اندازه‌گیری ضربان قلب و اکسیژن خون و نمایش بر روی وب سرور توسط حسگر MAX۳۰۱۰۲ و برد Wemos Lolin۳۲ (OLED)

#include <ESP8266WiFi.h> // Include the Wi-Fi library

const char* ssid = “SSID”; // The SSID (name) of the Wi-Fi network you want to connect to

const char* password = “PASSWORD”; // The password of the Wi-Fi network

void setup() {

Serial.begin(115200); // Start the Serial communication to send messages to the computer

delay(10);

Serial.println(‘\n’);

WiFi.begin(ssid, password); // Connect to the network Serial.print(“Connecting to “);

Serial.print(ssid);

Serial.println(” …”);

int i = 0;

while (WiFi.status() != WL_CONNECTED)

{ // Wait for the Wi-Fi to connect

delay(1000);

Serial.print(++i);

Serial.print(‘ ‘); }

Serial.println(‘\n’);

Serial.println(“Connection established!”);

Serial.print(“IP address:\t”);

Serial.println(WiFi.localIP()); // Send the IP address of the ESP8266 to the computer

}

void loop() { }

#include <ESP8266WiFi.h> // Include the Wi-Fi library

const char *ssid = “ESP8266 Access Point”; // The name of the Wi-Fi network that will be created

const char *password = “thereisnospoon”; // The password required to connect to it, leave blank for an open network

void setup()

{ Serial.begin(115200);

delay(10);

Serial.println(‘\n’);

WiFi.softAP(ssid, password); // Start the access point

Serial.print(“Access Point \””);

Serial.print(ssid);

Serial.println(“\” started”);

Serial.print(“IP address:\t”);

Serial.println(WiFi.softAPIP()); // Send the IP address of the ESP8266 to the computer

}

void loop() { }

#include <ESP8266WiFi.h>

#include <WiFiClient.h>

#include <ESP8266WebServer.h>   // Include the WebServer library

const char* ssid     = “SSID”;         // The SSID (name) of the Wi-Fi network you want to connect to

const char* password = “PASSWORD”;     // The password of the Wi-Fi network

ESP8266WebServer server(80);    // Create a webserver object that listens for HTTP request on port 80

void handleRoot();              // function prototypes for HTTP handlers

void handleNotFound();

void setup(void){

  Serial.begin(115200);         // Start the Serial communication to send messages to the computer

  delay(10);

  Serial.println(‘\n’);

  WiFi.begin(ssid, password);             // Connect to the network

  Serial.print(“Connecting to “);

  Serial.print(ssid); Serial.println(” …”);

  int i = 0;

  while (WiFi.status() != WL_CONNECTED) { // Wait for the Wi-Fi to connect

    delay(1000);

    Serial.print(++i); Serial.print(‘ ‘);

  }

  Serial.println(‘\n’);

  Serial.println(“Connection established!”);

  Serial.print(“IP address:\t”);

  Serial.println(WiFi.localIP());         // Send the IP address of the ESP8266 to the computer

}

  server.on(“/”, handleRoot);               // Call the ‘handleRoot’ function when a client requests URI “/”

  server.onNotFound(handleNotFound);        // When a client requests an unknown URI (i.e. something other than “/”), call function “handleNotFound”

  server.begin();                           // Actually start the server

  Serial.println(“HTTP server started”);

}

void loop(void){

  server.handleClient();                    // Listen for HTTP requests from clients

}

void handleRoot() {

  server.send(200, “text/plain”, “Hello world!”);   // Send HTTP status 200 (Ok) and send some text to the browser/client

}

void handleNotFound(){

  server.send(404, “text/plain”, “404: Not found”); // Send HTTP status 404 (Not Found) when there’s no handler for the URI in the request

}

#include <WiFi.h>

#include <WebServer.h>

#include <DFRobot_MAX30102.h>

#include <WebSocketsServer.h>

DFRobot_MAX30102 particleSensor;

/*Put your SSID & Password*/

const char* ssid = “PORTAL”;  // Enter SSID here

const char* password = “goodlife”;  //Enter Password here

long sensorUpdateFrequency = 4000;

long timeNow = 0;

long timePrev = 0;

WebServer server(80);

WebSocketsServer webSocket = WebSocketsServer(81);

void onBeatDetected()

{

  Serial.println(“Beat!”);

}

void setup() {

  Serial.begin(115200);

  Wire.begin(5, 4);

  //pinMode(19, OUTPUT);

  delay(100);

  Serial.println(“Connecting to “);

  Serial.println(ssid);

  //connect to your local wi-fi network

  WiFi.begin(ssid, password);

  //check wi-fi is connected to wi-fi network

  while (WiFi.status() != WL_CONNECTED) {

  delay(1000);

  Serial.print(“.”);

  }

  Serial.println(“”);

  Serial.println(“WiFi connected..!”);

  Serial.print(“Got IP: “);  Serial.println(WiFi.localIP());

  server.on(“/”, handle_OnConnect);

  server.onNotFound(handle_NotFound);

  server.begin();

  Serial.println(“HTTP server started”);

  webSocket.begin();

  Serial.println(“websocket started”);

  Serial.print(“Initializing pulse oximeter..”);

   // Initialize sensor

  if (!particleSensor.begin()) //Use default I2C port, 400kHz speed

  {

    Serial.println(“MAX30105 was not found. Please check wiring/power. “);

    while (1);

  }

  particleSensor.sensorConfiguration(/*ledBrightness=*/50, /*sampleAverage=*/SAMPLEAVG_4, \

                        /*ledMode=*/MODE_MULTILED, /*sampleRate=*/SAMPLERATE_100, \

                        /*pulseWidth=*/PULSEWIDTH_411, /*adcRange=*/ADCRANGE_16384);

  // Register a callback for the beat detection

}

int32_t SPO2; //SPO2

int8_t SPO2Valid; //Flag to display if SPO2 calculation is valid

int32_t heartRate; //Heart-rate

int8_t heartRateValid; //Flag to display if heart-rate calculation is valid

void loop() {

  server.handleClient();

  webSocket.loop();

  timeNow = millis();

    if (timeNow – timePrev >= sensorUpdateFrequency)

    {

      timePrev = timeNow;

      // if it is time, call the updateSensors() function

      updateSensors();

    }

}

void updateSensors()

{

      Serial.println(F(“Wait about four seconds”));

      particleSensor.heartrateAndOxygenSaturation(/**SPO2=*/&SPO2, /**SPO2Valid=*/&SPO2Valid, /**heartRate=*/&heartRate, /**heartRateValid=*/&heartRateValid);

      Serial.print(F(“heartRate=”));

      Serial.print(heartRate, DEC);

      Serial.print(F(“, heartRateValid=”));

      Serial.print(heartRateValid, DEC);

      Serial.print(F(“; SPO2=”));

      Serial.print(SPO2, DEC);

      Serial.print(F(“, SPO2Valid=”));

      Serial.println(SPO2Valid, DEC);

    //if any value is isnan (not a number) then there is an error

    if (isnan(heartRate) || isnan(SPO2))

    {

       Serial.println(“Error reading from the DHT11.”);

    }

   else

   {

      String data = “”;

      data = String(data + heartRate );

      data = String(data + “|”);

      data = String(data + SPO2);

      webSocket.broadcastTXT(data); // send the data

      Serial.println(data);         // display the data in the serial monitor

  }

} // void updateSensors()

void handle_OnConnect() {

  server.send(200, “text/html”, SendHTML());

}

void handle_NotFound(){

  server.send(404, “text/plain”, “Not found”);

}

  String SendHTML(){

  String ptr = R”=====(

<!DOCTYPE html>

<html>

<head>

  <meta name=’viewport’ content=’width=device-width, initial-scale=1.0’/>

  <meta charset=’utf-8′>

  <style>

    html { font-family: ‘Open Sans’, sans-serif; display: block; margin: 0px auto; text-align: center;color: #444444;}

    body{margin: 0px;}

    h1 {margin: 50px auto 30px;}

    .side-by-side{display: table-cell;vertical-align: middle;position: relative;}

    .text{font-weight: 600;font-size: 19px;width: 200px;}

    .reading{font-weight: 300;font-size: 50px;padding-right: 25px;}

    .BPM .reading{color: #FF0000;}

    .SpO2 .reading{color: #955BA5;}

    .superscript{font-size: 17px;font-weight: 600;position: absolute;top: 10px;}

    .data{padding: 10px;}

    .container{display: table;margin: 0 auto;}

    .icon{width:65px}

    h2 {

      font-family: Arial;

      font-size: 2.5rem;

      text-align: center;

    }

  </style>

  <title>ESP8266 Part 10</title>

</head>

<body>

  <div id=’main’>

    <h1>ESP32 Patient Health Monitoring</h1>

    <div class=’container’>

    <div class=’data Heart Rate’>

    <div class=’side-by-side icon’>

    <svg enable-background=’new 0 0 40.542 40.541’height=40.541px id=Layer_1 version=1.1 viewBox=’0 0 40.542 40.541’width=40.542px x=0px xml:space=preserve xmlns=http://www.w3.org/2000/svg xmlns:xlink=http://www.w3.org/1999/xlink y=0px><g><path d=’M34.313,20.271c0-0.552,0.447-1,1-1h5.178c-0.236-4.841-2.163-9.228-5.214-12.593l-3.425,3.424c-0.195,0.195-0.451,0.293-0.707,0.293s-0.512-0.098-0.707-0.293c-0.391-0.391-0.391-1.023,0-1.414l3.425-3.424c-3.375-3.059-7.776-4.987-12.634-5.215c0.015,0.067,0.041,0.13,0.041,0.202v4.687c0,0.552-0.447,1-1,1s-1-0.448-1-1V0.25c0-0.071,0.026-0.134,0.041-0.202C14.39,0.279,9.936,2.256,6.544,5.385l3.576,3.577c0.391,0.391,0.391,1.024,0,1.414c-0.195,0.195-0.451,0.293-0.707,0.293s-0.512-0.098-0.707-0.293L5.142,6.812c-2.98,3.348-4.858,7.682-5.092,12.459h4.804c0.552,0,1,0.448,1,1s-0.448,1-1,1H0.05c0.525,10.728,9.362,19.271,20.22,19.271c10.857,0,19.696-8.543,20.22-19.271h-5.178C34.76,21.271,34.313,20.823,34.313,20.271z M23.084,22.037c-0.559,1.561-2.274,2.372-3.833,1.814c-1.561-0.557-2.373-2.272-1.815-3.833c0.372-1.041,1.263-1.737,2.277-1.928L25.2,7.202L22.497,19.05C23.196,19.843,23.464,20.973,23.084,22.037z’fill=#26B999 /></g></svg>

    </div>

    <div class=’side-by-side text’>Heart Rate</div>

    <div class=’side-by-side reading’>

    <p><span id=’heartRate’>00</span></p>

    <span class=’superscript’>BPM</span></div>

    </div>

    <div class=’data Blood Oxygen’>

    <div class=’side-by-side icon’>

    <svg enable-background=’new 0 0 58.422 40.639’height=40.639px id=Layer_1 version=1.1 viewBox=’0 0 58.422 40.639’width=58.422px x=0px xml:space=preserve xmlns=http://www.w3.org/2000/svg xmlns:xlink=http://www.w3.org/1999/xlink y=0px><g><path d=’M58.203,37.754l0.007-0.004L42.09,9.935l-0.001,0.001c-0.356-0.543-0.969-0.902-1.667-0.902c-0.655,0-1.231,0.32-1.595,0.808l-0.011-0.007l-0.039,0.067c-0.021,0.03-0.035,0.063-0.054,0.094L22.78,37.692l0.008,0.004c-0.149,0.28-0.242,0.594-0.242,0.934c0,1.102,0.894,1.995,1.994,1.995v0.015h31.888c1.101,0,1.994-0.893,1.994-1.994C58.422,38.323,58.339,38.024,58.203,37.754z’fill=#955BA5 /><path d=’M19.704,38.674l-0.013-0.004l13.544-23.522L25.13,1.156l-0.002,0.001C24.671,0.459,23.885,0,22.985,0c-0.84,0-1.582,0.41-2.051,1.038l-0.016-0.01L20.87,1.114c-0.025,0.039-0.046,0.082-0.068,0.124L0.299,36.851l0.013,0.004C0.117,37.215,0,37.62,0,38.059c0,1.412,1.147,2.565,2.565,2.565v0.015h16.989c-0.091-0.256-0.149-0.526-0.149-0.813C19.405,39.407,19.518,39.019,19.704,38.674z’fill=#955BA5 /></g></svg>

    </div>

    <div class=’side-by-side text’>Blood Oxygen</div>

    <div class=’side-by-side reading’>

    <p><span id=’SPO2′>00</span></p>

    <span class=’superscript’>%</span></div>

    </div>

    <p>Data = <span id=’recData’>00</span></p>

    </div>

    <br />

   </div>

</body>

<script>

  var Socket;

  function init()

  {

    Socket = new WebSocket(‘ws://’ + window.location.hostname + ‘:81/’);

    Socket.onmessage = function(event) { processReceivedCommand(event); };

  }

function processReceivedCommand(evt)

{

    var data = evt.data;

    document.getElementById(‘recData’).innerHTML = data;

    var tmp = data.split(‘|’);

    document.getElementById(‘heartRate’).innerHTML = tmp[0];

    document.getElementById(‘SPO2’).innerHTML = tmp[1];

}

window.onload = function(e)   { init();  }

</script>

</html>

)=====”;

  return ptr;

}