This is a small decoder utility to parse Zero Motorcycle main bike board (MBB) and battery management system (BMS) logs.
- It is designed to emulate Zero Motorcycles' own official log parser, that turns the binary-encoded event log into a mostly-readable text file.
- If you send a log to Zero Customer Support, they should provide you with a text file in response. (Often, a phone call prompts them to process the log file)
- If you run this script, and the script does not parse some entries correctly, we can upgrade the log parser to handle them if we have a copy of Zero's official log. So try to provide us with examples like this to help the development of the parser.
You can extract logs from the bike using the Zero mobile app:
- Download the Zero mobile app.
- Pair your motorcycle with it via bluetooth.
- Once the pairing is working, select
Support>Email bike logs. - Enter your email address into the
To:line to send the logs to yourself rather than / in addition to Zero Motorcycles support. - Open the email and download the attachment.
You'll need to install Python 3 somehow from https://www.python.org/downloads/
$ python3 zero_log_parser.py <logfile.bin> [-o output_file]
If you want to run using Docker, there's only two steps: build, then run.
docker build . -t "zero-log-parser"
To explain:
docker build
Build a new Docker image
.
Use a Dockerfile in the current directory ("/.")
-t "zero-log-parser"
Tag it as "zero-log-parser"
We will change directory to where the logs are, then run the tool against a log.
cd ~/zero-logs
docker run --rm -v "$PWD:/root" zero-log-parser /root/VIN_BMS0_2019-04-20.bin -o /root/VIN_BMS0_2019-04-20.txt
To explain:
cd ~/zero-logs
Go to the directory where the logs are stored. Change this to the correct directory for you
docker run
Run a Docker image as a container
--rm
Don't keep the image when it exits
-v "$PWD:/root"
Mount the current working directory as a volume inside the container at
/root
zero-log-parser
What Docker image to run
/root/VIN_BMS0_2019-04-20.bin
Name of the binary file. You can get this by doing an
lsafter thecdbefore this command. Make sure to add/root/before it since the path in the container is different
-o /root/VIN_BMS0_2019-04-20.txt
Save the decoded log file as
VIN_BMS0_2019-04-20.txtin/root, which will save it in the current working directory outside of the container
Basic log documentation is at log_structure.md.
If you want to debug the script and contribute, it's helpful to be able to run the tests. These currently look at a suite of log files and just run the parser to look for errors.
$ python3 setup.py develop
$ python3 test.py <directory of log files>
Originally developed at https://github.com/KimBurgess/zero-log-parser
- Kim Burgess - Initial Work, Inactive - @KimBurgess
- Brian Rice - Maintainer - @BrianTRice
- Keith Thomas - Contributor - @keithxemi
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