git.gag.com Git - fw/altos/blob - micropeak/MicroSerial.java

   1 /*
   2  * Copyright © 2012 Keith Packard <keithp@keithp.com>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful, but
  10  * WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along
  15  * with this program; if not, write to the Free Software Foundation, Inc.,
  16  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  17  */
  18
  19 package org.altusmetrum.micropeak;
  20
  21 import java.util.*;
  22 import java.io.*;
  23 import libaltosJNI.*;
  24 import org.altusmetrum.altosuilib_13.*;
  25
  26 public class MicroSerial extends InputStream {
  27         SWIGTYPE_p_altos_file   file;
  28         private MicroSerialLog  log;
  29
  30         public int read() {
  31                 int     c = libaltos.altos_getchar(file, 0);
  32                 if (Thread.interrupted())
  33                         return -1;
  34                 if (c == -1)
  35                         return -1;
  36                 if (AltosUIPreferences.serial_debug)
  37                         System.out.printf("%c", c);
  38                 if (log != null)
  39                         log.log_char(c);
  40                 return c;
  41         }
  42
  43         public void close() {
  44                 if (file != null) {
  45                         libaltos.altos_close(file);
  46                         file = null;
  47                 }
  48         }
  49
  50         public void set_log(MicroSerialLog log) {
  51                 this.log = log;
  52         }
  53
  54         public MicroSerial(AltosDevice device) throws FileNotFoundException {
  55                 file = device.open();
  56                 log = null;
  57                 if (file == null) {
  58                         final String message = device.getErrorString();
  59                         throw new FileNotFoundException(String.format("%s (%s)",
  60                                                                       device.toShortString(),
  61                                                                       message));
  62                 }
  63         }
  64 }