From 0a98af7b5b2af664b77392c79d4a985fa7f539db Mon Sep 17 00:00:00 2001 From: simonox Date: Tue, 20 Dec 2022 16:30:25 +0100 Subject: [PATCH] Added webserver without credentials --- .gitignore | 3 +- first-webserver/first-webserver.ino | 156 ++++++++++++++++++++++++++++ 2 files changed, 158 insertions(+), 1 deletion(-) create mode 100644 first-webserver/first-webserver.ino diff --git a/.gitignore b/.gitignore index 33a9299..51c0d07 100644 --- a/.gitignore +++ b/.gitignore @@ -1 +1,2 @@ -secrets.yaml \ No newline at end of file +secrets.yaml +credentials.h \ No newline at end of file diff --git a/first-webserver/first-webserver.ino b/first-webserver/first-webserver.ino new file mode 100644 index 0000000..24c0dec --- /dev/null +++ b/first-webserver/first-webserver.ino @@ -0,0 +1,156 @@ +/********* + Rui Santos + Complete project details at http://randomnerdtutorials.com +*********/ + +// Load Wi-Fi library +#include +#include "credentials.h" + +// Replace with your network credentials +const char* ssid = secrect_ssid; +const char* password = secret_password; + +// Set web server port number to 80 +WiFiServer server(80); + +// Variable to store the HTTP request +String header; + +// Auxiliar variables to store the current output state +String output26State = "off"; +String output27State = "off"; + +// Assign output variables to GPIO pins +const int output26 = 26; +const int output27 = 27; + +// Current time +unsigned long currentTime = millis(); +// Previous time +unsigned long previousTime = 0; +// Define timeout time in milliseconds (example: 2000ms = 2s) +const long timeoutTime = 2000; + +void setup() { + Serial.begin(115200); + // Initialize the output variables as outputs + pinMode(output26, OUTPUT); + pinMode(output27, OUTPUT); + // Set outputs to LOW + digitalWrite(output26, LOW); + digitalWrite(output27, LOW); + + // Connect to Wi-Fi network with SSID and password + Serial.print("Connecting to "); + Serial.println(ssid); + WiFi.begin(ssid, password); + while (WiFi.status() != WL_CONNECTED) { + delay(500); + Serial.print("."); + } + // 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, + currentTime = millis(); + previousTime = currentTime; + 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() && 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 the GPIOs on and off + if (header.indexOf("GET /26/on") >= 0) { + Serial.println("GPIO 26 on"); + output26State = "on"; + digitalWrite(output26, HIGH); + } else if (header.indexOf("GET /26/off") >= 0) { + Serial.println("GPIO 26 off"); + output26State = "off"; + digitalWrite(output26, LOW); + } else if (header.indexOf("GET /27/on") >= 0) { + Serial.println("GPIO 27 on"); + output27State = "on"; + digitalWrite(output27, HIGH); + } else if (header.indexOf("GET /27/off") >= 0) { + Serial.println("GPIO 27 off"); + output27State = "off"; + digitalWrite(output27, LOW); + } + + // 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("

ESP32 Web Server

"); + + // Display current state, and ON/OFF buttons for GPIO 26 + client.println("

GPIO 26 - State " + output26State + "

"); + // If the output26State is off, it displays the ON button + if (output26State=="off") { + client.println("

"); + } else { + client.println("

"); + } + + // Display current state, and ON/OFF buttons for GPIO 27 + client.println("

GPIO 27 - State " + output27State + "

"); + // If the output27State is off, it displays the ON button + if (output27State=="off") { + client.println("

"); + } else { + 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(""); + } +} \ No newline at end of file