Index: firmware/App/Controllers/DialOutUF.c
===================================================================
diff -u -r96bff7c1a8c755eb28a89e131a737dc1c4a7d9fc -r2bb447181c2519690441d81f83563d17e0882ef2
--- firmware/App/Controllers/DialOutUF.c	(.../DialOutUF.c)	(revision 96bff7c1a8c755eb28a89e131a737dc1c4a7d9fc)
+++ firmware/App/Controllers/DialOutUF.c	(.../DialOutUF.c)	(revision 2bb447181c2519690441d81f83563d17e0882ef2)
@@ -18,8 +18,9 @@
     #include <math.h>
 #endif
 
-#include "can.h"
 #include "etpwm.h"
+#include "gio.h"
+#include "spi.h"
 
 #include "Common.h"
 #include "FPGA.h"
@@ -91,13 +92,13 @@
 } DIAL_OUT_FLOW_SELF_TEST_STATE_T;
 
 // CAN3 port pin assignments for pump stop and direction outputs
-#define STOP_CAN3_PORT_MASK             0x00000002  // (Tx - re-purposed as output GPIO for dialOut pump stop signal)
-#define DIR_CAN3_PORT_MASK              0x00000002  // (Rx - re-purposed as output GPIO for dialOut pump direction signal)
+#define STOP_SPI4_PORT_MASK             0x00000200  // (CLK - re-purposed as output GPIO)
+#define DIR_DO_PUMP_GIO_PORT_PIN        6U
 // dialOut pump stop and direction macros
-#define SET_DOP_DIR()                   {canREG3->RIOC |= DIR_CAN3_PORT_MASK;}
-#define SET_DOP_STOP()                  {canREG3->TIOC |= STOP_CAN3_PORT_MASK;}
-#define CLR_DOP_DIR()                   {canREG3->RIOC &= ~DIR_CAN3_PORT_MASK;}
-#define CLR_DOP_STOP()                  {canREG3->TIOC &= ~STOP_CAN3_PORT_MASK;}
+#define SET_DOP_DIR()                   gioSetBit( gioPORTA, DIR_DO_PUMP_GIO_PORT_PIN, PIN_SIGNAL_HIGH )
+#define SET_DOP_STOP()                  {spiREG4->PC3 |= STOP_SPI4_PORT_MASK;}
+#define CLR_DOP_DIR()                   gioSetBit( gioPORTA, DIR_DO_PUMP_GIO_PORT_PIN, PIN_SIGNAL_LOW )
+#define CLR_DOP_STOP()                  {spiREG4->PC3 &= ~STOP_SPI4_PORT_MASK;}
 
 // ********** private data **********