[AVR]ES8266模块-网络时钟-数码管显示 [复制链接]

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离线mckk520

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只看楼主倒序阅读我要置顶楼主发表于: 2019-01-05

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模块直连上网获取网络时间,并且数码管显示,加网页显示,手机可WEB重置WIFI,也可以按键呼出快连程序,扫描二维码即可连接WIFI
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程序

复制代码

#include <Arduino.h>
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <FS.h>
#include <ESP8266WiFiMulti.h>
#include <ESP8266HTTPClient.h>
#include <string.h>
#include <ESP8266mDNS.h>
#include <WiFiUdp.h>
ESP8266WebServer server(80);
//=========== 按键及输出IO定义 =====================
//TM1620模块引脚定义
#define DIO 15
#define CLK 4
#define STB 5 //这里定义了那三个脚
#define KEY1 0 //GPIO 0
#define LED 2 //esp模块板载LED蓝色
#define bi 12 //
//==========================================
int CWD=0;
unsigned long new_time;
//=========== 全局数据,定义 ========
int nowificici=0;
int SJ_NIAN , SJ_YUE , SJ_RI , SJ_XQ ;
int KEY_TIME=0;
bool duan_flag=0;
// #define new_time 40 //===== 每50S更新一次网络时间,
#define dao_time 10 //===== 倒计时时间,
#define newgp_time 5 //===== 股票更新时间 S
const char* wifi_gp_data = "/wifi_gp_data.txt";
int GP_DAT; // 股票100%比股票正负
unsigned char ZFU;
unsigned char GP_ZFU; // 股票正负
String gpmingzi = "未更新";
unsigned int ksj=0;
unsigned char onkey=1;
unsigned char LED_SMG[] = {0,0,0,0 };
bool SPIFFSOK=0; // 无 FLASH 内存标志
unsigned char wh;
int k;
int m;
int dpp;
unsigned char ledd;
unsigned char autoo=0x80;
const byte tab[] = {0x5F, 0x06, 0x3B, 0x2F, 0x66, 0x6D, 0x7D, 0x47,
0x7F, 0x6F
};// 0-9 共阴数码管
//---- WEB时间需要的数据 ------
unsigned char HHH=0;
unsigned char MMM=0;
unsigned char SSS=0;
int S1=0;
int M1=0;
unsigned char liangdu=141;
unsigned char HTTP_KOFF=1;
int diann;
int m1;
int m10;
int h1;
int h10;
int bibi;
unsigned char dsb =0x80;
unsigned char sjh;
unsigned char sjm;
unsigned char sjs;
unsigned long sj0=0;
// int k;
//int m;
//int dpp;
//unsigned char ledd;
//unsigned char autoo;
#define APIKEY "60a806f68cc9bffe" //设置apikey 60a806f68cc9bffe
//------时间数据 NED ------
const char* ssid = "";
const char* password = "";
// 北京时间网站 http://time.beijing-time.org/time.asp 直接浏览器打开输出时间信息,
//这粒模拟了浏览器,抓取需要的数据,
const char* host = "time.beijing-time.org"; // 获取 HTTP网站,的IP地址用
String url = "/time.asp"; // 获取 HTTP网站主页下的连接
//===========================
// 股票网站 http://hq.sinajs.cn/list=sh601360
const char* host2 = "hq.sinajs.cn"; // 获取 HTTP网站,的IP地址用
String url2 = "/list=sz300104"; // 获取 HTTP网站主页下的连接
//===========================
//-----------------
const char* hostt = "led4"; // esp8266,local/
String ssid2 = "";
String pass2 = "";
String nofwifi ="未连接";
int kofff=0;
int bih1;
void(* resetFunc) (void) = 0; // 需要复位时这样调用： resetFunc();
int KEY_NUM = 0; //按键键值存放变量，不等于1说明有按键按下
int KEYSJ;
int g = 0;
int ke = 1;
//==========================================
//函数声明
void init_TM1620(void);
void TM1620_Write( unsigned char DATA);
void Write_COM(unsigned char cmd);
void SPIFFS_666(void); //==FS文件夹系统,小程序
//================================
//================================
//======= 小程序 ===================
/** IP to String? */
String toStringIp(IPAddress ip) {
String res = "";
for (int i = 0; i < 3; i++) {
res += String((ip >> (8 * i)) & 0xFF) + ".";
}
res += String(((ip >> 8 * 3)) & 0xFF);
return res;
}
//=============================================================
bool autoConfig() //自动连接WIFI程序, ===用上一次的WIFI密码连接
{
WiFi.begin(); //======注入WIFI
for (int i = 9; i >0; i--) // 超时 2S X 5 = 10S
{
if ( WiFi.status() == WL_CONNECTED) // 如果相等说明连接成功 == 就退出
{
Serial.println("===================");
WiFi.printDiag(Serial);
Serial.println("===================");
digitalWrite(LED, 1); // LED
autoo = 0x80;
digitalWrite(STB, LOW);
TM1620_Write(0xc8); //位5 === 4
TM1620_Write( autoo | 0x40 ); //段码
digitalWrite(STB, HIGH);
delay(100);
Serial.println("==== wifi AUTO ok =====");
Serial.printf("SSID:%s\r\n", WiFi.SSID().c_str());
Serial.printf("PSW:%s\r\n", WiFi.psk().c_str());
Serial.print("WIFI IP = : ");
Serial.println(WiFi.localIP());
WiFi.setAutoConnect(true); // 设置自动连接===================================
return true; //连接成功了跳过循环,退出连接程序
break;
}
else // 连接不成功 == 一直等待连接
{
Serial.println("==== wifi NO =====");
digitalWrite(LED, 0); // LED
autoo = 0x00;
digitalWrite(STB, LOW);
TM1620_Write(0xc8); //位5 === 4
TM1620_Write( autoo | 0x40 ); //段码
digitalWrite(STB, HIGH);
delay(500);
autoo = 0x80;
digitalWrite(STB, LOW);
TM1620_Write(0xc8); //位5 === 4
TM1620_Write( autoo | 0x40 ); //段码
digitalWrite(STB, HIGH);
delay(500);
}
}
digitalWrite(2, 0);
Serial.println("== wifi MIMA NO NO ===");
Serial.println("==== wifi smartConfig OPEN 99S -- =====");
return false;
}
void smartConfig() //快连程序
{
delay(10);
WiFi.mode(WIFI_STA);
WiFi.beginSmartConfig();
delay(10);
int i=99;
while (i>0) // 99S超时
{
digitalWrite(STB, LOW);
TM1620_Write(0xC8); // 位1 === 1
TM1620_Write( autoo | 0x3E ); // 段码 W
digitalWrite(STB, HIGH);
digitalWrite(STB, LOW);
TM1620_Write(0xC6); // 位2 === 2
TM1620_Write( 0x71 ); // 段码 F
digitalWrite(STB, HIGH);
digitalWrite(STB, LOW);
TM1620_Write(0xC2); //位3 === dian
TM1620_Write( tab[i/10%10] ); //段码 ledd
digitalWrite(STB, HIGH);
digitalWrite(STB, LOW);
TM1620_Write(0xC0); //位4 === 3
TM1620_Write( tab[i%10] ); //段码
digitalWrite(STB, HIGH);
Serial.print("==== wifi smartConfig SOS SOS ");
Serial.print(i);
Serial.println(" S ======= ");
digitalWrite(2,0);
delay(500);
if (WiFi.smartConfigDone())
{
Serial.println("=== SmartConfig OK =========================");
digitalWrite(STB, LOW);
TM1620_Write(0xc0); // 位1 === 1
TM1620_Write( 0x76 ); // 段码 H
digitalWrite(STB, HIGH);
digitalWrite(STB, LOW);
TM1620_Write(0xc2); // 位2 === 2
TM1620_Write( 0x76 ); // 段码 H
digitalWrite(STB, HIGH);
digitalWrite(STB, LOW);
TM1620_Write(0xc4); //位3 === dian
TM1620_Write( 0xFF ); //段码 ledd
digitalWrite(STB, HIGH);
digitalWrite(STB, LOW);
TM1620_Write(0xc6); //位4 === 3
TM1620_Write( 0x76 ); //段码 H
digitalWrite(STB, HIGH);
digitalWrite(STB, LOW);
TM1620_Write(0xc8); //位5 === 4
TM1620_Write( autoo | 0x76 ); //段码 H
digitalWrite(STB, HIGH);
Serial.printf("==========SSID:%s\r\n", WiFi.SSID().c_str());
Serial.printf("==========PSW:%s\r\n", WiFi.psk().c_str());
WiFi.mode(WIFI_AP_STA );
Serial.println("======= WiFi.mode 显示模式,信道,密码 ======");
WiFi.printDiag(Serial);
Serial.println("===================");
WiFi.setAutoConnect(true); // 设置自动连接
break;
}
i--;
digitalWrite(2,1);
delay(500); // 这个地方一定要加延时，否则极易崩溃重启
// WiFi.beginSmartConfig();
}
Serial.println("==== wifi NO NO smartConfig 30S END =====");
}
//=============================================================
//=============== WEB网页送显 =================================
void handleRootGet() {
String gpsz ="/list=sz"; //深圳及创业板
String gpsh ="/list=sh"; //上证
String web_ssid = server.arg("web_ssid"); // 取回Post数据
String web_pass = server.arg("web_pass"); // 取回Post数据
String web_GP_DATA = server.arg("web_GP_DATA"); // 取回Post数据
if( web_GP_DATA.length() ==6 ) // 取回Post数据==6位 = 股票的数字
{
if( (web_GP_DATA.toInt() /100000%10 )==0) url2 = gpsz + web_GP_DATA;
if( (web_GP_DATA.toInt() /100000%10 )==3) url2 = gpsz + web_GP_DATA;
if( (web_GP_DATA.toInt() /100000%10 )==6) url2 = gpsh + web_GP_DATA; //判断是上证
if( SPIFFSOK==1) // 有FLASH 内存标志
{
File x = SPIFFS.open(wifi_gp_data, "w"); // 打开SPIFFS文件系统内指定的文件
x.println(url2); // 写入文件,
x.close(); // 上锁 SPIFFS
}
}
if( web_ssid.length() >=4 ) // 取回Post数据 = WIFI,AP名字大于2位数,
{
WiFi.begin(web_ssid.c_str(), web_pass.c_str()); //重新注入WIFI,修改WIFI
}
//====== WEB HTTP 网页输出代码 =============
String html = "";
html += "<head> ";
html += "<meta name='viewport' content='width=device-width,initial-scale=1' charset='utf-8' /> ";
html += "<title>ESP8266_LED4设置页面</title> ";
html += "</head>";
html += "<body align='center' style='background-color:#d3d388'>";
html += "<h2>设置</h2>";
html +=" <p style='color:#ff04fe'>";
html +="联网状态=: ";
html +=String() + nofwifi +"<br>";
// Serial.println(WiFi.localIP()); //获取本地IP
html += String() + toStringIp(WiFi.localIP()) + "<br>";
html +="<br>";
html +="北京时间: ";
html += String()+ SJ_NIAN ;
html +="年";
html += String()+ SJ_YUE ;
html +="月";
html += String()+ SJ_RI ;
html +="日";
html +="/星期";
html += String()+ SJ_XQ ;
html += "<br>";
html += String()+ HHH ;
html +="点";
html +="/";
html += String()+ MMM ;
html +="分";
html +="/--";
html += String()+ SSS ;
html +="秒";
html += "<br>";
html +="</p>";
html +=" <p>重新连接WIFI网络..</p>";
html += "<form method='post' action='wifisave' >";
html += " <p>WIFI名称<input type='text' name='web_ssid' placeholder='ssid'></p>";
html += " <p>WIFI密码<input type='text' name='web_pass' placeholder='pass'></p>";
html += " <input type='submit' value='保存'>";
html += "</form>";
/***
html +="<h1>输入股票代码<br>";
html += "<form method='post' action='wifisave'>";
html += "<input type='text' maxlength='6' name='web_GP_DATA'><input type='submit' value='确定' />";
html += "</form>";
html +="</h1>";
html +=" <p>六位股票数字<br></p>";
html +="<br>";
****/
html +="<br>";
html +=" <a href='/'target='_top'>刷新主页</a> ";
html +=" <p>输入正确的WIFI密码,保存后</p>";
html +=" <p>重启终端,即可更新使用</p>";
html +=" <p>BY:WANGYU-TEL:15858013830</p>";
html +="</body>";
server.send(200, "text/html", html);
}
//======================================
void TM1620_Write( unsigned char DATA) //写数据函数
{
unsigned char i;
for (i = 0; i < 8; i++)
{
digitalWrite(CLK, LOW);
if(DATA & 0X01)
{
digitalWrite(DIO, HIGH);
}
else
{
digitalWrite(DIO, LOW);
}
digitalWrite(CLK, HIGH);
DATA>>=1;
}
}
void Write_COM(unsigned char cmd) //发送命令字
{
digitalWrite(STB, LOW);
TM1620_Write(cmd);
digitalWrite(STB, HIGH);
}
//TM1620初始化函数
void init_TM1620(void)
{
digitalWrite(STB, LOW);
TM1620_Write(0x02);
digitalWrite(STB, HIGH);
digitalWrite(STB, LOW);
TM1620_Write(0x44);
digitalWrite(STB, HIGH);
digitalWrite(STB, LOW);
TM1620_Write(liangdu); // 亮度 (0x88-0x8f)8级亮度可调 137-143
digitalWrite(STB, HIGH);
digitalWrite(STB, LOW);
TM1620_Write(0xC0); // 位1 === 1
TM1620_Write( 0x20); // 段码
digitalWrite(STB, HIGH);
digitalWrite(STB, LOW);
TM1620_Write(0xc2); // 位2 === 2
TM1620_Write( 0x20 ); // 段码
digitalWrite(STB, HIGH);
digitalWrite(STB, LOW);
TM1620_Write(0xc4); //位3 === dian
TM1620_Write( 0xFF ); //段码 ledd
digitalWrite(STB, HIGH);
digitalWrite(STB, LOW);
TM1620_Write(0xc6); //位4 === 3
TM1620_Write( 0x20 ); //段码
digitalWrite(STB, HIGH);
digitalWrite(STB, LOW);
TM1620_Write(0xc8); //位5 === 4
TM1620_Write( autoo | 0x20 ); //段码
digitalWrite(STB, HIGH);
}
//================================
//================================
//===== setup() //初始化 =====
//================================
//================================
void setup() //初始化函数
{
pinMode( bi, OUTPUT);
pinMode(LED, OUTPUT);
pinMode(5,INPUT_PULLUP); //定义GPIO 5 为带上拉输入引脚
// pinMode(3,INPUT_PULLUP); //定义GPIO 3为带上拉输入引脚
digitalWrite(LED, 0);
delay(100);
digitalWrite(bi, 0);
unsigned long koff=100000;
while(koff>1) //RXD没有低电平后延时0.3S退出
{
if(digitalRead(5) == 0) //串口有低电平信号,
koff=100000;
delayMicroseconds(7); //9us
koff--;
}
digitalWrite(LED, 1);
delay(100); //
Serial.begin(115200);
delay(100); //
Serial.println("");
Serial.println("");
Serial.println("==== ESP8266 OK =====");
SPIFFS.begin();
pinMode(KEY1,INPUT_PULLUP); //定义KEY1为带上拉输入引脚
pinMode(LED, OUTPUT);
pinMode(STB, OUTPUT);
pinMode(CLK, OUTPUT);
pinMode(DIO, OUTPUT); //让三个脚都是输出状态
digitalWrite(LED, 0);
digitalWrite(CLK, HIGH);
digitalWrite(STB, HIGH);
digitalWrite(DIO, HIGH);
init_TM1620(); //初始化TM1638
digitalWrite(bi, 0);
delay(10);
//================
// WiFi.mode(WIFI_STA);
WiFi.mode(WIFI_AP_STA ); // 必须采用 AP 与 Station 兼容模式
delay(100); // 等待配网
WiFi.begin(); //======注入WIFI
delay(100);
// autoConfig();
WiFi.setAutoConnect(true); // 设置自动连接
// if ( !autoConfig() ) //如自动连接不成功超时20次,就进入手动配网
// {
// smartConfig(); //手动快连程序
// }
delay(10);
// WiFi.mode(WIFI_AP_STA ); // 必须采用 AP 与 Station 兼容模式
delay(10);
Serial.println("======= WiFi.mode ALL=: ");
WiFi.printDiag(Serial);
Serial.println("===================");
delay(1000);
// ===============设置内网ap
// ===============设置内网ap
IPAddress softLocal(192,168,4,1); // DNS
IPAddress softGateway(192,168,4,2); //AP
IPAddress softSubnet(255,255,255,0);
WiFi.softAPConfig(softLocal, softLocal, softSubnet);
//String apName = ("AP168_4_1_"+(String)ESP.getChipId()); // 2 设置WIFI名称
String apName = "LED4_192_168_4_1";
const char *softAPName = apName.c_str();
WiFi.softAP(softAPName); // 3创建wifi 名称 +密码 adminadmin
IPAddress myIP = WiFi.softAPIP(); // 4输出创建的WIFI IP地址
while (WiFi.status() != WL_CONNECTED) {
delay(500);
Serial.println("=== wifi no no ===========");
}
Serial.println("=== wifi ok ok ===========");
Serial.println("IP address: "); //打印下行
Serial.println(WiFi.localIP()); //获取本地IP
Serial.print("== WIFI IP =: ");
Serial.println(WiFi.localIP());
IPAddress ip = WiFi.localIP();
if (!MDNS.begin(hostt, myIP)) {
Serial.println("Error setting up MDNS responder!");
while(1) {
delay(1000);
}
}
Serial.println("mDNS responder started");
Serial.println("");
Serial.print("Connected! IP address: ");
Serial.println(WiFi.localIP());
MDNS.begin(hostt);
delay(500);
server.on("/", HTTP_GET, handleRootGet);
server.on("/wifisave", HTTP_POST, handleRootGet);
server.begin();
MDNS.setInstanceName("Cubie's ESP8266");
MDNS.addService("http", "tcp", 80);
// WiFi.begin(ssid, password);
Serial.println();
Serial.println(" ============ SPIFFS_666 ================== ");
delay(500);
SPIFFS_666();
digitalWrite(LED, 1);
delay(500);
//= =============
dpp= 0x80;
m= 1;
k=0;
HTTP_KOFF=1;
autoo=0x80; //auto字符
digitalWrite(bi, 0);
S1=0;
HHH=23;
MMM=58;
SSS=55;
new_time=10;
}
//================================
//================================
//===== loop() //主函数 =====
//================================
//================================
void loop() //主函数
{
// ==== 路由器连接状态判断
if (WiFi.status() == WL_CONNECTED ) nofwifi ="连接OK";
else nofwifi ="未连接";
server.handleClient();
if(digitalRead(KEY1) == LOW) //有按键按下
{
delay(1);
KEY_TIME++;
digitalWrite(LED, 0);
if( KEY_TIME <5000 ) duan_flag=1;
if( KEY_TIME >5000 )
{
digitalWrite(LED,1);
duan_flag=0;
smartConfig(); //快连程序
digitalWrite(LED, 1);
}
}
else
{
KEY_TIME=0;
if( duan_flag==1)
{
digitalWrite(LED, 1);
new_time=0;
duan_flag=0;
digitalWrite(LED, 1);
}
}
// while(digitalRead(KEY1) == LOW)
// digitalWrite(LED, 1);
unsigned long sj1=millis(); // 取得当前时间数
if( sj1 - sj0 > 400) ledd=0x00; //双点
if( sj1 - sj0 > 1000) // 1s 当前时间数大于前一个时间1S间隔
{
sj0 = sj1;
ledd=0x06; //双点
S1++;
if(S1==1) digitalWrite(bi, 0);
if(S1>= new_time ) //===== 每10S更新一次
{
S1=0;
digitalWrite(LED, 1);
Serial.println("======= GET OPEN ===========");
// digitalWrite(bi, 1);
int code_now = getWeatherCode();
if (code_now == -1)
{
nowificici++;
Serial.print("==== nowificici =; ");
Serial.println(nowificici);
if(nowificici>=50)
{
Serial.println("========== NO WIFI 50CI ==========");
new_time = 8280 ; // 23 h
nowificici=0;
HTTP_KOFF=0;
S1=0;
}
delay(10);
}
else // OK WIFI
{
HHH = sjh;
MMM = sjm;
SSS = sjs;
new_time = 3000 ; // 50 M
S1=0;
}
// getWeatherCode99();
// getWeatherCodepm25();
// getWeatherCode99();
// getWeatherCode9922();
// getWeatherCodeled3();
}
SSS++;
if(SSS>=60) { SSS=0; MMM++; }
if(MMM>=60) { MMM=0; HHH++; }
if(HHH>=24) { HHH=0; }
LED_SMG[0]= tab[MMM%10 ];
LED_SMG[1]= tab[MMM/10%10 ];
LED_SMG[2]= tab[HHH%10 ];
LED_SMG[3]= tab[HHH/10%10 ];
}
digitalWrite(STB, LOW);
TM1620_Write(0xc0); // 位1 === 1
TM1620_Write( LED_SMG[0] ); // 段码
digitalWrite(STB, HIGH);
digitalWrite(STB, LOW);
TM1620_Write(0xc2); // 位2 === 2
TM1620_Write( LED_SMG[1] ); // 段码
digitalWrite(STB, HIGH);
digitalWrite(STB, LOW);
TM1620_Write(0xc4); //位3 === dian
TM1620_Write( ledd | 0x88 ); //段码 ledd
digitalWrite(STB, HIGH);
digitalWrite(STB, LOW);
TM1620_Write(0xc6); //位4 === 3
TM1620_Write( LED_SMG[2] ); //段码
digitalWrite(STB, HIGH);
digitalWrite(STB, LOW);
TM1620_Write(0xc8); //位5 === 4
TM1620_Write( autoo | LED_SMG[3] ); //段码
digitalWrite(STB, HIGH);
delay(1);
}
//====================================================================================
//================= end =================================
void SPIFFS_666(void) //==FS文件夹系统,小程序
{
bool ok = SPIFFS.begin(); //检查 FS文件夹系统,如果失败,返回0
if (ok) //检查到有内存的模块,可以执行读出数据
{
SPIFFSOK=1; // 有FLASH 内存标志
File f = SPIFFS.open(wifi_gp_data, "r");
url2 = f.readStringUntil('\n');
f.close();
url2.trim();
}
else SPIFFSOK=0; // 无 FLASH 内存标志
}
// ============HTTP 小程序=====================================================================
int getWeatherCode(){
// 北京时间网站 http://time.beijing-time.org/time.asp 直接浏览器打开输出时间信息,
//这粒模拟了浏览器,抓取需要的数据,
const char* host1 = "time.beijing-time.org"; // 获取 HTTP网站,的IP地址用
String url1 = "/time.asp"; // 获取 HTTP网站主页下的连接
WiFiClient client;
//----------------- http to tcp
//
const int httpPort = 80;
if (!client.connect(host1, httpPort)) {
return -1;
}
client.print(String("GET ") + url1 + " HTTP/1.1\r\n" +
"Host: " + host1 + "\r\n" +
"Connection: close\r\n\r\n");
delay(150);
String str = "";
while(client.available()){
String line = client.readStringUntil('\r');
str += line;
}
// Serial.println(str); OK
String sjall_data ="";
String new_data ="";
String STSJS ="";
String STSJM ="";
String STSJH ="";
// new_data = str.substring( str.indexOf("nyear")+1 , str.length() ) ;
// ========================分割字符, "nyear"开始-到结束,只需要这段字符
// t0=new Date().getTime(); nyear= 2019; nmonth=1; nday=1; nwday=2; nhrs=14; nmin=15; nsec=54;
sjall_data = str.substring( str.indexOf("getTime")+10 , str.length() ) ;
if( sjall_data.length() <5 ) return -1; //
new_data = str.substring( str.indexOf("nyear")+6 , str.length() ) ; // "nyear" 0 -- end,
SJ_NIAN = ( new_data.substring( 0, new_data.indexOf(":") ) ) .toInt(); // 年获取
new_data = str.substring( str.indexOf("nmonth")+7 , str.length() ) ;
SJ_YUE = ( new_data.substring( 0, new_data.indexOf(":") ) ) .toInt(); // 月
new_data = str.substring( str.indexOf("nday")+5 , str.length() ) ;
SJ_RI = ( new_data.substring( 0, new_data.indexOf(":") ) ) .toInt(); // 日
new_data = str.substring( str.indexOf("nwday")+6 , str.length() ) ;
SJ_XQ = ( new_data.substring( 0, new_data.indexOf(":") ) ) .toInt(); // 星期
// 时
//分
// 秒
new_data = new_data.substring( new_data.indexOf("nhrs")+5 , new_data.length() ) ;
STSJH = new_data.substring( 0, new_data.indexOf(":") ) ; // hhhhhhhhhhhhhhhhhhhhhhhhhhh
new_data = new_data.substring( new_data.indexOf("nmin")+5 , new_data.length() ) ;
STSJM = new_data.substring( 0, new_data.indexOf(":") ) ; //mmmmmmmmmmmmmmmmmmmmmmmmm
new_data = new_data.substring( new_data.indexOf("nsec")+5 , new_data.length() ) ;
STSJS = new_data.substring( 0, new_data.indexOf(":") ) ; // sssssmmmmmmmmmmmmsssssss
// ===================字符转INT,如果字符是纯数字,转换后的INT值就可以赋值给数码管使用, sjm sjh
sjm = STSJM.toInt();
sjh = STSJH.toInt();
sjs = STSJS.toInt()+6;
Serial.println("==== SJ=; ");
Serial.println(sjm);
return sjm;
}