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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
-
- /**
- * Melzi (Creality) pin assignments
- *
- * The Creality board needs a bootloader installed before Marlin can be uploaded.
- * If you don't have a chip programmer you can use a spare Arduino plus a few
- * electronic components to write the bootloader.
- *
- * See https://www.instructables.com/id/Burn-Arduino-Bootloader-with-Arduino-MEGA/
- *
- * Schematic: https://bit.ly/2XOnsWb
- */
-
- #define BOARD_INFO_NAME "Melzi (Creality)"
-
- // Alter timing for graphical display
- #if IS_U8GLIB_ST7920
- #define BOARD_ST7920_DELAY_1 125
- #define BOARD_ST7920_DELAY_2 125
- #define BOARD_ST7920_DELAY_3 125
- #endif
-
- #include "pins_MELZI.h"
-
- //
- // For the stock CR-10 enable CR10_STOCKDISPLAY in Configuration.h
- //
- #undef LCD_SDSS
- #undef LED_PIN
- #undef LCD_PINS_RS
- #undef LCD_PINS_ENABLE
- #undef LCD_PINS_D4
- #undef LCD_PINS_D5
- #undef LCD_PINS_D6
- #undef LCD_PINS_D7
-
- #define LCD_SDSS 31 // Smart Controller SD card reader (rather than the Melzi)
- #define LCD_PINS_RS 28 // ST9720 CS
- #define LCD_PINS_ENABLE 17 // ST9720 DAT
- #define LCD_PINS_D4 30 // ST9720 CLK
-
- #if ENABLED(BLTOUCH)
- #ifndef SERVO0_PIN
- #define SERVO0_PIN 27
- #endif
- #if SERVO0_PIN == BEEPER_PIN
- #undef BEEPER_PIN
- #endif
- #elif ENABLED(FILAMENT_RUNOUT_SENSOR)
- #ifndef FIL_RUNOUT_PIN
- #define FIL_RUNOUT_PIN 27
- #endif
- #if FIL_RUNOUT_PIN == BEEPER_PIN
- #undef BEEPER_PIN
- #endif
- #endif
-
- #if ENABLED(MINIPANEL)
- #undef DOGLCD_CS
- #define DOGLCD_CS LCD_PINS_RS
- #endif
-
- /**
- PIN: 0 Port: B0 E0_DIR_PIN protected
- PIN: 1 Port: B1 E0_STEP_PIN protected
- PIN: 2 Port: B2 Z_DIR_PIN protected
- PIN: 3 Port: B3 Z_STEP_PIN protected
- PIN: 4 Port: B4 AVR_SS_PIN protected
- . FAN_PIN protected
- . SD_SS_PIN protected
- PIN: 5 Port: B5 AVR_MOSI_PIN Output = 1
- . SD_MOSI_PIN Output = 1
- PIN: 6 Port: B6 AVR_MISO_PIN Input = 0 TIMER3A PWM: 0 WGM: 1 COM3A: 0 CS: 3 TCCR3A: 1 TCCR3B: 3 TIMSK3: 0
- . SD_MISO_PIN Input = 0
- PIN: 7 Port: B7 AVR_SCK_PIN Output = 0 TIMER3B PWM: 0 WGM: 1 COM3B: 0 CS: 3 TCCR3A: 1 TCCR3B: 3 TIMSK3: 0
- . SD_SCK_PIN Output = 0
- PIN: 8 Port: D0 RXD Input = 1
- PIN: 9 Port: D1 TXD Input = 0
- PIN: 10 Port: D2 BTN_EN2 Input = 1
- PIN: 11 Port: D3 BTN_EN1 Input = 1
- PIN: 12 Port: D4 HEATER_BED_PIN protected
- PIN: 13 Port: D5 HEATER_0_PIN protected
- PIN: 14 Port: D6 E0_ENABLE_PIN protected
- . X_ENABLE_PIN protected
- . Y_ENABLE_PIN protected
- PIN: 15 Port: D7 X_STEP_PIN protected
- PIN: 16 Port: C0 BTN_ENC Input = 1
- . SCL Input = 1
- PIN: 17 Port: C1 LCD_PINS_ENABLE Output = 0
- . SDA Output = 0
- PIN: 18 Port: C2 X_MIN_PIN protected
- . X_STOP_PIN protected
- PIN: 19 Port: C3 Y_MIN_PIN protected
- . Y_STOP_PIN protected
- PIN: 20 Port: C4 Z_MIN_PIN protected
- . Z_STOP_PIN protected
- PIN: 21 Port: C5 X_DIR_PIN protected
- PIN: 22 Port: C6 Y_STEP_PIN protected
- PIN: 23 Port: C7 Y_DIR_PIN protected
- PIN: 24 Port: A7 TEMP_0_PIN protected
- PIN: 25 Port: A6 TEMP_BED_PIN protected
- PIN: 26 Port: A5 Z_ENABLE_PIN protected
- PIN: 27 Port: A4 BEEPER_PIN Output = 0
- PIN: 28 Port: A3 LCD_PINS_RS Output = 0
- PIN: 29 Port: A2 <unused/unknown> Input = 0
- PIN: 30 Port: A1 LCD_PINS_D4 Output = 1
- PIN: 31 Port: A0 SDSS Output = 1
- */
-
- /**
- * EXP1 Connector EXP1 as CR10 STOCKDISPLAY
- * ------ ------
- * PA4 |10 9 | PC0 BEEPER_PIN |10 9 | BTN_ENC
- * PD3 | 8 7 | RESET BTN_EN1 | 8 7 | RESET
- * PD2 6 5 | PA1 BTN_EN2 6 5 | LCD_PINS_D4 (ST9720 CLK)
- * PA3 | 4 3 | PC1 (ST9720 CS) LCD_PINS_RS | 4 3 | LCD_PINS_ENABLE (ST9720 DAT)
- * GND | 2 1 | 5V GND | 2 1 | 5V
- * ------ ------
- */
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