Merge with e3d24894e6cb082a255328755604b04b0542b39e

diff --cc examples/os_simple/os_simple.c
index 576f9e90f6f020065e234e50f40584ae463a2410,576f9e90f6f020065e234e50f40584ae463a2410..d817ce5f7d00bad497dccc004e63988a8aee46c1
--- 1/examples/os_simple/os_simple.c
--- 2/examples/os_simple/os_simple.c
+++ b/examples/os_simple/os_simple.c
@@@ -18,7 -18,7 +18,7 @@@
  #include "Mcu.h"
  #include "arc.h"
  
--//#define USE_LDEBUG_PRINTF // Uncomment this to turn debug statements on.
++#define USE_LDEBUG_PRINTF // Uncomment this to turn debug statements on.
  #include "debug.h"
  
  // How many errors to keep in error log.