text: /**
   * 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 nano (STM32F103VET6) board pin assignments
   */
  
  #if NOT_TARGET(__STM32F1__, STM32F1)
    #error "Oops! Select an STM32F1 board in 'Tools > Board.'"
  #elif HOTENDS > 2 || E_STEPPERS > 2
    #error "MKS Robin nano supports up to 2 hotends / E-steppers. Comment out this line to continue."
  #elif HAS_FSMC_TFT
    #error "MKS Robin nano v2 doesn't support FSMC-based TFT displays."
  #endif
  
  #define BOARD_INFO_NAME "MKS Robin nano V2.0"
  
  #define BOARD_NO_NATIVE_USB
  
  // Avoid conflict with TIMER_SERVO when using the STM32 HAL
  #define TEMP_TIMER                             5
  
  //
  // Release PB4 (Y_ENABLE_PIN) from JTAG NRST role
  //
  #define DISABLE_DEBUG
  
  //
  // EEPROM
  //
  //#define FLASH_EEPROM_EMULATION
  //#define SDCARD_EEPROM_EMULATION
  
  #if EITHER(NO_EEPROM_SELECTED, I2C_EEPROM)
    #define I2C_EEPROM                              // EEPROM on I2C-0
    #define MARLIN_EEPROM_SIZE              0x1000  // 4KB
  #endif
  
  //
  // Note: MKS Robin board is using SPI2 interface.
  //
  #define SPI_DEVICE                             2
  
  //
  // Servos
  //
  #define SERVO0_PIN                          PA8   // Enable BLTOUCH
  
  //
  // Limit Switches
  //
  #define X_DIAG_PIN                          PA15
  #define Y_DIAG_PIN                          PA12
  #define Z_DIAG_PIN                          PA11
  #define E0_DIAG_PIN                         PC4
  #define E1_DIAG_PIN                         PE7
  
  #define X_STOP_PIN                          PA15
  #define Y_STOP_PIN                          PA12
  #define Z_MIN_PIN                           PA11
  #define Z_MAX_PIN                           PC4
  
  //
  // Steppers
  //
  #define X_ENABLE_PIN                        PE4
  #define X_STEP_PIN                          PE3
  #define X_DIR_PIN                           PE2
  #ifndef X_CS_PIN
    #define X_CS_PIN                          PD5
  #endif
  
  #define Y_ENABLE_PIN                        PE1
  #define Y_STEP_PIN                          PE0
  #define Y_DIR_PIN                           PB9
  #ifndef Y_CS_PIN
    #define Y_CS_PIN                          PD7
  #endif
  
  #define Z_ENABLE_PIN                        PB8
  #define Z_STEP_PIN                          PB5
  #define Z_DIR_PIN                           PB4
  #ifndef Z_CS_PIN
    #define Z_CS_PIN                          PD4
  #endif
  
  #define E0_ENABLE_PIN                       PB3
  #define E0_STEP_PIN                         PD6
  #define E0_DIR_PIN                          PD3
  #ifndef E0_CS_PIN
    #define E0_CS_PIN                         PD9
  #endif
  
  #define E1_ENABLE_PIN                       PA3
  #define E1_STEP_PIN                         PD15
  #define E1_DIR_PIN                          PA1
  #ifndef E1_CS_PIN
    #define E1_CS_PIN                         PD8
  #endif
  
  //
  // Software SPI pins for TMC2130 stepper drivers
  //
  #if ENABLED(TMC_USE_SW_SPI)
    #ifndef TMC_SW_MOSI
      #define TMC_SW_MOSI                     PD14
    #endif
    #ifndef TMC_SW_MISO
      #define TMC_SW_MISO                     PD1
    #endif
    #ifndef TMC_SW_SCK
      #define TMC_SW_SCK                      PD0
    #endif
  #endif
  
  #if HAS_TMC_UART
    /**
     * TMC2208/TMC2209 stepper drivers
     *
     * Hardware serial communication ports.
     * If undefined software serial is used according to the pins below
     */
    //#define X_HARDWARE_SERIAL  MSerial1
    //#define Y_HARDWARE_SERIAL  MSerial1
    //#define Z_HARDWARE_SERIAL  MSerial1
    //#define E0_HARDWARE_SERIAL MSerial1
    //#define E1_HARDWARE_SERIAL MSerial1
  
    #define X_SERIAL_TX_PIN                   PD5
    #define X_SERIAL_RX_PIN                   PD5
  
    #define Y_SERIAL_TX_PIN                   PD7
    #define Y_SERIAL_RX_PIN                   PD7
  
    #define Z_SERIAL_TX_PIN                   PD4
    #define Z_SERIAL_RX_PIN                   PD4
  
    #define E0_SERIAL_TX_PIN                  PD9
    #define E0_SERIAL_RX_PIN                  PD9
  
    #define E1_SERIAL_TX_PIN                  PD8
    #define E1_SERIAL_RX_PIN                  PD8
  
    // Reduce baud rate to improve software serial reliability
    #define TMC_BAUD_RATE                    19200
  #endif // HAS_TMC_UART
  
  //
  // Temperature Sensors
  //
  #define TEMP_0_PIN                          PC1   // TH1
  #define TEMP_1_PIN                          PC2   // TH2
  #define TEMP_BED_PIN                        PC0   // TB1
  
  //
  // Heaters / Fans
  //
  #define HEATER_0_PIN                        PC3   // HEATER1
  #define HEATER_1_PIN                        PB0   // HEATER2
  #define HEATER_BED_PIN                      PA0   // HOT BED
  
  #define FAN_PIN                             PB1   // FAN
  
  //
  // Thermocouples
  //
  //#define TEMP_0_CS_PIN                     PE5   // TC1 - CS1
  //#define TEMP_0_CS_PIN                     PE6   // TC2 - CS2
  
  //
  // Power Supply Control
  //
  #if ENABLED(MKS_PWC)
    #if ENABLED(TFT_LVGL_UI)
      #undef PSU_CONTROL
      #undef MKS_PWC
      #define SUICIDE_PIN                     PB2
      #define SUICIDE_PIN_STATE               LOW
    #else
      #define PS_ON_PIN                       PB2   // PW_OFF
    #endif
    #define KILL_PIN                          PA2
    #define KILL_PIN_STATE                    HIGH
  #endif
  
  //
  // Misc. Functions
  //
  #if HAS_TFT_LVGL_UI
    #define MT_DET_1_PIN                      PA4
    #define MT_DET_2_PIN                      PE6
    #define MT_DET_PIN_STATE                  LOW
  
    #define WIFI_IO0_PIN                      PC13
    #define WIFI_IO1_PIN                      PC7
    #define WIFI_RESET_PIN                    PE9
  
    #if ENABLED(MKS_TEST)
      #define MKS_TEST_POWER_LOSS_PIN         PA2   // PW_DET
      #define MKS_TEST_PS_ON_PIN              PB2   // PW_OFF
    #endif
  #else
    //#define POWER_LOSS_PIN                  PA2   // PW_DET
    //#define PS_ON_PIN                       PB2   // PW_OFF
    #define FIL_RUNOUT_PIN                    PA4
    #define FIL_RUNOUT2_PIN                   PE6
  #endif
  
  //#define LED_PIN                           PB2
  
  //
  // SD Card
  //
  #ifndef SDCARD_CONNECTION
    #define SDCARD_CONNECTION              ONBOARD
  #endif
  
  #if SD_CONNECTION_IS(ONBOARD)
    #define SDIO_SUPPORT
    #define SDIO_CLOCK                     4500000  // 4.5 MHz
    #define SD_DETECT_PIN                     PD12
    #define ONBOARD_SD_CS_PIN                 PC11
  #elif SD_CONNECTION_IS(LCD)
    #define ENABLE_SPI1
    #define SDSS                              PE10
    #define SD_SCK_PIN                        PA5
    #define SD_MISO_PIN                       PA6
    #define SD_MOSI_PIN                       PA7
    #define SD_DETECT_PIN                     PE12
  #endif
  
  //
  // LCD / Controller
  //
  
  /**
   * 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_SPI_TFT
  
    // Shared SPI TFT
  
    #define LCD_BACKLIGHT_PIN                 PD13
  
    #define TOUCH_CS_PIN                      PE14  // SPI1_NSS
    #define TOUCH_SCK_PIN                     PA5   // SPI1_SCK
    #define TOUCH_MISO_PIN                    PA6   // SPI1_MISO
    #define TOUCH_MOSI_PIN                    PA7   // SPI1_MOSI
  
    #define BTN_EN1                           PE8
    #define BTN_EN2                           PE11
    #define BTN_ENC                           PE13
  
    #define TFT_CS_PIN                        PD11
    #define TFT_SCK_PIN                       PA5
    #define TFT_MISO_PIN                      PA6
    #define TFT_MOSI_PIN                      PA7
    #define TFT_DC_PIN                        PD10
    #define TFT_RST_PIN                       PC6
    #define TFT_A0_PIN                  TFT_DC_PIN
  
    #define TFT_RESET_PIN                     PC6
    #define TFT_BACKLIGHT_PIN                 PD13
  
    #define TOUCH_BUTTONS_HW_SPI
    #define TOUCH_BUTTONS_HW_SPI_DEVICE          1
  
    #define LCD_USE_DMA_SPI
  
  #endif
  
  #if ENABLED(TFT_CLASSIC_UI)
    // Emulated DOGM SPI
    #define LCD_PINS_ENABLE                   PD13
    #define LCD_PINS_RS                       PC6
    #define BTN_ENC                           PE13
    #define BTN_EN1                           PE8
    #define BTN_EN2                           PE11
  #elif ENABLED(TFT_COLOR_UI)
    #define TFT_BUFFER_SIZE                  14400
  #endif
  
  #if HAS_WIRED_LCD && !HAS_SPI_TFT
    #define BEEPER_PIN                        PC5
    #define BTN_ENC                           PE13
    #define LCD_PINS_ENABLE                   PD13
    #define LCD_PINS_RS                       PC6
    #define BTN_EN1                           PE8
    #define BTN_EN2                           PE11
    #define LCD_BACKLIGHT_PIN                 -1
  
    #if ENABLED(MKS_MINI_12864)
  
      // MKS MINI12864 and MKS LCD12864B
      // If using MKS LCD12864A (Need to remove RPK2 resistor)
  
      #define LCD_BACKLIGHT_PIN               -1
      #define LCD_RESET_PIN                   -1
      #define DOGLCD_A0                       PD11
      #define DOGLCD_CS                       PE15
      #define DOGLCD_SCK                      PA5
      #define DOGLCD_MOSI                     PA7
  
    #elif IS_TFTGLCD_PANEL
  
      #if ENABLED(TFTGLCD_PANEL_SPI)
        #define PIN_SPI_SCK                   PA5
        #define PIN_TFT_MISO                  PA6
        #define PIN_TFT_MOSI                  PA7
        #define TFTGLCD_CS                    PE8
      #endif
  
      #ifndef BEEPER_PIN
        #define BEEPER_PIN                    -1
      #endif
  
    #elif ENABLED(MKS_MINI_12864_V3)
      #define DOGLCD_CS                       PD13
      #define DOGLCD_A0                       PC6
      #define LCD_PINS_DC                DOGLCD_A0
      #define LCD_BACKLIGHT_PIN               -1
      #define LCD_RESET_PIN                   PE14
      #define NEOPIXEL_PIN                    PE15
      #define DOGLCD_MOSI                     PA7
      #define DOGLCD_SCK                      PA5
      #if SD_CONNECTION_IS(ONBOARD)
        #define FORCE_SOFT_SPI
      #endif
      //#define LCD_SCREEN_ROT_180
  
    #else                                           // !MKS_MINI_12864
  
      #define LCD_PINS_D4                     PE14
      #if IS_ULTIPANEL
        #define LCD_PINS_D5                   PE15
        #define LCD_PINS_D6                   PD11
        #define LCD_PINS_D7                   PD10
  
        #if ENABLED(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER)
          #define BTN_ENC_EN           LCD_PINS_D7  // Detect the presence of the encoder
        #endif
  
      #endif
  
      #if ENABLED(U8GLIB_ST7920)
        #define BOARD_ST7920_DELAY_1           125
        #define BOARD_ST7920_DELAY_2           125
        #define BOARD_ST7920_DELAY_3           125
      #endif
  
    #endif // !MKS_MINI_12864
  
  #endif // HAS_WIRED_LCD && !HAS_SPI_TFT
  
  #define HAS_SPI_FLASH                          1
  #if HAS_SPI_FLASH
    #define SPI_FLASH_SIZE               0x1000000  // 16MB
    #define SPI_FLASH_CS_PIN                  PB12
    #define SPI_FLASH_MOSI_PIN                PB15
    #define SPI_FLASH_MISO_PIN                PB14
    #define SPI_FLASH_SCK_PIN                 PB13
  #endif
  
  #ifndef BEEPER_PIN
    #define BEEPER_PIN                        PC5
  #endif
  
  #if ENABLED(SPEAKER) && BEEPER_PIN == PC5
    #error "MKS Robin nano default BEEPER_PIN is not a SPEAKER."
  #endif
  