void setup() {
   for(int i=0;i<4;i++)
  {
  pinMode(ledPin[i], OUTPUT);
  }
Serial.begin(115200);
  
}

void loop() {
 connectToCloud();
 computerData( fieldnum ,ledPin , inputpin );
 delay(100);
}
void connectToCloud()
{
  Serial.print("Attempting to connect");

  For(int i=0;i<5;i++)
  {
    Serial.print(".");
    delay(1000);
  }
  Serial.println("\nConncted.");
}
void computeData(int fieldnum[] , int ledPin[] , int inputPin[])

  //pinMode(ledPin, OUTPUT);      // declare LED as output
  //pinMode(inputPin, INPUT); 
 for(int i=0;i<4;i++)
 
  val[i] = digitalRead(inputPin[i]);  // read input value
  if (val[i] == HIGH) {            // check if the input is HIGH
  digitalWrite(ledPin[i], HIGH);  // turn LED ON
  if (pirState[i] == LOW) {
   // we have just turned on
   Serial.println("Motion detected!");
    // We only want to print on the output change, not state
    pirState[i] = HIGH;
   //writeData(fieldnum ,HIGH);
      }
     } else {
    digitalWrite(ledPin[i], LOW); // turn LED OFF
    if (pirState[i] == HIGH) {
    // we have just turned of
    Serial.println("Motion ended!");
   // We only want to print on the output change, not state
   pirState[i] = LOW;
   //writeData(fieldnum , LOW);
  }
     }
    for(int i=0;i<4;i++)

    statusCode = ThingSpeak.writeFields(myChannelNumber,myWriteAPIKey);
    if(statusCode == 200) //successful writing code
    Serial.println("Channel update successful.");
    else
    Serial.println("Problem Writing data. HTTP error code :" +
    String(statusCode));
    delay(10000);