diff options
author | ProjectRevoTPP <projectrevotpp@hotmail.com> | 2017-08-12 01:26:29 -0400 |
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committer | ProjectRevoTPP <projectrevotpp@hotmail.com> | 2017-08-12 01:26:29 -0400 |
commit | 1a8fe435e7deabf06029c8e50201136518e3af73 (patch) | |
tree | 9746f2f4f4901e81496465da485d0f5c8a647586 /src/rtc.c | |
parent | bb0cad7c072703f5a540e8c22c8e137267331f4d (diff) |
split out src/ directory into categorized subdirectories.
Diffstat (limited to 'src/rtc.c')
-rw-r--r-- | src/rtc.c | 349 |
1 files changed, 0 insertions, 349 deletions
diff --git a/src/rtc.c b/src/rtc.c deleted file mode 100644 index d73f943d2..000000000 --- a/src/rtc.c +++ /dev/null @@ -1,349 +0,0 @@ -#include "global.h" -#include "rtc.h" -#include "string_util.h" -#include "text.h" - -static u16 sErrorStatus; -static struct SiiRtcInfo sRtc; -static u8 sProbeResult; -static u16 sSavedIme; - -struct Time gLocalTime; - -static const struct SiiRtcInfo sRtcDummy = {0, MONTH_JAN, 1}; // 2000 Jan 1 - -static const s32 sNumDaysInMonths[12] = -{ - 31, - 28, - 31, - 30, - 31, - 30, - 31, - 31, - 30, - 31, - 30, - 31, -}; - -void RtcDisableInterrupts() -{ - sSavedIme = REG_IME; - REG_IME = 0; -} - -void RtcRestoreInterrupts() -{ - REG_IME = sSavedIme; -} - -u32 ConvertBcdToBinary(u8 bcd) -{ - if (bcd > 0x9F) - return 0xFF; - - if ((bcd & 0xF) <= 9) - return (10 * ((bcd >> 4) & 0xF)) + (bcd & 0xF); - else - return 0xFF; -} - -bool8 IsLeapYear(u8 year) -{ - if ((year % 4 == 0 && year % 100 != 0) || (year % 400 == 0)) - return TRUE; - - return FALSE; -} - -u16 ConvertDateToDayCount(u8 year, u8 month, u8 day) -{ - s32 i; - u16 dayCount = 0; - -#ifndef BUGFIX_BERRY - // The berry glitch was caused by not adding days for the year 2000. - for (i = year - 1; i > 0; i--) - { - dayCount += 365; - - if (IsLeapYear(i) == TRUE) - dayCount++; - } -#else - // The fix was to use "i >= 0" as the condition instead of "i > 0". - for (i = year - 1; i >= 0; i--) - { - dayCount += 365; - - if (IsLeapYear(i) == TRUE) - dayCount++; - } -#endif // BUGFIX_BERRY - - for (i = 0; i < month - 1; i++) - dayCount += sNumDaysInMonths[i]; - - if (month > MONTH_FEB && IsLeapYear(year) == TRUE) - dayCount++; - - dayCount += day; - - return dayCount; -} - -u16 RtcGetDayCount(struct SiiRtcInfo *rtc) -{ - u8 year = ConvertBcdToBinary(rtc->year); - u8 month = ConvertBcdToBinary(rtc->month); - u8 day = ConvertBcdToBinary(rtc->day); - return ConvertDateToDayCount(year, month, day); -} - -void RtcInit() -{ - sErrorStatus = 0; - - RtcDisableInterrupts(); - SiiRtcUnprotect(); - sProbeResult = SiiRtcProbe(); - RtcRestoreInterrupts(); - - if (!(sProbeResult & 0xF)) - { - sErrorStatus = RTC_INIT_ERROR; - return; - } - - if (sProbeResult & 0xF0) - sErrorStatus = RTC_INIT_WARNING; - else - sErrorStatus = 0; - - RtcGetRawInfo(&sRtc); - sErrorStatus = RtcCheckInfo(&sRtc); -} - -u16 RtcGetErrorStatus() -{ - return sErrorStatus; -} - -void RtcGetInfo(struct SiiRtcInfo *rtc) -{ - if (sErrorStatus & RTC_ERR_FLAG_MASK) - *rtc = sRtcDummy; - else - RtcGetRawInfo(rtc); -} - -void RtcGetDateTime(struct SiiRtcInfo *rtc) -{ - RtcDisableInterrupts(); - SiiRtcGetDateTime(rtc); - RtcRestoreInterrupts(); -} - -void RtcGetStatus(struct SiiRtcInfo *rtc) -{ - RtcDisableInterrupts(); - SiiRtcGetStatus(rtc); - RtcRestoreInterrupts(); -} - -void RtcGetRawInfo(struct SiiRtcInfo *rtc) -{ - RtcGetStatus(rtc); - RtcGetDateTime(rtc); -} - -u16 RtcCheckInfo(struct SiiRtcInfo *rtc) -{ - u16 errorFlags = 0; - s32 year; - s32 month; - s32 value; - - if (rtc->status & SIIRTCINFO_POWER) - errorFlags |= RTC_ERR_POWER_FAILURE; - - if (!(rtc->status & SIIRTCINFO_24HOUR)) - errorFlags |= RTC_ERR_12HOUR_CLOCK; - - year = ConvertBcdToBinary(rtc->year); - - if (year == 0xFF) - errorFlags |= RTC_ERR_INVALID_YEAR; - - month = ConvertBcdToBinary(rtc->month); - - if (month == 0xFF || month == 0 || month > 12) - errorFlags |= RTC_ERR_INVALID_MONTH; - - value = ConvertBcdToBinary(rtc->day); - - if (value == 0xFF) - errorFlags |= RTC_ERR_INVALID_DAY; - - if (month == MONTH_FEB) - { - if (value > IsLeapYear(year) + sNumDaysInMonths[month - 1]) - errorFlags |= RTC_ERR_INVALID_DAY; - } - else - { - if (value > sNumDaysInMonths[month - 1]) - errorFlags |= RTC_ERR_INVALID_DAY; - } - - value = ConvertBcdToBinary(rtc->hour); - - if (value > 24) - errorFlags |= RTC_ERR_INVALID_HOUR; - - value = ConvertBcdToBinary(rtc->minute); - - if (value > 60) - errorFlags |= RTC_ERR_INVALID_MINUTE; - - value = ConvertBcdToBinary(rtc->second); - - if (value > 60) - errorFlags |= RTC_ERR_INVALID_SECOND; - - return errorFlags; -} - -void RtcReset() -{ - RtcDisableInterrupts(); - SiiRtcReset(); - RtcRestoreInterrupts(); -} - -void FormatDecimalTime(u8 *dest, s32 hour, s32 minute, s32 second) -{ - dest = ConvertIntToDecimalStringN(dest, hour, STR_CONV_MODE_LEADING_ZEROS, 2); - *dest++ = CHAR_COLON; - dest = ConvertIntToDecimalStringN(dest, minute, STR_CONV_MODE_LEADING_ZEROS, 2); - *dest++ = CHAR_COLON; - dest = ConvertIntToDecimalStringN(dest, second, STR_CONV_MODE_LEADING_ZEROS, 2); - *dest = EOS; -} - -void FormatHexTime(u8 *dest, s32 hour, s32 minute, s32 second) -{ - dest = ConvertIntToHexStringN(dest, hour, STR_CONV_MODE_LEADING_ZEROS, 2); - *dest++ = CHAR_COLON; - dest = ConvertIntToHexStringN(dest, minute, STR_CONV_MODE_LEADING_ZEROS, 2); - *dest++ = CHAR_COLON; - dest = ConvertIntToHexStringN(dest, second, STR_CONV_MODE_LEADING_ZEROS, 2); - *dest = EOS; -} - -void FormatHexRtcTime(u8 *dest) -{ - FormatHexTime(dest, sRtc.hour, sRtc.minute, sRtc.second); -} - -void FormatDecimalDate(u8 *dest, s32 year, s32 month, s32 day) -{ - dest = ConvertIntToDecimalStringN(dest, year, STR_CONV_MODE_LEADING_ZEROS, 4); - *dest++ = CHAR_HYPHEN; - dest = ConvertIntToDecimalStringN(dest, month, STR_CONV_MODE_LEADING_ZEROS, 2); - *dest++ = CHAR_HYPHEN; - dest = ConvertIntToDecimalStringN(dest, day, STR_CONV_MODE_LEADING_ZEROS, 2); - *dest = EOS; -} - -void FormatHexDate(u8 *dest, s32 year, s32 month, s32 day) -{ - dest = ConvertIntToHexStringN(dest, year, STR_CONV_MODE_LEADING_ZEROS, 4); - *dest++ = CHAR_HYPHEN; - dest = ConvertIntToHexStringN(dest, month, STR_CONV_MODE_LEADING_ZEROS, 2); - *dest++ = CHAR_HYPHEN; - dest = ConvertIntToHexStringN(dest, day, STR_CONV_MODE_LEADING_ZEROS, 2); - *dest = EOS; -} - -void RtcCalcTimeDifference(struct SiiRtcInfo *rtc, struct Time *result, struct Time *t) -{ - u16 days = RtcGetDayCount(rtc); - result->seconds = ConvertBcdToBinary(rtc->second) - t->seconds; - result->minutes = ConvertBcdToBinary(rtc->minute) - t->minutes; - result->hours = ConvertBcdToBinary(rtc->hour) - t->hours; - result->days = days - t->days; - - if (result->seconds < 0) - { - result->seconds += 60; - --result->minutes; - } - - if (result->minutes < 0) - { - result->minutes += 60; - --result->hours; - } - - if (result->hours < 0) - { - result->hours += 24; - --result->days; - } -} - -void RtcCalcLocalTime() -{ - RtcGetInfo(&sRtc); - RtcCalcTimeDifference(&sRtc, &gLocalTime, &gSaveBlock2.localTimeOffset); -} - -void RtcInitLocalTimeOffset(s32 hour, s32 minute) -{ - RtcCalcLocalTimeOffset(0, hour, minute, 0); -} - -void RtcCalcLocalTimeOffset(s32 days, s32 hours, s32 minutes, s32 seconds) -{ - gLocalTime.days = days; - gLocalTime.hours = hours; - gLocalTime.minutes = minutes; - gLocalTime.seconds = seconds; - RtcGetInfo(&sRtc); - RtcCalcTimeDifference(&sRtc, &gSaveBlock2.localTimeOffset, &gLocalTime); -} - -void CalcTimeDifference(struct Time *result, struct Time *t1, struct Time *t2) -{ - result->seconds = t2->seconds - t1->seconds; - result->minutes = t2->minutes - t1->minutes; - result->hours = t2->hours - t1->hours; - result->days = t2->days - t1->days; - - if (result->seconds < 0) - { - result->seconds += 60; - --result->minutes; - } - - if (result->minutes < 0) - { - result->minutes += 60; - --result->hours; - } - - if (result->hours < 0) - { - result->hours += 24; - --result->days; - } -} - -u32 RtcGetMinuteCount() -{ - RtcGetInfo(&sRtc); - return (24 * 60) * RtcGetDayCount(&sRtc) + 60 * sRtc.hour + sRtc.minute; -} |