src/edu/berkeley/slipway/SerialBoard.java

   1 package edu.berkeley.slipway;
   2
   3 import edu.berkeley.abits.*;
   4 import org.ibex.util.Log;
   5 import java.io.*;
   6 import java.util.*;
   7
   8 public abstract class SerialBoard implements Board {
   9
  10     /*
  11     private final SerialPort sp;
  12     private final DataInputStream in;
  13     private final DataOutputStream out;
  14
  15     public SerialBoard(SerialPort sp) throws IOException, UnsupportedCommOperationException, InterruptedException {
  16         this.sp = sp;
  17         sp.setSerialPortParams(38400, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
  18         sp.setFlowControlMode(sp.FLOWCONTROL_RTSCTS_OUT);
  19         sp.setInputBufferSize(1024);
  20         this.out = new DataOutputStream(sp.getOutputStream());
  21         this.in = new DataInputStream(sp.getInputStream());
  22         Log.debug(this, "consuming any leftover data on the serial port");
  23         while(in.available() > 0) in.read();
  24         reset();
  25     }
  26
  27     public void reset() {
  28         try {
  29             Log.info(this, "resetting device");
  30             sp.setDTR(true);
  31             sp.setRTS(true);
  32             Thread.sleep(500);
  33             Log.info(this, "deasserting reset signal");
  34             sp.setDTR(false);
  35             sp.setRTS(false);
  36             Thread.sleep(100);
  37         } catch (InterruptedException e) { throw new RuntimeException(e); }
  38     }
  39
  40     public void boot(Reader r) throws Exception {
  41         throw new Error("not implemented");
  42     }
  43
  44     public InputStream getInputStream() { return in; }
  45     public OutputStream getOutputStream() { return out; }
  46     */
  47     /*
  48     public static SerialPort detectObitsPort() throws Exception {
  49         Enumeration e = CommPortIdentifier.getPortIdentifiers();
  50         while(e.hasMoreElements()) {
  51             CommPortIdentifier cpi = (CommPortIdentifier)e.nextElement();
  52             Log.info(Demo.class, "trying " + cpi.getName());
  53             if (cpi.getName().startsWith("/dev/cu.usbserial-"))
  54                 return new RXTXPort(cpi.getName());
  55             if (cpi.getName().startsWith("/dev/ttyS0"))
  56                 return new RXTXPort(cpi.getName());
  57         }
  58         Log.info(Demo.class, "returning null...");
  59         return null;
  60     }
  61     */
  62 }