Lastleaf - Raspberry pi client utility

About the repository

Lastleaf for raspberry pi is a background unix service (process) for reporting emergency situation inside a vechile. The service resides inside the Lastleaf IOT hardware setup. The service is written in Python and Go.

Prerequisites

• Configure a Firebase project with Google Cloud Functions using this repository.
• Set up a Go project and copy ibeacon.go and main.go to your go project directory.
• Download go resources for the project using : go get github.com/paypal/gatt. Yes, you only need this one 😊.

Building and running

• git clone the repository.
• In your go project directory, execute: env GOOS=linux GOARCH=arm GOARM=5 go build
• Copy the binary executable to your raspberry pi, probably using ssh: scp ./name-of-binary-file pi@raspberrypi.local:~/
• Rename the fragment to your executable at line 34 of Majimak.py:

  subprocess.call([
      "sudo","./your_lastleaf"
      ])
  

• Plug in a bluetooth device if your raspberry pi doesn't have one. For raspberry pi zero W, there is no such requirement.
• Run the go executable in sudo mode to check if everything's okay.

Hurray! You are halfway already 🎉.

Setting up Soracom Account

• Head over here to create your Soracom Account. For international, head here.
• Register your SIM card and record your API_KEY and API_TOKEN.
• Plug the Soracom SIM card to your mobile phone.

Configuring Majimak.py (Yes, the last !)

• Give your device a specific CONST_DEVICE_ID as constant.

• Plug in your API_KEY and API_TOKEN in the program.

• Plug in your HC-SR04 sensor with the raspberry pi GPIO pins as declared in Majimak.py or customize them.

• Copy the Lastleaf.service file into your directory.

• Now, run the following commands inside your raspberry pi shell:

  sudo cp Lastleaf.service /lib/systemd/system
  sudo chmod 644 /lib/systemd/system/Lastleaf.service
  sudo systemctl daemon-reload
  sudo systemctl enable Lastleaf.service
  

• Now, sudo reboot your raspberry pi.

• Perform sudo systemctl status Lastleaf.service to check if the service is running !

• Now, head here to the Android client application to get instructions on deploying the complementary beacon generator for the raspberry pi.

You're done ! ✔