[go: up one dir, main page]

File: AltosEepromTM.java

package info (click to toggle)
altos 1.5-1
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 56,096 kB
  • ctags: 26,906
  • sloc: ansic: 79,416; java: 30,518; makefile: 5,244; xml: 2,759; sh: 1,391
file content (205 lines) | stat: -rw-r--r-- 5,221 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
/*
 * Copyright © 2010 Keith Packard <keithp@keithp.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
 */

package org.altusmetrum.altoslib_5;

import java.io.*;
import java.util.*;
import java.text.*;

public class AltosEepromTM extends AltosEeprom {
	public int	a;
	public int	b;

	public static final int	record_length = 8;

	public void write(PrintStream out) {
		out.printf("%c %4x %4x %4x\n", cmd, tick, a, b);
	}

	public int record_length() { return record_length; }

	public String string() {
		return String.format("%c %4x %4x %4x\n", cmd, tick, a, b);
	}

	public void update_state(AltosState state) {
		super.update_state(state);

		AltosGPS	gps;

		/* Flush any pending GPS changes */
		if (state.gps_pending) {
			switch (cmd) {
			case AltosLib.AO_LOG_GPS_LAT:
			case AltosLib.AO_LOG_GPS_LON:
			case AltosLib.AO_LOG_GPS_ALT:
			case AltosLib.AO_LOG_GPS_SAT:
			case AltosLib.AO_LOG_GPS_DATE:
				break;
			default:
				state.set_temp_gps();
				break;
			}
		}

		switch (cmd) {
		case AltosLib.AO_LOG_FLIGHT:
			state.set_state(AltosLib.ao_flight_pad);
			state.set_ground_accel(a);
			state.set_flight(b);
			state.set_boost_tick(tick);
			break;
		case AltosLib.AO_LOG_SENSOR:
			state.set_accel(a);
			state.set_pressure(AltosConvert.barometer_to_pressure(b));
			break;
		case AltosLib.AO_LOG_PRESSURE:
			state.set_pressure(AltosConvert.barometer_to_pressure(b));
			break;
		case AltosLib.AO_LOG_TEMP_VOLT:
			state.set_temperature(AltosConvert.thermometer_to_temperature(a));
			state.set_battery_voltage(AltosConvert.cc_battery_to_voltage(b));
			break;
		case AltosLib.AO_LOG_DEPLOY:
			state.set_apogee_voltage(AltosConvert.cc_ignitor_to_voltage(a));
			state.set_main_voltage(AltosConvert.cc_ignitor_to_voltage(b));
			break;
		case AltosLib.AO_LOG_STATE:
			state.set_state(a);
			break;
		case AltosLib.AO_LOG_GPS_TIME:
			gps = state.make_temp_gps(false);

			gps.hour = (a & 0xff);
			gps.minute = (a >> 8);
			gps.second = (b & 0xff);

			int flags = (b >> 8);

			gps.connected = (flags & AltosLib.AO_GPS_RUNNING) != 0;
			gps.locked = (flags & AltosLib.AO_GPS_VALID) != 0;
			gps.nsat = (flags & AltosLib.AO_GPS_NUM_SAT_MASK) >>
				AltosLib.AO_GPS_NUM_SAT_SHIFT;
			break;
		case AltosLib.AO_LOG_GPS_LAT:
			gps = state.make_temp_gps(false);

			int lat32 = a | (b << 16);
			gps.lat = (double) lat32 / 1e7;
			break;
		case AltosLib.AO_LOG_GPS_LON:
			gps = state.make_temp_gps(false);

			int lon32 = a | (b << 16);
			gps.lon = (double) lon32 / 1e7;
			break;
		case AltosLib.AO_LOG_GPS_ALT:
			gps = state.make_temp_gps(false);
			gps.alt = a;
			break;
		case AltosLib.AO_LOG_GPS_SAT:
			gps = state.make_temp_gps(true);
			int svid = a;
			int c_n0 = b >> 8;
			gps.add_sat(svid, c_n0);
			break;
		case AltosLib.AO_LOG_GPS_DATE:
			gps = state.make_temp_gps(false);
			gps.year = (a & 0xff) + 2000;
			gps.month = a >> 8;
			gps.day = b & 0xff;
			break;
		}
	}

	public AltosEepromTM (AltosEepromChunk chunk, int start) throws ParseException {

		cmd = chunk.data(start);
		valid = true;

		valid = !chunk.erased(start, record_length);
		if (valid) {
			if (AltosConvert.checksum(chunk.data, start, record_length) != 0)
				throw new ParseException(String.format("invalid checksum at 0x%x",
								       chunk.address + start), 0);
		} else {
			cmd = AltosLib.AO_LOG_INVALID;
		}

		tick = chunk.data16(start + 2);
		a = chunk.data16(start + 4);
		b = chunk.data16(start + 6);
	}

	public AltosEepromTM (String line) {
		valid = false;
		tick = 0;
		a = 0;
		b = 0;
		if (line == null) {
			cmd = AltosLib.AO_LOG_INVALID;
		} else {
			try {
				String[] tokens = line.split("\\s+");

				if (tokens[0].length() == 1) {
					if (tokens.length != 4) {
						cmd = AltosLib.AO_LOG_INVALID;
					} else {
						cmd = tokens[0].codePointAt(0);
						tick = Integer.parseInt(tokens[1],16);
						valid = true;
						a = Integer.parseInt(tokens[2],16);
						b = Integer.parseInt(tokens[3],16);
					}
				} else {
					cmd = AltosLib.AO_LOG_INVALID;
				}
			} catch (NumberFormatException ne) {
				cmd = AltosLib.AO_LOG_INVALID;
			}
		}
	}

	public AltosEepromTM(int in_cmd, int in_tick, int in_a, int in_b) {
		valid = true;
		cmd = in_cmd;
		tick = in_tick;
		a = in_a;
		b = in_b;
	}

	static public LinkedList<AltosEeprom> read(FileInputStream input) {
		LinkedList<AltosEeprom> tms = new LinkedList<AltosEeprom>();

		for (;;) {
			try {
				String line = AltosLib.gets(input);
				if (line == null)
					break;
				AltosEepromTM tm = new AltosEepromTM(line);
				tms.add(tm);
			} catch (IOException ie) {
				break;
			}
		}

		return tms;
	}

}