From f73e455a081410161c6e8e28776b302003801d12 Mon Sep 17 00:00:00 2001
From: Yuval Adam <yuval@y3xz.com>
Date: Fri, 25 Mar 2016 23:01:52 +0300
Subject: Move F_CPU from Makefile to blink.c

---
 blink/Makefile | 2 +-
 blink/blink.c  | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/blink/Makefile b/blink/Makefile
index de3d814..7f74630 100644
--- a/blink/Makefile
+++ b/blink/Makefile
@@ -1,7 +1,7 @@
 
 default:
 	# compile for attiny85 with warnings, optimizations, and 16.5MHz clock frequency
-	avr-gcc -Wall -Os -DF_CPU=16500000L -mmcu=attiny85 -o blink.o blink.c
+	avr-gcc -Wall -Os -mmcu=attiny85 -o blink.o blink.c
 	avr-objcopy -j .text -j .data -O ihex blink.o blink.hex
 
 clean: /dev/null
diff --git a/blink/blink.c b/blink/blink.c
index b4f747c..dbba981 100644
--- a/blink/blink.c
+++ b/blink/blink.c
@@ -1,5 +1,6 @@
 #include <avr/eeprom.h>
 #include <avr/io.h>
+#define F_CPU 16500000L  // 16.5 MHZ
 #include <util/delay.h>
 
 int main() {
-- 
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