Java Code Examples for android.hardware.usb.UsbConstants#USB_CLASS_AUDIO

The following examples show how to use android.hardware.usb.UsbConstants#USB_CLASS_AUDIO . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: UsbMidiDeviceFactoryAndroid.java    From 365browser with Apache License 2.0 6 votes vote down vote up 
/**
 * Request a device access permission if there is a MIDI interface in the device.
 *
 * @param device a USB device
 */
private void requestDevicePermissionIfNecessary(UsbDevice device) {
    for (UsbDevice d : mRequestedDevices) {
        if (d.getDeviceId() == device.getDeviceId()) {
            // It is already requested.
            return;
        }
    }

    for (int i = 0; i < device.getInterfaceCount(); ++i) {
        UsbInterface iface = device.getInterface(i);
        if (iface.getInterfaceClass() == UsbConstants.USB_CLASS_AUDIO
                && iface.getInterfaceSubclass() == UsbMidiDeviceAndroid.MIDI_SUBCLASS) {
            // There is at least one interface supporting MIDI.
            mUsbManager.requestPermission(device,
                    PendingIntent.getBroadcast(ContextUtils.getApplicationContext(), 0,
                            new Intent(ACTION_USB_PERMISSION), 0));
            mRequestedDevices.add(device);
            break;
        }
    }
}
Example 2
Source File: UsbHelper.java    From sample-usbenum with Apache License 2.0 5 votes vote down vote up 
public static String nameForClass(int classType) {
    switch (classType) {
        case UsbConstants.USB_CLASS_APP_SPEC:
            return String.format("Application Specific 0x%02x", classType);
        case UsbConstants.USB_CLASS_AUDIO:
            return "Audio";
        case UsbConstants.USB_CLASS_CDC_DATA:
            return "CDC Control";
        case UsbConstants.USB_CLASS_COMM:
            return "Communications";
        case UsbConstants.USB_CLASS_CONTENT_SEC:
            return "Content Security";
        case UsbConstants.USB_CLASS_CSCID:
            return "Content Smart Card";
        case UsbConstants.USB_CLASS_HID:
            return "Human Interface Device";
        case UsbConstants.USB_CLASS_HUB:
            return "Hub";
        case UsbConstants.USB_CLASS_MASS_STORAGE:
            return "Mass Storage";
        case UsbConstants.USB_CLASS_MISC:
            return "Wireless Miscellaneous";
        case UsbConstants.USB_CLASS_PER_INTERFACE:
            return "(Defined Per Interface)";
        case UsbConstants.USB_CLASS_PHYSICA:
            return "Physical";
        case UsbConstants.USB_CLASS_PRINTER:
            return "Printer";
        case UsbConstants.USB_CLASS_STILL_IMAGE:
            return "Still Image";
        case UsbConstants.USB_CLASS_VENDOR_SPEC:
            return String.format("Vendor Specific 0x%02x", classType);
        case UsbConstants.USB_CLASS_VIDEO:
            return "Video";
        case UsbConstants.USB_CLASS_WIRELESS_CONTROLLER:
            return "Wireless Controller";
        default:
            return String.format("0x%02x", classType);
    }
}
Example 3
Source File: UsbUtils.java    From FireFiles with Apache License 2.0 5 votes vote down vote up 
private static String nameForClass(UsbDevice usbDevice) {
    int classType = usbDevice.getDeviceClass();
    switch (classType) {
        case UsbConstants.USB_CLASS_AUDIO:
            return "Audio";
        case UsbConstants.USB_CLASS_CDC_DATA:
            return "CDC Control";
        case UsbConstants.USB_CLASS_COMM:
            return "Communications";
        case UsbConstants.USB_CLASS_CONTENT_SEC:
            return "Content Security";
        case UsbConstants.USB_CLASS_CSCID:
            return "Content Smart Card";
        case UsbConstants.USB_CLASS_HID:
            return "Human Interface Device";
        case UsbConstants.USB_CLASS_HUB:
            return "Hub";
        case UsbConstants.USB_CLASS_MASS_STORAGE:
            return "Mass Storage";
        case UsbConstants.USB_CLASS_MISC:
            return "Wireless Miscellaneous";
        case UsbConstants.USB_CLASS_PHYSICA:
            return "Physical";
        case UsbConstants.USB_CLASS_PRINTER:
            return "Printer";
        case UsbConstants.USB_CLASS_STILL_IMAGE:
            return "Still Image";
        case UsbConstants.USB_CLASS_VENDOR_SPEC:
            return String.format("Vendor Specific 0x%02x", classType);
        case UsbConstants.USB_CLASS_VIDEO:
            return "Video";
        case UsbConstants.USB_CLASS_WIRELESS_CONTROLLER:
            return "Wireless Controller";
        default:
            return "";
    }
}
Example 4
Source File: UsbUtils.java    From FireFiles with Apache License 2.0 5 votes vote down vote up 
private static String nameForClass(UsbDevice usbDevice) {
    int classType = usbDevice.getDeviceClass();
    switch (classType) {
        case UsbConstants.USB_CLASS_AUDIO:
            return "Audio";
        case UsbConstants.USB_CLASS_CDC_DATA:
            return "CDC Control";
        case UsbConstants.USB_CLASS_COMM:
            return "Communications";
        case UsbConstants.USB_CLASS_CONTENT_SEC:
            return "Content Security";
        case UsbConstants.USB_CLASS_CSCID:
            return "Content Smart Card";
        case UsbConstants.USB_CLASS_HID:
            return "Human Interface Device";
        case UsbConstants.USB_CLASS_HUB:
            return "Hub";
        case UsbConstants.USB_CLASS_MASS_STORAGE:
            return "Mass Storage";
        case UsbConstants.USB_CLASS_MISC:
            return "Wireless Miscellaneous";
        case UsbConstants.USB_CLASS_PHYSICA:
            return "Physical";
        case UsbConstants.USB_CLASS_PRINTER:
            return "Printer";
        case UsbConstants.USB_CLASS_STILL_IMAGE:
            return "Still Image";
        case UsbConstants.USB_CLASS_VENDOR_SPEC:
            return String.format("Vendor Specific 0x%02x", classType);
        case UsbConstants.USB_CLASS_VIDEO:
            return "Video";
        case UsbConstants.USB_CLASS_WIRELESS_CONTROLLER:
            return "Wireless Controller";
        default:
            return "";
    }
}
Example 5
Source File: UsbUtils.java    From FireFiles with Apache License 2.0 5 votes vote down vote up 
private static String nameForClass(UsbDevice usbDevice) {
    int classType = usbDevice.getDeviceClass();
    switch (classType) {
        case UsbConstants.USB_CLASS_AUDIO:
            return "Audio";
        case UsbConstants.USB_CLASS_CDC_DATA:
            return "CDC Control";
        case UsbConstants.USB_CLASS_COMM:
            return "Communications";
        case UsbConstants.USB_CLASS_CONTENT_SEC:
            return "Content Security";
        case UsbConstants.USB_CLASS_CSCID:
            return "Content Smart Card";
        case UsbConstants.USB_CLASS_HID:
            return "Human Interface Device";
        case UsbConstants.USB_CLASS_HUB:
            return "Hub";
        case UsbConstants.USB_CLASS_MASS_STORAGE:
            return "Mass Storage";
        case UsbConstants.USB_CLASS_MISC:
            return "Wireless Miscellaneous";
        case UsbConstants.USB_CLASS_PHYSICA:
            return "Physical";
        case UsbConstants.USB_CLASS_PRINTER:
            return "Printer";
        case UsbConstants.USB_CLASS_STILL_IMAGE:
            return "Still Image";
        case UsbConstants.USB_CLASS_VENDOR_SPEC:
            return String.format("Vendor Specific 0x%02x", classType);
        case UsbConstants.USB_CLASS_VIDEO:
            return "Video";
        case UsbConstants.USB_CLASS_WIRELESS_CONTROLLER:
            return "Wireless Controller";
        default:
            return "";
    }
}
Example 6
Source File: UsbMidiDeviceAndroid.java    From 365browser with Apache License 2.0 5 votes vote down vote up 
/**
 * Constructs a UsbMidiDeviceAndroid.
 * @param manager
 * @param device The USB device which this object is assocated with.
 */
UsbMidiDeviceAndroid(UsbManager manager, UsbDevice device) {
    mConnection = manager.openDevice(device);
    mEndpointMap = new SparseArray<UsbEndpoint>();
    mRequestMap = new HashMap<UsbEndpoint, UsbRequest>();
    mHandler = new Handler();
    mUsbDevice = device;
    mIsClosed = false;
    mHasInputThread = false;
    mNativePointer = 0;

    for (int i = 0; i < device.getInterfaceCount(); ++i) {
        UsbInterface iface = device.getInterface(i);
        if (iface.getInterfaceClass() != UsbConstants.USB_CLASS_AUDIO
                || iface.getInterfaceSubclass() != MIDI_SUBCLASS) {
            continue;
        }
        mConnection.claimInterface(iface, true);
        for (int j = 0; j < iface.getEndpointCount(); ++j) {
            UsbEndpoint endpoint = iface.getEndpoint(j);
            if (endpoint.getDirection() == UsbConstants.USB_DIR_OUT) {
                mEndpointMap.put(endpoint.getEndpointNumber(), endpoint);
            }
        }
    }
    // Start listening for input endpoints.
    // This function will create and run a thread if there is USB-MIDI endpoints in the
    // device. Note that because UsbMidiDevice is shared among all tabs and the thread
    // will be terminated when the device is disconnected, at most one thread can be created
    // for each connected USB-MIDI device.
    startListen(device);
}