From 276856de6c63bbbf3e56cc08dcca00ba10080b7e Mon Sep 17 00:00:00 2001
From: Sadeep Madurange <sadeep@asciimx.com>
Date: Sun, 7 Sep 2025 17:04:34 +0800
Subject: Door lock with MOSFETs and and without RFM.

---
 door_lock_rfm/util.h | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 door_lock_rfm/util.h

(limited to 'door_lock_rfm/util.h')

diff --git a/door_lock_rfm/util.h b/door_lock_rfm/util.h
new file mode 100644
index 0000000..84584aa
--- /dev/null
+++ b/door_lock_rfm/util.h
@@ -0,0 +1,27 @@
+#ifndef MY_UTIL_H
+#define MY_UTIL_H
+
+#include <stdint.h>
+
+#define KEY     "dM>}jdb,6gsnC$J^K 8(I5vyPemPs%;K"
+#define SYN     "dM>}jdb,6gsnC$J^K 8(I5vyPemPs%;O"
+#define LOCK    "R,I7l^E4j]KyLR9'*Q{Jd'zu.~!84}Ij"
+#define UNLOCK  "R,I7l^E4j]KyLR9'*Q{Jd'zu.~!84}IL"
+
+#define WDLEN   32
+
+int is_btn_pressed(uint8_t pin, uint8_t btn);
+
+void xor(const char *k, const char *s, char *d, uint8_t n);
+
+uint16_t getvcc(void);
+
+void led_init(void);
+
+void led_locked(void);
+
+void led_unlocked(void);
+
+void led_bat(void);
+
+#endif /* MY_UTIL_H */
-- 
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