android: AndrOBD library vendored (no submodule, no git link)

android/library/com/fr3ts0n/ecu/ObdPid.java

@@ -0,0 +1,78 @@
+package com.fr3ts0n.ecu;
+
+import java.util.Comparator;
+
+/**
+ * OBD PID definition
+ * - Allow prioritization of PID requests by providing:
+ *   - timestamp (ms) of next expected request
+ *   - sort algorithm by request timestamp for PID Collections
+ */
+public class ObdPid
+    extends Number
+{
+    /** The PID value itself */
+    private final int pid;
+    /** Timestamp (system ms) for next expected data request */
+    private long nextRequest_ms = 0;
+
+    public ObdPid(int pidCode)
+    {
+        pid = pidCode;
+    }
+
+    @Override
+    public double doubleValue() {
+        return (double)pid;
+    }
+
+    @Override
+    public float floatValue() {
+        return (float)pid;
+    }
+
+    @Override
+    public int intValue() {
+        return pid;
+    }
+
+    @Override
+    public long longValue() {
+        return (long)pid;
+    }
+
+    @Override
+    public String toString() {
+        return Integer.toString(pid, 16);
+    }
+
+    /**
+     * Set timestamp of next expected PID request
+     * @param _nextRequest Timestamp [ms] of next expected request
+     */
+    public void setNextRequest(long _nextRequest)
+    {
+        nextRequest_ms = _nextRequest;
+    }
+
+    /**
+     * Get timestamp of next expected PID request
+     * @return Timestamp of next expected PID request
+     */
+    public long getNextRequest()
+    {
+        return nextRequest_ms;
+    }
+
+    /**
+     * Comparator to allow list / vector sorting by next request
+     */
+    public static Comparator<ObdPid> requestSorter = new Comparator<ObdPid>()
+    {
+        @Override
+        public int compare(ObdPid arg0, ObdPid arg1)
+        {
+            return Long.compare(arg0.nextRequest_ms, arg1.nextRequest_ms);
+        }
+    };
+}