1 files changed, 2 insertions, 1 deletions
diff --git a/common.mk b/common.mk
index d9b981b..9006feb 100644
--- a/common.mk
+++ b/common.mk
@@ -31,6 +31,7 @@ OPENOCD_BOARD_DIR ?= /usr/share/openocd/scripts/board
 # the OPENOCD_BOARD_DIR directory.
 #
 OPENOCD_PROC_FILE ?= stm32f4discovery.cfg
+#OPENOCD_PROC_FILE ?= st_nucleo_f4.cfg
 
 # MCU selection parameters
 #
@@ -61,7 +62,7 @@ SIZE=arm-none-eabi-size
 GDB=arm-none-eabi-gdb
 OPENOCD=openocd
 
-CFLAGS  = -ggdb -O2 -Wall -Wextra -Warray-bounds
+CFLAGS  = -ggdb -O1 -Wall -Wextra -Warray-bounds
 CFLAGS += -mcpu=cortex-m4 -mthumb -mlittle-endian -mthumb-interwork
 CFLAGS += -mfloat-abi=hard -mfpu=fpv4-sp-d16
 CFLAGS += $(STDPERIPH_SETTINGS)