2 * Copyright © 2011 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
19 package org.altusmetrum.altoslib_11;
21 public class AltosTelemetryMegaData extends AltosTelemetryStandard {
37 public AltosTelemetryMegaData(int[] bytes) {
47 for (int i = 0; i < 6; i++) {
48 sense[i] = uint8(10 + i) << 4;
49 sense[i] |= sense[i] >> 8;
52 ground_pres = int32(16);
53 ground_accel = int16(20);
54 accel_plus_g = int16(22);
55 accel_minus_g = int16(24);
57 acceleration = int16(26);
60 height_16 = int16(30);
63 public void update_state(AltosState state) {
64 super.update_state(state);
66 state.set_state(this.state);
68 state.set_battery_voltage(AltosConvert.mega_battery_voltage(v_batt));
69 state.set_pyro_voltage(AltosConvert.mega_pyro_voltage(v_pyro));
71 state.set_apogee_voltage(AltosConvert.mega_pyro_voltage(sense[4]));
72 state.set_main_voltage(AltosConvert.mega_pyro_voltage(sense[5]));
74 double voltages[] = new double[4];
75 for (int i = 0; i < 4; i++)
76 voltages[i] = AltosConvert.mega_pyro_voltage(sense[i]);
78 state.set_ignitor_voltage(voltages);
80 state.set_ground_accel(ground_accel);
81 state.set_ground_pressure(ground_pres);
82 state.set_accel_g(accel_plus_g, accel_minus_g);
84 /* Fill in the high bits of height from recent GPS
85 * data if available, otherwise guess using the
86 * previous kalman height
89 state.set_kalman(extend_height(state, height_16),
90 speed/16.0, acceleration / 16.0);