Java UsbSerialDriver.getDevice方法代码示例

import com.hoho.android.usbserial.driver.UsbSerialDriver; //导入方法依赖的package包/类
@Override
protected void onResume() {
    super.onResume();
    changed=new HandleChange(3);
    calibCounter=0;
    Log.d(TAG, "Resumed, port=" + sPort);
    if (sPort == null) {
        mTitleTextView.setText("No serial device.");
    } else {
        usbManager = (UsbManager) getSystemService(Context.USB_SERVICE);
        List<UsbSerialDriver> availableDrivers = UsbSerialProber.getDefaultProber().findAllDrivers(usbManager);
        if (availableDrivers.isEmpty()) {
            mTitleTextView.append("No drivers available\n");
            Log.d("SerialKost", "no drivers available");
            return;
        }

        UsbSerialDriver driver = availableDrivers.get(0);
        sPort = driver.getPorts().get(0);
        device=driver.getDevice();
        UsbDeviceConnection connection = usbManager.openDevice(device);
        if (connection == null) {
            mTitleTextView.setText("Opening device failed");

            PendingIntent mPermissionIntent;

            Log.i("SerialKost", "Setting PermissionIntent -> MainMenu");
            mPermissionIntent = PendingIntent.getBroadcast(this, 0, new Intent(ACTION_USB_PERMISSION), 0);
            Log.i("SerialKost", "Setting IntentFilter -> MainMenu");
            IntentFilter filter = new IntentFilter(ACTION_USB_PERMISSION);
            Log.i("SerialKost", "Setting registerReceiver -> MainMenu");
            registerReceiver(mUsbReceiver, filter);
            Log.i("SerialKost", "Setting requestPermission -> MainMenu");
            usbManager.requestPermission(device, mPermissionIntent);
            return;
        }
        communicate();
    }
}
 

import com.hoho.android.usbserial.driver.UsbSerialDriver; //导入方法依赖的package包/类
/**
 * Finds the Arduino USB device and asks the user for permission to use it.
 */
private boolean findDevice() {
    UsbManager usbManager = (UsbManager) getSystemService(Context.USB_SERVICE);
    List<UsbSerialDriver> availableDrivers = UsbSerialProber.getDefaultProber().findAllDrivers(usbManager);
    
    // Find the Arduino device.
    for (UsbSerialDriver driver : availableDrivers) {
        UsbDevice device = driver.getDevice();
        int vendorId = device.getVendorId();
        int productId = device.getProductId();
        if ((vendorId == RCCarReceiverService.ARDUINO_USB_VENDOR_ID && 
                productId == RCCarReceiverService.ARDUINO_UNO_USB_PRODUCT_ID) ||
            (vendorId == RCCarReceiverService.ARDUINO_CLONE_VENDOR_ID && 
                productId == RCCarReceiverService.ARDUINO_CLONE_PRODUCT_ID)) {
            Log.d(TAG, "Found Arduino device!");
            
            mUsbSerialDriver = driver;
            
            // Request user's permission to access the device.
            // Processing continues in mBroadcastReceiver after user grants permission.
            PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, new Intent(RCCarReceiverService.ACTION_REQUEST_USB_PERMISSION), 0);
            usbManager.requestPermission(device, pendingIntent);
            return true;
        }
    }
    
    Log.e(TAG, "No Arduino devices found");
    Toast.makeText(this, "No Arduino devices found", Toast.LENGTH_LONG).show();
    return false;

}
 

import com.hoho.android.usbserial.driver.UsbSerialDriver; //导入方法依赖的package包/类
/**
 * Finds the Arduino USB device and asks the user for permission to use it.
 */
private boolean findDevice() {
    UsbManager usbManager = (UsbManager) getSystemService(Context.USB_SERVICE);
    List<UsbSerialDriver> availableDrivers = 
            UsbSerialProber.getDefaultProber().findAllDrivers(usbManager);
    
    // Find the Arduino device.
    for (UsbSerialDriver driver : availableDrivers) {
        UsbDevice device = driver.getDevice();
        int vendorId = device.getVendorId();
        int productId = device.getProductId();
        if ((vendorId == ARDUINO_USB_VENDOR_ID && productId == ARDUINO_UNO_USB_PRODUCT_ID) ||
            (vendorId == ARDUINO_CLONE_VENDOR_ID && productId == ARDUINO_CLONE_PRODUCT_ID)) {
            Log.d(TAG, "Found Arduino device!");
            
            mUsbSerialDriver = driver;
            
            getUsbPermission(new Intent(ACTION_REQUEST_USB_PERMISSION));

            Log.d(TAG, "findDevice() returns true");
            return true;
        }
    }
    
    Log.e(TAG, "No Arduino devices found");
    makeToast("No Arduino devices found");
    stopSelf();
    return false;
}
 

import com.hoho.android.usbserial.driver.UsbSerialDriver; //导入方法依赖的package包/类
@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    if (AndProxApplication.hasUsbHostSupport()) {
        UsbManager manager = (UsbManager) getSystemService(Context.USB_SERVICE);
        PendingIntent mPermissionIntent = PendingIntent.getBroadcast(this, 0, new Intent(ACTION_USB_PERMISSION), 0);
        IntentFilter filter = new IntentFilter(ACTION_USB_PERMISSION);
        registerReceiver(mUsbReceiver, filter);

        dumpUsbDeviceInfo(manager);
        List<UsbSerialDriver> availableDrivers = UsbSerialProber.getDefaultProber().findAllDrivers(manager);
        if (availableDrivers.isEmpty()) {
            Log.d(TAG, "onCreate: no devices present");
            return;
        }

        // Open a connection to the first available driver.
        UsbSerialDriver driver = availableDrivers.get(0);
        UsbDevice device = driver.getDevice();
        manager.requestPermission(device, mPermissionIntent);
    } else {
        Log.e(TAG, "no USB host support!");
        findViewById(R.id.btnConnect).setEnabled(false);
        ((TextView) findViewById(R.id.tvIntroText)).setText(R.string.no_usb_host);

        if (savedInstanceState == null) {
            AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
            builder.setMessage(R.string.no_usb_host)
                    .setTitle(R.string.no_usb_host_title);
            builder.show();
        }
    }

    // Request permission for storage right away, as requesting this when a file is explicitly
    // opened is tedious.
    if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
        ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, STORAGE_PERMISSION_CALLBACK);
    } else {
        // We already have permissions
        CopyTask t = new CopyTask();
        t.execute();
    }
}