47 lines
1.2 KiB
JavaScript
47 lines
1.2 KiB
JavaScript
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import BME280 from 'bme280-sensor';
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import {poll} from './misc.js';
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export default class SensorSuite {
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bme280;
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stopBme280;
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_data = {
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acceleration: [null, null, null],
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altitude: null,
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battery: null,
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gpsStrength: null,
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gyro: [null, null, null],
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humidity: null,
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magnetometer: [null, null, null],
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position: [null, null],
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pressure: null,
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temperature: null,
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voltage: null,
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}
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set data(d) { this._data = d; }
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get data() { return {timestamp: new Date().getTime(), ...this._data}; }
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get status() { return { sensors: 'ok' }; }
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constructor() {
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this.bme280 = new BME280({i2cBusNo: 1, i2cAddress: 0x76});
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}
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async start() {
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await this.bme280.init();
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// Poll environmental data
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this.stopBme280 = poll(async () => {
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const d = await this.bme280.readSensorData();
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this._data.humidity = d.humidity / 100;
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this._data.temperature = d.temperature_C;
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this._data.pressure = d.pressure_hPa;
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this._data.altitude = BME280.calculateAltitudeMeters(this.data.pressure);
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}, 1000);
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}
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stop() {
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if(this.stopBme280) this.stopBme280();
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}
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}
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