CHANGELOG

V1.2

• Improve USB/WIFI switch machanism
• support config file /tmp/root/headunit.json (github/@Peck07)
• support config file for Reverse direction
• support config file for Car GPS/ Phone GPS

V1.1

• Add notification window
• Fix switch to USB and switch back to Wi-Fi
• Reduce swiching time

V1.0

• initial

Instructions

After activating autorun.

1. copy cmu-autorun/sdcard/headunit/* to SDCARD
2. plug SDCARD to car
3. plug Android phone to car USB port
4. Start car

Android Auto should automatically start.

Wireless Mode

Initial wireless connection

1. CAR : Start car
2. PHONE: Share personal hotspot
3. CAR : Connect to personal hotspot
4. PHONE: Enable Developer Settings on Android Auto

Run headunit-wireless

1. CAR: Plug SDCard/USB that already copy headunit apps to root directory.
2. CAR: Reboot to start autorun.(press Back+Nav+Mute for 10 second)
3. CAR: Wating for wireless established.
4. PHONE: Open Android auto apps. Start Head unit Server
5. (Headunit start automatic)

Stop

1. CAR: Exit Headunit
2. CAR: Disconnect personal hotspot
3. PHONE: Stop Head unit Server. Disable developer mode (options).
4. PHONE: disable personal hotspot

Permanent stop headunit-wirelss can do by disable personal hotspot or unplug SDcard/USB.

Source

• https://github.com/gartnera/headunit
• https://gitlab.com/mzdonline/cmu-autorun/tree/master/sdcard/headunit