X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=altoslib%2FAltosIMU.java;h=ecc02f15b5d2dda6e7b8c62be7027eff2984e7dd;hb=1b5ea911049a8afae6af475a4a2bf62a6e3aa57b;hp=88e36544e63afc75acb59ccfac6b933d27842c8d;hpb=dd43a2ae7594f062a8980d1756a07488ee54b447;p=fw%2Faltos diff --git a/altoslib/AltosIMU.java b/altoslib/AltosIMU.java index 88e36544..ecc02f15 100644 --- a/altoslib/AltosIMU.java +++ b/altoslib/AltosIMU.java @@ -15,15 +15,166 @@ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -package altoslib; +package org.altusmetrum.altoslib_11; -public class AltosIMU { - public int accel_x; - public int accel_y; - public int accel_z; +import java.util.concurrent.*; +import java.io.*; - public int gyro_x; - public int gyro_y; - public int gyro_z; +public class AltosIMU implements Cloneable, AltosHashable, AltosJsonable { + public int accel_along; + public int accel_across; + public int accel_through; + + public int gyro_roll; + public int gyro_pitch; + public int gyro_yaw; + + public static final double counts_per_g = 2048.0; + + public static double convert_accel(double counts) { + return counts / counts_per_g * (-AltosConvert.GRAVITATIONAL_ACCELERATION); + } + + public static final double counts_per_degsec = 16.4; + + public static double convert_gyro(double counts) { + return counts / counts_per_degsec; + } + + public boolean parse_string(String line) { + if (!line.startsWith("Accel:")) + return false; + + String[] items = line.split("\\s+"); + + if (items.length >= 8) { + accel_along = Integer.parseInt(items[1]); + accel_across = Integer.parseInt(items[2]); + accel_through = Integer.parseInt(items[3]); + gyro_roll = Integer.parseInt(items[5]); + gyro_pitch = Integer.parseInt(items[6]); + gyro_yaw = Integer.parseInt(items[7]); + } + return true; + } + + public AltosIMU clone() { + AltosIMU n = new AltosIMU(); + + n.accel_along = accel_along; + n.accel_across = accel_across; + n.accel_through = accel_through; + + n.gyro_roll = gyro_roll; + n.gyro_pitch = gyro_pitch; + n.gyro_yaw = gyro_yaw; + return n; + } + + static public void update_state(AltosState state, AltosLink link, AltosConfigData config_data) throws InterruptedException { + try { + AltosIMU imu = new AltosIMU(link); + + if (imu != null) + state.set_imu(imu); + } catch (TimeoutException te) { + } + } + + public AltosIMU() { + accel_along = AltosLib.MISSING; + accel_across = AltosLib.MISSING; + accel_through = AltosLib.MISSING; + + gyro_roll = AltosLib.MISSING; + gyro_pitch = AltosLib.MISSING; + gyro_yaw = AltosLib.MISSING; + } + + public AltosIMU(int accel_along, int accel_across, int accel_through, + int gyro_roll, int gyro_pitch, int gyro_yaw) { + + this.accel_along = accel_along; + this.accel_across = accel_across; + this.accel_through = accel_through; + + this.gyro_roll = gyro_roll; + this.gyro_pitch = gyro_pitch; + this.gyro_yaw = gyro_yaw; + } + + public AltosIMU(AltosLink link) throws InterruptedException, TimeoutException { + this(); + link.printf("I\n"); + for (;;) { + String line = link.get_reply_no_dialog(5000); + if (line == null) { + throw new TimeoutException(); + } + if (parse_string(line)) + break; + } + } + + public AltosIMU (AltosHashSet h) { + this(); + + accel_along = h.getInt("accel_along", accel_along); + accel_across = h.getInt("accel_across", accel_across); + accel_through = h.getInt("accel_through", accel_through); + + gyro_roll = h.getInt("gyro_roll", gyro_roll); + gyro_pitch = h.getInt("gyro_pitch", gyro_pitch); + gyro_yaw = h.getInt("gyro_yaw", gyro_yaw); + } + + public AltosIMU (AltosJson j) { + this(); + + accel_along = j.get_int("accel_along", accel_along); + accel_across = j.get_int("accel_across", accel_across); + accel_through = j.get_int("accel_through", accel_through); + + gyro_roll = j.get_int("gyro_roll", gyro_roll); + gyro_pitch = j.get_int("gyro_pitch", gyro_pitch); + gyro_yaw = j.get_int("gyro_yaw", gyro_yaw); + } + + static public AltosIMU fromHashSet(AltosHashSet h, AltosIMU def) { + if (h == null) + return def; + return new AltosIMU(h); + } + + static public AltosIMU fromJson(AltosJson j, AltosIMU def) { + if (j == null) + return def; + return new AltosIMU(j); + } + + public AltosHashSet hashSet() { + AltosHashSet h = new AltosHashSet(); + + h.putInt("accel_along", accel_along); + h.putInt("accel_across", accel_across); + h.putInt("accel_through", accel_through); + + h.putInt("gyro_roll", gyro_roll); + h.putInt("gyro_pitch", gyro_pitch); + h.putInt("gyro_yaw", gyro_yaw); + return h; + } + + public AltosJson json() { + AltosJson j = new AltosJson(); + + j.put("accel_along", accel_along); + j.put("accel_across", accel_across); + j.put("accel_through", accel_through); + + j.put("gyro_roll", gyro_roll); + j.put("gyro_pitch", gyro_pitch); + j.put("gyro_yaw", gyro_yaw); + return j; + } } - \ No newline at end of file