node.jsによるTIセンサーの受信
OpenBlocks IoT BX1とインテルEdison KitでTI社製のCC2541 SensorTagを使用するためにnode-sensortagを使用します。
node-sensortagを使用することで以下の情報が取得できます。
IR Temperature Sensor(温度)
Accelerometer(加速度)
Humidity Sensor(湿度)
Magnetometer(磁気)
Barometric Pressure Sensor(気圧)
Gyroscope(ジャイロ)
1. node-sensortagのインストール
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# npm install node-sensortag |
2. 受信プログラム
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var async = require('async'); var SensorTag = require("sensortag"); SensorTag.discover(function(sensorTag) { sensorTag.on('disconnect', function() { console.log('disconnected!'); process.exit(0); }); console.log('connect'); sensorTag.connect(function() { console.log('discoverServicesAndCharacteristics'); sensorTag.discoverServicesAndCharacteristics(function() { console.log('enableIrTemperature'); sensorTag.enableIrTemperature(function() { console.log('enableAccelerometer'); sensorTag.enableAccelerometer(function() { console.log('enableHumidity'); sensorTag.enableHumidity(function() { console.log('enableMagnetometer'); sensorTag.enableMagnetometer(function() { console.log('enableBarometricPressure'); sensorTag.enableBarometricPressure(function() { console.log('enableGyroscope'); sensorTag.enableGyroscope(function() { setInterval(function() { async.series([ function(callback) { console.log('readDeviceName'); sensorTag.readDeviceName(function(deviceName) { console.log('tdevice name = ' + deviceName); callback(null, deviceName); }); }, function(callback) { console.log('readSystemId'); sensorTag.readSystemId(function(systemId) { console.log('tsystem id = ' + systemId); callback(null, systemId); }); }, function(callback) { console.log('readSerialNumber'); sensorTag.readSerialNumber(function(serialNumber) { console.log('tserial number = ' + serialNumber); callback(null, serialNumber); }); }, function(callback) { console.log('readFirmwareRevision'); sensorTag.readFirmwareRevision(function(firmwareRevision) { console.log('tfirmware revision = ' + firmwareRevision); callback(null, firmwareRevision); }); }, function(callback) { console.log('readHardwareRevision'); sensorTag.readHardwareRevision(function(hardwareRevision) { console.log('thardware revision = ' + hardwareRevision); callback(null, hardwareRevision); }); }, function(callback) { console.log('readSoftwareRevision'); sensorTag.readHardwareRevision(function(softwareRevision) { console.log('tsoftware revision = ' + softwareRevision); callback(null, softwareRevision); }); }, function(callback) { console.log('readManufacturerName'); sensorTag.readManufacturerName(function(manufacturerName) { console.log('tmanufacturer name = ' + manufacturerName); callback(null, manufacturerName); }); }, function(callback) { console.log('readIrTemperature'); sensorTag.readIrTemperature(function(objectTemperature, ambientTemperature) { console.log('tobject temperature = %d °C', objectTemperature.toFixed(1)); console.log('tambient temperature = %d °C', ambientTemperature.toFixed(1)); var obj = Object(); obj['objectTemperature'] = objectTemperature; obj['ambientTemperature'] = ambientTemperature; callback(null, obj); }); }, function(callback) { console.log('readAccelerometer'); sensorTag.readAccelerometer(function(x, y, z) { console.log('tx = %d G', x.toFixed(1)); console.log('ty = %d G', y.toFixed(1)); console.log('tz = %d G', z.toFixed(1)); var obj = Object(); obj['Accelerometer_x'] = x; obj['Accelerometer_y'] = y; obj['Accelerometer_z'] = z; callback(null, obj); }); }, function(callback) { console.log('readHumidity'); sensorTag.readHumidity(function(temperature, humidity) { console.log('ttemperature = %d °C', temperature.toFixed(1)); console.log('thumidity = %d %', humidity.toFixed(1)); var obj = Object(); obj['temperature'] = temperature; obj['humidity'] = humidity; callback(null, obj); }); }, function(callback) { console.log('readMagnetometer'); sensorTag.readMagnetometer(function(x, y, z) { console.log('tx = %d μT', x.toFixed(1)); console.log('ty = %d μT', y.toFixed(1)); console.log('tz = %d μT', z.toFixed(1)); var obj = Object(); obj['Magnetometer_x'] = x; obj['Magnetometer_y'] = y; obj['Magnetometer_z'] = z; callback(null, obj); }); }, function(callback) { console.log('readBarometricPressure'); sensorTag.readBarometricPressure(function(pressure) { console.log('tpressure = %d mBar', pressure.toFixed(1)); var obj = Object(); obj['pressure'] = pressure; callback(null, obj); }); }, function(callback) { console.log('readGyroscope'); sensorTag.readGyroscope(function(x, y, z) { console.log('tx = %d °/s', x.toFixed(1)); console.log('ty = %d °/s', y.toFixed(1)); console.log('tz = %d °/s', z.toFixed(1)); var obj = Object(); obj['Gyroscope_x'] = x; obj['Gyroscope_y'] = y; obj['Gyroscope_z'] = z; callback(null, obj); }); } ], function(err, results) { console.log('results'); console.log(results); } ); }, 1000*10); }); }); }); }); }); }); }); }); }); |
※setIntervalの設定値(10秒)に一度データを取得します
※node-sensortagのサンプルプログラムを修正して使用
3. 動作確認
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# node プログラム名 |
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connect discoverServicesAndCharacteristics enableIrTemperature enableAccelerometer enableHumidity enableMagnetometer enableBarometricPressure enableGyroscope readDeviceName device name = TI BLE Sensor Tag readSystemId system id = XX:XX:XX:XX:XX:XX:XX:XX readSerialNumber serial number = N.A. readFirmwareRevision firmware revision = 1.4 (Jul 12 2013) readHardwareRevision hardware revision = N.A. readSoftwareRevision software revision = N.A. readManufacturerName manufacturer name = Texas Instruments readIrTemperature object temperature = 13.4 °C ambient temperature = 17.8 °C readAccelerometer x = 0.1 G y = -1 G z = 0 G readHumidity temperature = 18.3 °C humidity = 56 % readMagnetometer x = -8.5 μT y = 36.2 μT z = 11.4 μT readBarometricPressure pressure = 1024.9 mBar readGyroscope x = -8 °/s y = 0.4 °/s z = 0.8 °/s results [ 'TI BLE Sensor Tag', 'XX:XX:XX:XX:XX:XX:XX:XX', 'N.A.u0000', '1.4 (Jul 12 2013)u0000', 'N.A.u0000', 'N.A.u0000', 'Texas Instrumentsu0000', { objectTemperature: 13.44605725804405, ambientTemperature: 17.8125 }, { Accelerometer_x: 0.078125, Accelerometer_y: -0.953125, Accelerometer_z: 0.03125 }, { temperature: 18.30496826171875, humidity: 55.97357177734375 }, { Magnetometer_x: -8.514404296875, Magnetometer_y: 36.163330078125, Magnetometer_z: 11.3525390625 }, { pressure: 1024.8881179531002 }, { Gyroscope_x: -8.04901123046875, Gyroscope_y: 0.3509521484375, Gyroscope_z: 0.77056884765625 } ] |