학원 46일차 복습(5/23)

이론

http://gluonhq.com/products/mobile/javafxports/get/ 맨 밑에꺼 다운로드

unzip armv6hf-sdk-8.60.9.zip

http://docs.gluonhq.com/javafxports/#anchor-1 참고

> cd armv6hf-sdk/

> cd rt

> cd lib/

> sudo cp ext/jfxrt.jar /usr/lib/jvm/jdk-8-oracle-arm32-vfp-hflt/jre/lib/ext/

> sudo cp arm/* /usr/lib/jvm/jdk-8-oracle-arm32-vfp-hflt/jre/lib/arm/

> sudo cp javafx.platform.properties /usr/lib/jvm/jdk-8-oracle-arm32-vfp-hflt/jre/lib/

> sudo cp javafx.properties /usr/lib/jvm/jdk-8-oracle-arm32-vfp-hflt/jre/lib/

> sudo cp jfxswt.jar /usr/lib/jvm/jdk-8-oracle-arm32-vfp-hflt/jre/lib/

-라즈베리의 dio.jar 파일을 netbeans의 libraries에 넣어준다

자바FX 프로젝트 빌드후 dist안의 파일 복사후 라즈베리에서

> sudo java -jar testpi.jar 

java ME doc

https://wiki.openjdk.java.net/display/dio/Main  

-mercurial (Git같은 것,  소프트웨어 개발을 위한 크로스-플랫폼 분산 버전 관리 도구)

> sudo apt-get install mercurial

> hg clone http://hg.openjdk.java.net/dio/dev

> ls (dev 확인)

> cd dev

> export PI_TOOLS=/usr

> export JAVA_HOME=

> export JAVA_HOME=/usr/lib/jvm/jdk-8-oracle-arm32-vfp-hflt/

> make

> ls -l (build 확인)

> cd deviceio/lib/

>  sudo cp arm/libdio.so /usr/lib/jvm/jdk-8-oracle-arm32-vfp-hflt/jre/lib/arm/

>  sudo cp ext/dio.jar /usr/lib/jvm/jdk-8-oracle-arm32-vfp-hflt/jre/lib/ext/

 sudo nano /usr/lib/jvm/jdk-8-oracle-arm32-vfp-hflt/jre/lib/security/java.policy

permission jdk.dio.DeviceMgmtPermission "*:*", "open";

permission jdk.dio.gpio.GPIOPinPermission "*:*", "open,setdirection";

permission jdk.dio.gpio.GPIOPortPermission "*:*";

permission jdk.dio.i2cbus.I2CPermission "*:*";

permission jdk.dio.spi.SPIPermission "*:*";

permission jdk.dio.spibus.SPIPermission "*:*";

permission jdk.dio.uart.UARTPermission "*:*", "open";

추가하기

fritzing : 회로도 그리는 툴

http://fritzing.org/download/?donation=0 에서 windows 64bit 다운로드

실습

FXMLDocumentController.java

package testpi; import java.io.IOException; import java.net.URL; import java.util.ResourceBundle; import java.util.logging.Level; import java.util.logging.Logger; import javafx.application.Platform; import javafx.event.ActionEvent; import javafx.fxml.FXML; import javafx.fxml.Initializable; import javafx.scene.control.Button; import javafx.scene.control.Label; import javafx.scene.control.ToggleButton; public class FXMLDocumentController implements Initializable { @FXML private Label label; @FXML private Button btnExit; @FXML private ToggleButton btnLED; private static Led led; @FXML private void handleButtonAction(ActionEvent event) { Platform.exit(); } @FXML private void onActionBtnLED(ActionEvent event) { try { if (btnLED.isSelected()) { label.setText("LED On!"); led.on(); } else { label.setText("LED Off!"); led.off(); } } catch (IOException ex) { ex.printStackTrace(); } } @Override public void initialize(URL url, ResourceBundle rb) { // TODO if (led == null) { try { led = new Led(27); btnLED.setSelected(led.isOn()); } catch (IOException ex) { System.out.println("핀을 찾을 수 없음"); ex.printStackTrace(); } Runtime.getRuntime().addShutdownHook(new Thread() { @Override public void run() { try { led.close(); } catch (IOException ex) { ex.printStackTrace(); } } }); } } }

LED.java

package testpi; import java.io.IOException; import jdk.dio.ClosedDeviceException; import jdk.dio.DeviceManager; import jdk.dio.UnavailableDeviceException; import jdk.dio.gpio.GPIOPin; import jdk.dio.gpio.GPIOPinConfig; public class Led { private GPIOPin gpioPin; public Led(int inNum) throws IOException { gpioPin = DeviceManager.open(new GPIOPinConfig.Builder() .setPinNumber(inNum) .setDirection(GPIOPinConfig.DIR_OUTPUT_ONLY) .build() ); } public void on() throws UnavailableDeviceException, ClosedDeviceException, IOException { gpioPin.setValue(true); } public boolean isOn() throws UnavailableDeviceException, ClosedDeviceException, IOException { return gpioPin.getValue(); } public void off() throws UnavailableDeviceException, ClosedDeviceException, IOException { gpioPin.setValue(false); } public void close() throws IOException { gpioPin.close(); } }