debugState() returns whether debug output is enabled.

bool debugState()

void setup() {
  debugStart(Serial, 115200, SERIAL_8N1);  // Set the port and baud rate for debug output.
  debugln(F("diagnostics ready"));  // Output the debug value followed by a newline.
}
 
void loop() {
  const int32_t input = analogRead(A0);  // Read the raw analog value of the specified channel.
  if (debugState()) {  // Return whether debug output is enabled.
    debug(F("A0="));  // Output values only when debugging is enabled.
    debugln(input);  // Output the debug value followed by a newline.
  }
  if (IdigitalRead(0, 5)) debugStop();  // Read the input repeatedly and update only if all samples match. If HIGH and LOW are mixed, retain the previous stable state. / Stop debug output.
  delay(250);
}

• Do not use the same port for Debug and product communication.
• Rapid repeated output can slow the control cycle and communication responses.
• Stop unnecessary Debug output before deploying for operation.

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