Zur Werkzeugleiste springen

Vonsfambach

Jun 11, 2017
import com.pi4j.io.gpio.GpioController;
import com.pi4j.io.gpio.GpioFactory;
import com.pi4j.io.gpio.GpioPinDigitalOutput;
import com.pi4j.io.gpio.GpioPinDigitalInput;
import com.pi4j.io.gpio.GpioPin;
import com.pi4j.io.gpio.Pin;
import com.pi4j.io.gpio.PinState;
import com.pi4j.io.gpio.RaspiPin;
import com.pi4j.io.gpio.PinPullResistance;

public class TestDistance
{

    public static void main(String args[]){
        final GpioController gpio = GpioFactory.getInstance();

        //range sensor pins
        GpioPinDigitalOutput sensor_trigger = gpio.provisionDigitalOutputPin(RaspiPin.GPIO_28, 
                "Sensor Trigger", PinState.LOW);

        GpioPinDigitalInput sensor_echo = gpio.provisionDigitalInputPin(RaspiPin.GPIO_25, 
                "Sensor Echo", PinPullResistance.PULL_DOWN);

        // Create the range sensor
        Distance rangesensor = new Distance(sensor_trigger, sensor_echo);
        int i = 0;
        do {
            i++;
            // Get the range
            double distance = rangesensor.getDistCM();
            
            System.out.println("RangeSensorresult =" + distance + "cm");
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }

        } while (i < 1000);
        

        gpio.unprovisionPin(gpio.getProvisionedPins().toArray(new GpioPin[]{sensor_trigger, sensor_echo}));
        
    }
}

Von sfambach

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