Index: FPDefs.h
===================================================================
diff -u -r6b3a22a1e257b60d8af56c12108d255c9c6bbdb4 -r1acc51f9ec39e588719bf11371ba8ab52849675c
--- FPDefs.h	(.../FPDefs.h)	(revision 6b3a22a1e257b60d8af56c12108d255c9c6bbdb4)
+++ FPDefs.h	(.../FPDefs.h)	(revision 1acc51f9ec39e588719bf11371ba8ab52849675c)
@@ -234,8 +234,8 @@
 /// Enumeration of valves.
 typedef enum FP_Valves
 {
-    P43_VALV = 0,                                  ///< Valve (M4)
-    FP_FIRST_VALVE = P43_VALV,                     ///< First valve
+    M4_VALV = 0,                                  ///< Valve (M4)
+    FP_FIRST_VALVE = M4_VALV,                     ///< First valve
     P39_VALV,                                     ///< Valve (P39)
     P6_VALV,                                      ///< Valve (P6)
     P11_VALV,                                     ///< Valve (P11)
@@ -244,7 +244,7 @@
     P37_VALV,                                     ///< Valve (P37)
     M7_VALV,                                      ///< Valve (M7)
     P20_VALV,                                     ///< Valve (P20)
-    M4_VALV,                                     ///< Valve (P43)
+    P43_VALV,                                     ///< Valve (P43)
     FP_NUM_OF_VALVES                              ///< Number of valves
 } FP_VALVES_T;