On the Raspberry Pi:

• Java Runtime Environment for Java 8, for example: sudo apt-get install openjdk-8-jre-headless
• WiringPi: sudo apt-get install wiringpi
• Pi4J version 1.2-SNAPSHOT (see below)

This uses Pi4J 1.2-SNAPSHOT instead of 1.1 because 1.2-SNAPSHOT has support for the Raspberry Pi Zero W, which is what I am using for this project.

To install Pi4J 1.2-SNAPSHOT:

wget http://get.pi4j.com/download/pi4j-1.2-SNAPSHOT.deb
sudo dpkg -i pi4j-1.2-SNAPSHOT.deb

(See installation instructions - note that the easy option installs Pi4J 1.1 which is not what you need).

Ofcourse, you need a cable to connect the P1 port of your smart meter to an USB port of the Raspberry Pi.

On the PC:

• JDK 8, Maven, your favorite IDE

Build with mvn clean package

After building, copy the JAR file dsmr-reader-1.0-SNAPSHOT.jar in the target directory to the Raspberry Pi.

Run it on the Raspberry Pi:

java -jar dsmr-reader-1.0-SNAPSHOT.jar

Or to make it run in the background, saving logging to a file:

nohup java -jar dsmr-reader-1.0-SNAPSHOT.jar > log.txt & 

If the USB port that the cable to your smart meter is connected to is different from the default /dev/ttyUSB0, then you can specify a different name on the command line, for example:

java -jar dsmr-reader-1.0-SNAPSHOT.jar /dev/ttyS0

Note: The JAR file is an executable JAR with a custom manifest that points to the Pi4J JAR files, in the location where they will be installed when you installed the Pi4J package (directory: /opt/pi4j/lib).

See: Serial programming with Pi4J example.

Idea: Automatically upload file with received messages to Google Drive once a day. See Google Drive REST API.

Do this in a separate thread (not in the thread that called dataReceived).