marlin/Marlin/src/pins/stm32/pins_MKS_ROBIN_LITE.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

#ifndef __STM32F1__
  #error "Oops! Select an STM32F1 board in 'Tools > Board.'"
#elif HOTENDS > 1 || E_STEPPERS > 1
  #error "MKS Robin Lite supports only 1 hotend / E-stepper. Comment out this line to continue."
#endif

#ifndef BOARD_INFO_NAME
  #define BOARD_INFO_NAME "MKS Robin Lite"
#endif
#define BOARD_WEBSITE_URL "github.com/makerbase-mks"

//#define DISABLE_DEBUG
#define DISABLE_JTAG
#define ENABLE_SPI2

//
// Limit Switches
//
#define X_STOP_PIN         PC13
#define Y_STOP_PIN         PC0
#define Z_MIN_PIN          PC12
#define Z_MAX_PIN          PB9

//
// Steppers
//
#define X_STEP_PIN         PC6
#define X_DIR_PIN          PB12
#define X_ENABLE_PIN       PB10

#define Y_STEP_PIN         PB11
#define Y_DIR_PIN          PB2
#define Y_ENABLE_PIN       PB10

#define Z_STEP_PIN         PB1
#define Z_DIR_PIN          PC5
#define Z_ENABLE_PIN       PB10

#define E0_STEP_PIN        PC4
#define E0_DIR_PIN         PA5
#define E0_ENABLE_PIN      PA4

//
// Heaters / Fans
//
#define HEATER_0_PIN       PC9
#define FAN_PIN            PA8
#define HEATER_BED_PIN     PC8

//
// Temperature Sensors
//
#define TEMP_BED_PIN       PA1
#define TEMP_0_PIN         PA0

#define FIL_RUNOUT_PIN     PB8  // MT_DET

//
// LCD Pins
//
#if HAS_SPI_LCD
  #define BEEPER_PIN       PD2
  #define BTN_ENC          PB3
  #define LCD_PINS_RS      PC3

  #define BTN_EN1          PB5
  #define BTN_EN2          PB4

  #define LCD_PINS_ENABLE  PC2

  #if ENABLED(MKS_MINI_12864)

    #define LCD_BACKLIGHT_PIN -1
    #define LCD_RESET_PIN  -1
    #define DOGLCD_A0      PC1
    #define DOGLCD_CS      PC2
    #define DOGLCD_SCK     PB13
    #define DOGLCD_MOSI    PB15

  #else // !MKS_MINI_12864

    #define LCD_PINS_D4    PC1
    #if ENABLED(ULTIPANEL)
      #define LCD_PINS_D5  -1
      #define LCD_PINS_D6  -1
      #define LCD_PINS_D7  -1
    #endif

  #endif // !MKS_MINI_12864

#endif // HAS_SPI_LCD

// Motor current PWM pins
#define MOTOR_CURRENT_PWM_XY_PIN PB0
#define MOTOR_CURRENT_PWM_Z_PIN  PA7
#define MOTOR_CURRENT_PWM_E_PIN  PA6
#define MOTOR_CURRENT_PWM_RANGE (65535/10/3.3) // (255 * (1000mA / 65535)) * 257 = 1000 is equal 1.6v Vref in turn equal 1Amp
#define DEFAULT_PWM_MOTOR_CURRENT { 1000, 1000, 1000 } // 1.05Amp per driver, here is XY, Z and E. This values determined empirically.

//
// SD Card
//
#define ENABLE_SPI2
#define SD_DETECT_PIN      PC10
#define SCK_PIN            PB13
#define MISO_PIN           P1B4
#define MOSI_PIN           P1B5
#define SS_PIN             PA15

#if HAS_GRAPHICAL_LCD
  #define BOARD_ST7920_DELAY_1 DELAY_NS(125)
  #define BOARD_ST7920_DELAY_2 DELAY_NS(125)
  #define BOARD_ST7920_DELAY_3 DELAY_NS(125)
#endif