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- /**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2019 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 TARGET_STM32F1
- #error "Oops! Select an STM32F1 board in 'Tools > Board.'"
- #endif
-
- #define BOARD_INFO_NAME "BIGTREE SKR E3 DIP V1.0"
-
- // Release PB3/PB4 (TMC_SW Pins) from JTAG pins
- #define DISABLE_JTAG
-
- // Ignore temp readings during development.
- //#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
-
- #define FLASH_EEPROM_EMULATION
- #define EEPROM_PAGE_SIZE uint16(0x800) // 2KB
- #define EEPROM_START_ADDRESS uint32(0x8000000 + (STM32_FLASH_SIZE) * 1024 - 2 * EEPROM_PAGE_SIZE)
- #undef E2END
- #define E2END (EEPROM_PAGE_SIZE - 1) // 2KB
-
- //
- // Servos
- //
- #define SERVO0_PIN PA1
-
- //
- // Limit Switches
- //
- #define X_STOP_PIN PC1
- #define Y_STOP_PIN PC0
- #define Z_STOP_PIN PC15
-
- //
- // Z Probe must be this pin
- //
- #define Z_MIN_PROBE_PIN PC14
-
- //
- // Filament Runout Sensor
- //
- #ifndef FIL_RUNOUT_PIN
- #define FIL_RUNOUT_PIN PC2
- #endif
-
- //
- // Steppers
- //
- #define X_ENABLE_PIN PC7
- #define X_STEP_PIN PC6
- #define X_DIR_PIN PB15
- #ifndef X_CS_PIN
- #define X_CS_PIN PC10
- #endif
-
- #define Y_ENABLE_PIN PB14
- #define Y_STEP_PIN PB13
- #define Y_DIR_PIN PB12
- #ifndef Y_CS_PIN
- #define Y_CS_PIN PC11
- #endif
-
- #define Z_ENABLE_PIN PB11
- #define Z_STEP_PIN PB10
- #define Z_DIR_PIN PB2
- #ifndef Z_CS_PIN
- #define Z_CS_PIN PC12
- #endif
-
- #define E0_ENABLE_PIN PB1
- #define E0_STEP_PIN PB0
- #define E0_DIR_PIN PC5
- #ifndef E0_CS_PIN
- #define E0_CS_PIN PD2
- #endif
-
- //
- // Software SPI pins for TMC2130 stepper drivers
- //
- #if ENABLED(TMC_USE_SW_SPI)
- #ifndef TMC_SW_MOSI
- #define TMC_SW_MOSI PB5
- #endif
- #ifndef TMC_SW_MISO
- #define TMC_SW_MISO PB4
- #endif
- #ifndef TMC_SW_SCK
- #define TMC_SW_SCK PB3
- #endif
- #endif
-
- #if HAS_TMC220x
- /**
- * TMC2208/TMC2209 stepper drivers
- *
- * Hardware serial communication ports.
- * If undefined software serial is used according to the pins below
- */
- //#define X_HARDWARE_SERIAL Serial1
- //#define Y_HARDWARE_SERIAL Serial1
- //#define Z_HARDWARE_SERIAL Serial1
- //#define E0_HARDWARE_SERIAL Serial1
-
- //
- // Software serial
- //
- #define X_SERIAL_TX_PIN PC10
- #define X_SERIAL_RX_PIN PC10
-
- #define Y_SERIAL_TX_PIN PC11
- #define Y_SERIAL_RX_PIN PC11
-
- #define Z_SERIAL_TX_PIN PC12
- #define Z_SERIAL_RX_PIN PC12
-
- #define E0_SERIAL_TX_PIN PD2
- #define E0_SERIAL_RX_PIN PD2
-
- // Reduce baud rate to improve software serial reliability
- #define TMC_BAUD_RATE 19200
- #endif
-
- //
- // Temperature Sensors
- //
- #define TEMP_0_PIN PA0 // Analog Input
- #define TEMP_BED_PIN PC3 // Analog Input
-
- //
- // Heaters / Fans
- //
- #define HEATER_0_PIN PC8 // EXTRUDER
- #define HEATER_BED_PIN PC9 // BED
- #define FAN_PIN PA8
-
- //
- // USB connect control
- //
- #define USB_CONNECT_PIN PC13
- #define USB_CONNECT_INVERTING false
-
- #define SD_DETECT_PIN PC4
-
- /**
- * _____
- * 5V | · · | GND
- * (LCD_EN) PB7 | · · | PB8 (LCD_RS)
- * (LCD_D4) PB9 | · · | PA10 (BTN_EN2)
- * RESET | · · | PA9 (BTN_EN1)
- * (BTN_ENC) PB6 | · · | PA15 (BEEPER)
- * -----
- * EXP1
- */
- #if HAS_SPI_LCD
- #define BEEPER_PIN PA15
- #define BTN_ENC PB6
-
- #if ENABLED(CR10_STOCKDISPLAY)
-
- #define LCD_PINS_RS PB8
-
- #define BTN_EN1 PA9
- #define BTN_EN2 PA10
-
- #define LCD_PINS_ENABLE PB7
- #define LCD_PINS_D4 PB9
-
- #elif EITHER(MKS_MINI_12864, ENDER2_STOCKDISPLAY)
-
- /** Creality Ender-2 display pinout
- * _____
- * 5V | · · | GND
- * (MOSI) PB7 | · · | PB8 (LCD_RS)
- * (LCD_A0) PB9 | · · | PA10 (BTN_EN2)
- * RESET | · · | PA9 (BTN_EN1)
- * (BTN_ENC) PB6 | · · | PA15 (SCK)
- * -----
- * EXP1
- */
-
- #define BTN_EN1 PA9
- #define BTN_EN2 PA10
- #define DOGLCD_CS PB8
- #define DOGLCD_A0 PB9
- #define DOGLCD_SCK PA15
- #define DOGLCD_MOSI PB7
- #define FORCE_SOFT_SPI
- #define LCD_BACKLIGHT_PIN -1
-
- #else
- #error "Only CR10_STOCKDISPLAY and MKS_MINI_12864 are currently supported on the BIGTREE_SKR_E3_DIP."
- #endif
-
- #endif // HAS_SPI_LCD
-
- //
- // SD Support
- //
- #define HAS_ONBOARD_SD
-
- #ifndef SDCARD_CONNECTION
- #define SDCARD_CONNECTION ONBOARD
- #endif
-
- #define ON_BOARD_SPI_DEVICE 1 //SPI1
- #define ONBOARD_SD_CS_PIN PA4 // Chip select for "System" SD card
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