/*
  Button-Controlled LED Toggle with Analog Read

  Toggles the LED each time the button on D10 is pressed.
  Reads from analog pin D0 when the LED is on.
*/

int val = 0;
//int lastButtonState = 1;
//bool ledState = 1; 

void setup() {
  pinMode(LED_BUILTIN, OUTPUT);  // Set up LED pin
  pinMode(D10, INPUT_PULLUP);    // Button with internal pull-up

  Serial.begin(115200); //115200
  Serial.setTxTimeoutMs(0);
}

void loop() {
  // Read button state
  int buttonState = digitalRead(D10);
  if (buttonState ==0){
    digitalWrite(LED_BUILTIN, 1);
    val = analogRead(D0);   
    delay(200);             
    Serial.println(val);                 // Print analog value
  } else{
    val=0;
    digitalWrite(LED_BUILTIN, 0);
    delay(200);
    Serial.println(val);                 // Print analog value
  }
  
  
  // // If button is pressed, 
  // if (buttonState == 0 && lastButtonState == 1) { 
  //   ledState = !ledState;
  // }
  // lastButtonState = buttonState;  // Update last button state
  
  // // If LED is toggled on, read analog and print value
  // if (ledState == 0) {
  //   digitalWrite(LED_BUILTIN, ledState);
  //   val = analogRead(D0);                // Read analog pin D0
  //   Serial.println(val);                 // Print analog value
  // } else {
  //   digitalWrite(LED_BUILTIN, LOW);      // Ensure LED is off if ledState is 0
  // }
}