gistfile1.java

public class USBMouse extends USBDevice {  
	
	private boolean isLMBPressed;
	private boolean isRMBPressed;		
	private EndpointBuffer mouseEndp;

	public USBMouse(String mac) {
		super(mac);						
        //setup descriptors 
        //Vendor ID, Product ID, Endpoint 0 size
        DeviceDescriptor devDesc = new DeviceDescriptor(0x0483, 0xF772, 64); 
        //Number of interfaces, Attribures: bus powered, required current: 100mA
        ConfigurationDescriptor confDesc = new ConfigurationDescriptor(1, 0xE0, 100); 
        //interface number, Alternate settings, Number of endpoints: 1 (EP1IN)  
        InterfaceDescriptor intDesc = new InterfaceDescriptor(0, 0, 1); 
        HIDDescriptor hidDesc = new HIDDescriptor();
        ReportDescriptor reportDesc = new ReportDescriptor();
        //Address: EP1IN, Attributes: Interrupt endpoint type, size: 3 bytes, Polling interval: 32ms 
        EndpointDescriptor endp1inDesc = new EndpointDescriptor(0x81, 0x03, 3, 32); 
        //Language code
        StringDescriptor langIDString = new StringDescriptor(StringDescriptor.LANGID_US_ENG); 
        //Vendor name
        StringDescriptor vendorString = new StringDescriptor("InputStick"); 
        //Product name
        StringDescriptor productString = new StringDescriptor("MyMouse"); 
         //Serial number
        StringDescriptor serialString = new StringDescriptor("SN123");
        //Report descriptor:
        reportDesc.usagePage(ReportDescriptor.PAGE_GENERIC_DESKTOP);
        reportDesc.usage(ReportDescriptor.DESKTOP_MOUSE);
        reportDesc.collection(ReportDescriptor.COLLECTION_APPLICATION);
        reportDesc.usage(ReportDescriptor.DESKTOP_POINTER);
        reportDesc.collection(ReportDescriptor.COLLECTION_PHYSICAL);
        reportDesc.usagePage(ReportDescriptor.PAGE_BUTTON);        
        reportDesc.usageMinimum(1);
        reportDesc.usageMaximum(3);
        reportDesc.logicalMinimum(0);
        reportDesc.logicalMaximum(1);
        reportDesc.reportCount(2);
        reportDesc.reportSize(1);        
        reportDesc.input(ReportDescriptor.DATA | ReportDescriptor.VARIABLE | ReportDescriptor.ABSOLUTE);
        reportDesc.reportCount(1);
        reportDesc.reportSize(6);                
        reportDesc.input(ReportDescriptor.CONSTANT);
        reportDesc.usagePage(ReportDescriptor.PAGE_GENERIC_DESKTOP);
        reportDesc.usage(ReportDescriptor.DESKTOP_X);
        reportDesc.usage(ReportDescriptor.DESKTOP_Y);                       
        reportDesc.logicalMinimum(-127);
        reportDesc.logicalMaximum(127);        
        reportDesc.reportSize(8);         
        reportDesc.reportCount(2);               
        reportDesc.input(ReportDescriptor.DATA | ReportDescriptor.VARIABLE | ReportDescriptor.RELATIVE);
        reportDesc.collectionEnd();
        reportDesc.collectionEnd();        
        //Class: HID, Subclass, Protocol: Boot
        intDesc.setClass(0x03, 0x01, 0x02);
        hidDesc.addReport(Descriptor.DESCRIPTOR_REPORT, reportDesc.getLength());
        
        confDesc.addLowLevelDescriptor(intDesc);
        confDesc.addLowLevelDescriptor(hidDesc);
        confDesc.addLowLevelDescriptor(endp1inDesc);        
        //setup endpoints
        EndpointConfig ep0cfg = new EndpointConfig(USB.ENDPOINT_CONTROL);
        EndpointConfig ep1cfg = new EndpointConfig(USB.ENDPOINT_INTERRUPT);
        //Endpoint RX state: ready to receive data, Buffer address, Size: 64, Buffer Address: no buffer assigned
        ep0cfg.setRXconfig(USB.EP_RX_VALID, 0x18, 0x40, 0); 
        //Endpoint TX state: stalled, Buffer address, Size: 64, Buffer Address: no buffer assigned
        ep0cfg.setTXconfig(USB.EP_TX_STALL, 0x58, 0x40, 0); 
        //Endpoint RX state: disabled, Buffer address, Size: 0, Buffer Address: no buffer assigned
        ep1cfg.setRXconfig(USB.EP_RX_DISABLED, 0x00, 0x00, 0); 
        //Endpoint TX state: NAK, Buffer address, Size: 3, Buffer Address: no buffer assigned                  
        ep1cfg.setTXconfig(USB.EP_TX_NAK, 0xB0, 0x03, 0); 
        //setup device data
        USBDeviceData devData = super.getDeviceData();
        //Max endpoint index: 2, Number of configurations: 1
        devData.setDeviceInfo(2, 1); 
        //device is interested in correct transfer and reset events 
        devData.setImrMsk(USB.CNTR_CTRM | USB.CNTR_RESETM); 
        //adding data
        devData.addEndpoint(ep0cfg);
        devData.addEndpoint(ep1cfg);
        devData.addDescriptor(devDesc);
        devData.addDescriptor(confDesc);
        devData.addDescriptor(reportDesc);
        devData.addDescriptor(langIDString);
        devData.addDescriptor(vendorString);
        devData.addDescriptor(productString);
        devData.addDescriptor(serialString);   
        //get buffer for EP1IN
        mouseEndp = super.getEndpointBuffer(1); 
	}		

	//press or release left/right button
	public void setKeyState(int keyCode, boolean state) {
		if (keyCode == 1) {
			isLMBPressed = state;
		}
		if (keyCode == 2) {
			isRMBPressed = state;
		}		
	}
	
	//move mouse pointer by x,y
	public void move(int x, int y) {		
        byte[] report = new byte[3];
        //setup report data
        report[0] = 0x00;
        report[1] = (byte)x;
        report[2] = (byte)y;        
        if (isLMBPressed) {
        	report[0] += 1;
        }
        if (isRMBPressed) {
        	report[0] += 2;
        }        
        //enqueue USB report, library will manage delivering it to InputStick device as soon as possible
        mouseEndp.enqueue(BTCommand.getBytes(BTCommand.CMD_ENDP_IN, BTCommand.ENDP_1, report));                	
	}
	
}