   //begin the serial comms (for debugging)
   myTympan.beginBothSerial();  
   delay(3000);
-  myTympan.println("BasicGain_wApp: starting setup()...");
+  Serial.println("BasicGain_wApp: starting setup()...");
 
   //allocate the dynamic memory for audio processing blocks
   AudioMemory_F32(10); 


//respond to serial commands
void respondToByte(char c) {
  myTympan.print("Received character "); myTympan.println(c);
  
  switch (c) {
    case 'J': case 'j':


//Print gain levels 
void printGainLevels(void) {
  Serial.print("Analog Input Gain (dB) = "); 
  Serial.println(input_gain_dB); //print text to Serial port for debugging
  Serial.print("Digital Gain (dB) = "); 
  Serial.println(digital_gain_dB); //print text to Serial port for debugging
}

void setButtonText(String btnId, String text) {
  myTympan.println("TEXT=BTN:" + btnId + ":"+text);
}
