ESP32 UNO D1 R32보드 – SimpleWIFIServer

▶ ESP32 UNO D1 R32보드 – SimpleWIFIServer

 

#include <WiFi.h>

 

const char* ssid = "JYPC";

const char* password = "12345678";

 

WiFiServer server(80);

 

void setup()

{

Serial.begin(115200);

pinMode(26, OUTPUT); // set the LED pin mode

 

delay(10);

 

// We start by connecting to a WiFi network

 

Serial.println();

Serial.println();

Serial.print("Connecting to ");

Serial.println(ssid);

 

WiFi.begin(ssid, password);

 

while (WiFi.status() != WL_CONNECTED) {

delay(500);

Serial.print(".");

}

 

Serial.println("");

Serial.println("WiFi connected.");

Serial.println("IP address: ");

Serial.println(WiFi.localIP());

 

server.begin();

 

}

 

int value = 0;

 

void loop(){

WiFiClient client = server.available(); // listen for incoming clients

 

if (client) { // if you get a client,

Serial.println("New Client."); // print a message out the serial port

String currentLine = ""; // make a String to hold incoming data from the client

while (client.connected()) { // loop while the client's connected

if (client.available()) { // if there's bytes to read from the client,

char c = client.read(); // read a byte, then

Serial.write(c); // print it out the serial monitor

if (c == '\n') { // if the byte is a newline character

 

// if the current line is blank, you got two newline characters in a row.

// that's the end of the client HTTP request, so send a response:

if (currentLine.length() == 0) {

// HTTP headers always start with a response code (e.g. HTTP/1.1 200 OK)

// and a content-type so the client knows what's coming, then a blank line:

client.println("HTTP/1.1 200 OK");

client.println("Content-type:text/html");

client.println();

 

// the content of the HTTP response follows the header:

client.print("Click <a href=\"/H\">here</a> to turn the LED on pin 5 on.<br>");

client.print("Click <a href=\"/L\">here</a> to turn the LED on pin 5 off.<br>");

 

// The HTTP response ends with another blank line:

client.println();

// break out of the while loop:

break;

} else { // if you got a newline, then clear currentLine:

currentLine = "";

}

} else if (c != '\r') { // if you got anything else but a carriage return character,

currentLine += c; // add it to the end of the currentLine

}

 

// Check to see if the client request was "GET /H" or "GET /L":

if (currentLine.endsWith("GET /H")) {

digitalWrite(26, HIGH); // GET /H turns the LED on

}

if (currentLine.endsWith("GET /L")) {

digitalWrite(26, LOW); // GET /L turns the LED off

}

}

}

// close the connection:

client.stop();

Serial.println("Client Disconnected.");

}

}