improve RTC accuracy

include/globals.h

@@ -111,6 +111,5 @@ typedef struct {
 } sdsStatus_t;
 
 extern char clientId[20];   // unique clientID
-extern time_t _COMPILETIME; // epoch build time
 
 #endif

include/rtctime.h

@@ -12,7 +12,7 @@ extern RtcDS3231<TwoWire> Rtc; // make RTC instance globally available
 uint8_t rtc_init(void);
 uint8_t set_rtctime(time_t t);
 void sync_rtctime(void);
-time_t get_rtctime(void);
+time_t get_rtctime(uint16_t *msec);
 float get_rtctemp(void);
 
 #endif // _RTCTIME_H

include/timekeeper.h

@@ -10,8 +10,8 @@
 #include "dcf77.h"
 #include "esp_sntp.h"
 
-#define SECS_YR_2000  (946684800UL) // the time at the start of y2k
-#define GPS_UTC_DIFF 315964800UL // seconds diff between gps and utc epoch
+#define SECS_YR_2000 (946684800UL)    // the time at the start of y2k
+#define GPS_UTC_DIFF 315964800UL      // seconds diff between gps and utc epoch
 #define LEAP_SECS_SINCE_GPSEPOCH 18UL // state of 2021
 
 enum timesource_t { _gps, _rtc, _lora, _unsynced, _set };
@@ -33,7 +33,7 @@ bool timeIsValid(time_t const t);
 void calibrateTime(void);
 void IRAM_ATTR setMyTime(uint32_t t_sec, uint16_t t_msec,
                          timesource_t mytimesource);
-time_t compileTime(const String compile_date);
+time_t compileTime(void);
 time_t mkgmtime(const struct tm *ptm);
 TickType_t tx_Ticks(uint32_t framesize, unsigned long baud, uint32_t config,
                     int8_t rxPin, int8_t txPins);