int BZR1 = 2; // Buzzer output
int DSP1 = 3; // Display Blue
int DSP2 = 4; // Display Red
int DSP3 = 5; // Display Green
int KLD1 = 6; // KeyLed Display 
int DOTR = 7; // Digital Trugger Output Relay
int Result = 8;

int KEY  = A0; // HardKey Button
int DSS  = A1; // Door Status Signal
int MSS  = A2; // Motion Sensor Status
int LSS  = A3; // Light Sensor Signal
int SVR  = A4; // System Voltage Reader
int IRC  = A5; // IR Receiver For Coded Data NOT IN USE FOR NOW

int DBU;       // Define BuzzerBeep Up 
int DBD;       // Define BuzzerBeep Down
int DAW;       // Define Alarm Wait
int LSL;       // Light  Sensor Limit
int DSL;       // Door   Signal Limit
int KSL;       // Key    Signal Limit
int MSL;       // Motion Signal Limit
int DDL;       // Define Display Light
int DLA;       // Display light Acknownledgement
int DOL;       // Define Open Light
int DAL;       // Define Alarm Light
int SAK;       // Sound Action Status Indicator On Key Press                   ENABLE/DISABLE 
int SAM;       // Sound Action Status Indicator On Movement                    ENABLE/DISABLE
int DSA;       // Door Status   Acknownledgement                               ENABLE/DISABLE
int MSA;       // Motion Sensor Acknownledgement                               ENABLE/DISABLE
int LSA;       // Light  Sensor Acknownledgement                               ENABLE/DISABLE
int DAA;       // Door    Alarm Acknownledgement                               ENABLE/DISABLE
int HKA;       // Hard   Key    Acknownledgement                               ENABLE/DISABLE
int CAS;       // Current Alarm Status                                         ENABLE/DISABLE
int MDT;       // Motion Digital Trugger                                       ENABLE/DISABLE
int HKT;       // Hard KeyDigital Trugger                                      ENABLE/DISABLE
int DDT;       // Delay in Digital Trugger
int DSD;       // Door Signal Delay
int DCB;       // Delay In common Beep
int DLN;       // Display Light In Night
int DCO = 0;       // Door Current Open Time
int ODCO;
int SDCO;
int DOLE;
int DDLE;
int DALE;

void setup() 
{
  Serial.begin(9600);
pinMode(BZR1, OUTPUT);
pinMode(DSP1, OUTPUT);
pinMode(DSP2, OUTPUT);
pinMode(DSP3, OUTPUT);
pinMode(KLD1, OUTPUT);
pinMode(DOTR, OUTPUT);
pinMode(13, OUTPUT);

digitalWrite(DOTR, LOW);
digitalWrite(DSP1, HIGH);
digitalWrite(DSP2, HIGH);
digitalWrite(DSP3, HIGH);
digitalWrite(BZR1, LOW);
digitalWrite(KLD1, LOW);

pinMode(KEY, INPUT);
pinMode(DSS, INPUT);
pinMode(MSS, INPUT);
pinMode(LSS, INPUT);
pinMode(SVR, INPUT);
pinMode(IRC, INPUT);

}

void loop() 
{
//working code of KEY Action, need to define form user input and add more action as required

SAK = true;    // Sound on Action on Key
SAM = true;    // Sound on Action on Movement 
HKA = true;    // Hard   Key    Acknownledgment
DSA = true;    // Door Status   Acknownledgment
/*MSA = true;    // Motion Sensor Acknownledgment */
LSA = true;    // Light  Sensor Acknownledgment
DAA = true;    // Door   Alarm  Acknownledgment 
HKT = true;    // Hard Key will trugger Relay Acknownledgment
MDT = true;    // Motion Digital Trugger
DLA = true;    // Display Light Acknownledgment On/Off Display Light
DLN = false;   // Display Light In Night 

DOLE = true; // Door Open light enable
DDLE = true; // Door Display light enable
DALE = true; // Door Alarm Light enable


DOL = DSP3;    // Door Open Light GREEN COLOUR
DDL = DSP1;    // Display Light BLUE COLOUR
DAL = DSP2;    // Defined Alarm Light RED COLOUR




DBU =  450;     //Define BuzzerBeep Up
DBD =  250;     //Define BuzzerBeep Down
DAW =  9000;    //Define Alarm Wait
DDT =  500;     //Digital Delay Trugger
DSL =  900;     //Door Signal Limit
KSL =  700;     //Key  Signal Limit
LSL =  500;     //Light Sensor Limit
MSL =  800;     //Motion Sensor Signal Limit
DSD =  150;     //Door Status Delay
DCB =  150;     //Delay in common beep






// Hard Key Reading and Response/COMPLETED
  KEY = analogRead(A0); 
  if (HKA == true && KEY > KSL)
  {
    digitalWrite(DOL, LOW);
  }
  if (HKA == true && KEY > KSL && SAK == true)
  { 
    digitalWrite(BZR1, HIGH);
     delay(DCB);
    digitalWrite(BZR1, LOW); 
  }
    if (HKA == true && KEY > KSL && HKT == true)
  {
    digitalWrite(DOTR, HIGH);
     delay(DDT);
    digitalWrite(DOTR, LOW);
  }
  
 
  

//Light Sensor with Enable Option 
  LSS = analogRead(A3);
  if (LSA == true && LSS > LSL)
  { digitalWrite(KLD1, HIGH);
    delay(1500); }
  else
  {digitalWrite(KLD1, LOW);}
 

//Reading Motion Sensor ON/OFF Door Light will Glow
  MSS = analogRead(A2);
  if (MSA == true && MSS > MSL )
 {
  digitalWrite(DOL,  LOW);
   delay(DDT);
  digitalWrite(DOL,  HIGH);
 }
//Sound on Motion Sensor On/Off along Light
  if (MSA == true && MSS > MSL && SAM == true)
 {
 digitalWrite(DOL, LOW);
 digitalWrite(BZR1,HIGH);
 delay(DDT);
 digitalWrite(DOL, HIGH);
 digitalWrite(BZR1,LOW);
 }

//Digital Trugger ON/OFF over Motion Sensor
  if (MSA == true && MSS > MSL && MDT == true)
 {
  digitalWrite(DOL, LOW);
  digitalWrite(DOTR, HIGH);
  delay(DDT);
  digitalWrite(DOL, HIGH);
  digitalWrite(DOTR, LOW);
 }

 //Defining Door Status functions
  DSS = analogRead(A1);
  if (DSA == true && DSS > DSL && DOLE == true )
 { MSA = false;
   digitalWrite(DOL, LOW);
     SDCO = millis();
   delay(DSD); // Door Status Delay
  }
 else
 { MSA = true;
   digitalWrite(DOL, HIGH);
   ODCO = millis();  
 
 }
  
if (DSA == true && DSS > DSL && SDCO-ODCO > DAW)
{   DOLE = false;
   digitalWrite(BZR1, HIGH);
   digitalWrite(DOL, HIGH);
   digitalWrite(DAL, LOW); }
 else
{  digitalWrite(BZR1, LOW);
   digitalWrite(DAL, HIGH); 
}
 

}