--- /dev/null
+/*
+ * Copyright © 2017 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 3 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.,
+ * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+
+package org.altusmetrum.altoslib_12;
+
+import java.io.*;
+import java.util.concurrent.*;
+
+public interface AltosAccelCalListener {
+ public void set_thread(AltosAccelCal cal, Thread thread);
+
+ public void set_phase(AltosAccelCal cal, int phase);
+
+ public void cal_done(AltosAccelCal cal, int plus, int minus);
+
+ public void error(AltosAccelCal cal, String msg);
+
+ public void message(AltosAccelCal cal, String msg);
+}