我想要它控制繼電器閉合1秒，然后斷開。仿按常開按鈕的效果。
我只會按照教程做，不會敲代碼。麻煩大佬幫我改一下。
/*
* 天貓精靈控制
*/
#include <ESP8266WiFi.h>
#include <WiFiClient.h>
//巴法云服務器地址默認即可
#define TCP_SERVER_ADDR "bemfa點com"
//服務器端口，tcp創客云端口8344
#define TCP_SERVER_PORT "8344"
//********************需要修改的部分*******************//
#define DEFAULT_STASSID "ASUS" //WIFI名稱，區分大小寫，不要寫錯
#define DEFAULT_STAPSW "00000000" //WIFI密碼
String UID = "xxxxxxxxxxxxxxxxxx"; //用戶私鑰，可在控制臺獲取,修改為自己的UID
String TOPIC = "weiran"; //主題名字，可在控制臺新建
const int LED_Pin = D3; //單片機LED引腳值
//**************************************************//
//最大字節數
#define MAX_PACKETSIZE 512
//設置心跳值30s
#define KEEPALIVEATIME 30*1000
//tcp客戶端相關初始化，默認即可
WiFiClient TCPclient;
String TcpClient_Buff = "";
unsigned int TcpClient_BuffIndex = 0;
unsigned long TcpClient_preTick = 0;
unsigned long preHeartTick = 0;//心跳
unsigned long preTCPStartTick = 0;//連接
bool preTCPConnected = false;
//相關函數初始化
//連接WIFI
void doWiFiTick();
void startSTA();
//TCP初始化連接
void doTCPClientTick();
void startTCPClient();
void sendtoTCPServer(String p);
//led 控制函數
void turnOnLed();
void turnOffLed();
/*
*發送數據到TCP服務器
*/
void sendtoTCPServer(String p){
if (!TCPclient.connected())
{
Serial.println("Client is not readly");
return;
}
TCPclient.print(p);
Serial.println("[Send to TCPServer]:String");
Serial.println(p);
}
/*
*初始化和服務器建立連接
*/
void startTCPClient(){
if(TCPclient.connect(TCP_SERVER_ADDR, atoi(TCP_SERVER_PORT))){
Serial.print("\nConnected to server:");
Serial.printf("%s:%d\r\n",TCP_SERVER_ADDR,atoi(TCP_SERVER_PORT));
String tcpTemp=""; //初始化字符串
tcpTemp = "cmd=1&uid="+UID+"&topic="+TOPIC+"\r\n"; //構建訂閱指令
sendtoTCPServer(tcpTemp); //發送訂閱指令
tcpTemp="";//清空
preTCPConnected = true;
preHeartTick = millis();
TCPclient.setNoDelay(true);
}
else{
Serial.print("Failed connected to server:");
Serial.println(TCP_SERVER_ADDR);
TCPclient.stop();
preTCPConnected = false;
}
preTCPStartTick = millis();
}
/*
*檢查數據，發送心跳
*/
void doTCPClientTick(){
//檢查是否斷開，斷開后重連
if(WiFi.status() != WL_CONNECTED) return;
if (!TCPclient.connected()) {//斷開重連
if(preTCPConnected == true){
preTCPConnected = false;
preTCPStartTick = millis();
Serial.println();
Serial.println("TCP Client disconnected.");
TCPclient.stop();
}
else if(millis() - preTCPStartTick > 1*1000)//重新連接
startTCPClient();
}
else
{
if (TCPclient.available()) {//收數據
char c =TCPclient.read();
TcpClient_Buff +=c;
TcpClient_BuffIndex++;
TcpClient_preTick = millis();
if(TcpClient_BuffIndex>=MAX_PACKETSIZE - 1){
TcpClient_BuffIndex = MAX_PACKETSIZE-2;
TcpClient_preTick = TcpClient_preTick - 200;
}
preHeartTick = millis();
}
if(millis() - preHeartTick >= KEEPALIVEATIME){//保持心跳
preHeartTick = millis();
Serial.println("--Keep alive:");
sendtoTCPServer("cmd=0&msg=keep\r\n");
}
}
if((TcpClient_Buff.length() >= 1) && (millis() - TcpClient_preTick>=200))
{//data ready
TCPclient.flush();
Serial.println("Buff");
Serial.println(TcpClient_Buff);
if((TcpClient_Buff.indexOf("&msg=on") > 0)) {
turnOnLed();
}else if((TcpClient_Buff.indexOf("&msg=off") > 0)) {
turnOffLed();
}
TcpClient_Buff="";
TcpClient_BuffIndex = 0;
}
}
void startSTA(){
WiFi.disconnect();
WiFi.mode(WIFI_STA);
WiFi.begin(DEFAULT_STASSID, DEFAULT_STAPSW);
}
/**************************************************************************
WIFI
***************************************************************************/
/*
WiFiTick
檢查是否需要初始化WiFi
檢查WiFi是否連接上，若連接成功啟動TCP Client
控制指示燈
*/
void doWiFiTick(){
static bool startSTAFlag = false;
static bool taskStarted = false;
static uint32_t lastWiFiCheckTick = 0;
if (!startSTAFlag) {
startSTAFlag = true;
startSTA();
Serial.printf("Heap size:%d\r\n", ESP.getFreeHeap());
}
//未連接1s重連
if ( WiFi.status() != WL_CONNECTED ) {
if (millis() - lastWiFiCheckTick > 1000) {
lastWiFiCheckTick = millis();
}
}
//連接成功建立
else {
if (taskStarted == false) {
taskStarted = true;
Serial.print("\r\nGet IP Address: ");
Serial.println(WiFi.localIP());
startTCPClient();
}
}
}
//打開燈泡
void turnOnLed(){
Serial.println("Turn ON");
digitalWrite(LED_Pin,HIGH);
}
//關閉燈泡
void turnOffLed(){
Serial.println("Turn OFF");
digitalWrite(LED_Pin,LOW);
}
// 初始化，相當于main 函數
void setup() {
Serial.begin(115200);
pinMode(LED_Pin,OUTPUT);
digitalWrite(LED_Pin,LOW);
Serial.println("Beginning...");
}
//循環
void loop() {
doWiFiTick();
doTCPClientTick();
}
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