网上找不到的源码，ESP32 AP热点 TCPsever 多线程控制开关

#include //如果是ESP8266 用#include

#include "Ticker.h"

//李智勇编码，采用AP方式做服务端，可以方便控制各种设备，网上此方面的代码放出不多不完整，在此放出, 没有采用网上流行的多个客户端，那样当新的客户端不够用时，处理逻辑太麻烦,一个客户端发过来消息，服务端接收，发送确认消息，等控制指令结束发送断开指令给客户端，当服务端接到新的连接，主动断开上个连接，这样就不会阻塞网络连接。

Ticker ticker_1; //控制一号继电器，用计时器模拟多线程

Ticker ticker_2; //控制二号继电器

#define PIN_R1 23 //输出控制，

#define PIN_R2 22 //输出控制，

// 初始化一个WiFi服务器，端口为****

#define SERVER_PORT ****

#define CLOSE_CONNECT "Off" //发送关闭指令给客户端，让客户端主动断开

int count_OPEN = 0;

int count_R1 = -1; //第一次进入打开

WiFiServer server(SERVER_PORT); //端口号，范围 0-65535

// WiFiAPPSW是AP模式下的WiFi密码

const String WiFiAPPSW = "12345678"; //设置AP模式下模块所发出的WIFI的密码

const String AP_NameString = "lizhiyong_CONTROL";

void setupWiFi() {
WiFi.mode(WIFI_AP);

WiFi.softAP(AP_NameString, WiFiAPPSW);

//自定义IP地址信息

WiFi.softAPConfig(IPAddress(192, ***, ***, ***), IPAddress(192, ***, ***, 1), IPAddress(255, 255, 255, 0));

Serial.println(WiFi.softAPSSID());

Serial.print("IP address: ");

Serial.println(WiFi.softAPIP());

Serial.print("SSID: ");

Serial.println(WiFi.softAPSSID());

server.begin();

}

void setup() {
pinMode(PIN_R1, OUTPUT); *

pinMode(PIN_R2, OUTPUT); *

*

*

Serial.begin(115200);

Serial.println("Begin now!!!");

setupWiFi();

}

WiFiClient serverClient;

void loop() {
//检测服务器端是否有活动的客户端连接

if (server.hasClient()) {
if (serverClient) serverClient.stop();

serverClient = server.available();

// Serial.println("hasClient " + serverClient.remoteIP());

}

//检查客户端的数据

if (serverClient && serverClient.connected()) {
if (serverClient.available()) {
Serial.print("Connected to client remoteIP:");

Serial.println(serverClient.remoteIP());

char data[1024] = { 0 };

// ind用于追踪data数组中已存储的数据量

int ind = 0;

// 接收客户端发送的所有数据

Serial.println("Connected to client !!! ");

while (serverClient.available()) {
data[ind] = serverClient.read(); //读取client端发送的字符,含有换行符

ind++;

}

String str = String(data);

Serial.println(str + String(str.length()));

if (str.indexOf("open") >= 0) { // compareTo equals 接收有回车符等不可见字符容易出错

Serial.println("relay2 open is recive");

ticker_2.attach(0.1, relay2, 0); //二号继电器打开。参数1

serverClient.print("relay2 open OK! "); //在client端回复

} else if (str.indexOf("close") >= 0) {
Serial.println("relay2 close is recive");

ticker_2.attach(0.1, relay2, 1); //参数0关断

serverClient.print("relay2 close OK! "); //在client端回复

} else if (str.indexOf("time") >= 0) { //relay1打开后延时关闭

int time = str.substring(4).toInt(); //substring(4)从第4个数开始一直都末尾

ticker_1.attach(0.1, relay1, time); //继电器 打开，延时time 后关闭，第一次执行没有延时，

Serial.println("relay1 close is recive " + str.substring(4));

serverClient.print("relay1 time OK! "); //在client端回复

} else if (str.indexOf("hand") >= 0) { //relay1手动开关

Serial.println("relay1 hand " + String(count_R1));

if (count_R1 == -1) {
ticker_1.attach(0.1, relay1, -1); //手动打开关闭

Serial.println("relay1 hand open " + String(count_R1));

serverClient.print("relay1 hand open OK! "); //在client端回复

count_R1 = 0;

} else {
ticker_1.attach(0.1, relay1, 0); //-1 关闭指令

Serial.println("relay1 hand close ");

serverClient.print("relay1 hand close OK! "); //在client端回复

count_R1 = -1;

}

} else {
serverClient.print("OK! Got your request. "); //在client端回复

Serial.println("OK! Got your request. ");

}

serverClient.print(CLOSE_CONNECT); //在客户端关闭端回复

}

}

}

void relay1(int action) { //控制继电器1，参数整数型，0表示关，-1表示开，其他数值表示开的延时

Serial.println("relay1 active !!! " + String(action));

if (action == 0) {
digitalWrite(PIN_R1, !digitalRead(PIN_R1)); // turn the LED on (HIGH is the voltage level)

Serial.println("relay1 open PIN_R1 !!! ");

ticker_1.detach();

} else if (action == -1) {
digitalWrite(PIN_R1, !digitalRead(PIN_R1)); // turn the LED off by making the voltage LOW

Serial.println("relay1 close PIN_R1 !!! ");

ticker_1.detach();

} else {
if (count_OPEN == 0) { //第一次 延时开，打开继电器

ticker_1.attach(action, relay1, action); //保证下次进来，并且把时间延长，因为第一次进没有延时

digitalWrite(PIN_R1, !digitalRead(PIN_R1));

Serial.println(String(action) + " relay1 open !!! ");

count_OPEN = 1;

} else { //第二次延时关，关闭继电器

digitalWrite(PIN_R1, !digitalRead(PIN_R1));

count_OPEN = 0;

ticker_1.detach();

Serial.println(String(action) + " relay1 close !!! ");

}

}

}

void relay2(int level) { //控制继电器2,参数是高低电平，决定吸合

digitalWrite(PIN_R2, level); // turn the LED on (HIGH is the voltage level)

Serial.println("relay2 active !!! " + String(level));

ticker_2.detach(); //都是执行一次，模拟多线程，用delay会阻塞服务器响应

}


审核编辑 黄宇