/** * 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 //#define BOARD_CUSTOM_BUILD_FLAGS -DTONE_CHANNEL=4 -DTONE_TIMER=4 -DTIMER_TONE=4 #ifndef BOARD_INFO_NAME #define BOARD_INFO_NAME "BTT SKR Mini E3 V3.0" #endif #define USES_DIAG_JUMPERS // Ignore temp readings during development. //#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000 #define LED_PIN PD8 // Onboard I2C EEPROM #if EITHER(NO_EEPROM_SELECTED, I2C_EEPROM) #undef NO_EEPROM_SELECTED #define I2C_EEPROM #define SOFT_I2C_EEPROM // Force the use of Software I2C #define I2C_SCL_PIN PB6 #define I2C_SDA_PIN PB7 #define MARLIN_EEPROM_SIZE 0x1000 // 4KB #endif // // Servos // #define SERVO0_PIN PA1 // SERVOS // // Limit Switches // #define X_STOP_PIN PC0 // X-STOP #define Y_STOP_PIN PC1 // Y-STOP #define Z_STOP_PIN PC2 // Z-STOP // // Z Probe must be this pin // #define Z_MIN_PROBE_PIN PC14 // PROBE // // Filament Runout Sensor // #ifndef FIL_RUNOUT_PIN #define FIL_RUNOUT_PIN PC15 // E0-STOP #endif // // Power-loss Detection // #ifndef POWER_LOSS_PIN #define POWER_LOSS_PIN PC12 // Power Loss Detection: PWR-DET #endif #ifndef NEOPIXEL_PIN #define NEOPIXEL_PIN PA8 // LED driving pin #endif #ifndef PS_ON_PIN #define PS_ON_PIN PC13 // Power Supply Control #endif // // Steppers // #define X_ENABLE_PIN PB14 #define X_STEP_PIN PB13 #define X_DIR_PIN PB12 #define Y_ENABLE_PIN PB11 #define Y_STEP_PIN PB10 #define Y_DIR_PIN PB2 #define Z_ENABLE_PIN PB1 #define Z_STEP_PIN PB0 #define Z_DIR_PIN PC5 #define E0_ENABLE_PIN PD1 #define E0_STEP_PIN PB3 #define E0_DIR_PIN PB4 #if HAS_TMC_UART /** * TMC220x stepper drivers * Hardware serial communication ports */ #define X_HARDWARE_SERIAL MSerial4 #define Y_HARDWARE_SERIAL MSerial4 #define Z_HARDWARE_SERIAL MSerial4 #define E0_HARDWARE_SERIAL MSerial4 // Default TMC slave addresses #ifndef X_SLAVE_ADDRESS #define X_SLAVE_ADDRESS 0 #endif #ifndef Y_SLAVE_ADDRESS #define Y_SLAVE_ADDRESS 2 #endif #ifndef Z_SLAVE_ADDRESS #define Z_SLAVE_ADDRESS 1 #endif #ifndef E0_SLAVE_ADDRESS #define E0_SLAVE_ADDRESS 3 #endif #endif // // Temperature Sensors // #define TEMP_0_PIN PA0 // Analog Input "TH0" #define TEMP_BED_PIN PC4 // Analog Input "TB0" // // Heaters / Fans // #define HEATER_0_PIN PC8 // "HE" #define HEATER_BED_PIN PC9 // "HB" #define FAN_PIN PC6 // "FAN0" #define FAN1_PIN PC7 // "FAN1" #define FAN2_PIN PB15 // "FAN2" /** * SKR Mini E3 V3.0 * ------ * 5V | 1 2 | GND * (LCD_EN) PD6 | 3 4 | PB8 (LCD_RS) * (LCD_D4) PB9 | 5 6 PA10 (BTN_EN2) * RESET | 7 8 | PA9 (BTN_EN1) * (BTN_ENC) PA15 | 9 10 | PB5 (BEEPER) * ------ * EXP1 */ #define EXP1_09_PIN PA15 #define EXP1_03_PIN PD6 #if EITHER(DWIN_CREALITY_LCD, IS_DWIN_MARLINUI) /** * ------ ------ ------ * VCC | 1 2 | GND VCC | 1 2 | GND GND | 2 1 | VCC * A | 3 4 | B A | 3 4 | B B | 4 3 | A * | 5 6 TX BEEP | 5 6 ENT ENT | 6 5 | BEEP * | 7 8 | RX TX | 7 8 | RX RX | 8 7 | TX * BEEP | 9 10 | ENT | 9 10 | | 10 9 | * ------ ------ ------ * EXP1 DWIN DWIN (plug) * * All pins are labeled as printed on DWIN PCB. Connect TX-TX, A-A and so on. */ #error "DWIN_CREALITY_LCD requires a custom cable, see diagram above this line. Comment out this line to continue." #define BEEPER_PIN EXP1_09_PIN #define BTN_EN1 EXP1_03_PIN #define BTN_EN2 PB8 #define BTN_ENC PB5 #elif HAS_WIRED_LCD #if ENABLED(CR10_STOCKDISPLAY) #define BEEPER_PIN PB5 #define BTN_ENC EXP1_09_PIN #define BTN_EN1 PA9 #define BTN_EN2 PA10 #define LCD_PINS_RS PB8 #define LCD_PINS_ENABLE EXP1_03_PIN #define LCD_PINS_D4 PB9 #elif ENABLED(ZONESTAR_LCD) // ANET A8 LCD Controller - Must convert to 3.3V - CONNECTING TO 5V WILL DAMAGE THE BOARD! #error "CAUTION! ZONESTAR_LCD requires wiring modifications. See 'pins_BTT_SKR_MINI_E3_common.h' for details. Comment out this line to continue." #define LCD_PINS_RS PB9 #define LCD_PINS_ENABLE EXP1_09_PIN #define LCD_PINS_D4 PB8 #define LCD_PINS_D5 PA10 #define LCD_PINS_D6 PA9 #define LCD_PINS_D7 PB5 #define ADC_KEYPAD_PIN PA1 // Repurpose servo pin for ADC - CONNECTING TO 5V WILL DAMAGE THE BOARD! #elif EITHER(MKS_MINI_12864, ENDER2_STOCKDISPLAY) #define BTN_ENC EXP1_09_PIN #define BTN_EN1 PA9 #define BTN_EN2 PA10 #define DOGLCD_CS PB8 #define DOGLCD_A0 PB9 #define DOGLCD_SCK PB5 #define DOGLCD_MOSI EXP1_03_PIN #define FORCE_SOFT_SPI #define LCD_BACKLIGHT_PIN -1 #elif IS_TFTGLCD_PANEL #if ENABLED(TFTGLCD_PANEL_SPI) #error "CAUTION! TFTGLCD_PANEL_SPI requires wiring modifications. See 'pins_BTT_SKR_MINI_E3_common.h' for details. Comment out this line to continue." /** * TFTGLCD_PANEL_SPI display pinout * * Board Display * ------ ------ * 5V | 1 2 | GND (SPI1-MISO) MISO | 1 2 | SCK (SPI1-SCK) * (FREE) PB7 | 3 4 | PB8 (LCD_CS) (PA9) LCD_CS | 3 4 | SD_CS (PA10) * (FREE) PB9 | 5 6 | PA10 (SD_CS) (FREE) | 5 6 | MOSI (SPI1-MOSI) * RESET | 7 8 | PA9 (MOD_RESET) (PB5) SD_DET | 7 8 | (FREE) * (BEEPER) PB6 | 9 10 | PB5 (SD_DET) GND | 9 10 | 5V * ------ ------ * EXP1 EXP1 * * Needs custom cable: * * Board Display * * EXP1-1 ----------- EXP1-10 * EXP1-2 ----------- EXP1-9 * SPI1-4 ----------- EXP1-6 * EXP1-4 ----------- FREE * SPI1-3 ----------- EXP1-2 * EXP1-6 ----------- EXP1-4 * EXP1-7 ----------- FREE * EXP1-8 ----------- EXP1-3 * SPI1-1 ----------- EXP1-1 * EXP1-10 ----------- EXP1-7 */ #define TFTGLCD_CS PA9 #endif #else #error "Only CR10_STOCKDISPLAY, ZONESTAR_LCD, ENDER2_STOCKDISPLAY, MKS_MINI_12864, and TFTGLCD_PANEL_(SPI|I2C) are currently supported on the BIGTREE_SKR_MINI_E3." #endif #endif // HAS_WIRED_LCD #if BOTH(TOUCH_UI_FTDI_EVE, LCD_FYSETC_TFT81050) #error "CAUTION! LCD_FYSETC_TFT81050 requires wiring modifications. See 'pins_BTT_SKR_MINI_E3_common.h' for details. Comment out this line to continue." /** * FYSETC TFT TFT81050 display pinout * * Board Display * ------ ------ * 5V | 1 2 | GND (SPI1-MISO) MISO | 1 2 | SCK (SPI1-SCK) * (FREE) PB7 | 3 4 | PB8 (LCD_CS) (PA9) MOD_RESET | 3 4 | SD_CS (PA10) * (FREE) PB9 | 5 6 | PA10 (SD_CS) (PB8) LCD_CS | 5 6 | MOSI (SPI1-MOSI) * RESET | 7 8 | PA9 (MOD_RESET) (PB5) SD_DET | 7 8 | RESET * (BEEPER) PB6 | 9 10 | PB5 (SD_DET) GND | 9 10 | 5V * ------ ------ * EXP1 EXP1 * * Needs custom cable: * * Board Adapter Display * _________ * EXP1-1 ----------- EXP1-10 * EXP1-2 ----------- EXP1-9 * SPI1-4 ----------- EXP1-6 * EXP1-4 ----------- EXP1-5 * SPI1-3 ----------- EXP1-2 * EXP1-6 ----------- EXP1-4 * EXP1-7 ----------- EXP1-8 * EXP1-8 ----------- EXP1-3 * SPI1-1 ----------- EXP1-1 * EXP1-10 ----------- EXP1-7 */ #define CLCD_SPI_BUS 1 // SPI1 connector #define BEEPER_PIN EXP1_09_PIN #define CLCD_MOD_RESET PA9 #define CLCD_SPI_CS PB8 #endif // TOUCH_UI_FTDI_EVE && LCD_FYSETC_TFT81050 // // SD Support // #ifndef SDCARD_CONNECTION #define SDCARD_CONNECTION ONBOARD #endif #if SD_CONNECTION_IS(ONBOARD) #define SD_DETECT_PIN PC3 #elif SD_CONNECTION_IS(LCD) && (BOTH(TOUCH_UI_FTDI_EVE, LCD_FYSETC_TFT81050) || IS_TFTGLCD_PANEL) #define SD_DETECT_PIN PB5 #define SD_SS_PIN PA10 #elif SD_CONNECTION_IS(CUSTOM_CABLE) #error "SD CUSTOM_CABLE is not compatible with SKR Mini E3." #endif #define ONBOARD_SPI_DEVICE 1 // SPI1 -> used only by HAL/STM32F1... #define ONBOARD_SD_CS_PIN PA4 // Chip select for "System" SD card #define ENABLE_SPI1 #define SDSS ONBOARD_SD_CS_PIN #define SD_SS_PIN ONBOARD_SD_CS_PIN #define SD_SCK_PIN PA5 #define SD_MISO_PIN PA6 #define SD_MOSI_PIN PA7