IoT with Java 8 and TinkerForge – 004

1public class PTC implements Runnable {
2 
3    private String UID;
4    private ObservableList seriesData;
5    private SevenSegment sevenSegment = new SevenSegment("iW3");
6 
7    public PTC(final String UID, final XYChart.Series series) {
8        this.UID = UID;
9        this.seriesData = series.getData();
10    }
11 
12    @Override
13    public void run() {
14        IPConnection ipcon = new IPConnection();
15        BrickletPTC ptc = new BrickletPTC(UID, ipcon);
16        try {
17            ipcon.connect(Localhost.HOST, Localhost.PORT);
18            ptc.setTemperatureCallbackPeriod(1000);
19            ptc.addTemperatureListener(
20              new BrickletPTC.TemperatureListener() {
21                @Override
22                public void temperature(int temperature) {
23                    //schreibe temp in 7Seg
24                    final double celcius = temperature / 100.0;
25                    System.out.println("celcius = " + celcius);
26 
27                    Platform.runLater(()->{
28                        final XYChart.Data data 
29                            = new XYChart.Data(new Date(), celcius);
30                        seriesData.add(data);
31                    });
32                    sevenSegment.printValue(celcius);
33 
34                }
35            });
36        } catch (IOException 
37            | AlreadyConnectedException 
38            | TimeoutException 
39            | NotConnectedException e) {
40            e.printStackTrace();
41        }
42    }
43}

1public class SevenSegment {
2 
3    private String UID;
4    private BrickletSegmentDisplay4x7 sevenSegment;
5    private DecimalFormat myFormatter = new DecimalFormat("0000");
6 
7    private static final byte[] digits = {0x3f,0x06,0x5b,0x4f,
8            0x66,0x6d,0x7d,0x07,
9            0x7f,0x6f,0x77,0x7c,
10            0x39,0x5e,0x79,0x71}; // 0~9,A,b,C,d,E,F
11 
12    public SevenSegment(String UID) {
13        this.UID = UID;
14        final IPConnection ipcon = new IPConnection();
15        sevenSegment = new BrickletSegmentDisplay4x7(UID, ipcon);
16        try {
17            ipcon.connect(Localhost.HOST, Localhost.PORT);
18 
19            short[] segments = {digits[4], 
20                digits[2], digits[2], digits[3]};
21            sevenSegment.setSegments(segments, (short)7, false);
22 
23        } catch (IOException 
24            | AlreadyConnectedException 
25            | NotConnectedException 
26            | TimeoutException e) {
27            e.printStackTrace();
28        }
29    }
30 
31 
32    public void printValue(final Double value){
33        int intValue = value.intValue();
34        final char[] chars = myFormatter.format(intValue).toCharArray();
35        System.out.println(chars);
36 
37        final int aChar = chars[0];
38        final byte d1 = digits[aChar-48];
39        final byte d2 = digits[chars[1]-48];
40        final byte d3 = digits[chars[2]-48];
41        final byte d4 = digits[chars[3]-48];
42        short[] segments = {d1, d2, d3, d4};
43        try {
44            sevenSegment.setSegments(   segments   ,(short)7, false);
45        } catch (TimeoutException 
46                    | NotConnectedException e) {
47            e.printStackTrace();
48        }
49    }
50 
51}

1public class PTCMaster extends Application {
2 
3    public static XYChart.Series seriesTemp = new XYChart.Series();
4 
5    public static void main(String args[]) throws Exception {
6        launch(args);
7    }
8 
9    @Override
10    public void start(Stage stage) {
11        stage.setTitle("Line Chart TinkerForge Sample");
12 
13        final VBox box = new VBox();
14        seriesTemp.setName("Temp");
15        final ObservableList boxChildren = box.getChildren();
16        boxChildren.add(createLineChart("Temp", seriesTemp));
17        Scene scene = new Scene(box);
18 
19        stage.setScene(scene);
20        stage.show();
21        Platform.runLater(new PTC("i2J", seriesTemp));
22 
23    }
24 
25    private LineChart createLineChart(final String chartName,
26        final XYChart.Series series ){
27        final DateAxis dateAxis = new DateAxis();
28        dateAxis.setLabel("Time");
29        final NumberAxis yAxis = new NumberAxis();
30 
31        final LineChart lineChart 
32            = new LineChart<>(dateAxis, yAxis);
33        lineChart.setTitle(chartName);
34        lineChart.getData().add(series);
35 
36        return lineChart;
37    }
38 
39}