*
* 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; version 2 of the License.
+ * 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
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
-package org.altusmetrum.altoslib_5;
+package org.altusmetrum.altoslib_12;
import java.util.concurrent.*;
+import java.io.*;
public class AltosIMU implements Cloneable {
- public double accel_x;
- public double accel_y;
- public double accel_z;
+ public int accel_x;
+ public int accel_y;
+ public int accel_z;
- public double gyro_x;
- public double gyro_y;
- public double gyro_z;
+ public int gyro_x;
+ public int gyro_y;
+ public int gyro_z;
-/*
- * XXX use ground measurements to adjust values
-
- public double ground_accel_x;
- public double ground_accel_y;
- public double ground_accel_z;
-
- public double ground_gyro_x;
- public double ground_gyro_y;
- public double ground_gyro_z;
-*/
+ public static final double counts_per_g = 2048.0;
- public static int counts_per_g = 2048;
-
- public static double convert_accel(int counts) {
- return (double) counts / (double) counts_per_g * (-AltosConvert.GRAVITATIONAL_ACCELERATION);
+ public static double convert_accel(double counts) {
+ return counts / counts_per_g * AltosConvert.gravity;
}
- public static double counts_per_degsec = 16.4;
+ /* In radians */
+ public static final double GYRO_FULLSCALE_DEGREES = 2000.0;
+ public static final double GYRO_COUNTS = 32767.0;
- public static double convert_gyro(int counts) {
- return (double) counts / counts_per_degsec;
+ public static double gyro_degrees_per_second(double counts, double cal) {
+ return (counts - cal) * GYRO_FULLSCALE_DEGREES / GYRO_COUNTS;
}
public boolean parse_string(String line) {
String[] items = line.split("\\s+");
if (items.length >= 8) {
- accel_x = convert_accel(Integer.parseInt(items[1]));
- accel_y = convert_accel(Integer.parseInt(items[2]));
- accel_z = convert_accel(Integer.parseInt(items[3]));
- gyro_x = convert_gyro(Integer.parseInt(items[5]));
- gyro_y = convert_gyro(Integer.parseInt(items[6]));
- gyro_z = convert_gyro(Integer.parseInt(items[7]));
+ accel_x = Integer.parseInt(items[1]);
+ accel_y = Integer.parseInt(items[2]);
+ accel_z = Integer.parseInt(items[3]);
+ gyro_x = Integer.parseInt(items[5]);
+ gyro_y = Integer.parseInt(items[6]);
+ gyro_z = Integer.parseInt(items[7]);
}
return true;
}
return n;
}
- static public void update_state(AltosState state, AltosLink link, AltosConfigData config_data) throws InterruptedException {
+ static public void provide_data(AltosDataListener listener, AltosLink link) throws InterruptedException {
try {
AltosIMU imu = new AltosIMU(link);
-
- if (imu != null)
- state.set_imu(imu);
+ AltosCalData cal_data = listener.cal_data();
+
+ if (imu != null) {
+ listener.set_gyro(cal_data.gyro_roll(imu.gyro_y),
+ cal_data.gyro_pitch(imu.gyro_x),
+ cal_data.gyro_yaw(imu.gyro_z));
+ listener.set_accel_ground(cal_data.accel_along(imu.accel_y),
+ cal_data.accel_across(imu.accel_x),
+ cal_data.accel_through(imu.accel_z));
+ }
} catch (TimeoutException te) {
}
}