Initial project commit

lib/nightscout/com/eveningoutpost/dexdrip/G5Model/SessionStopRxMessage.java

@@ -0,0 +1,61 @@
+package com.eveningoutpost.dexdrip.G5Model;
+
+import java.nio.ByteBuffer;
+import java.nio.ByteOrder;
+
+import lombok.Getter;
+
+// created by jamorham
+
+public class SessionStopRxMessage extends BaseMessage {
+
+    public static final byte opcode = 0x29;
+    final byte length = 17;
+    @Getter
+    private byte status = (byte)0xFF;
+    private byte received = (byte)0xFF;
+    final String transmitterId;
+    int sessionStartTime=0;
+    int sessionStopTime =0;
+    int transitterTime=0;
+    boolean valid = false;
+
+    public SessionStopRxMessage(byte[] packet,String transmitterId) {
+        this.transmitterId = transmitterId;
+        if (packet.length == length) {
+            data = ByteBuffer.wrap(packet).order(ByteOrder.LITTLE_ENDIAN);
+            if ((data.get() == opcode) && checkCRC(packet)) {
+                valid = true;
+                status = data.get();
+                received = data.get();
+                sessionStopTime = data.getInt();
+                sessionStartTime = data.getInt();
+                transitterTime = data.getInt();
+
+            }
+        }
+    }
+
+    boolean isValid() {
+        return valid;
+    }
+
+    boolean isOkay() {
+        return isValid() && status == 0x00;
+    }
+
+    long getSessionStart() {
+        if (isOkay() && sessionStartTime > 0) {
+            return DexTimeKeeper.fromDexTime(transmitterId, sessionStartTime);
+        } else {
+            return 0;
+        }
+    }
+    long getSessionStop() {
+        if (isOkay() && sessionStopTime > 0) {
+            return DexTimeKeeper.fromDexTime(transmitterId, sessionStopTime);
+        } else {
+            return 0;
+        }
+    }
+}