Driver interface: add methods for CD, CTS, DSR, DTR, RI, and RTS.

UsbSerialLibrary/src/com/hoho/android/usbserial/driver/CdcAcmSerialDriver.java

@@ -1,9 +1,5 @@
 package com.hoho.android.usbserial.driver;
 
-import java.io.IOException;
-import java.util.LinkedHashMap;
-import java.util.Map;
-
 import android.hardware.usb.UsbConstants;
 import android.hardware.usb.UsbDevice;
 import android.hardware.usb.UsbDeviceConnection;
@@ -11,6 +7,10 @@ import android.hardware.usb.UsbEndpoint;
 import android.hardware.usb.UsbInterface;
 import android.util.Log;
 
+import java.io.IOException;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
 /**
  * USB CDC/ACM serial driver implementation.
  *
@@ -151,6 +151,46 @@ public class CdcAcmSerialDriver extends UsbSerialDriver {
         return baudRate;
     }
 
+    @Override
+    public boolean getCD() throws IOException {
+        return false;
+    }
+
+    @Override
+    public boolean getCTS() throws IOException {
+        return false;
+    }
+
+    @Override
+    public boolean getDSR() throws IOException {
+        return false;
+    }
+
+    @Override
+    public boolean getDTR() throws IOException {
+        return false;
+    }
+
+    @Override
+    public boolean setDTR(boolean value) throws IOException {
+        return false;
+    }
+
+    @Override
+    public boolean getRI() throws IOException {
+        return false;
+    }
+
+    @Override
+    public boolean getRTS() throws IOException {
+        return false;
+    }
+
+    @Override
+    public boolean setRTS(boolean value) throws IOException {
+        return false;
+    }
+
     public static Map<Integer, int[]> getSupportedDevices() {
         final Map<Integer, int[]> supportedDevices = new LinkedHashMap<Integer, int[]>();
         supportedDevices.put(Integer.valueOf(UsbId.VENDOR_ARDUINO),

UsbSerialLibrary/src/com/hoho/android/usbserial/driver/FtdiSerialDriver.java

@@ -20,11 +20,6 @@
 
 package com.hoho.android.usbserial.driver;
 
-import java.io.IOException;
-import java.nio.ByteBuffer;
-import java.util.LinkedHashMap;
-import java.util.Map;
-
 import android.hardware.usb.UsbConstants;
 import android.hardware.usb.UsbDevice;
 import android.hardware.usb.UsbDeviceConnection;
@@ -34,6 +29,11 @@ import android.util.Log;
 
 import com.hoho.android.usbserial.util.HexDump;
 
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.util.LinkedHashMap;
+import java.util.Map;
+
 /**
  * A {@link UsbSerialDriver} implementation for a variety of FTDI devices
  * <p>
@@ -409,6 +409,46 @@ public class FtdiSerialDriver extends UsbSerialDriver {
         };
     }
 
+    @Override
+    public boolean getCD() throws IOException {
+        return false;
+    }
+
+    @Override
+    public boolean getCTS() throws IOException {
+        return false;
+    }
+
+    @Override
+    public boolean getDSR() throws IOException {
+        return false;
+    }
+
+    @Override
+    public boolean getDTR() throws IOException {
+        return false;
+    }
+
+    @Override
+    public boolean setDTR(boolean value) throws IOException {
+        return false;
+    }
+
+    @Override
+    public boolean getRI() throws IOException {
+        return false;
+    }
+
+    @Override
+    public boolean getRTS() throws IOException {
+        return false;
+    }
+
+    @Override
+    public boolean setRTS(boolean value) throws IOException {
+        return false;
+    }
+
     public static Map<Integer, int[]> getSupportedDevices() {
         final Map<Integer, int[]> supportedDevices = new LinkedHashMap<Integer, int[]>();
         supportedDevices.put(Integer.valueOf(UsbId.VENDOR_FTDI),

UsbSerialLibrary/src/com/hoho/android/usbserial/driver/UsbSerialDriver.java

@@ -20,11 +20,11 @@
 
 package com.hoho.android.usbserial.driver;
 
-import java.io.IOException;
-
 import android.hardware.usb.UsbDevice;
 import android.hardware.usb.UsbDeviceConnection;
 
+import java.io.IOException;
+
 /**
  * Driver interface for a supported USB serial device.
  *
@@ -99,6 +99,72 @@ public abstract class UsbSerialDriver {
      */
     public abstract int setBaudRate(final int baudRate) throws IOException;
 
+    /**
+     * Gets the CD (Carrier Detect) bit from the underlying UART.
+     *
+     * @return the current state, or {@code false} if not supported.
+     * @throws IOException if an error occurred during reading
+     */
+    public abstract boolean getCD() throws IOException;
+
+    /**
+     * Gets the CTS (Clear To Send) bit from the underlying UART.
+     *
+     * @return the current state, or {@code false} if not supported.
+     * @throws IOException if an error occurred during reading
+     */
+    public abstract boolean getCTS() throws IOException;
+
+    /**
+     * Gets the DSR (Data Set Ready) bit from the underlying UART.
+     *
+     * @return the current state, or {@code false} if not supported.
+     * @throws IOException if an error occurred during reading
+     */
+    public abstract boolean getDSR() throws IOException;
+
+    /**
+     * Gets the DTR (Data Terminal Ready) bit from the underlying UART.
+     *
+     * @return the current state, or {@code false} if not supported.
+     * @throws IOException if an error occurred during reading
+     */
+    public abstract boolean getDTR() throws IOException;
+
+    /**
+     * Sets the DTR (Data Terminal Ready) bit on the underlying UART, if
+     * supported.
+     *
+     * @param value the value to set
+     * @throws IOException if an error occurred during writing
+     */
+    public abstract boolean setDTR(boolean value) throws IOException;
+
+    /**
+     * Gets the RI (Ring Indicator) bit from the underlying UART.
+     *
+     * @return the current state, or {@code false} if not supported.
+     * @throws IOException if an error occurred during reading
+     */
+    public abstract boolean getRI() throws IOException;
+
+    /**
+     * Gets the RTS (Request To Send) bit from the underlying UART.
+     *
+     * @return the current state, or {@code false} if not supported.
+     * @throws IOException if an error occurred during reading
+     */
+    public abstract boolean getRTS() throws IOException;
+
+    /**
+     * Sets the RTS (Request To Send) bit on the underlying UART, if
+     * supported.
+     *
+     * @param value thje value to set
+     * @throws IOException if an error occurred during writing
+     */
+    public abstract boolean setRTS(boolean value) throws IOException;
+
     /**
      * Returns the currently-bound USB device.
      *