If not, tm_year will be (1970 - 1900).if(timeinfo.tm_year<(2016-1900)){ESP_LOGI(TAG,"Time is not set yet. Connecting to WiFi and getting time over NTP.");obtain_time();// update 'now' variable with current timetime(&now);}#ifdefCONFIG_SNTP_TIME_SYNC_METHOD_SMOOTHelse{// add...
// NTP 设置 WiFiUDP ntpUDP; NTPClient timeClient(ntpUDP, "pool.ntp.org", 28800, 60000); // GMT+8, 60秒更新一次 /* More data bus class: https://github.com/moononournation/Arduino_GFX/wiki/Data-Bus-Class */ // 创建数据总线对象 Arduino_DataBus *bus = new Arduino_ESP32SPI( EXAMPL...
void sntpfn() { u32_t ts = 0; ts = sntp_get_current_timestamp(); // 获取当前的偏移时间 os_printf("current time : %s\n", sntp_get_real_time(ts)); // 获取真实时间 if (ts == 0) // 网络时间获取失败 { os_printf("did not get a valid time from sntp server\n"); } else...
长度200 /* 构建JSON的另外一种方法 */ DynamicJsonDocument doc(200); // 声明对象的另外一种方法,和上面的 StaticJsonDocument<200> jsonBuffer 一样 char string[100] = {"{\"time1\":45,\"time2\"
You may also like to read: High Resolution Timer (ESP Timer) with ESP-IDF ESP32 SNTP Module using ESP-IDF – Synchronize Time with NTP ESP32 ESP-IDF FreeRTOS Timer and Delay using ESP-IDF
import ntptime import utime import time import bluetooth from machine import Pin, SoftI2C, Timer, PWM, RTC from time import sleep_ms import ssd1306 import neopixel import machine rtc = RTC() class OLED_Screen(): def __init__(self): ...
NTP Client- Gets the current date and time from an NTP server and displays them on an LCD screen. MicroPython MQTT Weather Logger- Reads the current temperature + humidity every second and report changes to an MQTT server. ESP32 HTTP Server- Serves a web page that controls 2 LEDs. Requires...
a timestamp with a precision of approximately a few milliseconds of the Coordinated Universal time (UTC). This can be achieved without any supplementary hardware setup and costs. We will use the Network Time Protocol (NTP) server to request the current epoch time through our local WIFI network...
//For google geolocationWifiLocation location (Googlemaps_key);// Set time via NTP, as required for x.509 validationvoid setClock () { configTime (0, 0, "pool.ntp.org", "time.nist.gov"); Serial.print ("Waiting for NTP time sync: "); time_t now = time (nullptr); while (now ...
NTP Client get the time of day wifi scanner scan for a wifi connection wifi-init-1 start creating our own WiFi component Wifi Station-2 Connect to a router WiFi Error-3 catching WiFi errors WiFi AP-4 set up an AP WiFi Disconnection-5 ...