diff -N HPSEcalConverterDriver.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ HPSEcalConverterDriver.java	21 Nov 2012 00:29:53 -0000	1.6
@@ -0,0 +1,86 @@

+package org.lcsim.hps.recon.ecal;
+
+import java.util.ArrayList;
+import java.util.List;
+import org.lcsim.event.CalorimeterHit;
+import org.lcsim.event.EventHeader;
+import org.lcsim.event.RawCalorimeterHit;
+import org.lcsim.util.Driver;
+import org.lcsim.util.lcio.LCIOConstants;
+
+/**
+ *
+ * @author Sho Uemura <[log in to unmask]>
+ * @version $Id: HPSEcalConverterDriver.java,v 1.6 2012/11/21 00:29:53 meeg Exp $
+ */
+public class HPSEcalConverterDriver extends Driver {
+
+    String rawCollectionName;
+    String ecalReadoutName = "EcalHits";
+    String ecalCollectionName = "EcalCorrectedHits";
+    int flags;
+    double scale = 1.0;
+//    double pedestal = 0.0;
+    double period = 4.0;
+    double dt = 0.0;
+
+    public HPSEcalConverterDriver() {
+        flags = 0;
+        flags += 1 << LCIOConstants.CHBIT_LONG; //store position
+        flags += 1 << LCIOConstants.RCHBIT_ID1; //store cell ID
+    }
+
+//    public void setPedestal(double pedestal) {
+//        this.pedestal = pedestal;
+//    }
+    public void setScale(double scale) {
+        this.scale = scale;
+    }
+
+    public void setEcalCollectionName(String ecalCollectionName) {
+        this.ecalCollectionName = ecalCollectionName;
+    }
+
+    public void setRawCollectionName(String rawCollectionName) {
+        this.rawCollectionName = rawCollectionName;
+    }
+
+    @Override
+    public void startOfData() {
+        if (ecalCollectionName == null) {
+            throw new RuntimeException("The parameter ecalCollectionName was not set!");
+        }
+    }
+
+    @Override
+    public void process(EventHeader event) {
+        if (event.hasCollection(HPSFADCCalorimeterHit.class, rawCollectionName)) {
+            // Get the list of ECal hits.
+            List<HPSFADCCalorimeterHit> hits = event.get(HPSFADCCalorimeterHit.class, rawCollectionName);
+
+            ArrayList<CalorimeterHit> newHits = new ArrayList<CalorimeterHit>();
+
+            for (HPSFADCCalorimeterHit hit : hits) {
+                newHits.add(HitDtoA(hit));
+            }
+
+            event.put(ecalCollectionName, newHits, CalorimeterHit.class, flags, ecalReadoutName);
+        }
+    }
+
+//    private int AtoD(double amplitude, long cellID) {
+//        return (int) Math.round(amplitude / scale);
+//    }
+
+    private double DtoA(int amplitude, long cellID) {
+        return scale * amplitude;
+    }
+
+    private CalorimeterHit HitDtoA(RawCalorimeterHit hit) {
+        return new HPSRawCalorimeterHit(DtoA(hit.getAmplitude(), hit.getCellID()), period * hit.getTimeStamp() + dt, hit.getCellID(), 0);
+    }
+
+//    private RawCalorimeterHit HitAtoD(CalorimeterHit hit) {
+//        return new HPSFADCCalorimeterHit(hit.getCellID(), AtoD(hit.getRawEnergy(), hit.getCellID()), (int) Math.round(hit.getTime() / period), 0);
+//    }
+}