+++ /dev/null
-/*
- * 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.
- *
- * 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 org.altusmetrum.altoslib_11;
-
-import java.io.*;
-import java.util.*;
-import java.text.*;
-
-public class AltosEepromFireTwo extends AltosEeprom {
- public static final int record_length = 32;
-
- public int record_length() { return record_length; }
-
- /* AO_LOG_FLIGHT elements */
- public int flight() { return data16(0); }
- public int idle_pres() { return data16(2); }
- public int idle_thrust() { return data16(4); }
-
- /* AO_LOG_STATE elements */
- public int state() { return data16(0); }
- public int reason() { return data16(2); }
-
- /* AO_LOG_SENSOR elements */
- public int pres() { return data16(0); }
- public int thrust() { return data16(2); }
- public int temp(int i) { return data16(4+i*2); }
-
- public AltosEepromFireTwo (AltosEepromChunk chunk, int start) throws ParseException {
- parse_chunk(chunk, start);
- }
-
- private static final double r_above = 5600.0;
- private static final double r_below = 10000.0;
- private static final double v_adc = 3.3;
-
- private static double firetwo_adc(int raw) {
- return raw / 4095.0;
- }
-
- public static double adc_to_pa(int adc) {
-
- /* raw adc to processor voltage, then back through the
- * voltage divider to the sensor voltage
- */
-
- double v = firetwo_adc(adc) * v_adc * (r_above + r_below) / r_below;
-
- /* Bound to ranges provided in sensor */
- if (v < 0.5) v = 0.5;
- if (v > 4.5) v = 4.5;
-
- double psi = (v - 0.5) / 4.0 * 1600.0;
- return AltosConvert.psi_to_pa(psi);
- }
-
- public static double adc_to_n(int adc) {
- double v = firetwo_adc(adc);
-
- /* this is a total guess */
- return AltosConvert.lb_to_n(v * 298 * 9.807);
- }
-
- public void update_state(AltosState state) {
- super.update_state(state);
-
- switch (cmd) {
- case AltosLib.AO_LOG_FLIGHT:
- state.set_flight(flight());
- state.set_ground_pressure(adc_to_pa(idle_pres()));
- state.set_accel_g(0, -1);
- break;
- case AltosLib.AO_LOG_STATE:
- state.set_state(state());
- break;
- case AltosLib.AO_LOG_SENSOR:
- state.set_pressure(adc_to_pa(pres()));
- state.set_accel(firetwo_adc(thrust()) * 100);
- break;
- }
- }
-
- public AltosEepromFireTwo (String line) {
- parse_string(line);
- }
-
- static public LinkedList<AltosEeprom> read(FileInputStream input) {
- LinkedList<AltosEeprom> firetwos = new LinkedList<AltosEeprom>();
-
- for (;;) {
- try {
- String line = AltosLib.gets(input);
- if (line == null)
- break;
- try {
- AltosEepromFireTwo firetwo = new AltosEepromFireTwo(line);
-
- if (firetwo.cmd != AltosLib.AO_LOG_INVALID)
- firetwos.add(firetwo);
- } catch (Exception e) {
- System.out.printf ("exception\n");
- }
- } catch (IOException ie) {
- break;
- }
- }
-
- return firetwos;
- }
-}