Anet ET4 / ET4P and Anet TFT28 / TFT35 (#20280)

Marlin/Configuration.h

@@ -2368,6 +2368,16 @@
 //
 //#define LONGER_LK_TFT28
 
+//
+// 320x240, 2.8", FSMC Stock Display from ET4
+//
+//#define ANET_ET4_TFT28
+
+//
+// 480x320, 3.5", FSMC Stock Display from ET5
+//
+//#define ANET_ET5_TFT35
+
 //
 // Generic TFT with detailed options
 //

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

@@ -48,13 +48,14 @@ void TFT_FSMC::Init() {
 
   uint32_t NSBank = (uint32_t)pinmap_peripheral(digitalPinToPinName(TFT_CS_PIN), PinMap_FSMC_CS);
 
+  // Perform the SRAM1 memory initialization sequence
   SRAMx.Instance = FSMC_NORSRAM_DEVICE;
   SRAMx.Extended = FSMC_NORSRAM_EXTENDED_DEVICE;
-  /* SRAMx.Init */
+  // SRAMx.Init
   SRAMx.Init.NSBank = NSBank;
   SRAMx.Init.DataAddressMux = FSMC_DATA_ADDRESS_MUX_DISABLE;
   SRAMx.Init.MemoryType = FSMC_MEMORY_TYPE_SRAM;
-  SRAMx.Init.MemoryDataWidth = FSMC_NORSRAM_MEM_BUS_WIDTH_16;
+  SRAMx.Init.MemoryDataWidth = TERN(TFT_INTERFACE_FSMC_8BIT, FSMC_NORSRAM_MEM_BUS_WIDTH_8, FSMC_NORSRAM_MEM_BUS_WIDTH_16);
   SRAMx.Init.BurstAccessMode = FSMC_BURST_ACCESS_MODE_DISABLE;
   SRAMx.Init.WaitSignalPolarity = FSMC_WAIT_SIGNAL_POLARITY_LOW;
   SRAMx.Init.WrapMode = FSMC_WRAP_MODE_DISABLE;
@@ -67,8 +68,8 @@ void TFT_FSMC::Init() {
   #ifdef STM32F4xx
     SRAMx.Init.PageSize = FSMC_PAGE_SIZE_NONE;
   #endif
-  /* Read Timing - relatively slow to ensure ID information is correctly read from TFT controller */
+  // Read Timing - relatively slow to ensure ID information is correctly read from TFT controller
-  /* Can be decreases from 15-15-24 to 4-4-8 with risk of stability loss */
+  // Can be decreases from 15-15-24 to 4-4-8 with risk of stability loss
   Timing.AddressSetupTime = 15;
   Timing.AddressHoldTime = 15;
   Timing.DataSetupTime = 24;
@@ -76,8 +77,8 @@ void TFT_FSMC::Init() {
   Timing.CLKDivision = 16;
   Timing.DataLatency = 17;
   Timing.AccessMode = FSMC_ACCESS_MODE_A;
-  /* Write Timing */
+  // Write Timing
-  /* Can be decreases from 8-15-8 to 0-0-1 with risk of stability loss */
+  // Can be decreases from 8-15-8 to 0-0-1 with risk of stability loss
   ExtTiming.AddressSetupTime = 8;
   ExtTiming.AddressHoldTime = 15;
   ExtTiming.DataSetupTime = 8;
@@ -131,7 +132,7 @@ void TFT_FSMC::Init() {
 
 uint32_t TFT_FSMC::GetID() {
   uint32_t id;
-  WriteReg(0x0000);
+  WriteReg(0);
   id = LCD->RAM;
 
   if (id == 0)
@@ -141,16 +142,16 @@ uint32_t TFT_FSMC::GetID() {
   return id;
 }
 
- uint32_t TFT_FSMC::ReadID(uint16_t Reg) {
+uint32_t TFT_FSMC::ReadID(tft_data_t Reg) {
-   uint32_t id;
+  uint32_t id;
-   WriteReg(Reg);
+  WriteReg(Reg);
-   id = LCD->RAM; // dummy read
+  id = LCD->RAM; // dummy read
-   id = Reg << 24;
+  id = Reg << 24;
-   id |= (LCD->RAM & 0x00FF) << 16;
+  id |= (LCD->RAM & 0x00FF) << 16;
-   id |= (LCD->RAM & 0x00FF) << 8;
+  id |= (LCD->RAM & 0x00FF) << 8;
-   id |= LCD->RAM & 0x00FF;
+  id |= LCD->RAM & 0x00FF;
-   return id;
+  return id;
- }
+}
 
 bool TFT_FSMC::isBusy() {
   if (__IS_DMA_ENABLED(&DMAtx))

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

@@ -44,9 +44,12 @@
 #define DATASIZE_16BIT SPI_DATASIZE_16BIT
 #define TFT_IO_DRIVER  TFT_FSMC
 
+#define TFT_DATASIZE TERN(TFT_INTERFACE_FSMC_8BIT, DATASIZE_8BIT, DATASIZE_16BIT)
+typedef TERN(TFT_INTERFACE_FSMC_8BIT, uint8_t, uint16_t) tft_data_t;
+
 typedef struct {
-  __IO uint16_t REG;
+  __IO tft_data_t REG;
-  __IO uint16_t RAM;
+  __IO tft_data_t RAM;
 } LCD_CONTROLLER_TypeDef;
 
 class TFT_FSMC {
@@ -56,8 +59,8 @@ class TFT_FSMC {
 
     static LCD_CONTROLLER_TypeDef *LCD;
 
-    static uint32_t ReadID(uint16_t Reg);
+    static uint32_t ReadID(tft_data_t Reg);
-    static void Transmit(uint16_t Data) { LCD->RAM = Data; __DSB(); }
+    static void Transmit(tft_data_t Data) { LCD->RAM = Data; __DSB(); }
     static void TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count);
 
   public:
@@ -66,11 +69,11 @@ class TFT_FSMC {
     static bool isBusy();
     static void Abort() { __HAL_DMA_DISABLE(&DMAtx); }
 
-    static void DataTransferBegin(uint16_t DataWidth = DATASIZE_16BIT) {}
+    static void DataTransferBegin(uint16_t DataWidth = TFT_DATASIZE) {}
     static void DataTransferEnd() {};
 
-    static void WriteData(uint16_t Data) { Transmit(Data); }
+    static void WriteData(uint16_t Data) { Transmit(tft_data_t(Data)); }
-    static void WriteReg(uint16_t Reg) { LCD->REG = Reg; __DSB(); }
+    static void WriteReg(uint16_t Reg) { LCD->REG = tft_data_t(Reg); __DSB(); }
 
     static void WriteSequence(uint16_t *Data, uint16_t Count) { TransmitDMA(DMA_PINC_ENABLE, Data, Count); }
     static void WriteMultiple(uint16_t Color, uint16_t Count) { static uint16_t Data; Data = Color; TransmitDMA(DMA_PINC_DISABLE, &Data, Count); }
@@ -98,14 +101,16 @@ const PinMap PinMap_FSMC[] = {
   {PE_8,   FSMC_NORSRAM_DEVICE, FSMC_PIN_DATA}, // FSMC_D05
   {PE_9,   FSMC_NORSRAM_DEVICE, FSMC_PIN_DATA}, // FSMC_D06
   {PE_10,  FSMC_NORSRAM_DEVICE, FSMC_PIN_DATA}, // FSMC_D07
-  {PE_11,  FSMC_NORSRAM_DEVICE, FSMC_PIN_DATA}, // FSMC_D08
+  #if DISABLED(TFT_INTERFACE_FSMC_8BIT)
-  {PE_12,  FSMC_NORSRAM_DEVICE, FSMC_PIN_DATA}, // FSMC_D09
+    {PE_11,  FSMC_NORSRAM_DEVICE, FSMC_PIN_DATA}, // FSMC_D08
-  {PE_13,  FSMC_NORSRAM_DEVICE, FSMC_PIN_DATA}, // FSMC_D10
+    {PE_12,  FSMC_NORSRAM_DEVICE, FSMC_PIN_DATA}, // FSMC_D09
-  {PE_14,  FSMC_NORSRAM_DEVICE, FSMC_PIN_DATA}, // FSMC_D11
+    {PE_13,  FSMC_NORSRAM_DEVICE, FSMC_PIN_DATA}, // FSMC_D10
-  {PE_15,  FSMC_NORSRAM_DEVICE, FSMC_PIN_DATA}, // FSMC_D12
+    {PE_14,  FSMC_NORSRAM_DEVICE, FSMC_PIN_DATA}, // FSMC_D11
-  {PD_8,   FSMC_NORSRAM_DEVICE, FSMC_PIN_DATA}, // FSMC_D13
+    {PE_15,  FSMC_NORSRAM_DEVICE, FSMC_PIN_DATA}, // FSMC_D12
-  {PD_9,   FSMC_NORSRAM_DEVICE, FSMC_PIN_DATA}, // FSMC_D14
+    {PD_8,   FSMC_NORSRAM_DEVICE, FSMC_PIN_DATA}, // FSMC_D13
-  {PD_10,  FSMC_NORSRAM_DEVICE, FSMC_PIN_DATA}, // FSMC_D15
+    {PD_9,   FSMC_NORSRAM_DEVICE, FSMC_PIN_DATA}, // FSMC_D14
+    {PD_10,  FSMC_NORSRAM_DEVICE, FSMC_PIN_DATA}, // FSMC_D15
+  #endif
   {PD_4,   FSMC_NORSRAM_DEVICE, FSMC_PIN_DATA}, // FSMC_NOE
   {PD_5,   FSMC_NORSRAM_DEVICE, FSMC_PIN_DATA}, // FSMC_NWE
   {NC,    NP,    0}
@@ -121,7 +126,11 @@ const PinMap PinMap_FSMC_CS[] = {
   {NC,    NP,    0}
 };
 
-#define FSMC_RS(A)  (void *)((2 << A) - 2)
+#if ENABLED(TFT_INTERFACE_FSMC_8BIT)
+  #define FSMC_RS(A)  (void *)((2 << (A-1)) - 1)
+#else
+  #define FSMC_RS(A)  (void *)((2 << A) - 2)
+#endif
 
 const PinMap PinMap_FSMC_RS[] = {
   #ifdef PF0

Marlin/src/HAL/STM32/tft/xpt2046.h

@@ -23,8 +23,10 @@
 
 #ifdef STM32F1xx
   #include <stm32f1xx_hal.h>
+  #define __IS_DMA_ENABLED(__HANDLE__)  ((__HANDLE__)->Instance->CCR & DMA_CCR_EN)
 #elif defined(STM32F4xx)
   #include <stm32f4xx_hal.h>
+  #define __IS_DMA_ENABLED(__HANDLE__)  ((__HANDLE__)->Instance->CR & DMA_SxCR_EN)
 #endif
 
 #include "../../../inc/MarlinConfig.h"
@@ -60,13 +62,6 @@ enum XPTCoordinate : uint8_t {
   #define XPT2046_Z1_THRESHOLD 10
 #endif
 
-#ifdef STM32F1xx
-  #define __IS_DMA_ENABLED(__HANDLE__)      ((__HANDLE__)->Instance->CCR & DMA_CCR_EN)
-#elif defined(STM32F4xx)
-  #define __IS_DMA_ENABLED(__HANDLE__)      ((__HANDLE__)->Instance->CR & DMA_SxCR_EN)
-#endif
-
-
 class XPT2046 {
 private:
   static SPI_HandleTypeDef SPIx;

Marlin/src/core/boards.h

@@ -370,6 +370,8 @@
 #define BOARD_MKS_ROBIN2              4218  // MKS_ROBIN2 (STM32F407ZE)
 #define BOARD_MKS_ROBIN_PRO_V2        4219  // MKS Robin Pro V2 (STM32F407VE)
 #define BOARD_MKS_ROBIN_NANO_V3       4220  // MKS Robin Nano V3 (STM32F407VG)
+#define BOARD_ANET_ET4                4221  // ANET ET4 V1.x (STM32F407VGT6)
+#define BOARD_ANET_ET4P               4222  // ANET ET4P V1.x (STM32F407VGT6)
 
 //
 // ARM Cortex M7

Marlin/src/core/macros.h

@@ -151,7 +151,7 @@
 
 #endif
 
-// Macros to chain up to 12 conditions
+// Macros to chain up to 14 conditions
 #define _DO_1(W,C,A)       (_##W##_1(A))
 #define _DO_2(W,C,A,B)     (_##W##_1(A) C _##W##_1(B))
 #define _DO_3(W,C,A,V...)  (_##W##_1(A) C _DO_2(W,C,V))
@@ -164,6 +164,8 @@
 #define _DO_10(W,C,A,V...) (_##W##_1(A) C _DO_9(W,C,V))
 #define _DO_11(W,C,A,V...) (_##W##_1(A) C _DO_10(W,C,V))
 #define _DO_12(W,C,A,V...) (_##W##_1(A) C _DO_11(W,C,V))
+#define _DO_13(W,C,A,V...) (_##W##_1(A) C _DO_12(W,C,V))
+#define _DO_14(W,C,A,V...) (_##W##_1(A) C _DO_13(W,C,V))
 #define __DO_N(W,C,N,V...) _DO_##N(W,C,V)
 #define _DO_N(W,C,N,V...)  __DO_N(W,C,N,V)
 #define DO(W,C,V...)       (_DO_N(W,C,NUM_ARGS(V),V))

Marlin/src/inc/Conditionals_LCD.h

@@ -1073,28 +1073,23 @@
  *  - TFT_COLOR
  *  - GRAPHICAL_TFT_UPSCALE
  */
-#if ENABLED(MKS_TS35_V2_0)
+#if ENABLED(MKS_TS35_V2_0)          // Most common: ST7796
-  // Most common: ST7796
   #define TFT_DEFAULT_ORIENTATION (TFT_EXCHANGE_XY)
   #define TFT_RES_480x320
   #define TFT_INTERFACE_SPI
-#elif ENABLED(MKS_ROBIN_TFT24)
+#elif ENABLED(MKS_ROBIN_TFT24)      // Most common: ST7789
-  // Most common: ST7789
   #define TFT_DEFAULT_ORIENTATION (TFT_EXCHANGE_XY | TFT_INVERT_Y)
   #define TFT_RES_320x240
   #define TFT_INTERFACE_FSMC
-#elif ENABLED(MKS_ROBIN_TFT28)
+#elif ENABLED(MKS_ROBIN_TFT28)      // Most common: ST7789
-  // Most common: ST7789
   #define TFT_DEFAULT_ORIENTATION (TFT_EXCHANGE_XY | TFT_INVERT_Y)
   #define TFT_RES_320x240
   #define TFT_INTERFACE_FSMC
-#elif ENABLED(MKS_ROBIN_TFT32)
+#elif ENABLED(MKS_ROBIN_TFT32)      // Most common: ST7789
-  // Most common: ST7789
   #define TFT_DEFAULT_ORIENTATION (TFT_EXCHANGE_XY | TFT_INVERT_Y)
   #define TFT_RES_320x240
   #define TFT_INTERFACE_FSMC
-#elif ENABLED(MKS_ROBIN_TFT35)
+#elif ENABLED(MKS_ROBIN_TFT35)      // Most common: ILI9488
-  // Most common: ILI9488
   #define TFT_DEFAULT_ORIENTATION (TFT_EXCHANGE_XY | TFT_INVERT_X | TFT_INVERT_Y)
   #define TFT_RES_480x320
   #define TFT_INTERFACE_FSMC
@@ -1103,12 +1098,11 @@
   #define TFT_DRIVER SSD1963
   #define TFT_RES_480x272
   #define TFT_INTERFACE_FSMC
-#elif ENABLED(MKS_ROBIN_TFT_V1_1R)
+#elif ENABLED(MKS_ROBIN_TFT_V1_1R)  // ILI9328 or R61505
-  // ILI9328 or R61505
   #define TFT_DEFAULT_ORIENTATION (TFT_EXCHANGE_XY | TFT_INVERT_X | TFT_INVERT_Y)
   #define TFT_RES_320x240
   #define TFT_INTERFACE_FSMC
-#elif EITHER(TFT_TRONXY_X5SA, ANYCUBIC_TFT35)
+#elif EITHER(TFT_TRONXY_X5SA, ANYCUBIC_TFT35) // ILI9488
   #define TFT_DEFAULT_ORIENTATION (TFT_EXCHANGE_XY | TFT_INVERT_X | TFT_INVERT_Y)
   #define TFT_DRIVER ILI9488
   #define TFT_RES_480x320
@@ -1117,6 +1111,14 @@
   #define TFT_DEFAULT_ORIENTATION (TFT_EXCHANGE_XY | TFT_INVERT_X | TFT_INVERT_Y)
   #define TFT_RES_320x240
   #define TFT_INTERFACE_FSMC
+#elif ENABLED(ANET_ET4_TFT28)       // ST7789
+  #define TFT_DEFAULT_ORIENTATION (TFT_EXCHANGE_XY | TFT_INVERT_Y)
+  #define TFT_RES_320x240
+  #define TFT_INTERFACE_FSMC
+#elif ENABLED(ANET_ET5_TFT35)       // ST7796
+  #define TFT_DEFAULT_ORIENTATION (TFT_EXCHANGE_XY)
+  #define TFT_RES_480x320
+  #define TFT_INTERFACE_FSMC
 #elif ENABLED(TFT_GENERIC)
   #define TFT_DEFAULT_ORIENTATION (TFT_EXCHANGE_XY | TFT_INVERT_X | TFT_INVERT_Y)
   #if NONE(TFT_RES_320x240, TFT_RES_480x272, TFT_RES_480x320)
@@ -1197,11 +1199,9 @@
     #define TOUCH_OFFSET_X       XPT2046_X_OFFSET
     #define TOUCH_OFFSET_Y       XPT2046_Y_OFFSET
     #define TOUCH_ORIENTATION    TOUCH_LANDSCAPE
-  #else
-    #define TOUCH_CALIBRATION_X  0
-    #define TOUCH_CALIBRATION_Y  0
-    #define TOUCH_OFFSET_X       0
-    #define TOUCH_OFFSET_Y       0
-    #define TOUCH_ORIENTATION    TOUCH_ORIENTATION_NONE
   #endif
 #endif
+
+#if MB(ANET_ET4, ANET_ET4P)
+  #define IS_ANET_ET 1
+#endif

Marlin/src/inc/SanityCheck.h

@@ -2303,7 +2303,7 @@ static_assert(hbm[Z_AXIS] >= 0, "HOMING_BUMP_MM.Z must be greater than or equal
   + COUNT_ENABLED(FYSETC_MINI_12864_X_X, FYSETC_MINI_12864_1_2, FYSETC_MINI_12864_2_0, FYSETC_MINI_12864_2_1, FYSETC_GENERIC_12864_1_1) \
   + COUNT_ENABLED(LCD_SAINSMART_I2C_1602, LCD_SAINSMART_I2C_2004) \
   + COUNT_ENABLED(MKS_12864OLED, MKS_12864OLED_SSD1306) \
-  + COUNT_ENABLED(MKS_TS35_V2_0, MKS_ROBIN_TFT24, MKS_ROBIN_TFT28, MKS_ROBIN_TFT32, MKS_ROBIN_TFT35, MKS_ROBIN_TFT43, MKS_ROBIN_TFT_V1_1R) \
+  + COUNT_ENABLED(MKS_TS35_V2_0, MKS_ROBIN_TFT24, MKS_ROBIN_TFT28, MKS_ROBIN_TFT32, MKS_ROBIN_TFT35, MKS_ROBIN_TFT43, MKS_ROBIN_TFT_V1_1R, ANET_ET4_TFT28, ANET_ET5_TFT35) \
   + COUNT_ENABLED(TFTGLCD_PANEL_SPI, TFTGLCD_PANEL_I2C) \
   + COUNT_ENABLED(VIKI2, miniVIKI) \
   + COUNT_ENABLED(ZONESTAR_12864LCD, ZONESTAR_12864OLED, ZONESTAR_12864OLED_SSD1306) \
@@ -2347,7 +2347,7 @@ static_assert(hbm[Z_AXIS] >= 0, "HOMING_BUMP_MM.Z must be greater than or equal
 #undef IS_EXTUI
 #undef IS_LEGACY_TFT
 
-#if ANY(TFT_GENERIC, MKS_TS35_V2_0, MKS_ROBIN_TFT24, MKS_ROBIN_TFT28, MKS_ROBIN_TFT32, MKS_ROBIN_TFT35, MKS_ROBIN_TFT43, MKS_ROBIN_TFT_V1_1R, TFT_TRONXY_X5SA, ANYCUBIC_TFT35, ANYCUBIC_TFT35, LONGER_LK_TFT28)
+#if ANY(TFT_GENERIC, MKS_TS35_V2_0, MKS_ROBIN_TFT24, MKS_ROBIN_TFT28, MKS_ROBIN_TFT32, MKS_ROBIN_TFT35, MKS_ROBIN_TFT43, MKS_ROBIN_TFT_V1_1R, TFT_TRONXY_X5SA, ANYCUBIC_TFT35, ANYCUBIC_TFT35, LONGER_LK_TFT28, ANET_ET4_TFT28, ANET_ET5_TFT35)
   #if NONE(TFT_COLOR_UI, TFT_CLASSIC_UI, TFT_LVGL_UI)
     #error "TFT_COLOR_UI, TFT_CLASSIC_UI, TFT_LVGL_UI is required for your TFT. Please enable one."
   #elif 1 < ENABLED(TFT_COLOR_UI) + ENABLED(TFT_CLASSIC_UI) + ENABLED(TFT_LVGL_UI)

Marlin/src/lcd/tft/canvas.cpp

@@ -95,7 +95,7 @@ void CANVAS::AddImage(int16_t x, int16_t y, MarlinImage image, uint16_t *colors)
     if (line >= startLine && line < endLine) {
       uint16_t *pixel = buffer + x + (line - startLine) * width;
       for (int16_t j = 0; j < image_width; j++) {
-        if ((x + j >= 0) && (x + j < width)) *pixel = *data;
+        if ((x + j >= 0) && (x + j < width)) *pixel = ENDIAN_COLOR(*data);
         pixel++;
         data++;
       }

Marlin/src/lcd/tft/tft.h

@@ -30,6 +30,13 @@
 
 #include "../../inc/MarlinConfig.h"
 
+#if TFT_INTERFACE_FSMC_8BIT
+  // When we have a 8 bit interface, we need to invert the bytes of the color
+  #define ENDIAN_COLOR(C) (((C) >> 8) | ((C) << 8))
+#else
+  #define ENDIAN_COLOR(C) (C)
+#endif
+
 #if HAS_UI_320x240
   #define TFT_WIDTH         320
   #define TFT_HEIGHT        240

Marlin/src/lcd/tft/tft_queue.cpp

@@ -158,7 +158,7 @@ void TFT_Queue::fill(uint16_t x, uint16_t y, uint16_t width, uint16_t height, ui
   task_parameters->y = y;
   task_parameters->width = width;
   task_parameters->height = height;
-  task_parameters->color = color;
+  task_parameters->color = ENDIAN_COLOR(color);
   task_parameters->count = width * height;
 
   *end_of_queue = TASK_END_OF_QUEUE;
@@ -200,7 +200,7 @@ void TFT_Queue::set_background(uint16_t color) {
   last_parameter = end_of_queue;
 
   parameters->type = CANVAS_SET_BACKGROUND;
-  parameters->color = color;
+  parameters->color = ENDIAN_COLOR(color);
 
   end_of_queue += sizeof(parametersCanvasBackground_t);
   task_parameters->count++;
@@ -227,7 +227,7 @@ void TFT_Queue::add_text(uint16_t x, uint16_t y, uint16_t color, uint8_t *string
   parameters->type = CANVAS_ADD_TEXT;
   parameters->x = x;
   parameters->y = y;
-  parameters->color = color;
+  parameters->color = ENDIAN_COLOR(color);
   parameters->stringLength = 0;
   parameters->maxWidth = maxWidth;
 
@@ -261,18 +261,19 @@ void TFT_Queue::add_image(int16_t x, int16_t y, MarlinImage image, uint16_t *col
   if (color_mode == HIGHCOLOR) return;
 
   uint16_t *color = (uint16_t *)end_of_queue;
-  uint8_t number_of_color = 0;
+  uint8_t color_count = 0;
 
   switch (color_mode) {
-    case GREYSCALE1:  number_of_color =  1; break;
+    case GREYSCALE1: color_count =  1; break;
-    case GREYSCALE2:  number_of_color =  3; break;
+    case GREYSCALE2: color_count =  3; break;
-    case GREYSCALE4:  number_of_color = 15; break;
+    case GREYSCALE4: color_count = 15; break;
-    default:
+    default: break;
-      break;
   }
 
-  while (number_of_color--) {
+  uint16_t tmp;
-    *color++ = *colors++;
+  while (color_count--) {
+    tmp = *colors++;
+    *color++ = ENDIAN_COLOR(tmp);
   }
 
   end_of_queue = (uint8_t *)color;
@@ -326,7 +327,7 @@ void TFT_Queue::add_bar(uint16_t x, uint16_t y, uint16_t width, uint16_t height,
   parameters->y = y;
   parameters->width = width;
   parameters->height = height;
-  parameters->color = color;
+  parameters->color = ENDIAN_COLOR(color);
 
   end_of_queue += sizeof(parametersCanvasBar_t);
   task_parameters->count++;
@@ -344,7 +345,7 @@ void TFT_Queue::add_rectangle(uint16_t x, uint16_t y, uint16_t width, uint16_t h
   parameters->y = y;
   parameters->width = width;
   parameters->height = height;
-  parameters->color = color;
+  parameters->color = ENDIAN_COLOR(color);
 
   end_of_queue += sizeof(parametersCanvasRectangle_t);
   task_parameters->count++;

Marlin/src/lcd/tft/ui_320x240.cpp

@@ -414,21 +414,21 @@ void MenuEditItemBase::draw_edit_screen(PGM_P const pstr, const char* const valu
   extern screenFunc_t _manual_move_func_ptr;
   if (ui.currentScreen != _manual_move_func_ptr && !ui.external_control) {
 
-    #define SLIDER_LENGHT 224
+    #define SLIDER_LENGTH 224
     #define SLIDER_Y_POSITION 140
 
-    tft.canvas((TFT_WIDTH - SLIDER_LENGHT) / 2, SLIDER_Y_POSITION, SLIDER_LENGHT, 16);
+    tft.canvas((TFT_WIDTH - SLIDER_LENGTH) / 2, SLIDER_Y_POSITION, SLIDER_LENGTH, 16);
     tft.set_background(COLOR_BACKGROUND);
 
-    int16_t position = (SLIDER_LENGHT - 2) * ui.encoderPosition / maxEditValue;
+    int16_t position = (SLIDER_LENGTH - 2) * ui.encoderPosition / maxEditValue;
     tft.add_bar(0, 7, 1, 2, ui.encoderPosition == 0 ? COLOR_SLIDER_INACTIVE : COLOR_SLIDER);
     tft.add_bar(1, 6, position, 4, COLOR_SLIDER);
-    tft.add_bar(position + 1, 6, SLIDER_LENGHT - 2 - position, 4, COLOR_SLIDER_INACTIVE);
+    tft.add_bar(position + 1, 6, SLIDER_LENGTH - 2 - position, 4, COLOR_SLIDER_INACTIVE);
-    tft.add_bar(SLIDER_LENGHT - 1, 7, 1, 2, int32_t(ui.encoderPosition) == maxEditValue ? COLOR_SLIDER : COLOR_SLIDER_INACTIVE);
+    tft.add_bar(SLIDER_LENGTH - 1, 7, 1, 2, int32_t(ui.encoderPosition) == maxEditValue ? COLOR_SLIDER : COLOR_SLIDER_INACTIVE);
 
     #if ENABLED(TOUCH_SCREEN)
-      tft.add_image((SLIDER_LENGHT - 8) * ui.encoderPosition / maxEditValue, 0, imgSlider, COLOR_SLIDER);
+      tft.add_image((SLIDER_LENGTH - 8) * ui.encoderPosition / maxEditValue, 0, imgSlider, COLOR_SLIDER);
-      touch.add_control(SLIDER, (TFT_WIDTH - SLIDER_LENGHT) / 2, SLIDER_Y_POSITION - 8, SLIDER_LENGHT, 32, maxEditValue);
+      touch.add_control(SLIDER, (TFT_WIDTH - SLIDER_LENGTH) / 2, SLIDER_Y_POSITION - 8, SLIDER_LENGTH, 32, maxEditValue);
     #endif
   }
 

Marlin/src/lcd/tft_io/tft_io.h

@@ -75,8 +75,20 @@
 #define TOUCH_LANDSCAPE         1
 #define TOUCH_PORTRAIT          2
 
+#ifndef TOUCH_CALIBRATION_X
+  #define TOUCH_CALIBRATION_X   0
+#endif
+#ifndef TOUCH_CALIBRATION_Y
+  #define TOUCH_CALIBRATION_Y   0
+#endif
+#ifndef TOUCH_OFFSET_X
+  #define TOUCH_OFFSET_X        0
+#endif
+#ifndef TOUCH_OFFSET_Y
+  #define TOUCH_OFFSET_Y        0
+#endif
 #ifndef TOUCH_ORIENTATION
-  #define TOUCH_ORIENTATION    TOUCH_LANDSCAPE
+  #define TOUCH_ORIENTATION     TOUCH_LANDSCAPE
 #endif
 
 #define SSD1963         0x5761

Marlin/src/pins/pins.h

@@ -598,6 +598,10 @@
   #include "stm32f4/pins_MKS_ROBIN_PRO_V2.h"    // STM32F4                                env:mks_robin_pro2
 #elif MB(MKS_ROBIN_NANO_V3)
   #include "stm32f4/pins_MKS_ROBIN_NANO_V3.h"   // STM32F4                                env:mks_robin_nano_v3
+#elif MB(ANET_ET4)
+  #include "stm32f4/pins_ANET_ET4.h"            // STM32F4                                env:Anet_ET4_OpenBLT
+#elif MB(ANET_ET4P)
+  #include "stm32f4/pins_ANET_ET4P.h"           // STM32F4                                env:Anet_ET4_OpenBLT
 
 //
 // ARM Cortex M7

Marlin/src/pins/stm32f4/pins_ANET_ET4.h

@@ -0,0 +1,223 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#pragma once
+
+#if NOT_TARGET(STM32F4)
+  #error "Oops! Select an STM32F4 board in 'Tools > Board.'"
+#elif HOTENDS > 1 || E_STEPPERS > 1
+  #error "Anet ET4 only supports one hotend / E-stepper. Comment out this line to continue."
+#endif
+
+#ifndef BOARD_INFO_NAME
+  #define BOARD_INFO_NAME "Anet ET4 1.x"
+#endif
+
+//
+// EEPROM
+//
+
+// Use one of these or SDCard-based Emulation will be used
+#if NO_EEPROM_SELECTED
+  //#define SRAM_EEPROM_EMULATION                 // Use BackSRAM-based EEPROM emulation
+  #define FLASH_EEPROM_EMULATION                  // Use Flash-based EEPROM emulation
+  //#define IIC_BL24CXX_EEPROM                    // Use I2C EEPROM onboard IC (AT24C04C, Size 4KB, PageSize 16B)
+#endif
+
+#if ENABLED(FLASH_EEPROM_EMULATION)
+  // Decrease delays and flash wear by spreading writes across the
+  // 128 kB sector allocated for EEPROM emulation.
+  #define FLASH_EEPROM_LEVELING
+#elif ENABLED(IIC_BL24CXX_EEPROM)
+  #define IIC_EEPROM_SDA                    PB11
+  #define IIC_EEPROM_SCL                    PB10
+  #define EEPROM_DEVICE_ADDRESS             0xA0
+  #define MARLIN_EEPROM_SIZE              0x1000  // 4KB
+#endif
+
+//
+// Limit Switches
+//
+#define X_STOP_PIN                          PC13
+#define Y_STOP_PIN                          PE12
+#define Z_STOP_PIN                          PE11
+
+//
+// Z Probe
+//
+#if ENABLED(BLTOUCH)
+  #error "You will need to use 24V to 5V converter and remove one resistor and capacitor from the motherboard. See https://github.com/davidtgbe/Marlin/blob/bugfix-2.0.x/docs/Tutorials/bltouch-en.md for more information. Comment out this line to proceed at your own risk."
+  #define SERVO0_PIN                        PC3
+#elif !defined(Z_MIN_PROBE_PIN)
+  #define Z_MIN_PROBE_PIN                   PC3
+#endif
+
+//
+// Filament Runout Sensor
+//
+#ifndef FIL_RUNOUT_PIN
+  #define FIL_RUNOUT_PIN                    PA2
+#endif
+
+//
+// Power Loss Detection
+//
+#ifndef POWER_LOSS_PIN
+  #define POWER_LOSS_PIN                    PA8
+#endif
+
+//
+// LED PIN
+//
+#define LED_PIN                             PD12
+
+//
+// Steppers
+//
+#define X_STEP_PIN                          PB6
+#define X_DIR_PIN                           PB5
+#define X_ENABLE_PIN                        PB7
+
+#define Y_STEP_PIN                          PB3
+#define Y_DIR_PIN                           PD6
+#define Y_ENABLE_PIN                        PB4
+
+#define Z_STEP_PIN                          PA12
+#define Z_DIR_PIN                           PA11
+#define Z_ENABLE_PIN                        PA15
+
+#define E0_STEP_PIN                         PB9
+#define E0_DIR_PIN                          PB8
+#define E0_ENABLE_PIN                       PE0
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN                          PA1
+#define TEMP_BED_PIN                        PA4
+
+//
+// Heaters
+//
+#define HEATER_0_PIN                        PA0
+#define HEATER_BED_PIN                      PE2
+
+//
+// Fans
+//
+#define FAN_PIN                             PE3   // Layer fan
+#define FAN1_PIN                            PE1   // Hotend fan
+
+#ifndef E0_AUTO_FAN_PIN
+  #define E0_AUTO_FAN_PIN               FAN1_PIN
+#endif
+
+//
+// LCD / Controller
+//
+#define TFT_RESET_PIN                       PE6
+#define TFT_CS_PIN                          PD7
+#define TFT_RS_PIN                          PD13
+#define TFT_INTERFACE_FSMC_8BIT
+
+//
+// Touch Screen
+// https://ldm-systems.ru/f/doc/catalog/HY-TFT-2,8/XPT2046.pdf
+//
+#if ENABLED(TOUCH_SCREEN)
+  #define TOUCH_CS_PIN                      PB2
+  #define TOUCH_SCK_PIN                     PB0
+  #define TOUCH_MOSI_PIN                    PE5
+  #define TOUCH_MISO_PIN                    PE4
+  #define TOUCH_INT_PIN                     PB1
+#endif
+
+// Touchscreen calibration does not work correctly with ANET_ET5_TFT35 or ANET_ET4_TFT28
+#if ENABLED(TOUCH_SCREEN_CALIBRATION)
+  #undef TOUCH_SCREEN_CALIBRATION
+#endif
+
+#if ENABLED(ANET_ET5_TFT35)
+  #ifndef TOUCH_CALIBRATION_X
+    #define TOUCH_CALIBRATION_X            17125
+  #endif
+  #ifndef TOUCH_CALIBRATION_Y
+    #define TOUCH_CALIBRATION_Y           -11307
+  #endif
+  #ifndef TOUCH_OFFSET_X
+    #define TOUCH_OFFSET_X                   -26
+  #endif
+  #ifndef TOUCH_OFFSET_Y
+    #define TOUCH_OFFSET_Y                   337
+  #endif
+  #ifndef TOUCH_ORIENTATION
+    #define TOUCH_ORIENTATION     TOUCH_PORTRAIT
+  #endif
+#elif ENABLED(ANET_ET4_TFT28)
+  #ifndef TOUCH_CALIBRATION_X
+    #define TOUCH_CALIBRATION_X           -11838
+  #endif
+  #ifndef TOUCH_CALIBRATION_Y
+    #define TOUCH_CALIBRATION_Y             8776
+  #endif
+  #ifndef TOUCH_OFFSET_X
+    #define TOUCH_OFFSET_X                   333
+  #endif
+  #ifndef TOUCH_OFFSET_Y
+    #define TOUCH_OFFSET_Y                   -17
+  #endif
+  #ifndef TOUCH_ORIENTATION
+    #define TOUCH_ORIENTATION     TOUCH_PORTRAIT
+  #endif
+#endif
+
+//
+// SD Card
+//
+//#define SDIO_SUPPORT
+
+#ifndef SDCARD_CONNECTION
+  #define SDCARD_CONNECTION         CUSTOM_CABLE
+#endif
+
+#if ENABLED(SDSUPPORT)
+
+  #define SDIO_D0_PIN                       PC8
+  #define SDIO_D1_PIN                       PC9
+  #define SDIO_D2_PIN                       PC10
+  #define SDIO_D3_PIN                       PC11
+  #define SDIO_CK_PIN                       PC12
+  #define SDIO_CMD_PIN                      PD2
+
+  #if DISABLED(SDIO_SUPPORT)
+    #define SOFTWARE_SPI
+    #define SDSS                     SDIO_D3_PIN
+    #define SCK_PIN                  SDIO_CK_PIN
+    #define MISO_PIN                 SDIO_D0_PIN
+    #define MOSI_PIN                SDIO_CMD_PIN
+  #endif
+
+  #ifndef SD_DETECT_PIN
+    #define SD_DETECT_PIN                   PD3
+  #endif
+
+#endif

Marlin/src/pins/stm32f4/pins_ANET_ET4P.h

@@ -0,0 +1,34 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#pragma once
+
+#define BOARD_INFO_NAME "Anet ET4P 1.x"
+
+//
+// TMC2208 Configuration_adv defaults for Anet ET4P-MB_V1.x
+//
+#if !AXIS_DRIVER_TYPE_X(TMC2208_STANDALONE) || !AXIS_DRIVER_TYPE_Y(TMC2208_STANDALONE) || !AXIS_DRIVER_TYPE_Z(TMC2208_STANDALONE) || !AXIS_DRIVER_TYPE_E0(TMC2208_STANDALONE)
+  #error "ANET_ET4P requires ([XYZ]|E0)_DRIVER_TYPE set to TMC2208_STANDALONE."
+#endif
+
+#include "pins_ANET_ET4.h"

platformio.ini

@@ -1241,6 +1241,29 @@ build_flags       = ${common_stm32.build_flags}
 extra_scripts     = ${common.extra_scripts}
   pre:buildroot/share/PlatformIO/scripts/generic_create_variant.py
 
+#
+# Anet ET4-MB_V1.x/ET4P-MB_V1.x (STM32F407VGT6 ARM Cortex-M4)
+# For use with with davidtgbe's OpenBLT bootloader https://github.com/davidtgbe/openblt/releases
+# Comment out board_build.offset = 0x10000 if you don't plan to use OpenBLT/flashing directly to 0x08000000.
+#
+[env:Anet_ET4_OpenBLT]
+platform             = ${common_stm32.platform}
+extends              = common_stm32
+build_flags          = ${common_stm32.build_flags} -DHAL_SD_MODULE_ENABLED -DHAL_SRAM_MODULE_ENABLED
+board                = genericSTM32F407VGT6
+board_build.core     = stm32
+board_build.variant  = MARLIN_F4x7Vx
+board_build.ldscript = ldscript.ld
+board_build.firmware = firmware.srec
+board_build.offset   = 0x10000
+board_upload.offset_address = 0x08010000
+build_unflags        = ${common_stm32.build_unflags} -DUSBCON -DUSBD_USE_CDC -DUSBD_VID=0x0483
+debug_tool           = jlink
+upload_protocol      = jlink
+extra_scripts        = ${common.extra_scripts}
+  pre:buildroot/share/PlatformIO/scripts/generic_create_variant.py
+  buildroot/share/PlatformIO/scripts/stm32_bootloader.py
+
 #
 # BigTreeTech SKR Pro (STM32F407ZGT6 ARM Cortex-M4)
 #