87 lines
2.1 KiB
Java
87 lines
2.1 KiB
Java
/*
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* Copyright © 2017 Keith Packard <keithp@keithp.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*/
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package org.altusmetrum.altoslib_14;
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public class AltosEepromRecordTiny extends AltosEepromRecord implements AltosDataProvider {
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public static final int record_length = 2;
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private int value() {
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return eeprom.data16(start);
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}
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public boolean valid(int s) {
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return eeprom.data16(s) != 0xffff;
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}
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public int cmd() {
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if (start == 0)
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return AltosLib.AO_LOG_FLIGHT;
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if ((value() & 0x8000) != 0)
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return AltosLib.AO_LOG_STATE;
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return AltosLib.AO_LOG_SENSOR;
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}
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public int tick() {
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int tick = 0;
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int step = 10;
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for (int i = 2; i < start; i += 2)
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{
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int v = eeprom.data16(i);
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if ((v & 0x8000) != 0) {
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if ((v & 0x7fff) >= AltosLib.ao_flight_drogue)
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step = 100;
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} else {
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tick += step;
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}
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}
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return tick;
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}
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public void provide_data(AltosDataListener listener) {
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int value = data16(-header_length);
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listener.set_tick(tick());
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switch (cmd()) {
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case AltosLib.AO_LOG_FLIGHT:
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listener.set_state(AltosLib.ao_flight_pad);
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listener.cal_data().set_flight(value);
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listener.cal_data().set_boost_tick();
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break;
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case AltosLib.AO_LOG_STATE:
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listener.set_state(value & 0x7fff);
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break;
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case AltosLib.AO_LOG_SENSOR:
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listener.set_pressure(AltosConvert.barometer_to_pressure(value));
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break;
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}
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}
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public AltosEepromRecord next() {
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int s = next_start();
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if (s < 0)
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return null;
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return new AltosEepromRecordTiny(eeprom, s);
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}
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public AltosEepromRecordTiny(AltosEeprom eeprom, int start) {
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super(eeprom, start, record_length);
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}
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public AltosEepromRecordTiny(AltosEeprom eeprom) {
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this(eeprom, 0);
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}
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}
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