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2 changes: 2 additions & 0 deletions cores/esp8266/Arduino.h
Original file line number Diff line number Diff line change
Expand Up @@ -276,6 +276,8 @@ long secureRandom(long);
long secureRandom(long, long);
long map(long, long, long, long, long);

void setTZ(const char* tz);

void configTime(int timezone, int daylightOffset_sec, const char* server1,
const char* server2 = nullptr, const char* server3 = nullptr);

Expand Down
16 changes: 11 additions & 5 deletions cores/esp8266/time.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -186,17 +186,23 @@ void configTime(int timezone_sec, int daylightOffset_sec, const char* server1, c
/*** end of posix replacement ***/
}

void setTZ(const char* tz){

char tzram[strlen_P(tz) + 1];
memcpy_P(tzram, tz, sizeof(tzram));
setenv("TZ", tzram, 1/*overwrite*/);
tzset();
}

void configTime(const char* tz, const char* server1, const char* server2, const char* server3)
{
sntp_stop();

setServer(0, server1);
setServer(1, server2);
setServer(2, server3);
char tzram[strlen_P(tz) + 1];
memcpy_P(tzram, tz, sizeof(tzram));
setenv("TZ", tzram, 1/*overwrite*/);
tzset();

setTZ(tz);

sntp_init();
}