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How_to_install_fresh_RPi_with_code.md

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How to install fresh Image and FDIA code on RPi

Prepare SD Card

  1. open RPi Imager

  2. Select RPi hardware , Image RPI OS (Debian "Bookworm") Lite, choose your SD Card

  3. Select next and choose configure settings.

  4. Enter Hostname

  5. Enter Username and password

  6. Add your ssh public key in ther service section authentication via public key

  7. Click next and procceed with imaging.

  8. Insert SD Card in RPi1 b+ (or above Hardware) and power on

  9. System will start up and after a while it reboots automatically.

  10. After second boot you can try to login

  11. sudo su switch to root user

  12. nmcli -p connection show show network interface config

  13. nmcli c mod "Wired connection 1" ipv4.addresses 10.0.0.220/24 ipv4.method manual set static ip

  14. nmcli con mod "Wired connection 1" ipv4.gateway 10.0.0.1 set gateway ip

  15. nmcli con mod "Wired connection 1" ipv4.dns 10.0.0.1set dns to your home local network router (most use cases)

  16. If using multiple DNS Servers set like this nmcli con mod "Wired connection 1" ipv4.dns "8.8.8.8,8.8.4.4"

  17. If you want to use multiple IP's you can set nmcli c mod "Wired connection 1" ipv4.addresses "10.0.0.220/24, 10.0.0.221/24, 10.0.0.222/24" ipv4.method manual like this

  18. shutdown interface and up again to activate settings nmcli c down "Wired connection 1" && sudo nmcli c up "Wired connection 1"

  19. show network config run nmcli -p connection show "Wired connection 1"

  20. Now it's time to install required base software sudo apt install mc git screen curl python3-pip python3.11-venv direnv

  21. cd /usr/local/bin

  22. git clone https://github.com/OliverDrechsler/PiCam_API_2.git clone repo.

  23. cd front_door_intercom_automation

  24. install system python packages e.g. for picamera2 and it's libs

apt install libcap-dev libcap2-bin  libcap2

sudo apt install -y python3-libcamera python3-kms++
sudo apt install -y python3-prctl libatlas-base-dev ffmpeg libopenjp2-7
  1. python3 -m venv --system-site-packages .venv create a python virtualenv.
  2. chmod +x .venv/bin/activate
  3. .venv/bin/activate
  4. add eval "$(direnv hook bash)" to ~/.bashrc
  5. run source ~/.bashrc
  6. create .envrc in fdia dir and add lines 
    export VIRTUAL_ENV=./.venv
layout python-venv $VIRTUAL_ENV
  7. now run direnv allow
  8. .venv/bin/pip3 install -r requirements.txtto install required libs.
  9. configure now config.yaml
  10. .venv/bin/python3 -m fdia test run
  11. Edit file picam.service and adjust to your path to ExecStart=/usr/local/bin/.......
    because python fdia code runs in python virtualenv therefore we've to call this python3 executable before.
  12. To run PiCam_API_2 as a service on startup with root permissions
    copy picam.serviceto /etc/systemd/system/to your RPi systemd deamon folder.
  13. Run systemctl daemon-reload and systemctl start picamto start it as a service.
  14. check log output journalctl -xu picam -f
  15. activate new service systemctl enable picam.service