bt-sensors-plugin-sk/sensor_classes/VictronInverterRS.js

Bluetooth Sensors for Signalk -- support for Victron devices, RuuviTag, Xiaomi, ATC and Inkbird, Ultrasonic wind meters, Mopeka tank readers, Renogy Battery and Solar Controllers, Aranet4 environment sensors, SwitchBot temp and humidity sensors, Kilovault

const VictronSensor = require("./Victron/VictronSensor");
const VC=require("./Victron/VictronConstants.js")

function toBinaryString(buff){
    return [...buff].map((b) => b.toString(2).padStart(8, "0")).join("");
    }
class VictronInverterRS extends VictronSensor{
    static async identify(device){
        return await this.identifyMode(device, 0x06)
    }
    

    async init() {
        await super.init()
        
        this.addMetadatum('deviceState','', 'inverter device state', 
                (buff)=>{return VC.OperationMode.get(buff.readIntU8(0))})
        const md = this.addMetadatum('chargerError','', 'charger error',
                (buff)=>{return VC.ChargerError(buff.readIntU8(1))})
        md.notify=true

        this.addMetadatum('batteryVoltage','V', 'battery voltage', 
            (buff)=>{return this.NaNif(buff.readInt16LE(2),0x7FFF)/100})
        this.addMetadatum('pvPower','W', 'PV power', 
            (buff)=>{return this.NaNif(buff.readUInt16LE(4), 0xffff)})
        this.addMetadatum('yieldToday','W', 'yield yoday in watts', 
            (buff)=>{return this.NaNif(buff.readUInt16LE(6), 0xffff)*10})
        this.addMetadatum('acOutPower','W', 'AC out power in watts', 
            (buff)=>{this.NaNif(buff.readInt16LE(8), 0x7fff)})                
    }

    emitValuesFrom(decData){
        super.emitValuesFrom(decData)
        const error = this.getMetadatum("chargerError").read(decData)
        if (error>0){
            this.emit(
                `Charger Error #${error} from ${this.getDisplayName()})`, 
                { message: VC.ChargerError.get(error), state: 'error'})
        }
    }
    

}
module.exports=VictronInverterRS