Communication with CAN-HAT

6. Get Sensor Data

7. Dbus

8. Connect CPP to QML

9. GUI (QML)

10. Exception Handling

11. StartUp Shell Script