Delete CodingGlucoseMetterArduino.ino
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#include <WiFiManager.h>
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#include <Wire.h>
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#include "MAX30105.h"
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#include "heartRate.h"
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#include "spo2_algorithm.h"
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#include <ESP8266WiFi.h>
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#include <LiquidCrystal_I2C.h>
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#include <ESP8266WebServer.h>
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#include <PubSubClient.h>
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#include <ArduinoJson.h>
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#define LED_R D6
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#define LED_G D7
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#define LED_B D8
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#define LED_ON HIGH
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#define LED_OFF LOW
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MAX30105 particleSensor;
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LiquidCrystal_I2C lcd(0x27, 16, 2); // Inisialisasi alamat I2C dan ukuran LCD
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WiFiManager wm;
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ESP8266WebServer server(80);
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const char* mqtt_server = "test.mosquitto.org";
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// Inisialisasi WiFi dan MQTT client
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WiFiClient espClient;
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PubSubClient client(espClient);
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String lastReceivedID = "";
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String lastReceivedName = "";
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unsigned long lastSendTime = 0;
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const unsigned long interval = 60000; // 1 menit dalam milidetik
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String serverIP = ""; // Variabel global untuk menyimpan alamat IP server
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const char* URL = ""; // Alamat server, akan diinisialisasi setelah mendapat IP dari handleUpdateServerIP
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const int serverPort = 80; // Port server HTTP
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const byte RATE_SIZE = 4; // Increase this for more averaging. 4 is good.
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byte rates[RATE_SIZE]; // Array of heart rates
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byte rateSpot = 0;
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long lastBeat = 0; // Time at which the last beat occurred
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// nilai SPO2
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uint32_t irBuffer[100]; // infrared LED sensor data
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uint32_t redBuffer[100]; // red LED sensor data
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int32_t bufferLength; // data length
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int32_t spo2; // SPO2 value
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int8_t validSPO2; // indicator to show if the SPO2 calculation is valid
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int32_t heartRate; // heart rate value
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int8_t validHeartRate; // indicator to show if the heart rate calculation is valid
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float beatsPerMinute;
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int beatAvg;
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int buttonState = 0;
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int lastButtonState = 0;
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long lastDebounceTime = 0;
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long debounceDelay = 50;
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enum SensorMode {
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BPM_MODE,
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SPO2_MODE
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};
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float predictedGlucose;
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SensorMode currentMode = BPM_MODE; // Default mode
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String receivedValue = "";
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void callback(char* topic, byte* payload, unsigned int length) {
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Serial.print("Message arrived [");
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Serial.print(topic);
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Serial.print("] ");
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String message = "";
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for (int i = 0; i < length; i++) {
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message += (char)payload[i];
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}
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Serial.println(message);
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// Extract ID and name from the JSON message
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StaticJsonDocument<200> doc;
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DeserializationError error = deserializeJson(doc, message);
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if (error) {
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Serial.print("deserializeJson() failed: ");
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Serial.println(error.c_str());
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return;
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}
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// Mengambil nilai id sebagai integer
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lastReceivedID = doc["id"].as<int>();
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// Mengambil nilai name sebagai string
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lastReceivedName = doc["nama"].as<String>();
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lastSendTime = millis(); // Reset the timer
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Serial.print("Id: ");
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Serial.println(lastReceivedID);
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Serial.print("Nama: ");
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Serial.println(lastReceivedName);
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lcd.clear();
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lcd.setCursor(0, 0);
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lcd.print("SELAMAT DATANG");
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lcd.setCursor(0, 1);
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int nameLength = lastReceivedName.length();
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int spaces = (16 - nameLength) / 2; // Assuming 16 characters per line
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String paddedName = "";
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for (int i = 0; i < spaces; i++) {
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paddedName += " ";
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}
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paddedName += lastReceivedName;
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lcd.print(paddedName);
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startSensor();
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}
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void reconnect() {
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// Loop sampai terkoneksi
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while (!client.connected()) {
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Serial.print("Attempting MQTT connection...");
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// Buat client ID
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String clientId = "ESP8266Client-";
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clientId += String(random(0xffff), HEX);
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// Coba koneksi
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if (client.connect(clientId.c_str())) {
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Serial.println("connected");
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// Subscribe ke topic
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client.subscribe("amantuzh");
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} else {
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Serial.print("failed, rc=");
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Serial.print(client.state());
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Serial.println(" try again in 5 seconds");
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// Tunggu 5 detik sebelum mencoba lagi
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delay(5000);
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}
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}
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}
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void startSensor() {
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if (!particleSensor.begin(Wire, I2C_SPEED_STANDARD)) { // Gunakan port I2C default ESP8266, kecepatan 100kHz
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Serial.println("MAX30105 was not found. Please check wiring/power.");
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while (1);
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}
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Serial.println("Place your index finger on the sensor with steady pressure.");
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delay(3000);
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lcd.clear();
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lcd.setCursor(0, 0);
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lcd.print(" TEKAN MULAI");
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lcd.setCursor(0, 1);
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lcd.print("UNTUK PENGUKURAN");
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digitalWrite(LED_R, LED_OFF);
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digitalWrite(LED_G, LED_ON);
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digitalWrite(LED_B, LED_OFF);
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particleSensor.setup(); // Konfigurasi sensor dengan pengaturan default
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particleSensor.setPulseAmplitudeRed(0x0A); // Menyalakan LED merah untuk menunjukkan sensor berjalan
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particleSensor.setPulseAmplitudeGreen(0); // Matikan LED hijau
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}
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void setup() {
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WiFi.mode(WIFI_STA);
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Serial.begin(115200);
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Serial.println("Initializing...");
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pinMode(D1, OUTPUT);
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pinMode(D2, OUTPUT);
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pinMode(LED_R, OUTPUT);
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pinMode(LED_G, OUTPUT);
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pinMode(LED_B, OUTPUT);
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pinMode(D3, INPUT_PULLUP); // Internal pull-up resistor
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digitalWrite(LED_R, LED_OFF);
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digitalWrite(LED_G, LED_OFF);
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digitalWrite(LED_B, LED_OFF);
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lcd.init(); // Inisialisasi LCD
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lcd.backlight(); // Nyalakan backlight LCD
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Wire.begin(); // Inisialisasi I2C pada ESP8266
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wm.setDebugOutput(false);
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// Remove any previous network settings
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// wm.resetSettings();
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// Define a text box, 50 characters maximum
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WiFiManagerParameter custom_text_box("my_text", "Enter your string here", "default string", 50);
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// Add custom parameter
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wm.addParameter(&custom_text_box);
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// Blink LED B while searching for WiFi
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digitalWrite(LED_B, LED_ON);
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digitalWrite(LED_G, LED_OFF);
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lcd.clear();
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lcd.print("NOT CONNECT WIFI");
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bool res = wm.autoConnect("GlucoseMetter", "password"); // password protected ap
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if (!res) {
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Serial.println("Failed to connect");
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ESP.restart();
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delay(1000);
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}
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// Connected!
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digitalWrite(LED_B, LED_OFF);
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digitalWrite(LED_G, LED_ON);
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Serial.println("WiFi connected");
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Serial.print("IP address: ");
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Serial.println(WiFi.localIP());
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Serial.print("SSID: ");
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Serial.println(WiFi.SSID());
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lcd.clear();
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lcd.setCursor(0, 0);
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lcd.print(" CONNECTED TO");
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lcd.setCursor(0, 1);
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int SsidLength = WiFi.SSID().length();
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int spaces = (16 - SsidLength) / 2; // Assuming 16 characters per line
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String paddedSsid = "";
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for (int i = 0; i < spaces; i++) {
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paddedSsid += " ";
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}
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paddedSsid += WiFi.SSID();
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lcd.print(paddedSsid);
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delay(2000);
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client.setServer(mqtt_server, 1883);
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client.setCallback(callback);
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server.begin();
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// Display "Pilih ID" until data is received
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lcd.clear();
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lcd.setCursor(0, 0);
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lcd.print(" PILIH PENGGUNA");
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}
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void loop() {
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wm.process();
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if (!client.connected()) {
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reconnect();
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}
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client.loop();
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// Check if 1 minute has passed since the last ID was received
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if (lastReceivedID.length() > 0) {
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unsigned long currentMillis = millis();
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if (currentMillis - lastSendTime >= interval) {
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// sendID(lastReceivedID.c_str());
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lastSendTime = currentMillis; // Reset the timer for the next send
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}
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}
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int reading = digitalRead(D3);
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// Check if the button state has changed
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if (reading != lastButtonState) {
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// Reset the debounce timer
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lastDebounceTime = millis();
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}
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// Check if the debounce delay has passed
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if ((millis() - lastDebounceTime) > debounceDelay) {
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// If the reading has changed, update the button state
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if (reading != buttonState) {
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buttonState = reading;
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// If the button is pressed
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if (buttonState == LOW) {
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// Toggle sensor mode
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if (currentMode == BPM_MODE) {
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runBPMMode();
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runSPO2Mode();
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KalibrasiGLucosa();
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startSensor();
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}
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}
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}
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}
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lastButtonState = reading;
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}
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void runBPMMode() {
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Serial.println("Mulai BPM Mode");
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unsigned long startTime = millis();
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while (millis() - startTime < 30000) {
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digitalWrite(LED_B, LED_OFF);
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digitalWrite(LED_G, LED_OFF);
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long irValue = particleSensor.getIR();
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if (irValue < 50000) {
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beatsPerMinute = 0.0;
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beatAvg = 0.0;
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} else {
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if (checkForBeat(irValue)) {
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long delta = millis() - lastBeat;
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lastBeat = millis();
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beatsPerMinute = 60 / (delta / 1000.0);
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if (beatsPerMinute < 255 && beatsPerMinute > 20) {
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rates[rateSpot++] = (byte)beatsPerMinute;
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rateSpot %= RATE_SIZE;
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beatAvg = 0;
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for (byte x = 0; x < RATE_SIZE; x++)
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beatAvg += rates[x];
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beatAvg /= RATE_SIZE;
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}
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}
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}
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Serial.print("IR=");
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Serial.print(irValue);
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Serial.print(", BPM=");
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Serial.print(beatsPerMinute);
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Serial.print(", Avg BPM=");
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Serial.print(beatAvg);
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Serial.println();
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if (irValue > 100000){
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digitalWrite(LED_R, LED_ON);
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} else {
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digitalWrite(LED_R, LED_OFF);
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}
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// Update LCD
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lcd.clear(); // Bersihkan layar LCD
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lcd.setCursor(0, 0);
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lcd.print("BPM: ");
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lcd.print(beatAvg);
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lcd.setCursor(0, 1);
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lcd.print("SPO2: ");
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}
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Serial.print("Hasil BPM Mode: ");
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Serial.println(beatAvg);
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}
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void runSPO2Mode() {
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Serial.println("Mulai SPO2 Mode");
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unsigned long startTime = millis();
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while (millis() - startTime < 16000) {
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bufferLength = 100; // buffer length of 100 stores 4 seconds of samples running at 25sps
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// read the first 100 samples, and determine the signal range
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for (byte i = 0 ; i < bufferLength ; i++) {
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while (particleSensor.available() == false) // do we have new data?
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particleSensor.check(); // Check the sensor for new data
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redBuffer[i] = particleSensor.getRed();
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irBuffer[i] = particleSensor.getIR();
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particleSensor.nextSample(); // We're finished with this sample so move to next sample
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}
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// calculate heart rate and SpO2 after first 100 samples (first 4 seconds of samples)
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maxim_heart_rate_and_oxygen_saturation(irBuffer, bufferLength, redBuffer, &spo2, &validSPO2, &heartRate, &validHeartRate);
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// Send data to Serial Monitor
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Serial.print(F("BPM="));
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Serial.print(heartRate);
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Serial.print(F(", ValidHR="));
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Serial.print(validHeartRate);
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Serial.print(F(", SPO2="));
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Serial.print(spo2, DEC);
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Serial.print(F(", SPO2Valid="));
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Serial.println(validSPO2, DEC);
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// Update LCD
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lcd.clear(); // Bersihkan layar LCD
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lcd.setCursor(0, 0);
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lcd.print("BPM: ");
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lcd.print(beatAvg);
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lcd.setCursor(0, 1);
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lcd.print("SPO2: ");
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lcd.print(spo2);
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delay(3000);
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}
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Serial.print("Hasil BPM Mode: ");
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Serial.println(beatAvg);
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Serial.print("Hasil SPO2 Mode: ");
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Serial.println(spo2);
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}
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void KalibrasiGLucosa() {
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// Rumus Prediksi GLucosa
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predictedGlucose = 16714.61 + (0.47 * beatAvg) - (351.045 * spo2) + (1.85 * (spo2 * spo2));
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Serial.print("Predicted Glucose= ");
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Serial.println(predictedGlucose);
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lcd.clear();
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lcd.setCursor(0, 0);
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lcd.print("PREDIKSI GLUKOSA ");
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lcd.setCursor(0, 1);
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lcd.print(" ");
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lcd.print(predictedGlucose);
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|
||||||
lcd.print("mg/dl");
|
|
||||||
sendData();
|
|
||||||
delay(10000);
|
|
||||||
// Mengirim data setelah perhitungan prediksi glukosa selesai
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
lcd.clear();
|
|
||||||
beatsPerMinute = 0;
|
|
||||||
beatAvg = 0;
|
|
||||||
digitalWrite(LED_R, LED_OFF);
|
|
||||||
|
|
||||||
lcd.clear();
|
|
||||||
lcd.setCursor(0, 0);
|
|
||||||
lcd.print(" PENGUKURAN");
|
|
||||||
lcd.setCursor(0, 1);
|
|
||||||
lcd.print(" SELESAI");
|
|
||||||
|
|
||||||
delay(1000);
|
|
||||||
}
|
|
||||||
|
|
||||||
void sendData() {
|
|
||||||
// Pastikan klien MQTT terhubung
|
|
||||||
if (!client.connected()) {
|
|
||||||
Serial.println("MQTT client not connected, attempting to reconnect...");
|
|
||||||
reconnect();
|
|
||||||
}
|
|
||||||
|
|
||||||
// Membuat objek JSON untuk mengirim data
|
|
||||||
StaticJsonDocument<200> jsonDoc;
|
|
||||||
jsonDoc["id"] = lastReceivedID;
|
|
||||||
jsonDoc["BPM"] = beatAvg;
|
|
||||||
jsonDoc["SpO2"] = spo2;
|
|
||||||
jsonDoc["PredictedGlucose"] = predictedGlucose;
|
|
||||||
|
|
||||||
// Mengonversi objek JSON menjadi string
|
|
||||||
char buffer[256];
|
|
||||||
size_t n = serializeJson(jsonDoc, buffer);
|
|
||||||
|
|
||||||
// Mencetak data yang akan dikirim ke Serial Monitor untuk debug
|
|
||||||
Serial.print("Sending data: ");
|
|
||||||
Serial.println(buffer);
|
|
||||||
|
|
||||||
// Mengirim data ke broker MQTT dengan topik "postdataGluc"
|
|
||||||
if (client.publish("postdataGluc", buffer, n)) {
|
|
||||||
Serial.println("Data sent successfully");
|
|
||||||
} else {
|
|
||||||
Serial.println("Failed to send data");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
Loading…
Reference in New Issue