Index: Common.h
===================================================================
diff -u -radab2bae581c8421a4f92855519984497824ff0c -r6b3109b7090a207d9ec7ab67006bd95389ea0b28
--- Common.h	(.../Common.h)	(revision adab2bae581c8421a4f92855519984497824ff0c)
+++ Common.h	(.../Common.h)	(revision 6b3109b7090a207d9ec7ab67006bd95389ea0b28)
@@ -78,11 +78,18 @@
 /// List of pump control modes.
 typedef enum Pump_Control_Modes
 {
-    PUMP_CONTROL_MODE_CLOSED_LOOP = 0,                ///< Pump controlled based on set point and feedback
-    PUMP_CONTROL_MODE_OPEN_LOOP,                      ///< Pump controlled to set PWM duty cycle
-    NUM_OF_PUMP_CONTROL_MODES                         ///< Number of pump control modes
+    PUMP_CONTROL_MODE_CLOSED_LOOP = 0,               ///< Pump controlled based on set point and feedback
+    PUMP_CONTROL_MODE_OPEN_LOOP,                     ///< Pump controlled to set PWM duty cycle
+    NUM_OF_PUMP_CONTROL_MODES                        ///< Number of pump control modes
 } PUMP_CONTROL_MODE_T;
 
+/// List of switch states.
+typedef enum Switch_States
+{
+    TURN_OFF = 0,                                   ///< Turn off
+    TURN_ON,                                        ///< Turn on
+} SWITCH_STATES_T;
+
 // **** Common Definitions ****
 
 #define NEARLY_ZERO                     0.00000001  ///< Value that is nearly zero.  Used for floating point zero comparisons (e.g. divide by zero checks)