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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
-
- /**
- * Longer3D LK1/LK2 & Alfawise U20/U30 (STM32F103VET6) board pin assignments
- */
-
- #if NOT_TARGET(__STM32F1__, STM32F1xx)
- #error "Oops! Select a STM32F1 board in 'Tools > Board.'"
- #elif HAS_MULTI_HOTEND || E_STEPPERS > 1
- #error "Longer3D only supports one hotend / E-stepper. Comment out this line to continue."
- #endif
-
- #define BOARD_INFO_NAME "Longer3D"
-
- #define BOARD_NO_NATIVE_USB
-
- //#define DISABLE_DEBUG // We still want to debug with STLINK...
- #define DISABLE_JTAG // We free the jtag pins (PA15) but keep STLINK
- // Release PB4 (STEP_X_PIN) from JTAG NRST role.
- //
- // Limit Switches
- //
- #define X_MIN_PIN PC1 // pin 16
- #define X_MAX_PIN PC0 // pin 15 (Filament sensor on Alfawise setup)
- #define Y_MIN_PIN PC15 // pin 9
- #define Y_MAX_PIN PC14 // pin 8 (Unused in stock Alfawise setup)
- #define Z_MIN_PIN PE6 // pin 5 Standard Endstop or Z_Probe endstop function
- #define Z_MAX_PIN PE5 // pin 4 (Unused in stock Alfawise setup)
- // May be used for BLTouch Servo function on older variants (<= V08)
- #define ONBOARD_ENDSTOPPULLUPS
-
- //
- // Filament Sensor
- //
- #ifndef FIL_RUNOUT_PIN
- #define FIL_RUNOUT_PIN PC0 // XMAX plug on PCB used as filament runout sensor on Alfawise boards (inverting true)
- #endif
-
- //
- // Steppers
- //
- #define X_ENABLE_PIN PB5 // pin 91
- #define X_STEP_PIN PB4 // pin 90
- #define X_DIR_PIN PB3 // pin 89
-
- #define Y_ENABLE_PIN PB8 // pin 95
- #define Y_STEP_PIN PB7 // pin 93
- #define Y_DIR_PIN PB6 // pin 92
-
- #define Z_ENABLE_PIN PE1 // pin 98
- #define Z_STEP_PIN PE0 // pin 97
- #define Z_DIR_PIN PB9 // pin 96
-
- #define E0_ENABLE_PIN PE4 // pin 3
- #define E0_STEP_PIN PE3 // pin 2
- #define E0_DIR_PIN PE2 // pin 1
-
- //
- // Temperature Sensors
- //
- #define TEMP_0_PIN PA0 // pin 23 (Nozzle 100K/3950 thermistor)
- #define TEMP_BED_PIN PA1 // pin 24 (Hot Bed 100K/3950 thermistor)
-
- //
- // Heaters / Fans
- //
- #define HEATER_0_PIN PD3 // pin 84 (Nozzle Heat Mosfet)
- #define HEATER_BED_PIN PA8 // pin 67 (Hot Bed Mosfet)
-
- #define FAN_PIN PA15 // pin 77 (4cm Fan)
-
- #if TERN(MAPLE_STM32F1, ENABLED(FAN_SOFT_PWM), ENABLED(FAST_PWM_FAN)) && FAN_MIN_PWM < 5 // Required to avoid issues with heating or STLink
- #error "FAN_MIN_PWM must be 5 or higher." // Fan will not start in 1-30 range
- #endif
-
- #if defined(MAPLE_STM32F1) || DISABLED(FAST_PWM_FAN) // STM32 HAL required to allow TIMER2 Hardware PWM
- #define FAN_SOFT_PWM_REQUIRED
- #else
- #if FAST_PWM_FAN_FREQUENCY <= 1000 // Default 1000 is noisy, max 65K (uint16)
- #error "FAST_PWM_FAN_FREQUENCY must be greater than 1000."
- #elif FAST_PWM_FAN_FREQUENCY > 65535
- #error "FAST_PWM_FAN_FREQUENCY must be less than 65536."
- #endif
- #endif
-
- //#define BEEPER_PIN PD13 // pin 60 (Servo PWM output 5V/GND on Board V0G+) made for BL-Touch sensor
- // Can drive a PC Buzzer, if connected between PWM and 5V pins
-
- #define LED_PIN PC2 // pin 17
-
- // Longer3D board mosfets are passing by default
- // Avoid nozzle heat and fan start before serial init
- #define BOARD_OPENDRAIN_MOSFETS
-
- #define BOARD_PREINIT() { \
- OUT_WRITE_OD(HEATER_0_PIN, 0); \
- OUT_WRITE_OD(HEATER_BED_PIN, 0); \
- OUT_WRITE_OD(FAN_PIN, 0); \
- }
-
- //
- // PWM for a servo probe
- // Other servo devices are not supported on this board!
- //
- #if HAS_Z_SERVO_PROBE
- #define SERVO0_PIN PD13 // Open drain PWM pin on the V0G (GND or floating 5V)
- #define SERVO0_PWM_OD // Comment this if using PE5
-
- //#define SERVO0_PIN PE5 // Pulled up PWM pin on the V08 (3.3V or 0)
- //#undef Z_MAX_PIN // Uncomment if using ZMAX connector (PE5)
- #endif
-
- //
- // TFT with FSMC interface
- //
- #if HAS_FSMC_TFT
- #define LCD_USE_DMA_FSMC // Use DMA transfers to send data to the TFT
- #define FSMC_CS_PIN PD7 // pin 88 = FSMC_NE1
- #define FSMC_RS_PIN PD11 // pin 58 A16 Register. Only one address needed
- #define FSMC_DMA_DEV DMA2
- #define FSMC_DMA_CHANNEL DMA_CH5
-
- #define TFT_CS_PIN FSMC_CS_PIN
- #define TFT_RS_PIN FSMC_RS_PIN
-
- #define TFT_RESET_PIN PC4 // pin 33
- #define TFT_BACKLIGHT_PIN PD12 // pin 59
- #define TFT_BACKLIGHT_PWM 150 // Brightness with alt. TIM4 chan 1 (1-255)
-
- #define DOGLCD_MOSI -1 // Prevent auto-define by Conditionals_post.h
- #define DOGLCD_SCK -1
-
- // Buffer for Color UI
- #define TFT_BUFFER_SIZE 3200
- #endif
-
- #if defined(TFT_BACKLIGHT_PWM) && !defined(MAPLE_STM32F1)
- #define HAS_LCD_BRIGHTNESS 1
- #define LCD_BRIGHTNESS_DEFAULT TFT_BACKLIGHT_PWM
- #endif
-
- #if ENABLED(SDIO_SUPPORT)
- #define SD_SS_PIN -1 // else SDSS set to PA4 in M43 (spi_pins.h)
- #endif
-
- /**
- * Note: Alfawise U20/U30 boards DON'T use SPI2, as the hardware designer
- * mixed up MOSI and MISO pins. SPI is managed in SW, and needs pins
- * declared below.
- */
- #if NEED_TOUCH_PINS
- #define TOUCH_CS_PIN PB12 // pin 51 SPI2_NSS
- #define TOUCH_SCK_PIN PB13 // pin 52
- #define TOUCH_MOSI_PIN PB14 // pin 53 (Inverted MOSI/MISO = No HW SPI2)
- #define TOUCH_MISO_PIN PB15 // pin 54
- #define TOUCH_INT_PIN PC6 // pin 63 (PenIRQ coming from ADS7843)
- #endif
-
- //
- // Persistent Storage
- // If no option is selected below the SD Card will be used
- //
- #if NO_EEPROM_SELECTED
- //#define SPI_EEPROM
- //#define HAS_SPI_FLASH 1 // need MARLIN_DEV_MODE for M993/M994 eeprom backup tests
- #define FLASH_EEPROM_EMULATION
- #endif
-
- #if ENABLED(SPI_EEPROM)
- // SPI1 EEPROM Winbond W25Q64 (8MB/64Mbits)
- #define SPI_CHAN_EEPROM1 1
- #define SPI_EEPROM1_CS_PIN PC5 // pin 34
- #define EEPROM_SCK_PIN BOARD_SPI1_SCK_PIN // PA5 pin 30
- #define EEPROM_MISO_PIN BOARD_SPI1_MISO_PIN // PA6 pin 31
- #define EEPROM_MOSI_PIN BOARD_SPI1_MOSI_PIN // PA7 pin 32
- #define EEPROM_PAGE_SIZE 0x1000U // 4KB (from datasheet)
- #define MARLIN_EEPROM_SIZE 16UL * (EEPROM_PAGE_SIZE) // Limit to 64KB for now...
- #elif HAS_SPI_FLASH
- #define SPI_FLASH_SIZE 0x40000U // limit to 256KB (M993 will reboot with 512)
- #define SPI_FLASH_CS_PIN PC5
- #define SPI_FLASH_MOSI_PIN PA7
- #define SPI_FLASH_MISO_PIN PA6
- #define SPI_FLASH_SCK_PIN PA5
- #elif ENABLED(FLASH_EEPROM_EMULATION)
- // SoC Flash (framework-arduinoststm32-maple/STM32F1/libraries/EEPROM/EEPROM.h)
- #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)
- #else
- #define MARLIN_EEPROM_SIZE 0x800U // On SD, Limit to 2KB, require this amount of RAM
- #endif
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