TeleStern/altoslib/AltosEepromRecordTiny.java

87 lines
2.1 KiB
Java

/*
* Copyright © 2017 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, either version 2 of the License, or
* (at your option) any later version.
*
* 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.
*/
package org.altusmetrum.altoslib_14;
public class AltosEepromRecordTiny extends AltosEepromRecord implements AltosDataProvider {
public static final int record_length = 2;
private int value() {
return eeprom.data16(start);
}
public boolean valid(int s) {
return eeprom.data16(s) != 0xffff;
}
public int cmd() {
if (start == 0)
return AltosLib.AO_LOG_FLIGHT;
if ((value() & 0x8000) != 0)
return AltosLib.AO_LOG_STATE;
return AltosLib.AO_LOG_SENSOR;
}
public int tick() {
int tick = 0;
int step = 10;
for (int i = 2; i < start; i += 2)
{
int v = eeprom.data16(i);
if ((v & 0x8000) != 0) {
if ((v & 0x7fff) >= AltosLib.ao_flight_drogue)
step = 100;
} else {
tick += step;
}
}
return tick;
}
public void provide_data(AltosDataListener listener) {
int value = data16(-header_length);
listener.set_tick(tick());
switch (cmd()) {
case AltosLib.AO_LOG_FLIGHT:
listener.set_state(AltosLib.ao_flight_pad);
listener.cal_data().set_flight(value);
listener.cal_data().set_boost_tick();
break;
case AltosLib.AO_LOG_STATE:
listener.set_state(value & 0x7fff);
break;
case AltosLib.AO_LOG_SENSOR:
listener.set_pressure(AltosConvert.barometer_to_pressure(value));
break;
}
}
public AltosEepromRecord next() {
int s = next_start();
if (s < 0)
return null;
return new AltosEepromRecordTiny(eeprom, s);
}
public AltosEepromRecordTiny(AltosEeprom eeprom, int start) {
super(eeprom, start, record_length);
}
public AltosEepromRecordTiny(AltosEeprom eeprom) {
this(eeprom, 0);
}
}