sTodo-m5paper-client/libraries/M5Unified/examples/Basic/Rtc/Rtc.ino
2025-06-30 20:47:33 +02:00

155 lines
3.5 KiB
C++

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