/** * Marlin 3D Printer Firmware * Copyright (c) 2021 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 . * */ #pragma once #if NOT_TARGET(STM32H7) #error "Oops! Select an STM32H7 board in 'Tools > Board.'" #endif #define BOARD_INFO_NAME "BTT SKR SE BX" #define DEFAULT_MACHINE_NAME "BIQU-BX" // Onboard I2C EEPROM #define I2C_EEPROM #define MARLIN_EEPROM_SIZE 0x1000 // 4K (24C32) #define HAS_OTG_USB_HOST_SUPPORT // USB Flash Drive support // // Limit Switches // #define X_MIN_PIN PB11 #define X_MAX_PIN PD13 #define Y_MIN_PIN PB12 #define Y_MAX_PIN PB13 #define Z_MIN_PIN PD12 #define Z_MAX_PIN PD11 #define FIL_RUNOUT_PIN PD13 #define FIL_RUNOUT2_PIN PB13 #define LED_PIN PA13 #define BEEPER_PIN PA14 #define POWER_MONITOR_PIN PB0 #define RPI_POWER_PIN PE5 #define SAFE_POWER_PIN PI11 #define SERVO0_PIN PA2 // // Z Probe (when not Z_MIN_PIN) // #ifndef Z_MIN_PROBE_PIN #define Z_MIN_PROBE_PIN PH2 // Probe #endif // // Steppers // #define X_STEP_PIN PG13 #define X_DIR_PIN PG12 #define X_ENABLE_PIN PG14 #define X_CS_PIN PG10 #define Y_STEP_PIN PB3 #define Y_DIR_PIN PD3 #define Y_ENABLE_PIN PB4 #define Y_CS_PIN PD4 #define Z_STEP_PIN PD7 #define Z_DIR_PIN PD6 #define Z_ENABLE_PIN PG9 #define Z_CS_PIN PD5 #define E0_STEP_PIN PC14 #define E0_DIR_PIN PC13 #define E0_ENABLE_PIN PC15 #define E0_CS_PIN PI8 #define E1_STEP_PIN PA8 #define E1_DIR_PIN PC9 #define E1_ENABLE_PIN PD2 #define E1_CS_PIN PC8 // // Software SPI pins for TMC2130 stepper drivers // #if ENABLED(TMC_USE_SW_SPI) #ifndef TMC_SW_MOSI #define TMC_SW_MOSI PC6 #endif #ifndef TMC_SW_MISO #define TMC_SW_MISO PG3 #endif #ifndef TMC_SW_SCK #define TMC_SW_SCK PC7 #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 Serial //#define X2_HARDWARE_SERIAL Serial1 //#define Y_HARDWARE_SERIAL Serial1 //#define Y2_HARDWARE_SERIAL Serial1 //#define Z_HARDWARE_SERIAL Serial1 //#define Z2_HARDWARE_SERIAL Serial1 //#define E0_HARDWARE_SERIAL Serial1 //#define E1_HARDWARE_SERIAL Serial1 //#define E2_HARDWARE_SERIAL Serial1 //#define E3_HARDWARE_SERIAL Serial1 //#define E4_HARDWARE_SERIAL Serial1 //#define E5_HARDWARE_SERIAL Serial1 //#define E6_HARDWARE_SERIAL Serial1 //#define E7_HARDWARE_SERIAL Serial1 #define X_SERIAL_TX_PIN PG10 #define X_SERIAL_RX_PIN X_SERIAL_TX_PIN #define Y_SERIAL_TX_PIN PD4 #define Y_SERIAL_RX_PIN Y_SERIAL_TX_PIN #define Z_SERIAL_TX_PIN PD5 #define Z_SERIAL_RX_PIN Z_SERIAL_TX_PIN #define E0_SERIAL_TX_PIN PI8 #define E0_SERIAL_RX_PIN E0_SERIAL_TX_PIN #define E1_SERIAL_TX_PIN PC8 #define E1_SERIAL_RX_PIN E1_SERIAL_TX_PIN // Reduce baud rate to improve software serial reliability #define TMC_BAUD_RATE 19200 #endif // // Temperature Sensors // #define TEMP_0_PIN PH4 // TH0 #define TEMP_1_PIN PA3 // TH1 #define TEMP_BED_PIN PH5 // TB // // Heaters / Fans // #define HEATER_0_PIN PC4 #define HEATER_1_PIN PC5 #define HEATER_BED_PIN PA4 #define FAN_PIN PA5 // "FAN0" #define FAN1_PIN PA6 // "FAN1" #define FAN2_PIN PA7 // "FAN2" #define NEOPIXEL_PIN PH3 #define NEOPIXEL2_PIN PB1 #if HAS_LTDC_TFT // LTDC_LCD Timing #define LTDC_LCD_CLK 50 // LTDC clock frequency = 50Mhz #define LTDC_LCD_HSYNC 30 // Horizontal synchronization #define LTDC_LCD_HBP 114 // Horizontal back porch #define LTDC_LCD_HFP 16 // Horizontal front porch #define LTDC_LCD_VSYNC 3 // Vertical synchronization #define LTDC_LCD_VBP 32 // Vertical back porch #define LTDC_LCD_VFP 10 // Vertical front porch #define TFT_BACKLIGHT_PIN PB5 #define LCD_DE_PIN PF10 #define LCD_CLK_PIN PG7 #define LCD_VSYNC_PIN PI9 #define LCD_HSYNC_PIN PI10 #define LCD_R7_PIN PG6 // R5 #define LCD_R6_PIN PH12 #define LCD_R5_PIN PH11 #define LCD_R4_PIN PH10 #define LCD_R3_PIN PH9 #define LCD_G7_PIN PI2 // G6 #define LCD_G6_PIN PI1 #define LCD_G5_PIN PI0 #define LCD_G4_PIN PH15 #define LCD_G3_PIN PH14 #define LCD_G2_PIN PH13 #define LCD_B7_PIN PI7 // B5 #define LCD_B6_PIN PI6 #define LCD_B5_PIN PI5 #define LCD_B4_PIN PI4 #define LCD_B3_PIN PG11 // GT911 Capacitive Touch Sensor #if ENABLED(TFT_TOUCH_DEVICE_GT911) #define GT911_RST_PIN PE4 #define GT911_INT_PIN PE3 #define GT911_SW_I2C_SCL_PIN PE2 #define GT911_SW_I2C_SDA_PIN PE6 #endif #endif #if IS_NEWPANEL #define BTN_EN1 PH6 #define BTN_EN2 PH7 #define BTN_ENC PH8 #endif // // SD card // #ifndef SDCARD_CONNECTION #define SDCARD_CONNECTION ONBOARD #endif #define SOFTWARE_SPI #define SDSS PA15 #define SD_SS_PIN SDSS #define SD_SCK_PIN PC10 #define SD_MISO_PIN PC11 #define SD_MOSI_PIN PC12 #define SD_DETECT_PIN PI3