Index: firmware/App/Controllers/BloodFlow.c
===================================================================
diff -u -r59a959e90acca96b44158dcd65706e83069dc859 -r0b8f332794e830b2a9c87c7b7ba852120e1a7334
--- firmware/App/Controllers/BloodFlow.c	(.../BloodFlow.c)	(revision 59a959e90acca96b44158dcd65706e83069dc859)
+++ firmware/App/Controllers/BloodFlow.c	(.../BloodFlow.c)	(revision 0b8f332794e830b2a9c87c7b7ba852120e1a7334)
@@ -109,7 +109,7 @@
 /// Conversion macro from mL/min to estimated PWM duty cycle %.
 #define BP_PWM_FROM_ML_PER_MIN(rate)        ( (rate) * BP_ML_PER_MIN_TO_PUMP_RPM_FACTOR * BP_GEAR_RATIO * BP_MOTOR_RPM_TO_PWM_DC_FACTOR + BP_PWM_ZERO_OFFSET )
 /// Conversion from PWM duty cycle % to commanded pump motor speed.
-#define BP_PWM_TO_MOTOR_SPEED_RPM(pwm,dir)  ( ( ((pwm) - BP_PWM_ZERO_OFFSET) * 4000.0F ) * ( dir == MOTOR_DIR_FORWARD ? 1 : -1 ) )
+#define BP_PWM_TO_MOTOR_SPEED_RPM(pwm,dir)  ( ( ((pwm) - BP_PWM_ZERO_OFFSET) * 4000.0F ) * ( dir == MOTOR_DIR_FORWARD ? 1.0F : -1.0F ) )
 /// Conversion macro from mL/min to estimated PWM duty cycle %.
 #define BP_ML_PER_MIN_FROM_PWM(pwm)         ( ( ( pwm - BP_PWM_ZERO_OFFSET ) / ( BP_ML_PER_MIN_TO_PUMP_RPM_FACTOR * BP_GEAR_RATIO * BP_MOTOR_RPM_TO_PWM_DC_FACTOR ) ) )
 
@@ -1136,8 +1136,8 @@
  * 2. while pump is controlling, measured motor speed should be within allowed range of commanded speed.
  * 3. measured motor speed should be within allowed range of measured rotor speed.
  * All 3 checks have a persistence time that must be met before an alarm is triggered.
- * @details Inputs: targetBloodFlowRate, bloodPumpSpeedRPM, bloodPumpRotorSpeedRPM
- * @details Outputs: alarm(s) may be triggered
+ * @details Inputs: bloodPumpState, targetBloodFlowRate, bloodPumpPWMDutyCyclePctSet, bloodPumpDirectionSet
+ * @details Outputs: errorBloodRotorSpeedPersistTimerCtr, alarm(s) may be triggered
  * @return none
  *************************************************************************/
 static void checkBloodPumpSpeeds( void )