A first look at OpenAuto. This is the first post of the project.

Index

Overview

OpenAuto is an AndroidAuto(tm) headunit emulator based on aasdk library and Qt libraries. I plan to build a headunit to be a simple plug ‘n’ play but with the AndroidAuto support.

Initially I planned to build it via source this was original plan, but following a rethink I’m now using Crankshaft-NG. I have left the code build instructions the post in case I need to change this decision.

Hardware

  • Raspberry PI 3
  • USB Audio adapter with headphone output and mic input
  • HDMI display

Re-thinking the solution

Software

Upon a rethink it has occured to me that it’ll be better to use Crankshaft-NG which is a pre image based on OpenAuto.

Steps performed

  • Download Crankshaft-NG
  • Image SD card with downloaded image
  • Enable Dev_Mode
    • Edit /boot/crankshaft/chrankshaft_env.sh
      • DEV_MODE=1
      • DEV_MODE_APP=1
  • Power on pi
  • SSH to pi
    • Using pi/raspberry
  • Update 
    sudo apt update
sudo apt upgrade -y
sudo apt dist-upgrade -y
sudo reboot
  • Rename host (Optional). Update each file with the new hostname. 
    sudo nano /etc/hostname
sudo nano /etc/hosts
  • Enable onboard BT You must reboot after this. 
    crankshaft bluetooth builtin
sudo reboot
  • Set crankshaft to pariable for 120 secs 
    crankshaft bluetooth pairable
  • Pair phone

Original Plan

Software

  • Raspbian Buster Lite
  • aasdk
  • OpenAuto

Update Raspbian

  • Login as pi
  • Set GPU memory to 256MB via raspi-config
  • Ensure Raspbian is fully updated. 
    sudo apt update -y
sudo apt upgrade -y
sudo apt dist-upgrade -y
sudo apt autoclean -y
  • add basic GUI addgui 
    #sudo apt install -y --no-install-recommends xserver-xorg raspberrypi-ui-mods
#sudo apt install -y xvfb
sudo apt-get install --no-install-recommends xserver-xorg
sudo apt-get install --no-install-recommends xinit
sudo apt-get install -y lxde-core lxappearance
sudo apt-get install -y lightdm
  • add default gui and autologin /etc/systemd/system/default.target → /lib/systemd/system/graphical.target

aasdk

Build

Build aasdk from the source code. This takes about 40 minutes.

  • Install pre-requirements 
    sudo apt-get install -y libboost-all-dev libusb-1.0.0-dev libssl-dev cmake libprotobuf-dev protobuf-c-compiler protobuf-compiler
  • Get aasdk code 
    cd ~/
git clone -b development https://github.com/opencardev/aasdk.git
  • Prepare build environment 
    mkdir aasdk_build
cd aasdk_build
  • Generate cmake files 
    cmake -DCMAKE_BUILD_TYPE=Release ../aasdk
  • Build aasdk 
    make

OpenAuto

Build OpenAuto from source code. This takes about 40 minutes.

Build

  • Install pre-requirements 
    sudo apt-get install -y libqt5multimedia5 libqt5multimedia5-plugins libqt5multimediawidgets5 qtmultimedia5-dev libqt5bluetooth5 libqt5bluetooth5-bin qtconnectivity5-dev pulseaudio librtaudio-dev librtaudio6
  • Build ilclient from Raspberry PI 3 firmware 
    cd /opt/vc/src/hello_pi/libs/ilclient
make
  • Get OpenAuto code 
    cd ~/
git clone -b crankshaft-ng https://github.com/opencardev/openauto.git
  • Prepare build environment 
    mkdir openauto_build
cd openauto_build
  • Generate cmake files 
    cmake -DCMAKE_BUILD_TYPE=Release -DRPI3_BUILD=TRUE -DAASDK_INCLUDE_DIRS="/home/pi/aasdk/include" -DAASDK_LIBRARIES="/home/pi/aasdk/lib/libaasdk.so" -DAASDK_PROTO_INCLUDE_DIRS="/home/pi/aasdk_build" -DAASDK_PROTO_LIBRARIES="/home/pi/aasdk/lib/libaasdk_proto.so" ../openauto
  • Build OpenAuto 
    make

OpenAuto First Run

Run OpenAuto

/home/pi/openauto/bin/autoapp