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MKS Robin Nano V3 and STM32F4x0Vx Variant (MarlinFirmware#20430)
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‎Marlin/src/core/boards.h‎

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#define BOARD_FLYF407ZG 4217 // FLYF407ZG board (STM32F407ZG)
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#define BOARD_MKS_ROBIN2 4218 // MKS_ROBIN2 (STM32F407ZE)
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#define BOARD_MKS_ROBIN_PRO_V2 4219 // MKS Robin Pro V2 (STM32F407VE)
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#define BOARD_MKS_ROBIN_NANO_V3 4220 // MKS Robin Nano V3 (STM32F407VG)
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//
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// ARM Cortex M7

‎Marlin/src/pins/pins.h‎

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#include "stm32f4/pins_MKS_ROBIN2.h" // STM32F4 env:MKS_ROBIN2
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#elif MB(MKS_ROBIN_PRO_V2)
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#include "stm32f4/pins_MKS_ROBIN_PRO_V2.h" // STM32F4 env:mks_robin_pro2
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#elif MB(MKS_ROBIN_NANO_V3)
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#include "stm32f4/pins_MKS_ROBIN_NANO_V3.h" // STM32F4 env:mks_robin_nano_v3
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//
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// ARM Cortex M7

‎Marlin/src/pins/stm32f4/pins_MKS_ROBIN_NANO_V3.h‎

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/**
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* Marlin 3D Printer Firmware
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* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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#if NOT_TARGET(STM32F4, STM32F4xx)
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#error "Oops! Select an STM32F4 board in 'Tools > Board.'"
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#elif HOTENDS > 2 || E_STEPPERS > 2
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#error "MKS Robin Nano V3 supports up to 2 hotends / E-steppers."
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#elif HAS_FSMC_TFT
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#error "MKS Robin Nano V3 doesn't support FSMC-based TFT displays."
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#endif
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#define BOARD_INFO_NAME "MKS Robin Nano V3"
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// Use one of these or SDCard-based Emulation will be used
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//#define SRAM_EEPROM_EMULATION // Use BackSRAM-based EEPROM emulation
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//#define FLASH_EEPROM_EMULATION // Use Flash-based EEPROM emulation
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#define I2C_EEPROM
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//
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// Release PB4 (Z_DIR_PIN) from JTAG NRST role
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//
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//
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// Limit Switches
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//
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#define X_DIAG_PIN PD15
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#define Y_DIAG_PIN PD2
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#define Z_DIAG_PIN PC8
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#define E0_DIAG_PIN PC4
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#define E1_DIAG_PIN PE7
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//
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#define X_STOP_PIN PA15
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#define Y_STOP_PIN PD2
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#define Z_MIN_PIN PC8
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#define Z_MAX_PIN PC4
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//
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// Steppers
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//
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#define X_ENABLE_PIN PE4
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#define X_STEP_PIN PE3
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#define X_DIR_PIN PE2
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#ifndef X_CS_PIN
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#define X_CS_PIN PD5
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#endif
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#define Y_ENABLE_PIN PE1
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#define Y_STEP_PIN PE0
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#define Y_DIR_PIN PB9
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#ifndef Y_CS_PIN
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#define Y_CS_PIN PD7
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#endif
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#define Z_ENABLE_PIN PB8
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#define Z_STEP_PIN PB5
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#define Z_DIR_PIN PB4
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#ifndef Z_CS_PIN
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#define Z_CS_PIN PD4
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#endif
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#define E0_ENABLE_PIN PB3
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#define E0_STEP_PIN PD6
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#define E0_DIR_PIN PD3
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#ifndef E0_CS_PIN
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#define E0_CS_PIN PD9
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#endif
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#define E1_ENABLE_PIN PA3
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#define E1_STEP_PIN PD15
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#define E1_DIR_PIN PA1
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#ifndef E1_CS_PIN
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#define E1_CS_PIN PD8
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#endif
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//
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// Software SPI pins for TMC2130 stepper drivers
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//
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// This board only support SW SPI for stepper drivers
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#if HAS_TMC_SPI
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#define TMC_USE_SW_SPI
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#endif
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#if ENABLED(TMC_USE_SW_SPI)
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#if !defined(TMC_SW_MOSI) || TMC_SW_MOSI == -1
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#define TMC_SW_MOSI PD14
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#endif
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#if !defined(TMC_SW_MISO) || TMC_SW_MISO == -1
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#define TMC_SW_MISO PD1
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#endif
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#if !defined(TMC_SW_SCK) || TMC_SW_SCK == -1
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#define TMC_SW_SCK PD0
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#endif
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#endif
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#if HAS_TMC_UART
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//
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// Software serial
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// No Hardware serial for steppers
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//
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#define X_SERIAL_TX_PIN PD5
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#define X_SERIAL_RX_PIN PD5
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#define Y_SERIAL_TX_PIN PD7
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#define Y_SERIAL_RX_PIN PD7
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#define Z_SERIAL_TX_PIN PD4
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#define Z_SERIAL_RX_PIN PD4
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#define E0_SERIAL_TX_PIN PD9
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#define E0_SERIAL_RX_PIN PD9
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#define E1_SERIAL_TX_PIN PD8
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#define E1_SERIAL_RX_PIN PD8
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// Reduce baud rate to improve software serial reliability
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#define TMC_BAUD_RATE 19200
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#endif
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//
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// Temperature Sensors
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//
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#define TEMP_0_PIN PC1 // TH1
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#define TEMP_1_PIN PA2 // TH2
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#define TEMP_BED_PIN PC0 // TB1
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//
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// Heaters / Fans
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//
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#define HEATER_0_PIN PE5 // HEATER1
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#define HEATER_1_PIN PB0 // HEATER2
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#define HEATER_BED_PIN PA0 // HOT BED
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#define FAN_PIN PB1 // FAN
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#define FAN1_PIN PC14 // FAN1
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//
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// Thermocouples
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//
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//#define MAX6675_SS_PIN HEATER_0_PIN // TC1 - CS1
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//#define MAX6675_SS_PIN HEATER_1_PIN // TC2 - CS2
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//
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// Misc. Functions
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//
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#define MT_DET_1 PA4
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#define MT_DET_2 PE6
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#define PW_DET PA13
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#define PW_OFF PB2
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#ifndef FIL_RUNOUT_PIN
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#define FIL_RUNOUT_PIN MT_DET_1
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#endif
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#ifndef FIL_RUNOUT2_PIN
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#define FIL_RUNOUT2_PIN MT_DET_2
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#endif
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#define POWER_LOSS_PIN PW_DET
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#define PS_ON_PIN PW_OFF
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//
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// Enable MKSPWC support
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//
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//#define SUICIDE_PIN PB2
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//#define KILL_PIN PA2
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//#define KILL_PIN_INVERTING true
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#define SERVO0_PIN PA8 // Enable BLTOUCH support
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//#define LED_PIN PB2
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// Random Info
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#define USB_SERIAL -1 //Usb Serial
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#define WIFI_SERIAL 3 //USART3
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#define MKS_WIFI_MODULE_SERIAL 1 //USART1
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#define MKS_WIFI_MODULE_SPI 2 //SPI2
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#ifndef SDCARD_CONNECTION
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#define SDCARD_CONNECTION ONBOARD
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#endif
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//
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// Onboard SD card
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//
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// detect pin dont work when ONBOARD and NO_SD_HOST_DRIVE disabled
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#if SD_CONNECTION_IS(ONBOARD)
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#define CUSTOM_SPI_PINS // TODO: needed because is the only way to set SPI3 for SD on STM32 (by now)
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#if ENABLED(CUSTOM_SPI_PINS)
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#define ENABLE_SPI3
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#define SS_PIN -1
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#define SDSS PC9
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#define SCK_PIN PC10
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#define MISO_PIN PC11
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#define MOSI_PIN PC12
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#define SD_DETECT_PIN PD12
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#endif
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#endif
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//
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// LCD SD
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//
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#if SD_CONNECTION_IS(LCD)
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#define CUSTOM_SPI_PINS
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#if ENABLED(CUSTOM_SPI_PINS)
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#define ENABLE_SPI1
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#define SDSS PE10
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#define SCK_PIN PA5
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#define MISO_PIN PA6
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#define MOSI_PIN PA7
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#define SD_DETECT_PIN PE12
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#endif
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#endif
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//
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// LCD / Controller
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#define SPI_FLASH
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#define HAS_SPI_FLASH 1
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#define SPI_DEVICE 2
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#define SPI_FLASH_SIZE 0x1000000
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#if ENABLED(SPI_FLASH)
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#define W25QXX_CS_PIN PB12
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#define W25QXX_MOSI_PIN PC3
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#define W25QXX_MISO_PIN PC2
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#define W25QXX_SCK_PIN PB13
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#endif
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/**
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* _____ _____
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* (BEEPER)PC5 | · · | PE13(BTN_ENC) (SPI1 MISO) PA6 | · · | PA5 (SPI1 SCK)
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* (LCD_EN)PD13 | · · | PC6(LCD_RS) (BTN_EN1) PE8 | · · | PE10 (SPI1 CS)
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* (LCD_D4)PE14 | · · PE15(LCD_D5) (BTN_EN2) PE11 | · · PA7 (SPI1 MOSI)
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* (LCD_D6)PD11 | · · | PD10(LCD_D7) (SPI1_RS) PE12 | · · | RESET
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* GND | · · | 5V GND | · · | 3.3V
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* ￣￣￣ ￣￣￣
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* EXP1 EXP2
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*/
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#if EITHER(TFT_480x320_SPI, TFT_LVGL_UI_SPI)
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#ifndef TOUCH_CALIBRATION_X
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#define TOUCH_CALIBRATION_X -17253
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#endif
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#ifndef TOUCH_CALIBRATION_Y
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#define TOUCH_CALIBRATION_Y 11579
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#endif
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#ifndef TOUCH_OFFSET_X
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#define TOUCH_OFFSET_X 514
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#endif
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#ifndef TOUCH_OFFSET_Y
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#define TOUCH_OFFSET_Y -24
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#endif
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#ifndef TOUCH_ORIENTATION
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#define TOUCH_ORIENTATION TOUCH_LANDSCAPE
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#endif
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#define TFT_CS_PIN PD11
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#define TFT_SCK_PIN PA5
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#define TFT_MISO_PIN PA6
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#define TFT_MOSI_PIN PA7
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#define TFT_DC_PIN PD10
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#define TFT_RST_PIN PC6
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#define TFT_A0_PIN TFT_DC_PIN
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#define TFT_RESET_PIN PC6
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#define TFT_BACKLIGHT_PIN PD13
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#define TOUCH_BUTTONS_HW_SPI
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#define TOUCH_BUTTONS_HW_SPI_DEVICE 1
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#define LCD_BACKLIGHT_PIN PD13
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#ifndef TFT_WIDTH
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#define TFT_WIDTH 480
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#endif
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#ifndef TFT_HEIGHT
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#define TFT_HEIGHT 320
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#endif
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#define TOUCH_CS_PIN PE14 // SPI1_NSS
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#define TOUCH_SCK_PIN PA5 // SPI1_SCK
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#define TOUCH_MISO_PIN PA6 // SPI1_MISO
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#define TOUCH_MOSI_PIN PA7 // SPI1_MOSI
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#define BTN_EN1 PE8
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#define BTN_EN2 PE11
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#define BEEPER_PIN PC5
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#define BTN_ENC PE13
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#define LCD_READ_ID 0xD3
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#define LCD_USE_DMA_SPI
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#define TFT_BUFFER_SIZE 14400
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#elif HAS_SPI_LCD
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#define BEEPER_PIN PC5
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#define BTN_ENC PE13
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#define LCD_PINS_ENABLE PD13
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#define LCD_PINS_RS PC6
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#define BTN_EN1 PE8
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#define BTN_EN2 PE11
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#define LCD_BACKLIGHT_PIN -1
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// MKS MINI12864 and MKS LCD12864B; If using MKS LCD12864A (Need to remove RPK2 resistor)
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#if ENABLED(MKS_MINI_12864)
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//#define LCD_BACKLIGHT_PIN -1
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//#define LCD_RESET_PIN -1
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#define DOGLCD_A0 PD11
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#define DOGLCD_CS PE15
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//#define DOGLCD_SCK PA5
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//#define DOGLCD_MOSI PA7
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// Required for MKS_MINI_12864 with this board
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//#define MKS_LCD12864B
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//#undef SHOW_BOOTSCREEN
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#else // !MKS_MINI_12864
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#define LCD_PINS_D4 PE14
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#if ENABLED(ULTIPANEL)
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#define LCD_PINS_D5 PE15
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#define LCD_PINS_D6 PD11
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#define LCD_PINS_D7 PD10
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#endif
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#define BOARD_ST7920_DELAY_1 DELAY_NS(96)
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#define BOARD_ST7920_DELAY_2 DELAY_NS(48)
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#define BOARD_ST7920_DELAY_3 DELAY_NS(600)
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#endif // !MKS_MINI_12864
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#elif ENABLED(SPI_GRAPHICAL_TFT)
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#define SPI_TFT_CS_PIN PD11
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#define SPI_TFT_SCK_PIN PA5
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#define SPI_TFT_MISO_PIN PA6
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#define SPI_TFT_MOSI_PIN PA7
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#define SPI_TFT_DC_PIN PD10
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#define SPI_TFT_RST_PIN PC6
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#define LCD_BACKLIGHT_PIN PD13
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#define TOUCH_CS_PIN PE14 // SPI1_NSS
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#define TOUCH_SCK_PIN PA5 // SPI1_SCK
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#define TOUCH_MISO_PIN PA6 // SPI1_MISO
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#define TOUCH_MOSI_PIN PA7 // SPI1_MOSI
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#define BTN_EN1 PE8
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#define BTN_EN2 PE11
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#define BEEPER_PIN PC5
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#define BTN_ENC PE13
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#endif // HAS_SPI_LCD
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#define HAS_OTG_USB_HOST_SUPPORT

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