git.gag.com Git - fw/altos/blob - altoslib/AltosEepromMini.java

   1 /*
   2  * Copyright © 2011 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.altoslib_1;
  19
  20 import java.io.*;
  21 import java.util.*;
  22 import java.text.*;
  23
  24 public class AltosEepromMini extends AltosEeprom {
  25         public static final int record_length = 16;
  26
  27         public int record_length() { return record_length; }
  28
  29         /* AO_LOG_FLIGHT elements */
  30         public int flight() { return data16(0); }
  31         public int ground_pres() { return data32(4); }
  32
  33         /* AO_LOG_STATE elements */
  34         public int state() { return data16(0); }
  35         public int reason() { return data16(2); }
  36
  37         /* AO_LOG_SENSOR elements */
  38         public int pres() { return data24(0); }
  39         public int temp() { return data24(3); }
  40         public int sense_a() { return data16(6); }
  41         public int sense_m() { return data16(8); }
  42         public int v_batt() { return data16(10); }
  43
  44         double voltage(AltosState state, int sensor) {
  45                 double  supply;
  46
  47                 if (state.log_format == AltosLib.AO_LOG_FORMAT_EASYMINI)
  48                         supply = 3.0;
  49                 else
  50                         supply = 3.3;
  51                 return sensor / 32767.0 * supply * 127/27;
  52         }
  53
  54         public void update_state(AltosState state) {
  55                 switch (cmd) {
  56                 case AltosLib.AO_LOG_FLIGHT:
  57                         state.set_flight(flight());
  58                         state.set_ground_pressure(ground_pres());
  59                         break;
  60                 case AltosLib.AO_LOG_STATE:
  61                         state.set_state(state());
  62                         break;
  63                 case AltosLib.AO_LOG_SENSOR:
  64                         state.set_ms5607(pres(), temp());
  65                         state.set_apogee_voltage(voltage(state, sense_a()));
  66                         state.set_main_voltage(voltage(state, sense_m()));
  67                         state.set_battery_voltage(voltage(state, v_batt()));
  68                         break;
  69                 }
  70         }
  71
  72         public AltosEepromMini (AltosEepromChunk chunk, int start) throws ParseException {
  73                 parse_chunk(chunk, start);
  74         }
  75
  76         public AltosEepromMini (String line) {
  77                 parse_string(line);
  78         }
  79
  80         public AltosEepromMini(int in_cmd, int in_tick) {
  81                 cmd = in_cmd;
  82                 tick = in_tick;
  83                 valid = true;
  84         }
  85
  86         static public LinkedList<AltosEeprom> read(FileInputStream input) {
  87                 LinkedList<AltosEeprom> minis = new LinkedList<AltosEeprom>();
  88
  89                 for (;;) {
  90                         try {
  91                                 String line = AltosLib.gets(input);
  92                                 if (line == null)
  93                                         break;
  94                                 AltosEepromMini mini = new AltosEepromMini(line);
  95                                 minis.add(mini);
  96                         } catch (IOException ie) {
  97                                 break;
  98                         }
  99                 }
 100
 101                 return minis;
 102         }
 103 }