I Hacked My Car Guides: Creating Custom Firmware

This page summarizes the projects mentioned and recommended in the original post on news.ycombinator.com

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  • opendbc

    democratize access to car decoder rings

    • See:

    * DBC file is a proprietary format that describes the data over a CAN bus.: http://socialledge.com/sjsu/index.php/DBC_Format

    * OpenDBC: democratize access to car decoder rings: https://github.com/commaai/opendbc

  • erc-calculator

    Algorithm of decode ERC to unlock japanese car music systems

    • On a related note, factory-installed Toyota display systems can sometimes be locked and require an "ERC" code to unlock. The display in my recently imported car was in Japanese and seemed to be stuck, as none of the buttons or rear camera worked. I learned from Google Translate that it was in some kind of anti-theft lock mode, and after going down the rabbit hole I found out that I could access a secret menu by holding radio power and turning the headlights on and off three times, which revealed a screen displaying the display's serial number and asking for an "ERC" code.

    It turns out some fine Internet people have written C# (https://github.com/alexeyfadeev/erc-calculator) and Python (https://github.com/Berks/python_erc) packages to generate these codes. Was really cool to figure this out without having to pay some shady site in Bitcoins! The display is still in Japanese, but at least I can use Bluetooth and the rear camera! Hope that helps someone.

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  • python_erc

    Python implementation of the toyota ERC calculator. Code is working and on par with alexeyfadeev / erc-calculator from which it was ported.

    • On a related note, factory-installed Toyota display systems can sometimes be locked and require an "ERC" code to unlock. The display in my recently imported car was in Japanese and seemed to be stuck, as none of the buttons or rear camera worked. I learned from Google Translate that it was in some kind of anti-theft lock mode, and after going down the rabbit hole I found out that I could access a secret menu by holding radio power and turning the headlights on and off three times, which revealed a screen displaying the display's serial number and asking for an "ERC" code.

    It turns out some fine Internet people have written C# (https://github.com/alexeyfadeev/erc-calculator) and Python (https://github.com/Berks/python_erc) packages to generate these codes. Was really cool to figure this out without having to pay some shady site in Bitcoins! The display is still in Japanese, but at least I can use Bluetooth and the rear camera! Hope that helps someone.

  • openpilot

    openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for 250+ supported car makes and models.

    • It depends on what you mean by critical I guess. comma.ai and OpenPilot uses CAN to perform steering, acceleration and braking (I think).

    https://github.com/commaai/openpilot/blob/master/selfdrive/c...

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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