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index.js
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index.js
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var noble = require('noble');
var connectToPeripheral = function(callback){
noble.on('stateChange', function(state) {
if (state === 'poweredOn') {
noble.startScanning([], false);
} else {
noble.stopScanning();
}
});
noble.on('discover', function(peripheral) {
var n = peripheral.advertisement.localName;
if(peripheral.advertisement.localName)
var i = peripheral.advertisement.localName.indexOf('Angel');
if(peripheral.advertisement.localName && peripheral.advertisement.localName.indexOf('Angel')>-1){
peripheral.connect(function(error) {
console.log('connected to peripheral: ' + peripheral.uuid + ' : ' + peripheral.advertisement.localName);
callback(error, peripheral);
// getStepCount(peripheral, function(error, stepCount){
// console.log(stepCount);
// });
});
}
});
}
var getStepCount = function(peripheral, callback){
var serviceUuids=['68b527384a0440e18f83337a29c3284d'];
var characteristicUuids=['7a5433056b9e4878ad6729c5a9d99736'];
peripheral.discoverSomeServicesAndCharacteristics(serviceUuids, characteristicUuids, function(error, services, characteristics){
if(error){
callback(error, null);
}
else{
var stepCharacteristic = characteristics[0];
stepCharacteristic.read(function(error, data){
if(error){
callback(error, null);
}
else{
callback(null, data[0])
}
});
}
});
}
var getHeartRate = function(peripheral, callback){
var serviceUuids=['180D'];
var characteristicUuids=['2a37'];
peripheral.discoverSomeServicesAndCharacteristics(serviceUuids, characteristicUuids,function(error, services, characteristics){
if(error){
callback(error, null);
}
else{
var heartCharacteristic = characteristics[0];
heartCharacteristic.on('read', function(data, isNotification) {
callback(null, data[1]);
});
heartCharacteristic.notify(true, function(error) {
console.log('heart rate notification on');
});
}
});
}
var getBloodOx= function(peripheral, callback){
var serviceUuids=['902dcf38ccc04902b22c70cab5ee5df2'];
var characteristicUuids=['b269c33fdf6b4c32801d1b963190bc71'];
peripheral.discoverSomeServicesAndCharacteristics(serviceUuids, characteristicUuids,function(error, services, characteristics){
if(error){
callback(error, null);
}
else{
var bloodCharacteristic = characteristics[0];
bloodCharacteristic.on('read', function(data, isNotification) {
callback(null, data[1]);
});
bloodCharacteristic.notify(true, function(error) {
console.log('blood ox notification on');
});
}
});
}
connectToPeripheral(function(error, peripheral){
if(error)
console.log(error);
getStepCount(peripheral, function(error, stepCount){
if(error)
console.log(error);
console.log('Step Count: ' + stepCount);
getBloodOx(peripheral, function(error, heartRate){
if(error)
console.log(error);
console.log('Heart Rate: ' + heartRate);
});
});
});
// noble.on('discover', function(peripheral) {
// //console.log('Found device with local name: ' + peripheral.advertisement.localName);
// if(peripheral.advertisement.localName==='Angel Sensor 06753'){
// peripheral.connect(function(error) {
// console.log('connected to peripheral: ' + peripheral.uuid);
// if(error){
// console.log('Error is: ' + error);
// }
// getStepCount(peripheral, function(error, stepCount){
// console.log(stepCount);
// });
// });
// }
// });