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This commit is contained in:
J. Nick Koston
2026-01-29 21:25:46 -06:00
parent d37c37ef62
commit d45a20af83
2 changed files with 26 additions and 25 deletions
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esphome/components/time/real_time_clock.cpp
+18 -9
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@@ -25,7 +25,21 @@ RealTimeClock::RealTimeClock() = default;
void RealTimeClock::dump_config() {
#ifdef USE_TIME_TIMEZONE
ESP_LOGCONFIG(TAG, "Timezone: '%s'", this->timezone_.c_str());
int std_hours = -this->parsed_tz_.std_offset_seconds / 3600;
int std_mins = abs(this->parsed_tz_.std_offset_seconds % 3600) / 60;
if (std_mins == 0) {
ESP_LOGCONFIG(TAG, "Timezone: UTC%+d", std_hours);
} else {
ESP_LOGCONFIG(TAG, "Timezone: UTC%+d:%02d", std_hours, std_mins);
}
if (this->parsed_tz_.has_dst) {
int dst_hours = -this->parsed_tz_.dst_offset_seconds / 3600;
ESP_LOGCONFIG(TAG, " DST: UTC%+d, M%d.%d.%d/%" PRId32 " - M%d.%d.%d/%" PRId32, dst_hours,
this->parsed_tz_.dst_start.month, this->parsed_tz_.dst_start.week,
this->parsed_tz_.dst_start.day_of_week, this->parsed_tz_.dst_start.time_seconds / 3600,
this->parsed_tz_.dst_end.month, this->parsed_tz_.dst_end.week, this->parsed_tz_.dst_end.day_of_week,
this->parsed_tz_.dst_end.time_seconds / 3600);
}
#endif
auto time = this->now();
ESP_LOGCONFIG(TAG, "Current time: %04d-%02d-%02d %02d:%02d:%02d", time.year, time.month, time.day_of_month, time.hour,
@@ -72,11 +86,6 @@ void RealTimeClock::synchronize_epoch_(uint32_t epoch) {
ret = settimeofday(&timev, nullptr);
}
#ifdef USE_TIME_TIMEZONE
// Move timezone back to local timezone.
this->apply_timezone_();
#endif
if (ret != 0) {
ESP_LOGW(TAG, "setimeofday() failed with code %d", ret);
}
@@ -89,10 +98,10 @@ void RealTimeClock::synchronize_epoch_(uint32_t epoch) {
}
#ifdef USE_TIME_TIMEZONE
void RealTimeClock::apply_timezone_() {
void RealTimeClock::apply_timezone_(const char *tz) {
// Parse the POSIX TZ string using our custom parser to avoid pulling in scanf (~7.6KB)
if (!parse_posix_tz(this->timezone_.c_str(), this->parsed_tz_)) {
ESP_LOGW(TAG, "Failed to parse timezone: %s", this->timezone_.c_str());
if (!parse_posix_tz(tz, this->parsed_tz_)) {
ESP_LOGW(TAG, "Failed to parse timezone: %s", tz);
// Reset to UTC on parse failure
this->parsed_tz_ = ParsedTimezone{};
}