Update Doorbell-Speaker.ino

Doorbell-Speaker.ino

@@ -1,11 +1,7 @@
-/***************************************************
+/*
-  DFPlayer - A Mini MP3 Player For Arduino
+Sources:
-  <https://www.dfrobot.com/index.php?route=product/product&product_id=1121>
-  <https://www.dfrobot.com/wiki/index.php/DFPlayer_Mini_SKU:DFR0299#Connection_Diagram>
- ***************************************************/
-
-/* Sources:
 https://www.youtube.com/watch?v=kq2RLz65_w0
+https://www.dfrobot.com/wiki/index.php/DFPlayer_Mini_SKU:DFR0299
 https://github.com/pcbreflux/espressif/blob/master/esp32/arduino/sketchbook/ESP32_DFPlayer_full/ESP32_DFPlayer_full.ino
 https://github.com/pcbreflux/espressif/blob/master/esp32/arduino/sketchbook/ESP32_DFPlayer_full/setup.png
 https://randomnerdtutorials.com/esp32-web-server-arduino-ide/
@@ -15,16 +11,16 @@ https://randomnerdtutorials.com/esp32-web-server-arduino-ide/
 #include "DFRobotDFPlayerMini.h"
 #include <WiFi.h>
 
-HardwareSerial mySoftwareSerial(1);
+HardwareSerial hwSerial(1);
-DFRobotDFPlayerMini myDFPlayer;
+DFRobotDFPlayerMini dfPlayer;
-int volume = 8;
+int volume = 5;
 
 const char* ssid     = "LeWe";
 const char* password = "5275274365464843";
 WiFiServer server(80); // Set web server port number to 80
 
 String header;
-String ledState = "on";
+String ledState = "";
 const int ledPin = 26;
 
 unsigned long timestamp = 0;
@@ -32,9 +28,9 @@ unsigned long timestamp = 0;
 
 void setup()
 {
-  mySoftwareSerial.begin(9600, SERIAL_8N1, 18, 19);  // speed, type, TX, RX
-  Serial.begin(115200);
   btStop(); // turn off bluetooth
+  hwSerial.begin(9600, SERIAL_8N1, 18, 19);  // speed, type, TX, RX
+  Serial.begin(115200);
 
 // WiFi & LED ==================================================================
   pinMode(ledPin, OUTPUT);
@@ -54,31 +50,18 @@ void setup()
   Serial.println("IP address: ");
   Serial.println(WiFi.localIP());
   server.begin();
+  delay(500);
 
+  dfPlayer.begin(hwSerial);  //Use softwareSerial to communicate with mp3
+  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);
   
-  if (!myDFPlayer.begin(mySoftwareSerial)) {  //Use softwareSerial to communicate with mp3
+  ledState = "on";
-    Serial.println(myDFPlayer.readType(), HEX);
+  digitalWrite(ledPin, HIGH);
-    Serial.println(F("Unable to begin:"));
+  timestamp = millis();
-    Serial.println(F("1.Please recheck the connection!"));
+  dfPlayer.play(1);  //Play the first mp3
-    Serial.println(F("2.Please insert the SD card!"));
-
-    for (int i=0; i < 5; i++){
-      digitalWrite(ledPin, HIGH);
-      delay(500);
-      digitalWrite(ledPin, LOW);
-      delay(500);
-    }
-  }
-  else {
-    Serial.println(F("DFPlayer Mini online."));
-  
-    myDFPlayer.setTimeOut(500); //Set serial communication time out 500ms
-    myDFPlayer.volume(volume);  //Set volume value (0~30).
-    myDFPlayer.EQ(DFPLAYER_EQ_NORMAL);
-    myDFPlayer.outputDevice(DFPLAYER_DEVICE_SD);
-
-    myDFPlayer.play(1);  //Play the first mp3
-  }
 
 }
 
@@ -114,7 +97,7 @@ void loop() {
               ledState = "on";
               digitalWrite(ledPin, HIGH);
               timestamp = millis();
-              myDFPlayer.play(1);  //Play the first mp3
+              dfPlayer.play(1);  //Play the first mp3
             }
             else  if (header.indexOf("GET /volume/") >= 0) { // yes, I know this is not RESTful
               String str1 = header;
@@ -128,7 +111,7 @@ void loop() {
                 volume = 30;
               }
               
-              myDFPlayer.volume(volume);
+              dfPlayer.volume(volume);
               Serial.print("volume set to ");
               Serial.println(volume);
             }
@@ -141,10 +124,11 @@ void loop() {
             client.println(".button { background-color: #4CAF50; border: none; color: white; padding: 16px 40px; text-decoration: none; font-size: 30px; margin: 2px; cursor: pointer;}");
             client.println(".button2 { background-color: #4CAF50; border: none; color: white; padding: 4px 10px; text-decoration: none; margin: 1px; cursor: pointer;}</style></head>");
             
-             client.println("<body><h1>LeWe T&uuml;rklingel</h1>");
+            client.println("<body><h1>LeWe T&uuml;rklingel</h1>");
-            client.println("<p>LED - State " + ledState + "</p>");
             client.println("<p>Volume: <a href=\"/volume/" + String(volume-1) + "\"><button class=\"button2\">&minus;</button></a> " + String(volume) + " <a href=\"/volume/" + String(volume+1) + "\"><button class=\"button2\">&plus;</button></a></p>");
             client.println("<p><a href=\"/bell/on\"><button class=\"button\">Klingeln</button></a></p>");
+            client.println("<p style='margin-top: 40px; font-size: 8px;'>dfplayer status: " + printDetail(dfPlayer.readType(), dfPlayer.read()) + "</p>");
+            client.println("<p style='font-size: 8px;'>LED - State " + ledState + "</p>");
             client.println("</body></html>");
             
             // The HTTP response ends with another blank line
@@ -168,3 +152,55 @@ void loop() {
     Serial.println("");
   }
 }
+
+String printDetail(uint8_t type, int value){
+  switch (type) {
+    case TimeOut:
+      return "Time Out!";
+      break;
+    case WrongStack:
+      return "Stack Wrong!";
+      break;
+    case DFPlayerCardInserted:
+      return "Card Inserted!";
+      break;
+    case DFPlayerCardRemoved:
+      return "Card Removed!";
+      break;
+    case DFPlayerCardOnline:
+      return "Card Online!";
+      break;
+    case DFPlayerPlayFinished:
+      return "Play Finished!";
+      break;
+    case DFPlayerError:
+      switch (value) {
+        case Busy:
+          return "Error: Card not found";
+          break;
+        case Sleeping:
+          return "Error: Sleeping";
+          break;
+        case SerialWrongStack:
+          return "Error: Get Wrong Stack";
+          break;
+        case CheckSumNotMatch:
+          return "Error: Check Sum Not Match";
+          break;
+        case FileIndexOut:
+          return "Error: File Index Out of Bound";
+          break;
+        case FileMismatch:
+          return "Error: Cannot Find File";
+          break;
+        case Advertise:
+          return "Error: In Advertise";
+          break;
+        default:
+          break;
+      }
+      break;
+    default:
+      break;
+  }
+}