feat: 全量同步 254 个常用的 Arduino 扩展库文件

arduino-libs/arduino-cli/libraries/yfrobot/RtcUtility.h

@@ -0,0 +1,19 @@
+
+#ifndef __RTCUTILITY_H__
+#define __RTCUTILITY_H__
+
+// ESP32 complains if not included
+#if defined(ARDUINO_ARCH_ESP32)
+#include <inttypes.h>
+#endif
+
+// for some reason, the DUE board support does not define this, even though other non AVR archs do
+#ifndef _BV
+#define _BV(b) (1UL << (b))
+#endif
+
+extern uint8_t BcdToUint8(uint8_t val);
+extern uint8_t Uint8ToBcd(uint8_t val);
+extern uint8_t BcdToBin24Hour(uint8_t bcdHour);
+
+#endif // __RTCUTILITY_H__