Index: firmware/App/TDCommon.h
===================================================================
diff -u -rd595ea4a23b0b2371e31838c24990059653c1871 -r036a75d76ab01912646a480b935d97187a231a19
--- firmware/App/TDCommon.h	(.../TDCommon.h)	(revision d595ea4a23b0b2371e31838c24990059653c1871)
+++ firmware/App/TDCommon.h	(.../TDCommon.h)	(revision 036a75d76ab01912646a480b935d97187a231a19)
@@ -15,24 +15,25 @@
 *
 ***************************************************************************/
 
-#ifndef __HD_COMMON_H__
-#define __HD_COMMON_H__
+#ifndef __TD_COMMON_H__
+#define __TD_COMMON_H__
 
 #include "hal_stdtypes.h"
 
 // ********** version **********
 
-#define HD_VERSION_MAJOR        0
-#define HD_VERSION_MINOR        0
-#define HD_VERSION_MICRO        0
-#define HD_VERSION_BUILD        0
+#define TD_VERSION_MAJOR        0
+#define TD_VERSION_MINOR        0
+#define TD_VERSION_MICRO        0
+#define TD_VERSION_BUILD        0
 
 // ********** development build switches **********
 
 #ifndef _RELEASE_
 #ifndef _VECTORCAST_
 //    #define TASK_TIMING_OUTPUT_ENABLED      1           // Re-purposes alarm lamp pins for task timing
 //    #define TEST_AIR_TRAP_ALPHA_TESTING     1           // Alpha unit air trap testing
+//    #define TEST_PINCH_VALVES               1           // Alpha unit pinch valve testing
 
     #include <stdio.h>
     #include <strings.h>
@@ -50,7 +51,7 @@
 
 #pragma pack(push,1)
 
-/// Payload record structure for an HD versions message.
+/// Payload record structure for an TD versions message.
 typedef struct
 {
     U08 major;                              ///< HD version major revision.
@@ -62,7 +63,7 @@
     U08 fpgaMinor;                          ///< HD FPGA minor revision.
     U08 fpgaLab;                            ///< HD FPGA lab revision.
     U32 compatibilityRev;                   ///< HD compatibility revision.
-} HD_VERSIONS_T;
+} TD_VERSIONS_T;
 
 /// DD version struct.
 typedef struct