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-rw-r--r--lib/stm32f1/Makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/stm32f1/Makefile b/lib/stm32f1/Makefile
index 3d154aa..fa4dad1 100644
--- a/lib/stm32f1/Makefile
+++ b/lib/stm32f1/Makefile
@@ -25,7 +25,7 @@ CC = $(PREFIX)-gcc
AR = $(PREFIX)-ar
CFLAGS = -Os -g -Wall -Wextra -I../../include -fno-common \
-mcpu=cortex-m3 -mthumb -Wstrict-prototypes \
- -ffunction-sections -fdata-sections -MD
+ -ffunction-sections -fdata-sections -MD -DSTM32F1
# ARFLAGS = rcsv
ARFLAGS = rcs
OBJS = vector.o rcc.o gpio.o usart.o adc.o spi.o flash.o nvic.o \