altoslib: Add ADXL375 support and EasyMega v2.0 support
authorKeith Packard <keithp@keithp.com>
Fri, 19 Oct 2018 20:19:03 +0000 (13:19 -0700)
committerKeith Packard <keithp@keithp.com>
Fri, 19 Oct 2018 20:19:03 +0000 (13:19 -0700)
EasyMega v2.0 replaces the MMA655X with an ADXL375 part.

Signed-off-by: Keith Packard <keithp@keithp.com>
altoslib/AltosAdxl375.java [new file with mode: 0644]
altoslib/AltosCalData.java
altoslib/AltosConfigData.java
altoslib/AltosIdleFetch.java
altoslib/Makefile.am

diff --git a/altoslib/AltosAdxl375.java b/altoslib/AltosAdxl375.java
new file mode 100644 (file)
index 0000000..2129ed6
--- /dev/null
@@ -0,0 +1,93 @@
+/*
+ * Copyright © 2012 Keith Packard <keithp@keithp.com>
+ *
+ * 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; 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
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ */
+
+package org.altusmetrum.altoslib_13;
+
+import java.util.concurrent.*;
+
+public class AltosAdxl375 implements Cloneable {
+
+       private int     accel;
+       private int     axis;
+
+       public static final int X_AXIS = 0;
+       public static final int Y_AXIS = 1;
+       public static final int Z_AXIS = 2;
+
+       public boolean parse_line(String line) throws NumberFormatException {
+               if (line.startsWith("ADXL375 value")) {
+                       System.out.printf("adxl parse line %s\n", line);
+                       String[] items = line.split("\\s+");
+                       if (axis == AltosLib.MISSING)
+                               throw new NumberFormatException("No ADXL375 axis specified");
+                       if (items.length >= 3) {
+                               accel = Integer.parseInt(items[2 + axis]);
+                               System.out.printf("accel %d\n", accel);
+                               return true;
+                       }
+               }
+               return false;
+       }
+
+       public AltosAdxl375 clone() {
+               AltosAdxl375    n = new AltosAdxl375(axis);
+
+               n.accel = accel;
+               return n;
+       }
+
+       static public void provide_data(AltosDataListener listener, AltosLink link) throws InterruptedException, AltosUnknownProduct {
+               try {
+                       AltosCalData    cal_data = listener.cal_data();
+                       AltosAdxl375    adxl375 = new AltosAdxl375(link, cal_data.adxl375_axis);
+
+                       if (adxl375 != null) {
+                               int accel = adxl375.accel;
+                               if (cal_data.adxl375_inverted)
+                                       accel = -accel;
+                               if (cal_data.pad_orientation == 1)
+                                       accel = -accel;
+                               listener.set_acceleration(cal_data.acceleration(accel));
+                       }
+               } catch (TimeoutException te) {
+               } catch (NumberFormatException ne) {
+               }
+       }
+
+       public AltosAdxl375() {
+               accel = AltosLib.MISSING;
+               axis = AltosLib.MISSING;
+       }
+
+       public AltosAdxl375(int axis) {
+               this();
+               this.axis = axis;
+       }
+
+       public AltosAdxl375(AltosLink link, int axis) throws InterruptedException, TimeoutException, NumberFormatException {
+               this(axis);
+               link.printf("A\n");
+               for (;;) {
+                       String line = link.get_reply_no_dialog(5000);
+                       if (line == null)
+                               throw new TimeoutException();
+                       if (parse_line(line))
+                               break;
+               }
+       }
+}
index d448fdf..c3d7925 100644 (file)
@@ -133,6 +133,18 @@ public class AltosCalData {
                mma655x_inverted = inverted;
        }
 
+       public boolean adxl375_inverted = false;
+
+       public void set_adxl375_inverted(boolean inverted) {
+               adxl375_inverted = inverted;
+       }
+
+       public int adxl375_axis = AltosLib.MISSING;
+
+       public void set_adxl375_axis(int axis) {
+               adxl375_axis = axis;
+       }
+
        public int pad_orientation = AltosLib.MISSING;
 
        public void set_pad_orientation(int orientation) {
@@ -142,7 +154,11 @@ public class AltosCalData {
 
        /* Compute acceleration */
        public double acceleration(double sensor) {
-               return AltosConvert.acceleration_from_sensor(sensor, accel_plus_g, accel_minus_g, ground_accel);
+               double accel;
+               accel = AltosConvert.acceleration_from_sensor(sensor, accel_plus_g, accel_minus_g, ground_accel);
+               System.out.printf("acceleration %g (+ %g - %g g %g) -> %g\n",
+                                 sensor, accel_plus_g, accel_minus_g, ground_accel, accel);
+               return accel;
        }
 
        public AltosMs5607      ms5607 = null;
@@ -404,6 +420,14 @@ public class AltosCalData {
                        set_mma655x_inverted(config_data.mma655x_inverted());
                } catch (AltosUnknownProduct up) {
                }
+               try {
+                       set_adxl375_inverted(config_data.adxl375_inverted());
+               } catch (AltosUnknownProduct up) {
+               }
+               try {
+                       set_adxl375_axis(config_data.adxl375_axis());
+               } catch (AltosUnknownProduct up) {
+               }
                set_pad_orientation(config_data.pad_orientation);
        }
 }
index 48dab42..29ce033 100644 (file)
@@ -581,6 +581,22 @@ public class AltosConfigData {
                throw new AltosUnknownProduct(product);
        }
 
+       public boolean adxl375_inverted() throws AltosUnknownProduct {
+               if (product != null) {
+                       if (product.startsWith("EasyMega-v2"))
+                               return true;
+               }
+               throw new AltosUnknownProduct(product);
+       }
+
+       public int adxl375_axis() throws AltosUnknownProduct {
+               if (product != null) {
+                       if (product.startsWith("EasyMega-v2"))
+                               return AltosAdxl375.X_AXIS;
+               }
+               throw new AltosUnknownProduct(product);
+       }
+
        public void get_values(AltosConfigValues source) throws AltosConfigDataException {
 
                /* HAS_FLIGHT */
index 88a65e6..884d876 100644 (file)
@@ -32,7 +32,7 @@ class AltosIdler {
        static final int        idle_mag = 2;
        static final int        idle_mma655x = 4;
        static final int        idle_ms5607 = 5;
-
+       static final int        idle_adxl375 = 6;
 
        static final int        idle_sensor_tm = 10;
        static final int        idle_sensor_metrum = 11;
@@ -58,6 +58,9 @@ class AltosIdler {
                        case idle_mma655x:
                                AltosMma655x.provide_data(listener, link);
                                break;
+                       case idle_adxl375:
+                               AltosAdxl375.provide_data(listener, link);
+                               break;
                        case idle_ms5607:
                                AltosMs5607.provide_data(listener, link);
                                break;
@@ -157,11 +160,16 @@ public class AltosIdleFetch implements AltosDataProvider {
                               AltosIdler.idle_ms5607,
                               AltosIdler.idle_imu,
                               AltosIdler.idle_sensor_mega),
-               new AltosIdler("EasyMega",
+               new AltosIdler("EasyMega-v1",
                               AltosIdler.idle_mma655x,
                               AltosIdler.idle_ms5607,
                               AltosIdler.idle_imu, AltosIdler.idle_mag,
                               AltosIdler.idle_sensor_mega),
+               new AltosIdler("EasyMega-v2",
+                              AltosIdler.idle_adxl375,
+                              AltosIdler.idle_ms5607,
+                              AltosIdler.idle_imu,
+                              AltosIdler.idle_sensor_mega),
                new AltosIdler("TeleGPS",
                               AltosIdler.idle_gps,
                               AltosIdler.idle_sensor_tgps),
index 9297633..2f4e595 100644 (file)
@@ -28,6 +28,7 @@ altoslib_JAVA = \
        AltosLib.java \
        AltosAccelCal.java \
        AltosAccelCalListener.java \
+       AltosAdxl375.java \
        AltosCalData.java \
        AltosCompanion.java \
        AltosConfigData.java \