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ioBroker adapter for ETA heating systems with XML Rest API (touch display)

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ioBroker.etamon

ioBroker adapter for ETA heating systems with XML Rest API (touch display)

The development of the adapter has shown issues when running on less performant devices such as NAS devices. You can still use the adapter if you run iobroker on a common desktop/laptop device.

As a consequence I recommend using the following JS implementation - you will just need to map once the proper URI from your ETA device.

var http = require('http');
var xpath = require('xpath');
var dom = require('xmldom').DOMParser;

var etaIP = 'http://192.168.XYZ.XYZ:8080/user/var';

	// 1. URI
	// 2. iobroker Object
	// 3. read
	// 4. write
	// 5. name
	// 6. type
	// 7. unit
	// 8. role
	// 9. CCU variable (optional)
var etaVars = [
	 ["/120/10251/0/0/12242",		"eta.puffer.oben",				true, false, "Puffer oben",						"number",	"°C",		"value.temperature",    "hm-rega.0.1810"]
	,["/120/10251/0/0/12244",		"eta.puffer.unten",				true, false, "Puffer unten",					"number",	"°C",		"value.temperature",    "hm-rega.0.1811"]
	,["/120/10251/0/0/12207",		"eta.puffer.aktion",			true, false, "Puffer Aktion",					"string",	"",			"state",                "hm-rega.0.1809"]
	,["/120/10251/0/0/12533",		"eta.puffer.leistung",			true, false, "Puffer Leistung",					"number",	"KW",		"state",                "hm-rega.0.5038"]
	,["/120/10251/0/0/12129",		"eta.puffer.zustand",			true, false, "Puffer Zustand",					"string",	"",			"state",                ""]
	
	,["/120/10101/0/0/12090",		"eta.hk.1.zustand",				true, false, "Heizkreis Zustand",				"string",	"",			"state",                "hm-rega.0.1812"]
	,["/120/10101/0/0/12241",		"eta.hk.1.vorlauf",				true, false, "Heizkreis Vorlauf",				"number",	"°C",		"value.temperature",    "hm-rega.0.8047"]
	,["/120/10101/0/0/12111",		"eta.hk.1.heizkurve",			true, false, "Heizkreis Heizkurve",				"number",	"°C",		"value.temperature",    "hm-rega.0.8048"]
	,["/120/10101/0/11124/0",		"eta.hk.1.pumpe",				true, false, "Heizkreis Pumpe",					"string",	"",			"state",                "hm-rega.0.1813"]
	,["/120/10101/0/11124/2001",	"eta.hk.1.anforderung",			true, false, "Heizkreis Anforderung",			"string",	"",			"state",                ""]
	
	,["/40/10021/0/0/12000",		"eta.kessel.aktion",			true, false, "Kessel",      					"string",	"",			"state",                "hm-rega.0.1822"]
	,["/40/10021/0/0/12153",		"eta.kessel.vollast",			true, false, "Kessel Vollaststunden",			"string",	"",		    "state",                "hm-rega.0.1814"]
	,["/40/10021/0/0/12016",		"eta.kessel.verbrauch",			true, false, "Kessel Gesmtverbrauch",			"number",	"kg",		"state",                "hm-rega.0.1815"]
	,["/40/10021/0/0/12013",		"eta.kessel.aschebox",			true, false, "Kessel Verbrauch seit Aschebox",	"number",	"kg",		"state",                ""]
	,["/40/10021/0/0/12180",		"eta.kessel.druck",				true, false, "Kessel Druck",					"number",	"bar",		"state",                "hm-rega.0.1820"]
	,["/40/10021/0/0/12001",		"eta.kessel.soll",				true, false, "Kessel Soll",						"number",	"°C",		"state",                "hm-rega.0.5037"]
	,["/40/10021/0/0/12161",		"eta.kessel.ist",				true, false, "Kessel Ist",						"number",	"°C",		"state",                "hm-rega.0.3195"]
	,["/40/10021/0/0/12162",		"eta.kessel.abgasgtemp",		true, false, "Kessel Abgastemperatur",			"number",	"°C",	    "state",                "hm-rega.0.5040"]
	,["/40/10021/0/0/12165",		"eta.kessel.abgasgeblaese",		true, false, "Kessel Abgasgebläse",				"number",	"U/min",	"state",                "hm-rega.0.5039"]
	,["/40/10021/0/0/12164",		"eta.kessel.restsauerstoff",	true, false, "Kessel Restsauerstoff",			"number",	"%",		"state",                "hm-rega.0.5041"]
	,["/40/10021/0/0/12080",		"eta.kessel.zustand",			true, false, "Kessel Zustand",					"string",	"",			"state",                "hm-rega.0.1808"]
	
	,["/40/10201/0/0/12015",		"eta.lager.silo",				true, false, "Pellets Silo",					"number",	"kg",		"state",                "hm-rega.0.1817"]
	,["/40/10021/0/0/12011",		"eta.lager.tag",				true, false, "Pellets Tagesbehälter",			"number",	"kg",		"state",                "hm-rega.0.9651"]
	,["/40/10241/0/0/12197",		"eta.system.aussentemperatur",	true, false, "Aussentemperatur",				"number",	"°C",		"state",                "hm-rega.0.1821"]
];

etaVars.forEach(function(etaVar){
    createState(etaVar[1], 0, {
        read:  etaVar[2],
        write: etaVar[3],
        name:  etaVar[4],
        type:  etaVar[5],
        unit:  etaVar[6],
        role:  etaVar[7]
    });
});

schedule("*/5 * * * *", function () {
    pollETA();
});

pollETA();

function pollETA() {
    // console.log("** Polling ETA Variables");
	etaVars.forEach(function(etaVar){
		http.get(etaIP + etaVar[0], function (http_res) {

			// initialize the container for our data
			var data = "";

			// this event fires many times, each time collecting another piece of the response
			http_res.on("data", function (chunk) {
				// append this chunk to our growing `data` var
				data += chunk;
				// console.log("** ETA chunk: " + chunk);
			});

			// this event fires *one* time, after all the `data` events/chunks have been gathered
			http_res.on("end", function () {
				// console.log("** ETA data: " + data);

				try {
					var doc = new dom().parseFromString(data);
					var select = xpath.useNamespaces({"eta": "http://www.eta.co.at/rest/v1"});

					var strValue    = (select('//eta:value/@strValue',    doc)[0].nodeValue);
					var text        = (select('//eta:value/text()',       doc)[0].nodeValue);
					var scaleFactor = (select('//eta:value/@scaleFactor', doc)[0].nodeValue);
					var unit        = (select('//eta:value/@unit',        doc)[0].nodeValue);
                    var value       = "";
                    
					if (etaVar[5]=="number") {
						value = text * 1.0 / scaleFactor;
					} else {
						value = strValue;
					}

					/* console.log("**** ETA " + etaVar[0] + " @strValue:    " + strValue);
					console.log("**** ETA " + etaVar[0] + " @unit:        " + unit);
					console.log("**** ETA " + etaVar[0] + " text()  :     " + text);
					console.log("**** ETA " + etaVar[0] + " @scaleFactor: " + scaleFactor);
					console.log("** ETA [" + etaVar[4] + "]: " + value + " " + unit); */

					setState(etaVar[1], value);
					
					// Schreibe Variablen zu CCU
					if(etaVar[8]!="") {
					    setState(etaVar[8], value);
					}
				}
				catch (e) {
					log("ETA: Cannot set data "+ etaVar[2] +":" + e, 'error');
				}
			});
		});
	});
	
	var dateFormat = require('dateformat');
	var currentdate = new Date();
	log(dateFormat(currentdate, "dd. mmm yyyy hh:MM"));
	// optional last update in CCU3
	setState("hm-rega.0.7022", dateFormat(currentdate, "dd. mmm yyyy hh:MM"));
}

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