Die Position in einer Playlist beilbt beibehalten, solange die Papabox nicht neu gestartet wird.

include/controller.h

@@ -15,6 +15,7 @@ class Controller {
 	bool is_rfid_present = false;
 	unsigned long last_rfid_check = 0;
 	unsigned long last_button_check = 0;
+	unsigned long last_position_save = 0;
 	uint8_t button_pressed = 0;
 	unsigned long button_pressed_since = 0;
 	bool button_already_processed = false;

include/persisted_playlist.h

@@ -0,0 +1,9 @@
+#pragma once
+
+
+struct PersistedPlaylist {
+	String dir;
+	uint16_t file = 0;
+	uint32_t position = 0;
+	PersistedPlaylist(String s="") : dir(s) {}
+};

include/playlist.h

@@ -2,17 +2,19 @@
 
 #include <vector>
 #include <Arduino.h>
+#include "persisted_playlist.h"
 
 class Playlist {
 	private:
 	std::vector<String> files;
 	uint8_t current_file = 0;
 	uint32_t current_time = 0;
-	void set_current_position(uint8_t file, uint32_t position=0);
 	String rfid_id;
+	PersistedPlaylist* pp;
 
 	public:
-	Playlist(String rfid_id="");
+	Playlist();
+	Playlist(String rfid_id, PersistedPlaylist* p);
 	void add_file(String filename);
 	void sort();
 	String get_rfid_id();
@@ -23,4 +25,6 @@ class Playlist {
 	void set_current_time(uint32_t time);
 	uint32_t get_current_time();
 	void shuffle();
+	void set_current_position(uint8_t file, uint32_t position=0);
+	void save_current_position(uint32_t position=0);
 };

include/playlist_manager.h

@@ -4,6 +4,9 @@
 #include <map>
 #include <Arduino.h>
 #include "playlist.h"
+#include "persisted_playlist.h"
+
+class Playlist;
 
 class PlaylistManager {
 	private:
@@ -13,9 +16,10 @@ class PlaylistManager {
 
 	public:
 	PlaylistManager();
-	std::map<String, String> map;
+	std::map<String, PersistedPlaylist> map;
 	Playlist get_playlist(String rfid_id);
 	bool has_playlist(String rfid_id);
 	Playlist current_playlist;
 	void set_audio_current_time(uint32_t time);
+	String pp_to_String();
 };