Index: firmware/App/Drivers/PeristalticPump.c
===================================================================
diff -u -r87d705fcf977af12b7b034735fa5867f2daea2b9 -rbd37ce75271151436de0bb6de9f75123d8251396
--- firmware/App/Drivers/PeristalticPump.c	(.../PeristalticPump.c)	(revision 87d705fcf977af12b7b034735fa5867f2daea2b9)
+++ firmware/App/Drivers/PeristalticPump.c	(.../PeristalticPump.c)	(revision bd37ce75271151436de0bb6de9f75123d8251396)
@@ -27,13 +27,18 @@
 
 // ********** private definitions **********
 
-#define MAX_PUMP_SPEED_RPM                      5000U               ///< Maximum speed (in RPM) that a peristaltic pump can be set to.
+#define MAX_PUMP_SPEED_RPM      5000U                                       ///< Maximum speed (in RPM) that a peristaltic pump can be set to.
 
+#define BP_PERIOD_SEC           0.00001F                                    ///< Blood pump feedback period in seconds.
+#define BP_HZ_TO_RPM_SCALAR     10.0F                                       ///< Blood pump Hz to RPM scalar.
+#define BP_PERIOD_TO_HZ(p)      ( 1.0F / (F32)((S32)(p) * BP_PERIOD_SEC) )  ///< Blood pump period to Hz conversion macro.
+#define BP_HZ_TO_RPM(h)         ((h) * BP_HZ_TO_RPM_SCALAR)                 ///< Blood pump Hz to RPM conversion macro.
+
 // ********** private data **********
 
-static S32 pumpSetSpeedRPM;                                         ///< Current set speed for the pump (in RPM).  Negative indicates reverse direction.
-static OVERRIDE_S32_T pumpMeasSpeedRPM;                             ///< Latest measured pump speed (in RPM).
-static BOOL pumpHomeRequested;                                      ///< Flag indicates a pump home operation has been requested.
+static S32 pumpSetSpeedRPM;                                                 ///< Current set speed for the pump (in RPM).  Negative indicates reverse direction.
+static OVERRIDE_F32_T pumpMeasSpeedRPM;                                     ///< Latest measured pump speed (in RPM).
+static BOOL pumpHomeRequested;                                              ///< Flag indicates a pump home operation has been requested.
 
 // ********** private function prototypes **********
 
@@ -49,9 +54,9 @@
 {
     pumpHomeRequested = FALSE;
     pumpSetSpeedRPM = 0;
-    pumpMeasSpeedRPM.data = 0;
-    pumpMeasSpeedRPM.ovData = 0;
-    pumpMeasSpeedRPM.ovInitData = 0;
+    pumpMeasSpeedRPM.data = 0.0F;
+    pumpMeasSpeedRPM.ovData = 0.0F;
+    pumpMeasSpeedRPM.ovInitData = 0.0F;
     pumpMeasSpeedRPM.override = OVERRIDE_RESET;
 
     setBPDirection( MOTOR_DIR_FORWARD );
@@ -72,14 +77,18 @@
  *************************************************************************/
 void readPeristalticPumps( void )
 {
+    S16 period = (S16)getBPPeriod();
+    F32 Hz     = BP_PERIOD_TO_HZ(period);
+    F32 rpm    = BP_HZ_TO_RPM(Hz);
+
     // update measured pump speed
     if ( pumpSetSpeedRPM < 0 )
     {
-        pumpMeasSpeedRPM.data = (S32)( (S16)getBPSpeed() * -1 );
+        pumpMeasSpeedRPM.data = rpm * -1.0F;
     }
     else
     {
-        pumpMeasSpeedRPM.data = (S32)( (S16)getBPSpeed() );
+        pumpMeasSpeedRPM.data = rpm;
     }
 
     // clear home command if previously requested
@@ -163,9 +172,9 @@
  * @details \b Outputs: none
  * @return Latest measured pump speed in RPM.
  *************************************************************************/
-S32 getPeristalticPumpMeasSpeed( void )
+F32 getPeristalticPumpMeasSpeed( void )
 {
-    S32 result = pumpMeasSpeedRPM.data;
+    F32 result = pumpMeasSpeedRPM.data;
 
     if ( OVERRIDE_KEY == pumpMeasSpeedRPM.override )
     {