MacOS Mojave

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Open System Preferences and select Users & Groups. Unlock this screen and press the lower left +. Select the account type Group and name it brew. After creating this group add users.

Change group of installation directory to “brew”

sudo chgrp -R brew $(brew --prefix)/*

Give “brew” group write access

sudo chmod -R g+w $(brew --prefix)/*

The purpose of this article is to document how to set up openpilot for use with the:

  • 2017 and 2018 CR-V (EX, EX-L, and Touring)
  • 2017 and 2018 Civic Hatchback (Any trim with Honda Sensing)
  • 2018 Accord (All trims)

Unplug OEM connector from camera and plug bosch giraffe into camera. OEM connector should then be plugged into the front of the giraffe. Plug panda into the ODB port, then connect EON and Giraffe with mini USB cable.

Update 8/31/2018 — Official comma giraffe available

Comma’s giraffe only has two switches! …

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This documents how openpilot works with a car and how support is added. In this article, I am focusing on a Honda Odyssey, but the concepts described can be applied to a Toyota or a new make not supported by openpilot once you grok how they are used.

You can find the openpilot github repository here:

1. Database Container

The .dbc file is a key that describes all of the traffic on the car’s network. Openpilot requires this to read data from your car’s canbus. The DBC is referenced from opendbc which is used to decode traffic on the canbus in realtime.

There is a dbc required for each canbus (Examples: Powertrain CAN, ADAS CAN). …


Ted Slesinski

engineer, hacker, early-adopter

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