2 files changed, 3 insertions, 2 deletions
diff --git a/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-NSEC/Makefile b/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-NSEC/Makefile
index e353c4ecb..10c6c1c35 100755
--- a/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-NSEC/Makefile
+++ b/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-NSEC/Makefile
@@ -5,7 +5,7 @@
 
 # Compiler options here.
 ifeq ($(USE_OPT),)
-  USE_OPT = -Og -ggdb -fomit-frame-pointer -falign-functions=16
+  USE_OPT = -O0 -ggdb -fomit-frame-pointer -falign-functions=16
 endif
 
 # C specific options here (added to USE_OPT).
diff --git a/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-NSEC/chconf.h b/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-NSEC/chconf.h
index 6c3bda7e0..8d645a087 100755
--- a/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-NSEC/chconf.h
+++ b/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED-NSEC/chconf.h
@@ -49,7 +49,8 @@
  * @details Frequency of the system timer that drives the system ticks. This
  *          setting also defines the system tick time unit.
  */
-#define CH_CFG_ST_FREQUENCY                 1000
+#define CH_CFG_ST_FREQUENCY                 1000              /* periodic tick. */
+//#define CH_CFG_ST_FREQUENCY                 (83000000 / 32) /* tick-less. */
 
 /**
  * @brief   Time intervals data size.