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diff --git a/blink/blink.c b/blink/blink.c
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+/*
+ * spreadspace avr utils
+ *
+ *
+ * Copyright (C) 2013-2014 Christian Pointner <equinox@spreadspace.org>
+ *
+ * This file is part of spreadspace avr utils.
+ *
+ * spreadspace avr utils is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * spreadspace avr utils is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <avr/io.h>
+#include <util/delay.h>
+
+#include "util.h"
+#include "led.h"
+
+int main(void)
+{
+ cpu_init();
+ led_init();
+
+ led_off();
+ led2_on();
+ for(;;) {
+ _delay_ms(250);
+ led_toggle();
+ led2_toggle();
+ }
+}
+