Index: firmware/App/DDCommon.h
===================================================================
diff -u -r322747d530c1b8205be257557e53dcfe9caad50a -r5126b79e4970ffe2ed9db4cccea18a1216c78570
--- firmware/App/DDCommon.h	(.../DDCommon.h)	(revision 322747d530c1b8205be257557e53dcfe9caad50a)
+++ firmware/App/DDCommon.h	(.../DDCommon.h)	(revision 5126b79e4970ffe2ed9db4cccea18a1216c78570)
@@ -39,6 +39,9 @@
 //Uncomment the below line for new dosing pump testing
 #define __PUMPTEST__            1
 
+//Uncomment below for PI testing
+//#define __PITEST__              1
+
     #include <stdio.h>
     #include <strings.h>
 #endif