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208 lines
8.4 KiB
208 lines
8.4 KiB
/**
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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 <https://www.gnu.org/licenses/>.
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*
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*/
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#pragma once
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/**
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* Longer3D LK1/LK2 & Alfawise U20/U30 (STM32F103VET6) board pin assignments
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*/
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#if NOT_TARGET(__STM32F1__, STM32F1xx)
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#error "Oops! Select a STM32F1 board in 'Tools > Board.'"
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#elif HAS_MULTI_HOTEND || E_STEPPERS > 1
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#error "Longer3D only supports one hotend / E-stepper. Comment out this line to continue."
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#endif
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#define BOARD_INFO_NAME "Longer3D"
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#define BOARD_NO_NATIVE_USB
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//#define DISABLE_DEBUG // We still want to debug with STLINK...
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#define DISABLE_JTAG // We free the jtag pins (PA15) but keep STLINK
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// Release PB4 (STEP_X_PIN) from JTAG NRST role.
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//
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// Limit Switches
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//
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#define X_MIN_PIN PC1 // pin 16
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#define X_MAX_PIN PC0 // pin 15 (Filament sensor on Alfawise setup)
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#define Y_MIN_PIN PC15 // pin 9
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#define Y_MAX_PIN PC14 // pin 8 (Unused in stock Alfawise setup)
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#define Z_MIN_PIN PE6 // pin 5 Standard Endstop or Z_Probe endstop function
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#define Z_MAX_PIN PE5 // pin 4 (Unused in stock Alfawise setup)
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// May be used for BLTouch Servo function on older variants (<= V08)
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#define ONBOARD_ENDSTOPPULLUPS
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//
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// Filament Sensor
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//
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#ifndef FIL_RUNOUT_PIN
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#define FIL_RUNOUT_PIN PC0 // XMAX plug on PCB used as filament runout sensor on Alfawise boards (inverting true)
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#endif
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//
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// Steppers
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//
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#define X_ENABLE_PIN PB5 // pin 91
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#define X_STEP_PIN PB4 // pin 90
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#define X_DIR_PIN PB3 // pin 89
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#define Y_ENABLE_PIN PB8 // pin 95
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#define Y_STEP_PIN PB7 // pin 93
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#define Y_DIR_PIN PB6 // pin 92
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#define Z_ENABLE_PIN PE1 // pin 98
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#define Z_STEP_PIN PE0 // pin 97
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#define Z_DIR_PIN PB9 // pin 96
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#define E0_ENABLE_PIN PE4 // pin 3
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#define E0_STEP_PIN PE3 // pin 2
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#define E0_DIR_PIN PE2 // pin 1
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//
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// Temperature Sensors
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//
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#define TEMP_0_PIN PA0 // pin 23 (Nozzle 100K/3950 thermistor)
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#define TEMP_BED_PIN PA1 // pin 24 (Hot Bed 100K/3950 thermistor)
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//
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// Heaters / Fans
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//
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#define HEATER_0_PIN PD3 // pin 84 (Nozzle Heat Mosfet)
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#define HEATER_BED_PIN PA8 // pin 67 (Hot Bed Mosfet)
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#define FAN_PIN PA15 // pin 77 (4cm Fan)
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#ifdef MAPLE_STM32F1
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#define FAN_SOFT_PWM // Required to avoid issues with heating or STLink
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#define FAN_MIN_PWM 35 // Fan will not start in 1-30 range
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#define FAN_MAX_PWM 255
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#else
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#define FAST_PWM_FAN // STM32 Variant allow TIMER2 Hardware PWM
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#define FAST_PWM_FAN_FREQUENCY 31400 // This frequency allow a good range, fan starts at 3%, half noise at 50%
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#define FAN_MIN_PWM 5
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#define FAN_MAX_PWM 255
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#endif
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//#define BEEPER_PIN PD13 // pin 60 (Servo PWM output 5V/GND on Board V0G+) made for BL-Touch sensor
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// Can drive a PC Buzzer, if connected between PWM and 5V pins
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#define LED_PIN PC2 // pin 17
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// Longer3D board mosfets are passing by default
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// Avoid nozzle heat and fan start before serial init
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#define BOARD_OPENDRAIN_MOSFETS
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#define BOARD_PREINIT() { \
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OUT_WRITE_OD(HEATER_0_PIN, 0); \
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OUT_WRITE_OD(HEATER_BED_PIN, 0); \
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OUT_WRITE_OD(FAN_PIN, 0); \
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}
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//
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// PWM for a servo probe
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// Other servo devices are not supported on this board!
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//
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#if HAS_Z_SERVO_PROBE
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#define SERVO0_PIN PD13 // Open drain PWM pin on the V0G (GND or floating 5V)
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#define SERVO0_PWM_OD // Comment this if using PE5
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//#define SERVO0_PIN PE5 // Pulled up PWM pin on the V08 (3.3V or 0)
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//#undef Z_MAX_PIN // Uncomment if using ZMAX connector (PE5)
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#endif
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//
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// TFT with FSMC interface
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//
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#if HAS_FSMC_TFT
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#define LCD_USE_DMA_FSMC // Use DMA transfers to send data to the TFT
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#define FSMC_CS_PIN PD7 // pin 88 = FSMC_NE1
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#define FSMC_RS_PIN PD11 // pin 58 A16 Register. Only one address needed
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#define FSMC_DMA_DEV DMA2
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#define FSMC_DMA_CHANNEL DMA_CH5
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#define TFT_CS_PIN FSMC_CS_PIN
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#define TFT_RS_PIN FSMC_RS_PIN
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#define TFT_RESET_PIN PC4 // pin 33
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#define TFT_BACKLIGHT_PIN PD12 // pin 59
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#define TFT_BACKLIGHT_PWM 150 // Brightness with alt. TIM4 chan 1 (1-255)
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#define DOGLCD_MOSI -1 // Prevent auto-define by Conditionals_post.h
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#define DOGLCD_SCK -1
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// Buffer for Color UI
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#define TFT_BUFFER_SIZE 3200
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#endif
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#if defined(TFT_BACKLIGHT_PWM) && !defined(MAPLE_STM32F1)
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#define HAS_LCD_BRIGHTNESS 1
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#define DEFAULT_LCD_BRIGHTNESS TFT_BACKLIGHT_PWM
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#endif
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#if ENABLED(SDIO_SUPPORT)
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#define SD_SS_PIN -1 // else SDSS set to PA4 in M43 (spi_pins.h)
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#endif
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/**
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* Note: Alfawise U20/U30 boards DON'T use SPI2, as the hardware designer
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* mixed up MOSI and MISO pins. SPI is managed in SW, and needs pins
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* declared below.
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*/
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#if NEED_TOUCH_PINS
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#define TOUCH_CS_PIN PB12 // pin 51 SPI2_NSS
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#define TOUCH_SCK_PIN PB13 // pin 52
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#define TOUCH_MOSI_PIN PB14 // pin 53 (Inverted MOSI/MISO = No HW SPI2)
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#define TOUCH_MISO_PIN PB15 // pin 54
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#define TOUCH_INT_PIN PC6 // pin 63 (PenIRQ coming from ADS7843)
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#endif
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//
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// Persistent Storage
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// If no option is selected below the SD Card will be used
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//
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#if NO_EEPROM_SELECTED
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//#define SPI_EEPROM
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//#define HAS_SPI_FLASH 1 // need MARLIN_DEV_MODE for M993/M994 eeprom backup tests
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#define FLASH_EEPROM_EMULATION
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#endif
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#if ENABLED(SPI_EEPROM)
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// SPI1 EEPROM Winbond W25Q64 (8MB/64Mbits)
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#define SPI_CHAN_EEPROM1 1
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#define SPI_EEPROM1_CS_PIN PC5 // pin 34
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#define EEPROM_SCK_PIN BOARD_SPI1_SCK_PIN // PA5 pin 30
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#define EEPROM_MISO_PIN BOARD_SPI1_MISO_PIN // PA6 pin 31
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#define EEPROM_MOSI_PIN BOARD_SPI1_MOSI_PIN // PA7 pin 32
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#define EEPROM_PAGE_SIZE 0x1000U // 4KB (from datasheet)
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#define MARLIN_EEPROM_SIZE 16UL * (EEPROM_PAGE_SIZE) // Limit to 64KB for now...
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#elif HAS_SPI_FLASH
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#define SPI_FLASH_SIZE 0x40000U // limit to 256KB (M993 will reboot with 512)
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#define SPI_FLASH_CS_PIN PC5
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#define SPI_FLASH_MOSI_PIN PA7
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#define SPI_FLASH_MISO_PIN PA6
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#define SPI_FLASH_SCK_PIN PA5
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#elif ENABLED(FLASH_EEPROM_EMULATION)
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// SoC Flash (framework-arduinoststm32-maple/STM32F1/libraries/EEPROM/EEPROM.h)
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#define EEPROM_PAGE_SIZE (0x800U) // 2KB
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#define EEPROM_START_ADDRESS (0x8000000UL + (STM32_FLASH_SIZE) * 1024UL - (EEPROM_PAGE_SIZE) * 2UL)
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#define MARLIN_EEPROM_SIZE (EEPROM_PAGE_SIZE)
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#else
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#define MARLIN_EEPROM_SIZE 0x800U // On SD, Limit to 2KB, require this amount of RAM
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#endif
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