ESP32模版
#include <WiFi.h>
#include <OneWire.h>
#include <DallasTemperature.h> //温度
#include <DNSServer.h>
#include "ESPAsyncWebServer.h"
DNSServer dnsserver;
AsyncWebServer server(80);
#define ONE_WIRE_BUS (2) // DQ接ESP8266引脚D4(GPIO2)
//设置一个oneWire实例来与任何oneWire设备通信(不仅仅是Maxim/Dallas温度ic)
OneWire oneWire(ONE_WIRE_BUS);
// 通过 oneWire 实例化对象 Dallas Temperature.
DallasTemperature sensors(&oneWire);
// 发现的温度设备数量
int numberOfDevices;
// We'll use this variable to store a found device address
DeviceAddress tempDeviceAddress;
//连接WIFI
void connect_wifi(){
const byte DNS_PORT = 53; //DNS端口
const String url = "luo.com"; //域名
IPAddress APIp(1,2,3,4); //AP IP
IPAddress APGateway(1,2,3,4); //AP网关
IPAddress APSubnetMask(255,255,255,0); //AP子网掩码
const char* APSsid = "yang"; //AP SSID
const char* APPassword = ""; //AP wifi密码
const char* wifi_ssid = "P20"; //不要与上面的混淆，这是真实的WIFI账号
const char* wifi_password = "12345678"; //不要与上面的混淆，这是真实的WIFI密码
Serial.begin(9600);
WiFi.mode(WIFI_AP_STA); //打开AP和STA共存模式
WiFi.softAPConfig(APIp, APGateway, APSubnetMask); //设置AP的IP地址，网关和子网掩码
WiFi.softAP(APSsid, APPassword, 6); //设置AP模式的登陆名和密码
dnsserver.start(DNS_PORT, url, APIp); //设置DNS的端口、网址、和IP
WiFi.begin(wifi_ssid, wifi_password); //连接WIFI
Serial.print("Connected");
//循环，直到连接成功
while(WiFi.status() != WL_CONNECTED){
Serial.print(".");
delay(500);
}
Serial.println();
IPAddress local_IP = WiFi.localIP();
Serial.print("WIFI is connected,The local IP address is: "); //连接成功提示
Serial.println(local_IP);
Serial.println(APIp);
}
void tongji(){
// 获取单总线上的设备数量
numberOfDevices = sensors.getDeviceCount();
Serial.print("温度计的个数：");
Serial.println(numberOfDevices);
// 定位总线上的设备并打印出每个设备被的地址
Serial.print("Locating devices...");
Serial.print("Found ");
Serial.print(numberOfDevices, DEC);
Serial.println(" devices.");
// Loop through each device, print out address
for(int i=0;i<numberOfDevices; i++){
// 搜索总线上的设备地址并打印出来
if(sensors.getAddress(tempDeviceAddress, i)){
Serial.print("Found device ");
Serial.print(i, DEC);
Serial.print(" with address: ");
//Serial.print(tempDeviceAddress);
printAddress(tempDeviceAddress);
Serial.println();
}else{
Serial.print("Found ghost device at ");
Serial.print(i, DEC);
Serial.print(" but could not detect address. Check power and cabling");
}
}
}
// 一个储存网页的数组
const char index_html[] PROGMEM = R"rawliteral(
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<style type="text/css">
html{
font-family: 'Open Sans', sans-serif;
display: block;
margin: 0px auto;
text-align: center;
color: #333333;
}
body{
margin-top: 50px;
}
h1{
margin: 50px auto 30px;
}
.wd{
margin: 50px auto 30px;
width: auto;
color: #f39c12
}
.wd1{
margin: 50px auto 30px;
width: auto;
color: #3498db
}
.side-by-side{
display: inline-block;
vertical-align: middle;
position: relative;
}
.temperature-text{
font-weight: 600;
padding-left: 15px;
font-size: 19px;
width: 160px;
text-align: left;
}
.temperature{
font-weight: 300;
font-size: 60px;
color: #f39c12;
}
.superscript{
font-size: 17px;
font-weight: 600;
position: absolute;
right: -20px;
top: 15px;
}
.data{
padding: 10px;
}
</style>
</head>
<body>
<h1>不同材料导热性实验</h1>
<div id="dht">
</div>
</body>
<script>
// 按下按钮会运行这个JS函数
function set() {
var payload = "ESP32"; // 需要发送的内容
// 通过get请求给 /set
var xhr = new XMLHttpRequest();
xhr.open("GET", "/set?value=" + payload, true);
xhr.send();
}
// 设置一个定时任务, 1000ms执行一次
setInterval(function () {
var xhttp = new XMLHttpRequest();
xhttp.onreadystatechange = function () {
if (this.readyState == 4 && this.status == 200) {
// 此代码会搜索ID为dht的组件，然后使用返回内容替换组件内容
document.getElementById("dht").innerHTML = this.responseText;
}
};
// 使用GET的方式请求 /dht
xhttp.open("GET", "/dht", true);
xhttp.send();
}, 1000)
</script>)rawliteral";
String Merge_Data(void)
{
/*
numberOfDevices = sensors.getDeviceCount();
String dataBuffer = "<p>";
for(int i=0;i<numberOfDevices; i++){
int tempC = 0;// 此处应为获取温度代码
// Search the wire for address
if(sensors.getAddress(tempDeviceAddress, i)){
// Output the device ID
//Serial.print("Temperature for device: ");
//Serial.println(i,DEC);
// Print the data
dataBuffer += "<b>第";
i=i+1;
dataBuffer +=i;
dataBuffer +="个温度: ";
float tempC = sensors.getTempC(tempDeviceAddress);
dataBuffer += float(tempC);
dataBuffer += "</b><br/>";
}
}
dataBuffer += "</p>";
return dataBuffer;
*/
//*****************************
int Humidity = 50;// 此处应为获取温度代码
int Temperature = 26;// 此处应为获取湿度代码
// 将温湿度打包为一个HTML显示代码
String dataBuffer = "<p>";
dataBuffer += "<h1>传感器数据 </h1>";
dataBuffer += "<b>温度: </b>";
dataBuffer += String(Temperature);
dataBuffer += "<br/>";
dataBuffer += "<b>湿度: </b>";
dataBuffer += String(Humidity );
dataBuffer += "<br /></p>";
// 最后要将数组返回出去
return dataBuffer;
}
// 下发处理回调函数
void Config_Callback(AsyncWebServerRequest *request)
{
if (request->hasParam("value")) // 如果有值下发
{
String HTTP_Payload = request->getParam("value")->value(); // 获取下发的数据
Serial.printf("[%lu]%s\r\n", millis(), HTTP_Payload.c_str()); // 打印调试信息
}
request->send(200, "text/plain", "OK"); // 发送接收成功标志符
}
void setup()
{
connect_wifi();
sensors.begin();//如果这里不初始化，就不会成功。
//tongji();
// 获取单总线上的设备数量
numberOfDevices = sensors.getDeviceCount();
Serial.println(numberOfDevices);
Serial.print("温度计的个数：");
Serial.println(numberOfDevices);
// 定位总线上的设备并打印出每个设备被的地址
Serial.print("Locating devices...");
Serial.print("Found ");
Serial.print(numberOfDevices, DEC);
Serial.println(" devices.");
// Loop through each device, print out address
for(int i=0;i<numberOfDevices; i++){
// 搜索总线上的设备地址并打印出来
if(sensors.getAddress(tempDeviceAddress, i)){
Serial.print("Found device ");
Serial.print(i, DEC);
Serial.print(" with address: ");
//Serial.print(tempDeviceAddress);
printAddress(tempDeviceAddress);
Serial.println();
}else{
Serial.print("Found ghost device at ");
Serial.print(i, DEC);
Serial.print(" but could not detect address. Check power and cabling");
}
}
// 你需要再此处添加WiFi操作代码，开启热点或者连接到热点
// 添加HTTP主页，当访问的时候会把网页推送给访问者
server.on("/", HTTP_GET, [](AsyncWebServerRequest *request)
{ request->send_P(200, "text/html", index_html); });
// 设置反馈的信息，在HTML请求这个Ip/dht这个链接时，返回打包好的传感器数据
server.on("/dht", HTTP_GET, [](AsyncWebServerRequest *request)
{ request->send_P(200, "text/plain", Merge_Data().c_str()); });
server.on("/set", HTTP_GET, Config_Callback); // 绑定配置下发的处理函数
server.begin(); // 初始化HTTP服务器
}
void loop() {
dnsserver.processNextRequest();
}
// 打印设备地址
void printAddress(DeviceAddress deviceAddress) {
for (uint8_t i = 0; i < 8; i++){
if (deviceAddress[i] < 16) Serial.print("0");
Serial.print(deviceAddress[i], HEX);
}
}
模版