leads 0.1.14

Lightweight Embedded Assisted Driving System

LEADS: Lightweight Embedded Assisted Driving System

LEADS is a system designed for VeC.

LEADS only supports two drive-wheel configurations: single rear wheel (SRW) mode and dual rear wheel (DRW) mode.

Python is generally not the best choice for writing embedded systems. We made this decision for the following reasons.

• Data analysis
• Short development cycle
• Official support for Raspberry Pi
• Low difficulty in getting started for team members

This project aims to implement the following functions:

• A basic instrumentation system
• A basic communication system
• A basic control system
• A data recording system with the following components
  • A speed recording system
  • A G force recording system
  • A GPS recording system
  • A battery voltage recording system
• A control system with the following components
  • DTCS (Dynamic Traction Control System)
  • ABS (Anti-lock Braking System)
  • EBI (Emergency Braking Intervention)
  • ATBS (Automatic Trail Braking System)

Installation

Note that LEADS requires Python >= 3.11.

pip install pysimplegui keyboard pyserial leads

numpy will be automatically installed with leads.

pysimplegui, keyboard, and pyserial are optional.

If you need only the skeleton, run the following.

pip install leads

Verify

python -m leads_vec info

Quickstart

Main

python -m leads_vec run

Optional Arguments

Run the following to get a list of all the supported arguments.

python -m leads_vec -h

Specify a Configuration File

python -m leads_vec -c path/to/the/config/file run

If not specified, all configurations will be default values.

To learn about the configuration file, read Configurations.

Generate a Configuration File

python -m leads_vec -r config run

This will generate a default config.json file under the current directory.

Register as a Systemd Service

python -m leads_vec -r systemd run

This will register a system service to start the program.

To enable auto-start at boot, run the following.

systemctl daemon-reload
systemctl enable leads

Configurations

	Type	Usage	Used By	Default
srw_mode	bool	True: single rear wheel; False: dual rear wheel	Main, Remote	True
width	int	Window width	Main	720
height	int	Window height	Main	480
fullscreen	bool	True: auto maximize; False: window mode	Main	False
no_title_bar	bool	True: no title bar; False: default title bar	Main	False
refresh_rate	int	GUI frame per second	Main	30
font_size_small	int	Small font size	Main	8
font_size_medium	int	Medium font size	Main	16
font_size_large	int	Large font size	Main	32
font_size_x_large	int	Extra large font size	Main	48
scaling_factor	float	A factor used to scale every component	Main	1
comm_addr	str	Communication server address	Main	"127.0.0.1"
comm_port	int	The port on which the communication system runs on	Main, Remote	16900
data_dir	str	The directory for the data recording system	Remote	"./data"

Periodic Report

See reports.

Collaborations

Community

Issues

Our team management completely relies on GitHub. Tasks are published and assigned as issues. You will be notified if you are assigned to certain tasks. However, you may also join other discussions for which you are not responsible.

There are a few labels that classify the issues.

• bug reports a bug
• code review discusses a code review or comment
• documentation suggests a documentation enhancement
• duplicate marks that a similar issue has been raised
• enhancement proposes a new feature or request
• help wanted means that extra attention is needed to this issue
• invalid marks that the issue is in valid format
• question requests further information
• report starts a periodic report discussion
• todo creates a new task
• wontfix marks that the issue is ignored

Label your issue with at least one of the labels above before you submit.

Projects

You can have a look at the whole schedule of each project in a timeline using the projects feature.

Code Contributions

Please fork the project into your repository. Before your pull request, make sure that you have tested all possible impacts on other parts of the project. If no certainty is assured, please reach out to our core team members to have official support.

Code Specifications

All code must be type-annotated and follow the Code Style Guide.