/**
  * Iterate over all attached USB devices and look for Crazyradio. If Crazyradio is found, request
  * permission.
  */
 private static UsbDevice searchForCrazyradio(Context context, UsbManager usbManager) {
   UsbDevice device = null;
   HashMap<String, UsbDevice> deviceList = usbManager.getDeviceList();
   // Iterate over USB devices
   for (Entry<String, UsbDevice> e : deviceList.entrySet()) {
     Log.i(
         LOG_TAG,
         "String: "
             + e.getKey()
             + " "
             + e.getValue().getVendorId()
             + " "
             + e.getValue().getProductId());
     if (isCrazyradio(e.getValue())) {
       device = e.getValue();
       break; // stop after first matching device is found
     }
   }
   if (device != null && !usbManager.hasPermission(device)) {
     Log.d(LOG_TAG, "Request permission");
     mPermissionIntent =
         PendingIntent.getBroadcast(
             context, 0, new Intent(context.getPackageName() + ".USB_PERMISSION"), 0);
     usbManager.requestPermission(device, mPermissionIntent);
   } else if (device != null && usbManager.hasPermission(device)) {
     Log.d(LOG_TAG, "Has permission");
   } else {
     Log.d(LOG_TAG, "device == null");
   }
   return device;
 }
Esempio n. 2
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  public ZBCoordinator(Context context, String actionUsbPermission) {
    super();
    UsbManager manager = (UsbManager) context.getSystemService(Context.USB_SERVICE);
    HashMap<String, UsbDevice> deviceList = manager.getDeviceList();

    Iterator<UsbDevice> deviceIterator = deviceList.values().iterator();
    UsbDevice device = null;
    while (deviceIterator.hasNext()) {
      UsbDevice devi = deviceIterator.next();
      // TODO Remove hardcoded IDs
      if (devi.getProductId() == 0x05dc && devi.getVendorId() == 0x16c0) device = devi;
      // TODO Make sure this is the ZBCoordinator using RAW Descriptors
    }

    PendingIntent mPermissionIntent =
        PendingIntent.getBroadcast(context, 0, new Intent(actionUsbPermission), 0);

    if (device != null && !manager.hasPermission(device))
      manager.requestPermission(device, mPermissionIntent);

    if (device != null && manager.hasPermission(device)) {
      UsbInterface intf = device.getInterface(0);
      this.endpointInt = intf.getEndpoint(0);
      this.usbDeviceConnection = manager.openDevice(device);
      this.usbDeviceConnection.claimInterface(intf, false);
      this.canUse = true;
    }
  }
Esempio n. 3
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  /**
   * デバイスの利用開始。
   *
   * @return null=正常、null以外=エラーメッセージ
   */
  public String onStart(UsbDevice device) {
    Log.d(TAG, "onStart:" + device);
    if (!device.equals(usbDevice)) {
      return "No device attach.";
    }
    if (!usbManager.hasPermission(usbDevice)) {
      return "No device permission.";
    }

    usbConnection = usbManager.openDevice(usbDevice);
    // TODO:インターフェースの検出は端折ってます。
    UsbInterface usbIf = usbDevice.getInterface(INTERFACE_INDEX);

    // EndPointの検索。分かってる場合は直接取り出しても良い。
    for (int i = 0; i < usbIf.getEndpointCount(); i++) {
      UsbEndpoint ep = usbIf.getEndpoint(i);
      Log.d(TAG, "tye=" + ep.getType());
      if (ep.getType() == UsbConstants.USB_ENDPOINT_XFER_INT) {
        if (ep.getDirection() == UsbConstants.USB_DIR_IN) {
          endpointIn = ep;
        } else if (ep.getDirection() == UsbConstants.USB_DIR_OUT) {
          endpointOut = ep;
        }
      }
    }
    if (endpointIn == null || endpointOut == null) {
      Log.e(TAG, "Device has not IN/OUT Endpoint.");
      return "Device has not IN/OUT Endpoint.";
    }
    // デバイスの確保
    usbConnection.claimInterface(usbIf, true);
    isReady = true;
    return null;
  }
Esempio n. 4
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  public static void authorize(Context svcContext, PendingIntent usbAuthPendingIntent) {
    androidUsbManager = ((UsbManager) svcContext.getSystemService(Context.USB_SERVICE));

    if (!androidUsbManager.hasPermission(adkAccessory)) {
      androidUsbManager.requestPermission(adkAccessory, usbAuthPendingIntent);
    }
  }
Esempio n. 5
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  @Override
  public void onResume() {
    super.onResume();

    // Return if the streams are already initialized
    if (mInputStream != null && mOutputStream != null) {
      return;
    }

    // Initialize the streams
    UsbAccessory[] accessories = mUsbManager.getAccessoryList();
    UsbAccessory accessory = (accessories == null ? null : accessories[0]);
    if (accessory != null) {
      if (mUsbManager.hasPermission(accessory)) {
        openAccessory(accessory);
      } else {
        synchronized (mUsbReceiver) {
          if (!mPermissionRequestPending) {
            mUsbManager.requestPermission(accessory, mPermissionIntent);
            mPermissionRequestPending = true;
          }
        }
      }
    } else {
      Log.d(TAG, "mAccessory is null");
    }
  }
Esempio n. 6
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  @Override
  protected void onResume() {
    super.onResume();
    setNames(); // in case name changed, we also want the name to update on its button
    if (mInputStream != null && mOutputStream != null) {
      return;
    }

    UsbAccessory accessories[] = mUsbManager.getAccessoryList();
    UsbAccessory accessory = (accessories == null ? null : accessories[0]);
    if (accessory != null) {
      if (mUsbManager.hasPermission(accessory)) {
        openAccessory(accessory);
      } else {
        synchronized (mUsbReceiver) {
          if (!mPermissionRequestPending) {
            mUsbManager.requestPermission(accessory, mPermissionIntent);
            mPermissionRequestPending = true;
          }
        }
      }
    } else {
      Log.d(TAG, "mAccessory is null");
      debug.setText("didnt reopen accessory");
    }
  }
  @Override
  protected void onResume() {
    super.onResume();

    HashMap<String, UsbDevice> deviceList = mManager.getDeviceList();
    Iterator<UsbDevice> deviceIterator = deviceList.values().iterator();
    while (deviceIterator.hasNext()) {
      UsbDevice device = deviceIterator.next();
      if (device.getProductId() == PID && device.getVendorId() == VID) {
        if (mManager.hasPermission(device)) mManager.requestPermission(device, mPermissionIntent);
        break;
      }
    }
  }
Esempio n. 8
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 /**
  * デバイスの接続通知。
  *
  * @return null=正常、null以外=エラーメッセージ
  */
 public String onAttach(UsbDevice device) {
   Log.d(TAG, "onAttach:" + device);
   usbDevice = device;
   if (usbDevice == null) {
     Log.e(TAG, "Not found USB Device.");
     return "Not found USB Device.";
   }
   if (usbManager.hasPermission(usbDevice)) {
     return onStart(usbDevice);
   } else {
     // デバイスの利用許可をユーザに求める。
     // 結果は UsbReceiver.onReceive()にコールバック。
     usbManager.requestPermission(usbDevice, permissionIntent);
   }
   return null;
 }
  // return true if a device is found
  boolean askForUSBPermission() {
    UsbManager manager = (UsbManager) getSystemService(Context.USB_SERVICE);

    // register someone to listen for "permission granted" dialogs
    PendingIntent permissionIntent =
        PendingIntent.getBroadcast(this, 0, new Intent(ACTION_USB_PERMISSION), 0);
    IntentFilter filter = new IntentFilter(ACTION_USB_PERMISSION);
    usbListener = new InfiniTAMUSBPermissionListener();
    registerReceiver(usbListener, filter);

    // get a ist of USB devices
    HashMap<String, UsbDevice> deviceList = manager.getDeviceList();
    Iterator<UsbDevice> deviceIterator = deviceList.values().iterator();

    // find the depth camera
    UsbDevice depthCamera = null;
    while (deviceIterator.hasNext()) {
      UsbDevice device = deviceIterator.next();

      if ((device.getVendorId() == 0x1d27) && (device.getProductId() == 0x0600)) {
        depthCamera = device;
      }
    }
    if (depthCamera == null) {
      usbListener = null;
      return false;
    }

    if (manager.hasPermission(depthCamera)) {
      usbListener.setDeviceWithPermission(depthCamera);
    } else {
      manager.requestPermission(depthCamera, permissionIntent);
    }

    return true;
  }
Esempio n. 10
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  /**
   * Enables the
   *
   * @param context The context that the USB manager should register to
   * @return RETURN_CODES - the status of the enable request
   */
  public RETURN_CODES enable(Context context) {
    // Grab the packageName to use for an attach Intent
    actionString = context.getPackageName() + ".action.USB_PERMISSION";

    PendingIntent permissionIntent =
        PendingIntent.getBroadcast(context, 0, new Intent(actionString), 0);

    // If the USB manager isn't already enabled
    if (enabled == false) {
      // Create a new filter with the package name (for the accessory
      // attach)

      try {
        Thread.sleep(500);
      } catch (InterruptedException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
      }

      IntentFilter filter = new IntentFilter(actionString);
      // Also add a few other actions to the intent...
      filter.addAction(UsbManager.ACTION_USB_ACCESSORY_ATTACHED);
      filter.addAction(UsbManager.ACTION_USB_ACCESSORY_DETACHED);
      // and register the intent with the specified context
      context.registerReceiver(receiver, filter);

      UsbManager deviceManager = null;
      UsbAccessory[] accessories = null;
      UsbAccessory accessory = null;

      // Get a UsbManager object from the specified intent (only works for
      // v3.1+ devices)
      deviceManager = (UsbManager) context.getSystemService(Context.USB_SERVICE);

      // If we were unable to get a UsbManager, return an error
      if (deviceManager == null) {
        return RETURN_CODES.DEVICE_MANAGER_IS_NULL;
      }

      // Get a list of all of the accessories from the UsbManager
      accessories = deviceManager.getAccessoryList();

      // If the list of accessories is empty, then exit
      if (accessories == null) {
        return RETURN_CODES.ACCESSORIES_LIST_IS_EMPTY;
      }

      // Get the first accessory in the list (currently the Android OS
      // only
      // supports one accessory, so this is it)
      accessory = accessories[0];

      // If the accessory isn't null, then let's try to attach to it.
      if (accessory != null) {
        // If we have permission to access the accessory,
        if (deviceManager.hasPermission(accessory)) {
          // Try to open a ParcelFileDescriptor by opening the
          // accessory
          parcelFileDescriptor = deviceManager.openAccessory(accessory);
          //					try {
          //						parcelFileDescriptor.close() ;
          //					} catch (IOException e1) {
          //						e1.printStackTrace();
          //					}
          //					parcelFileDescriptor = deviceManager
          //							.openAccessory(accessory);

          if (parcelFileDescriptor != null) {
            // Create a new read thread to handle reading data from
            // the accessory
            readThread = new ReadThread(parcelFileDescriptor);
            readThread.start();

            deviceManager.requestPermission(accessory, permissionIntent);

            if (parcelFileDescriptor == null) {
              Log.d(TAG, "USBAccessoryManager:enable() parcelFileDescriptor == null");
              return RETURN_CODES.FILE_DESCRIPTOR_WOULD_NOT_OPEN;
            }

            // Open the output file stream for writing data out to
            // the accessory
            outputStream = new FileOutputStream(parcelFileDescriptor.getFileDescriptor());

            if (outputStream == null) {
              Log.d(TAG, "USBAccessoryManager:enable() outputStream == null");

              try {
                parcelFileDescriptor.close();
              } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
              }
              return RETURN_CODES.FILE_DESCRIPTOR_WOULD_NOT_OPEN;
            }

            Log.d(TAG, "USBAccessoryManager:enable() outputStream open");

            // If the ParcelFileDescriptor was successfully opened,
            // mark the accessory as enabled and open
            enabled = true;
            open = true;

            handler
                .obtainMessage(
                    what,
                    new USBAccessoryManagerMessage(
                        USBAccessoryManagerMessage.MessageType.READY, accessory))
                .sendToTarget();

            Log.d(TAG, "USBAccessoryManager:enable() device ready");

            return RETURN_CODES.SUCCESS;
          } else {
            /*
             * If we weren't able to open the ParcelFileDescriptor,
             * then we will not be able to talk to the device. Due
             * to a bug in the Android v2.3.4 OS this situation may
             * occur if a user presses the "home" or "back" buttons
             * while an accessory is still attached. In this case
             * the attempt to close the ReadThread will fail if a
             * read() is in progress on the FileInputStream. This
             * results in the ParcelFileDescriptor not being freed
             * up for later access. A future attempt to connect to
             * the accessory (via reopening the app) will end up
             * having the openAccessory() request return null,
             * ending up in this section of code.
             */
            return RETURN_CODES.FILE_DESCRIPTOR_WOULD_NOT_OPEN;
          }
        } else {
          /*
           * If we don't currently have permission to access the
           * accessory, then we need to request it. If we haven't
           * requested it already...
           */
          if (permissionRequested == false) {
            // Then go ahead and request it...
            deviceManager.requestPermission(accessory, permissionIntent);

            permissionRequested = true;
            return RETURN_CODES.PERMISSION_PENDING;
          }
        }
      }

      return RETURN_CODES.ACCESSORIES_LIST_IS_EMPTY;
    }

    return RETURN_CODES.SUCCESS;
  }