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zhang235hai

会员

注册时间： 2020-04-06

已发帖子： 212

积分： 165

使用ESP32可以成功获取到网络时间，怎么才能得到整形数据呢？我想显示到数码管上

使用ESP32可以成功获取到网络时间，怎么才能得到整形数据呢？我想显示到数码管上，谢谢大家！

#include <WiFi.h>
#include <time.h>

const char* ntpServer = "pool.ntp.org";
const long  gmtOffset_sec = 28800;
const int   daylightOffset_sec = 28800;

void smartConfig()
{
  WiFi.mode(WIFI_STA);
  Serial.println("\r\nWait for Smartconfig");
  delay(2000);// 等待配网
  WiFi.beginSmartConfig();

while (1)
  {
    Serial.print(".");
    delay(500);
    if (WiFi.smartConfigDone())
    {
      Serial.println("SmartConfig Success");
      Serial.printf("SSID:%s\r\n", WiFi.SSID().c_str());
      Serial.printf("PSW:%s\r\n", WiFi.psk().c_str());
      WiFi.setAutoConnect(true);  // 设置自动连接
      break;
    }
  }

  Serial.println("");
  Serial.println("WiFi connected");  
  Serial.println("IP address: ");
  Serial.println(WiFi.localIP());
}


void printLocalTime()
{
  struct tm timeinfo;
  if(!getLocalTime(&timeinfo))
  {
    Serial.println("Failed to obtain time");
    return;
  }
  Serial.println(&timeinfo, "%A, %B %d %Y %H:%M:%S");
}

void setup()
{
  {
    Serial.begin(115200);
    smartConfig();
  }

{
    while (WiFi.status() != WL_CONNECTED)
   {
      delay(500);
      Serial.print(".");
  }

  configTime(gmtOffset_sec, daylightOffset_sec, ntpServer);
  printLocalTime();
}
}
void loop()
{
  delay(1000);
  printLocalTime();
}

zhang235hai

会员

注册时间： 2020-04-06

已发帖子： 212

积分： 165

Re: 使用ESP32可以成功获取到网络时间，怎么才能得到整形数据呢？我想显示到数码管上

已经顺利实现时间的显示
做的比较丑陋大家不要笑话
代码也分享出来
实现了自动配网
手机需要下载ESPTOUCH这个软件

#include <WiFi.h>
#include <Arduino.h>
#include "NTPClient.h"



WiFiUDP ntpUDP; // 创建一个WIFI UDP连接
NTPClient timeClient(ntpUDP, "ntp1.aliyun.com", 60*60*8, 30*60*1000);

#define wei0 22 //左边的数码管
#define wei1 21  //右边的数码管
#define wei2 19 //左边的数码管
#define wei3 18  //右边的数码管
#define duan_a 26
#define duan_b 27
#define duan_c 13
#define duan_d 12
#define duan_e 14
#define duan_f 33
#define duan_g 32
#define duan_h 25

int duan[8] = {duan_a,duan_b,duan_c,duan_d,duan_e,duan_f,duan_g,duan_h};
int wei[4] = {wei0,wei1,wei2,wei3};
int displaywei[4] = {
    timeClient.getFormattedTime().substring(0,1).toInt(),
    timeClient.getFormattedTime().substring(1,2).toInt(),
    timeClient.getFormattedTime().substring(3,4).toInt(),
    timeClient.getFormattedTime().substring(4,5).toInt()};
int number[10][8] = {
  {0,0,0,0,0,0,1,1},
  {1,0,0,1,1,1,1,1},
  {0,0,1,0,0,1,0,1},
  {0,0,0,0,1,1,0,1},
  {1,0,0,1,1,0,0,1},
  {0,1,0,0,1,0,0,1},
  {0,1,0,0,0,0,0,1},
  {0,0,0,1,1,1,1,1},
  {0,0,0,0,0,0,0,1},
  {0,0,0,0,1,0,0,1}
};

void SmartConfig()
{
  WiFi.mode(WIFI_STA);
  Serial.println("\r\nWait for Smartconfig...");
  WiFi.beginSmartConfig();
  while (1)
  {
    Serial.print(".");
    delay(500);                   // wait for a second
    if (WiFi.smartConfigDone())
    {
      Serial.println("SmartConfig Success");
      Serial.printf("SSID:%s\r\n", WiFi.SSID().c_str());
      Serial.printf("PSW:%s\r\n", WiFi.psk().c_str());
      break;
    }
  }
}


bool AutoConfig()
{
    WiFi.begin();
    //如果觉得时间太长可改
    for (int i = 0; i < 20; i++)
    {
        int wstatus = WiFi.status();
        if (wstatus == WL_CONNECTED)
        {
          Serial.println("WIFI SmartConfig Success");
          Serial.printf("SSID:%s", WiFi.SSID().c_str());
          Serial.printf(", PSW:%s\r\n", WiFi.psk().c_str());
          Serial.print("LocalIP:");
          Serial.print(WiFi.localIP());
          Serial.print(" ,GateIP:");
          Serial.println(WiFi.gatewayIP());
          return true;
        }
        else
        {
          Serial.print("WIFI AutoConfig Waiting......");
          Serial.println(wstatus);
          delay(1000);
        }
    }
    Serial.println("WIFI AutoConfig Faild!" );
    return false;
}

void setup() {
  pinMode(wei0, OUTPUT);
  pinMode(wei1, OUTPUT);
  pinMode(wei2, OUTPUT);
  pinMode(wei3, OUTPUT);
  pinMode(duan_a, OUTPUT);
  pinMode(duan_b, OUTPUT);
  pinMode(duan_c, OUTPUT);
  pinMode(duan_d, OUTPUT);
  pinMode(duan_e, OUTPUT);
  pinMode(duan_f, OUTPUT);
  pinMode(duan_g, OUTPUT);
  pinMode(duan_h, OUTPUT);
  
  digitalWrite(wei0,LOW);
  digitalWrite(wei1,LOW);
  digitalWrite(wei2,LOW);
  digitalWrite(wei3,LOW);

  for (int i = 0; i < 8; i++)//以此显示数字0到9
    {
      digitalWrite(duan[i],HIGH);
      delay(50);
    }

  Serial.begin(115200);
  if (!AutoConfig())
  {
    SmartConfig();
  }
//  WiFi.begin(ssid, password);

  while ( WiFi.status() != WL_CONNECTED ) {
    delay ( 500 );
    Serial.print ( "." );
  }
  timeClient.begin();
}

void loop()
{
  timeClient.update();

//  Serial.println(timeClient.getFormattedTime());
  int shi_shiwei = timeClient.getFormattedTime().substring(0,1).toInt();
  int shi_gewei = timeClient.getFormattedTime().substring(1,2).toInt();
  int fen_shiwei = timeClient.getFormattedTime().substring(3,4).toInt();
  int fen_gewei = timeClient.getFormattedTime().substring(4,5).toInt();

        digitalWrite(wei[0],HIGH);
    for (int i = 0; i < 8; i++)//以此显示数字0到9
    {
      digitalWrite(duan[i],number[shi_shiwei][i]);
      }
    delay(2);
    digitalWrite(wei[0],LOW);

        digitalWrite(wei[1],HIGH);
    for (int i = 0; i < 8; i++)//以此显示数字0到9
    {
      digitalWrite(duan[i],number[shi_gewei][i]);
      }
    delay(2);
    digitalWrite(wei[1],LOW);

        digitalWrite(wei[2],HIGH);
    for (int i = 0; i < 8; i++)//以此显示数字0到9
    {
      digitalWrite(duan[i],number[fen_shiwei][i]);
      }
    delay(2);
    digitalWrite(wei[2],LOW);

        digitalWrite(wei[3],HIGH);
    for (int i = 0; i < 8; i++)//以此显示数字0到9
    {
      digitalWrite(duan[i],number[fen_gewei][i]);
      }
    delay(2);
    digitalWrite(wei[3],LOW);

}

zhang235hai

会员

注册时间： 2020-04-06

已发帖子： 212

积分： 165

Re: 使用ESP32可以成功获取到网络时间，怎么才能得到整形数据呢？我想显示到数码管上

漂亮啊，有没有小白入门教程?

可以到B站搜一下ESP32   有很多视频可以参考  我是自己搞着好玩的