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/*
* Copyright © 2010 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; version 2 of the License.
*
* 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 altosui;
import java.io.*;
import java.util.concurrent.*;
import java.awt.*;
import org.altusmetrum.altosuilib_9.*;
public class AltosLaunch {
AltosDevice device;
AltosSerial serial;
boolean serial_started;
int launcher_serial;
int launcher_channel;
int rssi;
final static int Unknown = -1;
final static int Good = 0;
final static int Bad = 1;
int armed;
int igniter;
private void start_serial() throws InterruptedException {
serial_started = true;
}
private void stop_serial() throws InterruptedException {
if (!serial_started)
return;
serial_started = false;
if (serial == null)
return;
}
class string_ref {
String value;
public String get() {
return value;
}
public void set(String i) {
value = i;
}
public string_ref() {
value = null;
}
}
private boolean get_string(String line, String label, string_ref s) {
if (line.startsWith(label)) {
String quoted = line.substring(label.length()).trim();
if (quoted.startsWith("\""))
quoted = quoted.substring(1);
if (quoted.endsWith("\""))
quoted = quoted.substring(0,quoted.length()-1);
s.set(quoted);
return true;
} else {
return false;
}
}
public boolean status() throws InterruptedException, TimeoutException {
boolean ok = false;
if (serial == null)
return false;
string_ref status_name = new string_ref();
start_serial();
serial.printf("l %d %d\n", launcher_serial, launcher_channel);
for (;;) {
String line = serial.get_reply(20000);
if (line == null)
throw new TimeoutException();
if (get_string(line, "Rssi: ", status_name)) {
try {
rssi = Altos.fromdec(status_name.get());
} catch (NumberFormatException ne) {
}
break;
} else if (get_string(line, "Armed: ", status_name)) {
armed = Good;
String status = status_name.get();
if (status.startsWith("igniter good"))
igniter = Good;
else if (status.startsWith("igniter bad"))
igniter = Bad;
else
igniter = Unknown;
ok = true;
} else if (get_string(line, "Disarmed: ", status_name)) {
armed = Bad;
if (status_name.get().startsWith("igniter good"))
igniter = Good;
else if (status_name.get().startsWith("igniter bad"))
igniter = Bad;
else
igniter = Unknown;
ok = true;
} else if (get_string(line, "Error ", status_name)) {
armed = Unknown;
igniter = Unknown;
ok = false;
break;
}
}
stop_serial();
if (!ok) {
armed = Unknown;
igniter = Unknown;
}
return ok;
}
public static String status_string(int status) {
switch (status) {
case Good:
return "good";
case Bad:
return "open";
}
return "unknown";
}
public void arm() {
if (serial == null)
return;
try {
start_serial();
serial.printf("a %d %d\n", launcher_serial, launcher_channel);
serial.flush_output();
} catch (InterruptedException ie) {
} finally {
try {
stop_serial();
} catch (InterruptedException ie) {
}
}
}
public void fire() {
if (serial == null)
return;
try {
start_serial();
serial.printf("i %d %d\n", launcher_serial, launcher_channel);
serial.flush_output();
} catch (InterruptedException ie) {
} finally {
try {
stop_serial();
} catch (InterruptedException ie) {
}
}
}
public void close() {
try {
stop_serial();
} catch (InterruptedException ie) {
}
serial.close();
serial = null;
}
public void set_frame(Frame frame) {
serial.set_frame(frame);
}
public void set_remote(int in_serial, int in_channel) {
launcher_serial = in_serial;
launcher_channel = in_channel;
}
public AltosLaunch(AltosDevice in_device) throws FileNotFoundException, AltosSerialInUseException {
device = in_device;
serial = new AltosSerial(device);
}
}
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