/**
* Marlin 3 D 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 < https : //www.gnu.org/licenses/>.
*
*/
# 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 | 5 V GND | 9 10 | 5 V
* - - - - - - - - - - - -
* 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 ) 5 V | 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 | 5 V ( SCK ) | 2 1 | ( MISO )
* - - - - - - - - - - - -
* EXP1 EXP1
*
* Needs custom cable :
*
* Board Adapter Display
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
* EXP1 - 10 - - - - - - - - - - EXP1 - 10 5 V
* 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 | 5 V GND | 2 1 | 5 V
* - - - - - - - - - - - -
* 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 )
* 5 V | 5 | ( GND ) | 2 1 | ( KILL )
* - - - - - - - - -
* TFT EXP2
*
* Needs custom cable :
*
* Board Display
*
* EXP1 - 10 - - - - - - - - - - EXP1 - 1 5 V
* 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 ) 5 V | 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 | 5 V ( SCK ) | 2 1 | ( MISO )
* - - - - - - - - - - - -
* EXP1 EXP1
*
* Needs custom cable :
*
* Board Adapter Display
* - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
* EXP1 - 10 - - - - - - - - - - EXP1 - 10 5 V
* 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