Добавлен переход на летнее/зимнее время; Добавлен эффект Белый огонь; Исправлены ошибки

libraries/Timezone/examples/tzTest/tzTest.ino

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+// Arduino Timezone Library Copyright (C) 2018 by Jack Christensen and
+// licensed under GNU GPL v3.0, https://www.gnu.org/licenses/gpl.html
+//
+// Arduino Timezone Library example sketch.
+// Sketch to verify operation of Timezone library.
+// Jack Christensen 14Nov2018
+
+#include <Timezone.h>   // https://github.com/JChristensen/Timezone
+#include <TimeLib.h>    // https://github.com/PaulStoffregen/Time
+
+// New Zealand Time Zone
+TimeChangeRule nzSTD = {"NZST", First, Sun, Apr, 3, 720};   // UTC + 12 hours
+TimeChangeRule nzDST = {"NZDT", Last, Sun, Sep, 2, 780};    // UTC + 13 hours
+Timezone nz(nzDST, nzSTD);
+
+// US Eastern Time Zone (New York, Detroit)
+TimeChangeRule etDST = {"EDT", Second, Sun, Mar, 2, -240};  // Daylight time = UTC - 4 hours
+TimeChangeRule etSTD = {"EST", First, Sun, Nov, 2, -300};   // Standard time = UTC - 5 hours
+Timezone et(etDST, etSTD);
+
+void setup()
+{
+    Serial.begin(115200);
+
+    // New Zealand
+    printTimes( 1,  4, 2018, nzSTD.hour, nzDST.offset, nz); // day, month, year, hour, offset, tz
+    printTimes(30,  9, 2018, nzDST.hour, nzSTD.offset, nz);
+    printTimes( 7,  4, 2019, nzSTD.hour, nzDST.offset, nz);
+    printTimes(29,  9, 2019, nzDST.hour, nzSTD.offset, nz);
+    printTimes( 5,  4, 2020, nzSTD.hour, nzDST.offset, nz);
+    printTimes(27,  9, 2020, nzDST.hour, nzSTD.offset, nz);
+
+    // US Eastern
+    printTimes(11,  3, 2018, etDST.hour, etSTD.offset, et); // day, month, year, hour, offset, tz
+    printTimes( 4, 11, 2018, etSTD.hour, etDST.offset, et);
+    printTimes(10,  3, 2019, etDST.hour, etSTD.offset, et);
+    printTimes( 3, 11, 2019, etSTD.hour, etDST.offset, et);
+    printTimes( 8,  3, 2020, etDST.hour, etSTD.offset, et);
+    printTimes( 1, 11, 2020, etSTD.hour, etDST.offset, et);
+}
+
+void loop() {}
+
+// print corresponding UTC and local times "n" seconds before and after the time change.
+// h is the hour to change the clock using the *current* time (i.e. before the change).
+// offset is the utc offset in minutes for the time *after* the change.
+void printTimes(uint8_t d, uint8_t m, int y, uint8_t h, int offset, Timezone tz)
+{
+    const time_t n(3);      // number of times to print before and after the time change
+    tmElements_t tm;
+    tm.Hour = h;
+    tm.Minute = 0;
+    tm.Second = 0;
+    tm.Day = d;
+    tm.Month = m;
+    tm.Year = y - 1970;     // offset from 1970
+    time_t utc = makeTime(tm) - offset * SECS_PER_MIN - n;
+
+    Serial.print(F("\n-------- "));
+    Serial.print(monthShortStr(m));
+    Serial.print('-');
+    Serial.print(y);
+    Serial.print(F(" time change --------\n"));
+
+    for (uint16_t i=0; i<n*2; i++)
+    {
+        TimeChangeRule *tcr;    // pointer to the time change rule, use to get TZ abbrev
+        time_t local = tz.toLocal(utc, &tcr);
+        printDateTime(utc, "UTC = ");
+        printDateTime(local, tcr -> abbrev);
+        Serial.println();
+        ++utc;
+    }
+}
+
+// format and print a time_t value, with a time zone appended.
+void printDateTime(time_t t, const char *tz)
+{
+    char buf[32];
+    char m[4];    // temporary storage for month string (DateStrings.cpp uses shared buffer)
+    strcpy(m, monthShortStr(month(t)));
+    sprintf(buf, "%.2d:%.2d:%.2d %s %.2d %s %d %s",
+        hour(t), minute(t), second(t), dayShortStr(weekday(t)), day(t), m, year(t), tz);
+    Serial.print(buf);
+}