import java.io.InputStream;
import javax.comm.CommPortIdentifier;
import javax.comm.SerialPort;

/**
 * Read data from the HandyCricket and display it as a scrolling bar chart.
 * This code depends on the Java Communications API available at
 * http://java.sun.com/products/javacomm.
 **/
public class TextReader
{
  public static void main(String[] args)
  {
    try {
      CommPortIdentifier id = CommPortIdentifier.getPortIdentifier("COM2");
      SerialPort port = (SerialPort) id.open("Reader", /*timeout=*/ 20000);
      port.setSerialPortParams(/*baudrate=*/ 9600,
                               SerialPort.DATABITS_8,
                               SerialPort.STOPBITS_1,
                               SerialPort.PARITY_NONE);
      InputStream in = port.getInputStream();

      while (true) {
        int value = 80 - (in.read() * 80 / 256);
        while (value-- > 0)
          System.out.print("-");
        System.out.println("");
      }

    } catch (Exception e) {
      e.printStackTrace(System.out);
    }
  }
}