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; version 2 of the License.
   7  *
   8  * This program is distributed in the hope that it will be useful, but
   9  * WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License along
  14  * with this program; if not, write to the Free Software Foundation, Inc.,
  15  * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
  16  */
  17
  18 package org.altusmetrum.micropeak;
  19
  20 import java.util.*;
  21 import java.io.*;
  22 import libaltosJNI.*;
  23 import org.altusmetrum.altosuilib_6.*;
  24
  25 public class MicroSerial extends InputStream {
  26         SWIGTYPE_p_altos_file   file;
  27         private MicroSerialLog  log;
  28
  29         public int read() {
  30                 int     c = libaltos.altos_getchar(file, 0);
  31                 if (Thread.interrupted())
  32                         return -1;
  33                 if (c == -1)
  34                         return -1;
  35                 if (AltosUIPreferences.serial_debug)
  36                         System.out.printf("%c", c);
  37                 if (log != null)
  38                         log.log_char(c);
  39                 return c;
  40         }
  41
  42         public void close() {
  43                 if (file != null) {
  44                         libaltos.altos_close(file);
  45                         file = null;
  46                 }
  47         }
  48
  49         public void set_log(MicroSerialLog log) {
  50                 this.log = log;
  51         }
  52
  53         public MicroSerial(AltosDevice device) throws FileNotFoundException {
  54                 file = device.open();
  55                 log = null;
  56                 if (file == null) {
  57                         final String message = device.getErrorString();
  58                         throw new FileNotFoundException(String.format("%s (%s)",
  59                                                                       device.toShortString(),
  60                                                                       message));
  61                 }
  62         }
  63 }