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path: root/berry_fix/payload/src/rtc.c
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Diffstat (limited to 'berry_fix/payload/src/rtc.c')
-rw-r--r--berry_fix/payload/src/rtc.c346
1 files changed, 0 insertions, 346 deletions
diff --git a/berry_fix/payload/src/rtc.c b/berry_fix/payload/src/rtc.c
deleted file mode 100644
index e73f522aa..000000000
--- a/berry_fix/payload/src/rtc.c
+++ /dev/null
@@ -1,346 +0,0 @@
-#include "gba/gba.h"
-#include "siirtc.h"
-#include "global.h"
-#include "main.h"
-
-struct Time gTimeSinceBerryUpdate;
-struct Time gRtcUTCTime;
-
-static u16 sRtcProbeStatus;
-static struct SiiRtcInfo sRtcInfoBuffer;
-static u8 sRtcProbeCode;
-static u16 sImeBak;
-static struct SiiRtcInfo sRtcInfoWork;
-
-const struct SiiRtcInfo sDefaultRTC = {
- .year = 0, // 2000
- .month = 1, // January
- .day = 1, // 01
- .dayOfWeek = 0,
- .hour = 0,
- .minute = 0,
- .second = 0,
- .status = 0,
- .alarmHour = 0,
- .alarmMinute = 0
-};
-const s32 sDaysPerMonth[] = {
- 31,
- 28,
- 31,
- 30,
- 31,
- 30,
- 31,
- 31,
- 30,
- 31,
- 30,
- 31
-};
-
-void rtc_get_status_and_datetime(struct SiiRtcInfo *);
-u16 rtc_validate_datetime(struct SiiRtcInfo *);
-
-
-void rtc_intr_disable(void)
-{
- sImeBak = REG_IME;
- REG_IME = 0;
-}
-
-void rtc_intr_enable(void)
-{
- REG_IME = sImeBak;
-}
-
-s32 bcd_to_hex(u8 a0)
-{
- if (a0 >= 0xa0 || (a0 & 0xF) >= 10)
- return 0xFF;
- return ((a0 >> 4) & 0xF) * 10 + (a0 & 0xF);
-}
-
-bool8 is_leap_year(u8 year)
-{
- if ((year % 4 == 0 && year % 100 != 0) || year % 400 == 0)
- return TRUE;
- return FALSE;
-}
-
-u16 rtc_count_days_parameterized(u8 year, u8 month, u8 day)
-{
- u16 numDays = 0;
- s32 i;
- for (i = year - 1; i > 0; i--)
- {
- numDays += 365;
- if (is_leap_year(i) == TRUE)
- numDays++;
- }
- for (i = 0; i < month - 1; i++)
- numDays += sDaysPerMonth[i];
- if (month > MONTH_FEB && is_leap_year(year) == TRUE)
- numDays++;
- numDays += day;
- return numDays;
-}
-
-u16 rtc_count_days_from_info(struct SiiRtcInfo *info)
-{
- return rtc_count_days_parameterized(bcd_to_hex(info->year), bcd_to_hex(info->month), bcd_to_hex(info->day));
-}
-
-static void rtc_probe_status(void)
-{
- sRtcProbeStatus = 0;
- rtc_intr_disable();
- SiiRtcUnprotect();
- sRtcProbeCode = SiiRtcProbe();
- rtc_intr_enable();
- if ((sRtcProbeCode & 0xF) != 1)
- sRtcProbeStatus = 1;
- else
- {
- if (sRtcProbeCode & 0xF0)
- sRtcProbeStatus = 2;
- else
- sRtcProbeStatus = 0;
- rtc_get_status_and_datetime(&sRtcInfoBuffer);
- sRtcProbeStatus = rtc_validate_datetime(&sRtcInfoBuffer);
- }
-}
-
-u16 rtc_get_probe_status(void)
-{
- return sRtcProbeStatus;
-}
-
-void sub_020106EC(struct SiiRtcInfo * info)
-{
- if (sRtcProbeStatus & 0xFF0)
- *info = sDefaultRTC;
- else
- rtc_get_status_and_datetime(info);
-}
-
-void rtc_get_datetime(struct SiiRtcInfo * info)
-{
- rtc_intr_disable();
- SiiRtcGetDateTime(info);
- rtc_intr_enable();
-}
-
-void rtc_get_status(struct SiiRtcInfo * info)
-{
- rtc_intr_disable();
- SiiRtcGetStatus(info);
- rtc_intr_enable();
-}
-
-void rtc_get_status_and_datetime(struct SiiRtcInfo * info)
-{
- rtc_get_status(info);
- rtc_get_datetime(info);
-}
-
-u16 rtc_validate_datetime(struct SiiRtcInfo * info)
-{
- s32 year, month, day;
- u16 r4 = (info->status & SIIRTCINFO_POWER) ? 0x20 : 0;
- if (!(info->status & SIIRTCINFO_24HOUR))
- r4 |= 0x10;
- year = bcd_to_hex(info->year);
- if (year == 0xFF)
- r4 |= 0x40;
- month = bcd_to_hex(info->month);
- if (month == 0xFF || month == 0 || month > 12)
- r4 |= 0x80;
- day = bcd_to_hex(info->day);
- if (day == 0xFF)
- r4 |= 0x100;
- if (month == MONTH_FEB)
- {
- if (day > is_leap_year(year) + sDaysPerMonth[1])
- r4 |= 0x100;
- }
- else
- {
- if (day > sDaysPerMonth[month - 1])
- r4 |= 0x100;
- }
- day = bcd_to_hex(info->hour);
- if (day > 24)
- r4 |= 0x200;
- day = bcd_to_hex(info->minute);
- if (day > 60)
- r4 |= 0x400;
- day = bcd_to_hex(info->second);
- if (day > 60)
- r4 |= 0x800;
- return r4;
-}
-
-void rtc_reset(void)
-{
- rtc_intr_disable();
- SiiRtcReset();
- rtc_intr_enable();
-}
-
-void rtc_sub_time_from_datetime(struct SiiRtcInfo * datetime, struct Time * dest, struct Time * timediff)
-{
- u16 r4 = rtc_count_days_from_info(datetime);
- dest->seconds = bcd_to_hex(datetime->second) - timediff->seconds;
- dest->minutes = bcd_to_hex(datetime->minute) - timediff->minutes;
- dest->hours = bcd_to_hex(datetime->hour) - timediff->hours;
- dest->days = r4 - timediff->days;
- if (dest->seconds < 0)
- {
- dest->seconds += 60;
- dest->minutes--;
- }
- if (dest->minutes < 0)
- {
- dest->minutes += 60;
- dest->hours--;
- }
- if (dest->hours < 0)
- {
- dest->hours += 24;
- dest->days--;
- }
-}
-
-void rtc_sub_time_from_time(struct Time * dest, struct Time * diff, struct Time * src)
-{
- dest->seconds = src->seconds - diff->seconds;
- dest->minutes = src->minutes - diff->minutes;
- dest->hours = src->hours - diff->hours;
- dest->days = src->days - diff->days;
- if (dest->seconds < 0)
- {
- dest->seconds += 60;
- dest->minutes--;
- }
- if (dest->minutes < 0)
- {
- dest->minutes += 60;
- dest->hours--;
- }
- if (dest->hours < 0)
- {
- dest->hours += 24;
- dest->days--;
- }
-}
-
-bool32 rtc_maincb_is_rtc_working(void)
-{
- rtc_probe_status();
- if (rtc_get_probe_status() & 0xFF0)
- return FALSE;
- return TRUE;
-}
-
-void rtc_set_datetime(struct SiiRtcInfo * info)
-{
- vu16 imeBak = REG_IME;
- REG_IME = 0;
- SiiRtcSetDateTime(info);
- REG_IME = imeBak;
-}
-
-bool32 rtc_maincb_is_time_since_last_berry_update_positive(u8 * a0)
-{
- rtc_get_status_and_datetime(&sRtcInfoWork);
- *a0 = bcd_to_hex(sRtcInfoWork.year);
- rtc_sub_time_from_datetime(&sRtcInfoWork, &gRtcUTCTime, LocalTimeOffset);
- rtc_sub_time_from_time(&gTimeSinceBerryUpdate, LastBerryTreeUpdate, &gRtcUTCTime);
- if (gTimeSinceBerryUpdate.days * 1440 + gTimeSinceBerryUpdate.hours * 60 + gTimeSinceBerryUpdate.minutes >= 0)
- return TRUE;
- return FALSE;
-}
-
-u32 hex_to_bcd(u8 a0)
-{
- u32 r4;
- if (a0 > 99)
- return 0xFF;
- r4 = Div(a0, 10) << 4;
- r4 |= Mod(a0, 10);
- return r4;
-}
-
-void sii_rtc_inc(u8 * a0)
-{
- *a0 = hex_to_bcd(bcd_to_hex(*a0) + 1);
-}
-
-void sii_rtc_inc_month(struct SiiRtcInfo * a0)
-{
- sii_rtc_inc(&a0->month);
- if (bcd_to_hex(a0->month) > 12)
- {
- sii_rtc_inc(&a0->year);
- a0->month = MONTH_JAN;
- }
-}
-
-void sii_rtc_inc_day(struct SiiRtcInfo * a0)
-{
- sii_rtc_inc(&a0->day);
- if (bcd_to_hex(a0->day) > sDaysPerMonth[bcd_to_hex(a0->month) - 1])
- {
- if (!is_leap_year(bcd_to_hex(a0->year)) || bcd_to_hex(a0->month) != MONTH_FEB || bcd_to_hex(a0->day) != 29)
- {
- a0->day = 1;
- sii_rtc_inc_month(a0);
- }
- }
-}
-
-bool32 rtc_is_past_feb_28_2000(struct SiiRtcInfo * a0)
-{
- if (bcd_to_hex(a0->year) == 0)
- {
- if (bcd_to_hex(a0->month) == MONTH_JAN)
- return FALSE;
- if (bcd_to_hex(a0->month) > MONTH_FEB)
- return TRUE;
- if (bcd_to_hex(a0->day) == 29)
- return TRUE;
- return FALSE;
- }
- if (bcd_to_hex(a0->year) == 1)
- return TRUE;
- return FALSE;
-}
-
-void rtc_maincb_fix_date(void)
-{
- rtc_get_status_and_datetime(&sRtcInfoWork);
- if (bcd_to_hex(sRtcInfoWork.year) == 0 || bcd_to_hex(sRtcInfoWork.year) == 1)
- {
- if (bcd_to_hex(sRtcInfoWork.year) == 1)
- {
- sRtcInfoWork.year = 2;
- sRtcInfoWork.month = MONTH_JAN;
- sRtcInfoWork.day = 2;
- rtc_set_datetime(&sRtcInfoWork);
- }
- else
- {
- if (rtc_is_past_feb_28_2000(&sRtcInfoWork) == TRUE)
- {
- sii_rtc_inc_day(&sRtcInfoWork);
- sii_rtc_inc(&sRtcInfoWork.year);
- }
- else
- {
- sii_rtc_inc(&sRtcInfoWork.year);
- }
- rtc_set_datetime(&sRtcInfoWork);
- }
- }
-}
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