Index: firmware/App/Drivers/SafetyShutdown.c
===================================================================
diff -u -rdc0d9b087c609e71cacdb7f0395cccf29d749c00 -r2fe8834dda9d8f69068c151ff0474d915eef6eb5
--- firmware/App/Drivers/SafetyShutdown.c	(.../SafetyShutdown.c)	(revision dc0d9b087c609e71cacdb7f0395cccf29d749c00)
+++ firmware/App/Drivers/SafetyShutdown.c	(.../SafetyShutdown.c)	(revision 2fe8834dda9d8f69068c151ff0474d915eef6eb5)
@@ -27,22 +27,21 @@
 
 // ********** private definitions **********
 
-// pin I/O macros
-#define SAFETY_SPI1_PORT_MASK       0x00000010  // (CS[4] - re-purposed as output GPIO)
-#define SET_SAFETY_SHUTDOWN()       {mibspiREG1->PC3 |= SAFETY_SPI1_PORT_MASK;}
-#define CLR_SAFETY_SHUTDOWN()       {mibspiREG1->PC3 &= ~SAFETY_SPI1_PORT_MASK;}
+#define SAFETY_SPI1_PORT_MASK       0x00000010                                      ///< Safety shutdown GPIO port mask (CS[4] - re-purposed as output GPIO).
+#define SET_SAFETY_SHUTDOWN()       {mibspiREG1->PC3 |= SAFETY_SPI1_PORT_MASK;}     ///< Set safety shutdown GPIO macro.
+#define CLR_SAFETY_SHUTDOWN()       {mibspiREG1->PC3 &= ~SAFETY_SPI1_PORT_MASK;}    ///< Clear safety shutdown GPIO macro.
 
 // ********** private definitions **********
 
-static BOOL safetyShutdownActivated = FALSE;            ///< Status of safety shutdown signal.
-static BOOL safetyShutdownOverrideResetState = FALSE;   ///< Natural status of safety shutdown signal.  Used to restore state on override reset.
+static BOOL safetyShutdownActivated = FALSE;                                        ///< Status of safety shutdown signal.
+static BOOL safetyShutdownOverrideResetState = FALSE;                               ///< Natural status of safety shutdown signal.  Used to restore state on override reset.
 
 /*********************************************************************//**
  * @brief
- * The initSafetyShutdown function initializes the Safety Shutdown module.
+ * The initSafetyShutdown function initializes the safety shutdown module.
  * @details
  * Inputs : none
- * Outputs : Safety Shutdown module signal output set to initial state.
+ * Outputs : Safety shutdown module signal output set to initial state.
  * @return none
  *************************************************************************/
 void initSafetyShutdown( void )
@@ -55,7 +54,7 @@
  * The activateSafetyShutdown function activates the safety shutdown signal.
  * @details
  * Inputs : none
- * Outputs : Safety Shutdown signal output set to active state.
+ * Outputs : Safety shutdown signal output set to active state.
  * @return none
  *************************************************************************/
 void activateSafetyShutdown( void )
@@ -65,7 +64,7 @@
 
 /*********************************************************************//**
  * @brief
- * The isSafetyShutdownActivated function returns whether the safety shutdown \n
+ * The isSafetyShutdownActivated function returns whether the safety shutdown
  * signal has been activated.
  * @details
  * Inputs : none
@@ -79,8 +78,7 @@
 
 /*********************************************************************//**
  * @brief
- * The testSetSafetyShutdownOverride function overrides the HD safety \n
- * shutdown.
+ * The testSetSafetyShutdownOverride function overrides the HD safety shutdown.
  * @details
  * Inputs : none
  * Outputs : HD safety shutdown overridden
@@ -113,7 +111,7 @@
 
 /*********************************************************************//**
  * @brief
- * The testResetSafetyShutdownOverride function resets the override of the \n
+ * The testResetSafetyShutdownOverride function resets the override of the
  * HD safety shutdown.
  * @details
  * Inputs : none