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Java GpioUtil.export方法代码示例

本文整理汇总了Java中com.pi4j.wiringpi.GpioUtil.export方法的典型用法代码示例。如果您正苦于以下问题：Java GpioUtil.export方法的具体用法？Java GpioUtil.export怎么用？Java GpioUtil.export使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类com.pi4j.wiringpi.GpioUtil的用法示例。


在下文中一共展示了GpioUtil.export方法的8个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: main

import com.pi4j.wiringpi.GpioUtil; //导入方法依赖的package包/类
public static void main(String[] args) throws PlatformAlreadyAssignedException {

        // Default platform is Raspberry -> Explicit assign the target platform
        // TODO : Use PI4J_PLATFORM env variable ??
        PlatformManager.setPlatform(Platform.ODROID);

        // PI4J Init
        if (Gpio.wiringPiSetup() == -1) {
            log.error(" ==>> GPIO SETUP FAILED");
            return;
        }

        // GPIO 1 init as Output
        GpioUtil.export(1, GpioUtil.DIRECTION_OUT);
        Gpio.pinMode (1, Gpio.OUTPUT) ;
        // Force low state for GPIO 1
        Gpio.digitalWrite(1, Gpio.LOW);

        // Vertx event timer
        Vertx.vertx().setPeriodic(1000, l -> {
            // Blink led every seconds
            if (Gpio.digitalRead(1) != Gpio.LOW) {
                log.info("Switch off ...");
                Gpio.digitalWrite(1, Gpio.LOW);
            }
            else {
                log.info("Switch on ...");
                Gpio.digitalWrite(1, Gpio.HIGH);
            }
        });

    }
开发者ID:lhuet，项目名称:vertxOnRpiAndOdroid，代码行数:33，代码来源:VertxHelloWorld.java

示例2: WiringPiDigitalOutputDevice

import com.pi4j.wiringpi.GpioUtil; //导入方法依赖的package包/类
WiringPiDigitalOutputDevice(String key, DeviceFactoryInterface deviceFactory, int gpio, boolean initialValue) throws RuntimeIOException {
	super(key, deviceFactory);
	
	this.gpio = gpio;
	try {
		if (GpioUtil.isExported(gpio)) {
			GpioUtil.setDirection(gpio, initialValue ? GpioUtil.DIRECTION_HIGH : GpioUtil.DIRECTION_LOW);
		} else {
			GpioUtil.export(gpio, initialValue ? GpioUtil.DIRECTION_HIGH : GpioUtil.DIRECTION_LOW);
		}
		Gpio.pinMode(gpio, Gpio.OUTPUT);
	} catch (RuntimeException re) {
		throw new RuntimeIOException(re);
	}
}
开发者ID:mattjlewis，项目名称:diozero，代码行数:16，代码来源:WiringPiDigitalOutputDevice.java

示例3: WiringPiPwmOutputDevice

import com.pi4j.wiringpi.GpioUtil; //导入方法依赖的package包/类
WiringPiPwmOutputDevice(String key, DeviceFactoryInterface deviceFactory, PwmType pwmType,
		int range, int gpio, float initialValue) throws RuntimeIOException {
	super(key, deviceFactory);
	
	this.pwmType = pwmType;
	this.gpio = gpio;
	this.value = initialValue;
	this.range = range;
	
	switch (pwmType) {
	case HARDWARE:
		if (GpioUtil.isExported(gpio)) {
			GpioUtil.setDirection(gpio, GpioUtil.DIRECTION_OUT);
		} else {
			GpioUtil.export(gpio, GpioUtil.DIRECTION_OUT);
		}
		Gpio.pinMode(gpio, Gpio.PWM_OUTPUT);
		// Have to call this after setting the pin mode! Yuck
		Gpio.pwmSetMode(Gpio.PWM_MODE_MS);
		Gpio.pwmWrite(gpio, Math.round(initialValue * range));
		break;
	case SOFTWARE:
		int status = SoftPwm.softPwmCreate(gpio, Math.round(initialValue * range), range);
		if (status != 0) {
			throw new RuntimeIOException("Error setting up software controlled PWM GPIO on BCM pin " +
					gpio + ", status=" + status);
		}
		break;
	}
}
开发者ID:mattjlewis，项目名称:diozero，代码行数:31，代码来源:WiringPiPwmOutputDevice.java

示例4: main

import com.pi4j.wiringpi.GpioUtil; //导入方法依赖的package包/类
public static void main(String[] args) {
	if (args.length < 1) {
		System.out.println("Usage: " + WiringPiRawPerfTest.class.getName() + " <pin-number> [<iterations>]");
		System.exit(1);
	}
	
	final int pin = Integer.parseInt(args[0]);
	final int iterations = args.length > 1 ? Integer.parseInt(args[1]) : DEFAULT_ITERATIONS;
	
	Gpio.wiringPiSetupGpio();
	if (GpioUtil.isExported(pin)) {
		GpioUtil.setDirection(pin, GpioUtil.DIRECTION_OUT);
	} else {
		GpioUtil.export(pin, GpioUtil.DIRECTION_OUT);
	}
	Gpio.pinMode(pin, Gpio.OUTPUT);

	for (int j=0; j<5; j++) {
		long start_nano = System.nanoTime();
		for (int i=0; i<iterations; i++) {
			Gpio.digitalWrite(pin, true);
			Gpio.digitalWrite(pin, false);
		}
		long duration_ns = (System.nanoTime() - start_nano);
		System.out.format("Duration for %d iterations: %.4fs%n",
				Integer.valueOf(iterations), Float.valueOf(((float)duration_ns) / 1000 / 1000 / 1000));
	}
	
	GpioUtil.unexport(pin);
}
开发者ID:mattjlewis，项目名称:diozero，代码行数:31，代码来源:WiringPiRawPerfTest.java

示例5: main

import com.pi4j.wiringpi.GpioUtil; //导入方法依赖的package包/类
public static void main(String args[]) throws InterruptedException {
    int pin;
    int dataPtr;
    int l, s, d;

    System.out.println("<--Pi4J--> GPIO test program");

    // setup wiringPi
    if (Gpio.wiringPiSetup() == -1) {
        System.out.println(" ==>> GPIO SETUP FAILED");
        return;
    }

    // set GPIO 4 as the input trigger
    GpioUtil.export(7, GpioUtil.DIRECTION_IN);
    GpioUtil.setEdgeDetection(7, GpioUtil.EDGE_BOTH);
    Gpio.pinMode (7, Gpio.INPUT) ;
    Gpio.pullUpDnControl(7, Gpio.PUD_DOWN);

    // set all other GPIO as outputs
    for (pin = 0; pin < 7; ++pin) {
        // export all the GPIO pins that we will be using
        GpioUtil.export(pin, GpioUtil.DIRECTION_OUT);
        Gpio.pinMode(pin, Gpio.OUTPUT);
    }

    dataPtr = 0;
    while (true) {
        l = data[dataPtr++]; // LED
        s = data[dataPtr++]; // State
        d = data[dataPtr++]; // Duration (10ths)

        if ((l + s + d) == 27) {
            dataPtr = 0;
            continue;
        }

        Gpio.digitalWrite(l, s);

        if (Gpio.digitalRead(7) == 1) // Pressed as our switch shorts to ground
            Gpio.delay(d * 10); // Faster!
        else
            Gpio.delay(d * 100);
    }
}
开发者ID:uwigem，项目名称:uwigem2017，代码行数:46，代码来源:WiringPiGpioExample.java

示例6: main

import com.pi4j.wiringpi.GpioUtil; //导入方法依赖的package包/类
public static void main(String args[]) throws InterruptedException {

        System.out.println("<--Pi4J--> GPIO INTERRUPT test program");

        // create and add GPIO listener
        GpioInterrupt.addListener(new GpioInterruptListener() {
            @Override
            public void pinStateChange(GpioInterruptEvent event) {
                System.out.println("Raspberry Pi PIN [" + event.getPin() +"] is in STATE [" + event.getState() + "]");

                if(event.getPin() == 7) {
                    Gpio.digitalWrite(6, event.getStateValue());
                }
                if(event.getPin() == 0) {
                    Gpio.digitalWrite(5, event.getStateValue());
                }
            }
        });

        // setup wiring pi
        if (Gpio.wiringPiSetup() == -1) {
            System.out.println(" ==>> GPIO SETUP FAILED");
            return;
        }

        // export all the GPIO pins that we will be using
        GpioUtil.export(0, GpioUtil.DIRECTION_IN);
        GpioUtil.export(7, GpioUtil.DIRECTION_IN);
        GpioUtil.export(5, GpioUtil.DIRECTION_OUT);
        GpioUtil.export(6, GpioUtil.DIRECTION_OUT);

        // set the edge state on the pins we will be listening for
        GpioUtil.setEdgeDetection(0, GpioUtil.EDGE_BOTH);
        GpioUtil.setEdgeDetection(7, GpioUtil.EDGE_BOTH);

        // configure GPIO pins 5, 6 as an OUTPUT;
        Gpio.pinMode(5, Gpio.OUTPUT);
        Gpio.pinMode(6, Gpio.OUTPUT);

        // configure GPIO 0 as an INPUT pin; enable it for callbacks
        Gpio.pinMode(0, Gpio.INPUT);
        Gpio.pullUpDnControl(0, Gpio.PUD_DOWN);
        GpioInterrupt.enablePinStateChangeCallback(0);

        // configure GPIO 7 as an INPUT pin; enable it for callbacks
        Gpio.pinMode(7, Gpio.INPUT);
        Gpio.pullUpDnControl(7, Gpio.PUD_DOWN);
        GpioInterrupt.enablePinStateChangeCallback(7);

        // continuously loop to prevent program from exiting
        while (true) {
            Thread.sleep(5000);
        }
    }
开发者ID:uwigem，项目名称:uwigem2017，代码行数:55，代码来源:WiringPiGpioInterruptExample.java

示例7: main

import com.pi4j.wiringpi.GpioUtil; //导入方法依赖的package包/类
public static void main(String args[]) throws InterruptedException {
    int pin;
    int dataPtr;
    int l, s, d;
    
    System.out.println("<--Pi4J--> GPIO test program");

    // setup wiringPi
    if (Gpio.wiringPiSetup() == -1) {
        System.out.println(" ==>> GPIO SETUP FAILED");
        return;
    }

    // set GPIO 4 as the input trigger 
    GpioUtil.export(7, GpioUtil.DIRECTION_IN);
    GpioUtil.setEdgeDetection(7, GpioUtil.EDGE_BOTH);
    Gpio.pinMode (7, Gpio.INPUT) ;  
    Gpio.pullUpDnControl(7, Gpio.PUD_DOWN);        

    // set all other GPIO as outputs
    for (pin = 0; pin < 7; ++pin) {
        // export all the GPIO pins that we will be using
        GpioUtil.export(pin, GpioUtil.DIRECTION_OUT);            
        Gpio.pinMode(pin, Gpio.OUTPUT);
    }
    
    dataPtr = 0;
    for (;;) {
        l = data[dataPtr++]; // LED
        s = data[dataPtr++]; // State
        d = data[dataPtr++]; // Duration (10ths)

        if ((l + s + d) == 27) {
            dataPtr = 0;
            continue;
        }

        Gpio.digitalWrite(l, s);
        
        if (Gpio.digitalRead(7) == 1) // Pressed as our switch shorts to ground
            Gpio.delay(d * 10); // Faster!
        else
            Gpio.delay(d * 100);
    }
}
开发者ID:iot-labs，项目名称:communication，代码行数:46，代码来源:WiringPiGpioExample.java

示例8: main

import com.pi4j.wiringpi.GpioUtil; //导入方法依赖的package包/类
public static void main(String args[]) throws InterruptedException {
    
    System.out.println("<--Pi4J--> GPIO INTERRUPT test program");
    
    // create and add GPIO listener 
    GpioInterrupt.addListener(new GpioInterruptListener() {
        @Override
        public void pinStateChange(GpioInterruptEvent event) {
            System.out.println("Raspberry Pi PIN [" + event.getPin() +"] is in STATE [" + event.getState() + "]");
            
            if(event.getPin() == 7) {
                Gpio.digitalWrite(6, event.getStateValue());
            }
            if(event.getPin() == 0) {
                Gpio.digitalWrite(5, event.getStateValue());
            }
        }
    });
    
    // setup wiring pi
    if (Gpio.wiringPiSetup() == -1) {
        System.out.println(" ==>> GPIO SETUP FAILED");
        return;
    }

    // export all the GPIO pins that we will be using
    GpioUtil.export(0, GpioUtil.DIRECTION_IN);
    GpioUtil.export(7, GpioUtil.DIRECTION_IN);
    GpioUtil.export(5, GpioUtil.DIRECTION_OUT);
    GpioUtil.export(6, GpioUtil.DIRECTION_OUT);
    
    // set the edge state on the pins we will be listening for
    GpioUtil.setEdgeDetection(0, GpioUtil.EDGE_BOTH);
    GpioUtil.setEdgeDetection(7, GpioUtil.EDGE_BOTH);
    
    // configure GPIO pins 5, 6 as an OUTPUT;
    Gpio.pinMode(5, Gpio.OUTPUT);
    Gpio.pinMode(6, Gpio.OUTPUT);

    // configure GPIO 0 as an INPUT pin; enable it for callbacks
    Gpio.pinMode(0, Gpio.INPUT);
    Gpio.pullUpDnControl(0, Gpio.PUD_DOWN);        
    GpioInterrupt.enablePinStateChangeCallback(0);
    
    // configure GPIO 7 as an INPUT pin; enable it for callbacks
    Gpio.pinMode(7, Gpio.INPUT);
    Gpio.pullUpDnControl(7, Gpio.PUD_DOWN);        
    GpioInterrupt.enablePinStateChangeCallback(7);

    // continuously loop to prevent program from exiting
    for (;;) {
        Thread.sleep(5000);
    }
}
开发者ID:iot-labs，项目名称:communication，代码行数:55，代码来源:WiringPiGpioInterruptExample.java


注：本文中的com.pi4j.wiringpi.GpioUtil.export方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。