Systeminfos werden via mp3-Dateien in /system abgespielt.

src/controller.cpp

@@ -134,6 +134,9 @@ void Controller::play(String rfid_id, bool shuffle) {
 			play();
 		} else {
 			Serial.printf("There is no playlist for rfid_id %s\n", rfid_id.c_str());
+			// This is working more or less, but downloading files is really, REALLY slow. (About 4 minutes for 10 MBytes).
+			//download_album(rfid_id);
+			audio.connecttoFS(SD, "/system/sys_unknown_card.mp3");
 		}
 	} else {
 		if (!audio.isRunning()) {
@@ -150,6 +153,11 @@ void Controller::play() {
 		audio.connecttoFS(SD, file.c_str(), current_playlist.get_current_time());
 	} else if (file.startsWith("http")) {
 		log_i("Playing URL %s via connecttohost", file.c_str());
+		audio.connecttoFS(SD, "/system/sys_connecting.mp3");
+		while (audio.isRunning()) {
+			yield();
+			audio.loop();
+		}
 		audio.connecttohost(file.c_str());
 	}
 }
@@ -202,8 +210,12 @@ bool Controller::is_button_pressed(uint8_t pin) {
 	return false;
 }
 
-void Controller::eof_mp3() {
+void Controller::eof_mp3(String info) {
 	log_d("Handling eof. Keep playing until the file is finished.");
 	while(audio.isRunning()) { audio.loop(); yield; }
-	next_track();
+	if (info.startsWith("sys_")) {
+		log_d("File ending was a system audio file. Not running next_track.");
+	} else {
+		next_track();
+	}
 }

src/esmp3.cpp

@@ -94,6 +94,7 @@ void setup() {
 	Serial.println("Setup finished.");
 
 	audio.setVolume(12);
+	audio.connecttoFS(SD, "/system/sys_ready.mp3");
 
 	ftp.begin("", "");
 }
@@ -113,7 +114,7 @@ void audio_id3data(const char *info){  //id3 metadata
 }
 void audio_eof_mp3(const char *info){  //end of file
     Serial.print("eof_mp3     ");Serial.println(info);
-	controller.eof_mp3();
+	controller.eof_mp3(info);
 }
 void audio_showstation(const char *info){
     Serial.print("station     ");Serial.println(info);