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https://github.com/olegel/VolvoCan
Volvo XC90 CAN bus adapter to restore wheel buttons and park assistant functionality
https://github.com/olegel/VolvoCan
arduino bus-adapter can-bus parking-assistant volvo wheel-buttons
Last synced: about 1 month ago
JSON representation
Volvo XC90 CAN bus adapter to restore wheel buttons and park assistant functionality
- Host: GitHub
- URL: https://github.com/olegel/VolvoCan
- Owner: olegel
- License: lgpl-2.1
- Created: 2018-12-31T16:58:16.000Z (almost 6 years ago)
- Default Branch: master
- Last Pushed: 2021-04-13T09:49:38.000Z (over 3 years ago)
- Last Synced: 2024-08-03T19:09:22.287Z (5 months ago)
- Topics: arduino, bus-adapter, can-bus, parking-assistant, volvo, wheel-buttons
- Language: C++
- Size: 4.54 MB
- Stars: 34
- Watchers: 14
- Forks: 9
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
- awesome-automotive-can-id - Volvo - XC90 CAN bus adapter to restore wheel buttons and park assistant functionality. (Volvo / Volkswagen)
README
# Volvo low-speed CAN bus adapter
Some time ago I had installed the Android radio into my Volvo XC90 and had removed the all useless modules (phone, CD-changer, audio module, amplifier, navigation, antenna).
I think the car lost weight :)
I have got all nice android stuff, bluetooth connection to phone, video-in for the video recorder, sub-woofer out and etc.
But I have lost the parking assistant(it works through Volvo audio system), steering wheel buttons.
So I have decided to make my own CAN bus adapter.
## Features:
* All information is received by low-speed car CAN bus, adapter works in Listen Only mode
* Audio and navigation steering wheel buttons are mapped to two digital rheostats (sit to first, and six to second). It's simulated resistive buttons for Android audio
* Rear gear output (0/12v)
* Low ambient light detector output (0/12v)
* Ignition key position I/II output (relay)
* Parking assistant buzzer simulation (I've used central speaker)
* Parking assistant control button allows to enable/disable parking buzzer
## Hardware
* Arduino Nano
* MCP2515 based CAN bus adapter
* MCP4231 double digital potentiometer
* ULN2003A for digital outputs
* 12v relay
## Schematic
* [PDF file](doc/schematic.pdf)
## Software
Libraries:
* [Tone] (https://github.com/daniel-centore/arduino-tone-library)
* [MCP4231] (https://github.com/jmalloc/arduino-mcp4xxx)
* [MCP2515] (https://github.com/autowp/arduino-mcp2515) Has some changes, see forked version
Forked libraries:
* [Tone] (https://github.com/olegel/arduino-tone-library)
* [MCP4231] (https://github.com/olegel/arduino-mcp4xxx)
* [MCP2515] (https://github.com/olegel/arduino-mcp2515)
## Compilation
I've used Visual Studio Code with Platformio extension.
Clone code, update sub-modules.
Open volvo.code-workspace file, build and upload.
NOTE: each car has own CAN module Id! You should detect it youself.
## My module:
## More information
* More information you can find in my blog (Russian) (https://olegel.blogspot.com/2019/01/can-volvo-xc90.html)