etlegacy/etlegacy-android
0
0
Fork 0
mirror of https://github.com/etlegacy/etlegacy-android.git synced 2024-11-10 06:52:06 +00:00
Code Issues Projects Releases Packages Wiki Activity

sdl2: aaded HIDDevice java files from SDL2.0.9

Browse source
This commit is contained in:
rafal1137 2019-01-20 18:03:35 +01:00
parent d960cc244b
commit 9017848996
4 changed files with 1650 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

19
app/src/main/java/org/etlegacy/app/HIDDevice.java Normal file
View file

@ -0,0 +1,19 @@
package org.etlegacy.app;
interface HIDDevice
{
public int getId();
public int getVendorId();
public int getProductId();
public String getSerialNumber();
public int getVersion();
public String getManufacturerName();
public String getProductName();
public boolean open();
public int sendFeatureReport(byte[] report);
public int sendOutputReport(byte[] report);
public boolean getFeatureReport(byte[] report);
public void setFrozen(boolean frozen);
public void close();
public void shutdown();
}

642
app/src/main/java/org/etlegacy/app/HIDDeviceBLESteamController.java Normal file
View file

@ -0,0 +1,642 @@
package org.etlegacy.app;
import android.content.Context;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothGatt;
import android.bluetooth.BluetoothGattCallback;
import android.bluetooth.BluetoothGattCharacteristic;
import android.bluetooth.BluetoothGattDescriptor;
import android.bluetooth.BluetoothManager;
import android.bluetooth.BluetoothProfile;
import android.bluetooth.BluetoothGattService;
import android.os.Handler;
import android.os.Looper;
import android.util.Log;
//import com.android.internal.util.HexDump;
import java.lang.Runnable;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.util.Arrays;
import java.util.LinkedList;
import java.util.UUID;
class HIDDeviceBLESteamController extends BluetoothGattCallback implements HIDDevice {
private static final String TAG = "hidapi";
private HIDDeviceManager mManager;
private BluetoothDevice mDevice;
private int mDeviceId;
private BluetoothGatt mGatt;
private boolean mIsRegistered = false;
private boolean mIsConnected = false;
private boolean mIsChromebook = false;
private boolean mIsReconnecting = false;
private boolean mFrozen = false;
private LinkedList<GattOperation> mOperations;
GattOperation mCurrentOperation = null;
private Handler mHandler;
private static final int TRANSPORT_AUTO = 0;
private static final int TRANSPORT_BREDR = 1;
private static final int TRANSPORT_LE = 2;
private static final int CHROMEBOOK_CONNECTION_CHECK_INTERVAL = 10000;
static public final UUID steamControllerService = UUID.fromString("100F6C32-1735-4313-B402-38567131E5F3");
static public final UUID inputCharacteristic = UUID.fromString("100F6C33-1735-4313-B402-38567131E5F3");
static public final UUID reportCharacteristic = UUID.fromString("100F6C34-1735-4313-B402-38567131E5F3");
static private final byte[] enterValveMode = new byte[] { (byte)0xC0, (byte)0x87, 0x03, 0x08, 0x07, 0x00 };
static class GattOperation {
private enum Operation {
CHR_READ,
CHR_WRITE,
ENABLE_NOTIFICATION
}
Operation mOp;
UUID mUuid;
byte[] mValue;
BluetoothGatt mGatt;
boolean mResult = true;
private GattOperation(BluetoothGatt gatt, GattOperation.Operation operation, UUID uuid) {
mGatt = gatt;
mOp = operation;
mUuid = uuid;
}
private GattOperation(BluetoothGatt gatt, GattOperation.Operation operation, UUID uuid, byte[] value) {
mGatt = gatt;
mOp = operation;
mUuid = uuid;
mValue = value;
}
public void run() {
// This is executed in main thread
BluetoothGattCharacteristic chr;
switch (mOp) {
case CHR_READ:
chr = getCharacteristic(mUuid);
//Log.v(TAG, "Reading characteristic " + chr.getUuid());
if (!mGatt.readCharacteristic(chr)) {
Log.e(TAG, "Unable to read characteristic " + mUuid.toString());
mResult = false;
break;
}
mResult = true;
break;
case CHR_WRITE:
chr = getCharacteristic(mUuid);
//Log.v(TAG, "Writing characteristic " + chr.getUuid() + " value=" + HexDump.toHexString(value));
chr.setValue(mValue);
if (!mGatt.writeCharacteristic(chr)) {
Log.e(TAG, "Unable to write characteristic " + mUuid.toString());
mResult = false;
break;
}
mResult = true;
break;
case ENABLE_NOTIFICATION:
chr = getCharacteristic(mUuid);
//Log.v(TAG, "Writing descriptor of " + chr.getUuid());
if (chr != null) {
BluetoothGattDescriptor cccd = chr.getDescriptor(UUID.fromString("00002902-0000-1000-8000-00805f9b34fb"));
if (cccd != null) {
int properties = chr.getProperties();
byte[] value;
if ((properties & BluetoothGattCharacteristic.PROPERTY_NOTIFY) == BluetoothGattCharacteristic.PROPERTY_NOTIFY) {
value = BluetoothGattDescriptor.ENABLE_NOTIFICATION_VALUE;
} else if ((properties & BluetoothGattCharacteristic.PROPERTY_INDICATE) == BluetoothGattCharacteristic.PROPERTY_INDICATE) {
value = BluetoothGattDescriptor.ENABLE_INDICATION_VALUE;
} else {
Log.e(TAG, "Unable to start notifications on input characteristic");
mResult = false;
return;
}
mGatt.setCharacteristicNotification(chr, true);
cccd.setValue(value);
if (!mGatt.writeDescriptor(cccd)) {
Log.e(TAG, "Unable to write descriptor " + mUuid.toString());
mResult = false;
return;
}
mResult = true;
}
}
}
}
public boolean finish() {
return mResult;
}
private BluetoothGattCharacteristic getCharacteristic(UUID uuid) {
BluetoothGattService valveService = mGatt.getService(steamControllerService);
if (valveService == null)
return null;
return valveService.getCharacteristic(uuid);
}
static public GattOperation readCharacteristic(BluetoothGatt gatt, UUID uuid) {
return new GattOperation(gatt, Operation.CHR_READ, uuid);
}
static public GattOperation writeCharacteristic(BluetoothGatt gatt, UUID uuid, byte[] value) {
return new GattOperation(gatt, Operation.CHR_WRITE, uuid, value);
}
static public GattOperation enableNotification(BluetoothGatt gatt, UUID uuid) {
return new GattOperation(gatt, Operation.ENABLE_NOTIFICATION, uuid);
}
}
public HIDDeviceBLESteamController(HIDDeviceManager manager, BluetoothDevice device) {
mManager = manager;
mDevice = device;
mDeviceId = mManager.getDeviceIDForIdentifier(getIdentifier());
mIsRegistered = false;
mIsChromebook = mManager.getContext().getPackageManager().hasSystemFeature("org.chromium.arc.device_management");
mOperations = new LinkedList<GattOperation>();
mHandler = new Handler(Looper.getMainLooper());
mGatt = connectGatt();
final HIDDeviceBLESteamController finalThis = this;
mHandler.postDelayed(new Runnable() {
@Override
public void run() {
finalThis.checkConnectionForChromebookIssue();
}
}, CHROMEBOOK_CONNECTION_CHECK_INTERVAL);
}
public String getIdentifier() {
return String.format("SteamController.%s", mDevice.getAddress());
}
public BluetoothGatt getGatt() {
return mGatt;
}
// Because on Chromebooks we show up as a dual-mode device, it will attempt to connect TRANSPORT_AUTO, which will use TRANSPORT_BREDR instead
// of TRANSPORT_LE. Let's force ourselves to connect low energy.
private BluetoothGatt connectGatt(boolean managed) {
try {
Method m = mDevice.getClass().getDeclaredMethod("connectGatt", Context.class, boolean.class, BluetoothGattCallback.class, int.class);
return (BluetoothGatt) m.invoke(mDevice, mManager.getContext(), managed, this, TRANSPORT_LE);
} catch (Exception e) {
return mDevice.connectGatt(mManager.getContext(), managed, this);
}
}
private BluetoothGatt connectGatt() {
return connectGatt(false);
}
protected int getConnectionState() {
Context context = mManager.getContext();
if (context == null) {
// We are lacking any context to get our Bluetooth information. We'll just assume disconnected.
return BluetoothProfile.STATE_DISCONNECTED;
}
BluetoothManager btManager = (BluetoothManager)context.getSystemService(Context.BLUETOOTH_SERVICE);
if (btManager == null) {
// This device doesn't support Bluetooth. We should never be here, because how did
// we instantiate a device to start with?
return BluetoothProfile.STATE_DISCONNECTED;
}
return btManager.getConnectionState(mDevice, BluetoothProfile.GATT);
}
public void reconnect() {
if (getConnectionState() != BluetoothProfile.STATE_CONNECTED) {
mGatt.disconnect();
mGatt = connectGatt();
}
}
protected void checkConnectionForChromebookIssue() {
if (!mIsChromebook) {
// We only do this on Chromebooks, because otherwise it's really annoying to just attempt
// over and over.
return;
}
int connectionState = getConnectionState();
switch (connectionState) {
case BluetoothProfile.STATE_CONNECTED:
if (!mIsConnected) {
// We are in the Bad Chromebook Place. We can force a disconnect
// to try to recover.
Log.v(TAG, "Chromebook: We are in a very bad state; the controller shows as connected in the underlying Bluetooth layer, but we never received a callback. Forcing a reconnect.");
mIsReconnecting = true;
mGatt.disconnect();
mGatt = connectGatt(false);
break;
}
else if (!isRegistered()) {
if (mGatt.getServices().size() > 0) {
Log.v(TAG, "Chromebook: We are connected to a controller, but never got our registration. Trying to recover.");
probeService(this);
}
else {
Log.v(TAG, "Chromebook: We are connected to a controller, but never discovered services. Trying to recover.");
mIsReconnecting = true;
mGatt.disconnect();
mGatt = connectGatt(false);
break;
}
}
else {
Log.v(TAG, "Chromebook: We are connected, and registered. Everything's good!");
return;
}
break;
case BluetoothProfile.STATE_DISCONNECTED:
Log.v(TAG, "Chromebook: We have either been disconnected, or the Chromebook BtGatt.ContextMap bug has bitten us. Attempting a disconnect/reconnect, but we may not be able to recover.");
mIsReconnecting = true;
mGatt.disconnect();
mGatt = connectGatt(false);
break;
case BluetoothProfile.STATE_CONNECTING:
Log.v(TAG, "Chromebook: We're still trying to connect. Waiting a bit longer.");
break;
}
final HIDDeviceBLESteamController finalThis = this;
mHandler.postDelayed(new Runnable() {
@Override
public void run() {
finalThis.checkConnectionForChromebookIssue();
}
}, CHROMEBOOK_CONNECTION_CHECK_INTERVAL);
}
private boolean isRegistered() {
return mIsRegistered;
}
private void setRegistered() {
mIsRegistered = true;
}
private boolean probeService(HIDDeviceBLESteamController controller) {
if (isRegistered()) {
return true;
}
if (!mIsConnected) {
return false;
}
Log.v(TAG, "probeService controller=" + controller);
for (BluetoothGattService service : mGatt.getServices()) {
if (service.getUuid().equals(steamControllerService)) {
Log.v(TAG, "Found Valve steam controller service " + service.getUuid());
for (BluetoothGattCharacteristic chr : service.getCharacteristics()) {
if (chr.getUuid().equals(inputCharacteristic)) {
Log.v(TAG, "Found input characteristic");
// Start notifications
BluetoothGattDescriptor cccd = chr.getDescriptor(UUID.fromString("00002902-0000-1000-8000-00805f9b34fb"));
if (cccd != null) {
enableNotification(chr.getUuid());
}
}
}
return true;
}
}
if ((mGatt.getServices().size() == 0) && mIsChromebook && !mIsReconnecting) {
Log.e(TAG, "Chromebook: Discovered services were empty; this almost certainly means the BtGatt.ContextMap bug has bitten us.");
mIsConnected = false;
mIsReconnecting = true;
mGatt.disconnect();
mGatt = connectGatt(false);
}
return false;
}
//////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////
private void finishCurrentGattOperation() {
GattOperation op = null;
synchronized (mOperations) {
if (mCurrentOperation != null) {
op = mCurrentOperation;
mCurrentOperation = null;
}
}
if (op != null) {
boolean result = op.finish(); // TODO: Maybe in main thread as well?
// Our operation failed, let's add it back to the beginning of our queue.
if (!result) {
mOperations.addFirst(op);
}
}
executeNextGattOperation();
}
private void executeNextGattOperation() {
synchronized (mOperations) {
if (mCurrentOperation != null)
return;
if (mOperations.isEmpty())
return;
mCurrentOperation = mOperations.removeFirst();
}
// Run in main thread
mHandler.post(new Runnable() {
@Override
public void run() {
synchronized (mOperations) {
if (mCurrentOperation == null) {
Log.e(TAG, "Current operation null in executor?");
return;
}
mCurrentOperation.run();
// now wait for the GATT callback and when it comes, finish this operation
}
}
});
}
private void queueGattOperation(GattOperation op) {
synchronized (mOperations) {
mOperations.add(op);
}
executeNextGattOperation();
}
private void enableNotification(UUID chrUuid) {
GattOperation op = HIDDeviceBLESteamController.GattOperation.enableNotification(mGatt, chrUuid);
queueGattOperation(op);
}
public void writeCharacteristic(UUID uuid, byte[] value) {
GattOperation op = HIDDeviceBLESteamController.GattOperation.writeCharacteristic(mGatt, uuid, value);
queueGattOperation(op);
}
public void readCharacteristic(UUID uuid) {
GattOperation op = HIDDeviceBLESteamController.GattOperation.readCharacteristic(mGatt, uuid);
queueGattOperation(op);
}
//////////////////////////////////////////////////////////////////////////////////////////////////////
////////////// BluetoothGattCallback overridden methods
//////////////////////////////////////////////////////////////////////////////////////////////////////
public void onConnectionStateChange(BluetoothGatt g, int status, int newState) {
//Log.v(TAG, "onConnectionStateChange status=" + status + " newState=" + newState);
mIsReconnecting = false;
if (newState == 2) {
mIsConnected = true;
// Run directly, without GattOperation
if (!isRegistered()) {
mHandler.post(new Runnable() {
@Override
public void run() {
mGatt.discoverServices();
}
});
}
}
else if (newState == 0) {
mIsConnected = false;
}
// Disconnection is handled in SteamLink using the ACTION_ACL_DISCONNECTED Intent.
}
public void onServicesDiscovered(BluetoothGatt gatt, int status) {
//Log.v(TAG, "onServicesDiscovered status=" + status);
if (status == 0) {
if (gatt.getServices().size() == 0) {
Log.v(TAG, "onServicesDiscovered returned zero services; something has gone horribly wrong down in Android's Bluetooth stack.");
mIsReconnecting = true;
mIsConnected = false;
gatt.disconnect();
mGatt = connectGatt(false);
}
else {
probeService(this);
}
}
}
public void onCharacteristicRead(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status) {
//Log.v(TAG, "onCharacteristicRead status=" + status + " uuid=" + characteristic.getUuid());
if (characteristic.getUuid().equals(reportCharacteristic) && !mFrozen) {
mManager.HIDDeviceFeatureReport(getId(), characteristic.getValue());
}
finishCurrentGattOperation();
}
public void onCharacteristicWrite(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic, int status) {
//Log.v(TAG, "onCharacteristicWrite status=" + status + " uuid=" + characteristic.getUuid());
if (characteristic.getUuid().equals(reportCharacteristic)) {
// Only register controller with the native side once it has been fully configured
if (!isRegistered()) {
Log.v(TAG, "Registering Steam Controller with ID: " + getId());
mManager.HIDDeviceConnected(getId(), getIdentifier(), getVendorId(), getProductId(), getSerialNumber(), getVersion(), getManufacturerName(), getProductName(), 0);
setRegistered();
}
}
finishCurrentGattOperation();
}
public void onCharacteristicChanged(BluetoothGatt gatt, BluetoothGattCharacteristic characteristic) {
// Enable this for verbose logging of controller input reports
//Log.v(TAG, "onCharacteristicChanged uuid=" + characteristic.getUuid() + " data=" + HexDump.dumpHexString(characteristic.getValue()));
if (characteristic.getUuid().equals(inputCharacteristic) && !mFrozen) {
mManager.HIDDeviceInputReport(getId(), characteristic.getValue());
}
}
public void onDescriptorRead(BluetoothGatt gatt, BluetoothGattDescriptor descriptor, int status) {
//Log.v(TAG, "onDescriptorRead status=" + status);
}
public void onDescriptorWrite(BluetoothGatt gatt, BluetoothGattDescriptor descriptor, int status) {
BluetoothGattCharacteristic chr = descriptor.getCharacteristic();
//Log.v(TAG, "onDescriptorWrite status=" + status + " uuid=" + chr.getUuid() + " descriptor=" + descriptor.getUuid());
if (chr.getUuid().equals(inputCharacteristic)) {
boolean hasWrittenInputDescriptor = true;
BluetoothGattCharacteristic reportChr = chr.getService().getCharacteristic(reportCharacteristic);
if (reportChr != null) {
Log.v(TAG, "Writing report characteristic to enter valve mode");
reportChr.setValue(enterValveMode);
gatt.writeCharacteristic(reportChr);
}
}
finishCurrentGattOperation();
}
public void onReliableWriteCompleted(BluetoothGatt gatt, int status) {
//Log.v(TAG, "onReliableWriteCompleted status=" + status);
}
public void onReadRemoteRssi(BluetoothGatt gatt, int rssi, int status) {
//Log.v(TAG, "onReadRemoteRssi status=" + status);
}
public void onMtuChanged(BluetoothGatt gatt, int mtu, int status) {
//Log.v(TAG, "onMtuChanged status=" + status);
}
//////////////////////////////////////////////////////////////////////////////////////////////////////
//////// Public API
//////////////////////////////////////////////////////////////////////////////////////////////////////
@Override
public int getId() {
return mDeviceId;
}
@Override
public int getVendorId() {
// Valve Corporation
final int VALVE_USB_VID = 0x28DE;
return VALVE_USB_VID;
}
@Override
public int getProductId() {
// We don't have an easy way to query from the Bluetooth device, but we know what it is
final int D0G_BLE2_PID = 0x1106;
return D0G_BLE2_PID;
}
@Override
public String getSerialNumber() {
// This will be read later via feature report by Steam
return "12345";
}
@Override
public int getVersion() {
return 0;
}
@Override
public String getManufacturerName() {
return "Valve Corporation";
}
@Override
public String getProductName() {
return "Steam Controller";
}
@Override
public boolean open() {
return true;
}
@Override
public int sendFeatureReport(byte[] report) {
if (!isRegistered()) {
Log.e(TAG, "Attempted sendFeatureReport before Steam Controller is registered!");
if (mIsConnected) {
probeService(this);
}
return -1;
}
// We need to skip the first byte, as that doesn't go over the air
byte[] actual_report = Arrays.copyOfRange(report, 1, report.length - 1);
//Log.v(TAG, "sendFeatureReport " + HexDump.dumpHexString(actual_report));
writeCharacteristic(reportCharacteristic, actual_report);
return report.length;
}
@Override
public int sendOutputReport(byte[] report) {
if (!isRegistered()) {
Log.e(TAG, "Attempted sendOutputReport before Steam Controller is registered!");
if (mIsConnected) {
probeService(this);
}
return -1;
}
//Log.v(TAG, "sendFeatureReport " + HexDump.dumpHexString(report));
writeCharacteristic(reportCharacteristic, report);
return report.length;
}
@Override
public boolean getFeatureReport(byte[] report) {
if (!isRegistered()) {
Log.e(TAG, "Attempted getFeatureReport before Steam Controller is registered!");
if (mIsConnected) {
probeService(this);
}
return false;
}
//Log.v(TAG, "getFeatureReport");
readCharacteristic(reportCharacteristic);
return true;
}
@Override
public void close() {
}
@Override
public void setFrozen(boolean frozen) {
mFrozen = frozen;
}
@Override
public void shutdown() {
close();
BluetoothGatt g = mGatt;
if (g != null) {
g.disconnect();
g.close();
mGatt = null;
}
mManager = null;
mIsRegistered = false;
mIsConnected = false;
mOperations.clear();
}
}

682
app/src/main/java/org/etlegacy/app/HIDDeviceManager.java Normal file
View file

@ -0,0 +1,682 @@
package org.etlegacy.app;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.PendingIntent;
import android.bluetooth.BluetoothAdapter;
import android.bluetooth.BluetoothDevice;
import android.bluetooth.BluetoothManager;
import android.bluetooth.BluetoothProfile;
import android.util.Log;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.hardware.usb.*;
import android.os.Handler;
import android.os.Looper;
import java.util.HashMap;
import java.util.ArrayList;
import java.util.List;
public class HIDDeviceManager {
private static final String TAG = "hidapi";
private static final String ACTION_USB_PERMISSION = "org.libsdl.app.USB_PERMISSION";
private static HIDDeviceManager sManager;
private static int sManagerRefCount = 0;
public static HIDDeviceManager acquire(Context context) {
if (sManagerRefCount == 0) {
sManager = new HIDDeviceManager(context);
}
++sManagerRefCount;
return sManager;
}
public static void release(HIDDeviceManager manager) {
if (manager == sManager) {
--sManagerRefCount;
if (sManagerRefCount == 0) {
sManager.close();
sManager = null;
}
}
}
private Context mContext;
private HashMap<Integer, HIDDevice> mDevicesById = new HashMap<Integer, HIDDevice>();
private HashMap<UsbDevice, HIDDeviceUSB> mUSBDevices = new HashMap<UsbDevice, HIDDeviceUSB>();
private HashMap<BluetoothDevice, HIDDeviceBLESteamController> mBluetoothDevices = new HashMap<BluetoothDevice, HIDDeviceBLESteamController>();
private int mNextDeviceId = 0;
private SharedPreferences mSharedPreferences = null;
private boolean mIsChromebook = false;
private UsbManager mUsbManager;
private Handler mHandler;
private BluetoothManager mBluetoothManager;
private List<BluetoothDevice> mLastBluetoothDevices;
private final BroadcastReceiver mUsbBroadcast = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (action.equals(UsbManager.ACTION_USB_DEVICE_ATTACHED)) {
UsbDevice usbDevice = intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
handleUsbDeviceAttached(usbDevice);
} else if (action.equals(UsbManager.ACTION_USB_DEVICE_DETACHED)) {
UsbDevice usbDevice = intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
handleUsbDeviceDetached(usbDevice);
} else if (action.equals(HIDDeviceManager.ACTION_USB_PERMISSION)) {
UsbDevice usbDevice = intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
handleUsbDevicePermission(usbDevice, intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, false));
}
}
};
private final BroadcastReceiver mBluetoothBroadcast = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
// Bluetooth device was connected. If it was a Steam Controller, handle it
if (action.equals(BluetoothDevice.ACTION_ACL_CONNECTED)) {
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
Log.d(TAG, "Bluetooth device connected: " + device);
if (isSteamController(device)) {
connectBluetoothDevice(device);
}
}
// Bluetooth device was disconnected, remove from controller manager (if any)
if (action.equals(BluetoothDevice.ACTION_ACL_DISCONNECTED)) {
BluetoothDevice device = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE);
Log.d(TAG, "Bluetooth device disconnected: " + device);
disconnectBluetoothDevice(device);
}
}
};
private HIDDeviceManager(final Context context) {
mContext = context;
// Make sure we have the HIDAPI library loaded with the native functions
try {
SDL.loadLibrary("hidapi");
} catch (Throwable e) {
Log.w(TAG, "Couldn't load hidapi: " + e.toString());
AlertDialog.Builder builder = new AlertDialog.Builder(context);
builder.setCancelable(false);
builder.setTitle("SDL HIDAPI Error");
builder.setMessage("Please report the following error to the SDL maintainers: " + e.getMessage());
builder.setNegativeButton("Quit", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
try {
// If our context is an activity, exit rather than crashing when we can't
// call our native functions.
Activity activity = (Activity)context;
activity.finish();
}
catch (ClassCastException cce) {
// Context wasn't an activity, there's nothing we can do. Give up and return.
}
}
});
builder.show();
return;
}
HIDDeviceRegisterCallback();
mSharedPreferences = mContext.getSharedPreferences("hidapi", Context.MODE_PRIVATE);
mIsChromebook = mContext.getPackageManager().hasSystemFeature("org.chromium.arc.device_management");
// if (shouldClear) {
// SharedPreferences.Editor spedit = mSharedPreferences.edit();
// spedit.clear();
// spedit.commit();
// }
// else
{
mNextDeviceId = mSharedPreferences.getInt("next_device_id", 0);
}
initializeUSB();
initializeBluetooth();
}
public Context getContext() {
return mContext;
}
public int getDeviceIDForIdentifier(String identifier) {
SharedPreferences.Editor spedit = mSharedPreferences.edit();
int result = mSharedPreferences.getInt(identifier, 0);
if (result == 0) {
result = mNextDeviceId++;
spedit.putInt("next_device_id", mNextDeviceId);
}
spedit.putInt(identifier, result);
spedit.commit();
return result;
}
private void initializeUSB() {
mUsbManager = (UsbManager)mContext.getSystemService(Context.USB_SERVICE);
/*
// Logging
for (UsbDevice device : mUsbManager.getDeviceList().values()) {
Log.i(TAG,"Path: " + device.getDeviceName());
Log.i(TAG,"Manufacturer: " + device.getManufacturerName());
Log.i(TAG,"Product: " + device.getProductName());
Log.i(TAG,"ID: " + device.getDeviceId());
Log.i(TAG,"Class: " + device.getDeviceClass());
Log.i(TAG,"Protocol: " + device.getDeviceProtocol());
Log.i(TAG,"Vendor ID " + device.getVendorId());
Log.i(TAG,"Product ID: " + device.getProductId());
Log.i(TAG,"Interface count: " + device.getInterfaceCount());
Log.i(TAG,"---------------------------------------");
// Get interface details
for (int index = 0; index < device.getInterfaceCount(); index++) {
UsbInterface mUsbInterface = device.getInterface(index);
Log.i(TAG," ***** *****");
Log.i(TAG," Interface index: " + index);
Log.i(TAG," Interface ID: " + mUsbInterface.getId());
Log.i(TAG," Interface class: " + mUsbInterface.getInterfaceClass());
Log.i(TAG," Interface subclass: " + mUsbInterface.getInterfaceSubclass());
Log.i(TAG," Interface protocol: " + mUsbInterface.getInterfaceProtocol());
Log.i(TAG," Endpoint count: " + mUsbInterface.getEndpointCount());
// Get endpoint details
for (int epi = 0; epi < mUsbInterface.getEndpointCount(); epi++)
{
UsbEndpoint mEndpoint = mUsbInterface.getEndpoint(epi);
Log.i(TAG," ++++ ++++ ++++");
Log.i(TAG," Endpoint index: " + epi);
Log.i(TAG," Attributes: " + mEndpoint.getAttributes());
Log.i(TAG," Direction: " + mEndpoint.getDirection());
Log.i(TAG," Number: " + mEndpoint.getEndpointNumber());
Log.i(TAG," Interval: " + mEndpoint.getInterval());
Log.i(TAG," Packet size: " + mEndpoint.getMaxPacketSize());
Log.i(TAG," Type: " + mEndpoint.getType());
}
}
}
Log.i(TAG," No more devices connected.");
*/
// Register for USB broadcasts and permission completions
IntentFilter filter = new IntentFilter();
filter.addAction(UsbManager.ACTION_USB_DEVICE_ATTACHED);
filter.addAction(UsbManager.ACTION_USB_DEVICE_DETACHED);
filter.addAction(HIDDeviceManager.ACTION_USB_PERMISSION);
mContext.registerReceiver(mUsbBroadcast, filter);
for (UsbDevice usbDevice : mUsbManager.getDeviceList().values()) {
handleUsbDeviceAttached(usbDevice);
}
}
UsbManager getUSBManager() {
return mUsbManager;
}
private void shutdownUSB() {
try {
mContext.unregisterReceiver(mUsbBroadcast);
} catch (Exception e) {
// We may not have registered, that's okay
}
}
private boolean isHIDDeviceUSB(UsbDevice usbDevice) {
for (int interface_number = 0; interface_number < usbDevice.getInterfaceCount(); ++interface_number) {
if (isHIDDeviceInterface(usbDevice, interface_number)) {
return true;
}
}
return false;
}
private boolean isHIDDeviceInterface(UsbDevice usbDevice, int interface_number) {
UsbInterface usbInterface = usbDevice.getInterface(interface_number);
if (usbInterface.getInterfaceClass() == UsbConstants.USB_CLASS_HID) {
return true;
}
if (interface_number == 0) {
if (isXbox360Controller(usbDevice, usbInterface) || isXboxOneController(usbDevice, usbInterface)) {
return true;
}
}
return false;
}
private boolean isXbox360Controller(UsbDevice usbDevice, UsbInterface usbInterface) {
final int XB360_IFACE_SUBCLASS = 93;
final int XB360_IFACE_PROTOCOL = 1; // Wired only
final int[] SUPPORTED_VENDORS = {
0x0079, // GPD Win 2
0x044f, // Thrustmaster
0x045e, // Microsoft
0x046d, // Logitech
0x056e, // Elecom
0x06a3, // Saitek
0x0738, // Mad Catz
0x07ff, // Mad Catz
0x0e6f, // Unknown
0x0f0d, // Hori
0x11c9, // Nacon
0x12ab, // Unknown
0x1430, // RedOctane
0x146b, // BigBen
0x1532, // Razer Sabertooth
0x15e4, // Numark
0x162e, // Joytech
0x1689, // Razer Onza
0x1bad, // Harmonix
0x24c6, // PowerA
};
if (usbInterface.getInterfaceClass() == UsbConstants.USB_CLASS_VENDOR_SPEC &&
usbInterface.getInterfaceSubclass() == XB360_IFACE_SUBCLASS &&
usbInterface.getInterfaceProtocol() == XB360_IFACE_PROTOCOL) {
int vendor_id = usbDevice.getVendorId();
for (int supportedVid : SUPPORTED_VENDORS) {
if (vendor_id == supportedVid) {
return true;
}
}
}
return false;
}
private boolean isXboxOneController(UsbDevice usbDevice, UsbInterface usbInterface) {
final int XB1_IFACE_SUBCLASS = 71;
final int XB1_IFACE_PROTOCOL = 208;
final int[] SUPPORTED_VENDORS = {
0x045e, // Microsoft
0x0738, // Mad Catz
0x0e6f, // Unknown
0x0f0d, // Hori
0x1532, // Razer Wildcat
0x24c6, // PowerA
};
if (usbInterface.getInterfaceClass() == UsbConstants.USB_CLASS_VENDOR_SPEC &&
usbInterface.getInterfaceSubclass() == XB1_IFACE_SUBCLASS &&
usbInterface.getInterfaceProtocol() == XB1_IFACE_PROTOCOL) {
int vendor_id = usbDevice.getVendorId();
for (int supportedVid : SUPPORTED_VENDORS) {
if (vendor_id == supportedVid) {
return true;
}
}
}
return false;
}
private void handleUsbDeviceAttached(UsbDevice usbDevice) {
if (isHIDDeviceUSB(usbDevice)) {
connectHIDDeviceUSB(usbDevice);
}
}
private void handleUsbDeviceDetached(UsbDevice usbDevice) {
HIDDeviceUSB device = mUSBDevices.get(usbDevice);
if (device == null)
return;
int id = device.getId();
mUSBDevices.remove(usbDevice);
mDevicesById.remove(id);
device.shutdown();
HIDDeviceDisconnected(id);
}
private void handleUsbDevicePermission(UsbDevice usbDevice, boolean permission_granted) {
HIDDeviceUSB device = mUSBDevices.get(usbDevice);
if (device == null)
return;
boolean opened = false;
if (permission_granted) {
opened = device.open();
}
HIDDeviceOpenResult(device.getId(), opened);
}
private void connectHIDDeviceUSB(UsbDevice usbDevice) {
synchronized (this) {
for (int interface_number = 0; interface_number < usbDevice.getInterfaceCount(); interface_number++) {
if (isHIDDeviceInterface(usbDevice, interface_number)) {
HIDDeviceUSB device = new HIDDeviceUSB(this, usbDevice, interface_number);
int id = device.getId();
mUSBDevices.put(usbDevice, device);
mDevicesById.put(id, device);
HIDDeviceConnected(id, device.getIdentifier(), device.getVendorId(), device.getProductId(), device.getSerialNumber(), device.getVersion(), device.getManufacturerName(), device.getProductName(), interface_number);
break;
}
}
}
}
private void initializeBluetooth() {
Log.d(TAG, "Initializing Bluetooth");
if (mContext.getPackageManager().checkPermission(android.Manifest.permission.BLUETOOTH, mContext.getPackageName()) != PackageManager.PERMISSION_GRANTED) {
Log.d(TAG, "Couldn't initialize Bluetooth, missing android.permission.BLUETOOTH");
return;
}
// Find bonded bluetooth controllers and create SteamControllers for them
mBluetoothManager = (BluetoothManager)mContext.getSystemService(Context.BLUETOOTH_SERVICE);
if (mBluetoothManager == null) {
// This device doesn't support Bluetooth.
return;
}
BluetoothAdapter btAdapter = mBluetoothManager.getAdapter();
if (btAdapter == null) {
// This device has Bluetooth support in the codebase, but has no available adapters.
return;
}
// Get our bonded devices.
for (BluetoothDevice device : btAdapter.getBondedDevices()) {
Log.d(TAG, "Bluetooth device available: " + device);
if (isSteamController(device)) {
connectBluetoothDevice(device);
}
}
// NOTE: These don't work on Chromebooks, to my undying dismay.
IntentFilter filter = new IntentFilter();
filter.addAction(BluetoothDevice.ACTION_ACL_CONNECTED);
filter.addAction(BluetoothDevice.ACTION_ACL_DISCONNECTED);
mContext.registerReceiver(mBluetoothBroadcast, filter);
if (mIsChromebook) {
mHandler = new Handler(Looper.getMainLooper());
mLastBluetoothDevices = new ArrayList<>();
// final HIDDeviceManager finalThis = this;
// mHandler.postDelayed(new Runnable() {
// @Override
// public void run() {
// finalThis.chromebookConnectionHandler();
// }
// }, 5000);
}
}
private void shutdownBluetooth() {
try {
mContext.unregisterReceiver(mBluetoothBroadcast);
} catch (Exception e) {
// We may not have registered, that's okay
}
}
// Chromebooks do not pass along ACTION_ACL_CONNECTED / ACTION_ACL_DISCONNECTED properly.
// This function provides a sort of dummy version of that, watching for changes in the
// connected devices and attempting to add controllers as things change.
public void chromebookConnectionHandler() {
if (!mIsChromebook) {
return;
}
ArrayList<BluetoothDevice> disconnected = new ArrayList<>();
ArrayList<BluetoothDevice> connected = new ArrayList<>();
List<BluetoothDevice> currentConnected = mBluetoothManager.getConnectedDevices(BluetoothProfile.GATT);
for (BluetoothDevice bluetoothDevice : currentConnected) {
if (!mLastBluetoothDevices.contains(bluetoothDevice)) {
connected.add(bluetoothDevice);
}
}
for (BluetoothDevice bluetoothDevice : mLastBluetoothDevices) {
if (!currentConnected.contains(bluetoothDevice)) {
disconnected.add(bluetoothDevice);
}
}
mLastBluetoothDevices = currentConnected;
for (BluetoothDevice bluetoothDevice : disconnected) {
disconnectBluetoothDevice(bluetoothDevice);
}
for (BluetoothDevice bluetoothDevice : connected) {
connectBluetoothDevice(bluetoothDevice);
}
final HIDDeviceManager finalThis = this;
mHandler.postDelayed(new Runnable() {
@Override
public void run() {
finalThis.chromebookConnectionHandler();
}
}, 10000);
}
public boolean connectBluetoothDevice(BluetoothDevice bluetoothDevice) {
Log.v(TAG, "connectBluetoothDevice device=" + bluetoothDevice);
synchronized (this) {
if (mBluetoothDevices.containsKey(bluetoothDevice)) {
Log.v(TAG, "Steam controller with address " + bluetoothDevice + " already exists, attempting reconnect");
HIDDeviceBLESteamController device = mBluetoothDevices.get(bluetoothDevice);
device.reconnect();
return false;
}
HIDDeviceBLESteamController device = new HIDDeviceBLESteamController(this, bluetoothDevice);
int id = device.getId();
mBluetoothDevices.put(bluetoothDevice, device);
mDevicesById.put(id, device);
// The Steam Controller will mark itself connected once initialization is complete
}
return true;
}
public void disconnectBluetoothDevice(BluetoothDevice bluetoothDevice) {
synchronized (this) {
HIDDeviceBLESteamController device = mBluetoothDevices.get(bluetoothDevice);
if (device == null)
return;
int id = device.getId();
mBluetoothDevices.remove(bluetoothDevice);
mDevicesById.remove(id);
device.shutdown();
HIDDeviceDisconnected(id);
}
}
public boolean isSteamController(BluetoothDevice bluetoothDevice) {
// Sanity check. If you pass in a null device, by definition it is never a Steam Controller.
if (bluetoothDevice == null) {
return false;
}
// If the device has no local name, we really don't want to try an equality check against it.
if (bluetoothDevice.getName() == null) {
return false;
}
return bluetoothDevice.getName().equals("SteamController") && ((bluetoothDevice.getType() & BluetoothDevice.DEVICE_TYPE_LE) != 0);
}
private void close() {
shutdownUSB();
shutdownBluetooth();
synchronized (this) {
for (HIDDevice device : mDevicesById.values()) {
device.shutdown();
}
mDevicesById.clear();
mBluetoothDevices.clear();
HIDDeviceReleaseCallback();
}
}
public void setFrozen(boolean frozen) {
synchronized (this) {
for (HIDDevice device : mDevicesById.values()) {
device.setFrozen(frozen);
}
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////////////////
private HIDDevice getDevice(int id) {
synchronized (this) {
HIDDevice result = mDevicesById.get(id);
if (result == null) {
Log.v(TAG, "No device for id: " + id);
Log.v(TAG, "Available devices: " + mDevicesById.keySet());
}
return result;
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////
////////// JNI interface functions
//////////////////////////////////////////////////////////////////////////////////////////////////////
public boolean openDevice(int deviceID) {
// Look to see if this is a USB device and we have permission to access it
for (HIDDeviceUSB device : mUSBDevices.values()) {
if (deviceID == device.getId()) {
UsbDevice usbDevice = device.getDevice();
if (!mUsbManager.hasPermission(usbDevice)) {
HIDDeviceOpenPending(deviceID);
try {
mUsbManager.requestPermission(usbDevice, PendingIntent.getBroadcast(mContext, 0, new Intent(HIDDeviceManager.ACTION_USB_PERMISSION), 0));
} catch (Exception e) {
Log.v(TAG, "Couldn't request permission for USB device " + usbDevice);
HIDDeviceOpenResult(deviceID, false);
}
return false;
}
break;
}
}
try {
Log.v(TAG, "openDevice deviceID=" + deviceID);
HIDDevice device;
device = getDevice(deviceID);
if (device == null) {
HIDDeviceDisconnected(deviceID);
return false;
}
return device.open();
} catch (Exception e) {
Log.e(TAG, "Got exception: " + Log.getStackTraceString(e));
}
return false;
}
public int sendOutputReport(int deviceID, byte[] report) {
try {
Log.v(TAG, "sendOutputReport deviceID=" + deviceID + " length=" + report.length);
HIDDevice device;
device = getDevice(deviceID);
if (device == null) {
HIDDeviceDisconnected(deviceID);
return -1;
}
return device.sendOutputReport(report);
} catch (Exception e) {
Log.e(TAG, "Got exception: " + Log.getStackTraceString(e));
}
return -1;
}
public int sendFeatureReport(int deviceID, byte[] report) {
try {
Log.v(TAG, "sendFeatureReport deviceID=" + deviceID + " length=" + report.length);
HIDDevice device;
device = getDevice(deviceID);
if (device == null) {
HIDDeviceDisconnected(deviceID);
return -1;
}
return device.sendFeatureReport(report);
} catch (Exception e) {
Log.e(TAG, "Got exception: " + Log.getStackTraceString(e));
}
return -1;
}
public boolean getFeatureReport(int deviceID, byte[] report) {
try {
Log.v(TAG, "getFeatureReport deviceID=" + deviceID);
HIDDevice device;
device = getDevice(deviceID);
if (device == null) {
HIDDeviceDisconnected(deviceID);
return false;
}
return device.getFeatureReport(report);
} catch (Exception e) {
Log.e(TAG, "Got exception: " + Log.getStackTraceString(e));
}
return false;
}
public void closeDevice(int deviceID) {
try {
Log.v(TAG, "closeDevice deviceID=" + deviceID);
HIDDevice device;
device = getDevice(deviceID);
if (device == null) {
HIDDeviceDisconnected(deviceID);
return;
}
device.close();
} catch (Exception e) {
Log.e(TAG, "Got exception: " + Log.getStackTraceString(e));
}
}
//////////////////////////////////////////////////////////////////////////////////////////////////////
/////////////// Native methods
//////////////////////////////////////////////////////////////////////////////////////////////////////
private native void HIDDeviceRegisterCallback();
private native void HIDDeviceReleaseCallback();
native void HIDDeviceConnected(int deviceID, String identifier, int vendorId, int productId, String serial_number, int release_number, String manufacturer_string, String product_string, int interface_number);
native void HIDDeviceOpenPending(int deviceID);
native void HIDDeviceOpenResult(int deviceID, boolean opened);
native void HIDDeviceDisconnected(int deviceID);
native void HIDDeviceInputReport(int deviceID, byte[] report);
native void HIDDeviceFeatureReport(int deviceID, byte[] report);
}

307
app/src/main/java/org/etlegacy/app/HIDDeviceUSB.java Normal file
View file

@ -0,0 +1,307 @@
package org.etlegacy.app;
import android.hardware.usb.*;
import android.os.Build;
import android.util.Log;
import java.util.Arrays;
class HIDDeviceUSB implements HIDDevice {
private static final String TAG = "hidapi";
protected HIDDeviceManager mManager;
protected UsbDevice mDevice;
protected int mInterface;
protected int mDeviceId;
protected UsbDeviceConnection mConnection;
protected UsbEndpoint mInputEndpoint;
protected UsbEndpoint mOutputEndpoint;
protected InputThread mInputThread;
protected boolean mRunning;
protected boolean mFrozen;
public HIDDeviceUSB(HIDDeviceManager manager, UsbDevice usbDevice, int interface_number) {
mManager = manager;
mDevice = usbDevice;
mInterface = interface_number;
mDeviceId = manager.getDeviceIDForIdentifier(getIdentifier());
mRunning = false;
}
public String getIdentifier() {
return String.format("%s/%x/%x", mDevice.getDeviceName(), mDevice.getVendorId(), mDevice.getProductId());
}
@Override
public int getId() {
return mDeviceId;
}
@Override
public int getVendorId() {
return mDevice.getVendorId();
}
@Override
public int getProductId() {
return mDevice.getProductId();
}
@Override
public String getSerialNumber() {
String result = null;
if (Build.VERSION.SDK_INT >= 21) {
result = mDevice.getSerialNumber();
}
if (result == null) {
result = "";
}
return result;
}
@Override
public int getVersion() {
return 0;
}
@Override
public String getManufacturerName() {
String result = null;
if (Build.VERSION.SDK_INT >= 21) {
result = mDevice.getManufacturerName();
}
if (result == null) {
result = String.format("%x", getVendorId());
}
return result;
}
@Override
public String getProductName() {
String result = null;
if (Build.VERSION.SDK_INT >= 21) {
result = mDevice.getProductName();
}
if (result == null) {
result = String.format("%x", getProductId());
}
return result;
}
public UsbDevice getDevice() {
return mDevice;
}
public String getDeviceName() {
return getManufacturerName() + " " + getProductName() + "(0x" + String.format("%x", getVendorId()) + "/0x" + String.format("%x", getProductId()) + ")";
}
@Override
public boolean open() {
mConnection = mManager.getUSBManager().openDevice(mDevice);
if (mConnection == null) {
Log.w(TAG, "Unable to open USB device " + getDeviceName());
return false;
}
// Force claim all interfaces
for (int i = 0; i < mDevice.getInterfaceCount(); i++) {
UsbInterface iface = mDevice.getInterface(i);
if (!mConnection.claimInterface(iface, true)) {
Log.w(TAG, "Failed to claim interfaces on USB device " + getDeviceName());
close();
return false;
}
}
// Find the endpoints
UsbInterface iface = mDevice.getInterface(mInterface);
for (int j = 0; j < iface.getEndpointCount(); j++) {
UsbEndpoint endpt = iface.getEndpoint(j);
switch (endpt.getDirection()) {
case UsbConstants.USB_DIR_IN:
if (mInputEndpoint == null) {
mInputEndpoint = endpt;
}
break;
case UsbConstants.USB_DIR_OUT:
if (mOutputEndpoint == null) {
mOutputEndpoint = endpt;
}
break;
}
}
// Make sure the required endpoints were present
if (mInputEndpoint == null || mOutputEndpoint == null) {
Log.w(TAG, "Missing required endpoint on USB device " + getDeviceName());
close();
return false;
}
// Start listening for input
mRunning = true;
mInputThread = new InputThread();
mInputThread.start();
return true;
}
@Override
public int sendFeatureReport(byte[] report) {
int res = -1;
int offset = 0;
int length = report.length;
boolean skipped_report_id = false;
byte report_number = report[0];
if (report_number == 0x0) {
++offset;
--length;
skipped_report_id = true;
}
res = mConnection.controlTransfer(
UsbConstants.USB_TYPE_CLASS | 0x01 /*RECIPIENT_INTERFACE*/ | UsbConstants.USB_DIR_OUT,
0x09/*HID set_report*/,
(3/*HID feature*/ << 8) | report_number,
0,
report, offset, length,
1000/*timeout millis*/);
if (res < 0) {
Log.w(TAG, "sendFeatureReport() returned " + res + " on device " + getDeviceName());
return -1;
}
if (skipped_report_id) {
++length;
}
return length;
}
@Override
public int sendOutputReport(byte[] report) {
int r = mConnection.bulkTransfer(mOutputEndpoint, report, report.length, 1000);
if (r != report.length) {
Log.w(TAG, "sendOutputReport() returned " + r + " on device " + getDeviceName());
}
return r;
}
@Override
public boolean getFeatureReport(byte[] report) {
int res = -1;
int offset = 0;
int length = report.length;
boolean skipped_report_id = false;
byte report_number = report[0];
if (report_number == 0x0) {
/* Offset the return buffer by 1, so that the report ID
will remain in byte 0. */
++offset;
--length;
skipped_report_id = true;
}
res = mConnection.controlTransfer(
UsbConstants.USB_TYPE_CLASS | 0x01 /*RECIPIENT_INTERFACE*/ | UsbConstants.USB_DIR_IN,
0x01/*HID get_report*/,
(3/*HID feature*/ << 8) | report_number,
0,
report, offset, length,
1000/*timeout millis*/);
if (res < 0) {
Log.w(TAG, "getFeatureReport() returned " + res + " on device " + getDeviceName());
return false;
}
if (skipped_report_id) {
++res;
++length;
}
byte[] data;
if (res == length) {
data = report;
} else {
data = Arrays.copyOfRange(report, 0, res);
}
mManager.HIDDeviceFeatureReport(mDeviceId, data);
return true;
}
@Override
public void close() {
mRunning = false;
if (mInputThread != null) {
while (mInputThread.isAlive()) {
mInputThread.interrupt();
try {
mInputThread.join();
} catch (InterruptedException e) {
// Keep trying until we're done
}
}
mInputThread = null;
}
if (mConnection != null) {
for (int i = 0; i < mDevice.getInterfaceCount(); i++) {
UsbInterface iface = mDevice.getInterface(i);
mConnection.releaseInterface(iface);
}
mConnection.close();
mConnection = null;
}
}
@Override
public void shutdown() {
close();
mManager = null;
}
@Override
public void setFrozen(boolean frozen) {
mFrozen = frozen;
}
protected class InputThread extends Thread {
@Override
public void run() {
int packetSize = mInputEndpoint.getMaxPacketSize();
byte[] packet = new byte[packetSize];
while (mRunning) {
int r;
try
{
r = mConnection.bulkTransfer(mInputEndpoint, packet, packetSize, 1000);
}
catch (Exception e)
{
Log.v(TAG, "Exception in UsbDeviceConnection bulktransfer: " + e);
break;
}
if (r < 0) {
// Could be a timeout or an I/O error
}
if (r > 0) {
byte[] data;
if (r == packetSize) {
data = packet;
} else {
data = Arrays.copyOfRange(packet, 0, r);
}
if (!mFrozen) {
mManager.HIDDeviceInputReport(mDeviceId, data);
}
}
}
}
}
}