Setup

1. Install Raspbian

• Flash using rpi-imager
• Set username, password, hostname etc.
• Enable ssh

2. Setup system

• Install updates

  sudo apt update
  sudo apt upgrade
  sudo rpi-update
  sudo reboot

• Use raspi-config to set wlan country
• Use raspi-config to enable predictable interface names

3. Install Dependencies

sudo apt install bettercap bettercap-caplets bettercap-ui
sudo systemctl stop bettercap
sudo systemctl disable bettercap

4. Install PiFi

• Download latest release

  curl -L "https://github.com/czQery/PiFi/releases/latest/download/release-$(uname -m | sed 's/x86_64/amd64/; s/armv7.*/arm7/; s/armv6.*/arm6/').tar.gz" | tar -xzv

5. Create service

• Edit the example pifi.service file in this repo and put it in /etc/systemd/system/
• Reload systemd daemon

  sudo systemctl daemon-reload

• Enable service

  sudo systemctl enable pifi.service

• Start service

  sudo systemctl start pifi.service

GPS

• Enable serial interface

  sudo raspi-config

• Select -> Interfacing Options
• Select -> Serial
• Login shell -> No
• Hardware Serial -> Yes

  sudo apt install pps-tools gpsd gpsd-clients chrony
  sudo systemctl stop gpsd
  sudo systemctl stop gpsd.socket
  
  # Edit these settings to match your gps module
  sudo ubxtool -S 460800 -s 38400 -f /dev/serial0
  sudo ubxtool -s 460800 -e GPS -e GALILEO -e GLONASS -e BEIDOU -e SBAS -e QZSS -f /dev/serial0
  sudo ubxtool -s 460800 -z CFG-RATE-MEAS,100 -f /dev/serial0
  sudo ubxtool -s 460800 -z CFG-NAVSPG-DYNMODEL,4 -f /dev/serial0
  sudo ubxtool -s 460800 -p SAVE -f /dev/serial0

• Edit /etc/default/gpsd

  DEVICES="/dev/serial0"
  GPSD_OPTIONS="-n -s 460800"
  USBAUTO="true"

• Apply

  sudo systemctl enable gpsd
  sudo reboot