Serial.println("Failed to obtain time"); return; } //Serial.print(asctime(&timeInfo)); //默认打印格式:Mon Oct 25 11:13:29 2021 String date = WDAY_NAMES[timeInfo.tm_wday]; Serial.println(date.c_str()); // sprintf_P(buf
使用getLocalTime函数获取本地时间,并将其打印出来。 cpp #include <time.h> void setup() { // ... 其他设置代码 ... struct tm timeinfo; if (!getLocalTime(&timeinfo)) { Serial.println("Failed to obtain time"); return; } Serial.print("Local time: "); Serial.print(asctime...
println(" CONNECTED"); configTime(60*60*8, 0,"ntp1.aliyun.com","ntp2.aliyun.com", "ntp3.aliyun.com"); // 用的阿里云的服务器 while(!getLocalTime(&timeinfo))delay(10); } void loop() { if(!getLocalTime(&timeinfo)){Serial.println("Failed to obtain time");} Serial.println(...
void printLocalTime() { struct tm timeinfo; if (!getLocalTime(&timeinfo)) { display.println("Failed to obtain time"); return; } display.println(&timeinfo, "%F"); // 格式化输出 display.println(&timeinfo, "%T"); // 格式化输出 display.println(&timeinfo, "%A"); // 格式化输出 } ...
Serial.println("Failed to obtain time");return; } Serial.println(&timeinfo,"%F %T %A");// 格式化输出}voidsetup(){ Serial.begin(115200); Serial.println(); WiFi.begin(ssid, password);while(WiFi.status() != WL_CONNECTED) { delay(500); ...
//网络时钟显示函数voidtimer_show(){struct tm timeinfo;if(!getLocalTime(&timeinfo)){u8g2.clearBuffer();u8g2.setFontDirection(0);u8g2.setFont(u8g2_font_ncenB08_tr);u8g2.setCursor(0,40);u8g2.print("Failed to obtain time");u8g2.setCursor(2,55);u8g2.print(ipaddress);u8g2.se...
if (!getLocalTime(&timeinfo)) { Serial.println("Failed to obtain time"); return; } int hour = timeinfo.tm_hour % 12; // 获取12小时制的小时数 uint32_t color = getColorForShichen((hour == 0 ? 12 : hour) - 1); // 获取当前时辰的颜色 ...
printLocalTime(); //网络时钟显示函数voidtimer_show(){structtmtimeinfo;if(!getLocalTime(&timeinfo)) { u8g2.clearBuffer(); u8g2.setFontDirection(0); u8g2.setFont(u8g2_font_ncenB08_tr); u8g2.setCursor(0,40); u8g2.print("Failed to obtain time"); ...
printf("Failed to obtain time\r\n"); } unsigned int stop = millis(); if(current_seconds != timeinfo.tm_sec){ current_seconds = timeinfo.tm_sec; printf("Time: %s\r\n", get_formatted_time()); if(timeinfo.tm_sec == 0){ ...
Serial.println("Failed to open directory"); return; } if(!root.isDirectory()){ Serial.println("Not a directory"); return; } File file = root.openNextFile(); while(file){ if(file.isDirectory()){ Serial.print(" DIR : ");