/** * Marlin 3D Printer Firmware * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin] * * 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 !defined(__STM32F1__) && !defined(STM32F1xx) #error "Oops! Select a STM32F1 board in 'Tools > Board.'" #elif HOTENDS > 1 || E_STEPPERS > 1 #error "Longer3D board only supports 1 hotend / E-stepper. Comment out this line to continue." #endif #define BOARD_INFO_NAME "Longer3D" #define ALFAWISE_UX0 // Common to all Longer3D STM32F1 boards (used for Open drain mosfets) //#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) #define FAN_SOFT_PWM // Required to avoid issues with heating or STLink #define FAN_MIN_PWM 35 // Fan will not start in 1-30 range #define FAN_MAX_PWM 255 //#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 // // 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 /** * Note: Alfawise screens use various TFT controllers. Supported screens * are based on the ILI9341, ILI9328 and ST7798V. Define init sequences for * other screens in u8g_dev_tft_320x240_upscale_from_128x64.cpp * * If the screen stays white, disable 'LCD_RESET_PIN' to let the bootloader * init the screen. * * Setting an 'LCD_RESET_PIN' may cause a flicker when entering the LCD menu * because Marlin uses the reset as a failsafe to revive a glitchy LCD. */ #define LCD_RESET_PIN PC4 // pin 33 #define LCD_BACKLIGHT_PIN PD12 // pin 59 #define FSMC_CS_PIN PD7 // pin 88 = FSMC_NE1 #define FSMC_RS_PIN PD11 // pin 58 A16 Register. Only one address needed #define LCD_USE_DMA_FSMC // Use DMA transfers to send data to the TFT #define FSMC_DMA_DEV DMA2 #define FSMC_DMA_CHANNEL DMA_CH5 #define DOGLCD_MOSI -1 // Prevent auto-define by Conditionals_post.h #define DOGLCD_SCK -1 /** * 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 ENABLED(TOUCH_BUTTONS) #define TOUCH_CS_PIN PB12 // pin 51 SPI2_NSS #define TOUCH_SCK_PIN PB13 // pin 52 #define TOUCH_MOSI_PIN PB14 // pin 53 #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 // //#define SPI_EEPROM #define FLASH_EEPROM_EMULATION #undef E2END #if ENABLED(SPI_EEPROM) // SPI1 EEPROM Winbond W25Q64 (8MB/64Mbits) #define SPI_CHAN_EEPROM1 1 #define SPI_EEPROM1_CS PC5 // pin 34 #define EEPROM_SCK BOARD_SPI1_SCK_PIN // PA5 pin 30 #define EEPROM_MISO BOARD_SPI1_MISO_PIN // PA6 pin 31 #define EEPROM_MOSI BOARD_SPI1_MOSI_PIN // PA7 pin 32 #define EEPROM_PAGE_SIZE 0x1000U // 4KB (from datasheet) #define E2END ((16 * EEPROM_PAGE_SIZE)-1) // Limit to 64KB for now... #elif ENABLED(FLASH_EEPROM_EMULATION) // SoC Flash (framework-arduinoststm32-maple/STM32F1/libraries/EEPROM/EEPROM.h) #define EEPROM_START_ADDRESS (0x8000000UL + (512 * 1024) - 2 * EEPROM_PAGE_SIZE) #define EEPROM_PAGE_SIZE (0x800U) // 2KB, but will use 2x more (4KB) #define E2END (EEPROM_PAGE_SIZE - 1) #else #define E2END (0x7FFU) // On SD, Limit to 2KB, require this amount of RAM #endif