1 files changed, 54 insertions, 0 deletions
diff --git a/include/siirtc.h b/include/siirtc.h
new file mode 100644
index 000000000..5864f95b8
--- /dev/null
+++ b/include/siirtc.h
@@ -0,0 +1,54 @@
+#ifndef GUARD_RTC_H
+#define GUARD_RTC_H
+
+#include "gba/gba.h"
+
+#define SIIRTCINFO_INTFE  0x01 // frequency interrupt enable
+#define SIIRTCINFO_INTME  0x02 // per-minute interrupt enable
+#define SIIRTCINFO_INTAE  0x04 // alarm interrupt enable
+#define SIIRTCINFO_24HOUR 0x40 // 0: 12-hour mode, 1: 24-hour mode
+#define SIIRTCINFO_POWER  0x80 // power on or power failure occurred
+
+enum
+{
+    MONTH_JAN = 1,
+    MONTH_FEB,
+    MONTH_MAR,
+    MONTH_APR,
+    MONTH_MAY,
+    MONTH_JUN,
+    MONTH_JUL,
+    MONTH_AUG,
+    MONTH_SEP,
+    MONTH_OCT,
+    MONTH_NOV,
+    MONTH_DEC
+};
+
+struct SiiRtcInfo
+{
+    u8 year;
+    u8 month;
+    u8 day;
+    u8 dayOfWeek;
+    u8 hour;
+    u8 minute;
+    u8 second;
+    u8 status;
+    u8 alarmHour;
+    u8 alarmMinute;
+};
+
+void SiiRtcUnprotect();
+void SiiRtcProtect();
+u8 SiiRtcProbe();
+bool8 SiiRtcReset();
+bool8 SiiRtcGetStatus(struct SiiRtcInfo *rtc);
+bool8 SiiRtcSetStatus(struct SiiRtcInfo *rtc);
+bool8 SiiRtcGetDateTime(struct SiiRtcInfo *rtc);
+bool8 SiiRtcSetDateTime(struct SiiRtcInfo *rtc);
+bool8 SiiRtcGetTime(struct SiiRtcInfo *rtc);
+bool8 SiiRtcSetTime(struct SiiRtcInfo *rtc);
+bool8 SiiRtcSetAlarm(struct SiiRtcInfo *rtc);
+
+#endif // GUARD_RTC_H