CAN Log Analyzer

A web-based tool for analyzing CAN log files using NiceGui, Plotly, and cantools.

Features

• Upload and parse CAN log files (.asc, .blf)
• Load CAN database files (.dbc)
• Visualize and plot selected CAN signals interactively
• User-friendly web interface with sidebar controls
• Interactive signal selection and customizable plots (scatter, line, heatmap)
• Grid and axis customization for detailed analysis

Notes

• Ensure you are using Python >= 3.10 as specified in the project requirements.
• Only .dbc files are supported for CAN database input.

Usage - Web App

To start the web application, run:

python -m can_log_analyzer.run_web_app

• The app will launch in your default web browser at http://localhost:8501 (unless otherwise configured).
• Use the sidebar to upload your CAN log files (.asc, .blf) and CAN database files (.dbc).
• Select channels, messages, and signals to visualize.
• Choose plot type and customize grid/axis options as needed.
• Interactive plots and analysis will be available after loading your files.

source manual