Index: PIControllers.h
===================================================================
diff -u -r21fa2beca5bf5f6e97bbb4c3729b05f5d25b2f2f -re36314e77be984668ded42e1af9aefc54b60c677
--- PIControllers.h	(.../PIControllers.h)	(revision 21fa2beca5bf5f6e97bbb4c3729b05f5d25b2f2f)
+++ PIControllers.h	(.../PIControllers.h)	(revision e36314e77be984668ded42e1af9aefc54b60c677)
@@ -41,6 +41,9 @@
 /// Enumeration of PI controllers.
 typedef enum ControllerList
 {
+#ifdef _TD_
+    PI_CONTROLLER_ID_BLOOD_FLOW,                    ///< Blood pump controller to target flow rate
+#endif
 #ifdef _DD_
     PI_CONTROLLER_ID_D12_PUMP,                      ///< Fresh dialysate Pump controller
     PI_CONTROLLER_ID_D48_PUMP,                      ///< Spent dialysate Pump controller