Sistema de monitoramento de saúde
Tempo de leitura: 8 minutes
ESP32 + LM35 + MAX30102 +Firebase-database + Flutter
Arduino path
Firebase
devices
Apps
Código Fonte (Arduino)
#define analogTem 35
#include <WiFi.h>
#include <Wire.h>
#include <FirebaseESP32.h>
#include "MAX30105.h"
#include "heartRate.h"
#define WIFI_SSID "godusevpn" // Change the name of your WIFI
#define WIFI_PASSWORD "dsa21413" // Change the password of your WIFI
#define FIREBASE_HOST "https://fyp-test-c34d8-default-rtdb.firebaseio.com/"
#define FIREBASE_Authorization_key "w5kidxuOqHNKtMB4EbhEJuF8lFAyXhLKJGfypMXV"
MAX30105 particleSensor;
const byte RATE_SIZE = 4; //Increase this for more averaging. 4 is good.
byte rates[RATE_SIZE]; //Array of heart rates
byte rateSpot = 0;
long lastBeat = 0; //Time at which the last beat occurred
float beatsPerMinute;
float BPM = 0;
int beatAvg;
int Avg =0;
FirebaseData firebaseData;
FirebaseJson json;
uint32_t tsLastReport = 0;
void onBeatDetected(){
Serial.println("Beat Detected!");
}
void connectToNetwork(){
Serial.println("Connected to network");
Serial.println(WIFI_SSID);
WiFi.begin(WIFI_SSID, WIFI_PASSWORD);
while (WiFi.status() != WL_CONNECTED){
delay(500);
Serial.println("Establishing connection to WiFi..");
}
Serial.print("IP Address: ");
Serial.println(WiFi.localIP());
}
void MAX30102pox(){
if (!particleSensor.begin(Wire, I2C_SPEED_FAST)){ //Use default I2C port, 400kHz speed
Serial.println("MAX30105 was not found. Please check wiring/power. ");
while (1);
}
Serial.println("Place your index finger on the sensor with steady pressure.");
particleSensor.setup(); //Configure sensor with default settings
particleSensor.setPulseAmplitudeRed(0x0A); //Turn Red LED to low to indicate sensor is running
particleSensor.setPulseAmplitudeGreen(0); //Turn off Green LED
}
void setup(){
Serial.begin(115200);
//wifi connect____________________________________________
connectToNetwork();
//MAX30102 connect________________________________________
MAX30102pox();
//firebase connect________________________________________
Firebase.begin(FIREBASE_HOST,FIREBASE_Authorization_key);
}
void loop(){
long irValue = particleSensor.getIR();
int TemRawValue = analogRead(analogTem);
float Voltage = TemRawValue * (1330 / 1024.0);//3.3V and arm 1330
float TempData = Voltage * 0.1;
if (checkForBeat(irValue) == true){
long delta = millis() - lastBeat;
lastBeat = millis();
//Serial.println(delta);//hand base 2000-3000
beatsPerMinute =60/(delta / 3800.0);//org 1000 testing 3000
//Firebase.setFloat(firebaseData,"/ESP32/BPM", beatsPerMinute);
if (beatsPerMinute < 255 && beatsPerMinute > 20){
rates[rateSpot++] = (byte)beatsPerMinute; //Store this reading in the array
rateSpot %= RATE_SIZE; //Wrap variable
beatAvg = 0;//Take average of reading
for (byte x = 0 ; x < RATE_SIZE ; x++)
beatAvg += rates[x];
beatAvg /= RATE_SIZE;
Firebase.setFloat(firebaseData,"/ESP32/Avg", beatAvg);
Firebase.setFloat(firebaseData,"/ESP32/Temperature", TempData);
}
}
Serial.print(beatsPerMinute);
Serial.println("bpm");
Serial.print(beatAvg);
Serial.println("avg bpm");
Serial.print(TempData,1);
Serial.println(" \xC2\xB0 C");
}Código Fonte Flutter
main.dart
import 'package:flutter/material.dart';
import 'package:firebase_core/firebase_core.dart';
import './DataDisplay.dart';
import 'package:testingesp32/DataDisplay.dart';
import 'package:flutter/cupertino.dart';
import 'package:adaptive_theme/adaptive_theme.dart';
void manin() async{
WidgetsFlutterBinding.ensureInitialized();
await Firebase.initializeApp();
runApp(MyApp());
}
class MyApp extends StatelessWidget {
@override
Widget build(BuildContext context) {
return AdaptiveTheme(
light: ThemeData(
brightness: Brightness.light,
primarySwatch: Colors.grey,
accentColor: Colors.black,
),
dark: ThemeData(
brightness: Brightness.dark,
primarySwatch: Colors.grey,
accentColor: Colors.black,
),
initial: AdaptiveThemeMode.light,
builder: (theme, darkTheme) => MaterialApp(
title: 'Adaptive Theme Demo',
theme: theme,
darkTheme: darkTheme,
debugShowCheckedModeBanner: false,
home: DisplayPage(),
),
);
}
}
stringValue.dart
import 'package:flutter/material.dart';
String theLocate ="en";
double textSizeValue =24;
String systemText(String text) {
return Strings().getText(text);
}
TextStyle getTextSetting(double size) {
return Strings().getTextStyle();
}
class Strings {
String getText(String text) {
switch (theLocate) {
// eng ==================================================================================================================
case 'en':
switch (text) {
case 'title':
return 'Welcome to Health Monitor System';
break;
case 'Login':
return 'Login in database';
break;
case 'apptitle':
return 'Health Monitor App';
break;
case 'bpmtitle':
return 'Heart Bit bpm';
break;
case 'temptitle':
return 'Body Temperature';
break;
case 'nowtempis':
return 'Now Temperature ';
break;
case 'nowbpm':
return 'Now Heart bit ';
break;
case '°C':
return '°C';
break;
case 'bpm':
return 'bpm';
break;
case 'Language':
return 'Language Setting';
break;
case 'english':
return 'English';
break;
case 'chinese':
return 'Chinese';
break;
case 'AppTitle':
return 'Health Monitor System';
break;
case 'settingPage':
return 'Main Setting';
break;
case 'Other Setting':
return 'Other Setting';
break;
case 'close':
return 'Close';
break;
case 'fontsize':
return 'Text Size';
break;
case 'small':
return 'S';
break;
case 'medium':
return 'M';
break;
case 'large':
return 'L';
break;
case 'mode':
return 'Light Theme';
break;
case 'lightmode':
return 'Light';
break;
case 'darkmode':
return 'Dark';
break;
case 'call':
return 'Ask for help';
break;
default:
return 'error';
break;
}
break;
// zh locate ==================================================================================================================
case 'zh':
switch (text) {
case 'AppTitle':
return '健康監測系統';
break;
case 'bpm':
return ' ';
break;
case 'bpmtitle':
return '心跳率監測';
break;
case 'nowbpm':
return '現在心跳率每分鐘';
break;
case 'temp':
return '體溫';
break;
case '°C':
return '度';
break;
case 'temptitle':
return '體溫監測';
break;
case 'nowtempis':
return '現在體溫';
break;
case 'Language':
return '語言設定';
break;
case 'english':
return '英文';
break;
case 'chinese':
return '中文';
break;
case 'fontsize':
return '字體大小';
break;
case 'small':
return '小';
break;
case 'medium':
return '中';
break;
case 'large':
return '大';
break;
case 'textmode':
return '文本模式';
break;
case 'Other Setting':
return '其他設定';
break;
case 'settingPage':
return '主要設定';
break;
case 'mode':
return '顯示模式';
break;
case 'lightmode':
return '亮模式';
break;
case 'darkmode':
return '深色模式';
break;
case 'close':
return '關閉';
break;
case 'call':
return '尋求幫助';
break;
default:
return '文字出現錯誤';
break;
}
break;
// default ==================================================================================================================
default:
switch (text) {
case 'welcome':
return 'welcome';
break;
default:
return 'error';
break;
}
break;
}
}
TextStyle getTextStyle() {
return TextStyle(fontSize: textSizeValue);
}
Color getThemeTextColor(String theme) {
if (theme == 'light') {
return Colors.black;
} else if (theme == 'dark') {
return Colors.white;
}
return Colors.white;
}
}
class ThemeChanger with ChangeNotifier {
Brightness _themeData;
double _textFont;
String _displayList;
int _sortedNumber;
ThemeChanger(this._themeData, this._textFont);
getTheme() => _themeData;
getTextFont() => _textFont;
getDisplayList() => _displayList;
getSortedNumber () => _sortedNumber;
setSortedNumber (int sortedNumber) {
_sortedNumber = sortedNumber;
notifyListeners();
}
setTheme(Brightness theme) {
_themeData = theme;
notifyListeners();
}
setTextFont(double textFont) {
_textFont = textFont;
notifyListeners();
}
setDisplayList(String displayList) {
_displayList = displayList;
notifyListeners();
}
}dataHandle.dart
class ESP{
final double temp;
final double avg;
final double bpm;
ESP({this.temp, this.avg,this.bpm});
factory ESP.fromJson(Map<dynamic,dynamic> json){
double dataValue(dynamic source){
try{
return double.parse(source.toString());
} on FormatException{
return -1;
}
}
return ESP(
temp: dataValue(json['Temperature']),
bpm: dataValue(json['BPM']),
avg: dataValue(json['Avg']));
}
}DataDisplay.dart
import 'package:firebase_auth/firebase_auth.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_icons/flutter_icons.dart';
import 'package:firebase_database/firebase_database.dart';
import 'package:flutter_animation_progress_bar/flutter_animation_progress_bar.dart';
import '/dataHandle.dart';
import 'package:oscilloscope/oscilloscope.dart';
import 'package:testingesp32/stringValue.dart';
import 'package:adaptive_theme/adaptive_theme.dart';
class DisplayPage extends StatefulWidget {
final Widget Function(BuildContext context,Brightness brightness) builder;
DisplayPage({this.builder});
@override
_DisplayPageState createState() => _DisplayPageState();
}
class _DisplayPageState extends State<DisplayPage> with SingleTickerProviderStateMixin{
TabController _tabController;
int tabSet = 0;
int _radioModeValue;
int _radioTextValue;
int _radioLanguageValue;
double textSizeChange = 1;
final FirebaseAuth _auth =FirebaseAuth.instance;
DatabaseReference _espRef = FirebaseDatabase.instance.ref().child('ESP32');
bool _login;
// ignore: deprecated_member_use
List<double> traceDustTemp =List();
// ignore: deprecated_member_use
List<double> traceDustBpm =List();
@override
void initState() {
// TODO: implement initState
setState(() {
_radioModeValue = 0;
_radioTextValue = 1;
_radioLanguageValue = 1;
});
super.initState();
_tabController= TabController(length: 3, vsync: this);
_login =false;
}
@override
Widget build(BuildContext context) {
return _login ? firstScaffold() : logInScaffold();
}
Widget firstScaffold(){
return Scaffold(
appBar: AppBar(
title: Text(systemText("AppTitle"),
style: TextStyle(fontSize: 22*textSizeChange),
),
bottom: TabBar(
indicatorColor: Colors.cyanAccent,
indicatorSize: TabBarIndicatorSize.label,
controller: _tabController,
onTap: (int index){setState(() {tabSet = index;});},
tabs: [
Tab(icon: Icon(MaterialCommunityIcons.temperature_celsius),),
Tab(icon: Icon(Icons.favorite),),
Tab(icon: Icon(Icons.settings),)
],
),
),
body: StreamBuilder(
stream: _espRef.onValue,
builder: (context, snapshot) {
if (snapshot.hasData &&
!snapshot.hasError &&
snapshot.data.snapshot.value != null){
print("snapshot data:${snapshot.data.snapshot.value.toString()}");
var _esp =ESP.fromJson(snapshot.data.snapshot.value);
print("ESP json data :${_esp.temp}/${_esp.bpm}/${_esp.avg}");
traceDustTemp.add(double.tryParse(_esp.temp.toStringAsFixed(1)) ?? 0);
traceDustBpm.add(double.tryParse(_esp.avg.toStringAsFixed(0)) ?? 0);
return IndexedStack(
index: tabSet,
children: [_tempUI(_esp),_bpmUI(_esp),_settingUI(_esp),],
);
}else{
return Center(
child: Text("NO DATA YET"),
);
}
}
),
);
}
static const Radius _borderRadius = const Radius.circular(50);
Widget _tempUI(ESP _esp){
Oscilloscope vied = Oscilloscope(
showYAxis: true,
margin: EdgeInsets.all(20.10),
strokeWidth: 5,
backgroundColor: Colors.grey,
traceColor: Colors.red,
yAxisMax: 45.0,
yAxisMin: 30.0,
dataSet: traceDustTemp,
);
return Center(
child:Column(
children: [
Container(
padding: const EdgeInsets.only(top: 50),
child: Text(systemText("temptitle"),
style: TextStyle(fontWeight: FontWeight.bold,
fontSize: 30 *textSizeChange
),
),
),
Expanded(
flex: 1,
child: Padding(
padding: const EdgeInsets.symmetric(vertical: 20),
child: Row(
children:<Widget>[
Container(
width: 200,
margin: EdgeInsets.all(40),
child: vied,
),
FAProgressBar(
direction: Axis.vertical,
verticalDirection: VerticalDirection.up,
currentValue:_esp.temp,
progressColor: Colors.green,
backgroundColor: Colors.grey,
changeProgressColor: Colors.red,
size: 80,
maxValue: 50,
changeColorValue: 41,
displayText: " °C",
borderRadius: BorderRadius.all(_borderRadius),
animatedDuration: Duration(milliseconds: 1000),
),
]
),
),
),
Container(
padding: const EdgeInsets.only(bottom: 50),
child: Text('${systemText('nowtempis')}'
'${_esp.temp.toStringAsFixed(1)} ${systemText('°C')}',
style: TextStyle(fontWeight: FontWeight.bold,fontSize: 30* textSizeChange),
),
),
],
)
);
}
Widget _bpmUI(ESP _esp){
Oscilloscope ibp = Oscilloscope(
showYAxis: true,
margin: EdgeInsets.all(20.10),
strokeWidth: 5,
backgroundColor: Colors.grey,
traceColor: Colors.red,
yAxisMax: 200.0,
yAxisMin: 20.0,
dataSet: traceDustBpm,
);
return Center(
child:Column(
children: [
Container(
padding: const EdgeInsets.only(top:50),
child: Text(systemText("bpmtitle"),
style: TextStyle(fontWeight: FontWeight.bold,
fontSize: 30 *textSizeChange),
),
),
Expanded(
flex: 1,
child: Padding(
padding: const EdgeInsets.symmetric(vertical: 20),
child: Row(
children:<Widget>[
Container(
width: 200,
margin: EdgeInsets.all(40),
child: ibp,
),
FAProgressBar(
direction: Axis.vertical,
verticalDirection: VerticalDirection.up,
currentValue:_esp.avg,
progressColor: Colors.pink,
backgroundColor: Colors.grey,
changeProgressColor: Colors.red,
size: 80,
maxValue: 180,
changeColorValue: 105,//5 value change
displayText: "bpm",
borderRadius: BorderRadius.all(_borderRadius),
animatedDuration: Duration(milliseconds: 1000),
),
],
)
),
),
Container(
padding: const EdgeInsets.only(bottom: 50),
child: Text('${systemText('nowbpm')} '
'${_esp.avg.toStringAsFixed(0)} ${systemText('bpm')}',
style: TextStyle(
fontWeight: FontWeight.bold,
fontSize: 30* textSizeChange
),
),
),
],
)
);
}
Widget _settingUI(ESP _esp){
return Scaffold(
body: Container(
padding: const EdgeInsets.all(10),
child: ListView(
children: [
SizedBox(height: 40),
Row(
children: [
Icon(Icons.settings, color: Colors.indigoAccent,),
SizedBox(width: 10),
Text(systemText("settingPage"),
style: TextStyle(
fontSize: 24 * textSizeChange,
fontWeight: FontWeight.bold,
letterSpacing: 1.2
),
)
],
),
Divider(height: 20, thickness: 1),
SizedBox(height: 10),
//buildSetting(context, "Content Settings"),
buildSetting(context, systemText("Language")),
SizedBox(height: 20),
Row(
children: [
Icon(Icons.settings, color: Colors.indigoAccent,),
SizedBox(width: 10),
Text(systemText("Other Setting"),
style: TextStyle(
fontSize: 24 *textSizeChange,
fontWeight: FontWeight.bold,
letterSpacing: 1.2
),
)
],
),
Divider(height: 20, thickness: 1),
SizedBox(height: 10),
Row(
children: <Widget>[
Container(
height: 50,
margin: EdgeInsets.all(10),
//width: 110,
child: Text(
systemText('fontsize'),
textAlign: TextAlign.center,
style: TextStyle(
fontSize: 20 *textSizeChange
),
),
alignment: Alignment(0.0, 0.0),
),
Container(
height: 30,
margin: EdgeInsets.all(20),
child: Row(
children: <Widget>[
Text(systemText('small'),
style: TextStyle(fontSize: 16 *textSizeChange),
),
new Radio(
value: 0,
groupValue: _radioTextValue,
onChanged: _handleRadioTextValueChange,
),
Text(systemText('medium'),
style: TextStyle(fontSize: 20 *textSizeChange),
),
new Radio(
value: 1,
groupValue: _radioTextValue,
onChanged: _handleRadioTextValueChange,
),
Text(systemText('large'),
style: TextStyle(fontSize: 22 *textSizeChange),
),
new Radio(
value: 2,
groupValue: _radioTextValue,
onChanged: _handleRadioTextValueChange,
),
],
),
),
],
),
SizedBox(height: 20),
Row(
children: <Widget>[
Container(
margin: EdgeInsets.all(10),
//height: 60,
//width: 80,
child: Text(
systemText('mode'),
textAlign: TextAlign.center,
style: TextStyle(fontSize: 20*textSizeChange),
),
alignment: Alignment(0.0, 0.0),
),
Container(
height: 30,
decoration: BoxDecoration(
//border: Border.all(width: 2.8, color: Colors.red),
borderRadius: BorderRadius.circular(12)),
child: Row(
children: <Widget>[
Text(systemText('lightmode'),
style: TextStyle(fontSize: 18*textSizeChange),),
new Radio(
value: 0,
groupValue: _radioModeValue,
onChanged: _handleRadioModeValueChange,
),
Text(systemText('darkmode'),
style: TextStyle(fontSize: 18*textSizeChange),),
new Radio(
value: 1,
groupValue: _radioModeValue,
onChanged: _handleRadioModeValueChange,
),
],
),
),
],
),
Center(
child: OutlinedButton(
style:OutlinedButton.styleFrom(
padding: const EdgeInsets.symmetric(horizontal: 40),
shape: RoundedRectangleBorder(
borderRadius: BorderRadius.circular(20)
)
),
onPressed: (){},
child: Text(systemText("call"),
style: TextStyle(
fontSize: 16* textSizeChange,
letterSpacing: 2.2,
//color: Colors.black
),),
),
)
],
),
),
);
}
GestureDetector buildSetting(BuildContext context, String title){
return GestureDetector(
onTap: (){
showDialog(context: context, builder: (BuildContext context){
return AlertDialog(
title: Text(title,style: TextStyle(fontSize: 22*textSizeChange),),
content: Column(
mainAxisSize: MainAxisSize.min,
children: [
Row(
children: <Widget>[
Container(
margin: EdgeInsets.all(5),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(12)),
child: Row(
children: <Widget>[
Text(systemText('chinese')),
new Radio(
value: 0,
groupValue: _radioLanguageValue,
onChanged: _handleRadioLanguageValueChange,
),
Text(systemText('english')),
new Radio(
value: 1,
groupValue: _radioLanguageValue,
onChanged: _handleRadioLanguageValueChange,
),
],
),
)
],
)
],
),
actions: [
TextButton(
onPressed: (){
Navigator.of(context).pop();
},
child: Text(systemText("close")))
],
);
});
},
child: Padding(
padding: const EdgeInsets.symmetric(vertical: 8,horizontal: 20),
child: Row(
mainAxisAlignment: MainAxisAlignment.spaceBetween,
children: [
Text(title,style: TextStyle(
fontSize: 20* textSizeChange,
fontWeight: FontWeight.w500,
)),
Icon(Icons.arrow_forward,color: Colors.grey)
],
),
),
);
}
Widget logInScaffold(){
return Scaffold(
body: Center(
child: Column(
mainAxisAlignment: MainAxisAlignment.center,
children: [Text(systemText("title"),
style: TextStyle(fontWeight :FontWeight.bold, fontSize: 20),
),
SizedBox(height: 50,),
ElevatedButton(
child: Text(systemText('Login'),
style: TextStyle(fontSize: 20),
),
style: ElevatedButton.styleFrom(
shape: new RoundedRectangleBorder(
borderRadius: BorderRadius.circular(20),
side: BorderSide(color: Colors.black)
)),
onPressed: ()async{
_signIn();
},
)],
),
),
);
}
void _signIn() async {
final User user = (await _auth.signInAnonymously()).user;
print("*** user isAnonymous: ${user.isAnonymous}");
print("*** user uid: ${user.uid}");
setState(() {
if (user != null) {
_login = true;
} else {
_login = false;
}
});
}
void _handleRadioModeValueChange(int value){
setState(() {
_radioModeValue =value;
if(_radioModeValue == 0){
AdaptiveTheme.of(context).setLight();
}else if(_radioModeValue ==1){
AdaptiveTheme.of(context).setDark();
}
});
}
void _handleRadioTextValueChange(int value) {
setState(() {
_radioTextValue = value;
if (_radioTextValue == 0) {
return textSizeChange =0.8;
} else if (_radioTextValue == 1) {
return textSizeChange =1;
} else if (_radioTextValue == 2) {
return textSizeChange =1.2;
}
});
}
void _handleRadioLanguageValueChange(int value) {
setState(() {
_radioLanguageValue = value;
if (_radioLanguageValue == 0) {
setState(() {
theLocate = 'zh';
});
} else if (_radioLanguageValue == 1) {
setState(() {
theLocate = 'en';
});
}
});
}
}
pubspec.yaml
name: testingesp32
description: A new Flutter application.
publish_to: 'none' # Remove this line if you wish to publish to pub.dev
version: 1.0.0+1
environment:
sdk: ">=2.7.0 <3.0.0"
dependencies:
flutter:
sdk: flutter
cupertino_icons: ^1.0.2
firebase_auth: ^3.0.0
firebase_database: ^9.0.7
google_sign_in: ^5.1.0
flutter_animation_progress_bar: ^2.1.1
flutter_icons: ^1.1.0
oscilloscope: ^0.2.0+1
adaptive_theme: ^2.3.1
dev_dependencies:
flutter_test:
sdk: flutter
firebase_core : ^1.10.0
flutter:
uses-material-design: true
