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pins_BIGTREE_SKR_MINI_E3.h
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/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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#ifndef TARGET_STM32F1
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#error "Oops! Select an STM32F1 board in 'Tools > Board.'"
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#endif
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#define BOARD_INFO_NAME "BIGTREE SKR Mini E3"
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// Release PB3/PB4 (E0 STP/DIR) from JTAG pins
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#define DISABLE_JTAG
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// Ignore temp readings during development.
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//#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
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#ifdef MCU_STM32F103RE
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#define STM32_FLASH_SIZE (512 * 1024)
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#else
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#define STM32_FLASH_SIZE (256 * 1024)
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#endif
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#define FLASH_EEPROM_EMULATION
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#define EEPROM_PAGE_SIZE uint16(0x800) // 2KB
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#define EEPROM_START_ADDRESS uint32(0x8000000 + STM32_FLASH_SIZE - 2 * EEPROM_PAGE_SIZE)
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#undef E2END
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#define E2END (EEPROM_PAGE_SIZE - 1) // 2KB
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//
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// Servos
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//
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#define SERVO0_PIN PA1
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//
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// Limit Switches
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//
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#define X_STOP_PIN PC0
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#define Y_STOP_PIN PC1
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#define Z_STOP_PIN PC2
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//
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// Z Probe must be this pins
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//
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#define Z_MIN_PROBE_PIN PC14
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//
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// Filament Runout Sensor
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//
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#ifndef FIL_RUNOUT_PIN
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#define FIL_RUNOUT_PIN PC15
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#endif
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//
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// Steppers
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//
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#define X_ENABLE_PIN PB14
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#define X_STEP_PIN PB13
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#define X_DIR_PIN PB12
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#define Y_ENABLE_PIN PB11
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#define Y_STEP_PIN PB10
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#define Y_DIR_PIN PB2
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#define Z_ENABLE_PIN PB1
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#define Z_STEP_PIN PB0
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#define Z_DIR_PIN PC5
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#define E0_ENABLE_PIN PD2
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#define E0_STEP_PIN PB3
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#define E0_DIR_PIN PB4
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#if HAS_DRIVER(TMC2209)
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/**
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* TMC2209 stepper drivers
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* Hardware serial communication ports.
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*/
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#define X_HARDWARE_SERIAL Serial4
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#define Y_HARDWARE_SERIAL Serial4
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#define Z_HARDWARE_SERIAL Serial4
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#define E0_HARDWARE_SERIAL Serial4
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#endif
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//
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// Temperature Sensors
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//
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#define TEMP_0_PIN PA0 // Analog Input
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#define TEMP_BED_PIN PC3 // Analog Input
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//
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// Heaters / Fans
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//
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#define HEATER_0_PIN PC8 // EXTRUDER
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#define HEATER_BED_PIN PC9 // BED
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#define FAN_PIN PA8
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//
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// USB connect control
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//
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#define USB_CONNECT_PIN PC13
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#define USB_CONNECT_INVERTING false
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#define SD_DETECT_PIN PC4
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/**
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* _____
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* 5V | · · | GND
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* (LCD_EN) PB7 | · · | PB8 (LCD_RS)
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* (LCD_D4) PB9 | · · | PA10 (BTN_EN2)
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* RESET | · · | PA9 (BTN_EN1)
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* (BTN_ENC) PB6 | · · | PB5 (BEEPER)
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* -----
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* EXP1
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*/
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#if HAS_SPI_LCD
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#define BEEPER_PIN PB5
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#define BTN_ENC PB6
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#if ENABLED(CR10_STOCKDISPLAY)
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#define LCD_PINS_RS PB8
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#define BTN_EN1 PA9
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#define BTN_EN2 PA10
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#define LCD_PINS_ENABLE PB7
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#define LCD_PINS_D4 PB9
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#else
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#error "Only CR10_STOCKDISPLAY is currently supported on the BIGTREE_SKR_MINI_E3."
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#endif
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#endif // HAS_SPI_LCD
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//
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// SD Support
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//
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#define HAS_ONBOARD_SD
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#ifndef SDCARD_CONNECTION
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#define SDCARD_CONNECTION ONBOARD
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#endif
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#define ON_BOARD_SPI_DEVICE 1 //SPI1
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#define ONBOARD_SD_CS_PIN PA4 // Chip select for "System" SD card
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pins_BIGTREE_SKR_MINI_E3.h
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