/** * 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 . * */ #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 // 4K (from datasheet) #define MARLIN_EEPROM_SIZE 16UL * (EEPROM_PAGE_SIZE) // Limit to 64K for now... #elif HAS_SPI_FLASH #define SPI_FLASH_SIZE 0x40000U // limit to 256K (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) // 2K #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 2K, require this amount of RAM #endif