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/**
* 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 <https://www.gnu.org/licenses/>.
*
*/
#pragma once
#if NOT_TARGET(TARGET_STM32F1)
#error "Oops! Select an STM32F1 board in 'Tools > Board.'"
#endif
// Release PB3/PB4 (E0 STP/DIR) from JTAG pins
#define DISABLE_JTAG
// 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) // 2KB
#define EEPROM_START_ADDRESS (0x8000000UL + (STM32_FLASH_SIZE) * 1024UL - (EEPROM_PAGE_SIZE) * 2UL)
#define MARLIN_EEPROM_SIZE EEPROM_PAGE_SIZE // 2KB
#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
* _____ _____
* 5V | 1 2 | GND 5V | 1 2 | GND
* (LCD_EN) PB7 | 3 4 | PB8 (LCD_RS) (LCD_EN) PB15 | 3 4 | PB8 (LCD_RS)
* (LCD_D4) PB9 | 5 6 PA10 (BTN_EN2) (LCD_D4) PB9 | 5 6 PA10 (BTN_EN2)
* RESET | 7 8 | PA9 (BTN_EN1) RESET | 7 8 | PA9 (BTN_EN1)
* (BTN_ENC) PB6 | 9 10| PB5 (BEEPER) (BTN_ENC) PA15 | 9 10| PB5 (BEEPER)
* ----- -----
* EXP1 EXP1
*/
#ifdef SKR_MINI_E3_V2
#define EXP1_9 PA15
#define EXP1_3 PB15
#else
#define EXP1_9 PB6
#define EXP1_3 PB7
#endif
#if HAS_WIRED_LCD
#if ENABLED(CR10_STOCKDISPLAY)
#define BEEPER_PIN PB5
#define BTN_ENC EXP1_9
#define BTN_EN1 PA9
#define BTN_EN2 PA10
#define LCD_PINS_RS PB8
#define LCD_PINS_ENABLE EXP1_3
#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_9
#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_9
#define BTN_EN1 PA9
#define BTN_EN2 PA10
#define DOGLCD_CS PB8
#define DOGLCD_A0 PB9
#define DOGLCD_SCK PB5
#define DOGLCD_MOSI EXP1_3
#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 Adapter 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_9
#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 PC4
#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
#define ONBOARD_SD_CS_PIN PA4 // Chip select for "System" SD card
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