android/src/org/mavlink/qgroundcontrol/QGCActivity.java

@@ -69,7 +69,7 @@ public class QGCActivity extends QtActivity
     private static UsbManager                           _usbManager = null;
     private static List<UsbSerialDriver>                _drivers;
     private static HashMap<Integer, UsbIoManager>       m_ioManager;
-    private static HashMap<Integer, Integer>            _userDataHashByDeviceId;
+    private static HashMap<Integer, Long>               _userDataHashByDeviceId;
     private static final String                         TAG = "QGC_QGCActivity";
     private static PowerManager.WakeLock                _wakeLock;
     private static final String                         ACTION_USB_PERMISSION = "org.mavlink.qgroundcontrol.action.USB_PERMISSION";
@@ -85,14 +85,14 @@ public class QGCActivity extends QtActivity
             new UsbIoManager.Listener()
             {
                 @Override
-                public void onRunError(Exception eA, int userData)
+                public void onRunError(Exception eA, long userData)
                 {
                     Log.e(TAG, "onRunError Exception");
                     nativeDeviceException(userData, eA.getMessage());
                 }
 
                 @Override
-                public void onNewData(final byte[] dataA, int userData)
+                public void onNewData(final byte[] dataA, long userData)
                 {
                     nativeDeviceNewData(userData, dataA);
                 }
@@ -174,9 +174,9 @@ public class QGCActivity extends QtActivity
         };
 
     // Native C++ functions which connect back to QSerialPort code
-    private static native void nativeDeviceHasDisconnected(int userData);
-    private static native void nativeDeviceException(int userData, String messageA);
-    private static native void nativeDeviceNewData(int userData, byte[] dataA);
+    private static native void nativeDeviceHasDisconnected(long userData);
+    private static native void nativeDeviceException(long userData, String messageA);
+    private static native void nativeDeviceNewData(long userData, byte[] dataA);
     private static native void nativeUpdateAvailableJoysticks();
 
     // Native C++ functions called to log output
@@ -190,7 +190,7 @@ public class QGCActivity extends QtActivity
     {
         _instance =                 this;
         _drivers =                  new ArrayList<UsbSerialDriver>();
-        _userDataHashByDeviceId =   new HashMap<Integer, Integer>();
+        _userDataHashByDeviceId =   new HashMap<Integer, Long>();
         m_ioManager =               new HashMap<Integer, UsbIoManager>();
     }
 
@@ -375,7 +375,7 @@ public class QGCActivity extends QtActivity
     /// Open the specified device
     ///     @param userData Data to associate with device and pass back through to native calls.
     /// @return Device id
-    public static int open(Context parentContext, String deviceName, int userData)
+    public static int open(Context parentContext, String deviceName, long userData)
     {
         int deviceId = BAD_DEVICE_ID;
 

android/src/org/mavlink/qgroundcontrol/UsbIoManager.java

@@ -40,7 +40,7 @@ public class UsbIoManager implements Runnable {
     private static final String TAG = "QGC_UsbIoManager";
 
     private final UsbSerialDriver mDriver;
-    private int mUserData;
+    private long mUserData;
     private final ByteBuffer mReadBuffer = ByteBuffer.allocate(BUFSIZ);
     private final ByteBuffer mWriteBuffer = ByteBuffer.allocate(BUFSIZ);
 
@@ -62,13 +62,13 @@ public class UsbIoManager implements Runnable {
         /**
          * Called when new incoming data is available.
          */
-        public void onNewData(byte[] data, int userData);
+        public void onNewData(byte[] data, long userData);
 
         /**
          * Called when {@link SerialInputOutputManager#run()} aborts due to an
          * error.
          */
-        public void onRunError(Exception e, int userData);
+        public void onRunError(Exception e, long userData);
     }
 
 
@@ -87,7 +87,7 @@ public class UsbIoManager implements Runnable {
     /**
      * Creates a new instance with the provided listener.
      */
-    public UsbIoManager(UsbSerialDriver driver, Listener listener, int userData)
+    public UsbIoManager(UsbSerialDriver driver, Listener listener, long userData)
     {
         mDriver = driver;
         mListener = listener;

libs/qtandroidserialport/src/qserialport_android.cpp

@@ -56,7 +56,7 @@ QT_BEGIN_NAMESPACE
 
 static const char kJniClassName[] {"org/mavlink/qgroundcontrol/QGCActivity"};
 
-static void jniDeviceHasDisconnected(JNIEnv *envA, jobject thizA, jint userDataA)
+static void jniDeviceHasDisconnected(JNIEnv *envA, jobject thizA, jlong userDataA)
 {
     Q_UNUSED(envA);
     Q_UNUSED(thizA);
@@ -64,7 +64,7 @@ static void jniDeviceHasDisconnected(JNIEnv *envA, jobject thizA, jint userDataA
         (reinterpret_cast<QSerialPortPrivate*>(userDataA))->q_ptr->close();
 }
 
-static void jniDeviceNewData(JNIEnv *envA, jobject thizA, jint userDataA, jbyteArray dataA)
+static void jniDeviceNewData(JNIEnv *envA, jobject thizA, jlong userDataA, jbyteArray dataA)
 {
     Q_UNUSED(thizA);
     if (userDataA != 0)
@@ -76,7 +76,7 @@ static void jniDeviceNewData(JNIEnv *envA, jobject thizA, jint userDataA, jbyteA
     }
 }
 
-static void jniDeviceException(JNIEnv *envA, jobject thizA, jint userDataA, jstring messageA)
+static void jniDeviceException(JNIEnv *envA, jobject thizA, jlong userDataA, jstring messageA)
 {
     Q_UNUSED(thizA);
     if(userDataA != 0)
@@ -143,9 +143,9 @@ void QSerialPortPrivate::setNativeMethods(void)
 
     //  REGISTER THE C++ FUNCTION WITH JNI
     JNINativeMethod javaMethods[] {
-        {"nativeDeviceHasDisconnected", "(I)V",                     reinterpret_cast<void *>(jniDeviceHasDisconnected)},
-        {"nativeDeviceNewData",         "(I[B)V",                   reinterpret_cast<void *>(jniDeviceNewData)},
-        {"nativeDeviceException",       "(ILjava/lang/String;)V",   reinterpret_cast<void *>(jniDeviceException)},
+        {"nativeDeviceHasDisconnected", "(J)V",                     reinterpret_cast<void *>(jniDeviceHasDisconnected)},
+        {"nativeDeviceNewData",         "(J[B)V",                   reinterpret_cast<void *>(jniDeviceNewData)},
+        {"nativeDeviceException",       "(JLjava/lang/String;)V",   reinterpret_cast<void *>(jniDeviceException)},
         {"qgcLogDebug",                 "(Ljava/lang/String;)V",    reinterpret_cast<void *>(jniLogDebug)},
         {"qgcLogWarning",               "(Ljava/lang/String;)V",    reinterpret_cast<void *>(jniLogWarning)}
     };
@@ -186,10 +186,10 @@ bool QSerialPortPrivate::open(QIODevice::OpenMode mode)
     deviceId = QAndroidJniObject::callStaticMethod<jint>(
         kJniClassName,
         "open",
-        "(Landroid/content/Context;Ljava/lang/String;I)I",
+        "(Landroid/content/Context;Ljava/lang/String;J)I",
         QtAndroid::androidActivity().object(),
         jnameL.object<jstring>(),
-        reinterpret_cast<jint>(this));
+        reinterpret_cast<jlong>(this));
     cleanJavaException();
 
     isReadStopped = false;