node-red-contrib-victron-ble/dist/devices/solar-sense.js

node-red node to parse Instant Readout advertisement data from Victron BLE devices

"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
    if (typeof Reflect === "object" && typeof Reflect.decorate === "function") r = Reflect.decorate(decorators, target, key, desc);
    else for (var i = decorators.length - 1; i >= 0; i--) if (d = decorators[i]) r = (c < 3 ? d(r) : c > 3 ? d(target, key, r) : d(target, key)) || r;
    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
var __metadata = (this && this.__metadata) || function (k, v) {
    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.SolarSense = void 0;
const base_1 = require("./base");
class SolarSense extends base_1.Device {
    errorCode;
    chargerError;
    installationPower;
    todaysYield;
    irradiance;
    cellTemperature;
    batteryVoltage;
    timeSinceLastSun;
    // SolarSense transmits plaintext — no AES-CTR encryption
    parse(data) {
        this.modelId = this.getModelId(data);
        this.decryptedData = data.slice(8);
        this.parseDecrypted(this.decryptedData);
        return this;
    }
    parseDecrypted(decrypted) {
        const reader = new base_1.BitReader(decrypted);
        const error_code = reader.readUnsignedInt(32);
        const charger_error = reader.readUnsignedInt(8);
        const installation_power = reader.readUnsignedInt(20);
        const todays_yield = reader.readUnsignedInt(20);
        const irradiance = reader.readUnsignedInt(14);
        const cell_temperature = reader.readUnsignedInt(11);
        reader.readUnsignedInt(1);
        const battery_voltage = reader.readUnsignedInt(8);
        reader.readUnsignedInt(1); // txPowerLevel
        const time_since_last_sun = reader.readUnsignedInt(7);
        this.errorCode = error_code;
        this.chargerError = charger_error !== 0xFF ? charger_error : undefined;
        this.installationPower = installation_power !== 0xFFFFF ? installation_power : undefined;
        this.todaysYield = todays_yield !== 0xFFFFF ? todays_yield * 10 : undefined;
        this.irradiance = irradiance !== 0x3FFF ? irradiance / 10 : undefined;
        this.cellTemperature = cell_temperature !== 0x7FF ? cell_temperature / 10 - 60 : undefined;
        this.batteryVoltage = battery_voltage !== 0xFF ? battery_voltage / 100 + 1.7 : undefined;
        this.timeSinceLastSun = SolarSense.decodeTimeSinceLastSun(time_since_last_sun);
    }
    static decodeTimeSinceLastSun(raw) {
        if (raw === 0x7F)
            return undefined;
        if (raw < 30)
            return raw * 2;
        if (raw < 96)
            return 60 + 10 * (raw - 30);
        return 720 + 30 * (raw - 96);
    }
}
exports.SolarSense = SolarSense;
__decorate([
    (0, base_1.EnumField)(base_1.ChargerError),
    __metadata("design:type", Number)
], SolarSense.prototype, "chargerError", void 0);