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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
/**
* MRR ESPA pin assignments
* MRR ESPA is a 3D printer control board based on the ESP32 microcontroller.
* Supports 4 stepper drivers, heated bed, single hotend.
*/
#if NOT_TARGET(ARDUINO_ARCH_ESP32)
#error "Oops! Select an ESP32 board in 'Tools > Board.'"
#elif EXTRUDERS > 1 || E_STEPPERS > 1
#error "MRR ESPA only supports one E Stepper. Comment out this line to continue."
#elif HOTENDS > 1
#error "MRR ESPA only supports one hotend / E-stepper. Comment out this line to continue."
#endif
#define BOARD_INFO_NAME "MRR ESPA"
#define BOARD_WEBSITE_URL "github.com/maplerainresearch/MRR_ESPA"
#define DEFAULT_MACHINE_NAME BOARD_INFO_NAME
//
// Disable I2S stepper stream
//
#undef I2S_STEPPER_STREAM
#undef I2S_WS
#undef I2S_BCK
#undef I2S_DATA
//
// Limit Switches
//
#define X_STOP_PIN 34
#define Y_STOP_PIN 35
#define Z_STOP_PIN 15
//
// Steppers
//
#define X_STEP_PIN 27
#define X_DIR_PIN 26
#define X_ENABLE_PIN 25
//#define X_CS_PIN 21
#define Y_STEP_PIN 33
#define Y_DIR_PIN 32
#define Y_ENABLE_PIN X_ENABLE_PIN
//#define Y_CS_PIN 22
#define Z_STEP_PIN 14
#define Z_DIR_PIN 12
#define Z_ENABLE_PIN X_ENABLE_PIN
//#define Z_CS_PIN 5 // SS_PIN
#define E0_STEP_PIN 16
#define E0_DIR_PIN 17
#define E0_ENABLE_PIN X_ENABLE_PIN
//#define E0_CS_PIN 21
//
// Temperature Sensors
//
#define TEMP_0_PIN 36 // Analog Input
#define TEMP_BED_PIN 39 // Analog Input
//
// Heaters / Fans
//
#define HEATER_0_PIN 2
#define FAN_PIN 13
#define HEATER_BED_PIN 4
//
// MicroSD card
//
#define SD_MOSI_PIN 23
#define SD_MISO_PIN 19
#define SD_SCK_PIN 18
#define SDSS 5
#define USES_SHARED_SPI // SPI is shared by SD card with TMC SPI drivers
// Hardware serial pins
// Add the following to Configuration.h or Configuration_adv.h to assign
// specific pins to hardware Serial1.
// Note: Serial2 can be defined using HARDWARE_SERIAL2_RX and HARDWARE_SERIAL2_TX but
// MRR ESPA does not have enough spare pins for such reassignment.
//#define HARDWARE_SERIAL1_RX 21
//#define HARDWARE_SERIAL1_TX 22
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