1 files changed, 10 insertions, 1 deletions
diff --git a/lock/util.c b/lock/util.c
index 32a1fcf..683faa2 100644
--- a/lock/util.c
+++ b/lock/util.c
@@ -1,9 +1,18 @@
 #include <avr/io.h>
 #include <avr/interrupt.h>
-#include <avr/wdt.h>
+#include <util/delay.h>
 
 #include "util.h"
 
+int is_btn_pressed(uint8_t pin, uint8_t btn)
+{
+	if (!((pin >> btn) & 0x01)) {
+		_delay_us(2000);
+		return !((pin >> btn) & 0x01);
+	}
+	return 0;
+}
+
 void xor(const char *k, const char *s, char *d, uint8_t n)
 {
 	int i;