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doorbell/klingel_v3_wemos/klingel_v3_wemos.ino

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+/*
+ * dfPlayer auf Wemos D1: https://forum.arduino.cc/t/dfplayer-mini-mit-wemos-d1-uno/677980/3
+ */
+
+#include "DFRobotDFPlayerMini.h"
+#include "ESP8266WiFi.h"
+
+#include <SPI.h>
+#include <Ethernet.h>
+
+
+DFRobotDFPlayerMini dfPlayer;
+int volume = 5;
+
+byte mac[] = { 0x02, 0x60, 0x0D, 0xF0, 0x0D, 0x04 };
+IPAddress ip(192, 168, 178, 60);
+EthernetServer server(80);
+
+
+void setup() {
+  WiFi.mode(WIFI_OFF);
+
+  Serial.begin(115200);
+  Serial.println();
+  Serial.println("Starting server");
+  
+  Ethernet.init(5); // W5500 CS PIN auf D1
+  Ethernet.begin(mac, ip);
+
+  if (Ethernet.hardwareStatus() == EthernetNoHardware) {
+    Serial.println("Ethernet shield not found");
+    while (true) {
+      delay(1);
+    }
+  }
+  if (Ethernet.linkStatus() == LinkOFF) {
+    Serial.println("Ethernet cable is not connected.");
+  }
+
+  
+  Serial1.begin(9600);// TX liegt auf Pin D4 RX geht nicht !!
+
+  dfPlayer.begin(Serial1);
+  delay(100);
+  dfPlayer.setTimeOut(500); // Set serial communication time out 500ms
+  dfPlayer.volume(volume);  // Set volume value (0~30).
+  dfPlayer.EQ(DFPLAYER_EQ_NORMAL);
+  dfPlayer.outputDevice(DFPLAYER_DEVICE_SD);
+  dfPlayer.play(2);
+
+  server.begin();
+  Serial.println(Ethernet.localIP());
+
+}
+
+void loop() {
+  EthernetClient client = server.available();
+  if (client) {
+    Serial.println("new client");
+    // an http request ends with a blank line
+    bool currentLineIsBlank = true;
+
+    byte trigger = 0;
+    char uri[64];
+    byte idx = 0;
+    boolean uriLine = false;
+
+    while (client.connected()) {
+      if (client.available()) {
+        char c = client.read();
+
+        if (currentLineIsBlank && c == 'G') {
+          uriLine = true;
+          uri[idx] = c;
+          idx++;
+        }
+        else if (uriLine) {
+          if (c == '\n') {
+            uriLine = false;
+            uri[idx] = '\0';
+          }
+          else {
+            uri[idx] = c;
+            idx++;
+          }
+        }
+
+        Serial.write(c);
+        // if you've gotten to the end of the line (received a newline
+        // character) and the line is blank, the http request has ended,
+        // so you can send a reply
+        if (c == '\n' && currentLineIsBlank) {
+          // send a standard http response header
+          client.println("HTTP/1.1 200 OK");
+          client.println("Content-Type: text/plain");
+          client.println("Connection: close");  // the connection will be closed after completion of the response
+          client.println();
+          client.println("bonjour");
+          dfPlayer.play(1);
+          break;
+        }
+        if (c == '\n') {
+          // you're starting a new line
+          currentLineIsBlank = true;
+        } else if (c != '\r') {
+          // you've gotten a character on the current line
+          currentLineIsBlank = false;
+        }
+      }
+    }
+    // give the web browser time to receive the data
+    delay(10);
+    // close the connection:
+    client.stop();
+    Serial.println("client disconnected");
+  }
+}