Index: firmware/App/Services/FpgaTD.h
===================================================================
diff -u -r50f4b79164155c1bc375dd3ff0e8588f934dc729 -r51f42cd88bd9c50ed9096a2d1d8ff859a95aff95
--- firmware/App/Services/FpgaTD.h	(.../FpgaTD.h)	(revision 50f4b79164155c1bc375dd3ff0e8588f934dc729)
+++ firmware/App/Services/FpgaTD.h	(.../FpgaTD.h)	(revision 51f42cd88bd9c50ed9096a2d1d8ff859a95aff95)
@@ -32,8 +32,8 @@
 // ********** public definitions **********
 
 // Bit definitions for pinch valve control register
-#define FPGA_PINCH_VALVES_1_32_STEP                 0x03                        ///< Bit mask for configuring pinch valve for 1/32 step.
-#define FPGA_PINCH_VALVES_REVERSE                   0x08                        ///< Bit mask for configuring pinch valve for reverse direction.
+#define FPGA_PINCH_VALVES_1_8_STEP                  0x07                        ///< Bit mask for configuring pinch valve for 1/8 step microstepping.
+#define FPGA_PINCH_VALVES_RESET_ENCODER             0x08                        ///< Bit mask for configuring pinch valve to reset the encoder.
 #define FPGA_PINCH_VALVES_DISABLE                   0x10                        ///< Bit mask for configuring pinch valve to be disabled.
 #define FPGA_PINCH_VALVES_NOT_RESET                 0x20                        ///< Bit mask for configuring pinch valve to not be in reset.
 #define FPGA_PINCH_VALVES_NOT_SLEEP                 0x40                        ///< Bit mask for configuring pinch valve to not be in sleep mode.
@@ -104,14 +104,14 @@
 
 void setH19Control( U08 controlBits );
 U08  getH19Control( void );
-void setH19Position( U16 setPoint );
+void setH19Position( S16 setPoint );
 S16  getH19EncoderPosition( void );
 S16  getH19CmdPosition( void );
 U16  getH19Status( void );
 
 void setH1Control( U08 controlBits );
 U08  getH1Control( void );
-void setH1Position( U16 setPoint );
+void setH1Position( S16 setPoint );
 S16  getH1EncoderPosition( void );
 S16  getH1CmdPosition( void );
 U16  getH1Status( void );