TTN Smart Sensor (Cital)

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function decodeBytesMeasurement(bytes) { var data = {}; data.tempOffBoard = new Int16Array([bytes[0] << 8 | bytes[1]])[0] / 100; data.waterPotOffBoard = ((bytes[2] << 8) | bytes[3]) / -100; data.batteryCharge = (bytes[4]); var year = Math.floor((bytes[5] << 8 | bytes[6]) / 100) + 2000; var month = parseInt((bytes[5] << 8 | bytes[6]).toString().substring(2, 4))-1; if ((bytes[5] << 8 | bytes[6]) < 12) { month = "1"; } var day = Math.floor((bytes[7] << 8 | bytes[8]) / 100); var hour = (bytes[7] << 8 | bytes[8] ) - day * 100; var minute = Math.floor((bytes[9] << 8 | bytes[10]) / 100); var second = (bytes[9] << 8 | bytes[10]) - minute * 100; var ts = Math.floor(new Date(Date.UTC(year, month, day, hour, minute, second)).getTime()); data.lat = ((bytes[11] << 24 | bytes[12] << 16 | bytes[13] << 8 | bytes[14]) / 100000); data.long = ((bytes[15] << 24 | bytes[16] << 16 | bytes[17] << 8 | bytes[18]) / 100000); data.firmware = parseFloat(bytes[19] + '.' + bytes[20]); if (bytes.length >= 26) { data.tempOnBoard = new Int16Array([bytes[21] << 8 | bytes[22]])[0] / 100; data.airPressOnBoard = (bytes[23] << 8 | bytes[24]) data.humidityOnBoard = bytes[25]; } else { data.tempOnBoard = 0.0; data.airPressOnBoard = 0.0; data.humidityOnBoard = 0.0; } if (bytes.length >= 30) { data.resistance = (bytes[26] << 24 | bytes[27] << 16 | bytes[28] << 8 | bytes[29]); } else { data.resistance = 0.0; } return { "ts": ts, "values": data }; } function decodeUplink(input) { switch (input.fPort) { case 152: var decoded = decodeBytesMeasurement(input.bytes); return { // Decoded data data: { time_stamp: decoded.ts, soil_temperature: decoded.values.tempOffBoard, soil_moisture: decoded.values.waterPotOffBoard, soil_resistance: decoded.values.resistance, ambient_temperature: decoded.values.tempOnBoard, ambient_humidity: decoded.values.humidityOnBoard, ambient_pressure: decoded.values.airPressOnBoard, latitude: decoded.values.lat, longitude: decoded.values.long, battery: decoded.values.batteryCharge }, }; default: return { errors: ['unknown FPort'], }; } }