下面列出了android.hardware.usb.UsbDeviceConnection#claimInterface ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
@Override
public @NonNull
Iso7816Connection openIso7816Connection() throws IOException {
UsbInterface ccidInterface = getInterface(UsbConstants.USB_CLASS_CSCID);
if (ccidInterface == null) {
throw new IOException("No CCID interface found!");
}
Pair<UsbEndpoint, UsbEndpoint> endpointPair = findEndpoints(ccidInterface, UsbConstants.USB_ENDPOINT_XFER_BULK);
if (endpointPair.first == null || endpointPair.second == null) {
throw new IOException("Unable to find endpoints!");
}
UsbDeviceConnection connection = openConnection();
if (connection == null) {
throw new IOException("exception in UsbManager.openDevice");
}
if (!connection.claimInterface(ccidInterface, true)) {
connection.close();
throw new IOException("Interface couldn't be claimed");
}
return new UsbIso7816Connection(connection, ccidInterface, endpointPair.first, endpointPair.second);
}
/**
* Creates and starts session for communication with yubikey using HID interface
* @return session for communication with yubikey (supported over USB only)
* @throws IOException if Keyboard HID interface or endpoints are not found
*/
public @NonNull
UsbHidConnection openHidKeyboardConnection() throws IOException {
UsbInterface hidInterface = getInterface(UsbConstants.USB_CLASS_HID);
if (hidInterface == null) {
throw new IOException("No HID interface found");
}
if (hidInterface.getInterfaceSubclass() != UsbConstants.USB_INTERFACE_SUBCLASS_BOOT) {
throw new IOException("No expected HID interface");
}
UsbDeviceConnection connection = openConnection();
if (connection == null) {
throw new IOException("exception in UsbManager.openDevice");
}
if (!connection.claimInterface(hidInterface, true)) {
connection.close();
throw new IOException("Interface couldn't be claimed");
}
return new UsbHidConnection(connection, hidInterface);
}
@Override
public void open(UsbDeviceConnection connection) throws IOException {
if (mConnection != null) {
throw new IOException("Already open");
}
mConnection = connection;
boolean opened = false;
try {
for (int i = 0; i < mDevice.getInterfaceCount(); i++) {
if (connection.claimInterface(mDevice.getInterface(i), true)) {
Log.d(TAG, "claimInterface " + i + " SUCCESS");
} else {
throw new IOException("Error claiming interface " + i);
}
}
reset();
opened = true;
} finally {
if (!opened) {
close();
mConnection = null;
}
}
}
public static BTChipTransport open(UsbManager manager, UsbDevice device) throws IOException {
UsbDeviceConnection connection = manager.openDevice(device);
if (connection == null) throw new IOException("Device not connected");
// Must only be called once permission is granted (see http://developer.android.com/reference/android/hardware/usb/UsbManager.html)
// Important if enumerating, rather than being awaken by the intent notification
UsbInterface dongleInterface = device.getInterface(0);
UsbEndpoint in = null;
UsbEndpoint out = null;
for (int i = 0; i < dongleInterface.getEndpointCount(); i++) {
UsbEndpoint tmpEndpoint = dongleInterface.getEndpoint(i);
if (tmpEndpoint.getDirection() == UsbConstants.USB_DIR_IN) {
in = tmpEndpoint;
} else {
out = tmpEndpoint;
}
}
connection.claimInterface(dongleInterface, true);
return new BTChipTransportAndroidHID(connection, dongleInterface, in, out);
}
@Override
public void open(UsbDeviceConnection connection) throws IOException {
if (mConnection != null) {
throw new IOException("Already open");
}
mConnection = connection;
boolean opened = false;
try {
for (int i = 0; i < mDevice.getInterfaceCount(); i++) {
if (connection.claimInterface(mDevice.getInterface(i), true)) {
Log.d(TAG, "claimInterface " + i + " SUCCESS");
} else {
throw new IOException("Error claiming interface " + i);
}
}
reset();
opened = true;
} finally {
if (!opened) {
close();
mConnection = null;
}
}
}
protected void setupUsb(UsbDevice device) {
UsbInterface inf = device.getInterface(0);
UsbDeviceConnection conn = mUsbManager.openDevice(device);
if (conn == null) {
Log.wtf("MainActivity", "unable to open device?");
return;
}
if (!conn.claimInterface(inf, true)) {
conn.close();
Log.wtf("MainActivity", "unable to claim interface!");
return;
}
mBlinkDevice = device;
mBlinkConn = conn;
}
@Override
public void open(UsbDeviceConnection connection) throws IOException {
if (mConnection != null) {
throw new IOException("Already open");
}
mConnection = connection;
boolean opened = false;
try {
for (int i = 0; i < mDevice.getInterfaceCount(); i++) {
if (connection.claimInterface(mDevice.getInterface(i), true)) {
Log.d(TAG, "claimInterface " + i + " SUCCESS");
} else {
throw new IOException("Error claiming interface " + i);
}
}
reset();
opened = true;
} finally {
if (!opened) {
close();
mConnection = null;
}
}
}
@Override
public void open(UsbDeviceConnection connection) throws IOException {
if (mConnection != null) {
throw new IOException("Already open");
}
mConnection = connection;
boolean opened = false;
try {
for (int i = 0; i < mDevice.getInterfaceCount(); i++) {
if (connection.claimInterface(mDevice.getInterface(i), true)) {
L.INSTANCE.d("claimInterface " + i + " SUCCESS");
} else {
throw new IOException("Error claiming interface " + i);
}
}
reset();
opened = true;
} finally {
if (!opened) {
close();
mConnection = null;
}
}
}
@Override
public void open(UsbDeviceConnection connection) throws IOException {
if (mConnection != null) {
throw new IOException("Already open");
}
mConnection = connection;
boolean opened = false;
try {
for (int i = 0; i < mDevice.getInterfaceCount(); i++) {
if (connection.claimInterface(mDevice.getInterface(i), true)) {
Log.d(TAG, "claimInterface " + i + " SUCCESS");
} else {
throw new IOException("Error claiming interface " + i);
}
}
reset();
opened = true;
} finally {
if (!opened) {
close();
mConnection = null;
}
}
}
@Override
public void open(UsbDeviceConnection connection) throws IOException {
if (mConnection != null) {
throw new IOException("Already open");
}
mConnection = connection;
boolean opened = false;
try {
for (int i = 0; i < mDevice.getInterfaceCount(); i++) {
if (connection.claimInterface(mDevice.getInterface(i), true)) {
Log.d(TAG, "claimInterface " + i + " SUCCESS");
} else {
throw new IOException("Error claiming interface " + i);
}
}
reset();
opened = true;
} finally {
if (!opened) {
close();
mConnection = null;
}
}
}
@Override
public void open(UsbDeviceConnection connection) throws IOException {
if (mConnection != null) {
throw new IOException("Already open");
}
mConnection = connection;
boolean opened = false;
try {
for (int i = 0; i < mDevice.getInterfaceCount(); i++) {
if (connection.claimInterface(mDevice.getInterface(i), true)) {
Log.d(TAG, "claimInterface " + i + " SUCCESS");
} else {
throw new IOException("Error claiming interface " + i);
}
}
reset();
opened = true;
} finally {
if (!opened) {
close();
mConnection = null;
}
}
}
@Override
public void open(UsbDeviceConnection connection) throws IOException {
if (mConnection != null) {
throw new IOException("Already open");
}
mConnection = connection;
boolean opened = false;
try {
for (int i = 0; i < mDevice.getInterfaceCount(); i++) {
if (connection.claimInterface(mDevice.getInterface(i), true)) {
Log.d(TAG, "claimInterface " + i + " SUCCESS");
} else {
throw new IOException("Error claiming interface " + i);
}
}
reset();
opened = true;
} finally {
if (!opened) {
close();
mConnection = null;
}
}
}
public void setDevice(UsbDevice device) {
mDevice = device;
// The first interface is the one we want
mInterface = device.getInterface(0); // todo check when changing if alternative interface is changing
if (device != null) {
UsbDeviceConnection connection = mUsbManager.openDevice(device);
if (connection != null && connection.claimInterface(mInterface, true)) {
Log.i(TAG, "open SUCCESS");
mConnection = connection;
// get the bcdDevice version
byte[] rawDescriptor = mConnection.getRawDescriptors();
mDeviceVersion = rawDescriptor[13] << 8;
mDeviceVersion |= rawDescriptor[12];
Log.i("USB", getDeviceInfo(device));
} else {
Log.e(TAG, "open FAIL");
mConnection = null;
}
}
}
@Override
public void open(UsbDeviceConnection connection) throws IOException {
if (mConnection != null) {
throw new IOException("Already open");
}
mConnection = connection;
boolean opened = false;
try {
for (int i = 0; i < mDevice.getInterfaceCount(); i++) {
if (connection.claimInterface(mDevice.getInterface(i), true)) {
Log.d(TAG, "claimInterface " + i + " SUCCESS");
} else {
throw new IOException("Error claiming interface " + i);
}
}
reset();
opened = true;
} finally {
if (!opened) {
close();
mConnection = null;
}
}
}
public static BTChipTransport open(UsbManager manager, UsbDevice device) {
// Must only be called once permission is granted (see http://developer.android.com/reference/android/hardware/usb/UsbManager.html)
// Important if enumerating, rather than being awaken by the intent notification
UsbInterface dongleInterface = device.getInterface(0);
UsbEndpoint in = null;
UsbEndpoint out = null;
boolean ledger;
for (int i=0; i<dongleInterface.getEndpointCount(); i++) {
UsbEndpoint tmpEndpoint = dongleInterface.getEndpoint(i);
if (tmpEndpoint.getDirection() == UsbConstants.USB_DIR_IN) {
in = tmpEndpoint;
}
else {
out = tmpEndpoint;
}
}
UsbDeviceConnection connection = manager.openDevice(device);
if (connection == null) {
return null;
}
connection.claimInterface(dongleInterface, true);
ledger = ((device.getProductId() == PID_HID_LEDGER) || (device.getProductId() == PID_HID_LEDGER_PROTON)
|| (device.getProductId() == PID_NANOS) || (device.getProductId() == PID_BLUE) || (device.getProductId() == PID_NANOX));
if (device.getProductId() == PID_WINUSB) {
return new BTChipTransportAndroidWinUSB(connection, dongleInterface, in, out, TIMEOUT);
}
else {
return new BTChipTransportAndroidHID(connection, dongleInterface, in, out, TIMEOUT, ledger);
}
}
public static BTChipTransport open(UsbManager manager, UsbDevice device) {
// Must only be called once permission is granted (see http://developer.android.com/reference/android/hardware/usb/UsbManager.html)
// Important if enumerating, rather than being awaken by the intent notification
UsbInterface dongleInterface = device.getInterface(0);
UsbEndpoint in = null;
UsbEndpoint out = null;
boolean ledger;
for (int i=0; i<dongleInterface.getEndpointCount(); i++) {
UsbEndpoint tmpEndpoint = dongleInterface.getEndpoint(i);
if (tmpEndpoint.getDirection() == UsbConstants.USB_DIR_IN) {
in = tmpEndpoint;
}
else {
out = tmpEndpoint;
}
}
UsbDeviceConnection connection = manager.openDevice(device);
if (connection == null) {
return null;
}
connection.claimInterface(dongleInterface, true);
ledger = ((device.getProductId() == PID_HID_LEDGER) || (device.getProductId() == PID_HID_LEDGER_PROTON)
|| (device.getProductId() == PID_NANOS) || (device.getProductId() == PID_BLUE));
if (device.getProductId() == PID_WINUSB) {
return new BTChipTransportAndroidWinUSB(connection, dongleInterface, in, out, TIMEOUT);
}
else {
return new BTChipTransportAndroidHID(connection, dongleInterface, in, out, TIMEOUT, ledger);
}
}
public static BTChipTransport open(UsbManager manager, UsbDevice device) {
// Must only be called once permission is granted (see http://developer.android.com/reference/android/hardware/usb/UsbManager.html)
// Important if enumerating, rather than being awaken by the intent notification
UsbInterface dongleInterface = device.getInterface(0);
UsbEndpoint in = null;
UsbEndpoint out = null;
boolean ledger;
for (int i=0; i<dongleInterface.getEndpointCount(); i++) {
UsbEndpoint tmpEndpoint = dongleInterface.getEndpoint(i);
if (tmpEndpoint.getDirection() == UsbConstants.USB_DIR_IN) {
in = tmpEndpoint;
}
else {
out = tmpEndpoint;
}
}
UsbDeviceConnection connection = manager.openDevice(device);
connection.claimInterface(dongleInterface, true);
ledger = ((device.getProductId() == PID_HID_LEDGER) || (device.getProductId() == PID_HID_LEDGER_PROTON)
|| (device.getProductId() == PID_NANOS) || (device.getProductId() == PID_BLUE));
if (device.getProductId() == PID_WINUSB) {
return new BTChipTransportAndroidWinUSB(connection, dongleInterface, in, out, TIMEOUT);
}
else {
return new BTChipTransportAndroidHID(connection, dongleInterface, in, out, TIMEOUT, ledger);
}
}
@Override
public boolean attachToDevice(Socket s, String busId) {
UsbDevice dev = getDevice(busId);
if (dev == null) {
return false;
}
if (connections.get(dev.getDeviceId()) != null) {
// Already attached
return false;
}
if (!usbManager.hasPermission(dev)) {
// Try to get permission from the user
permission.put(dev.getDeviceId(), null);
usbManager.requestPermission(dev, usbPermissionIntent);
synchronized (dev) {
while (permission.get(dev.getDeviceId()) == null) {
try {
dev.wait(1000);
} catch (InterruptedException e) {
return false;
}
}
}
// User may have rejected this
if (!permission.get(dev.getDeviceId())) {
return false;
}
}
UsbDeviceConnection devConn = usbManager.openDevice(dev);
if (devConn == null) {
return false;
}
// Claim all interfaces since we don't know which one the client wants
for (int i = 0; i < dev.getInterfaceCount(); i++) {
if (!devConn.claimInterface(dev.getInterface(i), true)) {
System.err.println("Unabled to claim interface "+dev.getInterface(i).getId());
}
}
// Create a context for this attachment
AttachedDeviceContext context = new AttachedDeviceContext();
context.devConn = devConn;
context.device = dev;
// Count all endpoints on all interfaces
int endpointCount = 0;
for (int i = 0; i < dev.getInterfaceCount(); i++) {
endpointCount += dev.getInterface(i).getEndpointCount();
}
// Use a thread pool with a thread per endpoint
context.requestPool = new ThreadPoolExecutor(endpointCount, endpointCount,
Long.MAX_VALUE, TimeUnit.DAYS,
new LinkedBlockingQueue<Runnable>(), new ThreadPoolExecutor.DiscardPolicy());
// Create the active message set
context.activeMessages = new HashSet<UsbIpSubmitUrb>();
connections.put(dev.getDeviceId(), context);
socketMap.put(s, context);
updateNotification();
return true;
}
public static Trezor getDevice(final Context context, final TrezorGUICallback guiFn,
final Network network) {
final UsbManager manager = (UsbManager)context.getSystemService(Context.USB_SERVICE);
for (final UsbDevice device: manager.getDeviceList().values()) {
// Check if the device is TREZOR (or AvalonWallet or BWALLET)
final int vendorId = device.getVendorId();
final int productId = device.getProductId();
if ((vendorId != 0x534c || productId != 0x0001) &&
(vendorId != 0x1209 || productId != 0x53c0) &&
(vendorId != 0x1209 || productId != 0x53c1) &&
(vendorId != 0x10c4 || productId != 0xea80)) {
continue;
}
Log.i(TAG, "Hardware Wallet device found");
if (device.getInterfaceCount() < 1) {
Log.e(TAG, "Wrong interface count");
continue;
}
// Use first interface
final UsbInterface iface = device.getInterface(0);
// Try to find read/write endpoints
UsbEndpoint readEndpoint = null, writeEndpoint = null;
for (int i = 0; i < iface.getEndpointCount(); ++i) {
final UsbEndpoint ep = iface.getEndpoint(i);
if (readEndpoint == null &&
ep.getType() == UsbConstants.USB_ENDPOINT_XFER_INT &&
ep.getAddress() == 0x81) {
// number = 1 ; dir = USB_DIR_IN
readEndpoint = ep;
continue;
}
if (writeEndpoint == null &&
ep.getType() == UsbConstants.USB_ENDPOINT_XFER_INT &&
(ep.getAddress() == 0x01 || ep.getAddress() == 0x02)) {
// number = 1 ; dir = USB_DIR_OUT
writeEndpoint = ep;
continue;
}
Log.e(TAG, String.format("ep %d", ep.getAddress()));
}
if (!isEndpointOK(readEndpoint, "read") || !isEndpointOK(writeEndpoint, "write"))
continue;
// Try to open the device
final UsbDeviceConnection conn = manager.openDevice(device);
if (conn == null || !conn.claimInterface(iface, true)) {
Log.e(TAG, conn == null ? "Could not open connection" : "Could not claim interface");
continue;
}
// All OK - return the class
return new Trezor(guiFn, device, conn, readEndpoint, writeEndpoint, network);
}
return null;
}
/**
* Initialize the USB device. Determines endpoints and prepares communication.
*
* @param vid
* @param pid
* @throws IOException if the device cannot be opened
* @throws SecurityException
*/
public void initDevice(int vid, int pid) throws IOException, SecurityException {
mUsbManager = (UsbManager) mContext.getSystemService(Context.USB_SERVICE);
if (mUsbManager == null) {
throw new IllegalArgumentException("UsbManager == null!");
}
List<UsbDevice> usbDevices = findUsbDevices(mUsbManager, (short) vid, (short) pid);
if (usbDevices.isEmpty() || usbDevices.get(0) == null) {
throw new IOException("USB device not found. (VID: " + vid + ", PID: " + pid + ")");
}
// TODO: Only gets the first USB device that is found
this.mUsbDevice = usbDevices.get(0);
//request permissions
if (mUsbDevice != null && !mUsbManager.hasPermission(mUsbDevice)) {
Log.d(LOG_TAG, "Request permission");
mPermissionIntent = PendingIntent.getBroadcast(mContext, 0, new Intent(mContext.getPackageName()+".USB_PERMISSION"), 0);
mUsbManager.requestPermission(mUsbDevice, mPermissionIntent);
} else if (mUsbDevice != null && mUsbManager.hasPermission(mUsbDevice)) {
Log.d(LOG_TAG, "Has permission");
} else {
Log.d(LOG_TAG, "device == null");
return;
}
Log.d(LOG_TAG, "setDevice " + this.mUsbDevice);
// find interface
if (this.mUsbDevice.getInterfaceCount() != 1) {
Log.e(LOG_TAG, "Could not find interface");
return;
}
mIntf = this.mUsbDevice.getInterface(0);
// device should have two endpoints
if (mIntf.getEndpointCount() != 2) {
Log.e(LOG_TAG, "Could not find endpoints");
return;
}
// endpoints should be of type bulk
UsbEndpoint ep = mIntf.getEndpoint(0);
if (ep.getType() != UsbConstants.USB_ENDPOINT_XFER_BULK) {
Log.e(LOG_TAG, "Endpoint is not of type bulk");
return;
}
// check endpoint direction
if (ep.getDirection() == UsbConstants.USB_DIR_IN) {
mEpIn = mIntf.getEndpoint(0);
mEpOut = mIntf.getEndpoint(1);
} else {
mEpIn = mIntf.getEndpoint(1);
mEpOut = mIntf.getEndpoint(0);
}
UsbDeviceConnection connection = mUsbManager.openDevice(mUsbDevice);
if (connection != null && connection.claimInterface(mIntf, true)) {
Log.d(LOG_TAG, "open SUCCESS");
mConnection = connection;
} else {
Log.d(LOG_TAG, "open FAIL");
throw new IOException("could not open usb connection");
}
}