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_12;
21 public class AltosTelemetryMegaData extends AltosTelemetryStandard {
23 int state() { return uint8(5); }
25 int v_batt() { return int16(6); }
26 int v_pyro() { return int16(8); }
28 /* pyro sense values are sent in 8 bits, expand to 12 bits */
29 int sense(int i) { int v = uint8(10+i); return (v << 4) | (v >> 4); }
31 int ground_pres() { return int32(16); }
32 int ground_accel() { return int16(20); }
33 int accel_plus_g() { return int16(22); }
34 int accel_minus_g() { return int16(24);}
36 int acceleration() { return int16(26); }
37 int speed() { return int16(28); }
38 int height_16() { return int16(30); }
40 public AltosTelemetryMegaData(int[] bytes) throws AltosCRCException {
44 public void provide_data(AltosDataListener listener) {
45 super.provide_data(listener);
47 listener.set_state(state());
49 listener.set_battery_voltage(AltosConvert.mega_battery_voltage(v_batt()));
50 listener.set_pyro_voltage(AltosConvert.mega_pyro_voltage(v_pyro()));
52 listener.set_apogee_voltage(AltosConvert.mega_pyro_voltage(sense(4)));
53 listener.set_main_voltage(AltosConvert.mega_pyro_voltage(sense(5)));
55 double voltages[] = new double[4];
56 for (int i = 0; i < 4; i++)
57 voltages[i] = AltosConvert.mega_pyro_voltage(sense(i));
59 listener.set_igniter_voltage(voltages);
61 AltosCalData cal_data = listener.cal_data();
63 cal_data.set_ground_accel(ground_accel());
64 cal_data.set_ground_pressure(ground_pres());
65 cal_data.set_accel_plus_minus(accel_plus_g(), accel_minus_g());
67 /* Fill in the high bits of height from recent GPS
68 * data if available, otherwise guess using the
69 * previous kalman height
72 listener.set_kalman(height_16(), speed()/16.0, acceleration() / 16.0);