Index: App/Services/CommInterrupts.h
===================================================================
diff -u -r38ff7a6fbf82b86ab1bac3b7b24c4ea33d5419f9 -r81ca79980a75ab71985d3d610bcef45fd6730458
--- App/Services/CommInterrupts.h	(.../CommInterrupts.h)	(revision 38ff7a6fbf82b86ab1bac3b7b24c4ea33d5419f9)
+++ App/Services/CommInterrupts.h	(.../CommInterrupts.h)	(revision 81ca79980a75ab71985d3d610bcef45fd6730458)
@@ -24,14 +24,18 @@
 #define SCI_DMA_TRANSMIT_INT            0x00010000
 #define SCI_DMA_RECEIVE_INT             0x00060000
 
-#define SCI1_TX_BUSY()                  ( ( sciREG->FLR & (uint32)SCI_TX_INT ) == 0U ? TRUE : FALSE )
-#define SCI1_TX_DMA_BUSY()              ( ( sciREG->CLEARINT & SCI_DMA_RECEIVE_INT ) != 0 ? TRUE : FALSE )
-#define SCI1_TX_IN_PROGRESS()           ( ( SCI1_TX_BUSY() == TRUE ) || ( SCI1_TX_DMA_BUSY() == TRUE ) ? TRUE : FALSE )
+// ********** public function prototypes **********
 
-#define SCI2_TX_BUSY()                  ( ( scilinREG->FLR & (uint32)SCI_TX_INT ) == 0U ? TRUE : FALSE )
-#define SCI2_TX_DMA_BUSY()              ( ( scilinREG->CLEARINT & SCI_DMA_RECEIVE_INT ) != 0 ? TRUE : FALSE )
-#define SCI2_TX_IN_PROGRESS()           ( ( SCI2_TX_BUSY() == TRUE ) || ( SCI2_TX_DMA_BUSY() == TRUE ) ? TRUE : FALSE )
+void setSCI1DMAReceiveInterrupt( void );
+void setSCI1DMATransmitInterrupt( void );
+void clearSCI1DMAReceiveInterrupt( void );
+void clearSCI1DMATransmitInterrupt( void );
+void setSCI2DMAReceiveInterrupt( void );
+void setSCI2DMATransmitInterrupt( void );
+void clearSCI2DMAReceiveInterrupt( void );
+void clearSCI2DMATransmitInterrupt( void );
 
-// ********** public function prototypes **********
+BOOL isSCI1DMATransmitInProgress( void );
+BOOL isSCI2DMATransmitInProgress( void );
 
 #endif