Index: firmware/App/Controllers/DialOutFlow.c
===================================================================
diff -u -r766708fceb0bdf1af8c7897df29d4f5036bfd3db -r6b870cd0699bb3ee22b93981d51373a6c2d56162
--- firmware/App/Controllers/DialOutFlow.c	(.../DialOutFlow.c)	(revision 766708fceb0bdf1af8c7897df29d4f5036bfd3db)
+++ firmware/App/Controllers/DialOutFlow.c	(.../DialOutFlow.c)	(revision 6b870cd0699bb3ee22b93981d51373a6c2d56162)
@@ -51,7 +51,8 @@
 #define MAX_DIAL_OUT_PUMP_PWM_DUTY_CYCLE        0.88            ///< Controller will error if PWM duty cycle > 90%, so set max to 88%.
 #define MIN_DIAL_OUT_PUMP_PWM_DUTY_CYCLE        0.12            ///< Controller will error if PWM duty cycle < 10%, so set min to 12%.
 
-#define DOP_CONTROL_INTERVAL                    ( 1000 / TASK_GENERAL_INTERVAL ) ///< Interval (ms/task time) at which the dialysate outlet pump is controlled.
+/// Interval (ms/task time) at which the dialysate outlet pump is controlled.
+static const U32 DOP_CONTROL_INTERVAL         = ( 1000 / TASK_GENERAL_INTERVAL );
 #define DOP_P_COEFFICIENT                       0.0050          ///< P term for dialysate outlet pump control.
 #define DOP_I_COEFFICIENT                       0.0001          ///< I term for dialysate outlet pump control.
 
@@ -66,11 +67,16 @@
 #define DOP_MAX_MOTOR_SPEED_WHILE_OFF_RPM       100.0           ///< Maximum motor speed (RPM) while motor is commanded off.
 #define DOP_MAX_ROTOR_VS_MOTOR_DIFF_RPM         5.0             ///< Maximum difference in speed between motor and rotor (in rotor RPM).
 #define DOP_MAX_MOTOR_SPEED_ERROR_RPM           300.0           ///< Maximum difference in speed between measured and commanded RPM.
-#define DOP_OFF_ERROR_PERSIST                   ((5 * MS_PER_SECOND) / TASK_PRIORITY_INTERVAL)  ///< Persist time (task intervals) for motor off error condition.
-#define DOP_MOTOR_SPEED_ERROR_PERSIST           ((5 * MS_PER_SECOND) / TASK_PRIORITY_INTERVAL)  ///< Persist time (task intervals) motor speed error condition.
-#define DOP_ROTOR_SPEED_ERROR_PERSIST           ((12 * MS_PER_SECOND) / TASK_PRIORITY_INTERVAL) ///< Persist time (task intervals) rotor speed error condition.
-#define DOP_DIRECTION_ERROR_PERSIST             (250 / TASK_PRIORITY_INTERVAL)                  ///< Persist time (task intervals) pump direction error condition.
 
+/// Persist time (task intervals) for motor off error condition.
+static const U32 DOP_OFF_ERROR_PERSIST          = ((5 * MS_PER_SECOND) / TASK_PRIORITY_INTERVAL);
+/// Persist time (task intervals) motor speed error condition.
+static const U32 DOP_MOTOR_SPEED_ERROR_PERSIST  = ((5 * MS_PER_SECOND) / TASK_PRIORITY_INTERVAL);
+/// Persist time (task intervals) rotor speed error condition.
+static const U32 DOP_ROTOR_SPEED_ERROR_PERSIST  = ((12 * MS_PER_SECOND) / TASK_PRIORITY_INTERVAL);
+/// Persist time (task intervals) pump direction error condition.
+static const U32 DOP_DIRECTION_ERROR_PERSIST    = (250 / TASK_PRIORITY_INTERVAL);
+
 #define DOP_MAX_CURR_WHEN_STOPPED_MA            150.0           ///< Motor controller current should not exceed this when pump should be stopped.
 #define DOP_MIN_CURR_WHEN_RUNNING_MA            150.0           ///< Motor controller current should always exceed this when pump should be running.
 #define DOP_MAX_CURR_WHEN_RUNNING_MA            2000.0          ///< Motor controller current should not exceed this when pump should be running.