Index: firmware/App/Controllers/BloodFlow.h
===================================================================
diff -u -r933a18d740285e70be9d00696ed0f5a5381bc8e4 -r70d33c50c8c3fd987f39eaa1f3b294860d569830
--- firmware/App/Controllers/BloodFlow.h	(.../BloodFlow.h)	(revision 933a18d740285e70be9d00696ed0f5a5381bc8e4)
+++ firmware/App/Controllers/BloodFlow.h	(.../BloodFlow.h)	(revision 70d33c50c8c3fd987f39eaa1f3b294860d569830)
@@ -36,6 +36,7 @@
 #define SALINE_BOLUS_FLOW_RATE              150             ///< Saline bolus flow rate (in mL/min).
 
 #define VOLUME_PER_BP_MOTOR_REV_ML          0.2             ///< Theoretical volume (mL) of blood/saline volume per motor revolution.
+#define BP_HALL_EDGE_COUNTS_PER_REV         48              ///< Number of hall sensor edge counts per motor revolution.
 
 /// Payload record structure for a blood pump data message.
 typedef struct