feat: DS3231 RTC read/set with lost-power detection

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-07-17 19:55:47 +07:00
parent d042a94378
commit 2d52fcd851
3 changed files with 43 additions and 3 deletions
@@ -0,0 +1,13 @@
+#pragma once
+#include <Arduino.h>
+
+struct RtcTime {
+  uint16_t year;
+  uint8_t  month, day, hour, minute, second;
+};
+
+bool     rtcBegin();
+bool     rtcLostPower();
+RtcTime  rtcNow();
+void     rtcSet(const RtcTime& t);
+uint32_t rtcEpoch();