網(wǎng)上找不到的源碼，ESP32 AP熱點(diǎn) TCPsever 多線程控制開關(guān)

#include //如果是ESP8266 用#include

#include "Ticker.h"

//李智勇編碼，采用AP方式做服務(wù)端，可以方便控制各種設(shè)備，網(wǎng)上此方面的代碼放出不多不完整，在此放出, 沒有采用網(wǎng)上流行的多個(gè)客戶端，那樣當(dāng)新的客戶端不夠用時(shí)，處理邏輯太麻煩,一個(gè)客戶端發(fā)過來消息，服務(wù)端接收，發(fā)送確認(rèn)消息，等控制指令結(jié)束發(fā)送斷開指令給客戶端，當(dāng)服務(wù)端接到新的連接，主動斷開上個(gè)連接，這樣就不會阻塞網(wǎng)絡(luò)連接。

Ticker ticker_1; //控制一號繼電器，用計(jì)時(shí)器模擬多線程

Ticker ticker_2; //控制二號繼電器

#define PIN_R1 23 //輸出控制，

#define PIN_R2 22 //輸出控制，

// 初始化一個(gè)WiFi服務(wù)器，端口為****

#define SERVER_PORT ****

#define CLOSE_CONNECT "Off" //發(fā)送關(guān)閉指令給客戶端，讓客戶端主動斷開

int count_OPEN = 0;

int count_R1 = -1; //第一次進(jìn)入打開

WiFiServer server(SERVER_PORT); //端口號，范圍 0-65535

// WiFiAPPSW是AP模式下的WiFi密碼

const String WiFiAPPSW = "12345678"; //設(shè)置AP模式下模塊所發(fā)出的WIFI的密碼

const String AP_NameString = "lizhiyong_CONTROL";

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

WiFi.softAP(AP_NameString, WiFiAPPSW);

//自定義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() {
//檢測服務(wù)器端是否有活動的客戶端連接

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

serverClient = server.available();

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

}

//檢查客戶端的數(shù)據(jù)

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

Serial.println(serverClient.remoteIP());

char data[1024] = { 0 };

// ind用于追蹤data數(shù)組中已存儲的數(shù)據(jù)量

int ind = 0;

// 接收客戶端發(fā)送的所有數(shù)據(jù)

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

while (serverClient.available()) {
data[ind] = serverClient.read(); //讀取client端發(fā)送的字符,含有換行符

ind++;

}

String str = String(data);

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

if (str.indexOf("open") >= 0) { // compareTo equals 接收有回車符等不可見字符容易出錯

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

ticker_2.attach(0.1, relay2, 0); //二號繼電器打開。參數(shù)1

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

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

ticker_2.attach(0.1, relay2, 1); //參數(shù)0關(guān)斷

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

} else if (str.indexOf("time") >= 0) { //relay1打開后延時(shí)關(guān)閉

int time = str.substring(4).toInt(); //substring(4)從第4個(gè)數(shù)開始一直都末尾

ticker_1.attach(0.1, relay1, time); //繼電器 打開，延時(shí)time 后關(guān)閉，第一次執(zhí)行沒有延時(shí)，

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

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

} else if (str.indexOf("hand") >= 0) { //relay1手動開關(guān)

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

if (count_R1 == -1) {
ticker_1.attach(0.1, relay1, -1); //手動打開關(guān)閉

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

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

count_R1 = 0;

} else {
ticker_1.attach(0.1, relay1, 0); //-1 關(guān)閉指令

Serial.println("relay1 hand close ");

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

count_R1 = -1;

}

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

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

}

serverClient.print(CLOSE_CONNECT); //在客戶端關(guān)閉端回復(fù)

}

}

}

void relay1(int action) { //控制繼電器1，參數(shù)整數(shù)型，0表示關(guān)，-1表示開，其他數(shù)值表示開的延時(shí)

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 延時(shí)開，打開繼電器

ticker_1.attach(action, relay1, action); //保證下次進(jìn)來，并且把時(shí)間延長，因?yàn)榈谝淮芜M(jìn)沒有延時(shí)

digitalWrite(PIN_R1, !digitalRead(PIN_R1));

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

count_OPEN = 1;

} else { //第二次延時(shí)關(guān)，關(guān)閉繼電器

digitalWrite(PIN_R1, !digitalRead(PIN_R1));

count_OPEN = 0;

ticker_1.detach();

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

}

}

}

void relay2(int level) { //控制繼電器2,參數(shù)是高低電平，決定吸合

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

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

ticker_2.detach(); //都是執(zhí)行一次，模擬多線程，用delay會阻塞服務(wù)器響應(yīng)

}


審核編輯 黃宇