Index: firmware/App/Controllers/BloodFlow.c
===================================================================
diff -u -r3cdfce9c1c4fa0fd205756eb458ac5d3bffc9045 -r2039b2a517f7868280bfb762cd4ff3341edd6c21
--- firmware/App/Controllers/BloodFlow.c	(.../BloodFlow.c)	(revision 3cdfce9c1c4fa0fd205756eb458ac5d3bffc9045)
+++ firmware/App/Controllers/BloodFlow.c	(.../BloodFlow.c)	(revision 2039b2a517f7868280bfb762cd4ff3341edd6c21)
@@ -228,7 +228,7 @@
 {
     U32 i;
 
-    stopBloodPump();
+    signalBloodPumpHardStop();
     setBloodPumpDirection( MOTOR_DIR_FORWARD );
 
     // Zero rolling pump speed average buffer
@@ -276,7 +276,7 @@
     // Direction change while pump is running is not allowed
     if ( ( FALSE == isBloodPumpOn ) || ( 0 == flowRate ) || ( dir == bloodPumpDirectionSet ) )
     {
-        U32 dirFlowRate = ( dir == MOTOR_DIR_FORWARD ? (S32)flowRate : (S32)flowRate * -1 );
+        S32 dirFlowRate = ( dir == MOTOR_DIR_FORWARD ? (S32)flowRate : (S32)flowRate * -1 );
 
         // Don't interrupt pump control unless rate or mode is changing
         if ( ( dirFlowRate != targetBloodFlowRate ) || ( mode != bloodPumpControlMode ) )
@@ -649,7 +649,7 @@
     // Have we essentially reached zero speed?
     if ( bloodPumpPWMDutyCyclePctSet < (MAX_BLOOD_PUMP_PWM_STEP_DN_CHANGE + BP_PWM_ZERO_OFFSET) )
     {
-        stopBloodPump();
+        signalBloodPumpHardStop();
         result = BLOOD_PUMP_OFF_STATE;
     }
     // Have we reached end of ramp down?