Bump to 1.4.0 with many new feats

extra/ctg_timelib/ctg_timelib.cpp

@@ -0,0 +1,104 @@
+#include "ctg_timelib.hpp"
+
+namespace CTG_TimeLib {
+  
+time_t tOffset = 0;
+struct tm m;
+
+#if (defined ( CTG_USE_tmElements_t ) || defined (CTG_USE_ALL_TimeLib_features))
+
+void setTime(int16_t hr,int16_t min,int16_t sec,int16_t dy, int16_t mnth, int16_t yr){
+ // year can be given as full four digit year or two digts (2010 or 10 for 2010);  
+ //it is converted to years since 1970
+  tmElements_t tem;
+  if( yr >= 1900) yr -= 1970;
+  else yr += 30;  
+  tem.Year = yr;
+  tem.Month = mnth;
+  tem.Day = dy;
+  tem.Wday = 0;
+  tem.Hour = hr;
+  tem.Minute = min;
+  tem.Second = sec;
+  setTime(makeTime(tem));
+}
+
+#define LEAP_YEAR(Y) ( ((1970+(Y))>0) && !((1970+(Y))%4) && ( ((1970+(Y))%100) || !((1970+(Y))%400) ) )
+static const uint8_t monthDays[]={31,28,31,30,31,30,31,31,30,31,30,31}; 
+
+void breakTime(time_t timeInput, tmElements_t &tm){
+// break the given time_t into time components
+// this is a more compact version of the C library localtime function
+// note that year is offset from 1970 !!!
+
+  uint8_t year;
+  uint8_t month, monthLength;
+  uint32_t time;
+  unsigned long days;
+  // API starts months from 1, this array starts from 0
+  time = (uint32_t)timeInput;
+  tm.Second = time % 60;
+  time /= 60; // now it is minutes
+  tm.Minute = time % 60;
+  time /= 60; // now it is hours
+  tm.Hour = time % 24;
+  time /= 24; // now it is days
+  tm.Wday = ((time + 4) % 7) + 1;  // Sunday is day 1 
+  
+  year = 0;  
+  days = 0;
+  while((unsigned)(days += (LEAP_YEAR(year) ? 366 : 365)) <= time) {
+    year++;
+  }
+  tm.Year = year; // year is offset from 1970 
+  
+  days -= LEAP_YEAR(year) ? 366 : 365;
+  time  -= days; // now it is days in this year, starting at 0
+  
+  days=0;
+  month=0;
+  monthLength=0;
+  for (month=0; month<12; month++) {
+    monthLength = monthDays[month];
+    if(LEAP_YEAR(year) && month==1) monthLength++;// february
+    if (time >= monthLength) 
+      time -= monthLength;
+    else  break;
+  }
+  tm.Month = month + 1;  // jan is month 1  
+  tm.Day = time + 1;     // day of month
+}
+
+time_t makeTime(const tmElements_t &tm){   
+// assemble time elements into time_t 
+// note year argument is offset from 1970 (see macros in time.h to convert to other formats)
+// previous version used full four digit year (or digits since 2000),i.e. 2009 was 2009 or 9
+  
+  int i;
+  uint32_t seconds;
+
+  // seconds from 1970 till 1 jan 00:00:00 of the given year
+  seconds= tm.Year*(86400 * 365);
+  for (i = 0; i < tm.Year; i++) {
+    if (LEAP_YEAR(i)) {
+      seconds +=  86400;   // add extra days for leap years
+    }
+  }
+  
+  // add days for this year, months start from 1
+  for (i = 1; i < tm.Month; i++) {
+    if ( (i == 2) && LEAP_YEAR(tm.Year)) { 
+      seconds += 86400 * 29;
+    } else {
+      seconds += 86400 * monthDays[i-1];  //monthDay array starts from 0
+    }
+  }
+  seconds+= (tm.Day-1) * 86400;
+  seconds+= tm.Hour * 3600;
+  seconds+= tm.Minute * 60;
+  seconds+= tm.Second;
+  return (time_t)seconds; 
+}
+#endif // CTG_USE_tmElements_t
+
+} //namespace