Bugfix 2.1.x (#2)

* 🩹 Update KEDI / GODI LCD_PINS_EN pin (MarlinFirmware#25886)

* [cron] Bump distribution date (2023-05-29)

* 🩹 Fix and improve GT2560 pins (MarlinFirmware#25890)

Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>

* 🔨 Install 'heatshrink' if needed (MarlinFirmware#25896)

* [cron] Bump distribution date (2023-05-30)

* 🔧 Default has Heated Bed (MarlinFirmware#25895)

Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>

* 🚸 Probe Wizard display fix

* 🧑‍💻 ExtUI::onLevelingStart/Done for all leveling (MarlinFirmware#25913)

* 🌐 Update Russian translation (MarlinFirmware#25840)

* 🌐 Remove unused strings

* 🔧 Update LCD with NeoPixel Contrast (MarlinFirmware#25893)

* [cron] Bump distribution date (2023-06-02)

* 📝 M122 comment

* 🔨 Clarify env error (MarlinFirmware#25915)

* 🔨 Fix pins debugging for Simulator

* 🎨 Lowercase method / data member names (MarlinFirmware#25914)

* 🧑‍💻 numtostr use functions

* 🧑‍💻 Dump BOTH and EITHER macros (MarlinFirmware#25908)

* 🧑‍💻 Remove LOOP macros (MarlinFirmware#25917)

* [cron] Bump distribution date (2023-06-03)

* 🎨 Lowercase followup (MarlinFirmware#25923)

Followup to MarlinFirmware#25914

* 🔨 STM32H723VG (1024KB) (MarlinFirmware#25921)

* 🩹 Endstop hit state followup (MarlinFirmware#25885)

Followup to MarlinFirmware#25574

* 🧑‍💻 Fix narrowing conversions (MarlinFirmware#25924)

* 🔧 BTT SKR 3 has onboard endstop pullups (MarlinFirmware#24876)

* 🐛 Fix M25/M125 for LCDs with ui.resume_print (MarlinFirmware#24877)

* [cron] Bump distribution date (2023-06-04)

* ✏️ Fix LCD contrast typo (MarlinFirmware#25929)

* 🩹 Fix D576 buffer underrun reporting (MarlinFirmware#25931)

* [cron] Bump distribution date (2023-06-05)

* 🔧 TMC Driver axis baud for Soft Serial (MarlinFirmware#25664)

* 🎨 Detab C/C++

* 🧑‍💻 Dir change is AxisBits

Followup to MarlinFirmware#25761

* 🩹 Wrap HAS_DISPLAY for if()

Followup to MarlinFirmware#24877

* 🧑‍💻 Fix mfconfig trailing space

* [cron] Bump distribution date (2023-06-06)

* 🩹 Fix JyersUI corner pos

Followup to MarlinFirmware#25631

* 🧑‍💻 Bypass error in build_example

* 🧑‍💻 Suppress narrowing warnings

Followup to MarlinFirmware#25924

* ⚡️ Mixer label in PROGMEM

* 🩹 Conditional include probe.h

* 🧑‍💻 Use Flags<> for runout (MarlinFirmware#25938)

* [cron] Bump distribution date (2023-06-07)

* 🌐 Update Italian language (MarlinFirmware#25940)

* 🔨 Teensy 4.1 pins env check (MarlinFirmware#25937)

* [cron] Bump distribution date (2023-06-08)

* 🔧 Z-MIN as CREALITY V25 S1 probe

* 🚸 Fix TFT menu positioning (MarlinFirmware#25942)

Co-authored-by: Ed <751406+helakejr@users.noreply.github.com>

* 🔨 Clean up some BTT envs, etc. (MarlinFirmware#25934)

Followup to MarlinFirmware#25921

Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>

* 🚸 General TFT cleanup

* 🚸 Portrait TS35 move axis screen (MarlinFirmware#25945)

* 🔨 Update STM32Hxx boards/variants

Followup to MarlinFirmware#25934

* 🔨 Fix serial port #error text

* [cron] Bump distribution date (2023-06-09)

* 🐛 Fix _MINMAX_TEST typo (MarlinFirmware#25954)

* 🩹 Conditional u8g for SAMD21 (MarlinFirmware#25947)

* 🔨 Simpler distinct firmware rename (MarlinFirmware#25957)

* 🐛 Fix dummy thermistors 998-999 (MarlinFirmware#25956)

* [cron] Bump distribution date (2023-06-10)

* 🔨 Firmware rename followup (MarlinFirmware#25966)

Followup to MarlinFirmware#25957

* [cron] Bump distribution date (2023-06-11)

* 🔨 SKR Mini E3 v3.0.1 XFER (MarlinFirmware#25955)

* [cron] Bump distribution date (2023-06-12)

* ♻️ Simplify SERIAL_ECHO (MarlinFirmware#25928)

Since this increases AVR code size, try to optimize further.

* 🔥 Remove VAkE 403D (MarlinFirmware#25969)

* [cron] Bump distribution date (2023-06-13)

* 🎨 Lowercase methods, functions, data members (MarlinFirmware#25939)

For: TFT, DGUS, MarlinUI, Anycubic, JyersUI, CrealityUI

* 🔧 Sanity check IA_CREALITY mesh size

* [cron] Bump distribution date (2023-06-15)

* 🎨 Lowercase followup

Followup to MarlinFirmware#25939

* 🎨 Group STM32G0 pins includes (MarlinFirmware#25977)

* 📝 Document Manta E3 EZ / E3V2 LCD custom wiring (MarlinFirmware#25976)

* ✨ BTT RAMPS 1.6+ (MarlinFirmware#25970)

* [cron] Bump distribution date (2023-06-16)

---------

Co-authored-by: Keith Bennett <13375512+thisiskeithb@users.noreply.github.com>
Co-authored-by: thinkyhead <thinkyhead@users.noreply.github.com>
Co-authored-by: DejitaruJin <dejitarujin@gmail.com>
Co-authored-by: EvilGremlin <22657714+EvilGremlin@users.noreply.github.com>
Co-authored-by: I3DBeeTech <129617321+I3DBeeTech@users.noreply.github.com>
Co-authored-by: alextrical <35117191+alextrical@users.noreply.github.com>
Co-authored-by: ellensp <530024+ellensp@users.noreply.github.com>
Co-authored-by: Manuel McLure <manuel@mclure.org>
Co-authored-by: Giuliano Zaro <3684609+GMagician@users.noreply.github.com>
Co-authored-by: Andrew <18502096+classicrocker883@users.noreply.github.com>
Co-authored-by: kisslorand <50251547+kisslorand@users.noreply.github.com>
Co-authored-by: Roi Rodríguez Huertas <roiamorin69@gmail.com>
Co-authored-by: Ed <751406+helakejr@users.noreply.github.com>
Co-authored-by: Dmitry Plastinin <Uncellon@yandex.ru>
Co-authored-by: Miguel Risco-Castillo <mriscoc@users.noreply.github.com>
Co-authored-by: Bart Meijer <brupje@gmail.com>

Marlin/Version.h

@@ -41,7 +41,7 @@
  * here we define this default string as the date where the latest release
  * version was tagged.
  */
-//#define STRING_DISTRIBUTION_DATE "2023-06-06"
+//#define STRING_DISTRIBUTION_DATE "2023-06-16"
 
 /**
  * Defines a generic printer name to be output to the LCD after booting Marlin.

Marlin/src/HAL/LPC1768/eeprom_sdcard.cpp

@@ -91,15 +91,9 @@ bool PersistentStore::access_finish() {
 static void debug_rw(const bool write, int &pos, const uint8_t *value, const size_t size, const FRESULT s, const size_t total=0) {
   #if ENABLED(DEBUG_SD_EEPROM_EMULATION)
     FSTR_P const rw_str = write ? F("write") : F("read");
-    SERIAL_CHAR(' ');
-    SERIAL_ECHOF(rw_str);
-    SERIAL_ECHOLNPGM("_data(", pos, ",", *value, ",", size, ", ...)");
-    if (total) {
-      SERIAL_ECHOPGM(" f_");
-      SERIAL_ECHOF(rw_str);
-      SERIAL_ECHOPGM("()=", s, "\n size=", size, "\n bytes_");
-      SERIAL_ECHOLNF(write ? F("written=") : F("read="), total);
-    }
+    SERIAL_ECHOLN(AS_CHAR(' '), rw_str, F("_data("), pos, AS_CHAR(','), *value, AS_CHAR(','), size, F(", ...)"));
+    if (total)
+      SERIAL_ECHOLN(F(" f_"), rw_str, F("()="), s, F("\n size="), size, F("\n bytes_"), write ? F("written=") : F("read="), total);
     else
       SERIAL_ECHOLNPGM(" f_lseek()=", s);
   #endif

Marlin/src/HAL/LPC1768/tft/tft_spi.cpp

@@ -30,7 +30,7 @@
 
 SPIClass TFT_SPI::SPIx(TFT_SPI_DEVICE);
 
-void TFT_SPI::Init() {
+void TFT_SPI::init() {
   #if PIN_EXISTS(TFT_RESET)
     OUT_WRITE(TFT_RESET_PIN, HIGH);
     delay(100);
@@ -49,21 +49,21 @@ void TFT_SPI::Init() {
   SPIx.setDataMode(SPI_MODE0);
 }
 
-void TFT_SPI::DataTransferBegin(uint16_t DataSize) {
-  SPIx.setDataSize(DataSize);
+void TFT_SPI::dataTransferBegin(uint16_t dataSize) {
+  SPIx.setDataSize(dataSize);
   SPIx.begin();
   WRITE(TFT_CS_PIN, LOW);
 }
 
-uint32_t TFT_SPI::GetID() {
+uint32_t TFT_SPI::getID() {
   uint32_t id;
-  id = ReadID(LCD_READ_ID);
+  id = readID(LCD_READ_ID);
   if ((id & 0xFFFF) == 0 || (id & 0xFFFF) == 0xFFFF)
-    id = ReadID(LCD_READ_ID4);
+    id = readID(LCD_READ_ID4);
   return id;
 }
 
-uint32_t TFT_SPI::ReadID(uint16_t Reg) {
+uint32_t TFT_SPI::readID(uint16_t reg) {
   uint32_t data = 0;
 
   #if PIN_EXISTS(TFT_MISO)
@@ -72,14 +72,14 @@ uint32_t TFT_SPI::ReadID(uint16_t Reg) {
     SPIx.setClock(SPI_CLOCK_DIV64);
     SPIx.begin();
     WRITE(TFT_CS_PIN, LOW);
-    WriteReg(Reg);
+    writeReg(reg);
 
     for (uint8_t i = 0; i < 4; ++i) {
       SPIx.read((uint8_t*)&d, 1);
       data = (data << 8) | d;
     }
 
-    DataTransferEnd();
+    dataTransferEnd();
     SPIx.setClock(SPI_CLOCK_MAX_TFT);
   #endif
 
@@ -103,11 +103,11 @@ bool TFT_SPI::isBusy() {
     if ((SSP_GetStatus(LPC_SSPx, SSP_STAT_TXFIFO_EMPTY) == RESET) || (SSP_GetStatus(LPC_SSPx, SSP_STAT_BUSY) == SET)) return true;
   }
 
-  Abort();
+  abort();
   return false;
 }
 
-void TFT_SPI::Abort() {
+void TFT_SPI::abort() {
   // DMA Channel 0 is hardcoded in dmaSendAsync() and dmaSend()
 
   // Disable DMA
@@ -126,20 +126,20 @@ void TFT_SPI::Abort() {
   LPC_GPDMACH0->DMACCSrcAddr  = 0U;
   LPC_GPDMACH0->DMACCDestAddr = 0U;
 
-  DataTransferEnd();
+  dataTransferEnd();
 }
 
-void TFT_SPI::Transmit(uint16_t Data) { SPIx.transfer(Data); }
+void TFT_SPI::transmit(uint16_t data) { SPIx.transfer(data); }
 
-void TFT_SPI::Transmit(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count) {
-  DataTransferBegin(DATASIZE_16BIT);
-  SPIx.dmaSend(Data, Count, MemoryIncrease);
-  Abort();
+void TFT_SPI::transmit(uint32_t memoryIncrease, uint16_t *data, uint16_t count) {
+  dataTransferBegin(DATASIZE_16BIT);
+  SPIx.dmaSend(data, count, memoryIncrease);
+  abort();
 }
 
-void TFT_SPI::TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count) {
-  DataTransferBegin(DATASIZE_16BIT);
-  SPIx.dmaSendAsync(Data, Count, MemoryIncrease);
+void TFT_SPI::transmitDMA(uint32_t memoryIncrease, uint16_t *data, uint16_t count) {
+  dataTransferBegin(DATASIZE_16BIT);
+  SPIx.dmaSendAsync(data, count, memoryIncrease);
 
   TERN_(TFT_SHARED_IO, while (isBusy()));
 }

Marlin/src/HAL/LPC1768/tft/tft_spi.h

@@ -56,34 +56,34 @@
 
 class TFT_SPI {
 private:
-  static uint32_t ReadID(uint16_t Reg);
-  static void Transmit(uint16_t Data);
-  static void Transmit(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count);
-  static void TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count);
+  static uint32_t readID(uint16_t reg);
+  static void transmit(uint16_t data);
+  static void transmit(uint32_t memoryIncrease, uint16_t *data, uint16_t count);
+  static void transmitDMA(uint32_t memoryIncrease, uint16_t *data, uint16_t count);
 
 public:
   static SPIClass SPIx;
 
-  static void Init();
-  static uint32_t GetID();
+  static void init();
+  static uint32_t getID();
   static bool isBusy();
-  static void Abort();
+  static void abort();
 
-  static void DataTransferBegin(uint16_t DataWidth=DATASIZE_16BIT);
-  static void DataTransferEnd() { WRITE(TFT_CS_PIN, HIGH); SSP_Cmd(LPC_SSPx, DISABLE); };
-  static void DataTransferAbort();
+  static void dataTransferBegin(uint16_t dataWidth=DATASIZE_16BIT);
+  static void dataTransferEnd() { WRITE(TFT_CS_PIN, HIGH); SSP_Cmd(LPC_SSPx, DISABLE); };
+  static void dataTransferAbort();
 
-  static void WriteData(uint16_t Data) { Transmit(Data); }
-  static void WriteReg(uint16_t Reg) { WRITE(TFT_DC_PIN, LOW); Transmit(Reg); WRITE(TFT_DC_PIN, HIGH); }
+  static void writeData(uint16_t data) { transmit(data); }
+  static void writeReg(uint16_t reg) { WRITE(TFT_DC_PIN, LOW); transmit(reg); WRITE(TFT_DC_PIN, HIGH); }
 
-  static void WriteSequence_DMA(uint16_t *Data, uint16_t Count) { TransmitDMA(DMA_MINC_ENABLE, Data, Count); }
-  static void WriteMultiple_DMA(uint16_t Color, uint16_t Count) { static uint16_t Data; Data = Color; TransmitDMA(DMA_MINC_DISABLE, &Data, Count); }
+  static void writeSequence_DMA(uint16_t *data, uint16_t count) { transmitDMA(DMA_MINC_ENABLE, data, count); }
+  static void writeMultiple_DMA(uint16_t color, uint16_t count) { static uint16_t data; data = color; transmitDMA(DMA_MINC_DISABLE, &data, count); }
 
-  static void WriteSequence(uint16_t *Data, uint16_t Count) { Transmit(DMA_MINC_ENABLE, Data, Count); }
-  static void WriteMultiple(uint16_t Color, uint32_t Count) {
-    while (Count > 0) {
-      Transmit(DMA_MINC_DISABLE, &Color, Count > DMA_MAX_SIZE ? DMA_MAX_SIZE : Count);
-      Count = Count > DMA_MAX_SIZE ? Count - DMA_MAX_SIZE : 0;
+  static void writeSequence(uint16_t *data, uint16_t count) { transmit(DMA_MINC_ENABLE, data, count); }
+  static void writeMultiple(uint16_t color, uint32_t count) {
+    while (count > 0) {
+      transmit(DMA_MINC_DISABLE, &color, count > DMA_MAX_SIZE ? DMA_MAX_SIZE : count);
+      count = count > DMA_MAX_SIZE ? count - DMA_MAX_SIZE : 0;
     }
   }
 };

Marlin/src/HAL/LPC1768/tft/xpt2046.cpp

@@ -45,7 +45,7 @@ uint16_t delta(uint16_t a, uint16_t b) { return a > b ? a - b : b - a; }
   }
 #endif
 
-void XPT2046::Init() {
+void XPT2046::init() {
   #if DISABLED(TOUCH_BUTTONS_HW_SPI)
     SET_INPUT(TOUCH_MISO_PIN);
     SET_OUTPUT(TOUCH_MOSI_PIN);
@@ -85,7 +85,7 @@ bool XPT2046::getRawPoint(int16_t *x, int16_t *y) {
 uint16_t XPT2046::getRawData(const XPTCoordinate coordinate) {
   uint16_t data[3];
 
-  DataTransferBegin();
+  dataTransferBegin();
   TERN_(TOUCH_BUTTONS_HW_SPI, SPIx.begin());
 
   for (uint16_t i = 0; i < 3 ; i++) {
@@ -94,7 +94,7 @@ uint16_t XPT2046::getRawData(const XPTCoordinate coordinate) {
   }
 
   TERN_(TOUCH_BUTTONS_HW_SPI, SPIx.end());
-  DataTransferEnd();
+  dataTransferEnd();
 
   uint16_t delta01 = delta(data[0], data[1]),
            delta02 = delta(data[0], data[2]),
@@ -107,18 +107,18 @@ uint16_t XPT2046::getRawData(const XPTCoordinate coordinate) {
 }
 
 uint16_t XPT2046::IO(uint16_t data) {
-  return TERN(TOUCH_BUTTONS_HW_SPI, HardwareIO, SoftwareIO)(data);
+  return TERN(TOUCH_BUTTONS_HW_SPI, hardwareIO, softwareIO)(data);
 }
 
 extern uint8_t spiTransfer(uint8_t b);
 
 #if ENABLED(TOUCH_BUTTONS_HW_SPI)
-  uint16_t XPT2046::HardwareIO(uint16_t data) {
+  uint16_t XPT2046::hardwareIO(uint16_t data) {
     return SPIx.transfer(data & 0xFF);
   }
 #endif
 
-uint16_t XPT2046::SoftwareIO(uint16_t data) {
+uint16_t XPT2046::softwareIO(uint16_t data) {
   uint16_t result = 0;
 
   for (uint8_t j = 0x80; j; j >>= 1) {

Marlin/src/HAL/LPC1768/tft/xpt2046.h

@@ -65,19 +65,19 @@ class XPT2046 {
   static uint16_t getRawData(const XPTCoordinate coordinate);
   static bool isTouched();
 
-  static void DataTransferBegin() { WRITE(TOUCH_CS_PIN, LOW); };
-  static void DataTransferEnd() { WRITE(TOUCH_CS_PIN, HIGH); };
+  static void dataTransferBegin() { WRITE(TOUCH_CS_PIN, LOW); };
+  static void dataTransferEnd() { WRITE(TOUCH_CS_PIN, HIGH); };
   #if ENABLED(TOUCH_BUTTONS_HW_SPI)
-    static uint16_t HardwareIO(uint16_t data);
+    static uint16_t hardwareIO(uint16_t data);
   #endif
-  static uint16_t SoftwareIO(uint16_t data);
+  static uint16_t softwareIO(uint16_t data);
   static uint16_t IO(uint16_t data = 0);
 
 public:
   #if ENABLED(TOUCH_BUTTONS_HW_SPI)
     static SPIClass SPIx;
   #endif
 
-  static void Init();
+  static void init();
   static bool getRawPoint(int16_t *x, int16_t *y);
 };

Marlin/src/HAL/NATIVE_SIM/tft/tft_spi.h

@@ -40,28 +40,28 @@
 
 class TFT_SPI {
 private:
-  static uint32_t ReadID(uint16_t Reg);
-  static void Transmit(uint16_t Data);
-  static void TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count);
+  static uint32_t readID(uint16_t reg);
+  static void transmit(uint16_t data);
+  static void transmitDMA(uint32_t memoryIncrease, uint16_t *data, uint16_t count);
 
 public:
   // static SPIClass SPIx;
 
-  static void Init();
-  static uint32_t GetID();
+  static void init();
+  static uint32_t getID();
   static bool isBusy();
-  static void Abort();
+  static void abort();
 
-  static void DataTransferBegin(uint16_t DataWidth=DATASIZE_16BIT);
-  static void DataTransferEnd();
-  static void DataTransferAbort();
+  static void dataTransferBegin(uint16_t dataWidth=DATASIZE_16BIT);
+  static void dataTransferEnd();
+  static void dataTransferAbort();
 
-  static void WriteData(uint16_t Data);
-  static void WriteReg(uint16_t Reg);
+  static void writeData(uint16_t data);
+  static void writeReg(uint16_t reg);
 
-  static void WriteSequence_DMA(uint16_t *Data, uint16_t Count) { WriteSequence(Data, Count); }
-  static void WriteMultiple_DMA(uint16_t Color, uint16_t Count) { WriteMultiple(Color, Count); }
+  static void writeSequence_DMA(uint16_t *data, uint16_t count) { writeSequence(data, count); }
+  static void writeMultiple_DMA(uint16_t color, uint16_t count) { writeMultiple(color, count); }
 
-  static void WriteSequence(uint16_t *Data, uint16_t Count);
-  static void WriteMultiple(uint16_t Color, uint32_t Count);
+  static void writeSequence(uint16_t *data, uint16_t count);
+  static void writeMultiple(uint16_t color, uint32_t count);
 };

Marlin/src/HAL/NATIVE_SIM/tft/xpt2046.h

@@ -62,19 +62,19 @@ class XPT2046 {
   static uint16_t getRawData(const XPTCoordinate coordinate);
   static bool isTouched();
 
-  static void DataTransferBegin();
-  static void DataTransferEnd();
+  static void dataTransferBegin();
+  static void dataTransferEnd();
   #if ENABLED(TOUCH_BUTTONS_HW_SPI)
-    static uint16_t HardwareIO(uint16_t data);
+    static uint16_t hardwareIO(uint16_t data);
   #endif
-  static uint16_t SoftwareIO(uint16_t data);
+  static uint16_t softwareIO(uint16_t data);
   static uint16_t IO(uint16_t data = 0);
 
 public:
   #if ENABLED(TOUCH_BUTTONS_HW_SPI)
     static SPIClass SPIx;
   #endif
 
-  static void Init();
+  static void init();
   static bool getRawPoint(int16_t *x, int16_t *y);
 };

Marlin/src/HAL/SAMD21/u8g/u8g_com_HAL_samd21_shared_hw_spi.cpp

@@ -60,6 +60,10 @@
 
 #ifdef __SAMD21__
 
+#include "../../../inc/MarlinConfigPre.h"
+
+#if HAS_MARLINUI_U8GLIB
+
 #include <U8glib-HAL.h>
 #include "SPI.h"
 
@@ -151,4 +155,6 @@ uint8_t u8g_com_samd21_st7920_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val
   return 1;
 }
 
+#endif // HAS_MARLINUI_U8GLIB
+
 #endif // __SAMD21__

Marlin/src/HAL/STM32/HAL.h

@@ -71,7 +71,7 @@
   #if WITHIN(SERIAL_PORT_2, 1, 6)
     #define MYSERIAL2 MSERIAL(SERIAL_PORT_2)
   #elif !defined(USBCON)
-    #error "SERIAL_PORT must be from 1 to 6."
+    #error "SERIAL_PORT_2 must be from 1 to 6."
   #elif SERIAL_PORT_2 == -1
     #define MYSERIAL2 MSerialUSB
   #else
@@ -83,7 +83,7 @@
   #if WITHIN(SERIAL_PORT_3, 1, 6)
     #define MYSERIAL3 MSERIAL(SERIAL_PORT_3)
   #elif !defined(USBCON)
-    #error "SERIAL_PORT must be from 1 to 6."
+    #error "SERIAL_PORT_3 must be from 1 to 6."
   #elif SERIAL_PORT_3 == -1
     #define MYSERIAL3 MSerialUSB
   #else
@@ -95,7 +95,7 @@
   #if WITHIN(MMU2_SERIAL_PORT, 1, 6)
     #define MMU2_SERIAL MSERIAL(MMU2_SERIAL_PORT)
   #elif !defined(USBCON)
-    #error "SERIAL_PORT must be from 1 to 6."
+    #error "MMU2_SERIAL_PORT must be from 1 to 6."
   #elif MMU2_SERIAL_PORT == -1
     #define MMU2_SERIAL MSerialUSB
   #else
@@ -107,7 +107,7 @@
   #if WITHIN(LCD_SERIAL_PORT, 1, 6)
     #define LCD_SERIAL MSERIAL(LCD_SERIAL_PORT)
   #elif !defined(USBCON)
-    #error "SERIAL_PORT must be from 1 to 6."
+    #error "LCD_SERIAL_PORT must be from 1 to 6."
   #elif LCD_SERIAL_PORT == -1
     #define LCD_SERIAL MSerialUSB
   #else

Marlin/src/HAL/STM32/tft/gt911.cpp

@@ -156,7 +156,7 @@ void GT911::read_reg(uint16_t reg, uint8_t reg_len, uint8_t* r_data, uint8_t r_l
   sw_iic.stop();
 }
 
-void GT911::Init() {
+void GT911::init() {
   OUT_WRITE(GT911_RST_PIN, LOW);
   OUT_WRITE(GT911_INT_PIN, LOW);
   delay(11);

Marlin/src/HAL/STM32/tft/gt911.h

@@ -90,7 +90,7 @@ class GT911 {
     static void read_reg(uint16_t reg, uint8_t reg_len, uint8_t* r_data, uint8_t r_len);
 
   public:
-    static void Init();
+    static void init();
     static bool getFirstTouchPoint(int16_t *x, int16_t *y);
     static bool getPoint(int16_t *x, int16_t *y);
 };