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--- pm:prj2023:dene:cosmin-duta [2023/05/30 14:29]
cosmin_mihail.duta [Software Design - Descrierea codului aplicatiei]
+++ pm:prj2023:dene:cosmin-duta [2023/05/30 14:31] (current)
cosmin_mihail.duta [Software Design - Descrierea codului aplicatiei]
@@ Line 109: / Line 109: @@
 </note>
+===== Software Design -  Descrierea codului aplicatiei =====
+<note tip>
+/*Importam librariile necesare*/
+#include <dht11.h>
+#include <Wire.h>
+#include <LiquidCrystal_I2C.h>
+#include <SPI.h>
+#include <Ethernet.h>
+#include <SD.h>
+LiquidCrystal_I2C lcd(0x27, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE);
+dht11 DHT11;
+#define DHT11PIN 3
+int sensorValue;
+int alb = 1; // led alb pe pin digital 1
+int rosu = 2; // led alb pe pin digital 2
+int t;
+int h;
+String aer = "Normal"; // consideram in momentul de start ca aerul este normal
+// Introducem o adresa MAC unica si o adresa IP
+byte mac[] = {
+xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED
+};
+IPAddress ip( 192, 168, 0, 123 );
+IPAddress gateway( 192, 168, 0, 1 );
+IPAddress subnet( 255, 255, 255, 0 );
+IPAddress DNSserver(192,168,0,1);
+char server[] = "mail.smtp.ro";  //aici trebuie schimbat cu serverul vostru de smtp - gmail
+int port = 587; //  porturile 25, 8025 sau 587.
+File myFile;
+EthernetClient client;
+int c = 1; //contor de intarziere
+int k=0; //contor de verificare timp alarma
+void setup()
+{
+lcd.begin(16,2); // initializam LCD-ul
+  pinMode(alb, OUTPUT);
+  pinMode(rosu, OUTPUT);
+  digitalWrite(rosu, HIGH);
+  digitalWrite(alb, HIGH);
+Serial.begin(115200);
+pinMode(4,OUTPUT);
+digitalWrite(4,HIGH);
+Ethernet.begin(mac, ip, gateway, DNSserver, subnet);
+delay(2000);
+Serial.println(Ethernet.localIP());
+Serial.println(F("Gata! Apăsati 'e' pentru a trimite mail")); // metoda manuala de trimis mail de test din Serial Monitor
+}
+void loop()
+{
+byte inChar;
+  inChar = Serial.read();
+  if(inChar == 'e')
+  {
+    if(sendEmail()) Serial.println(F("Email trimis"));
+    else Serial.println(F("Eroare trimitere Email"));
+  }
+  afisare_info(); // apelam functia de afisare a informatiilor pe LCD
+}
+void afisare_info(){
+   DHT11.read(DHT11PIN); // citim valorile senzorului DHT11
+  sensorValue = analogRead(0); // se citeste valoarea senzorului de fum
+//  //aer normal in jur de 120-150
+//  //peste 150 posibil sa existe fum
+  t = (float)DHT11.temperature, 2;
+  h = (float)DHT11.humidity, 2;
+  //afisam temperatura pe LCD
+  lcd.clear();
+  lcd.setCursor(0, 0);
+  lcd.print("Temp: ");
+  lcd.print(t);
+  lcd.print((char)223);
+  lcd.print("C");
+  //afisam umiditatea pe LCD
+  lcd.setCursor(0, 1);
+  lcd.print("Umid: ");
+  lcd.print((float)DHT11.humidity, 2);
+  lcd.print(" %");
+  delay(2000);
+  //afisam nivelul de fum pe LCD
+  lcd.clear();
+  lcd.setCursor(0, 0);
+  lcd.print("Nivel fum: ");
+  lcd.print(sensorValue);
+  //si afisam Normal sau FUM pe LCD
+  lcd.setCursor(0, 1);
+  lcd.print("Aer: ");
+    if(sensorValue>150){
+     lcd.print("FUM!");
+     aer = "FUM!"; // daca senzorul a detectat FUM, variabila "aer" devine FUM
+  }else{
+    lcd.print("Normal");
+    aer = "Normal";
+  }
+  //Aici se stabilesc valorile de alerta:
+  //verificam daca unul din parametri a depasit limita maxima sau daca a fost detectat deja FUM
+  if(aer == "FUM!" || t >= 25 || h >= 80){
+      digitalWrite(rosu, HIGH);
+     digitalWrite(alb, LOW);
+  }else{
+    digitalWrite(alb, HIGH);
+    digitalWrite(rosu, LOW);
+  }
+  if(c>10){ // la pornire lasam 20 de secunde sa se stabilizeze senzorii, dupa care trimitem alerte daca sunt probleme
+    // am pus 10 pentru ca mai jos este delay de 2000 (10*2000=20secunde)
+  if(aer == "FUM!" || t >= 25 || h >= 80){
+    k++; // contor ce numara de cate ori se inregistreaza eroare.
+    if(k>=30){ //daca timp de 60 secunde este alarma, se trimite mail
+     if(sendEmail_alerta()) Serial.println(F("Email trimis"));
+    else Serial.println(F("Eroare trimitere Email"));
+    k=0; // resetam contorul daca s-a trimis mail
+    }
+  }
+  }else{
+    c++;
+  }
+delay(2000);
+}
+//functia de mai jos trimite mail la cerere din Serial Monitor, apasand tasta 'e'
+byte sendEmail()
+{
+  byte thisByte = 0;
+  byte respCode;
+  if(sensorValue>150){
+     aer = "FUM!";
+  }else{
+    aer = "Normal";
+  }
+  //Codul de conectare la serverul de smtp si trimitere mail este preluat de aici:
+  // https://www.smtp2go.com/setupguide/arduino/
+  if(client.connect(server,port) == 1) {
+    Serial.println(F("connected"));
+  } else {
+    Serial.println(F("connection failed"));
+    return 0;
+  }
+  if(!eRcv()) return 0;
+  Serial.println(F("Sending hello"));
+// replace 1.2.3.4 with your Arduino's ip
+  client.println("EHLO 1.2.3.4");
+  if(!eRcv()) return 0;
+  Serial.println(F("Sending auth login"));
+  client.println("auth login");
+  if(!eRcv()) return 0;
+  Serial.println(F("Sending User"));
+// Change to your base64 encoded user
+  client.println(F("user criptat Base64 aici"));
+  if(!eRcv()) return 0;
+  Serial.println(F("Sending Password"));
+// change to your base64 encoded password
+  client.println(F("parola criptata Base64 aici"));
+  if(!eRcv()) return 0;
+// change to your email address (sender)
+  Serial.println(F("Sending From"));
+  client.println("MAIL From: <expeditor@cevreitu.ro>");
+  if(!eRcv()) return 0;
+// change to recipient address
+  Serial.println(F("Sending To"));
+  client.println("RCPT To: <destinatar@cevreitu.ro>");
+  if(!eRcv()) return 0;
+  Serial.println(F("Sending DATA"));
+  client.println("DATA");
+  if(!eRcv()) return 0;
+  Serial.println(F("Sending email"));
+// change to recipient address
+  client.println("To: Destinatar <destinatar@cevreitu.ro>");
+// change to your address
+  client.println("From: Camera Server <cameraserver@cevreitu.ro>");
+  client.println("Subject: Date termice Camera Server");
+      client.print("Date termice Camera Server:");
+      client.println("");
+      client.print("Temperatura: ");
+      client.print(t);
+      client.print(" C");
+      client.println("");
+      client.print("Umiditatea: ");
+      client.print((float)DHT11.humidity, 2);
+      client.println("");
+      client.print("Nivel fum: ");
+      client.print(sensorValue);
+      client.println("");
+      client.print("Aer: ");
+      client.print(aer);
+      client.println("");
+client.println(".");
+  if(!eRcv()) return 0;
+  Serial.println(F("Sending QUIT"));
+  client.println("QUIT");
+  if(!eRcv()) return 0;
+  client.stop();
+  Serial.println(F("disconnected"));
+  return 1;
+}
+//functia de mai jos trimite mail cand este detectata o alarma
+byte sendEmail_alerta()
+{
+  byte thisByte = 0;
+  byte respCode;
+  if(sensorValue>150){
+     aer = "FUM!";
+  }else{
+    aer = "Normal";
+  }
+  if(client.connect(server,port) == 1) {
+    Serial.println(F("connected"));
+  } else {
+    Serial.println(F("connection failed"));
+    return 0;
+  }
+  if(!eRcv()) return 0;
+  Serial.println(F("Sending hello"));
+// replace 1.2.3.4 with your Arduino's ip
+  client.println("EHLO 1.2.3.4");
+  if(!eRcv()) return 0;
+  Serial.println(F("Sending auth login"));
+  client.println("auth login");
+  if(!eRcv()) return 0;
+  Serial.println(F("Sending User"));
+// Change to your base64 encoded user
+  client.println(F("user criptat Base64 aici"));
+  if(!eRcv()) return 0;
+  Serial.println(F("Sending Password"));
+// change to your base64 encoded password
+  client.println(F("parola criptata Base64 aici"));
+  if(!eRcv()) return 0;
+// change to your email address (sender)
+  Serial.println(F("Sending From"));
+  client.println("MAIL From: <cameraserver@cevreitu.ro>");
+  if(!eRcv()) return 0;
+// change to recipient address
+  Serial.println(F("Sending To"));
+  client.println("RCPT To: <destinatar@cevreitu.ro>");
+  if(!eRcv()) return 0;
+  Serial.println(F("Sending DATA"));
+  client.println("DATA");
+  if(!eRcv()) return 0;
+  Serial.println(F("Sending email"));
+// change to recipient address
+  client.println("To: Destinatar <destinatar@cevreitu.ro>");
+// change to your address
+  client.println("From: Camera Server <cameraserver@cevreitu.ro>");
+  client.println("Subject: ALERTA CAMERA SERVER!!!");
+      client.print("Date termice Camera Server:");
+      client.println("");
+      client.print("Temperatura: ");
+      client.print(t);
+      client.print(" C");
+      client.println("");
+      client.print("Umiditatea: ");
+      client.print((float)DHT11.humidity, 2);
+      client.println("");
+      client.print("Nivel fum: ");
+      client.print(sensorValue);
+      client.println("");
+      client.print("Aer: ");
+      client.print(aer);
+      client.println("");
+client.println(".");
+  if(!eRcv()) return 0;
+  Serial.println(F("Sending QUIT"));
+  client.println("QUIT");
+  if(!eRcv()) return 0;
+  client.stop();
+  Serial.println(F("disconnected"));
+  return 1;
+}
+byte eRcv()
+{
+  byte respCode;
+  byte thisByte;
+  int loopCount = 0;
+  while(!client.available()) {
+    delay(1);
+    loopCount++;
+// if nothing received for 10 seconds, timeout
+    if(loopCount > 10000) {
+      client.stop();
+      Serial.println(F("\r\nTimeout"));
+      return 0;
+    }
+  }
+  respCode = client.peek();
+  while(client.available())
+  {
+    thisByte = client.read();
+    Serial.write(thisByte);
+  }
+  if(respCode >= '4')
+  {
+    efail();
+    return 0;
+  }
+  return 1;
+}
+void efail()
+{
+  byte thisByte = 0;
+  int loopCount = 0;
+  client.println(F("QUIT"));
+  while(!client.available()) {
+    delay(1);
+    loopCount++;
+// if nothing received for 10 seconds, timeout
+    if(loopCount > 10000) {
+      client.stop();
+      Serial.println(F("\r\nTimeout"));
+      return;
+    }
+  }
+  while(client.available())
+  {
+    thisByte = client.read();
+    Serial.write(thisByte);
+  }
+  client.stop();
+  Serial.println(F("disconnected"));
+}
+</note>