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

   1 /*
   2  * Copyright © 2010 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 import java.util.*;
  20 import libaltosJNI.*;
  21
  22 public class MicroUSB extends altos_device {
  23
  24         static boolean  initialized = false;
  25         static boolean  loaded_library = false;
  26
  27         public static boolean load_library() {
  28                 if (!initialized) {
  29                         try {
  30                                 System.loadLibrary("altos");
  31                                 libaltos.altos_init();
  32                                 loaded_library = true;
  33                         } catch (UnsatisfiedLinkError e) {
  34                                 try {
  35                                         System.loadLibrary("altos64");
  36                                         libaltos.altos_init();
  37                                         loaded_library = true;
  38                                 } catch (UnsatisfiedLinkError e2) {
  39                                         loaded_library = false;
  40                                 }
  41                         }
  42                         initialized = true;
  43                 }
  44                 return loaded_library;
  45         }
  46
  47         public String toString() {
  48                 String  name = getName();
  49                 if (name == null)
  50                         name = "Altus Metrum";
  51                 return String.format("%-20.20s %4d %s",
  52                                      name, getSerial(), getPath());
  53         }
  54
  55         public String toShortString() {
  56                 String  name = getName();
  57                 if (name == null)
  58                         name = "Altus Metrum";
  59                 return String.format("%s %d %s",
  60                                      name, getSerial(), getPath());
  61
  62         }
  63
  64         public String getErrorString() {
  65                 altos_error     error = new altos_error();
  66
  67                 libaltos.altos_get_last_error(error);
  68                 return String.format("%s (%d)", error.getString(), error.getCode());
  69         }
  70
  71         public SWIGTYPE_p_altos_file open() {
  72                 return libaltos.altos_open(this);
  73         }
  74
  75         private boolean isMicro() {
  76                 if (getVendor() != 0x0403)
  77                         return false;
  78                 if (getProduct() != 0x6001)
  79                         return false;
  80                 return true;
  81         }
  82
  83         static java.util.List<MicroUSB> list() {
  84                 if (!load_library())
  85                         return null;
  86
  87                 SWIGTYPE_p_altos_list list = libaltos.altos_list_start();
  88
  89                 ArrayList<MicroUSB> device_list = new ArrayList<MicroUSB>();
  90                 if (list != null) {
  91                         for (;;) {
  92                                 MicroUSB device = new MicroUSB();
  93                                 if (libaltos.altos_list_next(list, device) == 0)
  94                                         break;
  95                                 if (device.isMicro())
  96                                         device_list.add(device);
  97                         }
  98                         libaltos.altos_list_finish(list);
  99                 }
 100
 101                 return device_list;
 102         }
 103 }