HIDTest.groovy

HIDTest.groovy

@Grab(group='org.hid4java', module='hid4java', version='0.5.0')

import org.hid4java.HidDevice;
import org.hid4java.HidManager;
import org.hid4java.HidServices;
public int getPid() {
	//return 0xffff804d; // arduino zero RawHID
	//return 0xffff8033 // pybadge
	return 0x486; // teensy
}

public int getVid() {
	//return 0x2341;// Arduino Zero RawHID
	return 0x16c0; // teensy
	//return 0x239a; // pybadge
}

def hidServices = HidManager.getHidServices();
def hidDevice = null;
int foundInterface = Integer.MAX_VALUE;
for (HidDevice h : hidServices.getAttachedHidDevices()) {
	if (h.isVidPidSerial(getVid(), getPid(), null)) {
		System.out.println("Found! interface " + h.getInterfaceNumber() + " " + h);
		if (h.getInterfaceNumber() < foundInterface && !h.isOpen() ) {
			hidDevice = h;
			foundInterface = h.getInterfaceNumber();
			break;
		}

	}else{
		println " Wrong device: "+h.getProduct() +" VID "+String.format("0x%04X",h.getVendorId())+" PID "+String.format("0x%04X",h.getProductId())
	}
}
if(hidDevice!=null){
	boolean opened =hidDevice.open();
	byte[] message=[37]
	int length=1
	hidDevice.write(message, length, (byte) 0);
	if(hidDevice.read(message, 1000)){// read with 1 second timeout
		println "Byte returned "+message
	}else{
		println "ERROR no response"
	}
	hidDevice.close();
	hidServices.shutdown();
}else
	println "FAIL no device found"