/** * 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 #include "env_validate.h" #define BOARD_INFO_NAME "BTT SKR V2.0" // Use one of these or SDCard-based Emulation will be used #if NO_EEPROM_SELECTED //#define SRAM_EEPROM_EMULATION // Use BackSRAM-based EEPROM emulation #define FLASH_EEPROM_EMULATION // Use Flash-based EEPROM emulation #endif #if ENABLED(FLASH_EEPROM_EMULATION) // Decrease delays and flash wear by spreading writes across the // 128 kB sector allocated for EEPROM emulation. #define FLASH_EEPROM_LEVELING #endif // USB Flash Drive support #define HAS_OTG_USB_HOST_SUPPORT // Avoid conflict with TIMER_TONE #define STEP_TIMER 10 // // Servos // #define SERVO0_PIN PE5 // // Trinamic Stallguard pins // #define X_DIAG_PIN PC1 // X-STOP #define Y_DIAG_PIN PC3 // Y-STOP #define Z_DIAG_PIN PC0 // Z-STOP #define E0_DIAG_PIN PC2 // E0DET #define E1_DIAG_PIN PA0 // E1DET // // Limit Switches // #ifdef X_STALL_SENSITIVITY #define X_STOP_PIN X_DIAG_PIN #if X_HOME_DIR < 0 #define X_MAX_PIN PC2 // E0DET #else #define X_MIN_PIN PC2 // E0DET #endif #elif ENABLED(X_DUAL_ENDSTOPS) #ifndef X_MIN_PIN #define X_MIN_PIN PC1 // X-STOP #endif #ifndef X_MAX_PIN #define X_MAX_PIN PC2 // E0DET #endif #else #define X_STOP_PIN PC1 // X-STOP #endif #ifdef Y_STALL_SENSITIVITY #define Y_STOP_PIN Y_DIAG_PIN #if Y_HOME_DIR < 0 #define Y_MAX_PIN PA0 // E1DET #else #define Y_MIN_PIN PA0 // E1DET #endif #elif ENABLED(Y_DUAL_ENDSTOPS) #ifndef Y_MIN_PIN #define Y_MIN_PIN PC3 // Y-STOP #endif #ifndef Y_MAX_PIN #define Y_MAX_PIN PA0 // E1DET #endif #else #define Y_STOP_PIN PC3 // Y-STOP #endif #ifdef Z_STALL_SENSITIVITY #define Z_STOP_PIN Z_DIAG_PIN #if Z_HOME_DIR < 0 #define Z_MAX_PIN PC15 // PWRDET #else #define Z_MIN_PIN PC15 // PWRDET #endif #elif ENABLED(Z_MULTI_ENDSTOPS) #ifndef Z_MIN_PIN #define Z_MIN_PIN PC0 // Z-STOP #endif #ifndef Z_MAX_PIN #define Z_MAX_PIN PC15 // PWRDET #endif #else #ifndef Z_STOP_PIN #define Z_STOP_PIN PC0 // Z-STOP #endif #endif // // Z Probe (when not Z_MIN_PIN) // #ifndef Z_MIN_PROBE_PIN #define Z_MIN_PROBE_PIN PE4 #endif // // Filament Runout Sensor // #define FIL_RUNOUT_PIN PC2 // E0DET #define FIL_RUNOUT2_PIN PA0 // E1DET // // Power Supply Control // #ifndef PS_ON_PIN #define PS_ON_PIN PE8 // PS-ON #endif // // Power Loss Detection // #ifndef POWER_LOSS_PIN #define POWER_LOSS_PIN PC15 // PWRDET #endif // // NeoPixel LED // #ifndef NEOPIXEL_PIN #define NEOPIXEL_PIN PE6 #endif // // Control pin of driver/heater/fan power supply // #define SAFE_POWER_PIN PC13 // // Steppers // #define X_STEP_PIN PE2 #define X_DIR_PIN PE1 #define X_ENABLE_PIN PE3 #ifndef X_CS_PIN #define X_CS_PIN PE0 #endif #define Y_STEP_PIN PD5 #define Y_DIR_PIN PD4 #define Y_ENABLE_PIN PD6 #ifndef Y_CS_PIN #define Y_CS_PIN PD3 #endif #define Z_STEP_PIN PA15 #define Z_DIR_PIN PA8 #define Z_ENABLE_PIN PD1 #ifndef Z_CS_PIN #define Z_CS_PIN PD0 #endif #define E0_STEP_PIN PD15 #define E0_DIR_PIN PD14 #define E0_ENABLE_PIN PC7 #ifndef E0_CS_PIN #define E0_CS_PIN PC6 #endif #define E1_STEP_PIN PD11 #define E1_DIR_PIN PD10 #define E1_ENABLE_PIN PD13 #ifndef E1_CS_PIN #define E1_CS_PIN PD12 #endif // // Temperature Sensors // #define TEMP_BED_PIN PA1 // TB #define TEMP_0_PIN PA2 // TH0 #define TEMP_1_PIN PA3 // TH1 // // Heaters / Fans // #define HEATER_0_PIN PB3 // Heater0 #define HEATER_1_PIN PB4 // Heater1 #define HEATER_BED_PIN PD7 // Hotbed #define FAN_PIN PB7 // Fan0 #define FAN1_PIN PB6 // Fan1 #define FAN2_PIN PB5 // Fan2 // // Software SPI pins for TMC2130 stepper drivers // #if ENABLED(TMC_USE_SW_SPI) #ifndef TMC_SW_MOSI #define TMC_SW_MOSI PE14 #endif #ifndef TMC_SW_MISO #define TMC_SW_MISO PA14 #endif #ifndef TMC_SW_SCK #define TMC_SW_SCK PE15 #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 Serial1 //#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 // // Software serial // #define X_SERIAL_TX_PIN PE0 #define X_SERIAL_RX_PIN PE0 #define Y_SERIAL_TX_PIN PD3 #define Y_SERIAL_RX_PIN PD3 #define Z_SERIAL_TX_PIN PD0 #define Z_SERIAL_RX_PIN PD0 #define E0_SERIAL_TX_PIN PC6 #define E0_SERIAL_RX_PIN PC6 #define E1_SERIAL_TX_PIN PD12 #define E1_SERIAL_RX_PIN PD12 // Reduce baud rate to improve software serial reliability #define TMC_BAUD_RATE 19200 #endif // // SD Connection // #ifndef SDCARD_CONNECTION #define SDCARD_CONNECTION LCD #endif /** * ----- ----- * NC | 1 2 | GND 5V | 1 2 | GND * RESET | 3 4 | PC4 (SD_DETECT) (LCD_D7) PE13 | 3 4 | PE12 (LCD_D6) * (MOSI) PA7 | 5 6 PB2 (BTN_EN2) (LCD_D5) PE11 | 5 6 PE10 (LCD_D4) * (SD_SS) PA4 | 7 8 | PE7 (BTN_EN1) (LCD_RS) PE9 | 7 8 | PB1 (LCD_EN) * (SCK) PA5 | 9 10| PA6 (MISO) (BTN_ENC) PB0 | 9 10| PC5 (BEEPER) * ----- ----- * EXP2 EXP1 */ #define EXP1_03_PIN PE13 #define EXP1_04_PIN PE12 #define EXP1_05_PIN PE11 #define EXP1_06_PIN PE10 #define EXP1_07_PIN PE9 #define EXP1_08_PIN PB1 #define EXP1_09_PIN PB0 #define EXP1_10_PIN PC5 #define EXP2_03_PIN -1 #define EXP2_04_PIN PC4 #define EXP2_05_PIN PA7 #define EXP2_06_PIN PB2 #define EXP2_07_PIN PA4 #define EXP2_08_PIN PE7 #define EXP2_09_PIN PA5 #define EXP2_10_PIN PA6 // // Onboard SD card // Must use soft SPI because Marlin's default hardware SPI is tied to LCD's EXP2 // #if SD_CONNECTION_IS(ONBOARD) #define SDIO_SUPPORT // Use SDIO for onboard SD #define SDIO_D0_PIN PC8 #define SDIO_D1_PIN PC9 #define SDIO_D2_PIN PC10 #define SDIO_D3_PIN PC11 #define SDIO_CK_PIN PC12 #define SDIO_CMD_PIN PD2 #elif SD_CONNECTION_IS(LCD) #define CUSTOM_SPI_PINS #define SDSS PA4 #define SD_SS_PIN SDSS #define SD_SCK_PIN PA5 #define SD_MISO_PIN PA6 #define SD_MOSI_PIN PA7 #define SD_DETECT_PIN PC4 #elif SD_CONNECTION_IS(CUSTOM_CABLE) #error "CUSTOM_CABLE is not a supported SDCARD_CONNECTION for this board" #endif #if ENABLED(BTT_MOTOR_EXPANSION) /** * _____ _____ * NC | · · | GND NC | · · | GND * NC | · · | PF12 (M1EN) (M2EN) PG7 | · · | PG6 (M3EN) * (M1STP) PB15 | · · PF11 (M1DIR) (M1RX) PG3 | · · PG2 (M1DIAG) * (M2DIR) PB12 | · · | PG10 (M2STP) (M2RX) PD10 | · · | PD11 (M2DIAG) * (M3DIR) PB13 | · · | PB14 (M3STP) (M3RX) PA8 | · · | PG4 (M3DIAG) * ----- ----- * EXP2 EXP1 */ // M1 on Driver Expansion Module #define E3_STEP_PIN EXP2_05_PIN #define E3_DIR_PIN EXP2_06_PIN #define E3_ENABLE_PIN EXP2_04_PIN #define E3_DIAG_PIN EXP1_06_PIN #define E3_CS_PIN EXP1_05_PIN #if HAS_TMC_UART #define E3_SERIAL_TX_PIN EXP1_05_PIN #define E3_SERIAL_RX_PIN EXP1_05_PIN #endif // M2 on Driver Expansion Module #define E4_STEP_PIN EXP2_08_PIN #define E4_DIR_PIN EXP2_07_PIN #define E4_ENABLE_PIN EXP1_03_PIN #define E4_DIAG_PIN EXP1_08_PIN #define E4_CS_PIN EXP1_07_PIN #if HAS_TMC_UART #define E4_SERIAL_TX_PIN EXP1_07_PIN #define E4_SERIAL_RX_PIN EXP1_07_PIN #endif // M3 on Driver Expansion Module #define E5_STEP_PIN EXP2_10_PIN #define E5_DIR_PIN EXP2_09_PIN #define E5_ENABLE_PIN EXP1_04_PIN #define E5_DIAG_PIN EXP1_10_PIN #define E5_CS_PIN EXP1_09_PIN #if HAS_TMC_UART #define E5_SERIAL_TX_PIN EXP1_09_PIN #define E5_SERIAL_RX_PIN EXP1_09_PIN #endif #endif // BTT_MOTOR_EXPANSION // // LCDs and Controllers // #if IS_TFTGLCD_PANEL #if ENABLED(TFTGLCD_PANEL_SPI) #define TFTGLCD_CS EXP2_08_PIN #endif #elif HAS_WIRED_LCD #define BEEPER_PIN EXP1_10_PIN #define BTN_ENC EXP1_09_PIN #if ENABLED(CR10_STOCKDISPLAY) #define LCD_PINS_RS EXP1_04_PIN #define BTN_EN1 EXP1_08_PIN #define BTN_EN2 EXP1_06_PIN #define LCD_PINS_ENABLE EXP1_03_PIN #define LCD_PINS_D4 EXP1_05_PIN // CR10_STOCKDISPLAY default timing is too fast #undef BOARD_ST7920_DELAY_1 #undef BOARD_ST7920_DELAY_2 #undef BOARD_ST7920_DELAY_3 #elif ENABLED(MKS_MINI_12864) #define DOGLCD_A0 EXP1_04_PIN #define DOGLCD_CS EXP1_05_PIN #define BTN_EN1 EXP2_08_PIN #define BTN_EN2 EXP2_06_PIN #else #define LCD_PINS_RS EXP1_07_PIN #define BTN_EN1 EXP2_08_PIN #define BTN_EN2 EXP2_06_PIN #define LCD_PINS_ENABLE EXP1_08_PIN #define LCD_PINS_D4 EXP1_06_PIN #if ENABLED(FYSETC_MINI_12864) #define DOGLCD_CS EXP1_08_PIN #define DOGLCD_A0 EXP1_07_PIN //#define LCD_BACKLIGHT_PIN -1 #define LCD_RESET_PIN EXP1_06_PIN // Must be high or open for LCD to operate normally. #if EITHER(FYSETC_MINI_12864_1_2, FYSETC_MINI_12864_2_0) #ifndef RGB_LED_R_PIN #define RGB_LED_R_PIN EXP1_05_PIN #endif #ifndef RGB_LED_G_PIN #define RGB_LED_G_PIN EXP1_04_PIN #endif #ifndef RGB_LED_B_PIN #define RGB_LED_B_PIN EXP1_03_PIN #endif #elif ENABLED(FYSETC_MINI_12864_2_1) #define NEOPIXEL_PIN EXP1_05_PIN #endif #endif // !FYSETC_MINI_12864 #if IS_ULTIPANEL #define LCD_PINS_D5 EXP1_05_PIN #define LCD_PINS_D6 EXP1_04_PIN #define LCD_PINS_D7 EXP1_03_PIN #if ENABLED(REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER) #define BTN_ENC_EN LCD_PINS_D7 // Detect the presence of the encoder #endif #endif #endif #endif // HAS_WIRED_LCD // Alter timing for graphical display #if HAS_MARLINUI_U8GLIB #ifndef BOARD_ST7920_DELAY_1 #define BOARD_ST7920_DELAY_1 DELAY_NS(96) #endif #ifndef BOARD_ST7920_DELAY_2 #define BOARD_ST7920_DELAY_2 DELAY_NS(48) #endif #ifndef BOARD_ST7920_DELAY_3 #define BOARD_ST7920_DELAY_3 DELAY_NS(600) #endif #endif // // WIFI // /** * ------- * GND | 9 | | 8 | 3.3V * (ESP-CS) PB12 | 10 | | 7 | PB15 (ESP-MOSI) * 3.3V | 11 | | 6 | PB14 (ESP-MISO) * (ESP-IO0) PB10 | 12 | | 5 | PB13 (ESP-CLK) * (ESP-IO4) PB11 | 13 | | 4 | NC * NC | 14 | | 3 | 3.3V (ESP-EN) * (ESP-RX) PD8 | 15 | | 2 | NC * (ESP-TX) PD9 | 16 | | 1 | PC14 (ESP-RST) * ------- * WIFI */ #define ESP_WIFI_MODULE_COM 3 // Must also set either SERIAL_PORT or SERIAL_PORT_2 to this #define ESP_WIFI_MODULE_BAUDRATE BAUDRATE // Must use same BAUDRATE as SERIAL_PORT & SERIAL_PORT_2 #define ESP_WIFI_MODULE_RESET_PIN PC14 #define ESP_WIFI_MODULE_GPIO0_PIN PB10 #define ESP_WIFI_MODULE_GPIO4_PIN PB11