Index: firmware/App/Modes/OperationModes.c
===================================================================
diff -u -ra0aca1a4d87df989303b4f7f41208a4916861afa -r1bbf9da32e622975efed00b1a7589387a9829440
--- firmware/App/Modes/OperationModes.c	(.../OperationModes.c)	(revision a0aca1a4d87df989303b4f7f41208a4916861afa)
+++ firmware/App/Modes/OperationModes.c	(.../OperationModes.c)	(revision 1bbf9da32e622975efed00b1a7589387a9829440)
@@ -31,11 +31,11 @@
 
 // ********** private data **********
 
-static volatile BOOL modeRequest[NUM_OF_MODES - 1];
+static volatile BOOL modeRequest[ NUM_OF_MODES - 1 ];
 static OP_MODE currentMode = MODE_INIT;
 
 // this matrix determines legal transitions from one mode to another
-static const OP_MODE MODE_TRANSITION_TABLE[NUM_OF_MODES - 1][NUM_OF_MODES - 1] = {
+static const OP_MODE MODE_TRANSITION_TABLE[ NUM_OF_MODES - 1 ][ NUM_OF_MODES - 1 ] = {
 // from     to->    FAULT    SERVICE      INIT      STANBY   PRESCRIP.  OP.PARAMS  PRE-TREAT  TREATMENT  POST_TREA
         /* FAUL     */{ MODE_FAUL, MODE_SERV, MODE_NLEG, MODE_NLEG, MODE_NLEG, MODE_NLEG, MODE_NLEG, MODE_NLEG,
                         MODE_NLEG, },
@@ -77,7 +77,7 @@
     // initialize mode requests to none pending
     for ( i = 0; i < ( NUM_OF_MODES - 1 ); i++ )
     {
-        modeRequest[i] = FALSE;
+        modeRequest[ i ] = FALSE;
     }
 
     // start in init mode
@@ -111,7 +111,7 @@
 
     // any new mode requests?
     newMode = arbitrateModeRequest();   // will return current mode if no pending requests
-    newMode = MODE_TRANSITION_TABLE[currentMode][newMode];
+    newMode = MODE_TRANSITION_TABLE[ currentMode ][ newMode ];
 
     // is requested new mode valid and legal at this time?
     if ( newMode >= MODE_NLEG )
@@ -189,7 +189,7 @@
     if ( newMode < MODE_NLEG )
     {
         // make request
-        modeRequest[newMode] = TRUE;
+        modeRequest[ newMode ] = TRUE;
     }
     else
     {  // invalid mode requested
@@ -226,12 +226,12 @@
     U32 i;
 
     // block additional requests until after mode arbitration
-    // TODO - disable priority task
+    _disable_IRQ();
 
     // select highest priority mode request -or- current mode if no requests pending
     for ( i = 0; i < MODE_NLEG; i++ )
     {
-        if ( modeRequest[i] != FALSE )
+        if ( modeRequest[ i ] != FALSE )
         {
             reqMode = (OP_MODE)i;
             break;
@@ -241,11 +241,11 @@
     // clear all requests now that an arbitration winner is selected
     for ( i = 0; i < MODE_NLEG; i++ )
     {
-        modeRequest[i] = FALSE;
+        modeRequest[ i ] = FALSE;
     }
 
     // un-block requests
-    // TODO - enable priority task
+    _enable_IRQ();
 
     return reqMode;
 }