Add WiFi access point functionality and client management to ESP32 code

2025-04-23 10:22:02 +02:00
parent 527b6585ff
commit bd49b7949e
3 changed files with 180 additions and 0 deletions
--- a/Semaine_2/Projet_esp32/esp32_code/Wifi_ap/Wifi_ap.ino
+++ b/Semaine_2/Projet_esp32/esp32_code/Wifi_ap/Wifi_ap.ino
@@ -0,0 +1,106 @@
+#include <WiFi.h>
+#include <WebServer.h>
+#include "esp_wifi.h"
+
+const char* ssid = "ESP32-Louis";
+const char* password = "motdepasse";
+
+WebServer server(80);
+
+void handleRoot() {
+  digitalWrite(2,HIGH);
+  wifi_sta_list_t sta_list;
+  esp_wifi_ap_get_sta_list(&sta_list);
+
+  String page = "";
+  page += "<!DOCTYPE html>";
+  page += "<html>";
+  page += "<head>";
+  page += "<title>ESP32</title>";
+  page += "<meta charset=\"UTF-8\">";
+  page += "</head>";
+  page += "<body>";
+  page += "<h1>Appareils connectés à l'ESP32</h1>";
+  page += "<ul>";
+
+  page += "<ul>";
+
+  for (int i = 0; i < sta_list.num; i++) {
+    const wifi_sta_info_t& client = sta_list.sta[i];
+    char macStr[18];
+    snprintf(macStr, sizeof(macStr),
+             "%02X:%02X:%02X:%02X:%02X:%02X",
+             client.mac[0], client.mac[1], client.mac[2],
+             client.mac[3], client.mac[4], client.mac[5]);
+    page += "<li>MAC : ";
+    page += macStr;
+    page += "</li>";
+  }
+
+  page += "</ul>";
+  page += "<p>Nombre total : " + String(sta_list.num) + "</p>";
+
+  page += "</body></html>";
+
+  server.send(200, "text/html", page);
+  digitalWrite(2,LOW);
+}
+
+void onClientConnected(WiFiEvent_t event, WiFiEventInfo_t info) {
+  digitalWrite(2,HIGH);
+
+  wifi_sta_list_t sta_list;
+  esp_wifi_ap_get_sta_list(&sta_list);
+
+  for (int i = 0; i < sta_list.num; i++) {
+    const wifi_sta_info_t& client = sta_list.sta[i];
+    char macStr[18];
+    snprintf(macStr, sizeof(macStr),
+             "%02X:%02X:%02X:%02X:%02X:%02X",
+             client.mac[0], client.mac[1], client.mac[2],
+             client.mac[3], client.mac[4], client.mac[5]);
+    Serial.print("Adresse MAC : ");
+    Serial.println(macStr);
+  }
+
+  digitalWrite(2,LOW);
+}
+
+void onClientDisconnected(WiFiEvent_t event, WiFiEventInfo_t info) {
+  digitalWrite(2,HIGH);
+  
+  wifi_sta_list_t sta_list;
+  esp_wifi_ap_get_sta_list(&sta_list);
+
+  for (int i = 0; i < sta_list.num; i++) {
+    const wifi_sta_info_t& client = sta_list.sta[i];
+    char macStr[18];
+    snprintf(macStr, sizeof(macStr),
+             "%02X:%02X:%02X:%02X:%02X:%02X",
+             client.mac[0], client.mac[1], client.mac[2],
+             client.mac[3], client.mac[4], client.mac[5]);
+    Serial.print("",macStr);
+  }
+
+  digitalWrite(2,LOW);
+}
+
+void setup() {
+  Serial.begin(115200);
+  WiFi.softAP(ssid, password);
+
+  WiFi.onEvent(onClientConnected, ARDUINO_EVENT_WIFI_AP_STACONNECTED);
+  WiFi.onEvent(onClientDisconnected, ARDUINO_EVENT_WIFI_AP_STADISCONNECTED);
+
+  delay(1000);  // Donne un peu de temps pour démarrer le WiFi
+
+
+  server.on("/", handleRoot);
+  server.begin();
+
+  pinMode(2, OUTPUT);
+}
+
+void loop() {
+  server.handleClient();
+}