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/*
* 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 altosui;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.filechooser.FileNameExtensionFilter;
import javax.swing.table.*;
import java.io.*;
import java.util.*;
import java.text.*;
import java.util.prefs.*;
import java.util.concurrent.LinkedBlockingQueue;
import altosui.AltosRecord;
import altosui.AltosState;
import altosui.AltosDeviceDialog;
import altosui.AltosPreferences;
import altosui.AltosLog;
import altosui.AltosVoice;
import altosui.AltosEepromMonitor;
public class AltosEepromReader {
static final int seen_flight = 1;
static final int seen_sensor = 2;
static final int seen_temp_volt = 4;
static final int seen_deploy = 8;
static final int seen_basic = seen_flight|seen_sensor|seen_temp_volt|seen_deploy;
static final int seen_gps_time = 16;
AltosRecord state;
AltosEepromRecord record;
int seen;
int tick;
boolean done;
FileInputStream input;
public AltosRecord read() throws IOException, ParseException {
for (;;) {
if (record == null) {
record = new AltosEepromRecord(AltosRecord.gets(input));
if (record == null) {
if (done)
return null;
return state;
}
/* eeprom only records low 16 bits of tick count */
int tick = record.tick | (state.tick & ~0xffff);
if (tick < state.tick) {
if (state.tick - tick > 0x8000)
tick += 0x10000;
else
tick = state.tick;
}
/* Accumulate data in the state record while
* the time stamp is not increasing
*/
if ((seen & seen_basic) == seen_basic && tick > state.tick)
return new AltosRecord(state);
}
state.tick = tick;
switch (record.cmd) {
case Altos.AO_LOG_FLIGHT:
state.ground_accel = record.a;
state.flight = record.b;
break;
case Altos.AO_LOG_SENSOR:
state.accel = record.a;
state.pres = record.b;
break;
case Altos.AO_LOG_TEMP_VOLT:
state.temp = record.a;
state.batt = record.b;
break;
case Altos.AO_LOG_DEPLOY:
state.drogue = record.a;
state.main = record.b;
break;
case Altos.AO_LOG_GPS_TIME:
break;
}
record = null;
}
}
public AltosEepromReader (FileInputStream in_input) {
state = new AltosRecord();
input = in_input;
seen = 0;
done = false;
}
}
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