Java interface using the shell to collect and visualize sensor values from Sky nodes

examples/sky-shell/src/se/sics/contiki/collect/SensorData.java

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+/*
+ * Copyright (c) 2008, Swedish Institute of Computer Science.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the Institute nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id: SensorData.java,v 1.1 2008/07/09 23:18:06 nifi Exp $
+ *
+ * -----------------------------------------------------------------
+ *
+ * SensorData
+ *
+ * Authors : Joakim Eriksson, Niclas Finne
+ * Created : 3 jul 2008
+ * Updated : $Date: 2008/07/09 23:18:06 $
+ *           $Revision: 1.1 $
+ */
+
+package se.sics.contiki.collect;
+
+
+/**
+ *
+ */
+public class SensorData {
+
+  public static final int TICKS_PER_SECOND = 4096;
+  private static final double VOLTAGE = 3;
+  private static final double POWER_CPU = 1.800 * VOLTAGE; /* mW */
+  private static final double POWER_LPM = 0.0545 * VOLTAGE; /* mW */
+  private static final double POWER_TRANSMIT = 17.7 * VOLTAGE; /* mW */
+  private static final double POWER_LISTEN = 20.0 * VOLTAGE; /* mW */
+
+  public static final int DATA_LEN = 0;
+  public static final int TIMESTAMP1 = 1;
+  public static final int TIMESTAMP2 = 2;
+  public static final int TIMESYNCTIMESTAMP = 3;
+  public static final int NODE_ID = 4;
+  public static final int SEQNO = 5;
+  public static final int HOPS = 6;
+  public static final int LATENCY = 7;
+  public static final int DATA_LEN2 = 8;
+  public static final int CLOCK = 9;
+  public static final int TIMESYNCHTIME = 10;
+  public static final int LIGHT1 = 11;
+  public static final int LIGHT2 = 12;
+  public static final int TEMPERATURE = 13;
+  public static final int HUMIDITY = 14;
+  public static final int RSSI = 15;
+  public static final int TIME_CPU = 16;
+  public static final int TIME_LPM = 17;
+  public static final int TIME_TRANSMIT = 18;
+  public static final int TIME_LISTEN = 19;
+  public static final int BEST_NEIGHBOR = 20;
+  public static final int BEST_NEIGHBOR_ETX = 21;
+  public static final int BEST_NEIGHBOR_RTMETRIC = 22;
+
+  public static final int VALUES_COUNT = 23;
+
+  private final Node node;
+  private final int[] values;
+  private final long time;
+
+  public SensorData(Node node, int[] values) {
+    this.node = node;
+    this.values = values;
+    this.time = ((values[TIMESTAMP1] << 16) + values[TIMESTAMP2]) * 1000;
+  }
+
+  public Node getNode() {
+    return node;
+  }
+
+  public String getNodeID() {
+    return node.getID();
+  }
+
+  public int getValue(int index) {
+    return values[index];
+  }
+
+  public long getTime() {
+    return time;
+  }
+
+  public String toString() {
+    StringBuilder sb = new StringBuilder();
+    for (int i = 0, n = values.length; i < n; i++) {
+      if (i > 0) sb.append(' ');
+      sb.append(values[i]);
+    }
+    return sb.toString();
+  }
+
+  public static SensorData parseSensorData(CollectServer server, String line) {
+    String[] components = line.split(" ");
+    if (components.length != SensorData.VALUES_COUNT) {
+      return null;
+    }
+    // Sensor data line (probably)
+    int[] data = parseToInt(components);
+    if (data == null || data[0] != VALUES_COUNT) {
+      System.err.println("Failed to parse data line: '" + line + "'");
+      return null;
+    }
+    String nodeID = mapNodeID(data[NODE_ID]);
+    Node node = server.addNode(nodeID);
+    return new SensorData(node, data);
+  }
+
+  public static String mapNodeID(int nodeID) {
+    return "" + (nodeID & 0xff) + '.' + ((nodeID >> 8) & 0xff);
+  }
+
+  private static int[] parseToInt(String[] text) {
+    try {
+      int[] data = new int[text.length];
+      for (int i = 0, n = data.length; i < n; i++) {
+        data[i] = Integer.parseInt(text[i]);
+      }
+      return data;
+    } catch (NumberFormatException e) {
+      return null;
+    }
+  }
+
+  public double getCPUPower() {
+    return (values[TIME_CPU] * POWER_CPU) / (values[TIME_CPU] + values[TIME_LPM]);
+  }
+
+  public double getLPMPower() {
+    return (values[TIME_LPM] * POWER_LPM) / (values[TIME_CPU] + values[TIME_LPM]);
+  }
+
+  public double getListenPower() {
+    return (values[TIME_LISTEN] * POWER_LISTEN) / (values[TIME_CPU] + values[TIME_LPM]);
+  }
+
+  public double getTransmitPower() {
+    return (values[TIME_TRANSMIT] * POWER_TRANSMIT) / (values[TIME_CPU] + values[TIME_LPM]);
+  }
+
+  public double getAveragePower() {
+    return (values[TIME_CPU] * POWER_CPU + values[TIME_LPM] * POWER_LPM
+    + values[TIME_LISTEN] * POWER_LISTEN + values[TIME_TRANSMIT] * POWER_TRANSMIT)
+    / (values[TIME_CPU] + values[TIME_LPM]);
+  }
+
+  public long getPowerMeasureTime() {
+    return (1000 * (values[TIME_CPU] + values[TIME_LPM])) / TICKS_PER_SECOND;
+  }
+
+  public double getTemperature() {
+    return -39.6 + 0.01 * values[TEMPERATURE];
+  }
+
+  public double getLatency() {
+    return values[LATENCY] / 4096.0;
+  }
+
+  public double getHumidity() {
+//    double v = values[HUMIDITY];
+//    double humidity = -4.0 + 0.0405 * v + -0.0000028 * v * v;
+//    // Correct humidity using temperature compensation
+//    return (getTemperature() - 25) * (0.01 + 0.00008*v + humidity);
+    return -4.0 + 405.0 * values[HUMIDITY] / 10000.0;
+  }
+
+  public double getLight1() {
+//    double v = (values[LIGHT1] * VOLTAGE) / 4096.0;
+//    return 0.625 * 1000000 * v * 10;
+    return 10.0 * values[LIGHT1] / 7.0;
+  }
+
+  public double getLight2() {
+    return 46.0 * values[LIGHT2] / 10.0;
+  }
+
+  public String getBestNeighborID() {
+    return values[BEST_NEIGHBOR] > 0 ? mapNodeID(values[BEST_NEIGHBOR]): null;
+  }
+
+  public double getBestNeighborETX() {
+    return values[BEST_NEIGHBOR_ETX] / 16.0;
+  }
+
+}