DioZero使用指南 #

<dependency>
    <groupId>uk.pigpioj</groupId>
    <artifactId>diozero-core</artifactId>
    <version>1.3.5</version>
</dependency>

package com.example.diozero;

import com.diozero.api.DigitalOutputDevice;
import com.diozero.util.SleepUtil;

public class DigitalOutputExample {

    public static void main(String[] args) {
        try (DigitalOutputDevice led = new DigitalOutputDevice(17)) {
            System.out.println("LED闪烁");
            
            for (int i = 0; i < 10; i++) {
                led.on();
                SleepUtil.sleepSeconds(0.5);
                led.off();
                SleepUtil.sleepSeconds(0.5);
            }
        }
    }
}

package com.example.diozero;

import com.diozero.api.DigitalInputDevice;
import com.diozero.api.GpioPullUpDown;
import com.diozero.api.PinInfo;

public class DigitalInputExample {

    public static void main(String[] args) {
        try (DigitalInputDevice button = new DigitalInputDevice(
                18, GpioPullUpDown.PULL_UP)) {
            
            button.addListener((oldValue, newValue) -> {
                System.out.println("按钮状态: " + newValue);
            });
            
            System.out.println("按钮监听已启动");
            SleepUtil.sleepSeconds(30);
        }
    }
}

package com.example.diozero.sensor;

import com.diozero.devices.BME280;
import com.diozero.util.SleepUtil;

public class BME280Example {

    public static void main(String[] args) {
        try (BME280 bme280 = new BME280()) {
            System.out.println("BME280传感器测试");
            
            while (true) {
                float temperature = bme280.getTemperature();
                float pressure = bme280.getPressure();
                float humidity = bme280.getHumidity();
                
                System.out.printf("温度: %.2f°C, 气压: %.2f hPa, 湿度: %.2f%%%n",
                    temperature, pressure, humidity);
                
                SleepUtil.sleepSeconds(1);
            }
        }
    }
}

package com.example.diozero.sensor;

import com.diozero.devices.HCSR04;
import com.diozero.util.SleepUtil;

public class HCSR04Example {

    public static void main(String[] args) {
        try (HCSR04 hcsr04 = new HCSR04(17, 18)) {
            System.out.println("HC-SR04超声波测距");
            
            while (true) {
                float distance = hcsr04.getDistanceCm();
                System.out.printf("距离: %.2f cm%n", distance);
                SleepUtil.sleepSeconds(1);
            }
        }
    }
}

package com.example.diozero.display;

import com.diozero.devices.Ssd1306;
import com.diozero.util.SleepUtil;

public class OLEDExample {

    public static void main(String[] args) {
        try (Ssd1306 oled = new Ssd1306(128, 64)) {
            oled.clear();
            
            oled.invertDisplay(false);
            oled.setContrast((byte) 0xFF);
            
            oled.setTextXY(0, 0);
            oled.putString("Hello DioZero!");
            
            oled.setTextXY(2, 0);
            oled.putString("Java Embedded");
            
            oled.display();
            
            SleepUtil.sleepSeconds(5);
        }
    }
}

package com.example.diozero.motor;

import com.diozero.devices.Motor;
import com.diozero.util.SleepUtil;

public class MotorExample {

    public static void main(String[] args) {
        try (Motor motor = new Motor(17, 18, 22)) {
            System.out.println("电机控制测试");
            
            System.out.println("正转");
            motor.forward(0.5f);
            SleepUtil.sleepSeconds(2);
            
            System.out.println("停止");
            motor.stop();
            SleepUtil.sleepSeconds(1);
            
            System.out.println("反转");
            motor.backward(0.5f);
            SleepUtil.sleepSeconds(2);
            
            motor.stop();
        }
    }
}

package com.example.diozero.motor;

import com.diozero.devices.Servo;
import com.diozero.util.SleepUtil;

public class ServoExample {

    public static void main(String[] args) {
        try (Servo servo = new Servo(18)) {
            System.out.println("舵机控制测试");
            
            System.out.println("转到0度");
            servo.setAngle(0);
            SleepUtil.sleepSeconds(1);
            
            System.out.println("转到90度");
            servo.setAngle(90);
            SleepUtil.sleepSeconds(1);
            
            System.out.println("转到180度");
            servo.setAngle(180);
            SleepUtil.sleepSeconds(1);
        }
    }
}