Index: firmware/App/Drivers/PinchValve.h
===================================================================
diff -u -re0060cd79d971c0ed94b8aed6949d2754480fe92 -r8c14bdff486bb7299381f19672bb9761b91c332b
--- firmware/App/Drivers/PinchValve.h	(.../PinchValve.h)	(revision e0060cd79d971c0ed94b8aed6949d2754480fe92)
+++ firmware/App/Drivers/PinchValve.h	(.../PinchValve.h)	(revision 8c14bdff486bb7299381f19672bb9761b91c332b)
@@ -33,6 +33,16 @@
 
 // ********** public definitions **********
 
+/// Valves positions
+typedef enum valveStatesNames
+{
+    VALVE_POSITION_NOT_IN_POSITION = 0, ///< Valve position is unknown (cannot be used as a command)
+    VALVE_POSITION_A_INSERT_EJECT,      ///< Position A, Insert/Eject
+    VALVE_POSITION_B_OPEN,              ///< Position B, Open
+    VALVE_POSITION_C_CLOSE,             ///< Position C, Close
+    NUM_OF_VALVE_POSITIONS,             ///< Number of valve positions
+} VALVE_POSITION_T;
+
 /// rotary pinch valve names
 typedef enum valveNames
 {