155 lines
3.5 KiB
C++
155 lines
3.5 KiB
C++
#if defined ( ARDUINO )
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#define WIFI_SSID "YOUR WIFI SSID NAME"
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#define WIFI_PASSWORD "YOUR WIFI PASSWORD"
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#define NTP_TIMEZONE "JST-9"
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#define NTP_SERVER1 "0.pool.ntp.org"
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#define NTP_SERVER2 "1.pool.ntp.org"
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#define NTP_SERVER3 "2.pool.ntp.org"
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#include <WiFi.h>
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// Different versions of the framework have different SNTP header file names and availability.
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#if __has_include (<esp_sntp.h>)
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#include <esp_sntp.h>
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#define SNTP_ENABLED 1
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#elif __has_include (<sntp.h>)
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#include <sntp.h>
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#define SNTP_ENABLED 1
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#endif
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#endif
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#ifndef SNTP_ENABLED
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#define SNTP_ENABLED 0
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#endif
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#include <M5Unified.h>
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void setup(void)
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{
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auto cfg = M5.config();
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cfg.external_rtc = true; // default=false. use Unit RTC.
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M5.begin(cfg);
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M5.Display.setEpdMode(m5gfx::epd_fastest);
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M5.setLogDisplayIndex(0);
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if (!M5.Rtc.isEnabled())
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{
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M5.Log.println("RTC not found.");
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for (;;) { M5.delay(500); }
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}
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M5.Log.println("RTC found.");
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// It is recommended to set UTC for the RTC and ESP32 internal clocks.
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/* /// setup RTC ( direct setting )
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// YYYY MM DD hh mm ss
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M5.Rtc.setDateTime( { { 2021, 12, 31 }, { 12, 34, 56 } } );
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//*/
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/// setup RTC ( NTP auto setting )
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configTzTime(NTP_TIMEZONE, NTP_SERVER1, NTP_SERVER2, NTP_SERVER3);
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#ifdef WiFi_h
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M5.Log.print("WiFi:");
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WiFi.begin( WIFI_SSID, WIFI_PASSWORD );
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for (int i = 20; i && WiFi.status() != WL_CONNECTED; --i)
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{
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M5.Log.print(".");
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M5.delay(500);
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}
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if (WiFi.status() == WL_CONNECTED) {
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M5.Log.println("\r\nWiFi Connected.");
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M5.Log.print("NTP:");
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#if SNTP_ENABLED
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while (sntp_get_sync_status() != SNTP_SYNC_STATUS_COMPLETED)
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{
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M5.Log.print(".");
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M5.delay(1000);
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}
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#else
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M5.delay(1600);
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struct tm timeInfo;
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while (!getLocalTime(&timeInfo, 1000))
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{
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M5.Log.print('.');
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};
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#endif
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M5.Log.println("\r\nNTP Connected.");
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time_t t = time(nullptr)+1; // Advance one second.
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while (t > time(nullptr)); /// Synchronization in seconds
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M5.Rtc.setDateTime( gmtime( &t ) );
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}
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else
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{
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M5.Log.println("\r\nWiFi none...");
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}
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#endif
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M5.Display.clear();
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}
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void loop(void)
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{
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static constexpr const char* const wd[7] = {"Sun","Mon","Tue","Wed","Thr","Fri","Sat"};
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M5.delay(500);
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auto dt = M5.Rtc.getDateTime();
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M5.Display.setCursor(0,0);
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M5.Log.printf("RTC UTC :%04d/%02d/%02d (%s) %02d:%02d:%02d\r\n"
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, dt.date.year
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, dt.date.month
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, dt.date.date
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, wd[dt.date.weekDay]
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, dt.time.hours
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, dt.time.minutes
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, dt.time.seconds
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);
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/// ESP32 internal timer
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auto t = time(nullptr);
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{
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auto tm = gmtime(&t); // for UTC.
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M5.Display.setCursor(0,20);
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M5.Log.printf("ESP32 UTC :%04d/%02d/%02d (%s) %02d:%02d:%02d\r\n",
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tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
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wd[tm->tm_wday],
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tm->tm_hour, tm->tm_min, tm->tm_sec);
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}
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{
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auto tm = localtime(&t); // for local timezone.
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M5.Display.setCursor(0,40);
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M5.Log.printf("ESP32 %s:%04d/%02d/%02d (%s) %02d:%02d:%02d\r\n", NTP_TIMEZONE,
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tm->tm_year+1900, tm->tm_mon+1, tm->tm_mday,
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wd[tm->tm_wday],
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tm->tm_hour, tm->tm_min, tm->tm_sec);
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}
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}
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#if !defined ( ARDUINO )
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extern "C" {
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void loopTask(void*)
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{
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setup();
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for (;;) {
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loop();
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}
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vTaskDelete(NULL);
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}
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void app_main()
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{
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xTaskCreatePinnedToCore(loopTask, "loopTask", 8192, NULL, 1, NULL, 1);
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}
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}
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#endif
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