MPX_ARM_MINI board (Mingda MD-16) (#20711)

Marlin/src/core/boards.h

@@ -338,6 +338,7 @@
 #define BOARD_FLY_MINI                4045  // FLY MINI (STM32F103RCT6)
 #define BOARD_FLSUN_HISPEED           4046  // FLSUN HiSpeedV1 (STM32F103VET6)
 #define BOARD_BEAST                   4047  // STM32F103RET6 Libmaple-based controller
+#define BOARD_MINGDA_MPX_ARM_MINI     4048  // STM32F103ZET6 Mingda MD-16
 
 //
 // ARM Cortex-M4F

Marlin/src/pins/pins.h

@@ -548,6 +548,8 @@
   #include "stm32f1/pins_FLSUN_HISPEED.h"       // STM32F1                                env:flsun_hispeed
 #elif MB(BEAST)
   #include "stm32f1/pins_BEAST.h"               // STM32F1                                env:STM32F103RE
+#elif MB(MINGDA_MPX_ARM_MINI)
+  #include "stm32f1/pins_MINGDA_MPX_ARM_MINI.h" // STM32F1                                env:STM32F103RE
 
 //
 // ARM Cortex-M4F

Marlin/src/pins/stm32f1/pins_MINGDA_MPX_ARM_MINI.h

@@ -0,0 +1,176 @@
+/**
+ * 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 <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * MKS Robin mini (STM32F130VET6) board pin assignments
+ */
+
+#if NOT_TARGET(STM32F1, STM32F1xx)
+  #error "Oops! Select an STM32F1 board in 'Tools > Board.'"
+#elif HOTENDS > 2 || E_STEPPERS > 2
+  #error "MKS Robin supports up to 2 hotends / E-steppers. Comment out this line to continue."
+#endif
+
+#define BOARD_INFO_NAME "Mingda MPX_ARM_MINI"
+
+#define BOARD_NO_NATIVE_USB
+#define DISABLE_DEBUG
+
+//
+// EEPROM
+//
+
+/*
+//Mingda used an unknown EEPROM chip ATMLH753, so I turned on the emulation below.
+//It is connected to EEPROM PB6 PB7
+
+#define I2C_EEPROM
+#undef NO_EEPROM_SELECTED
+#define MARLIN_EEPROM_SIZE                0x1000  // 4KB
+#define USE_SHARED_EEPROM                      1  // Use Platform-independent Arduino functions for I2C EEPROM
+#define E2END                             0xFFFF  // EEPROM end address AT24C256 (32kB)
+*/
+
+#if EITHER(NO_EEPROM_SELECTED, FLASH_EEPROM_EMULATION)
+  #define FLASH_EEPROM_EMULATION
+  #define EEPROM_PAGE_SIZE                0x800U  // 2KB
+  #define EEPROM_START_ADDRESS  (0x8000000UL + (STM32_FLASH_SIZE) * 1024UL - (EEPROM_PAGE_SIZE) * 2UL)
+  #define MARLIN_EEPROM_SIZE    EEPROM_PAGE_SIZE  // 2KB
+#endif
+
+#define SPI_DEVICE                             2
+
+//
+// Limit Switches
+//
+#define X_MIN_PIN                           PD6
+#define X_MAX_PIN                           PG15
+#define Y_MIN_PIN                           PG9
+#define Y_MAX_PIN                           PG14
+#define Z_MIN_PIN                           PG10
+#define Z_MAX_PIN                           PG13
+
+#ifndef FIL_RUNOUT_PIN
+  #define FIL_RUNOUT_PIN                    PG11
+#endif
+
+//
+// Steppers
+//
+#define X_ENABLE_PIN                        PD13
+#define X_STEP_PIN                          PD12
+#define X_DIR_PIN                           PD11
+
+#define Y_ENABLE_PIN                        PG4
+#define Y_STEP_PIN                          PG3
+#define Y_DIR_PIN                           PG2
+
+#define Z_ENABLE_PIN                        PG7
+#define Z_STEP_PIN                          PG6
+#define Z_DIR_PIN                           PG5
+
+#define E0_ENABLE_PIN                       PC7
+#define E0_STEP_PIN                         PC6
+#define E0_DIR_PIN                          PG8
+
+//
+// Temperature Sensors
+//
+//#define TEMP_0_PIN                        PF6   // THERM_E0
+//#define TEMP_0_PIN                        PB3   // E0 K+
+#define TEMP_BED_PIN                        PF7   // THERM_BED
+
+#define MAX6675_SS_PIN                      PB5
+#define MAX6675_SCK_PIN                     PB3
+#define MAX6675_DO_PIN                      PB4
+#define MAX6675_MOSI_PIN                    PA14
+
+//
+// Heaters / Fans
+//
+#define HEATER_0_PIN                        PB0
+#define HEATER_BED_PIN                      PB1
+
+#define FAN_PIN                             PA0   // FAN
+
+//
+// SD Card
+//
+#ifndef SDCARD_CONNECTION
+  #define SDCARD_CONNECTION              ONBOARD
+#endif
+
+#define SDIO_SUPPORT
+#define SDIO_CLOCK                       4500000  // 4.5 MHz
+#define SDIO_READ_RETRIES                     16
+
+#define SD_DETECT_PIN                       PC5
+#define ONBOARD_SPI_DEVICE                     1  // SPI1
+#define ONBOARD_SD_CS_PIN                   PC10
+
+//
+// LCD / Controller
+//
+#define BEEPER_PIN                          PE4
+
+/**
+ * Note: MKS Robin TFT screens use various TFT controllers.
+ * If the screen stays white, disable 'LCD_RESET_PIN'
+ * to let the bootloader init the screen.
+ */
+#if HAS_FSMC_TFT
+  /**
+   * Note: MKS Robin TFT screens use various TFT controllers
+   * Supported screens are based on the ILI9341, ST7789V and ILI9328 (320x240)
+   * ILI9488 is not supported
+   * Define init sequences for other screens in u8g_dev_tft_320x240_upscale_from_128x64.cpp
+   *
+   * If the screen stays white, disable 'TFT_RESET_PIN'
+   * to let the bootloader init the screen.
+   *
+   * Setting an 'TFT_RESET_PIN' may cause a flicker when entering the LCD menu
+   * because Marlin uses the reset as a failsafe to revive a glitchy LCD.
+   */
+  #define TFT_CS_PIN                        PD7   // NE4
+  #define TFT_RS_PIN                        PG0   // A0
+
+  #define FSMC_CS_PIN                 TFT_CS_PIN
+  #define FSMC_RS_PIN                 TFT_RS_PIN
+
+  #define LCD_USE_DMA_FSMC                        // Use DMA transfers to send data to the TFT
+  #define FSMC_DMA_DEV                      DMA2
+  #define FSMC_DMA_CHANNEL               DMA_CH5
+
+  #define TFT_RESET_PIN                     PF15
+  #define TFT_BACKLIGHT_PIN                 PF11
+
+  #define TOUCH_BUTTONS_HW_SPI
+  #define TOUCH_BUTTONS_HW_SPI_DEVICE          1
+#endif
+
+#if NEED_TOUCH_PINS
+  #define TOUCH_CS_PIN                      PA4   // SPI2_NSS
+  #define TOUCH_SCK_PIN                     PA5   // SPI2_SCK
+  #define TOUCH_MISO_PIN                    PA6   // SPI2_MISO
+  #define TOUCH_MOSI_PIN                    PA7   // SPI2_MOSI
+#endif

platformio.ini

@@ -1524,6 +1524,23 @@ build_flags       = ${stm32_flash_drive.build_flags}
   -DUSE_USB_HS_IN_FS
   -DUSBD_USE_CDC
 
+#
+# Mingda MPX_ARM_MINI
+#
+
+[env:mingda_mpx_arm_mini]
+platform             = ${common_stm32.platform}
+extends              = common_stm32
+board                = genericSTM32F103ZE
+board_build.core     = stm32
+board_build.variant  = MARLIN_F103Zx
+board_build.ldscript = ldscript.ld
+board_build.offset   = 0x10000
+build_flags          = ${common_stm32.build_flags} -DENABLE_HWSERIAL3 -DTIMER_SERIAL=TIM5
+build_unflags        = ${common_stm32.build_unflags} -DUSBCON -DUSBD_USE_CDC
+extra_scripts        = ${common.extra_scripts} pre:buildroot/share/PlatformIO/scripts/generic_create_variant.py buildroot/share/PlatformIO/scripts/stm32_bootloader.py
+
+
 #################################
 #                               #
 #      Other Architectures      #