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DBC

This repo will contain the collection of DBC files used on the BFR/WUFR series of cars.

Repo Structure

The repository will be structured as follows:

DBC
│   README.md
│   Other_Root_Files    
│
└───dbc
│   │   1.2.0.dbc
│   │   1.3.0.dbc
|   |   1.3.0.h
|   |   ...

The root directory can contain any assorted files. The dbc subdirectory should ONLY contain three point versioned dbc and h files, as specified in DBC Versioning

DBC Versioning

DBC files shall follow a modification of the three-point semantic versioning strategy.

model_year.major_version.minor_version.[dbc|h]

i.e.

2019.2.1.dbc
2019.2.1.h
Version Point Explanation
model_year The full numeric competition year of the car
major_version A new major version should be given when there is a breaking change in the file- for instance modifying the packing format of a previously included packet, or a major change, such as a new packet
minor_version A new minor version should be given when there is a non-breaking change in the file, such as an additional signal in a packet which does not modify the packing format of previously used signals

This Versioning strategy is being adopted to make easy to pull DBC files via the Gihub API, to more easily track our history of DBC files, and to make it possible to parse data from files logged before the date of the most recent DBC update.

Tooling

The best way to view / modify DBC files that we have found is the "Kvaser Database Editor". This can be downloaded here under the name "Kvaser Database Editor 3" or via direct download here.

TODO

  • 2020.1.0-WIP.dbc
    • Validate the PE3 conversions
    • Add offset, scale, min, and max for WUFR signals