Changed from ESP8266 to ESP32. Works much better.

HTTP server is disabled (for now).

include/player.h

@@ -77,11 +77,10 @@ private:
 	uint8_t _volume;
 	uint16_t _stop_delay;
 	uint32_t _skip_to;
-	Adafruit_MCP23017* _mcp;
 	SPIMaster* _spi;
 	unsigned long _stopped_at;
 public:
-	Player(Adafruit_MCP23017* m, SPIMaster* s);
+	Player(SPIMaster* s);
 	void vol_up();
 	void vol_down();
 	void track_next();