330 WIP - updates the demodulator viewer with an eye diagram and symbol

chart.  Testing various configurations to see which yields the best
PLL and symbol timing locks.

src/main/java/io/github/dsheirer/dsp/psk/SymbolDecisionData.java

@@ -0,0 +1,70 @@
+/*******************************************************************************
+ * sdr-trunk
+ * Copyright (C) 2014-2018 Dennis Sheirer
+ *
+ * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by  the Free Software Foundation, either version 3 of the License, or  (at your option) any
+ * later version.
+ *
+ * This program is distributed in the hope that it will be useful,  but WITHOUT ANY WARRANTY; without even the implied
+ * warranty of  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License  along with this program.
+ * If not, see <http://www.gnu.org/licenses/>
+ *
+ ******************************************************************************/
+package io.github.dsheirer.dsp.psk;
+
+
+public class SymbolDecisionData
+{
+    private float[] mSamplesInphase;
+    private float[] mSamplesQuadrature;
+    private float mSamplesPerSymbol;
+    private int mSampleIndex;
+    private float mSampleIndexOffset;
+
+    /**
+     * Symbol decision data - samples and timing decision for a single symbol decision instant.
+     *
+     * @param samplesInphase
+     * @param samplesQuadrature
+     * @param samplesPerSymbol
+     * @param sampleIndex
+     * @param sampleIndexOffset
+     */
+    public SymbolDecisionData(float[] samplesInphase, float[] samplesQuadrature, float samplesPerSymbol,
+                              int sampleIndex, float sampleIndexOffset)
+    {
+        mSamplesInphase = samplesInphase;
+        mSamplesQuadrature = samplesQuadrature;
+        mSamplesPerSymbol = samplesPerSymbol;
+        mSampleIndex = sampleIndex;
+        mSampleIndexOffset = sampleIndexOffset;
+    }
+
+    public float[] getInphaseSamples()
+    {
+        return mSamplesInphase;
+    }
+
+    public float[] getQuadratureSamples()
+    {
+        return mSamplesQuadrature;
+    }
+
+    public float getSamplesPerSymbol()
+    {
+        return mSamplesPerSymbol;
+    }
+
+    public int getSampleIndex()
+    {
+        return mSampleIndex;
+    }
+
+    public float getSampleIndexOffset()
+    {
+        return mSampleIndexOffset;
+    }
+}