/* Description: Start the Web Server in the local network and the user can obtain the page response by accessing the assigned IP address. Please install library before compiling: Ethernet2: file in M5stack lib examples -> modules -> W5500 -> Ethernet2.zip （unzip the lib zip file to the Arduino Lib path） */ #include #include #include #define SCK 18 #define MISO 19 #define MOSI 23 #define CS 26 // 01 05 00 01 02 00 9d 6a char uart_buffer[8] = {0x01, 0x05, 0x00, 0x01, 0x02, 0x00, 0x9d, 0x6a}; char uart_rx_buffer[8] = {0}; char Num = 0; char stringnum = 0; unsigned long W5500DataNum = 0; unsigned long Send_Num_Ok = 0; unsigned long Rec_Num = 0; unsigned long Rec_Num_Ok = 0; // Enter a MAC address and IP address for your controller below. // The IP address will be dependent on your local network: byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED }; IPAddress ip(192, 168, 1, 177); // Initialize the Ethernet server library // with the IP address and port you want to use // (port 80 is default for HTTP): EthernetServer server(80); void setup() { // Open serial communications and wait for port to open: M5.begin(true, false, true); M5.Power.begin(); while (!Serial) { ; // wait for serial port to connect. Needed for Leonardo only } SPI.begin(SCK, MISO, MOSI, -1); Ethernet.init(CS); // start the Ethernet connection and the server: Ethernet.begin(mac, ip); server.begin(); Serial.print("server is at "); Serial.println(Ethernet.localIP()); M5.Lcd.println("M5Stack W5500 Test"); M5.Lcd.println(" "); M5.Lcd.print(Ethernet.localIP()); } void loop() { // listen for incoming clients EthernetClient client = server.available(); if (client) { Serial.println("new client"); // an http request ends with a blank line boolean currentLineIsBlank = true; while (client.connected()) { if (client.available()) { char c = client.read(); Serial.write(c); // if you've gotten to the end of the line (received a newline // character) and the line is blank, the http request has ended, // so you can send a reply if (c == '\n' && currentLineIsBlank) { // send a standard http response header client.println("HTTP/1.1 200 OK"); client.println("Content-Type: text/html"); client.println("Connection: close"); // the connection will be closed after completion of the response client.println("Refresh: 5"); // refresh the page automatically every 5 sec client.println(); client.println(""); client.println(""); client.println(""); client.println("

M5Stack W5500 Test

"); client.println("
"); client.println("

Please click here

"); client.println("M5Stack"); client.println("
"); client.println("
"); client.println("
"); client.print("W5500 Counter Num :"); client.print(W5500DataNum); client.println("
"); client.println("
"); W5500DataNum ++; client.print("Rec_Num_Ok Counter :"); client.print(Rec_Num_Ok); client.println("
"); client.println("
"); client.print("Rec_Num Counter :"); client.print(Rec_Num); client.println("
"); client.println("
"); client.println(""); client.println(""); break; } if (c == '\n') { // you're starting a new line currentLineIsBlank = true; } else if (c != '\r') { // you've gotten a character on the current line currentLineIsBlank = false; } } } // give the web browser time to receive the data delay(1); // close the connection: client.stop(); Serial.println("client disconnected"); } }