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-rw-r--r--examples/usartecho/makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/examples/usartecho/makefile b/examples/usartecho/makefile
index 48a713c..fa10cd2 100644
--- a/examples/usartecho/makefile
+++ b/examples/usartecho/makefile
@@ -4,6 +4,7 @@ MMCU = atmega328p
F_CPU = 16000000L
IOE_PREFIX = ../..
IOE_CFLAGS = -Os -ffunction-sections -fdata-sections -fshort-enums -Wall \
+ -DF_CPU=$(F_CPU) -mmcu=$(MMCU) \
-DCONFIG_IOE_USART_OUTBUFFER_SIZE=64 \
-DCONFIG_IOE_USART_OUTBUFFER_MODE=0 \
-DCONFIG_IOE_USART_BAUD=115200 \