From edf5f145013aa28ffbc7f19f874cd489a92f8449 Mon Sep 17 00:00:00 2001
From: rodri <rgl@antares-labs.eu>
Date: Sat, 5 Jun 2021 11:10:23 +0000
Subject: public release.

---
 c/timer/timer.c | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 c/timer/timer.c

(limited to 'c/timer/timer.c')

diff --git a/c/timer/timer.c b/c/timer/timer.c
new file mode 100644
index 0000000..f1231b1
--- /dev/null
+++ b/c/timer/timer.c
@@ -0,0 +1,23 @@
+#include <avr/io.h>
+
+enum{
+	Dcnt = 62499
+};
+
+int
+main()
+{
+	int led;
+
+	led = 1<<PB1;
+	DDRB |= led;
+	TCCR1B |= 1<<CS12;
+
+	for(;;){
+		if(TCNT1 >= Dcnt){
+			PORTB ^= led;
+			TCNT1 = 0;
+		}
+	}
+}
+
-- 
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