Index: firmware/App/Drivers/Comm.c
===================================================================
diff -u -r31f710004436c030e787c895980457e08577702d -r620033425435de1fab63396301aa2404a49f8777
--- firmware/App/Drivers/Comm.c	(.../Comm.c)	(revision 31f710004436c030e787c895980457e08577702d)
+++ firmware/App/Drivers/Comm.c	(.../Comm.c)	(revision 620033425435de1fab63396301aa2404a49f8777)
@@ -26,8 +26,8 @@
 
 // ********** private data **********
 
-static BOOL canXmitsInProgress = FALSE;
-static BOOL uartXmitsInProgress = FALSE;
+static volatile BOOL canXmitsInProgress = FALSE;
+static volatile BOOL uartXmitsInProgress = FALSE;
 
 /*************************************************************************
  * @brief signalCANXmitsInitiated