add simple web led control

2 months ago · f7bfd60d71
2 changed files with 122 additions and 0 deletions
--- a/06_webserver_ledbuiltin/06_webserver_ledbuiltin.ino
+++ b/06_webserver_ledbuiltin/06_webserver_ledbuiltin.ino
@ -0,0 +1,53 @@
+#include <WiFi.h>
+#include <WebServer.h>
+#define LED_BUILTIN 2
+const char* ssid = "tksteti";
+const char* password = "ProsimTeNevim";
+WebServer server(80);
+
+void setup() {
+  Serial.begin(115200);
+  pinMode(LED_BUILTIN,OUTPUT);
+
+  WiFi.begin(ssid,password);
+  while(WiFi.status() != WL_CONNECTED) {
+    Serial.print(".");
+    delay(100);
+  }
+  Serial.println("Připojeno k WiFi");
+  Serial.print("IP Adresa:");
+  Serial.println(WiFi.localIP());
+
+  //jednotlivé odkazy
+  server.on("/", handleRoot);
+  server.on("/on", handleOn);
+  server.on("/off", handleOff);
+  server.onNotFound(handleNotFound);
+
+  server.begin();
+  Serial.println("Wwebovy server spusten");
+}
+
+void loop(){
+  server.handleClient(); //Obsluha klientů
+}
+
+//"metoda" pro výpis stránky pro "požadavek"
+void handleRoot() {
+  server.send(200, "text/plain", "Vitej na webove strance tveho ESP32");
+}
+
+void handleOn() {
+  digitalWrite(LED_BUILTIN, HIGH);
+  server.send(200, "text/plain", "LED zapnuta");
+}
+
+void handleOff() {
+  digitalWrite(LED_BUILTIN, LOW);
+  server.send(200, "text/plain", "LED vypnuta");
+}
+
+void handleNotFound() {
+  server.send(404, "text/plain", "Stranka nenalezena");
+}
+
--- a/06a_webserver_ledbuiltin_v2/06a_webserver_ledbuiltin_v2.ino
+++ b/06a_webserver_ledbuiltin_v2/06a_webserver_ledbuiltin_v2.ino
@ -0,0 +1,69 @@
+#include <WiFi.h>
+#include <WebServer.h>
+#define LED_BUILTIN 2
+const char* ssid = "tksteti";
+const char* password = "ProsimTeNevim";
+WebServer server(80);
+
+void setup() {
+  Serial.begin(115200);
+  pinMode(LED_BUILTIN,OUTPUT);
+
+  WiFi.begin(ssid,password);
+  while(WiFi.status() != WL_CONNECTED) {
+    Serial.print(".");
+    delay(100);
+  }
+  Serial.println("Připojeno k WiFi");
+  Serial.print("IP Adresa:");
+  Serial.println(WiFi.localIP());
+
+  //jednotlivé odkazy
+  server.on("/", handleRoot);
+  server.on("/on", handleOn);
+  server.on("/off", handleOff);
+  server.onNotFound(handleNotFound);
+
+  server.begin();
+  Serial.println("Webovy server spusten");
+}
+
+void loop(){
+  server.handleClient(); //Obsluha klientů
+}
+
+//"metoda" pro výpis stránky pro "požadavek"
+void handleRoot() {
+  String html = "<!DOCTYPE html><html><head>";
+  html += "<title>ESP32 LED</title>";
+  html += "</head><body>";
+  html += "<h1> Ovladani LED </h1>";
+  html += "<p> Stav LED: ";
+  if(digitalRead(LED_BUILTIN) == HIGH){
+    html += "ON";
+  } else {
+    html += "OFF";
+  }
+  html += "</p>";
+  html += "<a href='/on'>Zapnout</a> <br>";
+  html += "<a href='/off'>Vypnout</a>";
+  html += "</body></html>";
+  server.send(200, "text/html",html);
+}
+
+void handleOn() {
+  digitalWrite(LED_BUILTIN, HIGH);
+  server.sendHeader("Location", "/");
+  server.send(302, "text/plain", "");
+}
+
+void handleOff() {
+  digitalWrite(LED_BUILTIN, LOW);
+  server.sendHeader("Location", "/");
+  server.send(302, "text/plain", "");
+}
+
+void handleNotFound() {
+  server.send(404, "text/plain", "Stranka nenalezena");
+}
+