Before git init

NTP/Core/Inc/Time.h

@@ -0,0 +1,45 @@
+#pragma once
+#include <stdint.h>
+#include "debug.h"
+
+// to transform a number of seconds into a current time you need to do some maths
+#define NUMBEROFSECONDSPERDAY 86400UL
+#define NUMBEROFSECONDSPERHOUR 3600UL
+#define NUMBEROFSECONDSPERMINUTE 60UL
+
+// leap year calculator expects year argument as years offset from 1970
+#define LEAP_YEAR(Y)     ( ((1970+(Y))>0) && !((1970+(Y))%4) && ( ((1970+(Y))%100) || !((1970+(Y))%400) ) )
+
+// you might not live in the UTC time zone, set up your delta time in hours
+#define UTC_DELTA_HOURS 1   // CET
+//#define UTC_DELTA_HOURS 2     // CEST
+/*Set offset time to adjust for your timezone, for example:
+  * GMT +1
+  * GMT +2
+  * GMT +8
+  * GMT -1
+  * GMT  0
+ */
+#define UTC_DELTA_MINUTES 0
+
+typedef struct {
+    uint8_t Second;         /* seconds */
+    uint8_t Minute;         /* minutes */
+    uint8_t Hour;           /* hours */
+    uint8_t Day;            /* day of the month */
+    uint8_t Month;          /* month */
+    int16_t Year;           /* year offset from 1970 */
+    uint8_t Wday;           /* day of the week */
+    uint8_t Yday;           /* day in the year */
+    uint8_t IsDST;          /* daylight saving time */
+
+    uint32_t unixtime;      /* seconds since 01.01.1970 00:00:00 UTC*/
+} ts;
+
+enum Wday_e {Sun = 1, Mon, Tue, Wed, Thu, Fri, Sat};
+
+uint8_t IsDST(ts* tm);
+void breakTime(uint32_t timeInput, ts *tm, uint8_t runIsDST);
+uint32_t makeTime(ts *tm, uint8_t runIsDST);
+void toTimeZone(ts *utc, ts* local, int8_t timeZone, uint8_t IsDST);
+void TimeDiff(ts* time1, ts* time2, ts* diff);