diff --git a/Marlin/src/lcd/anycubic_serial.cpp b/Marlin/src/lcd/HardwareSerial.cpp
similarity index 90%
rename from Marlin/src/lcd/anycubic_serial.cpp
rename to Marlin/src/lcd/HardwareSerial.cpp
index a63f0ca5..2727125e 100755
--- a/Marlin/src/lcd/anycubic_serial.cpp
+++ b/Marlin/src/lcd/HardwareSerial.cpp
@@ -1,9 +1,4 @@
 /*
-  AnycubicSerial.cpp  --- Support for Anycubic i3 Mega TFT serial connection
-  Created by Christian Hopp on 2017-12-09
-  Modified by Oliver Köster on 2020-06-02
-
-  Original file:
   HardwareSerial.cpp - Hardware serial library for Wiring
   Copyright (c) 2006 Nicholas Zambetti.  All right reserved.
 
@@ -40,7 +35,7 @@
 // this is so I can support Attiny series and any other chip without a uart
 #if defined(UBRR3H)
 
-#include "anycubic_serial.h"
+#include "HardwareSerial.h"
 
 // Define constants and variables for buffering incoming serial data.  We're
 // using a ring buffer (I think), in which head is the index of the location
@@ -116,7 +111,7 @@ ISR(USART3_UDRE_vect)
 #endif
 
 
-AnycubicSerialClass::AnycubicSerialClass(ring_buffer *rx_buffer, ring_buffer *tx_buffer,
+HardwareSerialClass::HardwareSerialClass(ring_buffer *rx_buffer, ring_buffer *tx_buffer,
                                          volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
                                          volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
                                          volatile uint8_t *ucsrc, volatile uint8_t *udr,
@@ -139,7 +134,7 @@ AnycubicSerialClass::AnycubicSerialClass(ring_buffer *rx_buffer, ring_buffer *tx
 
 // Public Methods //////////////////////////////////////////////////////////////
 
-void AnycubicSerialClass::begin(unsigned long baud)
+void HardwareSerialClass::begin(unsigned long baud)
 {
   uint16_t baud_setting;
   bool use_u2x = true;
@@ -182,7 +177,7 @@ try_again:
   cbi(*_ucsrb, _udrie);
 }
 
-void AnycubicSerialClass::begin(unsigned long baud, byte config)
+void HardwareSerialClass::begin(unsigned long baud, byte config)
 {
   uint16_t baud_setting;
   uint8_t current_config;
@@ -230,7 +225,7 @@ try_again:
   cbi(*_ucsrb, _udrie);
 }
 
-void AnycubicSerialClass::end()
+void HardwareSerialClass::end()
 {
   // wait for transmission of outgoing data
   while (_tx_buffer->head != _tx_buffer->tail)
@@ -245,12 +240,12 @@ void AnycubicSerialClass::end()
   _rx_buffer->head = _rx_buffer->tail;
 }
 
-int AnycubicSerialClass::available(void)
+int HardwareSerialClass::available(void)
 {
   return (int)(SERIAL_BUFFER_SIZE + _rx_buffer->head - _rx_buffer->tail) % SERIAL_BUFFER_SIZE;
 }
 
-int AnycubicSerialClass::peek(void)
+int HardwareSerialClass::peek(void)
 {
   if (_rx_buffer->head == _rx_buffer->tail)
   {
@@ -262,7 +257,7 @@ int AnycubicSerialClass::peek(void)
   }
 }
 
-int AnycubicSerialClass::read(void)
+int HardwareSerialClass::read(void)
 {
   // if the head isn't ahead of the tail, we don't have any characters
   if (_rx_buffer->head == _rx_buffer->tail)
@@ -277,7 +272,7 @@ int AnycubicSerialClass::read(void)
   }
 }
 
-void AnycubicSerialClass::flush()
+void HardwareSerialClass::flush()
 {
   // UDR is kept full while the buffer is not empty, so TXC triggers when EMPTY && SENT
   while (transmitting && !(*_ucsra & _BV(TXC0)))
@@ -285,7 +280,7 @@ void AnycubicSerialClass::flush()
   transmitting = false;
 }
 
-size_t AnycubicSerialClass::write(uint8_t c)
+size_t HardwareSerialClass::write(uint8_t c)
 {
   int i = (_tx_buffer->head + 1) % SERIAL_BUFFER_SIZE;
 
@@ -306,13 +301,13 @@ size_t AnycubicSerialClass::write(uint8_t c)
   return 1;
 }
 
-AnycubicSerialClass::operator bool()
+HardwareSerialClass::operator bool()
 {
   return true;
 }
 
 #if defined(UBRR3H)
-AnycubicSerialClass AnycubicSerial(&rx_buffer_ajg, &tx_buffer_ajg, &UBRR3H, &UBRR3L, &UCSR3A, &UCSR3B, &UCSR3C, &UDR3, RXEN3, TXEN3, RXCIE3, UDRIE3, U2X3);
+HardwareSerialClass HardwareSerial(&rx_buffer_ajg, &tx_buffer_ajg, &UBRR3H, &UBRR3L, &UCSR3A, &UCSR3B, &UCSR3C, &UDR3, RXEN3, TXEN3, RXCIE3, UDRIE3, U2X3);
 #endif
 
 #endif
diff --git a/Marlin/src/lcd/anycubic_serial.h b/Marlin/src/lcd/HardwareSerial.h
similarity index 72%
rename from Marlin/src/lcd/anycubic_serial.h
rename to Marlin/src/lcd/HardwareSerial.h
index 2c2aa1e1..385a7bbd 100755
--- a/Marlin/src/lcd/anycubic_serial.h
+++ b/Marlin/src/lcd/HardwareSerial.h
@@ -1,10 +1,4 @@
 /*
-  AnycubicSerial.h  --- Support for Anycubic i3 Mega TFT serial connection
-  Created by Christian Hopp on 2017-12-09
-  Modified by Oliver Köster on 2020-06-02
- 
-  Original file:
-
   HardwareSerial.h - Hardware serial library for Wiring
   Copyright (c) 2006 Nicholas Zambetti.  All right reserved.
 
@@ -26,8 +20,8 @@
   Modified 14 August 2012 by Alarus
 */
 
-#ifndef anycubic_serial_h
-#define anycubic_serial_h
+#ifndef hardwareserial_h
+#define hardwareserial_h
 
 #include <inttypes.h>
 #include <avr/pgmspace.h>
@@ -38,7 +32,7 @@
 
 struct ring_buffer;
 
-class AnycubicSerialClass : public Stream
+class HardwareSerialClass : public Stream
 {
 private:
   ring_buffer *_rx_buffer;
@@ -57,7 +51,7 @@ private:
   bool transmitting;
 
 public:
-  AnycubicSerialClass(ring_buffer *rx_buffer, ring_buffer *tx_buffer,
+  HardwareSerialClass(ring_buffer *rx_buffer, ring_buffer *tx_buffer,
                       volatile uint8_t *ubrrh, volatile uint8_t *ubrrl,
                       volatile uint8_t *ucsra, volatile uint8_t *ucsrb,
                       volatile uint8_t *ucsrc, volatile uint8_t *udr,
@@ -105,44 +99,44 @@ public:
 #define SERIAL_8O2 0x3E
 
 #if defined(UBRR3H)
-extern AnycubicSerialClass AnycubicSerial;
+extern HardwareSerialClass HardwareSerial;
 #endif
 
 extern void serialEventRun(void) __attribute__((weak));
 
-#define ANYCUBIC_SERIAL_PROTOCOL(x) (AnycubicSerial.print(x))
-#define ANYCUBIC_SERIAL_PROTOCOL_F(x, y) (AnycubicSerial.print(x, y))
-#define ANYCUBIC_SERIAL_PROTOCOLPGM(x) (AnycubicSerialprintPGM(PSTR(x)))
-#define ANYCUBIC_SERIAL_(x) (AnycubicSerial.print(x), AnycubicSerial.write('\n'))
-#define ANYCUBIC_SERIAL_PROTOCOLLN(x) (AnycubicSerial.print(x), AnycubicSerial.write('\r'), AnycubicSerial.write('\n'))
-#define ANYCUBIC_SERIAL_PROTOCOLLNPGM(x) (AnycubicSerialprintPGM(PSTR(x)), AnycubicSerial.write('\r'), AnycubicSerial.write('\n'))
+#define ANYCUBIC_SERIAL_PROTOCOL(x) (HardwareSerial.print(x))
+#define ANYCUBIC_SERIAL_PROTOCOL_F(x, y) (HardwareSerial.print(x, y))
+#define ANYCUBIC_SERIAL_PROTOCOLPGM(x) (HardwareSerialprintPGM(PSTR(x)))
+#define ANYCUBIC_SERIAL_(x) (HardwareSerial.print(x), HardwareSerial.write('\n'))
+#define ANYCUBIC_SERIAL_PROTOCOLLN(x) (HardwareSerial.print(x), HardwareSerial.write('\r'), HardwareSerial.write('\n'))
+#define ANYCUBIC_SERIAL_PROTOCOLLNPGM(x) (HardwareSerialprintPGM(PSTR(x)), HardwareSerial.write('\r'), HardwareSerial.write('\n'))
 
-#define ANYCUBIC_SERIAL_START() (AnycubicSerial.write('\r'), AnycubicSerial.write('\n'))
-#define ANYCUBIC_SERIAL_CMD_SEND(x) (AnycubicSerialprintPGM(PSTR(x)), AnycubicSerial.write('\r'), AnycubicSerial.write('\n'))
-#define ANYCUBIC_SERIAL_ENTER() (AnycubicSerial.write('\r'), AnycubicSerial.write('\n'))
-#define ANYCUBIC_SERIAL_SPACE() (AnycubicSerial.write(' '))
+#define ANYCUBIC_SERIAL_START() (HardwareSerial.write('\r'), HardwareSerial.write('\n'))
+#define ANYCUBIC_SERIAL_CMD_SEND(x) (HardwareSerialprintPGM(PSTR(x)), HardwareSerial.write('\r'), HardwareSerial.write('\n'))
+#define ANYCUBIC_SERIAL_ENTER() (HardwareSerial.write('\r'), HardwareSerial.write('\n'))
+#define ANYCUBIC_SERIAL_SPACE() (HardwareSerial.write(' '))
 
 const char newErr[] PROGMEM = "ERR ";
 const char newSucc[] PROGMEM = "OK";
 
-#define ANYCUBIC_SERIAL_ERROR_START (AnycubicSerialprintPGM(newErr))
+#define ANYCUBIC_SERIAL_ERROR_START (HardwareSerialprintPGM(newErr))
 #define ANYCUBIC_SERIAL_ERROR(x) ANYCUBIC_SERIAL_PROTOCOL(x)
 #define ANYCUBIC_SERIAL_ERRORPGM(x) ANYCUBIC_SERIAL_PROTOCOLPGM(x)
 #define ANYCUBIC_SERIAL_ERRORLN(x) ANYCUBIC_SERIAL_PROTOCOLLN(x)
 #define ANYCUBIC_SERIAL_ERRORLNPGM(x) ANYCUBIC_SERIAL_PROTOCOLLNPGM(x)
 
 #define ANYCUBIC_SERIAL_ECHOLN(x) ANYCUBIC_SERIAL_PROTOCOLLN(x)
-#define ANYCUBIC_SERIAL_SUCC_START (AnycubicSerialprintPGM(newSucc))
+#define ANYCUBIC_SERIAL_SUCC_START (HardwareSerialprintPGM(newSucc))
 #define ANYCUBIC_SERIAL_ECHOPAIR(name, value) (serial_echopair_P(PSTR(name), (value)))
 #define ANYCUBIC_SERIAL_ECHOPGM(x) ANYCUBIC_SERIAL_PROTOCOLPGM(x)
 #define ANYCUBIC_SERIAL_ECHO(x) ANYCUBIC_SERIAL_PROTOCOL(x)
 
-FORCE_INLINE void AnycubicSerialprintPGM(const char *str)
+FORCE_INLINE void HardwareSerialprintPGM(const char *str)
 {
   char ch = pgm_read_byte(str);
   while (ch)
   {
-    AnycubicSerial.write(ch);
+    HardwareSerial.write(ch);
     ch = pgm_read_byte(++str);
   }
 }
diff --git a/Marlin/src/lcd/anycubic_touchscreen.cpp b/Marlin/src/lcd/anycubic_touchscreen.cpp
index 4c559897..2e1635e1 100755
--- a/Marlin/src/lcd/anycubic_touchscreen.cpp
+++ b/Marlin/src/lcd/anycubic_touchscreen.cpp
@@ -41,7 +41,7 @@
 
 #ifdef ANYCUBIC_TOUCHSCREEN
 #include "anycubic_touchscreen.h"
-#include "anycubic_serial.h"
+#include "HardwareSerial.h"
 
 char _conv[8];
 
@@ -92,7 +92,7 @@ AnycubicTouchscreenClass::AnycubicTouchscreenClass()
 
 void AnycubicTouchscreenClass::Setup()
 {
-  AnycubicSerial.begin(115200);
+  HardwareSerial.begin(115200);
   //ANYCUBIC_SERIAL_START();
   ANYCUBIC_SERIAL_PROTOCOLPGM("J17"); // J17 Main board reset
   ANYCUBIC_SERIAL_ENTER();
@@ -566,6 +566,7 @@ void AnycubicTouchscreenClass::Ls()
     uint16_t max_files;
     uint16_t dir_files = card.countFilesInWorkDir();
 
+    // What is this shit? What if there are exactely 3 files+folders?
     if ((dir_files - filenumber) < 4)
     {
       max_files = dir_files;
@@ -888,9 +889,9 @@ void AnycubicTouchscreenClass::FilamentRunout()
 void AnycubicTouchscreenClass::GetCommandFromTFT()
 {
   char *starpos = NULL;
-  while (AnycubicSerial.available() > 0 && TFTbuflen < TFTBUFSIZE)
+  while (HardwareSerial.available() > 0 && TFTbuflen < TFTBUFSIZE)
   {
-    serial3_char = AnycubicSerial.read();
+    serial3_char = HardwareSerial.read();
     if (serial3_char == '\n' ||
         serial3_char == '\r' ||
         serial3_char == ':' ||