tinkerforge-device-manager/lib/wrapper/GPSV2Wrapper.js

A node library to make connecting to and accessing Tinkerforge devices easier. Created at the University of Applied Sciences in Osnabrueck.

var tinkerforge = require('tinkerforge');
var { Wrapper } = require('./Wrapper.js');

class GPSV2Wrapper extends Wrapper {

    constructor(device, uid, deviceIdentifier, deviceName) {
        super(device, uid, deviceIdentifier, deviceName);

        this.device.on(tinkerforge.BrickletGPSV2.CALLBACK_COORDINATES, this.coordinatesChanged.bind(this));
        this.setCallbackInterval(1000);
    }

    setCallbackInterval(intervalInMs) {
        this.device.setCoordinatesCallbackPeriod(intervalInMs);
    }

    coordinatesChanged(latitude, ns, longitude, ew) {

        var values = [];
        var sensorId = this.uid + "_gps";

        values.push({
            sensor_id: sensorId,
            station_id: null,
            type: 'latitude',
            value: latitude / 1000000.0
        })

        values.push({
            sensor_id: sensorId,
            station_id: null,
            type: 'longitude',
            value: longitude / 1000000.0
        })

        values.push({
            sensor_id: sensorId,
            station_id: null,
            type: 'ns',
            value: ns
        })

        values.push({
            sensor_id: sensorId,
            station_id: null,
            type: 'ew',
            value: ew
        })
        return super.valueChanged(values, err);
    }

}

exports.GPSV2Wrapper = GPSV2Wrapper;