58 lines
1.4 KiB
JavaScript
58 lines
1.4 KiB
JavaScript
/*
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1) PSI metric data
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2) Humidity
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3) Gases (O3,NO2,SO2)
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4) temperature
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5) Air pressure?
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6) windspeed?
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8) time when data was collected / generated
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*/
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/*
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1) generate random data for each sensor
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2) pass to mqtt broker
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*/
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let region = ["central", "north-east", "north", "east", "west"];
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function generateRandomData() {
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const psiData = getRandomValue(0, 500);
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const humidityData = getRandomValue(0, 100);
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const o3Data = getRandomValue(0, 600); //max 600
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const no2Data = getRandomValue(0, 1000); //max 1000
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const so2Data = getRandomValue(0, 1000); //max 1000
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const coData = getRandomValue(0 , 100);
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const temperatureData = getRandomValue(24, 40);
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const windspeedData = getRandomValue(0, 35);
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const currentTime = new Date(Date.now() + 28800000)
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.toISOString()
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.slice(0, 19)
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.replace("T", " ");
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const regionData = region[Math.floor(Math.random() * region.length)];
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var json = {
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psi: psiData.toFixed(0),
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humidity: humidityData.toFixed(0) + "%",
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o3: o3Data.toFixed(0) + "ppm",
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no2: no2Data.toFixed(0) + "ppm",
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so2: so2Data.toFixed(0) + "ppm",
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co: coData.toFixed(0) + "ppm",
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temperature: temperatureData.toFixed(0) + "°C",
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windspeed: windspeedData.toFixed(0) + "km/h",
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time: currentTime,
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region: regionData,
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};
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return json;
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}
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function getRandomValue(min, max) {
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return Math.random() * (max - min) + min;
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}
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function iot_sensor_data() {
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return generateRandomData();
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}
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module.exports = { iot_sensor_data };
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