// Ce programme permet de se connecter depuis notre smartphone, tablette ou ordinateur au WIFI de l'ESP 32 en local. // La page html correspond à l'adresse 192.168.4.1 // On peut y controler la vitesse d'un moteur à courant continu // Il y a un bouton Download qui permettra de télécharger un fichier.txt contenant l'heure, la température, l'humidité et la vitesse en tr/min // Load Wi-Fi library #include // Replace with your network credentials const char* ssid = "beta2"; const char* password = "123456789"; int motor1Pin1 = 27; int motor1Pin2 = 26; int enable1Pin = 14; // Setting PWM properties const int freq = 30000; const int pwmChannel = 0; const int resolution = 8; int speed = 0; // Set web server port number to 80 WiFiServer server(80); // Variable to store the HTTP request String header; void setup() { Serial.begin(9600); // Connect to Wi-Fi network with SSID and password Serial.print("Setting AP (Access Point)…"); // Remove the password parameter, if you want the AP (Access Point) to be open WiFi.softAP(ssid, password); IPAddress IP = WiFi.softAPIP(); Serial.print("AP IP address: "); Serial.println(IP); server.begin(); // sets the pins as outputs: pinMode(motor1Pin1, OUTPUT); pinMode(motor1Pin2, OUTPUT); pinMode(enable1Pin, OUTPUT); // configure LED PWM functionalitites ledcSetup(pwmChannel, freq, resolution); // attach the channel to the GPIO to be controlled ledcAttachPin(enable1Pin, pwmChannel); ledcWrite(pwmChannel,speed); } 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 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 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 the GPIOs on and off if (header.indexOf("GET /setSpeed?speed=255") >= 0) { speed = 255; ledcWrite(pwmChannel,speed); }else if(header.indexOf("GET /setSpeed?speed=200") >= 0){ speed = 200; ledcWrite(pwmChannel,speed); }else if(header.indexOf("GET /setSpeed?speed=150") >= 0){ speed = 150; ledcWrite(pwmChannel,speed); }else if(header.indexOf("GET /setSpeed?speed=50") >= 0){ speed = 50; ledcWrite(pwmChannel,speed); }else if(header.indexOf("GET /setSpeed?speed=0") >= 0){ speed = 0; ledcWrite(pwmChannel,speed); } // Display the HTML web page client.println(""); client.println(""); client.println(""); // CSS to style the on/off buttons // Feel free to change the background-color and font-size attributes to fit your preferences client.println(""); // Web Page Heading client.println("

Capteur de spores IFV

"); client.println("

"); client.println(""); client.println(""); client.println(""); // 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 } } } // Clear the header variable header = ""; // Close the connection client.stop(); Serial.println("Client disconnected."); Serial.println(""); } }