Auswahl von Board (D1 mini/NodeMCU) und RTC (DS3231/DS1307/keine) vor dem Kompilieren
Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
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@@ -35,6 +35,9 @@ Am Anfang den ESP anlöten:
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## Flashen
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**Board und RTC wählen:** PlatformIO: Umgebung `<board>_<rtc>` mit Board `d1_mini` oder `nodemcu` und RTC `ds3231`, `ds1307` oder `keine` (z. B. `pio run -e nodemcu_ds3231 -t upload`). Arduino IDE: Board unter Werkzeuge wählen und oben in `arduino.ino` `RTC_MODUL_DS3231`, `RTC_MODUL_DS1307` oder `RTC_MODUL_KEINE` definieren (Standard: DS3231). Die RTC hängt an D2 (SDA) / D1 (SCL); der DS1307 braucht 5 V.
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1. Dieses Repo clonen (`git clone https://github.com/c3e/wordclock.git`)
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2. Die Arduino IDE installieren (https://www.arduino.cc/en/Main/Software)
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3. Die Datei `wordclock/wordclock.ino` in der Arduino IDE öffnen
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@@ -45,6 +48,7 @@ Am Anfang den ESP anlöten:
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8. Folgende installieren:
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* FastLED
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* WiFiManager
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* RTClib (Adafruit)
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9. Folgende Zip-Dateien herunterladen:
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* https://github.com/PaulStoffregen/Time/archive/master.zip
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* https://github.com/JChristensen/Timezone/archive/master.zip
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@@ -5,6 +5,31 @@
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#include <EEPROM.h>
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#include <time.h>
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#include <WiFiManager.h>
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#include <Wire.h>
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#include <sys/time.h>
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// ================= RTC =================
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// RTC-Modul waehlen (vor dem Kompilieren): RTC_MODUL_DS3231, RTC_MODUL_DS1307 oder RTC_MODUL_KEINE.
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// PlatformIO: ueber die Umgebung (siehe platformio.ini). Arduino IDE: hier eintragen.
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// Das Board (D1 mini / NodeMCU) waehlt man in der IDE bzw. ebenfalls ueber die Umgebung;
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// die Pinnamen D1/D2/D4 sind bei beiden identisch.
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#if !defined(RTC_MODUL_DS3231) && !defined(RTC_MODUL_DS1307) && !defined(RTC_MODUL_KEINE)
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#define RTC_MODUL_DS3231
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#endif
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#if defined(RTC_MODUL_DS3231) || defined(RTC_MODUL_DS1307)
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#include <RTClib.h>
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#define RTC_VORHANDEN
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#endif
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#if defined(RTC_MODUL_DS3231)
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RTC_DS3231 rtc;
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#elif defined(RTC_MODUL_DS1307)
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RTC_DS1307 rtc;
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#endif
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#define RTC_SDA D2
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#define RTC_SCL D1
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bool rtcOk = false;
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volatile bool ntpJustSynced = false;
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void onTimeSet(){ ntpJustSynced = true; }
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// ================= LED =================
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#define LED_PIN D4
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@@ -105,6 +130,35 @@ void loadSettings(){
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configTime(tzString.c_str(), ntpServer.c_str());
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}
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// Zeit aus der RTC uebernehmen (bis NTP erreichbar ist). Die RTC laeuft in UTC.
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void initRtc(){
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#ifdef RTC_VORHANDEN
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Wire.begin(RTC_SDA, RTC_SCL);
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if(!rtc.begin()) return;
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rtcOk = true;
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#if defined(RTC_MODUL_DS3231)
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bool valid = !rtc.lostPower();
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#else
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bool valid = rtc.isrunning();
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#endif
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DateTime n = rtc.now();
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if(valid && n.year() >= 2024){
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struct timeval tv = { (time_t)n.unixtime(), 0 };
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settimeofday(&tv, nullptr);
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ntpJustSynced = false; // der eigene Aufruf ist keine NTP-Zeit
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}
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#endif
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}
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// Nach jeder NTP-Synchronisation die RTC nachstellen.
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void updateRtcFromNtp(){
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#ifdef RTC_VORHANDEN
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if(!ntpJustSynced) return;
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ntpJustSynced = false;
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if(rtcOk && timeSynced()) rtc.adjust(DateTime((uint32_t)time(nullptr)));
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#endif
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}
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// ================= HELFER =================
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bool isNightTime(struct tm *t){
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if(!autoNight) return false;
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@@ -431,7 +485,9 @@ void setup(){
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pixels.clear();
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pixels.show();
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settimeofday_cb(onTimeSet);
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loadSettings();
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initRtc();
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WiFiManager wm;
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wm.autoConnect("Wortuhr");
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@@ -455,6 +511,7 @@ void setup(){
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void loop(){
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server.handleClient();
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updateRtcFromNtp();
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// Erst anzeigen, wenn die Zeit per NTP synchronisiert ist
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if(!timeSynced()) return;
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@@ -1,8 +1,40 @@
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[env:d1_mini]
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; Umgebung = Board + RTC-Modul waehlen, z.B.: pio run -e nodemcu_ds3231 -t upload
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; Board: d1_mini | nodemcu RTC: ds3231 | ds1307 | keine
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[common]
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platform = espressif8266
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board = d1_mini
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framework = arduino
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monitor_speed = 115200
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lib_deps =
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adafruit/Adafruit NeoPixel
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tzapu/WiFiManager
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adafruit/RTClib
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[board_d1_mini]
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board = d1_mini
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[board_nodemcu]
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board = nodemcuv2
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[env:d1_mini_ds3231]
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extends = common, board_d1_mini
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build_flags = -DRTC_MODUL_DS3231
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[env:d1_mini_ds1307]
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extends = common, board_d1_mini
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build_flags = -DRTC_MODUL_DS1307
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[env:d1_mini_keine]
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extends = common, board_d1_mini
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build_flags = -DRTC_MODUL_KEINE
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[env:nodemcu_ds3231]
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extends = common, board_nodemcu
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build_flags = -DRTC_MODUL_DS3231
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[env:nodemcu_ds1307]
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extends = common, board_nodemcu
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build_flags = -DRTC_MODUL_DS1307
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[env:nodemcu_keine]
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extends = common, board_nodemcu
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build_flags = -DRTC_MODUL_KEINE
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@@ -5,6 +5,31 @@
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#include <EEPROM.h>
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#include <time.h>
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#include <WiFiManager.h>
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#include <Wire.h>
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#include <sys/time.h>
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// ================= RTC =================
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// RTC-Modul waehlen (vor dem Kompilieren): RTC_MODUL_DS3231, RTC_MODUL_DS1307 oder RTC_MODUL_KEINE.
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// PlatformIO: ueber die Umgebung (siehe platformio.ini). Arduino IDE: hier eintragen.
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// Das Board (D1 mini / NodeMCU) waehlt man in der IDE bzw. ebenfalls ueber die Umgebung;
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// die Pinnamen D1/D2/D4 sind bei beiden identisch.
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#if !defined(RTC_MODUL_DS3231) && !defined(RTC_MODUL_DS1307) && !defined(RTC_MODUL_KEINE)
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#define RTC_MODUL_DS3231
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#endif
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#if defined(RTC_MODUL_DS3231) || defined(RTC_MODUL_DS1307)
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#include <RTClib.h>
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#define RTC_VORHANDEN
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#endif
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#if defined(RTC_MODUL_DS3231)
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RTC_DS3231 rtc;
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#elif defined(RTC_MODUL_DS1307)
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RTC_DS1307 rtc;
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#endif
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#define RTC_SDA D2
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#define RTC_SCL D1
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bool rtcOk = false;
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volatile bool ntpJustSynced = false;
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void onTimeSet(){ ntpJustSynced = true; }
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// ================= LED =================
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#define LED_PIN D4
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@@ -105,6 +130,35 @@ void loadSettings(){
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configTime(tzString.c_str(), ntpServer.c_str());
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}
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// Zeit aus der RTC uebernehmen (bis NTP erreichbar ist). Die RTC laeuft in UTC.
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void initRtc(){
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#ifdef RTC_VORHANDEN
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Wire.begin(RTC_SDA, RTC_SCL);
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if(!rtc.begin()) return;
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rtcOk = true;
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#if defined(RTC_MODUL_DS3231)
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bool valid = !rtc.lostPower();
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#else
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bool valid = rtc.isrunning();
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#endif
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DateTime n = rtc.now();
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if(valid && n.year() >= 2024){
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struct timeval tv = { (time_t)n.unixtime(), 0 };
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settimeofday(&tv, nullptr);
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ntpJustSynced = false; // der eigene Aufruf ist keine NTP-Zeit
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}
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#endif
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}
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// Nach jeder NTP-Synchronisation die RTC nachstellen.
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void updateRtcFromNtp(){
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#ifdef RTC_VORHANDEN
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if(!ntpJustSynced) return;
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ntpJustSynced = false;
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if(rtcOk && timeSynced()) rtc.adjust(DateTime((uint32_t)time(nullptr)));
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#endif
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}
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// ================= HELFER =================
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bool isNightTime(struct tm *t){
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if(!autoNight) return false;
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@@ -431,7 +485,9 @@ void setup(){
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pixels.clear();
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pixels.show();
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settimeofday_cb(onTimeSet);
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loadSettings();
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initRtc();
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WiFiManager wm;
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wm.autoConnect("Wortuhr");
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@@ -455,6 +511,7 @@ void setup(){
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void loop(){
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server.handleClient();
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updateRtcFromNtp();
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// Erst anzeigen, wenn die Zeit per NTP synchronisiert ist
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if(!timeSynced()) return;
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