void mouseClicked() {

  if( !started ) {  

    started = true;

    delay( START_DELAY ); 

    println("\nSynchronising aBourbon Time");

    comport.write( "RESET\n" ); 

  }

  else {

    makeJPG = true; 

  }

}

  if( !started ) { // waiting for user to begin logging

    delay( START_DELAY ); // make sure the Arduino sketch has had time to get started

    println("\nSynchronising aBourbon Time");

    comport.write( "RESET\n" );  // issue command to the TC4 to synchronize clocks

    delay( 200 );

    comport.write( "RESET\n" ); // Uno requires a second reset -- why?

    delay( 1200 ); // make sure reset has occurred before we start logging data

    started = true;

  }

// ------------------------------- reset the Arduino, etc.

void resetRemote() {

//    delay( START_DELAY ); // make sure the remote has had time to get started

    println("\nSynchronising with remote:");

    int i = 0;

    while( resetAck == 0 && i < 10 ) {

      comport.write( "RESET\n" );  // issue command to the TC4 to synchronize clocks

      delay( 500 );

      i++;

    }

    print( resetAck ); println( " reset(s) required." );

    if( resetAck != 0 )

      started = true;

}



// ------------------------------- save a frame when mouse is clicked

void mouseClicked() {

  if( !started ) {  // waiting for user to begin logging

    resetRemote();

  }

  else {

    makeJPG = true;  // queue a request to save a frame

  }

}



...... similar code for beginning of keyPressed()



// -------------------------------------------------------------

void serialEvent(Serial comport) { // this is executed each time a line of data is received from the TC4



    // grab a line of ascii text from the logger

    String msg = comport.readStringUntil('\n');



    // exit right away if blank line

    if (msg == null) return; // *****************

    msg = trim(msg);

    if (msg.length() == 0) return; // ****************



    // otherwise, check first to see if it is a comment --------------------------------------------

    if (msg.charAt(0) == '#') { // this line is a comment

      logfile.println(msg); // write it to the log no matter what

      println(msg); // write it to the terminal no matter what     

      String[] rec = split(msg, ",");  // comma separated input list

      if( rec[0].equals( "# Reset" ) ) { // acknowledge, and count, RESET's echoed back from remote

        ++resetAck;    // count them for possible debugging use

      }

        else if( started ) { // skip these roast markers if logging hasn't been started by the user

        if (rec[0].equals("# STRT")) { 

          ba_x = T0[0][idx-1];

          ba_y = MAX_TEMP - T0[1][idx-1];

        } else if (rec[0].equals("# FC")) {

... snipped