# bmspy

bmspy is a tool to get information from a [xiaoxiang-type](https://www.lithiumbatterypcb.com/product/4s-or-3s-12v-li-ion-or-lifepo4-battery-smart-bms-with-bluetooth-function-uart-and-rs485-communication-with-60a-to-120a-constant-current/?attribute_specification-selection=4S+Lifepo4+120A+with+UART+and+RS485) BMS system, using some sort of serial connection.

It can display the information as text, in JSON, or export the data continuously to a Prometheus exporter.

To install:
	git clone https://git.treehouse.org.za/tim/bmspy
	cd bmspy
	poetry install

Or, to install with influxdb and/or prometheus support:
	poetry install -E influxdb -E prometheus

To run:
	poetry run bmspyd &

Or to run via systemd, copy bmspyd.service to /etc/systemd/system, adjust WorkingDirectory to point to the installation location, and enable and start the service:
	cp bmspy-server.service /etc/systemd/system
	$EDITOR /etc/systemd/system/bmspy-server.service
	systemctl daemon-reload
	systemctl enable bmspy-server
	systemctl start bmspy-server

To run a client to get the data, choose one of the following options:
	poetry run bmspy
	poetry run bmspy-influxdb --url ...