aboutsummaryrefslogtreecommitdiffstats
path: root/Projects/TempDataLogger/Lib/DS1307.c
diff options
context:
space:
mode:
Diffstat (limited to 'Projects/TempDataLogger/Lib/DS1307.c')
-rw-r--r--Projects/TempDataLogger/Lib/DS1307.c107
1 files changed, 93 insertions, 14 deletions
diff --git a/Projects/TempDataLogger/Lib/DS1307.c b/Projects/TempDataLogger/Lib/DS1307.c
index 0a702a333..d3ee95a77 100644
--- a/Projects/TempDataLogger/Lib/DS1307.c
+++ b/Projects/TempDataLogger/Lib/DS1307.c
@@ -7,9 +7,98 @@
#include "DS1307.h"
-bool DS1307_SetTimeDate(const TimeDate_t* NewTimeDate)
+#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)
{
-#if !defined(DUMMY_RTC)
DS1307_DateTimeRegs_t NewRegValues;
const uint8_t WriteAddress = 0;
@@ -38,22 +127,12 @@ bool DS1307_SetTimeDate(const TimeDate_t* NewTimeDate)
{
return false;
}
-#endif
return true;
}
-bool DS1307_GetTimeDate(TimeDate_t* const TimeDate)
+bool RTC_GetTimeDate(TimeDate_t* const TimeDate)
{
-#if defined(DUMMY_RTC)
- TimeDate->Hour = 1;
- TimeDate->Minute = 1;
- TimeDate->Second = 1;
-
- TimeDate->Day = 1;
- TimeDate->Month = 1;
- TimeDate->Year = 1;
-#else
DS1307_DateTimeRegs_t CurrentRegValues;
const uint8_t ReadAddress = 0;
@@ -73,8 +152,8 @@ bool DS1307_GetTimeDate(TimeDate_t* const TimeDate)
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;
-#endif
return true;
}
+#endif