git.gag.com Git - fw/altos/blob - altoslib/AltosEepromTMini.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; 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.altoslib_11;
  20
  21 import java.io.*;
  22 import java.util.*;
  23 import java.text.*;
  24
  25 public class AltosEepromTMini extends AltosEeprom {
  26         public int      i;
  27         public int      a;
  28         public int      b;
  29
  30         public static final int record_length = 2;
  31
  32         public void write(PrintStream out) {
  33                 out.printf("%c %4x %4x %4x\n", cmd, tick, a, b);
  34         }
  35
  36         public int record_length() { return record_length; }
  37
  38         public String string() {
  39                 return String.format("%c %4x %4x %4x\n", cmd, tick, a, b);
  40         }
  41
  42         public void update_state(AltosState state) {
  43                 super.update_state(state);
  44
  45                 switch (cmd) {
  46                 case AltosLib.AO_LOG_FLIGHT:
  47                         state.set_state(AltosLib.ao_flight_boost);
  48                         state.set_flight(b);
  49                         break;
  50                 case AltosLib.AO_LOG_PRESSURE:
  51                         if (tick == 0)
  52                                 state.set_ground_pressure(AltosConvert.barometer_to_pressure(b));
  53                         else
  54                                 state.set_pressure(AltosConvert.barometer_to_pressure(b));
  55                         break;
  56                 case AltosLib.AO_LOG_STATE:
  57                         state.set_state(a);
  58                         break;
  59                 }
  60         }
  61
  62         public AltosEepromTMini (AltosEepromChunk chunk, int start, AltosState state) throws ParseException {
  63                 int     value = chunk.data16(start);
  64
  65                 int     i = (chunk.address + start) / record_length;
  66
  67                 cmd = chunk.data(start);
  68                 valid = true;
  69
  70                 valid = !chunk.erased(start, record_length);
  71
  72                 switch (i) {
  73                 case 0:
  74                         cmd = AltosLib.AO_LOG_FLIGHT;
  75                         tick = 0;
  76                         a = 0;
  77                         b = value;
  78                         break;
  79                 case 1:
  80                         cmd = AltosLib.AO_LOG_PRESSURE;
  81                         tick = 0;
  82                         a = 0;
  83                         b = value;
  84                         break;
  85                 default:
  86                         if ((value & 0x8000) != 0) {
  87                                 cmd = AltosLib.AO_LOG_STATE;
  88                                 tick = state.tick;
  89                                 a = value & 0x7fff;
  90                                 b = 0;
  91                         } else {
  92                                 if (state.ascent)
  93                                         tick = state.tick + 10;
  94                                 else
  95                                         tick = state.tick + 100;
  96                                 cmd = AltosLib.AO_LOG_PRESSURE;
  97                                 a = 0;
  98                                 b = value;
  99                         }
 100                         break;
 101                 }
 102         }
 103
 104         public AltosEepromTMini (String line) {
 105                 valid = false;
 106                 tick = 0;
 107                 a = 0;
 108                 b = 0;
 109                 if (line == null) {
 110                         cmd = AltosLib.AO_LOG_INVALID;
 111                 } else {
 112                         try {
 113                                 String[] tokens = line.split("\\s+");
 114
 115                                 if (tokens[0].length() == 1) {
 116                                         if (tokens.length != 4) {
 117                                                 cmd = AltosLib.AO_LOG_INVALID;
 118                                         } else {
 119                                                 cmd = tokens[0].codePointAt(0);
 120                                                 tick = Integer.parseInt(tokens[1],16);
 121                                                 valid = true;
 122                                                 a = Integer.parseInt(tokens[2],16);
 123                                                 b = Integer.parseInt(tokens[3],16);
 124                                         }
 125                                 } else {
 126                                         cmd = AltosLib.AO_LOG_INVALID;
 127                                 }
 128                         } catch (NumberFormatException ne) {
 129                                 cmd = AltosLib.AO_LOG_INVALID;
 130                         }
 131                 }
 132         }
 133
 134         public AltosEepromTMini(int in_cmd, int in_tick, int in_a, int in_b) {
 135                 valid = true;
 136                 cmd = in_cmd;
 137                 tick = in_tick;
 138                 a = in_a;
 139                 b = in_b;
 140         }
 141
 142         static public LinkedList<AltosEeprom> read(FileInputStream input) {
 143                 LinkedList<AltosEeprom> tms = new LinkedList<AltosEeprom>();
 144
 145                 for (;;) {
 146                         try {
 147                                 String line = AltosLib.gets(input);
 148                                 if (line == null)
 149                                         break;
 150                                 AltosEepromTMini tm = new AltosEepromTMini(line);
 151                                 tms.add(tm);
 152                         } catch (IOException ie) {
 153                                 break;
 154                         }
 155                 }
 156
 157                 return tms;
 158         }
 159
 160 }