Create lock.ino

Author: pramodkumar17521

lock.ino

@@ -0,0 +1,163 @@
+int m11=7;
+int m12=9;
+int D0=0;
+int D1=0;
+int D2=0;
+int D3=0;
+int m[4];
+int n[4];
+int p[4];
+
+// Already setted Correct Password for unlock
+
+int password[4][4]={{0,0,0,1},
+             {0,0,1,0},
+              {0,0,1,1},
+              {0,1,0,0}};   
+ /////////////
+ 
+//// Array for Receiving entered passwords by user
+ int input[4][4];
+ 
+//////////////
+ int c[4];
+ int u[4]={1,0,0,1};
+   bool led = false;        
+void setup() {
+  // put your setup code here, to run once:
+  
+pinMode(3,INPUT);//dtmf pin
+pinMode(4,INPUT);//dtmf pin
+pinMode(5,INPUT); //dtmf pin
+pinMode(6,INPUT); //dtmf pin
+pinMode(7,OUTPUT);
+pinMode(9,OUTPUT);
+pinMode(10,OUTPUT);
+pinMode(12,OUTPUT);
+pinMode(13, OUTPUT);//bluetooth*/
+Serial.begin(9600);
+}
+void loop() {
+  // put your main code here, to run repeatedly:
+   
+  label :   // catches the thrown of code
+int count=0;
+  int i=0,j=0,k=0;
+   D0=digitalRead(3);
+   D1=digitalRead(4);
+    D2=digitalRead(5);
+     D3=digitalRead(6);
+
+Serial.print(D3);
+Serial.print("\t");
+Serial.print(D2);
+Serial.print("\t");
+Serial.print(D1);
+Serial.print("\t");
+Serial.print(D0);
+Serial.print("\n");
+if(D3==1 && D2==0 && D1==1 && D0==1)
+{
+  while(1)
+   {   Serial.println("******in while loop******");
+     //  delay(10000);
+   // Reading inputs of key pressed through DTMF pins
+   D0=digitalRead(3);
+   D1=digitalRead(4);
+    D2=digitalRead(5);
+     D3=digitalRead(6);
+     
+      
+      if(D3==1 && D2==0 && D1==1 && D0==1)  ///****
+       { 
+          }
+          else{
+          
+         if(D3==1 && D2==1 && D1==0 && D0==0)  //#####
+         {   // comparision;
+            if(k<4)
+            {
+            for(k=0; k<4; k++)
+             { Serial.println("******locked******");
+            
+          if(password[k][0]==input[k][3] && password[k][1]==input[k][2] && password[k][2]==input[k][1] && password[k][3]==input[k][0])
+            {count++;}   /////// Comparing entered and already setted password
+            
+              }  // comparision for ends
+            
+              Serial.println("count==== ");
+              Serial.println(count);
+              if(count==4)
+               { led= !led;
+                if(led==true)
+                {
+                digitalWrite(7,HIGH);
+                digitalWrite(9,LOW);
+                Serial.println("locked");
+                 delay(550);
+                  
+                digitalWrite(7,LOW);
+                digitalWrite(9,LOW);
+                 goto label; }
+                 else if(led==false) 
+                 {goto label;}
+                 } // count if ends
+            }  // k<4 if ends
+               else if(u[0]==c[3] && u[1]==c[2] && u[2]==c[1] && u[3]==c[0])
+               {  
+                 led= !led;
+                digitalWrite(7,LOW);
+                digitalWrite(9,HIGH);
+                Serial.println("locked");
+                 delay(550);
+                 
+                digitalWrite(7,LOW);
+                digitalWrite(9,LOW);
+                goto label; }
+                  
+               else
+               {goto label;
+                }
+            
+            
+          } // ### if  condition  ends
+         else{
+           m[0]=D0;
+           m[1]=D1;
+           m[2]=D2;
+           m[3]=D3;
+           
+       //   delay(5000);  }
+          if(i<1)
+           {
+            p[0]=D0;
+             p[1]=D1;
+             p[2]=D2;
+             p[3]=D3;
+              c[0]=D0;
+             c[1]=D1;
+             c[2]=D2;
+             c[3]=D3;
+             
+             //// Setting entered password
+              input[j][0]=p[0];
+              input[j][1]=p[1];
+              input[j][2]=p[2];
+              input[j][3]=p[3];
+           //////////////////////////////////////   
+           
+              j++;
+            i++;
+           }  // if i<1 condition ends
+           
+             if(m[3]==p[3] && m[2]==p[2] && m[1]==p[1] && m[0]==p[0])
+              {   }
+              else
+              {i=0;}  // upgrading of i ends
+        
+         
+         }  // ### else ends
+      }  /// *** else ends
+    } // while loop
+  }  // if ****
+} // void loop