Merge branch 'master' into new-state
[fw/altos] / 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 data8(int i) {
28                 return data8[i];
29         }
30
31         public int data16(int i) {
32                 return ((data8[i] | (data8[i+1] << 8)) << 16) >> 16;
33         }
34
35         public int data24(int i) {
36                 return data8[i] | (data8[i+1] << 8) | (data8[i+2] << 16);
37         }
38
39         public int data32(int i) {
40                 return data8[i] | (data8[i+1] << 8) | (data8[i+2] << 16) | (data8[i+3] << 24);
41         }
42
43         /* AO_LOG_FLIGHT elements */
44         public int flight() { return data16(0); }
45         public int ground_pres() { return data32(4); }
46
47         /* AO_LOG_STATE elements */
48         public int state() { return data16(0); }
49         public int reason() { return data16(2); }
50
51         /* AO_LOG_SENSOR elements */
52         public int pres() { return data24(0); }
53         public int temp() { return data24(3); }
54         public int sense_a() { return data16(6); }
55         public int sense_m() { return data16(8); }
56         public int v_batt() { return data16(10); }
57
58         double voltage(AltosState state, int sensor) {
59                 double  supply;
60
61                 if (state.log_format == AltosLib.AO_LOG_FORMAT_EASYMINI)
62                         supply = 3.0;
63                 else
64                         supply = 3.3;
65                 return sensor / 32767.0 * supply * 127/27;
66         }
67
68         public void update_state(AltosState state) {
69                 switch (cmd) {
70                 case AltosLib.AO_LOG_FLIGHT:
71                         state.set_flight(flight());
72                         state.set_ground_pressure(ground_pres());
73                         break;
74                 case AltosLib.AO_LOG_STATE:
75                         state.set_state(state());
76                         break;
77                 case AltosLib.AO_LOG_SENSOR:
78                         state.set_ms5607(pres(), temp());
79                         state.set_apogee_voltage(voltage(state, sense_a()));
80                         state.set_main_voltage(voltage(state, sense_m()));
81                         state.set_battery_voltage(voltage(state, v_batt()));
82                         break;
83                 }
84         }
85
86         public AltosEepromMini (AltosEepromChunk chunk, int start) throws ParseException {
87                 parse_chunk(chunk, start, record_length);
88         }
89
90         public AltosEepromMini (String line) {
91                 parse_string(line, record_length);
92         }
93
94         public AltosEepromMini(int in_cmd, int in_tick) {
95                 cmd = in_cmd;
96                 tick = in_tick;
97                 valid = true;
98         }
99
100         static public LinkedList<AltosEeprom> read(FileInputStream input) {
101                 LinkedList<AltosEeprom> minis = new LinkedList<AltosEeprom>();
102
103                 for (;;) {
104                         try {
105                                 String line = AltosLib.gets(input);
106                                 if (line == null)
107                                         break;
108                                 AltosEepromMini mini = new AltosEepromMini(line);
109                                 minis.add(mini);
110                         } catch (IOException ie) {
111                                 break;
112                         }
113                 }
114
115                 return minis;
116         }
117 }