Marlin_Firmware/Marlin/src/pins/stm32f1/pins_MKS_ROBIN_NANO.h

/**
 * 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

/**
 * MKS Robin nano (STM32F130VET6) board pin assignments
 */

#ifndef __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."
#endif

#define BOARD_INFO_NAME "MKS Robin nano"

//
// Release PB4 (Y_ENABLE_PIN) from JTAG NRST role
//
#define DISABLE_DEBUG

//
// EEPROM
//
#if NO_EEPROM_SELECTED
  //#define FLASH_EEPROM_EMULATION
  #define SDCARD_EEPROM_EMULATION
#endif
#define ENABLE_SPI2

//
// Limit Switches
//
#define X_STOP_PIN                          PA15
#define Y_STOP_PIN                          PA12
#define Z_MIN_PIN                           PA11
#define Z_MAX_PIN                           PC4

#ifndef FIL_RUNOUT_PIN
  #define FIL_RUNOUT_PIN                    PA4   // MT_DET
#endif

//
// Steppers
//
#define X_ENABLE_PIN                        PE4
#define X_STEP_PIN                          PE3
#define X_DIR_PIN                           PE2

#define Y_ENABLE_PIN                        PE1
#define Y_STEP_PIN                          PE0
#define Y_DIR_PIN                           PB9

#define Z_ENABLE_PIN                        PB8
#define Z_STEP_PIN                          PB5
#define Z_DIR_PIN                           PB4

#define E0_ENABLE_PIN                       PB3
#define E0_STEP_PIN                         PD6
#define E0_DIR_PIN                          PD3

#define E1_ENABLE_PIN                       PA3
#define E1_STEP_PIN                         PA6
#define E1_DIR_PIN                          PA1

//
// Temperature Sensors
//
#define TEMP_0_PIN                          PC1   // TH1
#define TEMP_1_PIN                          PC2   // TH2
#define TEMP_BED_PIN                        PC0   // TB1

//
// Heaters / Fans
//
#ifndef HEATER_0_PIN
  #define HEATER_0_PIN                      PC3
#endif
#if HOTENDS == 1
  #ifndef FAN1_PIN
    #define FAN1_PIN                        PB0
  #endif
#else
  #ifndef HEATER_1_PIN
    #define HEATER_1_PIN                    PB0
  #endif
#endif
#ifndef FAN_PIN
  #define FAN_PIN                           PB1   // FAN
#endif
#ifndef HEATER_BED_PIN
  #define HEATER_BED_PIN                    PA0
#endif

//
// Thermocouples
//
//#define MAX6675_SS_PIN                    PE5   // TC1 - CS1
//#define MAX6675_SS_PIN                    PE6   // TC2 - CS2

//
// Misc. Functions
//
//#define POWER_LOSS_PIN                    PA2   // PW_DET
//#define PS_ON_PIN                         PA3   // PW_OFF

//#define SUICIDE_PIN                       PB2   // Enable MKSPWC support ROBIN NANO v1.2 ONLY
//#define SUICIDE_PIN_INVERTING false

//#define KILL_PIN                          PA2   // Enable MKSPWC support ROBIN NANO v1.2 ONLY
//#define KILL_PIN_INVERTING true                 // Enable MKSPWC support ROBIN NANO v1.2 ONLY

//#define SERVO0_PIN                        PA8   // Enable BLTOUCH support ROBIN NANO v1.2 ONLY

//#define LED_PIN                           PB2

#define MT_DET_1_PIN                        PA4
#define MT_DET_PIN_INVERTING false

//
// SD Card
//
#ifndef SDCARD_CONNECTION
  #define SDCARD_CONNECTION              ONBOARD
#endif

#define SDIO_SUPPORT
#define SDIO_CLOCK                       4500000   // 4.5 MHz
#define SD_DETECT_PIN                       PD12
#define ONBOARD_SD_CS_PIN                   PC11

//
// LCD / Controller
//
#define BEEPER_PIN                          PC5

/**
 * 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 ENABLED(SPI_GRAPHICAL_TFT)

  #if HAS_SPI_LCD

    #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

    // MKS MINI12864 and MKS LCD12864B; If using MKS LCD12864A (Need to remove RPK2 resistor)
    #if ENABLED(MKS_MINI_12864)
      #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

      // Required for MKS_MINI_12864 with this board
      #define MKS_LCD12864B
      #undef SHOW_BOOTSCREEN

    #else                                         // !MKS_MINI_12864

      #define LCD_PINS_D4                   PE14
      #if ENABLED(ULTIPANEL)
        #define LCD_PINS_D5                 PE15
        #define LCD_PINS_D6                 PD11
        #define LCD_PINS_D7                 PD10
      #endif

      #ifndef ST7920_DELAY_1
        #define ST7920_DELAY_1     DELAY_NS(125)
      #endif
      #ifndef ST7920_DELAY_2
        #define ST7920_DELAY_2     DELAY_NS(125)
      #endif
      #ifndef ST7920_DELAY_3
        #define ST7920_DELAY_3     DELAY_NS(125)
      #endif

    #endif // !MKS_MINI_12864

  #else

    #define SPI_TFT_CS_PIN                  PD11
    #define SPI_TFT_SCK_PIN                 PA5
    #define SPI_TFT_MISO_PIN                PA6
    #define SPI_TFT_MOSI_PIN                PA7
    #define SPI_TFT_DC_PIN                  PD10
    #define SPI_TFT_RST_PIN                 PC6

    #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 BEEPER_PIN                      PC5
    #define BTN_ENC                         PE13

  #endif // HAS_SPI_LCD

#elif ENABLED(TFT_LITTLE_VGL_UI)

  #define FSMC_CS_PIN                       PD7   // NE4
  #define FSMC_RS_PIN                       PD11  // A0

  #define TOUCH_CS_PIN                      PA7   // SPI2_NSS
  #define TOUCH_SCK_PIN                     PB13  // SPI2_SCK
  #define TOUCH_MISO_PIN                    PB14  // SPI2_MISO
  #define TOUCH_MOSI_PIN                    PB15  // SPI2_MOSI

  #define LCD_BACKLIGHT_PIN                 PD13

#elif ENABLED(FSMC_GRAPHICAL_TFT)

  #define FSMC_CS_PIN                       PD7   // NE4
  #define FSMC_RS_PIN                       PD11  // A0

  #define LCD_RESET_PIN                     PC6   // FSMC_RST
  #define NO_LCD_REINIT                           // Suppress LCD re-initialization

  #define LCD_BACKLIGHT_PIN                 PD13

  #if ENABLED(TOUCH_BUTTONS)
    #define TOUCH_CS_PIN                    PA7   // SPI2_NSS
    #define TOUCH_SCK_PIN                   PB13  // SPI2_SCK
    #define TOUCH_MISO_PIN                  PB14  // SPI2_MISO
    #define TOUCH_MOSI_PIN                  PB15  // SPI2_MOSI
  #endif

#endif

#define SPI_FLASH
#if ENABLED(SPI_FLASH)
  #define W25QXX_CS_PIN                     PB12
  #define W25QXX_MOSI_PIN                   PB15
  #define W25QXX_MISO_PIN                   PB14
  #define W25QXX_SCK_PIN                    PB13
#endif