/* * Copyright © 2017 Keith Packard * * 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_12; 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); } }