diff options
Diffstat (limited to 'lib/lufa/Projects/TempDataLogger/Lib/RTC.c')
| -rw-r--r-- | lib/lufa/Projects/TempDataLogger/Lib/RTC.c | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/lib/lufa/Projects/TempDataLogger/Lib/RTC.c b/lib/lufa/Projects/TempDataLogger/Lib/RTC.c deleted file mode 100644 index a5291eaf3c..0000000000 --- a/lib/lufa/Projects/TempDataLogger/Lib/RTC.c +++ /dev/null @@ -1,159 +0,0 @@ -/* - Copyright (C) Dean Camera, 2017. - - dean [at] fourwalledcubicle [dot] com - www.lufa-lib.org -*/ - -#include "RTC.h" - -#if defined(DUMMY_RTC) - -/** Current dummy RTC time and date */ -static volatile TimeDate_t DummyRTC_Count; - -void RTC_Init(void) -{ - DummyRTC_Count.Hour = 0; - DummyRTC_Count.Minute = 0; - DummyRTC_Count.Second = 0; - DummyRTC_Count.Day = 1; - DummyRTC_Count.Month = 1; - DummyRTC_Count.Year = 00; -} - -void RTC_Tick500ms(void) -{ - static bool HalfSecondElapsed = false; - - HalfSecondElapsed = !HalfSecondElapsed; - if (HalfSecondElapsed == false) - return; - - if (++DummyRTC_Count.Second < 60) - return; - - DummyRTC_Count.Second = 0; - - if (++DummyRTC_Count.Minute < 60) - return; - - DummyRTC_Count.Minute = 0; - - if (++DummyRTC_Count.Hour < 24) - return; - - DummyRTC_Count.Hour = 0; - - static const char MonthLength[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; - uint8_t DaysInMonth = MonthLength[DummyRTC_Count.Month - 1]; - - /* Check if we need to account for a leap year */ - if ((DummyRTC_Count.Month == 2) && - ((!(DummyRTC_Count.Year % 400)) || ((DummyRTC_Count.Year % 100) && !(DummyRTC_Count.Year % 4)))) - { - DaysInMonth++; - } - - if (++DummyRTC_Count.Day <= DaysInMonth) - return; - - DummyRTC_Count.Day = 1; - - if (++DummyRTC_Count.Month <= 12) - return; - - DummyRTC_Count.Month = 1; - DummyRTC_Count.Year++; -} - -bool RTC_SetTimeDate(const TimeDate_t* NewTimeDate) -{ - GlobalInterruptDisable(); - DummyRTC_Count = *NewTimeDate; - GlobalInterruptEnable(); - - return true; -} - -bool RTC_GetTimeDate(TimeDate_t* const TimeDate) -{ - GlobalInterruptDisable(); - *TimeDate = DummyRTC_Count; - GlobalInterruptEnable(); - - return true; -} - -#else - -void RTC_Init(void) -{ - /* Unused for a real external DS1307 RTC device */ -} - -void RTC_Tick500ms(void) -{ - /* Unused for a real external DS1307 RTC device */ -} - -bool RTC_SetTimeDate(const TimeDate_t* NewTimeDate) -{ - DS1307_DateTimeRegs_t NewRegValues; - const uint8_t WriteAddress = 0; - - // Convert new time data to the DS1307's time register layout - NewRegValues.Byte1.Fields.TenSec = (NewTimeDate->Second / 10); - NewRegValues.Byte1.Fields.Sec = (NewTimeDate->Second % 10); - NewRegValues.Byte1.Fields.CH = false; - NewRegValues.Byte2.Fields.TenMin = (NewTimeDate->Minute / 10); - NewRegValues.Byte2.Fields.Min = (NewTimeDate->Minute % 10); - NewRegValues.Byte3.Fields.TenHour = (NewTimeDate->Hour / 10); - NewRegValues.Byte3.Fields.Hour = (NewTimeDate->Hour % 10); - NewRegValues.Byte3.Fields.TwelveHourMode = false; - - // Convert new date data to the DS1307's date register layout - NewRegValues.Byte4.Fields.DayOfWeek = 0; - NewRegValues.Byte5.Fields.TenDay = (NewTimeDate->Day / 10); - NewRegValues.Byte5.Fields.Day = (NewTimeDate->Day % 10); - NewRegValues.Byte6.Fields.TenMonth = (NewTimeDate->Month / 10); - NewRegValues.Byte6.Fields.Month = (NewTimeDate->Month % 10); - NewRegValues.Byte7.Fields.TenYear = (NewTimeDate->Year / 10); - NewRegValues.Byte7.Fields.Year = (NewTimeDate->Year % 10); - - // Write the new Time and Date into the DS1307 - if (TWI_WritePacket(DS1307_ADDRESS, 10, &WriteAddress, sizeof(WriteAddress), - (uint8_t*)&NewRegValues, sizeof(DS1307_DateTimeRegs_t)) != TWI_ERROR_NoError) - { - return false; - } - - return true; -} - -bool RTC_GetTimeDate(TimeDate_t* const TimeDate) -{ - DS1307_DateTimeRegs_t CurrentRegValues; - const uint8_t ReadAddress = 0; - - // Read in the stored Time and Date from the DS1307 - if (TWI_ReadPacket(DS1307_ADDRESS, 10, &ReadAddress, sizeof(ReadAddress), - (uint8_t*)&CurrentRegValues, sizeof(DS1307_DateTimeRegs_t)) != TWI_ERROR_NoError) - { - return false; - } - - // Convert stored time value into decimal - TimeDate->Second = (CurrentRegValues.Byte1.Fields.TenSec * 10) + CurrentRegValues.Byte1.Fields.Sec; - TimeDate->Minute = (CurrentRegValues.Byte2.Fields.TenMin * 10) + CurrentRegValues.Byte2.Fields.Min; - TimeDate->Hour = (CurrentRegValues.Byte3.Fields.TenHour * 10) + CurrentRegValues.Byte3.Fields.Hour; - - // Convert stored date value into decimal - TimeDate->Day = (CurrentRegValues.Byte5.Fields.TenDay * 10) + CurrentRegValues.Byte5.Fields.Day; - TimeDate->Month = (CurrentRegValues.Byte6.Fields.TenMonth * 10) + CurrentRegValues.Byte6.Fields.Month; - TimeDate->Year = (CurrentRegValues.Byte7.Fields.TenYear * 10) + CurrentRegValues.Byte7.Fields.Year; - - return true; -} - -#endif |