Untitled

import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

import java.io.OutputStream;
import java.io.InputStream;
import java.io.IOException;
import gnu.io.CommPortIdentifier;
import gnu.io.SerialPort;

public class BLHeliUpdater extends Application {

    private static final byte[] firmwareData = new byte[]{
        0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
        // Добавете останалите байтове на фърмуера тук
    };

    private TextField portField;
    private Button updateButton;
    
    public static void main(String[] args) {
        launch(args);
    }

    @Override
    public void start(Stage primaryStage) {
        primaryStage.setTitle("BLHeli 32.10 Updater");

        portField = new TextField();
        portField.setPromptText("Serial Port");

        updateButton = new Button("Update ESC");
        updateButton.setOnAction(e -> updateFirmware());

        VBox vbox = new VBox(10, new Label("Serial Port:"), portField, updateButton);
        vbox.setPadding(new Insets(20));

        Scene scene = new Scene(vbox, 300, 150);
        primaryStage.setScene(scene);
        primaryStage.show();
    }

    private void updateFirmware() {
        String portName = portField.getText();
        if (portName.isEmpty()) {
            showAlert(Alert.AlertType.ERROR, "Input Error", "Please enter a serial port.");
            return;
        }

        SerialPort serialPort = connectToESC(portName);
        if (serialPort == null) {
            return;
        }

        String response = sendCommand(serialPort, "BOOTLOADER");
        if (response.contains("READY")) {
            uploadFirmware(serialPort);
        } else {
            showAlert(Alert.AlertType.ERROR, "Error", "ESC is not ready for update.");
        }

        serialPort.close();
    }

    private SerialPort connectToESC(String portName) {
        try {
            CommPortIdentifier portId = CommPortIdentifier.getPortIdentifier(portName);
            SerialPort serialPort = (SerialPort) portId.open("BLHeliUpdater", 2000);
            serialPort.setSerialPortParams(115200, SerialPort.DATABITS_8, SerialPort.STOPBITS_1, SerialPort.PARITY_NONE);
            return serialPort;
        } catch (Exception e) {
            showAlert(Alert.AlertType.ERROR, "Connection Error", "Failed to connect to " + portName + ": " + e.getMessage());
            return null;
        }
    }

    private void uploadFirmware(SerialPort serialPort) {
        try {
            OutputStream out = serialPort.getOutputStream();
            showAlert(Alert.AlertType.INFORMATION, "Uploading", "Firmware upload started...");

            int blockSize = 64;
            for (int i = 0; i < firmwareData.length; i += blockSize) {
                byte[] block = new byte[Math.min(blockSize, firmwareData.length - i)];
                System.arraycopy(firmwareData, i, block, 0, block.length);
                out.write(block);
                Thread.sleep(50);
            }

            showAlert(Alert.AlertType.INFORMATION, "Success", "Firmware uploaded successfully!");
        } catch (Exception e) {
            showAlert(Alert.AlertType.ERROR, "Upload Error", "Failed to upload firmware: " + e.getMessage());
        }
    }

    private String sendCommand(SerialPort serialPort, String command) {
        try {
            OutputStream out = serialPort.getOutputStream();
            InputStream in = serialPort.getInputStream();
            out.write(command.getBytes());

            Thread.sleep(100);

            byte[] buffer = new byte[in.available()];
            in.read(buffer);
            return new String(buffer);
        } catch (IOException | InterruptedException e) {
            showAlert(Alert.AlertType.ERROR, "Communication Error", "Failed to send command: " + e.getMessage());
            return "";
        }
    }

    private void showAlert(Alert.AlertType alertType, String title, String message) {
        Alert alert = new Alert(alertType);
        alert.setTitle(title);
        alert.setContentText(message);
        alert.showAndWait();
    }
}