smartmeter

Connects to P1 DSMR interface.

Influenced by smeterd.

Licensed under MIT license.

Development

go install github.com/koesie10/smartmeter/cmd/smartmeter

Running

As systemd service

sudo mv smartmeter /usr/local/bin
sudo chmod +x /usr/local/bin/smartmeter

sudo adduser --system --no-create-home --group smartmeter
sudo usermod -a -G dialout smartmeter

sudo nano /etc/systemd/system/smartmeter.service

[Unit]
Description=smartmeter
Wants=network-online.target
After=network-online.target
After=influxdb.service
AssertFileIsExecutable=/usr/local/bin/smartmeter

[Service]
User=smartmeter
Group=smartmeter

PermissionsStartOnly=true

Restart=always

ExecStart=/usr/local/bin/smartmeter publish --influx-database telegraf --influx-tags="house=myhouse"

[Install]
WantedBy=multi-user.target

sudo systemctl daemon-reload
sudo systemctl start smartmeter
sudo systemctl status smartmeter
sudo systemctl enable smartmeter

Todo

• Checksum validation. I only have DSMR 2, so it was not necessary for me to implement.