IoT Noise Reduction Receiver Logic

receiverLogic.c

bool didRemoveNoise() {
  bool didRemoveNoise = false;
  while (didRemoveNoise == false) {
    // Read Serial input
    String inputData;
    char c;
    while (esp.available() > 0) {
      c = esp.read();
      inputData.concat(c);
    }
    inputData.trim();
    Serial.println("Validating " + inputData);
    if (previousData != "") {
      Serial.println("Previous data: " + previousData);
      // If true, noise removed, else stay in the loop
      if (previousData.compareTo(inputData) == 0) {
        Serial.println("if ");
        didRemoveNoise = true;
        Serial.println("Received");
        esp.println("ack");
      } else {
        Serial.println("else ");
        previousData = inputData;
      }
    }
    else {
      previousData = inputData;
    }
    delay(1000);
  }
  return didRemoveNoise;
}