PowerHandler.java

package org.yamcs.simulator.launchland;

import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.Vector;

import org.yamcs.simulator.CCSDSPacket;

class PowerHandler {
	private final static String csvName = "test_data/power.csv";

	private Vector<PowerData> entries;
	private int currentEntry = 0;

	public PowerHandler() {
		entries = new Vector<>(100, 100);
		try (BufferedReader in = new BufferedReader(new FileReader(csvName))) {
			String line;
			in.readLine(); // skip column titles

			while ((line = in.readLine()) != null) {
				line = line.replace(',', '.'); // compatible to decimals with comma (e.g. 1,23)
				String[] parts = line.split(";");
							
				PowerData entry = new PowerData();

				entry.timestamp = new Float(parts[0]).floatValue();
				entry.busStatus = new Integer(parts[1]).intValue();
				entry.busVoltage = new Float(parts[2]).floatValue();
				entry.busCurrent = new Float(parts[3]).floatValue();
				entry.systemCurrent = new Float(parts[4]).floatValue();

				entry.batteryVoltage1 = new Float(parts[5]).floatValue();
				entry.batteryTemp1 = new Float(parts[6]).floatValue();
				entry.batteryCapacity1 = new Float(parts[7]).floatValue();

				entry.batteryVoltage2 = new Float(parts[8]).floatValue();
				entry.batteryTemp2 = new Float(parts[9]).floatValue();
				entry.batteryCapacity2 = new Float(parts[10]).floatValue();

				entry.batteryVoltage3 = new Float(parts[11]).floatValue();
				entry.batteryTemp3 = new Float(parts[12]).floatValue();
				//entry.batteryCapacity3 = new Float(parts[13]).floatValue();
				
				entries.add(entry);
			}
		} catch (IOException e) {
			System.out.println(e);
		}
		System.out.println("have "+entries.size()+" power data records");
	}

    public void fillPacket(CCSDSPacket packet) {
        if (entries.isEmpty())
            return;

        if (currentEntry >= entries.size()) {
            currentEntry = 0;
        }

        PowerData entry = entries.elementAt(currentEntry++);
        entry.fillPacket(packet, 0);
    }

    public void setBattOneOff(CCSDSPacket packet) {
        ByteBuffer buffer = packet.getUserDataBuffer();
        buffer.put(3, (byte) 0);
        buffer.put(4, (byte) 0);
        buffer.putShort(5, (short) 0);
    }

    public void setBattTwoOff(CCSDSPacket packet) {
        ByteBuffer buffer = packet.getUserDataBuffer();
        buffer.put(7, (byte) 0);
        buffer.put(8, (byte) 0);
        buffer.putShort(9, (short) 0);
    }

    public void setBattThreeOff(CCSDSPacket packet) {
        ByteBuffer buffer = packet.getUserDataBuffer();
        buffer.put(11, (byte) 0);
        buffer.put(12, (byte) 0);
        buffer.putShort(13, (short) 0);
    }

    public void displayUserData(CCSDSPacket packet) {
        ByteBuffer buffer = packet.getUserDataBuffer();
        buffer.position(16);

        for (int i = 0; i < buffer.capacity(); i++) {
            System.out.print(buffer.get(i) + " : ");
        }
        System.out.print(" \n ");
    }
}