Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -ref0b3f0ec00fadc50f95e0db1a6477fb4b076ea1 -r6311eb9b65fdeec7a285d25e07f3932ac0fb6cf1
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision ef0b3f0ec00fadc50f95e0db1a6477fb4b076ea1)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 6311eb9b65fdeec7a285d25e07f3932ac0fb6cf1)
@@ -45,6 +45,17 @@
     U08 alarmsFlags;                            // bit flags: 1 = true, 0 = false for each bit
 } ALARM_COMP_STATUS_PAYLOAD_T;
 
+typedef struct
+{
+    U32 setPoint;
+    F32 measFlow;
+    F32 measRotorSpd;
+    F32 measPumpSpd;
+    F32 measMCSpd;
+    F32 measMCCurr;
+    F32 pwmDC;
+} PERISTALTIC_PUMP_STATUS_PAYLOAD_T;
+
 #pragma pack(pop)
 
 // ********** private data **********
@@ -291,33 +302,33 @@
  * @param measSpd : Latest measured blood pump speed
  * @param measMCspd : Latest measured blood pump motor controller speed
  * @param measSpd : Latest measured blood pump motor controller current
+ * @param pwmDC : Latest PWM duty cycle %
  * @return TRUE if msg successfully queued for transmit, FALSE if not
  *************************************************************************/
-BOOL broadcastBloodFlowData( U32 flowStPt, F32 measFlow, F32 measRotorSpd, F32 measSpd, F32 measMCSpd, F32 measMCCurr )
+BOOL broadcastBloodFlowData( U32 flowStPt, F32 measFlow, F32 measRotorSpd, F32 measSpd, F32 measMCSpd, F32 measMCCurr, F32 pwmDC )
 {
     BOOL result;
     MESSAGE_T msg;
     U32 msgSize;
     U08 data[ sizeof( MESSAGE_WRAPPER_T ) + 1 + CAN_MESSAGE_PAYLOAD_SIZE ];  // must hold full (wrapped) message + sync + any CAN padding
     U08 *payloadPtr = msg.payload;
+    PERISTALTIC_PUMP_STATUS_PAYLOAD_T payload;
 
     // create a message record
     blankMessage( &msg );
     msg.hdr.msgID = MSG_ID_BLOOD_FLOW_DATA;
-    msg.hdr.payloadLen = sizeof( U32 ) + sizeof( F32 ) + sizeof( F32 ) + sizeof( F32 ) + sizeof( F32 ) + sizeof( F32 );
+    msg.hdr.payloadLen = sizeof( PERISTALTIC_PUMP_STATUS_PAYLOAD_T );
 
-    memcpy( payloadPtr, &flowStPt, sizeof( U32 ) );
-    payloadPtr += sizeof( U32 );
-    memcpy( payloadPtr, &measFlow, sizeof( F32 ) );
-    payloadPtr += sizeof( F32 );
-    memcpy( payloadPtr, &measRotorSpd, sizeof( F32 ) );
-    payloadPtr += sizeof( F32 );
-    memcpy( payloadPtr, &measSpd, sizeof( F32 ) );
-    payloadPtr += sizeof( F32 );
-    memcpy( payloadPtr, &measMCSpd, sizeof( F32 ) );
-    payloadPtr += sizeof( F32 );
-    memcpy( payloadPtr, &measMCCurr, sizeof( F32 ) );
+    payload.setPoint = flowStPt;
+    payload.measFlow = measFlow;
+    payload.measRotorSpd = measRotorSpd;
+    payload.measPumpSpd = measSpd;
+    payload.measMCSpd = measMCSpd;
+    payload.measMCCurr = measMCCurr;
+    payload.pwmDC = pwmDC;
 
+    memcpy( payloadPtr, &payload, sizeof( PERISTALTIC_PUMP_STATUS_PAYLOAD_T ) );
+
     // serialize the message (w/ sync, CRC, and appropriate CAN padding)
     msgSize = serializeMessage( msg, data );