Initial Commit - Copy from Altus Metrum AltOS

altoslib/AltosMma655x.java

@@ -0,0 +1,78 @@
+/*
+ * 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_14;
+
+import java.util.concurrent.*;
+
+public class AltosMma655x implements Cloneable {
+
+	private int	accel;
+
+	public boolean parse_line(String line) throws NumberFormatException {
+		if (line.startsWith("MMA655X value")) {
+			String[] items = line.split("\\s+");
+			if (items.length >= 3) {
+				accel = Integer.parseInt(items[2]);
+				return true;
+			}
+		}
+		return false;
+	}
+
+	public AltosMma655x() {
+		accel = AltosLib.MISSING;
+	}
+
+	public AltosMma655x clone() {
+		AltosMma655x	n = new AltosMma655x();
+
+		n.accel = accel;
+		return n;
+	}
+
+	static public void provide_data(AltosDataListener listener, AltosLink link) throws InterruptedException, AltosUnknownProduct {
+		try {
+			AltosMma655x	mma655x = new AltosMma655x(link);
+			AltosCalData	cal_data = listener.cal_data();
+
+			if (mma655x != null) {
+				int accel = mma655x.accel;
+				if (cal_data.mma655x_inverted)
+					accel = 4095 - accel;
+				if (cal_data.pad_orientation == AltosLib.AO_PAD_ORIENTATION_ANTENNA_DOWN)
+					accel = 4095 - accel;
+				listener.set_acceleration(cal_data.acceleration(accel));
+			}
+		} catch (TimeoutException te) {
+		} catch (NumberFormatException ne) {
+		}
+	}
+
+	public AltosMma655x(AltosLink link) throws InterruptedException, TimeoutException, NumberFormatException {
+		this();
+		link.printf("A\n");
+		for (;;) {
+			String line = link.get_reply_no_dialog(5000);
+			if (line == null)
+				throw new TimeoutException();
+			if (parse_line(line))
+				break;
+		}
+	}
+}