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Jul 22, 2021
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Examples update, add a note for configTime() #5343

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6b10209
Examples update, add a note for configTime() that only one ntp server…
vortigont Jul 1, 2021
d49bbe3
Merge branch 'master' into ntpexamples
vortigont Jul 18, 2021
5898919
Merge branch 'master' into ntpexamples
me-no-dev Jul 19, 2021
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4 changes: 4 additions & 0 deletions cores/esp32/esp32-hal-time.c
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Original file line number Diff line number Diff line change
Expand Up @@ -44,6 +44,8 @@ static void setTimeZone(long offset, int daylight)
/*
* configTime
* Source: https://github.com/esp8266/Arduino/blob/master/cores/esp8266/time.c
* Note: Bundled Arduino lwip supports only ONE ntp server, 2nd and 3rd options are silently ignored
* see CONFIG_LWIP_DHCP_MAX_NTP_SERVERS define in ./tools/sdk/esp32/sdkconfig
* */
void configTime(long gmtOffset_sec, int daylightOffset_sec, const char* server1, const char* server2, const char* server3)
{
Expand All @@ -63,6 +65,8 @@ void configTime(long gmtOffset_sec, int daylightOffset_sec, const char* server1,
/*
* configTzTime
* sntp setup using TZ environment variable
* Note: Bundled Arduino lwip supports only ONE ntp server, 2nd and 3rd options are silently ignored
* see CONFIG_LWIP_DHCP_MAX_NTP_SERVERS define in ./tools/sdk/esp32/sdkconfig
* */
void configTzTime(const char* tz, const char* server1, const char* server2, const char* server3)
{
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4 changes: 4 additions & 0 deletions libraries/FFat/examples/FFat_time/FFat_time.ino
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Expand Up @@ -148,6 +148,10 @@ void setup(){
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
Serial.println("Contacting Time Server");
/*
Note: Bundled Arduino lwip supports only ONE ntp server, 2nd and 3rd options are silently ignored
see CONFIG_LWIP_DHCP_MAX_NTP_SERVERS define in ./tools/sdk/esp32/sdkconfig
*/
configTime(3600*timezone, daysavetime*3600, "time.nist.gov", "0.pool.ntp.org", "1.pool.ntp.org");
struct tm tmstruct ;
delay(2000);
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4 changes: 4 additions & 0 deletions libraries/HTTPUpdate/examples/httpUpdateSecure/httpUpdateSecure.ino
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Expand Up @@ -17,6 +17,10 @@ WiFiMulti WiFiMulti;

// Set time via NTP, as required for x.509 validation
void setClock() {
/*
Note: Bundled Arduino lwip supports only ONE ntp server, 2nd and 3rd options are silently ignored
see CONFIG_LWIP_DHCP_MAX_NTP_SERVERS define in ./tools/sdk/esp32/sdkconfig
*/
configTime(0, 0, "pool.ntp.org", "time.nist.gov"); // UTC

Serial.print(F("Waiting for NTP time sync: "));
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4 changes: 4 additions & 0 deletions libraries/LittleFS/examples/LITTLEFS_time/LITTLEFS_time.ino
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Expand Up @@ -160,6 +160,10 @@ void setup(){
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
Serial.println("Contacting Time Server");
/*
Note: Bundled Arduino lwip supports only ONE ntp server, 2nd and 3rd options are silently ignored
see CONFIG_LWIP_DHCP_MAX_NTP_SERVERS define in ./tools/sdk/esp32/sdkconfig
*/
configTime(3600*timezone, daysavetime*3600, "time.nist.gov", "0.pool.ntp.org", "1.pool.ntp.org");
struct tm tmstruct ;
delay(2000);
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4 changes: 4 additions & 0 deletions libraries/SD/examples/SD_time/SD_time.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -164,6 +164,10 @@ void setup(){
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
Serial.println("Contacting Time Server");
/*
Note: Bundled Arduino lwip supports only ONE ntp server, 2nd and 3rd options are silently ignored
see CONFIG_LWIP_DHCP_MAX_NTP_SERVERS define in ./tools/sdk/esp32/sdkconfig
*/
configTime(3600*timezone, daysavetime*3600, "time.nist.gov", "0.pool.ntp.org", "1.pool.ntp.org");
struct tm tmstruct ;
delay(2000);
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4 changes: 4 additions & 0 deletions libraries/SD_MMC/examples/SDMMC_time/SDMMC_time.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -164,6 +164,10 @@ void setup(){
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
Serial.println("Contacting Time Server");
/*
Note: Bundled Arduino lwip supports only ONE ntp server, 2nd and 3rd options are silently ignored
see CONFIG_LWIP_DHCP_MAX_NTP_SERVERS define in ./tools/sdk/esp32/sdkconfig
*/
configTime(3600*timezone, daysavetime*3600, "time.nist.gov", "0.pool.ntp.org", "1.pool.ntp.org");
struct tm tmstruct ;
delay(2000);
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4 changes: 4 additions & 0 deletions libraries/SPIFFS/examples/SPIFFS_time/SPIFFS_time.ino
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Original file line number Diff line number Diff line change
Expand Up @@ -148,6 +148,10 @@ void setup(){
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
Serial.println("Contacting Time Server");
/*
Note: Bundled Arduino lwip supports only ONE ntp server, 2nd and 3rd options are silently ignored
see CONFIG_LWIP_DHCP_MAX_NTP_SERVERS define in ./tools/sdk/esp32/sdkconfig
*/
configTime(3600*timezone, daysavetime*3600, "time.nist.gov", "0.pool.ntp.org", "1.pool.ntp.org");
struct tm tmstruct ;
delay(2000);
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