/
pins_BTT_SKR_MINI_E3_V3_0.h
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pins_BTT_SKR_MINI_E3_V3_0.h
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/**
* 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 <https://www.gnu.org/licenses/>.
*
*/
#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 // 4K
#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 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
* ------
* (BEEPER) PB5 | 1 2 | PA15 (BTN_ENC)
* (BTN_EN1) PA9 | 3 4 | RESET
* (BTN_EN2) PA10 5 6 | PB9 (LCD_D4)
* (LCD_RS) PB8 | 7 8 | PD6 (LCD_EN)
* GND | 9 10 | 5V
* ------
* EXP1
*/
#define EXP1_01_PIN PB5
#define EXP1_02_PIN PA15
#define EXP1_03_PIN PA9
#define EXP1_04_PIN -1
#define EXP1_05_PIN PA10
#define EXP1_06_PIN PB9
#define EXP1_07_PIN PB8
#define EXP1_08_PIN PD6
#define EXP1_09_PIN -1
#define EXP1_10_PIN -1
#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! DWIN_CREALITY_LCD requires a custom cable, see diagram above this line. (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(SKR_MINI_SCREEN_ADAPTER)
/** https://github.com/VoronDesign/Voron-Hardware/tree/master/SKR-Mini_Screen_Adaptor/SRK%20Mini%20E3%20V3.0
*
* SKR Mini E3 V3.0 SKR Mini Screen Adaptor
* ------ ------
* 5V | 1 2 | GND MISO | 1 2 | SCK
* CS | 3 4 | SCK (EN1) PA10 | 3 4 | --
* MOSI | 5 6 | MISO (EN2) PA9 5 6 | MOSI
* 3V3 | 7 8 | GND -- | 7 8 | --
* ------ GND | 9 10| RESET (Kill)
* SPI ------
* EXP2
*
* ------ ------
* PB5 | 1 2 | PA15 -- | 1 2 | PB5 (BTN_ENC)
* PA9 | 3 4 | RESET (LCD CS) PB8 | 3 4 | PD6 (LCD_A0)
* PA10 5 6 | PB9 (RESET) PB9 5 6 | PA15 (DIN)
* PB8 | 7 8 | PD6 -- | 7 8 | --
* GND | 9 10| 5V GND | 9 10| 5V
* ------ ------
* EXP1 EXP1
*/
#if ENABLED(FYSETC_MINI_12864_2_1)
#define BTN_ENC EXP1_01_PIN
#define BTN_EN1 EXP1_03_PIN
#define BTN_EN2 EXP1_05_PIN
#define BEEPER_PIN -1
#define LCD_RESET_PIN EXP1_06_PIN
#define DOGLCD_CS EXP1_07_PIN
#define DOGLCD_A0 EXP1_08_PIN
#define DOGLCD_SCK PA5
#define DOGLCD_MOSI PA7
#define FORCE_SOFT_SPI
#define LCD_BACKLIGHT_PIN -1
#define NEOPIXEL_PIN EXP1_02_PIN
#else
#error "Only CR10_FYSETC_MINI_12864_2_1 and compatibles are currently supported on the BIGTREE_SKR_MINI_E3 with SKR_MINI_SCREEN_ADAPTER"
#endif
#else
#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
* ------ ------
* (BEEPER) PB6 | 1 2 | PB5 (SD_DET) 5V |10 9 | GND
* RESET | 3 4 | PA9 (MOD_RESET) -- | 8 7 | (SD_DET)
* PB9 5 6 | PA10 (SD_CS) (MOSI) | 6 5 | --
* PB7 | 7 8 | PB8 (LCD_CS) (SD_CS) | 4 3 | (LCD_CS)
* GND | 9 10 | 5V (SCK) | 2 1 | (MISO)
* ------ ------
* EXP1 EXP1
*
* Needs custom cable:
*
* Board 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 and clones require wiring modifications. See 'pins_BTT_SKR_MINI_E3_V3_0.h' for details. Define NO_CONTROLLER_CUSTOM_WIRING_WARNING to suppress this warning"
#endif
/**
*
* Board Display
* ------ ------
* (EN2) PB5 | 1 2 | PA15(BTN_ENC) 5V |10 9 | GND
* (LCD_CS) PA9 | 3 4 | RST (RESET) -- | 8 7 | --
* (LCD_A0) PA10 5 6 | PB9 (EN1) (DIN) | 6 5 (RESET)
* (LCD_SCK)PB8 | 7 8 | PD6 (MOSI) (LCD_A0) | 4 3 | (LCD_CS)
* GND | 9 10 | 5V (BTN_ENC) | 2 1 | --
* ------ ------
* EXP1 EXP1
*
* ------
* -- |10 9 | --
* --- (RESET) | 8 7 | --
* | 3 | (MOSI) | 6 5 (EN2)
* | 2 | (DIN) -- | 4 3 | (EN1)
* | 1 | (LCD_SCK)| 2 1 | --
* --- ------
* Neopixel EXP2
*
* Needs custom cable. Connect EN2-EN2, LCD_CS-LCD_CS and so on.
*
* Check the index/notch position twice!!!
* On BTT boards pins from IDC10 connector are numbered in unusual order.
*/
#define BTN_ENC EXP1_02_PIN
#define BTN_EN1 EXP1_06_PIN
#define BTN_EN2 EXP1_01_PIN
#define BEEPER_PIN -1
#define DOGLCD_CS EXP1_03_PIN
#define DOGLCD_A0 EXP1_05_PIN
#define DOGLCD_SCK EXP1_07_PIN
#define DOGLCD_MOSI EXP1_08_PIN
#define FORCE_SOFT_SPI
#define LCD_BACKLIGHT_PIN -1
#else
#error "Only CR10_STOCKDISPLAY, ZONESTAR_LCD, ENDER2_STOCKDISPLAY, MKS_MINI_12864, FYSETC_MINI_12864_2_1, and TFTGLCD_PANEL_(SPI|I2C) are currently supported on the BIGTREE_SKR_MINI_E3."
#endif
#endif // SKR_MINI_SCREEN_ADAPTER
#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 (FREE) (MOSI) | 6 5 | (LCD_CS)
* (LCD_CS) PB8 | 7 8 | PB7 (FREE) (SD_CS) | 4 3 | (MOD_RESET)
* 5V | 9 10 | GND (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 PC3
#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_SS_PIN ONBOARD_SD_CS_PIN
#define SD_SCK_PIN PA5
#define SD_MISO_PIN PA6
#define SD_MOSI_PIN PA7
//
// Default NEOPIXEL_PIN
//
#ifndef NEOPIXEL_PIN
#define NEOPIXEL_PIN PA8 // LED driving pin
#endif