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https://github.com/badvision/jace.git
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Revamp of SSC port handling
This commit is contained in:
Brendan Robert
parent
3bca1f29c0
commit
52e07ebd54
@ -18,6 +18,7 @@
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*/
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package jace.hardware;
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import jace.EmulatorUILogic;
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import jace.config.ConfigurableField;
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import jace.config.Name;
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import jace.config.Reconfigurable;
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@ -26,15 +27,16 @@ import jace.core.Computer;
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import jace.core.RAMEvent;
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import jace.core.RAMEvent.TYPE;
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import jace.core.Utility;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.net.ServerSocket;
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import java.net.Socket;
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import java.net.SocketTimeoutException;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import javafx.scene.control.Label;
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import javax.swing.ImageIcon;
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/**
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* Super Serial Card with serial-over-tcp/ip support. This is fully compatible
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@ -43,12 +45,13 @@ import javax.swing.ImageIcon;
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* @author Brendan Robert (BLuRry) brendan.robert@gmail.com
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*/
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@Name("Super Serial Card")
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public class CardSSC extends Card implements Reconfigurable, Runnable {
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public class CardSSC extends Card implements Reconfigurable {
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@ConfigurableField(name = "TCP/IP Port", shortName = "port")
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public static short IP_PORT = 1977;
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public short IP_PORT = 1977;
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protected ServerSocket socket;
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protected Socket clientSocket;
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protected BufferedReader socketInput;
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protected Thread listenThread;
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private int lastInputByte = 0;
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private boolean FULL_ECHO = true;
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@ -82,7 +85,7 @@ public class CardSSC extends Card implements Reconfigurable, Runnable {
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// 1 stop bit (SW2-1 on)
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// 8 data bits (SW2-2 on)
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// No parity (SW2-3 don't care, SW2-4 off)
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private static int SW2_SETTING = 0x04;
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private int SW2_SETTING = 0x04;
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public int ACIA_Data = 0x08; // Read=Receive / Write=transmit
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public int ACIA_Status = 0x09; // Read=Status / Write=Reset
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public int ACIA_Command = 0x0A;
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@ -117,24 +120,28 @@ public class CardSSC extends Card implements Reconfigurable, Runnable {
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activityIndicator.setText("Slot " + slot);
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}
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@Override
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public void run() {
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boolean newInputAvailable = false;
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public void socketMonitor() {
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while (socket != null && !socket.isClosed()) {
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try {
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Logger.getLogger(CardSSC.class.getName()).log(Level.INFO, "Slot " + getSlot() + " listening on port " + IP_PORT, (Throwable) null);
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// System.out.println("Waiting for connect");
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while ((clientSocket = socket.accept()) != null) {
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socketInput = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
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clientConnected();
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clientSocket.setTcpNoDelay(true);
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while (isConnected()) {
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try {
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Thread.sleep(livenessCheck / 2);
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Thread.sleep(10);
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if (socketInput.ready()) {
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newInputAvailable = true;
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}
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} catch (InterruptedException ex) {
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// Do nothing
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}
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}
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clientDisconnected();
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hangUp();
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socketInput = null;
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}
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} catch (SocketTimeoutException ex) {
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// Do nothing
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@ -148,6 +155,7 @@ public class CardSSC extends Card implements Reconfigurable, Runnable {
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// Called when a client first connects via telnet
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public void clientConnected() {
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System.err.println("Client connected");
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}
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// Called when a client disconnects
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@ -179,10 +187,16 @@ public class CardSSC extends Card implements Reconfigurable, Runnable {
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@Override
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public void reset() {
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java.awt.EventQueue.invokeLater(() -> {
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Thread resetThread = new Thread(() -> {
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try {
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Thread.sleep(50);
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} catch (InterruptedException ex) {
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Logger.getLogger(CardSSC.class.getName()).log(Level.SEVERE, null, ex);
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}
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suspend();
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resume();
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});
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resetThread.start();
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}
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@Override
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@ -203,11 +217,8 @@ public class CardSSC extends Card implements Reconfigurable, Runnable {
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newValue |= (PORT_CONNECTED && inputAvailable()) ? 0x00 : 0x01;
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}
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if (register == ACIA_Data) {
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// Emulator.getFrame().addIndicator(this, activityIndicator);
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EmulatorUILogic.addIndicator(this, activityIndicator);
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newValue = getInputByte();
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if (RECV_IRQ_ENABLED) {
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triggerIRQ();
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}
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}
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if (register == ACIA_Status) {
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newValue = 0;
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@ -215,13 +226,11 @@ public class CardSSC extends Card implements Reconfigurable, Runnable {
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// 1 = Framing error (1)
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// 2 = Overrun error (1)
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// 3 = ACIA Receive Register full (1)
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if (inputAvailable()) {
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if (newInputAvailable || inputAvailable()) {
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newValue |= 0x08;
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}
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// 4 = ACIA Transmit Register empty (1)
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if (true) {
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newValue |= 0x010;
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}
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// 5 = Data Carrier Detect (DCD) true (0)
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// 6 = Data Set Ready (DSR) true (0)
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// 7 = Interrupt (IRQ) has occurred
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@ -231,7 +240,7 @@ public class CardSSC extends Card implements Reconfigurable, Runnable {
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IRQ_TRIGGERED = false;
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}
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if (register == ACIA_Command) {
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newValue = 0;
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newValue = DTR ? 1 : 0;
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// 0 = DTR Enable (1) / Disable (0) receiver and IRQ
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// 1 = Allow IRQ (1) when status bit 3 is true
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if (RECV_IRQ_ENABLED) {
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@ -255,7 +264,7 @@ public class CardSSC extends Card implements Reconfigurable, Runnable {
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break;
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case WRITE:
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if (register == ACIA_Data) {
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// Emulator.getFrame().addIndicator(this, activityIndicator);
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EmulatorUILogic.addIndicator(this, activityIndicator);
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sendOutputByte(value & 0x0FF);
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if (TRANS_IRQ_ENABLED) {
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triggerIRQ();
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@ -295,7 +304,7 @@ public class CardSSC extends Card implements Reconfigurable, Runnable {
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}
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// 4 = Normal mode 0, or Echo mode 1 (bits 2 and 3 must be 0)
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FULL_ECHO = ((value & 16) > 0);
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System.out.println("Echo set to " + FULL_ECHO);
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// System.out.println("Echo set to " + FULL_ECHO);
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// 5 = Control parity
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}
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if (register == ACIA_Control) {
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@ -326,7 +335,6 @@ public class CardSSC extends Card implements Reconfigurable, Runnable {
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e.setNewValue(newValue);
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value = newValue;
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}
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// System.out.println("SSC I/O "+type+", register "+register+", value "+value);
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} catch (IOException ex) {
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Logger.getLogger(CardSSC.class.getName()).log(Level.SEVERE, null, ex);
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}
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@ -334,12 +342,16 @@ public class CardSSC extends Card implements Reconfigurable, Runnable {
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@Override
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public void tick() {
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// Do nothing
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if (RECV_IRQ_ENABLED && newInputAvailable) {
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newInputAvailable = false;
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triggerIRQ();
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}
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}
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public boolean inputAvailable() throws IOException {
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if (isConnected() && clientSocket != null && clientSocket.getInputStream() != null) {
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return clientSocket.getInputStream().available() > 0;
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if (isConnected() && clientSocket != null && socketInput != null) {
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// return socketInput.available() > 0;
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return socketInput.ready();
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} else {
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return false;
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}
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@ -347,13 +359,10 @@ public class CardSSC extends Card implements Reconfigurable, Runnable {
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private int getInputByte() throws IOException {
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if (inputAvailable()) {
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int in = clientSocket.getInputStream().read() & DATA_BITS;
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// System.out.write(in & 0x07f);
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int in = socketInput.read() & DATA_BITS;
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if (RECV_STRIP_LF && in == 10 && lastInputByte == 13) {
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in = clientSocket.getInputStream().read() & DATA_BITS;
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// System.out.write(in & 0x07f);
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in = socketInput.read() & DATA_BITS;
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}
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// System.out.flush();
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lastInputByte = in;
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}
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return lastInputByte;
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@ -363,10 +372,8 @@ public class CardSSC extends Card implements Reconfigurable, Runnable {
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private void sendOutputByte(int i) throws IOException {
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if (clientSocket != null && clientSocket.isConnected()) {
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try {
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// System.out.write(i & 0x07f);
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clientSocket.getOutputStream().write(i & DATA_BITS);
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if (TRANS_ADD_LF && (i & DATA_BITS) == 13) {
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// System.out.write(10);
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clientSocket.getOutputStream().write(10);
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}
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clientSocket.getOutputStream().flush();
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@ -419,6 +426,7 @@ public class CardSSC extends Card implements Reconfigurable, Runnable {
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*/
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@Override
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public boolean suspend() {
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synchronized (this) {
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if (socket != null) {
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try {
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socket.close();
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@ -438,9 +446,12 @@ public class CardSSC extends Card implements Reconfigurable, Runnable {
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socket = null;
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return super.suspend();
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}
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}
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@Override
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public void resume() {
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synchronized (this) {
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if (!isRunning()) {
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super.resume();
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RECV_IRQ_ENABLED = false;
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@ -452,9 +463,9 @@ public class CardSSC extends Card implements Reconfigurable, Runnable {
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socket.setReuseAddress(true);
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socket.setSoTimeout(0);
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//socket.setReuseAddress(true);
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listenThread = new Thread(this);
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listenThread = new Thread(this::socketMonitor);
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listenThread.setDaemon(false);
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listenThread.setName("SSC port listener");
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listenThread.setName("SSC port listener, slot" + getSlot());
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listenThread.start();
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} catch (IOException ex) {
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suspend();
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@ -462,6 +473,7 @@ public class CardSSC extends Card implements Reconfigurable, Runnable {
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}
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}
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}
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}
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@ConfigurableField(category = "Advanced", name = "Liveness check interval", description = "How often the connection is polled for signs of life (in milliseconds)")
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public int livenessCheck = 10000;
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