CANOpen Monitor

An NCurses-based TUI application for tracking activity over the CAN bus and decoding messages with provided EDS/OD files.

Quick Start

Install

$ pip install canopen-monitor

Run

Run the monitor, binding to can0

$ canopen-monitor -i can0

Use this for an extensive help menu

$ canopen-monitor --help

Configuration

The default configurations provided by CANOpen Monitor can be found in canopen_monitor/assets. These are the default assets provided. At runtime these configs are copied to ~/.config/canopen-monitor where they can be modified and the changes will persist.

EDS files are loaded from ~/.cache/canopen-monitor

Development and Contribution

Documentation

Check out our Read The Docs pages for more info on the application sub-components and methods.

Pre-Requisites

Linux 4.11 or greater (any distribution)
Python 3.8.5 or higher (pyenv is recommended for managing different python versions, see pyenv homepage for information)

Install Locally

Setup a virtual CAN signal generator

$ sudo apt-get install can-utils

Start a virtual CAN

$ sudo ip link add dev vcan0 type vcan

$ sudo ip link set up vcan0

Clone the repo

$ git clone https://github.com/Boneill3/CANopen-monitor.git

$ cd CANopen-monitor

$ pip install -e .[dev]

(Note: the -e flag creates a symbolic-link to your local development version. Set it once, and forget it)

Generate random messages with socketcan-dev

$ chmod 700 socketcan-dev

$ ./socketcan-dev.py --random-id --random-message -r

Start the monitor

$ canopen-monitor

Create documentation locally

$ make -C docs clean html

(Note: documentation is configured to auto-build with ReadTheDocs on every push to master)

Message Types + COB ID Ranges:

Wikipedia Table

Abridged Table:

Name	COB ID Range
SYNC	080
EMCY	080 + NodeID
TPDO1	180 + NodeID
RPDO1	200 + NodeID
TPDO2	280 + NodeID
RPDO2	300 + NodeID
TPDO3	380 + NodeID
RPDO3	400 + NodeID
TPDO4	480 + NodeID
RPDO4	500 + NodeID
TSDO	580 + NodeID
RSDO	600 + NodeID
NMT (Heartbeat)	700 + NodeID

License

oresat/CANopen-monitor

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