1 files changed, 48 insertions, 0 deletions
diff --git a/include/rtc.h b/include/rtc.h
new file mode 100644
index 000000000..fdc5ad709
--- /dev/null
+++ b/include/rtc.h
@@ -0,0 +1,48 @@
+#ifndef GUARD_RTC_UTIL_H
+#define GUARD_RTC_UTIL_H
+
+#include "siirtc.h"
+
+#define RTC_INIT_ERROR         0x0001
+#define RTC_INIT_WARNING       0x0002
+
+#define RTC_ERR_12HOUR_CLOCK   0x0010
+#define RTC_ERR_POWER_FAILURE  0x0020
+#define RTC_ERR_INVALID_YEAR   0x0040
+#define RTC_ERR_INVALID_MONTH  0x0080
+#define RTC_ERR_INVALID_DAY    0x0100
+#define RTC_ERR_INVALID_HOUR   0x0200
+#define RTC_ERR_INVALID_MINUTE 0x0400
+#define RTC_ERR_INVALID_SECOND 0x0800
+
+#define RTC_ERR_FLAG_MASK      0x0FF0
+
+extern struct Time gLocalTime;
+
+void RtcDisableInterrupts(void);
+void RtcRestoreInterrupts(void);
+u32 ConvertBcdToBinary(u8 bcd);
+bool8 IsLeapYear(u8 year);
+u16 ConvertDateToDayCount(u8 year, u8 month, u8 day);
+u16 RtcGetDayCount(struct SiiRtcInfo *rtc);
+void RtcInit(void);
+u16 RtcGetErrorStatus(void);
+void RtcGetInfo(struct SiiRtcInfo *rtc);
+void RtcGetDateTime(struct SiiRtcInfo *rtc);
+void RtcGetStatus(struct SiiRtcInfo *rtc);
+void RtcGetRawInfo(struct SiiRtcInfo *rtc);
+u16 RtcCheckInfo(struct SiiRtcInfo *rtc);
+void RtcReset(void);
+void FormatDecimalTime(u8 *dest, s32 hour, s32 minute, s32 second);
+void FormatHexTime(u8 *dest, s32 hour, s32 minute, s32 second);
+void FormatHexRtcTime(u8 *dest);
+void FormatDecimalDate(u8 *dest, s32 year, s32 month, s32 day);
+void FormatHexDate(u8 *dest, s32 year, s32 month, s32 day);
+void RtcCalcTimeDifference(struct SiiRtcInfo *rtc, struct Time *result, struct Time *t);
+void RtcCalcLocalTime(void);
+void RtcInitLocalTimeOffset(s32 hour, s32 minute);
+void RtcCalcLocalTimeOffset(s32 days, s32 hours, s32 minutes, s32 seconds);
+void CalcTimeDifference(struct Time *result, struct Time *t1, struct Time *t2);
+u32 RtcGetMinuteCount(void);
+
+#endif // GUARD_RTC_UTIL_H