/** * Marlin 3D Printer Firmware * Copyright (c) 2021 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 /** * MRR ESPE pin assignments * MRR ESPE is a 3D printer control board based on the ESP32 microcontroller. * Supports 5 stepper drivers (using I2S stepper stream), heated bed, * single hotend, and LCD controller. */ #include "env_validate.h" #if EXTRUDERS > 2 || E_STEPPERS > 2 #error "MKS ESP Nano only supports two E Steppers. Comment out this line to continue." #elif HOTENDS > 2 #error "MKS ESP Nano only supports two hotend / E-stepper. Comment out this line to continue." #endif #define BOARD_INFO_NAME "MKS TinyBee" #define BOARD_WEBSITE_URL "https://github.com/makerbase-mks" #define DEFAULT_MACHINE_NAME BOARD_INFO_NAME // // Servos // #define SERVO0_PIN 2 // // Limit Switches // #define X_STOP_PIN 33 #define Y_STOP_PIN 32 #define Z_STOP_PIN 22 //#define FIL_RUNOUT_PIN 35 // // Enable I2S stepper stream // #define I2S_STEPPER_STREAM #if ENABLED(I2S_STEPPER_STREAM) #define I2S_WS 26 #define I2S_BCK 25 #define I2S_DATA 27 #if ENABLED(LIN_ADVANCE) #error "I2S stream is currently incompatible with LIN_ADVANCE." #endif #endif // // Steppers // #define X_STEP_PIN 129 #define X_DIR_PIN 130 #define X_ENABLE_PIN 128 #define Y_STEP_PIN 132 #define Y_DIR_PIN 133 #define Y_ENABLE_PIN 131 #define Z_STEP_PIN 135 #define Z_DIR_PIN 136 #define Z_ENABLE_PIN 134 #define E0_STEP_PIN 138 #define E0_DIR_PIN 139 #define E0_ENABLE_PIN 137 #define E1_STEP_PIN 141 #define E1_DIR_PIN 142 #define E1_ENABLE_PIN 140 #define Z2_STEP_PIN 141 #define Z2_DIR_PIN 142 #define Z2_ENABLE_PIN 140 // // Temperature Sensors // #define TEMP_0_PIN 36 // Analog Input #define TEMP_1_PIN 34 // Analog Input, you need set R6=0Ω and R7=NC #define TEMP_BED_PIN 39 // Analog Input // // Heaters / Fans // #define HEATER_0_PIN 145 #define HEATER_1_PIN 146 #define FAN_PIN 147 #define FAN1_PIN 148 #define HEATER_BED_PIN 144 //#define CONTROLLER_FAN_PIN 148 //#define E0_AUTO_FAN_PIN 148 // need to update Configuration_adv.h @section extruder //#define E1_AUTO_FAN_PIN 149 // need to update Configuration_adv.h @section extruder // // ADC Reference Voltage // #define ADC_REFERENCE_VOLTAGE 2.5 // 2.5V reference VDDA /** * ------ ------ * (BEEPER) 149 |10 9 | 13 (BTN_ENC) (SPI MISO) 19 |10 9 | 18 (SPI SCK) * (LCD_EN) 21 | 8 7 | 4 (LCD_RS) (BTN_EN1) 14 | 8 7 | 5 (SPI CS) * (LCD_D4) 0 6 5 | 16 (LCD_D5) (BTN_EN2) 12 6 5 | 23 (SPI MOSI) * (LCD_D6) 15 | 4 3 | 17 (LCD_D7) (SPI_DET) 34 | 4 3 | RESET * GND | 2 1 | 5V GND | 2 1 | 3.3V * ------ ------ * EXP1 EXP2 */ #define EXP1_03_PIN 17 #define EXP1_04_PIN 15 #define EXP1_05_PIN 16 #define EXP1_06_PIN 0 #define EXP1_07_PIN 4 #define EXP1_08_PIN 21 #define EXP1_09_PIN 13 #define EXP1_10_PIN 149 #define EXP2_03_PIN -1 // RESET #define EXP2_04_PIN 34 #define EXP2_05_PIN 23 #define EXP2_06_PIN 12 #define EXP2_07_PIN 5 #define EXP2_08_PIN 14 #define EXP2_09_PIN 18 #define EXP2_10_PIN 19 // // MicroSD card // //#define SD_MOSI_PIN EXP2_05_PIN // uses esp32 default 23 //#define SD_MISO_PIN EXP2_10_PIN // uses esp32 default 19 //#define SD_SCK_PIN EXP2_09_PIN // uses esp32 default 18 #define SDSS EXP2_07_PIN #define SD_DETECT_PIN EXP2_04_PIN // IO34 default is SD_DET signal (Jump to SDDET) #define USES_SHARED_SPI // SPI is shared by SD card with TMC SPI drivers #if HAS_WIRED_LCD #define BEEPER_PIN EXP1_10_PIN #define LCD_PINS_ENABLE EXP1_08_PIN #define LCD_PINS_RS EXP1_07_PIN #define BTN_ENC EXP1_09_PIN #define BTN_EN1 EXP2_08_PIN #define BTN_EN2 EXP2_06_PIN #define LCD_BACKLIGHT_PIN -1 #if ENABLED(MKS_MINI_12864) // MKS MINI12864 and MKS LCD12864B; If using MKS LCD12864A (Need to remove RPK2 resistor) #define DOGLCD_CS EXP1_05_PIN #define DOGLCD_A0 EXP1_04_PIN #define LCD_RESET_PIN -1 #elif ENABLED(FYSETC_MINI_12864_2_1) // MKS_MINI_12864_V3, BTT_MINI_12864_V1, FYSETC_MINI_12864_2_1 #define DOGLCD_CS EXP1_08_PIN #define DOGLCD_A0 EXP1_07_PIN #define LCD_RESET_PIN EXP1_06_PIN #define NEOPIXEL_PIN EXP1_05_PIN #if SD_CONNECTION_IS(ONBOARD) #define FORCE_SOFT_SPI #endif #else #define LCD_PINS_D4 EXP1_06_PIN #if ENABLED(REPRAP_DISCOUNT_SMART_CONTROLLER) #define LCD_PINS_D5 EXP1_05_PIN #define LCD_PINS_D6 EXP1_04_PIN #define LCD_PINS_D7 EXP1_03_PIN #endif #define BOARD_ST7920_DELAY_1 96 #define BOARD_ST7920_DELAY_2 48 #define BOARD_ST7920_DELAY_3 600 #endif #endif // HAS_WIRED_LCD