Creality 4.2.10 board (#20647)

Marlin/src/core/boards.h

 #define BOARD_CHITU3D_V6              4037  // Chitu3D TronXY X5SA V5 Board
 #define BOARD_CREALITY_V4             4038  // Creality v4.x (STM32F103RE)
 #define BOARD_CREALITY_V427           4039  // Creality v4.2.7 (STM32F103RE)
-#define BOARD_CREALITY_V431           4040  // Creality v4.3.1 (STM32F103RE)
-#define BOARD_CREALITY_V452           4041  // Creality v4.5.2 (STM32F103RE)
-#define BOARD_CREALITY_V453           4042  // Creality v4.5.3 (STM32F103RE)
-#define BOARD_TRIGORILLA_PRO          4043  // Trigorilla Pro (STM32F103ZET6)
-#define BOARD_FLY_MINI                4044  // FLY MINI (STM32F103RCT6)
-#define BOARD_FLSUN_HISPEED           4045  // FLSUN HiSpeedV1 (STM32F103VET6)
-#define BOARD_BEAST                   4046  // STM32F103RET6 Libmaple-based controller
+#define BOARD_CREALITY_V4210          4040  // Creality v4.2.10 (STM32F103RE) as found in the CR-30
+#define BOARD_CREALITY_V431           4041  // Creality v4.3.1 (STM32F103RE)
+#define BOARD_CREALITY_V452           4042  // Creality v4.5.2 (STM32F103RE)
+#define BOARD_CREALITY_V453           4043  // Creality v4.5.3 (STM32F103RE)
+#define BOARD_TRIGORILLA_PRO          4044  // Trigorilla Pro (STM32F103ZET6)
+#define BOARD_FLY_MINI                4045  // FLY MINI (STM32F103RCT6)
+#define BOARD_FLSUN_HISPEED           4046  // FLSUN HiSpeedV1 (STM32F103VET6)
+#define BOARD_BEAST                   4047  // STM32F103RET6 Libmaple-based controller
 
 //
 // ARM Cortex-M4F

Marlin/src/pins/pins.h

   #include "stm32f1/pins_CHITU3D_V6.h"          // STM32F1                                env:chitu_f103
 #elif MB(CREALITY_V4)
   #include "stm32f1/pins_CREALITY_V4.h"         // STM32F1                                env:STM32F103RET6_creality
+#elif MB(CREALITY_V4210)
+  #include "stm32f1/pins_CREALITY_V4210.h"      // STM32F1                                env:STM32F103RET6_creality
 #elif MB(CREALITY_V427)
   #include "stm32f1/pins_CREALITY_V427.h"       // STM32F1                                env:STM32F103RET6_creality
 #elif MB(CREALITY_V431)

Marlin/src/pins/stm32f1/pins_CREALITY_V4210.h

+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 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 <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * CREALITY 4.2.10 (STM32F103) board pin assignments
+ */
+
+#if NOT_TARGET(__STM32F1__)
+  #error "Oops! Select an STM32F1 board in 'Tools > Board.'"
+#elif HOTENDS > 1 || E_STEPPERS > 1
+  #error "CREALITY supports up to 1 hotends / E-steppers. Comment out this line to continue."
+#endif
+
+#ifndef BOARD_INFO_NAME
+  #define BOARD_INFO_NAME      "Creality V4.2.10"
+#endif
+#ifndef DEFAULT_MACHINE_NAME
+  #define DEFAULT_MACHINE_NAME "3DPrintMill"
+#endif
+
+#define BOARD_NO_NATIVE_USB
+
+//
+// EEPROM
+//
+#if NO_EEPROM_SELECTED
+  // FLASH
+  //#define FLASH_EEPROM_EMULATION
+
+  // I2C
+  #define IIC_BL24CXX_EEPROM                      // EEPROM on I2C-0 used only for display settings
+  #if ENABLED(IIC_BL24CXX_EEPROM)
+    #define IIC_EEPROM_SDA                  PA11
+    #define IIC_EEPROM_SCL                  PA12
+    #define MARLIN_EEPROM_SIZE             0x800  // 2Kb (24C16)
+  #else
+    #define SDCARD_EEPROM_EMULATION               // SD EEPROM until all EEPROM is BL24CXX
+    #define MARLIN_EEPROM_SIZE             0x800  // 2Kb
+  #endif
+
+  // SPI
+  //#define SPI_EEPROM                            // EEPROM on SPI-0
+  //#define SPI_CHAN_EEPROM1  ?
+  //#define SPI_EEPROM1_CS    ?
+
+  // 2K EEPROM
+  //#define SPI_EEPROM2_CS    ?
+
+  // 32Mb FLASH
+  //#define SPI_FLASH_CS      ?
+#endif
+
+//
+// Servos
+//
+#define SERVO0_PIN                          PB0   // BLTouch OUT
+
+//
+// Limit Switches
+//
+#define X_STOP_PIN                          PA3
+#define Y_STOP_PIN                          PA7
+#define Z_STOP_PIN                          PA5
+
+#define Z_MIN_PROBE_PIN                     PA5   // BLTouch IN
+
+//
+// Filament Runout Sensor
+//
+#ifndef FIL_RUNOUT_PIN
+  #define FIL_RUNOUT_PIN                    PA6   // "Pulled-high"
+#endif
+
+//
+// Steppers
+//
+#define X_ENABLE_PIN                        PC3
+#ifndef X_STEP_PIN
+  #define X_STEP_PIN                        PC2
+#endif
+#ifndef X_DIR_PIN
+  #define X_DIR_PIN                         PB9
+#endif
+
+#define Y_ENABLE_PIN                        PC3
+#ifndef Y_STEP_PIN
+  #define Y_STEP_PIN                        PB8
+#endif
+#ifndef Y_DIR_PIN
+  #define Y_DIR_PIN                         PB7
+#endif
+
+#define Z_ENABLE_PIN                        PC3
+#ifndef Z_STEP_PIN
+  #define Z_STEP_PIN                        PB6
+#endif
+#ifndef Z_DIR_PIN
+  #define Z_DIR_PIN                         PB5
+#endif
+
+#define E0_ENABLE_PIN                       PC3
+#ifndef E0_STEP_PIN
+  #define E0_STEP_PIN                       PB4
+#endif
+#ifndef E0_DIR_PIN
+  #define E0_DIR_PIN                        PB3
+#endif
+
+//
+// Release PB4 (Y_ENABLE_PIN) from JTAG NRST role
+//
+#define DISABLE_DEBUG
+
+//
+// Temperature Sensors
+//
+#define TEMP_0_PIN                          PC5   // TH1
+#define TEMP_BED_PIN                        PC4   // TB1
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN                        PA0   // HEATER1
+#define HEATER_BED_PIN                      PA1   // HOT BED
+
+#define FAN_PIN                             PA2   // FAN
+#define FAN_SOFT_PWM
+
+//
+// SD Card
+//
+#define SD_DETECT_PIN                       PC7
+#define SDCARD_CONNECTION                ONBOARD
+#define ONBOARD_SPI_DEVICE                     1
+#define ONBOARD_SD_CS_PIN                   PA4   // SDSS
+#define SDIO_SUPPORT
+#define NO_SD_HOST_DRIVE                          // This board's SD is only seen by the printer
+
+#if ENABLED(CR10_STOCKDISPLAY) && NONE(RET6_12864_LCD, VET6_12864_LCD)
+  #error "Define RET6_12864_LCD or VET6_12864_LCD to select pins for CR10_STOCKDISPLAY with the Creality V4 controller."
+#endif
+
+#if ENABLED(RET6_12864_LCD)
+
+  // RET6 12864 LCD
+  #define LCD_PINS_RS                       PB12
+  #define LCD_PINS_ENABLE                   PB15
+  #define LCD_PINS_D4                       PB13
+
+  #define BTN_ENC                           PB2
+  #define BTN_EN1                           PB10
+  #define BTN_EN2                           PB14
+
+  #define BEEPER_PIN                        PC6
+
+#elif ENABLED(VET6_12864_LCD)
+
+  // VET6 12864 LCD
+  #define LCD_PINS_RS                       PA4
+  #define LCD_PINS_ENABLE                   PA7
+  #define LCD_PINS_D4                       PA5
+
+  #define BTN_ENC                           PC5
+  #define BTN_EN1                           PB10
+  #define BTN_EN2                           PA6
+
+#elif ENABLED(DWIN_CREALITY_LCD)
+
+  // RET6 DWIN ENCODER LCD
+  #define BTN_ENC                           PB14
+  #define BTN_EN1                           PB15
+  #define BTN_EN2                           PB12
+
+  //#define LCD_LED_PIN                     PB2
+  #ifndef BEEPER_PIN
+    #define BEEPER_PIN                      PB13
+    #undef SPEAKER
+  #endif
+
+#elif ENABLED(DWIN_VET6_CREALITY_LCD)
+
+  // VET6 DWIN ENCODER LCD
+  #define BTN_ENC                           PA6
+  #define BTN_EN1                           PA7
+  #define BTN_EN2                           PA4
+
+  #define BEEPER_PIN                        PA5
+
+#endif