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https://github.com/rimian/rx8
Last synced: about 1 month ago
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- Host: GitHub
- URL: https://github.com/rimian/rx8
- Owner: rimian
- License: mit
- Created: 2024-09-14T12:55:15.000Z (4 months ago)
- Default Branch: master
- Last Pushed: 2024-10-16T08:11:55.000Z (3 months ago)
- Last Synced: 2024-10-17T21:00:30.981Z (3 months ago)
- Language: Python
- Size: 9.46 MB
- Stars: 0
- Watchers: 1
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
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README
# RX8
This is for repurposing the RX8 satelite navigation to run engine parameters on a Raspberry PI.
This is a huge job. Make yourself a coffee!
## What you need to do
You'll need the following equipment:
* An OBDII bluebooth adapter
* A Raspberry PI
* A 7 inch screen.
## Required packages
```
sudo apt-get install netcat-openbsd
```
## Installation
* SSH into your Raspberry PI.
* In the home directory checkout this repo.
* Add the auto start section of wayfire.ini to your config
* pip install git+https://github.com/rimian/rx8.git
## Pulling things apart
In my case, my RX8 did not have a satelite navigation system installed so, I bought an entire using off eBay. I recommend using a second hand screen and swapping it out later. There's a lot of stuff to pull apart and it will take you a long time. If you have a spare, you can work on it and then swap it out of your car later. If not, go right ahead and pull out your centre console.
Here's some instructions I found on doing that: https://newscrewdriver.com/2023/08/06/removing-navigation-lcd-assembly-from-2004-mazda-rx-8/
## Booting up the Rasberry PI in Kiosk Mode
The easiest example I found so far: https://core-electronics.com.au/guides/raspberry-pi-kiosk-mode-setup/#V1Y5SSB using Wayland config.
To get the display to be full screen, you need to boot the app in kiosk mode. I got this working with wayland. Add this to .config/wayfire.ini
```
[autostart]
screensaver = false
dpms = false
kiosk = /home/pi/rx8/run_kiosk.sh
```
## Can Bus
I bought a RS485 Can Hat for the Rasperry PI.
Add the following lines to /boot/firmware/config.txt
```
dtparam=spi=on
dtoverlay=mcp2515-can0,oscillator=12000000,interrupt=25,spimaxfrequency=2000000
```
## Enabling CAN0 Interface on Boot using systemd
To ensure your Raspberry Pi automatically boots with the `can0` interface enabled, follow these steps to create a `systemd` service.
### Create the systemd Service File
Copy the file `stuff/can0.service` to `/etc/systemd/system/can0.service`
Enable and Start the Service:
```bash
sudo systemctl enable can0.service
sudo systemctl start can0.service
```
After the reboot, check if the can0 interface is up and running by using:
```bash
ip link show can0
```
## Fitting a new screen
I've seen some other guides recommend hot gluing a tablet or screen in place of the old one. I don't think hot glue will hold through the extreme heat cycles inside a car, the vibrations and pushing on it with your finger.
The best way to fit a replacement screen is to reuse the metal brackets that mount the old screen. Thankfully, the old screen seems to be a standard 16:9 and a new screen (without a cover) should be an easy fit.
## Connecting
```sudo rfcomm```