/** * 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 . * */ #pragma once #include "env_validate.h" // Release PB3/PB4 (E0 STP/DIR) from JTAG pins #define DISABLE_JTAG #define USES_DIAG_JUMPERS // Ignore temp readings during development. //#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000 #if EITHER(NO_EEPROM_SELECTED, FLASH_EEPROM_EMULATION) #define FLASH_EEPROM_EMULATION #define EEPROM_PAGE_SIZE (0x800U) // 2K #define EEPROM_START_ADDRESS (0x8000000UL + (STM32_FLASH_SIZE) * 1024UL - (EEPROM_PAGE_SIZE) * 2UL) #define MARLIN_EEPROM_SIZE EEPROM_PAGE_SIZE // 2K #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 // // 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 PD2 #define E0_STEP_PIN PB3 #define E0_DIR_PIN PB4 // // Temperature Sensors // #define TEMP_0_PIN PA0 // Analog Input "TH0" #define TEMP_BED_PIN PC3 // Analog Input "TB0" // // Heaters / Fans // #define HEATER_0_PIN PC8 // "HE" #define HEATER_BED_PIN PC9 // "HB" #ifdef SKR_MINI_E3_V2 #define FAN_PIN PC6 #else #define FAN_PIN PA8 // "FAN0" #endif // // USB connect control // #ifdef SKR_MINI_E3_V2 #define USB_CONNECT_PIN PA14 #else #define USB_CONNECT_PIN PC13 #endif #define USB_CONNECT_INVERTING false /** * SKR Mini E3 V1.0, V1.2 SKR Mini E3 V2.0 * ------ ------ * (BEEPER) PB5 | 1 2 | PB6 (BTN_ENC) (BEEPER) PB5 | 1 2 | PA15 (BTN_ENC) * (BTN_EN1) PA9 | 3 4 | RESET (BTN_EN1) PA9 | 3 4 | RESET * (BTN_EN2) PA10 5 6 | PB9 (LCD_D4) (BTN_EN2) PA10 5 6 | PB9 (LCD_D4) * (LCD_RS) PB8 | 7 8 | PB7 (LCD_EN) (LCD_RS) PB8 | 7 8 | PB15 (LCD_EN) * GND | 9 10 | 5V GND | 9 10 | 5V * ------ ------ * EXP1 EXP1 */ #ifdef SKR_MINI_E3_V2 #define EXP1_02_PIN PA15 #define EXP1_08_PIN PB15 #else #define EXP1_02_PIN PB6 #define EXP1_08_PIN PB7 #endif #define EXP1_01_PIN PB5 #define EXP1_03_PIN PA9 #define EXP1_04_PIN -1 // RESET #define EXP1_05_PIN PA10 #define EXP1_06_PIN PB9 #define EXP1_07_PIN PB8 #if HAS_DWIN_E3V2 || IS_DWIN_MARLINUI /** * ------ ------ ------ * (ENT) | 1 2 | (BEEP) |10 9 | |10 9 | * (RX) | 3 4 | (RX) | 8 7 | (TX) RX | 8 7 | TX * (TX) 5 6 | (ENT) 6 5 | (BEEP) ENT | 6 5 | BEEP * (B) | 7 8 | (A) (B) | 4 3 | (A) B | 4 3 | A * GND | 9 10 | (VCC) GND | 2 1 | VCC GND | 2 1 | VCC * ------ ------ ------ * EXP1 DWIN DWIN (plug) * * All pins are labeled as printed on DWIN PCB. Connect TX-TX, A-A and so on. */ #ifndef NO_CONTROLLER_CUSTOM_WIRING_WARNING #error "CAUTION! Ender-3 V2 display requires a custom cable. See 'pins_BTT_SKR_MINI_E3_common.h' for details. (Define NO_CONTROLLER_CUSTOM_WIRING_WARNING to suppress this warning.)" #endif #define BEEPER_PIN EXP1_02_PIN #define BTN_EN1 EXP1_08_PIN #define BTN_EN2 EXP1_07_PIN #define BTN_ENC EXP1_01_PIN #elif HAS_WIRED_LCD #if ENABLED(CR10_STOCKDISPLAY) #define BEEPER_PIN EXP1_01_PIN #define BTN_ENC EXP1_02_PIN #define BTN_EN1 EXP1_03_PIN #define BTN_EN2 EXP1_05_PIN #define LCD_PINS_RS EXP1_07_PIN #define LCD_PINS_ENABLE EXP1_08_PIN #define LCD_PINS_D4 EXP1_06_PIN #elif ENABLED(ZONESTAR_LCD) // ANET A8 LCD Controller - Must convert to 3.3V - CONNECTING TO 5V WILL DAMAGE THE BOARD! #ifndef NO_CONTROLLER_CUSTOM_WIRING_WARNING #error "CAUTION! ZONESTAR_LCD requires wiring modifications. See 'pins_BTT_SKR_MINI_E3_common.h' for details. (Define NO_CONTROLLER_CUSTOM_WIRING_WARNING to suppress this warning.)" #endif #define LCD_PINS_RS EXP1_06_PIN #define LCD_PINS_ENABLE EXP1_02_PIN #define LCD_PINS_D4 EXP1_07_PIN #define LCD_PINS_D5 EXP1_05_PIN #define LCD_PINS_D6 EXP1_03_PIN #define LCD_PINS_D7 EXP1_01_PIN #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_02_PIN #define BTN_EN1 EXP1_03_PIN #define BTN_EN2 EXP1_05_PIN #define DOGLCD_CS EXP1_07_PIN #define DOGLCD_A0 EXP1_06_PIN #define DOGLCD_SCK EXP1_01_PIN #define DOGLCD_MOSI EXP1_08_PIN #define FORCE_SOFT_SPI #define LCD_BACKLIGHT_PIN -1 #elif IS_TFTGLCD_PANEL #if ENABLED(TFTGLCD_PANEL_SPI) #ifndef NO_CONTROLLER_CUSTOM_WIRING_WARNING #error "CAUTION! TFTGLCD_PANEL_SPI requires wiring modifications. See 'pins_BTT_SKR_MINI_E3_common.h' for details. (Define NO_CONTROLLER_CUSTOM_WIRING_WARNING to suppress this warning.)" #endif /** * TFTGLCD_PANEL_SPI display pinout * * Board Display * ------ ------ * (SD_DET) PB5 | 1 2 | PB6 (BEEPER) 5V |10 9 | GND * (MOD_RESET) PA9 | 3 4 | RESET -- | 8 7 | (SD_DET) * (SD_CS) PA10 5 6 | PB9 (MOSI) | 6 5 | -- * (LCD_CS) PB8 | 7 8 | PB7 (SD_CS) | 4 3 | (LCD_CS) * GND | 9 10 | 5V (SCK) | 2 1 | (MISO) * ------ ------ * EXP1 EXP1 * * Needs custom cable: * * Board Adapter Display * ---------------------------------- * EXP1-10 ---------- EXP1-10 5V * EXP1-9 ----------- EXP1-9 GND * SPI1-4 ----------- EXP1-6 MOSI * EXP1-7 ----------- n/c * SPI1-3 ----------- EXP1-2 SCK * EXP1-5 ----------- EXP1-4 SD_CS * EXP1-4 ----------- n/c * EXP1-3 ----------- EXP1-3 LCD_CS * SPI1-1 ----------- EXP1-1 MISO * EXP1-1 ----------- EXP1-7 SD_DET */ #define TFTGLCD_CS EXP1_03_PIN #endif #elif ENABLED(FYSETC_MINI_12864_2_1) #ifndef NO_CONTROLLER_CUSTOM_WIRING_WARNING #error "CAUTION! FYSETC_MINI_12864_2_1 / MKS_MINI_12864_V3 / BTT_MINI_12864_V1 requires wiring modifications. See 'pins_BTT_SKR_MINI_E3_common.h' for details. (Define NO_CONTROLLER_CUSTOM_WIRING_WARNING to suppress this warning.)" #endif /** * FYSETC_MINI_12864_2_1 / MKS_MINI_12864_V3 / BTT_MINI_12864_V1 display pinout * * Board Display * ------ ------ * PB5 | 1 2 | PA15 (BEEP) |10 9 | BTN_ENC * PA9 | 3 4 | RESET LCD_CS | 8 7 | LCD A0 * PA10 | 5 6 | PB9 LCD_RST | 6 5 | RED * PB8 | 7 8 | PB15 (GREEN) | 4 3 | (BLUE) * GND | 9 10 | 5V GND | 2 1 | 5V * ------ ------ * EXP1 EXP1 * * --- ------ * RST | 1 | (MISO) |10 9 | SCK * (RX2) PA2 | 2 | BTN_EN1 | 8 7 | (SS) * (TX2) PA3 | 3 | BTN_EN2 | 6 5 | MOSI * GND | 4 | (CD) | 4 3 | (RST) * 5V | 5 | (GND) | 2 1 | (KILL) * --- ------ * TFT EXP2 * * Needs custom cable: * * Board Display * * EXP1-10 ---------- EXP1-1 5V * EXP1-9 ----------- EXP1-2 GND * EXP1-8 ----------- EXP2-6 EN2 * EXP1-7 ----------- EXP1-5 RED * EXP1-6 ----------- EXP2-8 EN1 * EXP1-5 ----------- EXP1-6 LCD_RST * EXP1-4 ----------- n/c * EXP1-3 ----------- EXP1-8 LCD_CS * EXP1-2 ----------- EXP1-9 ENC * EXP1-1 ----------- EXP1-7 LCD_A0 * * TFT-2 ----------- EXP2-9 SCK * TFT-3 ----------- EXP2-5 MOSI * * for backlight configuration see steps 2 (V2.1) and 3 in https://wiki.fysetc.com/Mini12864_Panel/ */ #define LCD_PINS_RS EXP1_03_PIN // CS #define LCD_PINS_ENABLE PA3 // MOSI #define LCD_BACKLIGHT_PIN -1 #define NEOPIXEL_PIN EXP1_07_PIN #define LCD_CONTRAST 255 #define LCD_RESET_PIN EXP1_05_PIN #define DOGLCD_CS EXP1_03_PIN #define DOGLCD_A0 EXP1_01_PIN #define DOGLCD_SCK PA2 #define DOGLCD_MOSI PA3 #define BTN_ENC PA15 #define BTN_EN1 EXP1_06_PIN #define BTN_EN2 PB15 #define FORCE_SOFT_SPI #else #error "Only CR10_STOCKDISPLAY, ZONESTAR_LCD, ENDER2_STOCKDISPLAY, MKS_MINI_12864, TFTGLCD_PANEL_(SPI|I2C), FYSETC_MINI_12864_2_1, MKS_MINI_12864_V3, and BTT_MINI_12864_V1 are currently supported on the BIGTREE_SKR_MINI_E3." #endif #endif // HAS_WIRED_LCD #if BOTH(TOUCH_UI_FTDI_EVE, LCD_FYSETC_TFT81050) #ifndef NO_CONTROLLER_CUSTOM_WIRING_WARNING #error "CAUTION! LCD_FYSETC_TFT81050 requires wiring modifications. See 'pins_BTT_SKR_MINI_E3_common.h' for details. (Define NO_CONTROLLER_CUSTOM_WIRING_WARNING to suppress this warning.)" #endif /** * FYSETC TFT TFT81050 display pinout * * Board Display * ------ ------ * (SD_DET) PB5 | 1 2 | PB6 (BEEPER) 5V |10 9 | GND * (MOD_RESET) PA9 | 3 4 | RESET (RESET) | 8 7 | (SD_DET) * (SD_CS) PA10 5 6 | PB9 (MOSI) | 6 5 | (LCD_CS) * (LCD_CS) PB8 | 7 8 | PB7 (SD_CS) | 4 3 | (MOD_RESET) * GND | 9 10 | 5V (SCK) | 2 1 | (MISO) * ------ ------ * EXP1 EXP1 * * Needs custom cable: * * Board Adapter Display * ---------------------------------- * EXP1-10 ---------- EXP1-10 5V * EXP1-9 ----------- EXP1-9 GND * SPI1-4 ----------- EXP1-6 MOSI * EXP1-7 ----------- EXP1-5 LCD_CS * SPI1-3 ----------- EXP1-2 SCK * EXP1-5 ----------- EXP1-4 SD_CS * EXP1-4 ----------- EXP1-8 RESET * EXP1-3 ----------- EXP1-3 MOD_RST * SPI1-1 ----------- EXP1-1 MISO * EXP1-1 ----------- EXP1-7 SD_DET */ #define CLCD_SPI_BUS 1 // SPI1 connector #define BEEPER_PIN EXP1_02_PIN #define CLCD_MOD_RESET EXP1_03_PIN #define CLCD_SPI_CS EXP1_07_PIN #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 PC4 #elif SD_CONNECTION_IS(LCD) && (BOTH(TOUCH_UI_FTDI_EVE, LCD_FYSETC_TFT81050) || IS_TFTGLCD_PANEL) #define SD_DETECT_PIN EXP1_01_PIN #define SD_SS_PIN EXP1_05_PIN #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_SCK_PIN PA5 #define SD_MISO_PIN PA6 #define SD_MOSI_PIN PA7