package DemoMath; import java.util.List; import javax.usb.UsbConfiguration; import javax.usb.UsbConst; import javax.usb.UsbControlIrp; import javax.usb.UsbDevice; import javax.usb.UsbDeviceDescriptor; import javax.usb.UsbEndpoint; import javax.usb.UsbException; import javax.usb.UsbHostManager; import javax.usb.UsbHub; import javax.usb.UsbInterface; import javax.usb.UsbInterfacePolicy; import javax.usb.UsbPipe; import javax.usb.util.UsbUtil; public class UsbConn { private static final short VENDOR_ID = 0x04b4; private static final short PRODUCT_ID = 0x1004; private static final byte INTERFACE_AD= 0x00; private static final byte ENDPOINT_OUT= 0x02; private static final byte ENDPOINT_IN= (byte) 0x86; private static final byte[] COMMAND = {0x01,0x00}; @SuppressWarnings("unchecked") public static UsbDevice findMissileLauncher(UsbHub hub) { UsbDevice launcher = null; for (UsbDevice device : (List<UsbDevice>) hub.getAttachedUsbDevices()) { if (device.isUsbHub()) { launcher = findMissileLauncher((UsbHub) device); if (launcher != null) return launcher; } else { UsbDeviceDescriptor desc = device.getUsbDeviceDescriptor(); if (desc.idVendor() == VENDOR_ID && desc.idProduct() == PRODUCT_ID) { System.out.println("发现设备" + device); return device; } } } return null; } //command for controlTransfer public static void sendMessage(UsbDevice device, byte[] message) throws UsbException { UsbControlIrp irp = device .createUsbControlIrp( (byte) (UsbConst.REQUESTTYPE_TYPE_CLASS | UsbConst.REQUESTTYPE_RECIPIENT_INTERFACE), (byte) 0x09, (short) 2, (short) 1); irp.setData(message); device.syncSubmit(irp); } /** * Class to listen in a dedicated Thread for data coming events. * This really could be used for any HID device. */ public static class HidMouseRunnable implements Runnable { /* This pipe must be the HID interface's interrupt-type in-direction endpoint's pipe. */ public HidMouseRunnable(UsbPipe pipe) { usbPipe = pipe; } public void run() { byte[] buffer = new byte[UsbUtil.unsignedInt(usbPipe.getUsbEndpoint().getUsbEndpointDescriptor().wMaxPacketSize())]; @SuppressWarnings("unused") int length = 0; while (running) { try { length = usbPipe.syncSubmit(buffer); } catch ( UsbException uE ) { if (running) { System.out.println("Unable to submit data buffer to HID mouse : " + uE.getMessage()); break; } } if (running) { // System.out.print("Got " + length + " bytes of data from HID mouse :"); // for (int i=0; i<length; i++) // System.out.print(" 0x" + UsbUtil.toHexString(buffer[i])); try { String result = DataFix.getHexString(buffer); System.out.println(result); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } } } /** * Stop/abort listening for data events. */ public void stop() { running = false; usbPipe.abortAllSubmissions(); } public boolean running = true; public UsbPipe usbPipe = null; } /** * get the correct Interface for USB * @param device * @return * @throws UsbException */ public static UsbInterface readInit() throws UsbException{ UsbDevice device = findMissileLauncher(UsbHostManager.getUsbServices() .getRootUsbHub()); if (device == null) { System.out.println("Missile launcher not found."); System.exit(1); } UsbConfiguration configuration = device.getActiveUsbConfiguration(); UsbInterface iface = configuration.getUsbInterface(INTERFACE_AD);//Interface Alternate Number //if you using the MS os,may be you need judge,because MS do not need follow code,by tong iface.claim(new UsbInterfacePolicy() { @Override public boolean forceClaim(UsbInterface arg0) { // TODO Auto-generated method stub return true; } }); return iface; } /** * 异步bulk传输,by tong * @param usbInterface * @param data */ public static void syncSend(UsbInterface usbInterface,byte[] data) { UsbEndpoint endpoint = usbInterface.getUsbEndpoint(ENDPOINT_OUT); UsbPipe outPipe = endpoint.getUsbPipe(); try { outPipe.open(); outPipe.syncSubmit(data); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); }finally{ try { outPipe.close(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } } } public static HidMouseRunnable listenData(UsbInterface usbInterface) { UsbEndpoint endpoint = usbInterface.getUsbEndpoint(ENDPOINT_IN); UsbPipe inPipe = endpoint.getUsbPipe(); HidMouseRunnable hmR = null; try { inPipe.open(); hmR = new HidMouseRunnable(inPipe); Thread t = new Thread(hmR); t.start(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } return hmR; } /** * 主程序入口 * * @param args */ public static void main(String[] args) { // TODO Auto-generated method stub UsbInterface iface; try { iface = readInit(); listenData(iface); syncSend(iface, COMMAND); } catch (UsbException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }
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