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Diffstat (limited to 'altoslib/AltosEepromRecordTiny.java')
-rw-r--r-- | altoslib/AltosEepromRecordTiny.java | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/altoslib/AltosEepromRecordTiny.java b/altoslib/AltosEepromRecordTiny.java new file mode 100644 index 00000000..6c04bfee --- /dev/null +++ b/altoslib/AltosEepromRecordTiny.java @@ -0,0 +1,81 @@ +/* + * 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_11; + +public class AltosEepromRecordTiny extends AltosEepromRecord { + public static final int record_length = 2; + + private int value() { + return eeprom.data16(start); + } + + 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 update_state(AltosState state) { + int value = data16(-header_length); + + state.set_tick(tick()); + switch (cmd()) { + case AltosLib.AO_LOG_FLIGHT: + state.set_state(AltosLib.ao_flight_pad); + state.set_flight(value); + state.set_boost_tick(0); + break; + case AltosLib.AO_LOG_STATE: + state.set_state(value & 0x7fff); + break; + case AltosLib.AO_LOG_SENSOR: + state.set_pressure(AltosConvert.barometer_to_pressure(value)); + break; + } + } + + public AltosEepromRecord next() { + if (start + record_length * 2 < eeprom.data.size()) + return new AltosEepromRecordTiny(eeprom, start + record_length); + return null; + } + + public AltosEepromRecordTiny(AltosEepromNew eeprom, int start) { + super(eeprom, start, record_length); + } + + public AltosEepromRecordTiny(AltosEepromNew eeprom) { + this(eeprom, 0); + } +} |