TmeLib tests

It is now possible to use the internal vscode test tool with the cmake plugin to test timelib

tests/time.hpp

@@ -0,0 +1,31 @@
+#include <cstdint>
+#include <iostream>
+
+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 ofset 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};
+
+// 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) ) )
+
+// 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
+
+uint8_t IsDST(ts* tm);
+void breakTime(uint32_t timeInput, ts *tm);
+uint32_t makeTime(ts *tm);
+void toTimeZone(ts *utc, ts* local, int8_t timeZone);