Unverified Commit 0367bc29 authored by Daniel Friesel's avatar Daniel Friesel
Browse files

Expose device temperature via MQTT and InfluxDB

parent 102dd007

init.lua

+8 −5
Original line number Diff line number Diff line
@@ -63,8 +63,8 @@ function uart_callback(data) 
		return

	end



	local json_str = string.format('{"rssi_dbm":%d,"co2_ppm":"%d"}', wifi.sta.getrssi(), mh_z19.co2)

	local influx_str = string.format("co2_ppm=%d", mh_z19.co2)

	local json_str = string.format('{"rssi_dbm":%d,"co2_ppm":"%d","temperature_celsius":%d}', wifi.sta.getrssi(), mh_z19.co2, mh_z19.temp)

	local influx_str = string.format("co2_ppm=%d,temperature_celsius=%d", mh_z19.co2, mh_z19.temp)



	if not publishing_mqtt then

		watchdog:start(true)
@@ -101,14 +101,17 @@ function hass_register() 
	local hass_device = string.format('{"connections":[["mac","%s"]],"identifiers":["%s"],"model":"ESP8266 + MH-Z19","name":"MH-Z19 %s","manufacturer":"derf"}', wifi.sta.getmac(), device_id, chip_id)

	local hass_entity_base = string.format('"device":%s,"state_topic":"%s/data","expire_after":120', hass_device, mqtt_prefix)

	local hass_co2 = string.format('{%s,"name":"CO₂","object_id":"%s_co2","unique_id":"%s_co2","device_class":"carbon_dioxide","unit_of_measurement":"ppm","value_template":"{{value_json.co2_ppm}}"}', hass_entity_base, device_id, device_id)

	local hass_temp = string.format('{%s,"name":"Temperature","object_id":"%s_temp","unique_id":"%s_temp","device_class":"temperature","unit_of_measurement":"°c","value_template":"{{value_json.temperature_celsius}}","entity_category":"diagnostic"}', hass_entity_base, device_id, device_id)

	local hass_rssi = string.format('{%s,"name":"RSSI","object_id":"%s_rssi","unique_id":"%s_rssi","device_class":"signal_strength","unit_of_measurement":"dBm","value_template":"{{value_json.rssi_dbm}}","entity_category":"diagnostic"}', hass_entity_base, device_id, device_id)



	mqttclient:publish("homeassistant/sensor/" .. device_id .. "/co2/config", hass_co2, 0, 1, function(client)

		mqttclient:publish("homeassistant/sensor/" .. device_id .. "/temperature/config", hass_temp, 0, 1, function(client)

			mqttclient:publish("homeassistant/sensor/" .. device_id .. "/rssi/config", hass_rssi, 0, 1, function(client)

				collectgarbage()

				setup_client()

			end)

		end)

	end)

end



watchdog:register(180 * 1000, tmr.ALARM_SEMI, node.restart)