import mraa.Aio;
import mraa.Gpio;
import mraa.Mraa;
import mraa.Result;
Mraa mraa = new Mraa();
Gpio ledPin = new Gpio(10);
Result result = ledPin.open();
if (result == Result.SUCCESS) {
} else {
}
Result dirResult = ledPin.dir(Gpio.DIR_OUT);
if (dirResult == Result.SUCCESS) {
} else {
}
Result writeResult = ledPin.write(0.5);
if (writeResult == Result.SUCCESS) {
} else {
}