Changed from ESP8266 to ESP32. Works much better.

HTTP server is disabled (for now).

include/controller.h

@@ -5,12 +5,10 @@
 #include "player.h"
 #include "mqtt_client.h"
 #include <MFRC522.h>
-#include <Adafruit_MCP23017.h>
 
 class Controller {
 private:
 	MFRC522* _rfid;
-	Adafruit_MCP23017* _mcp;
 	SPIMaster* _spi;
 	MQTTClient* _mqtt_client;
 	bool _rfid_enabled = true;
@@ -32,7 +30,7 @@ private:
 	unsigned long _last_mqtt_report_at = 0;
 	void _send_mqtt_report();
 public:
-	Controller(Player* p, Adafruit_MCP23017* m, SPIMaster* s);
+	Controller(Player* p, SPIMaster* s);
 	void set_mqtt_client(MQTTClient* m);
 	String get_status_json();
 	void loop();

include/http_server.h

@@ -1,3 +1,4 @@
+/*
 #pragma once
 #include <ESP8266WebServer.h>
 #include "player.h"
@@ -25,3 +26,4 @@ public:
 	HTTPServer(Player* p, Controller* c);
 	void loop();
 };
+*/

include/mqtt_client.h

@@ -2,7 +2,7 @@
 
 #include "config.h"
 #include <PubSubClient.h>
-#include <ESP8266WiFi.h>
+#include <WiFiClient.h>
 
 class MQTTClient {
 private:

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();

include/spi_master.h

@@ -5,11 +5,8 @@
 #include "config.h"
 
 class SPIMaster {
-private:
-	Adafruit_MCP23017* _mcp;
 public:
-	SPIMaster(Adafruit_MCP23017* m) {
-		_mcp = m;
+	SPIMaster() {
 		PIN_SD_CS_SETUP();
 		PIN_VS1053_XCS_SETUP();
 		PIN_VS1053_XDCS_SETUP();

include/tools.h

@@ -1,8 +0,0 @@
-#include <Adafruit_MCP23017.h>
-#include "config.h"
-
-void print_mcp_status(Adafruit_MCP23017* mcp) {
-	DEBUG("                   AAAAAAAA BBBBBBBB\n");
-	DEBUG("                   76543210 76543210\n");
-	DEBUG("State of MCP pins: %08s %08s\n", String(mcp->readGPIO(0), 2).c_str(), String(mcp->readGPIO(1), 2).c_str());
-}