09-05-2022, 03:30 AM
(This post was last modified: 09-05-2022, 06:36 AM by KinCony Support.)
[Arduino IDE demo source code for KC868-A8S]--#16-KC868-A8S_Ethernet_Web_server_code
Refer to code #11 of KC868-A8 for download methods
KC868-A8S_Web_Server-ETH.zip (Size: 471.57 KB / Downloads: 263)
KC868-A8S_Web_Server-ETH.zip (Size: 471.57 KB / Downloads: 263)
Code:
/***********************************************************
* Create Your own WebServer for KC868-A8S Smart Controller*
* https://www.kincony.com **
***********************************************************/
#include "PCF8574.h"
#define DEBUG_ETHERNET_WEBSERVER_PORT Serial
// Debug Level from 0 to 4
#define _ETHERNET_WEBSERVER_LOGLEVEL_ 3
#include <WebServer_WT32_ETH01.h>
WiFiServer server(80);
// 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;
// Variable to store the HTTP request
String header;
TwoWire I2Cone = TwoWire(0);
TwoWire I2Ctwo = TwoWire(1);
//set I2C of A8S
PCF8574 pcf8574_I1(&I2Cone,0x22,4,5);
PCF8574 pcf8574_R1(&I2Cone,0x24,4,5);
String relaystate[8]={"relay1state","relay2state","relay3state","relay4state",
"relay5state","relay6state","relay7state","relay8state",
};
String relay1state = "off";// state of relay1
String relay2state = "off";// state of relay2
String relay3state = "off";// state of relay3
String relay4state = "off";// state of relay4
String relay5state = "off";// state of relay5
String relay6state = "off";// state of relay6
String relay7state = "off";// state of relay7
String relay8state = "off";// state of relay8
void ScanKey()
{
for(int i=0;i<=7;i++)
{
if(pcf8574_I1.digitalRead(i) == LOW) //key pressed
{
delay(20);
if(pcf8574_I1.digitalRead(i) == LOW) //key pressed again
{
pcf8574_R1.digitalWrite(i,!pcf8574_R1.digitalRead(i)); // toggle relay1 state
while(pcf8574_I1.digitalRead(i) == LOW); //wait remove hand
if (pcf8574_R1.digitalRead(i) == LOW) relaystate[i+1]="on";else relaystate[i+1]="off";
}
}
}
}
void setup() {
Serial.begin(115200);
// Set PCF8574 pinMode to OUTPUT
for(int i=0;i<=7;i++)
{
pcf8574_R1.pinMode(i, OUTPUT);
}
pcf8574_R1.begin();
for(int i=0;i<=7;i++)
{
pcf8574_I1.pinMode(i, INPUT);
}
pcf8574_I1.begin();
for(int i=0;i<=7;i++)
{
pcf8574_R1.digitalWrite(i, HIGH);
}
while (!Serial);
// Using this if Serial debugging is not necessary or not using Serial port
//while (!Serial && (millis() < 3000));
Serial.print("\nStarting WebServer on " + String(ARDUINO_BOARD));
Serial.println(" with " + String(SHIELD_TYPE));
Serial.println(WEBSERVER_WT32_ETH01_VERSION);
// To be called before ETH.begin()
WT32_ETH01_onEvent();
//bool begin(uint8_t phy_addr=ETH_PHY_ADDR, int power=ETH_PHY_POWER, int mdc=ETH_PHY_MDC, int mdio=ETH_PHY_MDIO,
// eth_phy_type_t type=ETH_PHY_TYPE, eth_clock_mode_t clk_mode=ETH_CLK_MODE);
//ETH.begin(ETH_PHY_ADDR, ETH_PHY_POWER, ETH_PHY_MDC, ETH_PHY_MDIO, ETH_PHY_TYPE, ETH_CLK_MODE);
ETH.begin(ETH_PHY_ADDR, ETH_PHY_POWER);
// Static IP, leave without this line to get IP via DHCP
//bool config(IPAddress local_ip, IPAddress gateway, IPAddress subnet, IPAddress dns1 = 0, IPAddress dns2 = 0);
// ETH.config(myIP, myGW, mySN, myDNS);
//WT32_ETH01_waitForConnect();
// start the web server on port 80
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";pcf8574_R1.digitalWrite(P0, LOW);}
else if (header.indexOf("GET /1/off") >= 0) {relay1state = "off";pcf8574_R1.digitalWrite(P0, HIGH);}
else if (header.indexOf("GET /2/on") >= 0) {relay2state = "on";pcf8574_R1.digitalWrite(P1, LOW);}
else if (header.indexOf("GET /2/off") >= 0) {relay2state = "off";pcf8574_R1.digitalWrite(P1, HIGH);}
else if (header.indexOf("GET /3/on") >= 0) {relay3state = "on";pcf8574_R1.digitalWrite(P2, LOW);}
else if (header.indexOf("GET /3/off") >= 0) {relay3state = "off";pcf8574_R1.digitalWrite(P2, HIGH);}
else if (header.indexOf("GET /4/on") >= 0) {relay4state = "on";pcf8574_R1.digitalWrite(P3, LOW);}
else if (header.indexOf("GET /4/off") >= 0) {relay4state = "off";pcf8574_R1.digitalWrite(P3, HIGH);}
else if (header.indexOf("GET /5/on") >= 0) {relay5state = "on";pcf8574_R1.digitalWrite(P4, LOW);}
else if (header.indexOf("GET /5/off") >= 0) {relay5state = "off";pcf8574_R1.digitalWrite(P4, HIGH);}
else if (header.indexOf("GET /6/on") >= 0) {relay6state = "on";pcf8574_R1.digitalWrite(P5, LOW);}
else if (header.indexOf("GET /6/off") >= 0) {relay6state = "off";pcf8574_R1.digitalWrite(P5, HIGH);}
else if (header.indexOf("GET /7/on") >= 0) {relay7state = "on";pcf8574_R1.digitalWrite(P6, LOW);}
else if (header.indexOf("GET /7/off") >= 0) {relay7state = "off";pcf8574_R1.digitalWrite(P6, HIGH);}
else if (header.indexOf("GET /8/on") >= 0) {relay8state = "on";pcf8574_R1.digitalWrite(P7, LOW);}
else if (header.indexOf("GET /8/off") >= 0) {relay8state = "off";pcf8574_R1.digitalWrite(P7, HIGH);}
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
relay5state = "on";// state of relay5
relay6state = "on";// state of relay6
relay7state = "on";// state of relay7
relay8state = "on";// state of relay8
for(int i=0;i<=7;i++)
{
pcf8574_R1.digitalWrite(i, LOW);
}
}
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
relay5state = "off";// state of relay5
relay6state = "off";// state of relay6
relay7state = "off";// state of relay7
relay8state = "off";// state of relay8
for(int i=0;i<=7;i++)
{
pcf8574_R1.digitalWrite(i, HIGH);
}
}
// 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 auto;text-align: center;font-size: 10px;}");
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 + " relay5:" + relay5state + " relay6:" + relay6state + " relay7:" + relay7state + " relay8:" + relay8state);
}
else
{
// Web Page Heading
client.println("<body><h1>KC868-A8S 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>");
if (relay5state == "off") client.println("<a href=\"/5/on\"><button class=\"button\">05-OFF</button></a>"); else client.println("<a href=\"/5/off\"><button class=\"button\">05--ON </button></a>");
if (relay6state == "off") client.println("<a href=\"/6/on\"><button class=\"button\">06-OFF</button></a>"); else client.println("<a href=\"/6/off\"><button class=\"button\">06--ON </button></a>");
if (relay7state == "off") client.println("<a href=\"/7/on\"><button class=\"button\">07-OFF</button></a>"); else client.println("<a href=\"/7/off\"><button class=\"button\">07--ON </button></a>");
if (relay8state == "off") client.println("<a href=\"/8/on\"><button class=\"button\">08-OFF</button></a>"); else client.println("<a href=\"/8/off\"><button class=\"button\">08--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
}