#pragma once
// clang-format off

/*
    SCM_large_CNC_engraver.h

    Covers all V1 versions V1p0, V1p1, etc

    Part of Grbl_ESP32
    Pin assignments for the grblESP32board
	2020-09-16    - S. C. Maher

    Grbl_ESP32 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.
    Grbl 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 Grbl_ESP32.  If not, see <http://www.gnu.org/licenses/>.
*/
#define MACHINE_NAME            "grblESP32board"

#ifdef N_AXIS
        #undef N_AXIS
#endif
#define N_AXIS 4

#ifdef ENABLE_SD_CARD
    #undef ENABLE_SD_CARD
#endif

// === Special Features

// I2S (steppers & other output-only pins)

#define USE_I2S_OUT
#define USE_I2S_STEPS

#define I2S_OUT_BCK      GPIO_NUM_22
#define I2S_OUT_WS       GPIO_NUM_13
#define I2S_OUT_DATA     GPIO_NUM_21

// stepper control pins

#define X_STEP_PIN              I2SO(0)
#define X_DIRECTION_PIN         I2SO(1)

#define Y_STEP_PIN              I2SO(2)
#define Y_DIRECTION_PIN         I2SO(3)

#define Z_STEP_PIN              I2SO(4)
#define Z_DIRECTION_PIN         I2SO(5)

#define A_STEP_PIN              I2SO(6)
#define A_DIRECTION_PIN         I2SO(7)

#define STEPPERS_DISABLE_PIN    I2SO(8)

// axis limit switch pins

#define X_LIMIT_PIN             GPIO_NUM_34
#define Y_LIMIT_PIN             GPIO_NUM_35
#define Z_LIMIT_PIN             GPIO_NUM_36
#define A_LIMIT_PIN             GPIO_NUM_39

// spindle control

//#define SPINDLE_TYPE            SPINDLE_TYPE_HUANYANG // only one spindle at a time
#define SPINDLE_TYPE            SPINDLE_TYPE_PWM

#define VFD_RS485_TXD_PIN		GPIO_NUM_17
#define VFD_RS485_RXD_PIN		GPIO_NUM_4
#define VFD_RS485_RTS_PIN		GPIO_NUM_16

#define SPINDLE_OUTPUT_PIN      GPIO_NUM_17
#define SPINDLE_ENABLE_PIN      GPIO_NUM_16
#define SPINDLE_DIR_PIN         GPIO_NUM_4

// probe

//#define PROBE_PIN               GPIO_NUM_33

// coolant mist (probably used for dust collection)

#define COOLANT_MIST_PIN        I2SO(9)

// discrete control inputs

//#define CONTROL_SAFETY_DOOR_PIN GPIO_NUM_25
//#define CONTROL_RESET_PIN       GPIO_NUM_14
//#define CONTROL_FEED_HOLD_PIN   GPIO_NUM_27
//#define CONTROL_CYCLE_START_PIN GPIO_NUM_26


// === Default settings
#define DEFAULT_STEP_PULSE_MICROSECONDS I2S_OUT_USEC_PER_PULSE