Initial project commit

2020-07-18 21:44:27 -04:00
parent 8a1141b373
commit fea891a268
127 changed files with 20838 additions and 0 deletions
--- a/lib/nightscout/com/eveningoutpost/dexdrip/G5Model/BackFillStream.java
+++ b/lib/nightscout/com/eveningoutpost/dexdrip/G5Model/BackFillStream.java
@@ -0,0 +1,131 @@
+package com.eveningoutpost.dexdrip.G5Model;
+
+// created by jamorham
+
+import com.eveningoutpost.dexdrip.Models.JoH;
+import com.eveningoutpost.dexdrip.Models.UserError;
+import com.eveningoutpost.dexdrip.UtilityModels.Pref;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+import java.util.LinkedList;
+import java.util.List;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+import static com.eveningoutpost.dexdrip.G5Model.DexTimeKeeper.fromDexTimeCached;
+
+public class BackFillStream extends BaseMessage {
+
+    private int last_sequence = 0;
+
+    BackFillStream() {
+        data = ByteBuffer.allocate(1000);
+        data.order(ByteOrder.LITTLE_ENDIAN);
+    }
+
+    public synchronized void push(byte[] packet) {
+
+        if (packet == null) return;
+        final int this_sequence = (int) packet[0];
+        if (this_sequence == last_sequence + 1) {
+            last_sequence++;
+
+            for (int i = 2; i < packet.length; i++) {
+                if (data.position() < data.limit()) {
+                    data.put(packet[i]);
+                } else {
+                    UserError.Log.wtf(TAG, "Reached limit for backfill stream size");
+                }
+            }
+        } else {
+            UserError.Log.wtf(TAG, "Received backfill packet out of sequence: " + this_sequence + " vs " + (last_sequence + 1));
+        }
+    }
+
+    public List<Backsie> decode() {
+        final List<Backsie> backsies = new LinkedList<>();
+
+        int extent = data.position();
+        data.rewind();
+        final int length = data.getInt();
+        // TODO check length
+        while (data.position() < extent) {
+            final int dexTime = data.getInt();
+            final int glucose = data.getShort();
+            final byte type = data.get();
+            final byte trend = data.get();
+
+            final CalibrationState state = CalibrationState.parse(type);
+
+            switch (state) {
+                case Ok:
+                case NeedsCalibration:
+                    insertBackfillItem(backsies, dexTime, glucose, trend);
+                    break;
+
+                case WarmingUp:
+                    break;
+
+                case Errors:
+                    /* This preference option has never been available outside of unit testing
+                       and can now be removed.
+                    if (Pref.getBooleanDefaultFalse("ob1_g5_use_errored_data")) {
+                        insertBackfillItem(backsies, dexTime, glucose, trend);
+                    }
+                    */
+                    break;
+
+                case InsufficientCalibration:
+                    if (Pref.getBoolean("ob1_g5_use_insufficiently_calibrated", true)) {
+                        insertBackfillItem(backsies, dexTime, glucose, trend);
+                    }
+                    break;
+
+                case NeedsFirstCalibration:
+                case NeedsSecondCalibration:
+                case Unknown:
+                    break;
+
+                default:
+                    UserError.Log.wtf(TAG, "Encountered backfill data we don't recognise: " + type + " " + glucose + " " + trend + " " + " " + JoH.dateTimeText(fromDexTimeCached(dexTime)));
+                    break;
+
+            }
+        }
+        return backsies;
+
+
+    }
+
+    private void insertBackfillItem(List<Backsie> backsies, int dexTime, int glucose, byte trend) {
+        if (dexTime != 0) {
+            backsies.add(new Backsie(glucose, trend, dexTime));
+        }
+    }
+
+    public void enumerate(int size) {
+
+        System.out.println("Size:" + size);
+        byte[] output = data.array();
+        int i = 4;
+        while (i < data.position()) {
+            if ((i - 4) % size == 0) {
+                System.out.println("");
+            }
+            System.out.print(JoH.bytesToHex(new byte[]{output[i]}));
+            i++;
+        }
+        System.out.println("\n");
+    }
+
+    @Data
+    @AllArgsConstructor()
+    public class Backsie {
+        private final int glucose;
+        private final int trend;
+        private final int dextime;
+    }
+
+}