/**
* 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;
}
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;
}
}
/**
* 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;
}
public static void authorize(Context svcContext, PendingIntent usbAuthPendingIntent) {
androidUsbManager = ((UsbManager) svcContext.getSystemService(Context.USB_SERVICE));
if (!androidUsbManager.hasPermission(adkAccessory)) {
androidUsbManager.requestPermission(adkAccessory, usbAuthPendingIntent);
}
}
@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");
}
}
@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;
}
}
}
/**
* 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;
}
/**
* 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;
}