@lucacan/domoticz-nodered/index.js

Some usefull functions to use with Node ed and Domoticz

module.exports = {
battery: function(number) {
var battery=0;
	switch(typeof number) {
		case 'undefined':
		case null:
			battery = 255;
		break;
		case 'string' :
			battery = Math.round(parseInt(number));
		break;
		case 'number' :
			battery = Math.round(number)
		break;
		default : //boolean, symbol, object, function
			battery = 255;
			//throw new TypeError("Battery wants a number or a string!");
		break;
	}
  return battery;
},


//module.exports = 
rssi: function(number) {
var rssi=12;
var numtemp=0;

        switch(typeof number) {
                case 'undefined':
                case null:
                        rssi = 12;
                break;
                case 'string' :
                case 'number' :
			numtemp = Math.round(parseInt(number));
			if (numtemp <30) { rssi=0; }
			if ((numtemp >=30) && (numtemp<=150)) {
        			rssi = Math.round( ((numtemp-30) / 120) * 11 ) ;
			}
			if (numtemp >150) { rssi=11; }
		break;
                default : //boolean, symbol, object, function
                        rssi = 12;
                        //throw new TypeError("Battery wants a number or a string!");
                break;
        }
//that link quality from zigbee2mqtt is max about 170 in real. 255 is unreal maximum. And values less than 30 is unusable. Better mapping wil be something like 0-30->0; 31-170->1-11; 170-255->11
  return rssi;
  //    if (typeof string !== "string") throw new TypeError("Battery wants a string!");
},


colorTempIkea: function(number) {
var colorTempMin=250;
var colorTempMax=454;
var colorTempIkea=Math.round(parseInt(colorTempMin + (number/255)*(colorTempMax-colorTempMin)));
return colorTempIkea;
}


/*
//"colorTempPhysicalMin":250,"colorTempPhysicalMax":454}
  
var temp = msg.payload.temperature;
var humi = msg.payload.humidity;
var pres = msg.payload.pressure;
var batt = msg.payload.battery;
var rssi = msg.payload.linkquality;

msg.payload = {}

// Humidity Status
if (humi < 31) {
    humistat = "2";
} else if (humi > 69) {
    humistat = "3";
} else if (humi > 34 && humi < 66 && temp > 21 && temp < 27) {
    humistat = "1";
} else {
    humistat = "0";
}

// Pressure Status
if (pres < 966) {
    forecast = "4";
} else if (pres < 993) {
    forecast = "3";
} else if (pres < 1007) {
    forecast = "2";
} else if (pres < 1013) {
    forecast = "3";
} else if (pres < 1033) {
    forecast = "0";
} else {
    forecast = "1";
}

msg.payload.idx =  1221
msg.payload.nvalue = 0
msg.payload.svalue = temp.toString()+";"+humi.toString()+";"+humistat+";"+pres.toString()+";"+forecast;
if (typeof batt !== 'undefined' && batt !== null){
msg.payload.Battery = Math.round(batt);
}
if (typeof rssi !== 'undefined' && rssi !== null){
rssi = Math.round(rssi / 12);
if (rssi > 12) {
    rssi = 12;
}
msg.payload.RSSI = rssi;
}
return msg;

*/
}