Erstellt Grundgerüst

contact.ino

@@ -0,0 +1,86 @@
+#include <WiFi.h>
+#include <HTTPClient.h>
+#include<SPI.h>
+#include <MFRC522.h>
+#define SS_PIN 5
+#define RST_PIN 9//not used for esp32
+
+byte readCard[4];
+MFRC522 mfrc522(SS_PIN, RST_PIN);
+
+const char* ssid     = "TL";
+const char* password = "a6de45eae0632f44de6a92511e";
+const char* serverName = "https://informatik.hs-bremerhaven.de/online/qrcorona/weiterverarbeiten.php";
+
+int freq = 2000;
+int channel = 0;
+int resolution = 8;
+
+
+void sendData(String key) {
+  HTTPClient http;
+  http.begin(serverName);
+  http.addHeader("Content-Type", "application/x-www-form-urlencoded");
+  String httpRequestData = String("roomname=TestRaum&fromtime=12:34&totime=12:35&qr="+key);
+  int httpResponseCode = http.POST(httpRequestData);
+  Serial.println(httpResponseCode);
+}
+
+void setup() {
+  Serial.begin(115200);
+  delay(10);
+
+  Serial.println();
+  Serial.print("Verbinde zu: ");
+  Serial.println(ssid);
+
+
+
+// Bring Up Wifi
+  WiFi.begin(ssid, password);
+
+  //while (WiFi.status() != WL_CONNECTED) {
+  //  delay(100);
+  //  Serial.print(".");
+  //}
+
+  Serial.println();
+  Serial.print("IP: ");
+  Serial.println(WiFi.localIP());
+
+// init RFID
+  SPI.begin();       
+  mfrc522.PCD_Init();
+
+// Piep
+  ledcSetup(channel, freq, resolution);
+  ledcAttachPin(27, channel);
+  for (int i = 0; i<20000; i=i+100){
+    ledcWriteTone(channel, i);
+    Serial.println(i);
+    delay(200);
+  }
+
+
+}
+
+void loop() {
+  //if(WiFi.status()== WL_CONNECTED){
+    if ( ! mfrc522.PICC_IsNewCardPresent()) {
+      return;
+     }
+    if ( ! mfrc522.PICC_ReadCardSerial()) { 
+      return;
+    }
+    String CardID="";
+    Serial.println(F("Scanned PICC's UID:"));
+    for ( uint8_t i = 0; i < 4; i++) {
+      readCard[i] = mfrc522.uid.uidByte[i];
+      Serial.print(readCard[i], HEX);
+      CardID=CardID+String(readCard[i], HEX);
+    }
+    //sendData(CardID);
+    Serial.println("");
+    mfrc522.PICC_HaltA();
+  //}
+}