CSW csw = new CSW();
csw.setSignature(US_BULK_CS_SIGN);
USBDataPipe inPipe = ((USBDataPipe) storageDeviceData.getBulkInEndPoint().getPipe());
USBRequest resp = inPipe.createRequest(csw);
if (timeout <= 0) {
inPipe.asyncSubmit(resp);
} else {
inPipe.syncSubmit(resp, timeout);
}
} catch (USBException e) {
e.printStackTrace();