Code:
/***********************************************************
* Create Your own WebServer for KC868-A4 Smart Controller*
* https://www.kincony.com **
***********************************************************/
// Load Wi-Fi library
#include <WiFi.h>
#include <WiFiManager.h>
#define TRIGGER_PIN 0 // reset wifi button
WiFiManager wm;
int timeout =20; // seconds to run for
// Replace with your network credentials
/*******config the WIFI by phone*****************/
/* const char* ssid = "xxx"; //your router's ssid
const char* password = "yyy"; //your router's password*/
/*******************************************************/
// Set web server port number to 80
WiFiServer server(80);
// Variable to store the HTTP request
String header;
// Current time
unsigned long currentTime = millis();
// Previous time
unsigned long previousTime = 0;
// Define timeout time in milliseconds (example: 2000ms = 2s)
const long timeoutTime = 2000;
int flag_read_di=0;
String relay1state = "off";// state of relay1
String relay2state = "off";// state of relay2
String relay3state = "off";// state of relay3
String relay4state = "off";// state of relay4
void setup() {
pinMode(TRIGGER_PIN, INPUT_PULLUP); // wifi reset button
Serial.begin(115200);
pinMode(2,OUTPUT);
pinMode(15,OUTPUT);
pinMode(5,OUTPUT);
pinMode(4,OUTPUT);
pinMode(36,INPUT);
pinMode(39,INPUT);
pinMode(27,INPUT);
pinMode(14,INPUT);
digitalWrite(2, HIGH);
digitalWrite(15,HIGH);
digitalWrite(5, HIGH);
digitalWrite(4, HIGH);
WiFi.mode(WIFI_STA);
wm.setConfigPortalTimeout(timeout);
bool res;
res = wm.autoConnect("KC868-A4-AP"); // anonymous ap
if(!res) {
Serial.println("Failed to connect");
}
else {
//if you get here you have connected to the WiFi
Serial.println("connected...yeey :)");
}
// Print local IP address and start web server
Serial.println("");
Serial.println("WiFi connected.");
Serial.println("IP address: ");
Serial.println(WiFi.localIP());
server.begin();
}
void loop(){
WiFiClient client = server.available(); // Listen for incoming clients
if (client) { // If a new client connects,
Serial.println("New Client."); // print a message out in the serial port
String currentLine = ""; // make a String to hold incoming data from the client
currentTime = millis();
previousTime = currentTime;
while (client.connected() && currentTime - previousTime <= timeoutTime) { // loop while the client's connected
currentTime = millis();
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
header += c;
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("Connection: close");
client.println();
// turns 16 relays on and off
if (header.indexOf("GET /1/on") >= 0) {relay1state = "on"; digitalWrite(2, HIGH);}
else if (header.indexOf("GET /1/off") >= 0) {relay1state = "off";digitalWrite(2, LOW);}
else if (header.indexOf("GET /2/on") >= 0) {relay2state = "on"; digitalWrite(15, HIGH);}
else if (header.indexOf("GET /2/off") >= 0) {relay2state = "off";digitalWrite(15, LOW);}
else if (header.indexOf("GET /3/on") >= 0) {relay3state = "on"; digitalWrite(5, HIGH);}
else if (header.indexOf("GET /3/off") >= 0) {relay3state = "off";digitalWrite(5, LOW);}
else if (header.indexOf("GET /4/on") >= 0) {relay4state = "on"; digitalWrite(4, HIGH);}
else if (header.indexOf("GET /4/off") >= 0) {relay4state = "off";digitalWrite(4, LOW);}
else if (header.indexOf("GET /read") >= 0) flag_read_di=1;
else if (header.indexOf("GET /all/on") >= 0)
{
relay1state = "on";// state of relay1
relay2state = "on";// state of relay2
relay3state = "on";// state of relay3
relay4state = "on";// state of relay4
digitalWrite(2, HIGH);
digitalWrite(15,HIGH);
digitalWrite(5, HIGH);
digitalWrite(4, HIGH);
}
else if (header.indexOf("GET /all/off") >= 0)
{
relay1state = "off";// state of relay1
relay2state = "off";// state of relay2
relay3state = "off";// state of relay3
relay4state = "off";// state of relay4
digitalWrite(2, LOW);
digitalWrite(15,LOW);
digitalWrite(5, LOW);
digitalWrite(4, LOW);
}
// Display the HTML web page
client.println("<!DOCTYPE html><html>");
client.println("<head><meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">");
client.println("<link rel=\"icon\" href=\"data:,\">");
// CSS to style the on/off buttons
// Feel free to change the background-color and font-size attributes to fit your preferences
client.println("<style>html { font-family: Helvetica; display: inline-block; border: 3px solid green;margin: 0px 15px;}");
client.println(".button { background-color: #195B00; border-radius: 10px;color: white; padding: 10px 40px;");
client.println("text-decoration: none; font-size: 20px; margin: 2px;text-align: center; cursor: pointer;}");
client.println(".button2 {background-color: #77878A;}</style></head>");
if (flag_read_di==1)
{
client.println(" relay1:" + relay1state + " relay2:" + relay2state + " relay3:" + relay3state + " relay4:" + relay4state );
}
else
{
// Web Page Heading
client.println("<body><h1>KC868-A4 Web Server</h1>");
// Display current state, and ON/OFF buttons for relay
//client.println("<p>relay1 - State " + relay1state + "</p>");
// If the relay is off, it displays the ON button
if (relay1state == "off") client.println("<a href=\"/1/on\"><button class=\"button\">01-OFF</button></a>"); else client.println("<a href=\"/1/off\"><button class=\"button\">01-ON </button></a>");
if (relay2state == "off") client.println("<a href=\"/2/on\"><button class=\"button\">02-OFF</button></a>"); else client.println("<a href=\"/2/off\"><button class=\"button\">02-ON </button></a>");
if (relay3state == "off") client.println("<a href=\"/3/on\"><button class=\"button\">03-OFF</button></a>"); else client.println("<a href=\"/3/off\"><button class=\"button\">03-ON </button></a>");
if (relay4state == "off") client.println("<a href=\"/4/on\"><button class=\"button\">04-OFF</button></a>"); else client.println("<a href=\"/4/off\"><button class=\"button\">04-ON </button></a>");
client.println("<a href=\"/all/on\"><button class=\"button\">All-ON</button></a>");
client.println("<a href=\"/all/off\"><button class=\"button\">All-OFF</button></a>");
}
client.println("</body></html>");
// The HTTP response ends with another blank line
client.println();
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
}
}
}
// Clear the header variable
header = "";
// Close the connection
client.stop();
Serial.println("Client disconnected.");
Serial.println("");
flag_read_di=0;
}
ScanKey(); //scan key
if ( digitalRead(TRIGGER_PIN) == LOW) {wm.resetSettings();ESP.restart();}
}
void ScanKey()
{
if(digitalRead(36) == LOW) //key pressed
{
delay(20);
if(digitalRead(36) == LOW) //key pressed again
{
digitalWrite(2,!digitalRead(2)); // toggle relay1 state
while(digitalRead(36) == LOW); //wait remove hand
if (digitalRead(2) == LOW) relay1state="on";else relay1state="off";
}
}
if(digitalRead(39) == LOW) //key pressed
{
delay(20);
if(digitalRead(39) == LOW) //key pressed again
{
digitalWrite(15,!digitalRead(15)); // toggle relay1 state
while(digitalRead(39) == LOW); //wait remove hand
if (digitalRead(15) == LOW) relay2state="on";else relay2state="off";
}
}
if(digitalRead(27) == LOW) //key pressed
{
delay(20);
if(digitalRead(27) == LOW) //key pressed again
{
digitalWrite(5,!digitalRead(5)); // toggle relay1 state
while(digitalRead(27) == LOW); //wait remove hand
if (digitalRead(5) == LOW) relay3state="on";else relay3state="off";
}
}
if(digitalRead(14) == LOW) //key pressed
{
delay(20);
if(digitalRead(14) == LOW) //key pressed again
{
digitalWrite(4,!digitalRead(4)); // toggle relay1 state
while(digitalRead(14) == LOW); //wait remove hand
if (digitalRead(4) == LOW) relay4state="on";else relay4state="off";
}
}
}
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