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Árni Björnsson
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1 parent 17b8e99 commit 35921b9

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4 files changed

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‎Lampi.io/data/index.html‎

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<!DOCTYPE html>
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<html>
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<head>
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<title>ESP32 Web Server</title>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<link rel="icon" href="data:,">
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<link rel="stylesheet" type="text/css" href="style.css">
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</head>
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<body>
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<h1>ESP32 Web Server</h1>
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<p>GPIO state: <strong> %STATE%</strong></p>
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<p><a href="/on"><button class="button">ON</button></a></p>
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<p><a href="/off"><button class="button button2">OFF</button></a></p>
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</body>
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</html>

‎Lampi.io/data/style.css‎

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html {
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font-family: Helvetica;
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display: inline-block;
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margin: 0px auto;
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text-align: center;
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}
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h1{
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color: #0F3376;
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padding: 2vh;
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}
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p{
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font-size: 1.5rem;
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}
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.button {
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display: inline-block;
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background-color: #008CBA;
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border: none;
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border-radius: 4px;
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color: white;
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padding: 16px 40px;
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text-decoration: none;
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font-size: 30px;
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margin: 2px;
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cursor: pointer;
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}
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.button2 {
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background-color: #f44336;
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}

‎Lampi.io/platformio.ini‎

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platform = espressif32
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board = seeed_xiao_esp32c3
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framework = arduino
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# or using GIT Url (the latest development version)
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lib_deps =
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https://github.com/me-no-dev/ESPAsyncWebServer.git
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;ESP Async WebServer
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me-no-dev/AsyncTCP@^1.1.1

‎Lampi.io/src/main.cpp‎

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/*********
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Rui Santos
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Complete project details at https://randomnerdtutorials.com
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*********/
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// Import required libraries
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#include "WiFi.h"
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#include "ESPAsyncWebServer.h"
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#include "SPIFFS.h"
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// Replace with your network credentials
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const char* ssid = "Hotspot";
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const char* password = "Password";
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// Set LED GPIO
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const int ledPin = 2;
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// Stores LED state
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String ledState;
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// Create AsyncWebServer object on port 80
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AsyncWebServer server(80);
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// Replaces placeholder with LED state value
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String processor(const String& var){
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Serial.println(var);
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if(var == "STATE"){
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if(digitalRead(ledPin)){
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ledState = "ON";
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}
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else{
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ledState = "OFF";
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}
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Serial.print(ledState);
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return ledState;
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}
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return String();
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}
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void setup() {
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void setup(){
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// Serial port for debugging purposes
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Serial.begin(115200);
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pinMode(ledPin, OUTPUT);
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// Initialize SPIFFS
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if(!SPIFFS.begin(true)){
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Serial.println("An Error has occurred while mounting SPIFFS");
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return;
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}
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File file = SPIFFS.open("/test_example.txt");
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if(!file){
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Serial.println("Failed to open file for reading");
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return;
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// Connect to Wi-Fi
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WiFi.begin(ssid, password);
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while (WiFi.status() != WL_CONNECTED) {
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delay(1000);
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Serial.println("Connecting to WiFi..");
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}
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// Print ESP32 Local IP Address
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Serial.println(WiFi.localIP());
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// Route for root / web page
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server.on("/", HTTP_GET, [](AsyncWebServerRequest *request){
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request->send(SPIFFS, "/index.html", String(), false, processor);
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});
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Serial.println("File Content:");
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while(file.available()){
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Serial.write(file.read());
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}
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file.close();
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}
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void loop() {
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delay(2000);
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// Route to load style.css file
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server.on("/style.css", HTTP_GET, [](AsyncWebServerRequest *request){
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request->send(SPIFFS, "/style.css", "text/css");
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});
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File file = SPIFFS.open("/test_example.txt");
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if(!file){
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Serial.println("Failed to open file for reading");
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return;
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}
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// Route to set GPIO to HIGH
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server.on("/on", HTTP_GET, [](AsyncWebServerRequest *request){
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digitalWrite(ledPin, HIGH);
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request->send(SPIFFS, "/index.html", String(), false, processor);
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});
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Serial.println("File Content:");
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while(file.available()){
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Serial.write(file.read());
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}
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Serial.println("");
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file.close();
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// Route to set GPIO to LOW
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server.on("/off", HTTP_GET, [](AsyncWebServerRequest *request){
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digitalWrite(ledPin, LOW);
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request->send(SPIFFS, "/index.html", String(), false, processor);
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});
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// Start server
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server.begin();
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}
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void loop(){
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}

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