Index: firmware/App/Controllers/LoadCell.c
===================================================================
diff -u -r64b37cc2955d04bbc77ea41940b1b1b30c06651b -r45fff2549ecea601f9b603f59ade225086d36e69
--- firmware/App/Controllers/LoadCell.c	(.../LoadCell.c)	(revision 64b37cc2955d04bbc77ea41940b1b1b30c06651b)
+++ firmware/App/Controllers/LoadCell.c	(.../LoadCell.c)	(revision 45fff2549ecea601f9b603f59ade225086d36e69)
@@ -29,10 +29,12 @@
 
 #define LOAD_CELL_REPORT_PERIOD         (100 / TASK_PRIORITY_INTERVAL)                  ///< Broadcast load cell values message every 100 ms.
 #define LOAD_CELL_SAMPLES_TO_AVERAGE    (100 / TASK_PRIORITY_INTERVAL)                  ///< Averaging load cell data over the reporting interval.
-#define LOAD_CELL_AVERAGE_MULTIPLIER    (1.0 / (F32)LOAD_CELL_SAMPLES_TO_AVERAGE)       ///< Optimization - multiplying is faster than dividing.
-// TODO - gain and offset for load cells should be read from NV Data calibration record.
-#define ADC2GRAM                        (0.0894 * 1.1338)                               ///< Conversion factor from ADC counts to grams.
-#define LOAD_CELL_ZERO_OFFSET           -1215.0                                         ///< Zero offset (in grams).  TODO - right now, this is empty reservoir weight.
+/// Optimization - multiplying is faster than dividing.
+static const F32 LOAD_CELL_AVERAGE_MULTIPLIER = (1.0 / (F32)LOAD_CELL_SAMPLES_TO_AVERAGE);
+/// Conversion factor from ADC counts to grams.
+static const F32 ADC2GRAM = (0.0894 * 1.1338);
+#define LOAD_CELL_ZERO_OFFSET           -1500.0                                         ///< Zero offset (in grams).  TODO - right now, this is empty reservoir weight.
+#define LOAD_CELL_FILTER_ALPHA          0.05                                            ///< Alpha factor for the alpha filter used on load cell readings.
 
 #define SIZE_OF_SMALL_LOAD_CELL_AVG     10                                              ///< Small load cell moving average has 10 samples.
 #define SIZE_OF_LARGE_LOAD_CELL_AVG     40                                              ///< Large load cell moving average has 40 samples.
@@ -64,6 +66,11 @@
 static U32 smallReadingsIdx;                                                            ///< Index for next sample in load cell small rolling average sample array.
 static U32 largeReadingsIdx;                                                            ///< Index for next sample in load cell large rolling average sample array.
 
+// TODO - test code
+static F32 rawReadings[10];
+
+// TODO - gain and offset for load cells should be read from NV Data calibration record.
+
 // ********** private function prototypes **********
 
 static U32 getLoadCellDataPublishInterval( void );
@@ -122,13 +129,21 @@
 void execLoadCell( void )
 {
     U32 ii;
+    F32 A1,B1,prevA1,prevB1;
 
     // update sums for load cell average calculations
     loadcells[ LOAD_CELL_RESERVOIR_1_PRIMARY ].measuredReadingSum += getFPGALoadCellA1();
     loadcells[ LOAD_CELL_RESERVOIR_1_BACKUP ].measuredReadingSum += getFPGALoadCellA2();
     loadcells[ LOAD_CELL_RESERVOIR_2_PRIMARY ].measuredReadingSum += getFPGALoadCellB1();
     loadcells[ LOAD_CELL_RESERVOIR_2_BACKUP ].measuredReadingSum += getFPGALoadCellB2();
 
+    // TODO - test code
+    A1 = (F32)getFPGALoadCellA1() * ADC2GRAM + LOAD_CELL_ZERO_OFFSET - loadcells[ LOAD_CELL_RESERVOIR_1_PRIMARY ].autoCalOffset;
+    B1 = (F32)getFPGALoadCellB1() * ADC2GRAM + LOAD_CELL_ZERO_OFFSET - loadcells[ LOAD_CELL_RESERVOIR_2_PRIMARY ].autoCalOffset;
+    rawReadings[loadCellDataPublicationTimerCounter] = A1;
+    prevA1 = getLoadCellFilteredWeight( LOAD_CELL_RESERVOIR_1_PRIMARY );
+    prevB1 = getLoadCellFilteredWeight( LOAD_CELL_RESERVOIR_2_PRIMARY );
+
     // filter every 100ms
     if ( ++loadCellFilterTimerCount >= LOAD_CELL_SAMPLES_TO_AVERAGE )
     {
@@ -158,6 +173,10 @@
         largeReadingsIdx = INC_WRAP( largeReadingsIdx, 0, SIZE_OF_LARGE_LOAD_CELL_AVG - 1 );
     }
 
+    // TODO - test code
+    loadcells[ LOAD_CELL_RESERVOIR_1_PRIMARY ].filteredWeight.data = ( A1 * LOAD_CELL_FILTER_ALPHA ) + ( prevA1 * ( 1.0 - LOAD_CELL_FILTER_ALPHA ) );
+    loadcells[ LOAD_CELL_RESERVOIR_2_PRIMARY ].filteredWeight.data = ( B1 * LOAD_CELL_FILTER_ALPHA ) + ( prevB1 * ( 1.0 - LOAD_CELL_FILTER_ALPHA ) );
+
     // broadcast load cell data if we are at scheduled interval.
     if ( ++loadCellDataPublicationTimerCounter >= getLoadCellDataPublishInterval() )
     {
@@ -166,6 +185,9 @@
         // broadcast load cell data
         broadcastLoadCellData( getLoadCellFilteredWeight( LOAD_CELL_RESERVOIR_1_PRIMARY ), getLoadCellFilteredWeight( LOAD_CELL_RESERVOIR_1_BACKUP ),
                                getLoadCellFilteredWeight( LOAD_CELL_RESERVOIR_2_PRIMARY ), getLoadCellFilteredWeight( LOAD_CELL_RESERVOIR_2_BACKUP ) );
+
+        // TODO - test code
+        broadcastLoadCellRawData( &rawReadings[0] );
     }
 }
 
Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -ref85c4f5bd363adfd405faf3b91910363d8030f1 -r45fff2549ecea601f9b603f59ade225086d36e69
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision ef85c4f5bd363adfd405faf3b91910363d8030f1)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 45fff2549ecea601f9b603f59ade225086d36e69)
@@ -415,6 +415,25 @@
     result = serializeMessage( msg, COMM_BUFFER_OUT_CAN_DG_BROADCAST, ACK_NOT_REQUIRED );
 
     return result;
+}
+
+BOOL broadcastLoadCellRawData( F32 *rawData )
+{
+    BOOL result;
+    MESSAGE_T msg;
+    U08 *payloadPtr = msg.payload;
+
+    // create a message record
+    blankMessage( &msg );
+    msg.hdr.msgID = MSG_ID_DG_LOAD_CELL_RAW_DATA_BROADCAST;
+    msg.hdr.payloadLen = sizeof( F32 ) * 10;
+
+    memcpy( payloadPtr, rawData, sizeof( F32 ) * 10 );
+
+    // serialize the message (w/ sync, CRC, and appropriate CAN padding) and add serialized message data to appropriate comm buffer
+    result = serializeMessage( msg, COMM_BUFFER_OUT_CAN_DG_BROADCAST, ACK_NOT_REQUIRED );
+
+    return result;
 }
 
 /*********************************************************************//**
Index: firmware/App/Services/SystemCommMessages.h
===================================================================
diff -u -r5fa15db8e36792f83650711ab29755912d229437 -r45fff2549ecea601f9b603f59ade225086d36e69
--- firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 5fa15db8e36792f83650711ab29755912d229437)
+++ firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 45fff2549ecea601f9b603f59ade225086d36e69)
@@ -62,6 +62,7 @@
 
 // MSG_ID_LOAD_CELL_READINGS
 BOOL broadcastLoadCellData( F32 loadCellA1, F32 loadCellA2, F32 loadCellB1, F32 loadCellB2 );
+BOOL broadcastLoadCellRawData( F32 *rawData );  // TODO - test code - remove later
 
 // MSG_ID_DG_VALVES_STATES
 BOOL broadcastValvesStates( U16 valvesStates );