first commit

application/rt-thread/t3e-pro/components/RTC_Clock/ESP32_Clock.c

@@ -54,6 +54,52 @@
  * EXTERNAL FUNCTIONS
  */
 
+
+ int isLeapYear(int year) 
+ {
+    return (year % 4 == 0 && year % 100 != 0) || (year % 400 == 0);
+}
+
+
+int daysInMonth(int year, int month) 
+{
+    if (month == 2) 
+    {
+        return isLeapYear(year) ? 29 : 28;
+    } 
+    else if (month == 4 || month == 6 || month == 9 || month == 11) 
+    {
+        return 30;
+    } 
+    else 
+    {
+        return 31;
+    }
+}
+
+
+long dateToEpoch(int year, int month, int day, int hour, int minute, int second) 
+{
+    int days = 0;
+
+    for (int y = 1970; y < year; y++) 
+    {
+        days += isLeapYear(y) ? 366 : 365;
+    }
+
+    for (int m = 1; m < month; m++) 
+    {
+        days += daysInMonth(year, m);
+    }
+
+    days += day - 1;
+
+    long seconds = days * 86400 + hour * 3600 + minute * 60 + second;
+
+    return seconds;
+
+
+}
 /*********************************************************************
  * LOCAL VARIABLES
  */

application/rt-thread/t3e-pro/components/RTC_Clock/ESP32_Clock.h

@@ -132,7 +132,7 @@ typedef struct
    * tm - pointer to UTC time struct
    */
   extern UTCTime esp32_ConvertUTCSecs( UTCTimeStruct *tm );
-
+  extern long dateToEpoch(int year, int month, int day, int hour, int minute, int second);
   /*
    * Update/Adjust the esp32 clock and timers
    * Msec - elapsed time in milli seconds