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; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
18 package org.altusmetrum.altoslib_9;
20 public class AltosTelemetryMegaData extends AltosTelemetryStandard {
36 public AltosTelemetryMegaData(int[] bytes) {
46 for (int i = 0; i < 6; i++) {
47 sense[i] = uint8(10 + i) << 4;
48 sense[i] |= sense[i] >> 8;
51 ground_pres = int32(16);
52 ground_accel = int16(20);
53 accel_plus_g = int16(22);
54 accel_minus_g = int16(24);
56 acceleration = int16(26);
59 height_16 = int16(30);
62 public void update_state(AltosState state) {
63 super.update_state(state);
65 state.set_state(this.state);
67 state.set_battery_voltage(AltosConvert.mega_battery_voltage(v_batt));
68 state.set_pyro_voltage(AltosConvert.mega_pyro_voltage(v_pyro));
70 state.set_apogee_voltage(AltosConvert.mega_pyro_voltage(sense[4]));
71 state.set_main_voltage(AltosConvert.mega_pyro_voltage(sense[5]));
73 double voltages[] = new double[4];
74 for (int i = 0; i < 4; i++)
75 voltages[i] = AltosConvert.mega_pyro_voltage(sense[i]);
77 state.set_ignitor_voltage(voltages);
79 state.set_ground_accel(ground_accel);
80 state.set_ground_pressure(ground_pres);
81 state.set_accel_g(accel_plus_g, accel_minus_g);
83 /* Fill in the high bits of height from recent GPS
84 * data if available, otherwise guess using the
85 * previous kalman height
88 state.set_kalman(extend_height(state, height_16),
89 speed/16.0, acceleration / 16.0);