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63 lines
1.5 KiB
C++
63 lines
1.5 KiB
C++
#include "real_time_clock.h"
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#include "esphome/core/log.h"
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#ifdef USE_HOST
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#include <sys/time.h>
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#else
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#include "lwip/opt.h"
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#endif
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#ifdef USE_ESP8266
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#include "sys/time.h"
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#endif
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#ifdef USE_RP2040
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#include <sys/time.h>
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#endif
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#include <cerrno>
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#include <cinttypes>
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namespace esphome {
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namespace time {
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static const char *const TAG = "time";
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RealTimeClock::RealTimeClock() = default;
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void RealTimeClock::call_setup() {
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this->apply_timezone_();
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PollingComponent::call_setup();
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}
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void RealTimeClock::synchronize_epoch_(uint32_t epoch) {
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// Update UTC epoch time.
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struct timeval timev {
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.tv_sec = static_cast<time_t>(epoch), .tv_usec = 0,
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};
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ESP_LOGVV(TAG, "Got epoch %" PRIu32, epoch);
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struct timezone tz = {0, 0};
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int ret = settimeofday(&timev, &tz);
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if (ret == EINVAL) {
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// Some ESP8266 frameworks abort when timezone parameter is not NULL
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// while ESP32 expects it not to be NULL
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ret = settimeofday(&timev, nullptr);
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}
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// Move timezone back to local timezone.
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this->apply_timezone_();
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if (ret != 0) {
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ESP_LOGW(TAG, "setimeofday() failed with code %d", ret);
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}
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auto time = this->now();
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ESP_LOGD(TAG, "Synchronized time: %04d-%02d-%02d %02d:%02d:%02d", time.year, time.month, time.day_of_month, time.hour,
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time.minute, time.second);
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this->time_sync_callback_.call();
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}
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void RealTimeClock::apply_timezone_() {
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setenv("TZ", this->timezone_.c_str(), 1);
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tzset();
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}
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} // namespace time
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} // namespace esphome
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