97 lines
2.1 KiB
C++
97 lines
2.1 KiB
C++
#include "clock.h"
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#include <WiFi.h>
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#include "log.h"
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#include "wifi.h"
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#define CLOCK_GMT_OFFSET_SECONDS 3600
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#define CLOCK_DST_OFFSET_SECONDS 3600
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#define CLOCK_NTP_SERVER2_URL "de.pool.ntp.org"
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#define CLOCK_EPOCH_SECONDS_MIN 1735686000
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time_t clockOffset = 0;
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time_t startupTime = 0;
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auto ntpSet = false;
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void clockLoop() {
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if (isClockSet()) {
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return;
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}
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if (!ntpSet && isWiFiConnected()) {
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configTime(CLOCK_GMT_OFFSET_SECONDS, CLOCK_DST_OFFSET_SECONDS, CLOCK_NTP_SERVER2_URL, WiFi.gatewayIP().toString().c_str());
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ntpSet = true;
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}
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const auto now = time(nullptr);
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if (isCorrectTime(now)) {
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clockOffset = now;
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} else {
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startupTime = now - clockOffset;
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info("clock set after %ld seconds! So startup was at %s", clockOffset, getStartupStr());
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}
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}
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bool isClockSet() {
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return startupTime != 0;
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}
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char *getClockStr(const time_t epoch) {
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auto now = epoch;
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if (now == 0) {
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now = time(nullptr);
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}
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tm t{};
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localtime_r(&now, &t);
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static char buffer[20];
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snprintf(buffer, sizeof buffer, "%04d-%02d-%02d %02d:%02d:%02d", t.tm_year + 1900, t.tm_mon + 1, t.tm_mday, t.tm_hour, t.tm_min, t.tm_sec);
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return buffer;
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}
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char *getStartupStr() {
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return getClockStr(startupTime);
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}
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time_t getUptimeSeconds() {
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return time(nullptr) - startupTime;
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}
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char *getUptimeStr() {
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const auto totalSeconds = getUptimeSeconds();
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const auto totalMinutes = totalSeconds / 60;
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const auto totalHours = totalMinutes / 60;
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const auto partSeconds = totalSeconds % 60;
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const auto partMinutes = totalMinutes % 60;
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const auto partHours = totalHours % 24;
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const auto partDays = totalHours / 24;
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static char buffer[20];
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snprintf(buffer, sizeof buffer, "%dd %2dh %2dm %2ds", partDays, partHours, partMinutes, partSeconds);
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return buffer;
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}
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bool isCorrectTime(const time_t now) {
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return now < CLOCK_EPOCH_SECONDS_MIN;
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}
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time_t clockCorrect(const time_t t) {
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if (!isClockSet() || isCorrectTime(t)) {
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return t;
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}
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return t + clockOffset;
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}
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void clockCorrect(time_t *t) {
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if (!isClockSet() || isCorrectTime(*t)) {
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return;
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}
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*t += clockOffset;
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}
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