Update sketch_oct11a.ino

sketch_oct11a.ino

@@ -1,85 +1,87 @@
 #include <ESP8266WiFi.h>
 
-const char* ssid     = "CTDO-g";
-const char* password = "ctdo2342";
-const char* host = "rpi3.raum.ctdo.de";
-const int httpPort = 6600;
-const int buttonPin = 5;
+const char* ssid     = "CTDO-g"; //Netzwerk Name
+const char* password = "ctdo2342"; //Wifi Passwort
+const char* host = "rpi3.raum.ctdo.de"; //MPD Host
+const int httpPort = 6600; //MPD Port
+const int buttonPin = 5; //Pin vom Mikrocontroller
+
 int buttonState;
 bool previousState;
 int previousMillis;
 int currentMillis;
 
 void setup() {
-  Serial.begin(115200);
+  Serial.begin(115200); //Open the Serail Connection for Debugging
   delay(10);
-  pinMode(buttonPin, INPUT);
+  pinMode(buttonPin, INPUT); //Set the Pin to INPUT for checking the Status
 
-  Serial.print("Connecting to ");
+  Serial.print("Connecting to ");  //Print the SSID
   Serial.println(ssid);
   
-  WiFi.mode(WIFI_STA);
+  WiFi.mode(WIFI_STA); //Open the Wifi connection
   WiFi.begin(ssid, password);
   
   while (WiFi.status() != WL_CONNECTED) {
     delay(500);
-    Serial.print(".");
+    Serial.print("."); //Print Dots while Connecting
   }
 
   Serial.println("");
-  Serial.println("WiFi connected");  
+  Serial.println("WiFi connected");  //Selfexplaining
   Serial.println("IP address: ");
   Serial.println(WiFi.localIP());  
 }
 
 void loop() {
-  currentMillis = millis();
-  buttonState = digitalRead(buttonPin);
+  currentMillis = millis(); //Save the current Time
+  buttonState = digitalRead(buttonPin); //Check the Pin Status
   
-  if (currentMillis - previousMillis > 500) {   
-     if (buttonState == HIGH && previousState == false) {
-      mpdbass(true);
-      previousState = true;
-    } else if (buttonState == LOW && previousState == true) {
-      mpdbass(false);
+  if (currentMillis - previousMillis > 500) {   //Atleast all 500 Milliseconds
+     if (buttonState == HIGH && previousState == false) { //If Button pressed
+      mpdbass(true); //Make Bass
+      previousState = true; 
+    } else if (buttonState == LOW && previousState == true) { //If Button released
+      mpdbass(false); //stop Bass
       previousState = false;
     } 
   }
 }
 
 void mpdbass(bool start) {
-  WiFiClient client;
-  if (!client.connect(host, httpPort)) {
-    Serial.println("connection failed");
+  WiFiClient client; //Open Connection
+  if (!client.connect(host, httpPort)) { //When not connected
+    Serial.println("connection failed"); //Error
     return;
   }
   
   unsigned long timeout = millis();
-  while (client.available() == 0) {
-    if (millis() - timeout > 5000) {
-      Serial.println(">>> Client Timeout !");
+  while (client.available() == 0) { //While not connected
+    if (millis() - timeout > 5000) { //If 5 seconds
+      Serial.println(">>> Client Timeout !"); // Timeout
       client.stop();
       return;
     }
   }
   
-  while(client.available()){
+  while(client.available()){ //Print Client Foo
     String line = client.readStringUntil('\r');
     Serial.print(line);
   }
   
-  if (start == true){
+  if (start == true){ //If Button pressed
     Serial.println("Play");
-    client.println("addid \"users/lucas/Alben/Function/Incubation/01 Voiceprint.flac\" 0");
-    client.println("play 0");
+    client.println("addid \"users/lucas/Alben/Function/Incubation/01 Voiceprint.flac\" 0"); //Adds the Song as First Song
+    client.println("setvol 100"); //set Max volume
+    client.println("play 0"); //Play the First song
   } else if (start == false) {
     Serial.println("Remove");
-    client.println("delete 0");
+    client.println("delete 0"); //Remove the first Song (The Bass Song)
+    client.println("setvol 60"); //Set back to 60
   }
 
-  while(client.available()){
+  while(client.available()){ //Print Client Foo
     String line = client.readStringUntil('\r');
     Serial.print(line);
   }
-}
-
+}