internal changes, remove useless things

src/rtc.cpp

@@ -14,23 +14,8 @@ void timeToDateTime(time_t t, struct RX8010SJ::DateTime* dateTime) {
     dateTime->hour = timeinfo->tm_hour;
     dateTime->dayOfWeek = (timeinfo->tm_wday + 6) % 7;
     dateTime->dayOfMonth = timeinfo->tm_mday;
-    dateTime->month = timeinfo->tm_mon + 1; // tm_mon is 0-11, convert to 1-12
-    dateTime->year = (timeinfo->tm_year + 1900) % 100; // Get last 2 digits
-}
-
-time_t timegm(struct tm *tm) {
-    // https://linux.die.net/man/3/timegm
-    time_t ret;
-    char *tz;
-
-    tz = getenv("TZ");
-    setenv("TZ", "", 1);
-    tzset();
-    ret = mktime(tm);
-    if (tz) setenv("TZ", tz, 1);
-    else unsetenv("TZ");
-    tzset();
-    return ret;
+    dateTime->month = timeinfo->tm_mon + 1;
+    dateTime->year = (timeinfo->tm_year + 1900) % 100;
 }
 
 time_t dateTimeToTime(const struct RX8010SJ::DateTime* dateTime) {
@@ -42,17 +27,19 @@ time_t dateTimeToTime(const struct RX8010SJ::DateTime* dateTime) {
     timeinfo.tm_mon = dateTime->month - 1;
     timeinfo.tm_year = dateTime->year + 100;
     timeinfo.tm_isdst = 0;
-    return timegm(&timeinfo);
+    return mktime(&timeinfo);
 }
 
-void sync_to_rx_rtc(int32_t offset) {
-    if(!rx_rtc_avail) return;
-    RX8010SJ::DateTime rx_currenttime = RX8010SJ::DateTime();
-    timeToDateTime(rtc.getEpoch() + offset, &rx_currenttime);
-    rx_rtc.writeDateTime(rx_currenttime);
-}
 void sync_from_rx_rtc(int32_t offset) {
     if(!rx_rtc_avail) return;
     RX8010SJ::DateTime dateTime = rx_rtc.readDateTime();
     rtc.setTime(dateTimeToTime(&dateTime) + offset);
+}
+
+void set_time(time_t time) {
+    rtc.setTime(time);
+    if(!rx_rtc_avail) return;
+    RX8010SJ::DateTime rx_currenttime = RX8010SJ::DateTime();
+    timeToDateTime(time, &rx_currenttime);
+    rx_rtc.writeDateTime(rx_currenttime);
 }