FINAL DISASTERCHECKER WITH WORKING SMS

#include <avr/wdt.h>

unsigned long logicMillisOld1 = 0;
unsigned long logicMillisNew1 = 0;
unsigned long logicInterval1 = 1000;

unsigned long logicMillisOld2 = 0;
unsigned long logicMillisNew2 = 0;
unsigned long logicInterval2 = 1000;

unsigned long logicMillisOld3 = 0;
unsigned long logicMillisNew3 = 0;
unsigned long logicInterval3 = 1000;



int logicNumber1 = 1;
bool runlogic1 = false;

int logicNumber2 = 1;
bool runlogic2 = false;

int logicNumber3 = 1;
bool runlogic3 = false;

int buzzerPin  = 12; //Digital Pin 13

int floatSwitch = 2;
int floatState = HIGH;
int sequence = 0;


int tiltPin = 3;     //Digital Pin 3
int tiltValue = 0;
int tiltCounter = 0;

#define mqPin (0)    //Analog 0
float sensorValue;
int mqSequence = 0;

int pwmBuzzer = 9;

char msg;
char incomingByte;
String inputString;
const String number =  "9275156419"; // number na itetext ng gsm module






void setup()
{
  Serial.begin(115200);
  Serial3.begin(115200);
  pinMode(pwmBuzzer, OUTPUT);
  pinMode(buzzerPin, OUTPUT);
  pinMode(floatSwitch, INPUT_PULLUP);
  pinMode(tiltPin, INPUT);
  //  digitalWrite(buzzerPin, LOW);
  digitalWrite(buzzerPin, HIGH);
}

void loop() {
  // put your main code here, to run repeatedly:
  tiltValue = digitalRead(tiltPin);

  floatState = digitalRead(floatSwitch);
  sensorValue = analogRead(mqPin);
  sensorValue = map(sensorValue, 0, 1023, 0, 255);
  logicMillisNew1 = millis();
  logicMillisNew2 = millis();
  logicMillisNew3 = millis();

  floatCheck();
  floatBuzz();

  tiltCheck();
  tiltBuzz();
  //
  mqCheck();
  mqBuzz();
}


void floatBuzz() //buzzer condition if naka angat ba si float or hindi
{
  if (runlogic1)
  {
    switch (logicNumber1)
    {
      case 1:
        logicInterval1 = 10000; //milliseconds kung gano katagal si buzzer if naka angat ba si float switch. 1 sec = 1000
        logicNumber1 = 2;
        Serial.println(F("BUZZER ON"));
        digitalWrite(buzzerPin, LOW);
        tone(pwmBuzzer, 500, 10000);
        SendSMS(number, "FLOOD");
        break;

      case 2:
        logicInterval1 = 0; //
        Serial.println(F("BUZZER OFF"));
        //     digitalWrite(buzzerPin, HIGH);
        digitalWrite(buzzerPin, HIGH);
        logicNumber1 = 0;
        noTone(pwmBuzzer);
        break;
    }
    runlogic1 = false;
  }
}

void floatCheck() //this will check if naka angat si float switch or naka baba. naka angat = mataas tubig. naka baba = no flood.
{

  if (floatState == LOW)  //NAKABABA SI FLOATSWITCH
  {
    Serial.println("WATER LEVEL - LOW");
    if (sequence > 0)
    {
      logicNumber1 = 1;
    }
  }
  else if (floatState == HIGH)    //NAKA ANGAT SI FLOAT SWITCH
  {
    Serial.println("WATER LEVEL - HIGH");
    sequence++;
    if (logicMillisNew1 - logicMillisOld1 >= logicInterval1)
    {
      logicMillisOld1 = logicMillisNew1;
      runlogic1 = true;
    }
  }
}

void tiltCheck() //this condition will check if may tilting ba si sensor or wala
{
  if (tiltValue == 1)    //condition na hindi naalog si sensor
  {
    Serial.println("No motion");
  }

  else if (tiltValue == 0)  //condition is naalog si sensor
  {
    tiltCounter++;      //dumadagdag tilt count kada maalog si sensor
  }

  if (tiltCounter >= 6)  //change this for calibration. this is for the tilt times.
  {
    if (logicMillisNew2 - logicMillisOld2 >= logicInterval2)
    {
      logicMillisOld2 = logicMillisNew2;
      runlogic2 = true;
    }
  }


}


void tiltBuzz() //buzzer condition if na meet yung tilt times
{
  if (runlogic2)
  {
    switch (logicNumber2)
    {
      case 1:
        logicInterval2 = 10000; //milliseconds kung gano katagal si buzzer if nameet yung tilt condition. 1 sec = 1000
        logicNumber2 = 2;
        Serial.println(F("BUZZER ON"));
        digitalWrite(buzzerPin, LOW);
        tone(pwmBuzzer, 500, 10000);
        SendSMS(number, "EARTHQUAKE");
        //digitalWrite(buzzerPin, LOW);

        break;

      case 2:
        logicInterval2 = 0;
        Serial.println(F("BUZZER OFF"));
        digitalWrite(buzzerPin, HIGH);
        //digitalWrite(buzzerPin, HIGH);
        logicNumber2 = 0;
        noTone(pwmBuzzer);
        wdt_enable(WDTO_15MS);     //rechecking condition
        break;
    }
    runlogic2 = false;
  }
}

void mqCheck() //this will check if may smoke/carbon dioxide ba na detected si Mq2
{
  Serial.println(sensorValue);
  if (sensorValue < 99) //change this for calibration. this is the no smoke value
  {
    Serial.println("No smoke");
  }

  else if (sensorValue >= 100) //change this for calibration. this is the smoke detected value
  {
    Serial.println("SMOKE DETECTED");

    if (logicMillisNew3 - logicMillisOld3 >= logicInterval3)
    {
      logicMillisOld3 = logicMillisNew3;
      runlogic3 = true;
    }
  }

}

void mqBuzz() //BUZZER CONDITION IF MQ2 DETECTED CARBON DIOXIDE / SMOKE
{
  if (runlogic3)
  {
    switch (logicNumber3)
    {
      case 1:
        logicInterval3 = 10000; //milliseconds kung gano katagal si buzzer if nakadetect ba si mq2 ng usok. 1 sec = 1000
        logicNumber3 = 2; // Next Function
        Serial.println(F("BUZZER ON"));
        digitalWrite(buzzerPin, LOW);
        tone(pwmBuzzer, 500, 10000);
        //digitalWrite(buzzerPin, LOW);
        SendSMS(number, "Smoke Detected");
        break;

      case 2:
        logicInterval3 = 0; // Delay
        Serial.println(F("BUZZER OFF"));
        digitalWrite(buzzerPin, HIGH);
        //digitalWrite(buzzerPin, HIGH);
        logicNumber3 = 0;
        noTone(pwmBuzzer);
        wdt_enable(WDTO_15MS);
        break;
    }
    runlogic3 = false;
  }
}

void SendSMS(String number, String msg) { // Ito ung function na magsesend ng SMS
  Serial3.println("AT+CMGF=1");
  delay(1000);
  Serial3.print("AT+CMGS=\"+63");
  Serial3.print(number);
  Serial3.print("\"\r");
  delay(1000);
  Serial3.print(msg);
  delay(100);
  Serial3.print((char)26);
  delay(1000);
}

void DelSentSMS() {
  Serial3.print("AT+CMGDA=\"");
  Serial3.println("DEL SENT\"");
  delay(500);
  Serial.println( "All Sent Messages Deleted" );
}

void DelReadSMS() {
  Serial3.print("AT+CMGDA=\"");
  Serial3.println("DEL READ\"");
  delay(500);
  Serial.println( "All Read Messages Deleted" );
}

void ReceiveMessage() {
  Serial3.println("AT+CNMI=2,2,0,0,0 "); // AT Command to recieve a live SMS
  delay(1000);
}