Initial Commit - Copy from Altus Metrum AltOS

micropeak/MicroSerial.java

@@ -0,0 +1,74 @@
+/*
+ * 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.micropeak;
+
+import java.util.*;
+import java.io.*;
+import libaltosJNI.*;
+import org.altusmetrum.altosuilib_14.*;
+
+public class MicroSerial extends InputStream {
+	SWIGTYPE_p_altos_file	file;
+	private MicroSerialLog	log;
+
+	public int read() {
+		if (file == null)
+			return -1;
+		int	c = libaltos.altos_getchar(file, 0);
+		if (Thread.interrupted())
+			return -1;
+		if (c == -1)
+			return -1;
+		if (AltosUIPreferences.serial_debug)
+			System.out.printf("%c", c);
+		if (log != null)
+			log.log_char(c);
+		return c;
+	}
+
+	public void write(char c) {
+		libaltos.altos_putchar(file, c);
+	}
+
+	public void flush() {
+		libaltos.altos_flush(file);
+	}
+
+	public void close() {
+		if (file != null) {
+			libaltos.altos_close(file);
+			file = null;
+		}
+	}
+
+	public void set_log(MicroSerialLog log) {
+		this.log = log;
+	}
+
+	public MicroSerial(AltosDevice device) throws FileNotFoundException {
+		file = device.open();
+		log = null;
+		if (file == null) {
+			final String message = device.getErrorString();
+			throw new FileNotFoundException(String.format("%s (%s)",
+								      device.toShortString(),
+								      message));
+		}
+	}
+}