X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=ao-tools%2Faltosui%2FAltosSerial.java;h=e4cedde22b6d6b9c0deedc6c2a506a94f32d0516;hp=82663eab51d2a5d6711b352b354636538a5ea193;hb=a7fc7901cd591c93d9d0cffeec2977ebb17554d4;hpb=7f233369e32c3254165ee251df0a3dbc21ea5a29 diff --git a/ao-tools/altosui/AltosSerial.java b/ao-tools/altosui/AltosSerial.java index 82663eab..e4cedde2 100644 --- a/ao-tools/altosui/AltosSerial.java +++ b/ao-tools/altosui/AltosSerial.java @@ -21,18 +21,13 @@ package altosui; -import java.lang.String; -import java.lang.System; -import java.lang.Character; -import java.io.FileInputStream; -import java.io.FileOutputStream; -import java.io.IOException; -import java.io.FileNotFoundException; +import java.lang.*; +import java.io.*; import java.util.concurrent.LinkedBlockingQueue; -import java.lang.InterruptedException; import java.util.LinkedList; -import altosui.AltosSerialMonitor; import java.util.Iterator; +import gnu.io.*; +import altosui.AltosSerialMonitor; /* * This class reads from the serial port and places each received @@ -40,16 +35,22 @@ import java.util.Iterator; * threads. */ class AltosSerialReader implements Runnable { - FileInputStream serial_in; + InputStream serial_in; LinkedBlockingQueue monitor_queue; LinkedBlockingQueue reply_queue; + Thread input_thread; String line; public void run () { int c; try { - while ((c = serial_in.read()) != -1) { + for (;;) { + c = serial_in.read(); + if (Thread.interrupted()) + break; + if (c == -1) + continue; if (c == '\r') continue; synchronized(this) { @@ -71,20 +72,14 @@ class AltosSerialReader implements Runnable { } } - public String get_telem() { - try { - return monitor_queue.take(); - } catch (InterruptedException e) { - return ""; - } + public String get_telem() throws InterruptedException { + String s = monitor_queue.take(); + System.out.println(s); + return s; } - public String get_reply() { - try { - return reply_queue.take(); - } catch (InterruptedException e) { - return ""; - } + public String get_reply() throws InterruptedException { + return reply_queue.take(); } public void flush () { @@ -94,56 +89,106 @@ class AltosSerialReader implements Runnable { reply_queue.clear(); } } - public AltosSerialReader (FileInputStream in) { - serial_in = in; - monitor_queue = new LinkedBlockingQueue (); - reply_queue = new LinkedBlockingQueue (); - line = ""; - } -} + public boolean opened() { + return serial_in != null; + } -public class AltosSerial implements Runnable { - FileInputStream serial_in = null; - FileOutputStream serial_out = null; - AltosSerialReader reader; - LinkedList callbacks; - - public void run() { - for (;;) { - String s = reader.get_reply(); - synchronized(callbacks) { - Iterator i = callbacks.iterator(); - while (i.hasNext()) { - i.next().data(s); - } + public void close() { + if (serial_in != null) { + try { + serial_in.close(); + } catch (IOException e) { } + serial_in = null; + } + if (input_thread != null) { + try { + input_thread.interrupt(); + input_thread.join(); + } catch (InterruptedException e) { + } + input_thread = null; } } - public void start () { + public void open(File name) throws FileNotFoundException { + close(); + serial_in = new FileInputStream(name); + input_thread = new Thread(this); + input_thread.start(); + } + public void open(CommPort c) throws IOException { + close(); try { - serial_out.write('?'); - serial_out.write('\r'); - } catch (IOException e) { + c.enableReceiveTimeout(1000); /* icky. the read method cannot be interrupted */ + } catch (UnsupportedCommOperationException ee) { } - (new Thread(reader)).start(); - (new Thread(this)).start(); + serial_in = c.getInputStream(); + input_thread = new Thread(this); + input_thread.start(); + } + public AltosSerialReader () { + serial_in = null; + input_thread = null; + line = ""; + monitor_queue = new LinkedBlockingQueue (); + reply_queue = new LinkedBlockingQueue (); } - public void monitor(AltosSerialMonitor monitor) { - synchronized(callbacks) { - callbacks.add(monitor); - } +} + +public class AltosSerial { + OutputStream serial_out = null; + AltosSerialReader reader = null; + + public String get_telem() throws InterruptedException { + return reader.get_telem(); } - public AltosSerial(String serial_name) { + CommPort comm_port = null; + + public void close() { try { - serial_in = new FileInputStream(serial_name); - serial_out = new FileOutputStream(serial_name); - reader = new AltosSerialReader(serial_in); - callbacks = new LinkedList(); - } catch (FileNotFoundException e) { + serial_out.close(); + } catch (IOException ee) { + } + reader.close(); + if (comm_port != null) { + comm_port.close(); } } + + public void open(File serial_name) throws FileNotFoundException { + reader.open(serial_name); + serial_out = new FileOutputStream(serial_name); + } + + public void open(CommPort c) throws IOException { + reader.open(c); + serial_out = c.getOutputStream(); + } + + public void connect(String port_name) throws IOException, NoSuchPortException, PortInUseException { + comm_port = new RXTXPort(port_name); + open(comm_port); + } + + void init() { + reader = new AltosSerialReader(); + } + + public AltosSerial() { + init(); + } + + public AltosSerial(File serial_name) throws FileNotFoundException { + init(); + open(serial_name); + } + + public AltosSerial(CommPort comm_port) throws IOException { + init(); + open(comm_port); + } }