Methods Summary |
---|
public static java.lang.String | decodeBCD(short bcd)
int upper = (0xFF00 & bcd) >> 8;
int middle = (0xF0 & bcd) >> 4;
int lower = 0x0F & bcd;
return upper + "." + middle + "." + lower;
|
public static void | describe(UsbDevice device)
UsbDeviceDescriptor descriptor = device.getUsbDeviceDescriptor();
byte manufacturerCode = descriptor.iManufacturer();
System.out.println("Manufacturer index: " + manufacturerCode);
System.out.println("Manufacturer string: "
+ device.getString(manufacturerCode));
byte productCode = descriptor.iProduct();
System.out.println("Product index: " + productCode);
System.out.println("Product string: " + device.getString(productCode));
byte serialCode = descriptor.iSerialNumber();
System.out.println("Serial number index: " + serialCode);
System.out.println("Serial Number string: " + device.getString(serialCode));
System.out.println("Vendor ID: 0x"
+ Integer.toHexString(descriptor.idVendor()));
System.out.println("Product ID: 0x"
+ Integer.toHexString(descriptor.idProduct()));
System.out.println("Class: " + descriptor.bDeviceClass());
System.out.println("Subclass: " + descriptor.bDeviceSubClass());
System.out.println("Protocol: " + descriptor.bDeviceProtocol());
System.out.println("Device version: " + decodeBCD(descriptor.bcdDevice()));
System.out.println("USB version: " + decodeBCD(descriptor.bcdUSB()));
System.out.println("Maximum control packet size: "
+ descriptor.bMaxPacketSize0());
System.out.println("Number of configurations: "
+ descriptor.bNumConfigurations());
System.out.println();
|
public static void | listDevices(UsbHub hub)
List devices = hub.getAttachedUsbDevices();
Iterator iterator = devices.iterator();
while (iterator.hasNext()) {
UsbDevice device = (UsbDevice) iterator.next();
describe(device);
if (device.isUsbHub()) {
listDevices((UsbHub) device);
}
}
|
public static void | main(java.lang.String[] args)
UsbServices services = UsbHostManager.getUsbServices();
UsbHub root = services.getRootUsbHub();
listDevices(root);
|