Added MQTT client, better speaker handling, fixed bug in FTP server, ...

include/controller.h

@@ -3,6 +3,7 @@
 #include <Arduino.h>
 #include "config.h"
 #include "player.h"
+#include "mqtt_client.h"
 #include <MFRC522.h>
 #include <MCP23S17/MCP23S17.h>
 
@@ -10,6 +11,7 @@ class Controller {
 private:
 	MFRC522* _rfid;
 	MCP* _mcp;
+	MQTTClient* _mqtt_client;
 	bool _rfid_enabled = true;
 	void _check_rfid();
 	void _check_serial();
@@ -25,8 +27,10 @@ private:
 	void _execute_command_help();
 	unsigned long _button_last_pressed_at[NUM_BUTTONS];
 	bool _check_button(uint8_t btn);
+	unsigned long _last_mqtt_report_at = 0;
+	void _send_mqtt_report();
 public:
-	Controller(Player* p, MCP* m);
-	String rfid_uid() { return String(_last_rfid_card_uid, HEX); }
+	Controller(Player* p, MCP* m, MQTTClient* mqtt);
+	String get_status_json();
 	void loop();
 };

include/mqtt_client.h

@@ -0,0 +1,18 @@
+#pragma once
+
+#include "config.h"
+#include <PubSubClient.h>
+#include <ESP8266WiFi.h>
+
+class MQTTClient {
+private:
+	WiFiClient* _wifi_client;
+	PubSubClient* _mqtt;
+	unsigned long _last_reconnect_attempt;
+	void _reconnect();
+public:
+	MQTTClient();
+	void loop();
+	void publish_status(String s);
+	void publish_rfid_uid(uint32_t uid);
+};

include/player.h

@@ -57,7 +57,7 @@ private:
 	void _play_file(String filename, uint32_t offset);
 	uint32_t _id3_tag_offset(File f);
 	void _finish_playing();
-	void _finish_stopping();
+	void _finish_stopping(bool turn_speaker_off);
 	void _mute();
 	void _unmute();
 	void _sleep();
@@ -95,7 +95,7 @@ public:
 	void play_random_album();
 	bool play_song(String album, uint8_t song_index, uint32_t offset=0);
 	void play_system_sound(String filename);
-	void stop();
+	void stop(bool turn_speaker_off=true);
 	bool loop();
 	void set_volume(uint8_t vol, bool save = true);
 	std::list<String> ls(String path, bool withFiles=true, bool withDirs=true, bool withHidden=false);