Merge pull request #25 from Roshanteja21/main

Bidirectional counter

Bidirectional Counter/Bidirectional_counter/COUNTING/COUNTING.ino

@@ -0,0 +1,62 @@
+int irPin1=7;
+int irPin2=8;
+int count=0;
+boolean state1 = true;
+boolean state2 = true;
+boolean insideState = false;
+boolean outsideIr=false;
+boolean isPeopleExiting=false;
+int i=1;
+void setup() {
+Serial.begin(9600);
+pinMode(irPin1, INPUT);
+pinMode(irPin2, INPUT);
+}
+
+void loop() {
+
+  if (!digitalRead(irPin1) && i==1 && state1){
+     outsideIr=true;
+     delay(100);
+     i++;
+     state1 = false;
+  }
+
+   if (!digitalRead(irPin2) && i==2 &&   state2){
+     Serial.println("Entering into room");
+     outsideIr=true;
+     delay(100);
+     i = 1 ;
+     count++;
+     Serial.print("No of persons inside the room: ");
+     Serial.println(count);
+     state2 = false;
+  }
+
+   if (!digitalRead(irPin2) && i==1 && state2 ){
+     outsideIr=true;
+     delay(100);
+     i = 2 ;
+     state2 = false;
+  }
+
+  if (!digitalRead(irPin1) && i==2 && state1 ){
+     Serial.println("Exiting from room");
+     outsideIr=true;
+     delay(100);
+     count--;
+       Serial.print("No of persons inside the room: ");
+       Serial.println(count);
+     i = 1;
+     state1 = false;
+  }  
+
+    if (digitalRead(irPin1)){
+     state1 = true;
+    }
+
+     if (digitalRead(irPin2)){
+     state2 = true;
+    }
+
+}