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Imbus 2025-12-28 07:09:00 +01:00
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grbl/cpu_map.h
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@ -22,230 +22,231 @@
processor types or alternative pin layouts. This version of Grbl officially supports
only the Arduino Mega328p. */
#ifndef cpu_map_h
#define cpu_map_h
#ifdef CPU_MAP_ATMEGA328P // (Arduino Uno) Officially supported by Grbl.
// Define serial port pins and interrupt vectors.
#define SERIAL_RX USART_RX_vect
#define SERIAL_UDRE USART_UDRE_vect
// Define serial port pins and interrupt vectors.
#define SERIAL_RX USART_RX_vect
#define SERIAL_UDRE USART_UDRE_vect
// Define step pulse output pins. NOTE: All step bit pins must be on the same port.
#define STEP_DDR DDRD
#define STEP_PORT PORTD
#define X_STEP_BIT 2 // Uno Digital Pin 2
#define Y_STEP_BIT 3 // Uno Digital Pin 3
#define Z_STEP_BIT 4 // Uno Digital Pin 4
#define STEP_MASK ((1<<X_STEP_BIT)|(1<<Y_STEP_BIT)|(1<<Z_STEP_BIT)) // All step bits
// Define step pulse output pins. NOTE: All step bit pins must be on the same port.
#define STEP_DDR DDRD
#define STEP_PORT PORTD
#define X_STEP_BIT 2 // Uno Digital Pin 2
#define Y_STEP_BIT 3 // Uno Digital Pin 3
#define Z_STEP_BIT 4 // Uno Digital Pin 4
#define STEP_MASK ((1 << X_STEP_BIT) | (1 << Y_STEP_BIT) | (1 << Z_STEP_BIT)) // All step bits
// Define step direction output pins. NOTE: All direction pins must be on the same port.
#define DIRECTION_DDR DDRD
#define DIRECTION_PORT PORTD
#define X_DIRECTION_BIT 5 // Uno Digital Pin 5
#define Y_DIRECTION_BIT 6 // Uno Digital Pin 6
#define Z_DIRECTION_BIT 7 // Uno Digital Pin 7
#define DIRECTION_MASK ((1<<X_DIRECTION_BIT)|(1<<Y_DIRECTION_BIT)|(1<<Z_DIRECTION_BIT)) // All direction bits
// Define step direction output pins. NOTE: All direction pins must be on the same port.
#define DIRECTION_DDR DDRD
#define DIRECTION_PORT PORTD
#define X_DIRECTION_BIT 5 // Uno Digital Pin 5
#define Y_DIRECTION_BIT 6 // Uno Digital Pin 6
#define Z_DIRECTION_BIT 7 // Uno Digital Pin 7
#define DIRECTION_MASK ((1 << X_DIRECTION_BIT) | (1 << Y_DIRECTION_BIT) | (1 << Z_DIRECTION_BIT)) // All direction bits
// Define stepper driver enable/disable output pin.
#define STEPPERS_DISABLE_DDR DDRB
#define STEPPERS_DISABLE_PORT PORTB
#define STEPPERS_DISABLE_BIT 0 // Uno Digital Pin 8
#define STEPPERS_DISABLE_MASK (1<<STEPPERS_DISABLE_BIT)
// Define stepper driver enable/disable output pin.
#define STEPPERS_DISABLE_DDR DDRB
#define STEPPERS_DISABLE_PORT PORTB
#define STEPPERS_DISABLE_BIT 0 // Uno Digital Pin 8
#define STEPPERS_DISABLE_MASK (1 << STEPPERS_DISABLE_BIT)
// Define homing/hard limit switch input pins and limit interrupt vectors.
// NOTE: All limit bit pins must be on the same port, but not on a port with other input pins (CONTROL).
#define LIMIT_DDR DDRB
#define LIMIT_PIN PINB
#define LIMIT_PORT PORTB
#define X_LIMIT_BIT 1 // Uno Digital Pin 9
#define Y_LIMIT_BIT 2 // Uno Digital Pin 10
#ifdef VARIABLE_SPINDLE // Z Limit pin and spindle enabled swapped to access hardware PWM on Pin 11.
#define Z_LIMIT_BIT 4 // Uno Digital Pin 12
#else
#define Z_LIMIT_BIT 3 // Uno Digital Pin 11
#endif
#if !defined(ENABLE_DUAL_AXIS)
#define LIMIT_MASK ((1<<X_LIMIT_BIT)|(1<<Y_LIMIT_BIT)|(1<<Z_LIMIT_BIT)) // All limit bits
#endif
#define LIMIT_INT PCIE0 // Pin change interrupt enable pin
#define LIMIT_INT_vect PCINT0_vect
#define LIMIT_PCMSK PCMSK0 // Pin change interrupt register
// Define homing/hard limit switch input pins and limit interrupt vectors.
// NOTE: All limit bit pins must be on the same port, but not on a port with other input pins (CONTROL).
#define LIMIT_DDR DDRB
#define LIMIT_PIN PINB
#define LIMIT_PORT PORTB
#define X_LIMIT_BIT 1 // Uno Digital Pin 9
#define Y_LIMIT_BIT 2 // Uno Digital Pin 10
#ifdef VARIABLE_SPINDLE // Z Limit pin and spindle enabled swapped to access hardware PWM on Pin 11.
#define Z_LIMIT_BIT 4 // Uno Digital Pin 12
#else
#define Z_LIMIT_BIT 3 // Uno Digital Pin 11
#endif
#if !defined(ENABLE_DUAL_AXIS)
#define LIMIT_MASK ((1 << X_LIMIT_BIT) | (1 << Y_LIMIT_BIT) | (1 << Z_LIMIT_BIT)) // All limit bits
#endif
#define LIMIT_INT PCIE0 // Pin change interrupt enable pin
#define LIMIT_INT_vect PCINT0_vect
#define LIMIT_PCMSK PCMSK0 // Pin change interrupt register
// Define user-control controls (cycle start, reset, feed hold) input pins.
// NOTE: All CONTROLs pins must be on the same port and not on a port with other input pins (limits).
#define CONTROL_DDR DDRC
#define CONTROL_PIN PINC
#define CONTROL_PORT PORTC
#define CONTROL_RESET_BIT 0 // Uno Analog Pin 0
#define CONTROL_FEED_HOLD_BIT 1 // Uno Analog Pin 1
#define CONTROL_CYCLE_START_BIT 2 // Uno Analog Pin 2
#define CONTROL_SAFETY_DOOR_BIT 1 // Uno Analog Pin 1 NOTE: Safety door is shared with feed hold. Enabled by config define.
#define CONTROL_INT PCIE1 // Pin change interrupt enable pin
#define CONTROL_INT_vect PCINT1_vect
#define CONTROL_PCMSK PCMSK1 // Pin change interrupt register
#define CONTROL_MASK ((1<<CONTROL_RESET_BIT)|(1<<CONTROL_FEED_HOLD_BIT)|(1<<CONTROL_CYCLE_START_BIT)|(1<<CONTROL_SAFETY_DOOR_BIT))
#define CONTROL_INVERT_MASK CONTROL_MASK // May be re-defined to only invert certain control pins.
// Define user-control controls (cycle start, reset, feed hold) input pins.
// NOTE: All CONTROLs pins must be on the same port and not on a port with other input pins (limits).
#define CONTROL_DDR DDRC
#define CONTROL_PIN PINC
#define CONTROL_PORT PORTC
#define CONTROL_RESET_BIT 0 // Uno Analog Pin 0
#define CONTROL_FEED_HOLD_BIT 1 // Uno Analog Pin 1
#define CONTROL_CYCLE_START_BIT 2 // Uno Analog Pin 2
#define CONTROL_SAFETY_DOOR_BIT \
1 // Uno Analog Pin 1 NOTE: Safety door is shared with feed hold. Enabled by config define.
#define CONTROL_INT PCIE1 // Pin change interrupt enable pin
#define CONTROL_INT_vect PCINT1_vect
#define CONTROL_PCMSK PCMSK1 // Pin change interrupt register
#define CONTROL_MASK \
((1 << CONTROL_RESET_BIT) | (1 << CONTROL_FEED_HOLD_BIT) | (1 << CONTROL_CYCLE_START_BIT) | \
(1 << CONTROL_SAFETY_DOOR_BIT))
#define CONTROL_INVERT_MASK CONTROL_MASK // May be re-defined to only invert certain control pins.
// Define probe switch input pin.
#define PROBE_DDR DDRC
#define PROBE_PIN PINC
#define PROBE_PORT PORTC
#define PROBE_BIT 5 // Uno Analog Pin 5
#define PROBE_MASK (1<<PROBE_BIT)
// Define probe switch input pin.
#define PROBE_DDR DDRC
#define PROBE_PIN PINC
#define PROBE_PORT PORTC
#define PROBE_BIT 5 // Uno Analog Pin 5
#define PROBE_MASK (1 << PROBE_BIT)
#if !defined(ENABLE_DUAL_AXIS)
#if !defined(ENABLE_DUAL_AXIS)
// Define flood and mist coolant enable output pins.
#define COOLANT_FLOOD_DDR DDRC
#define COOLANT_FLOOD_PORT PORTC
#define COOLANT_FLOOD_BIT 3 // Uno Analog Pin 3
#define COOLANT_MIST_DDR DDRC
#define COOLANT_MIST_PORT PORTC
#define COOLANT_MIST_BIT 4 // Uno Analog Pin 4
// Define flood and mist coolant enable output pins.
#define COOLANT_FLOOD_DDR DDRC
#define COOLANT_FLOOD_PORT PORTC
#define COOLANT_FLOOD_BIT 3 // Uno Analog Pin 3
#define COOLANT_MIST_DDR DDRC
#define COOLANT_MIST_PORT PORTC
#define COOLANT_MIST_BIT 4 // Uno Analog Pin 4
// Define spindle enable and spindle direction output pins.
#define SPINDLE_ENABLE_DDR DDRB
#define SPINDLE_ENABLE_PORT PORTB
// Z Limit pin and spindle PWM/enable pin swapped to access hardware PWM on Pin 11.
#ifdef VARIABLE_SPINDLE
#ifdef USE_SPINDLE_DIR_AS_ENABLE_PIN
// If enabled, spindle direction pin now used as spindle enable, while PWM remains on D11.
#define SPINDLE_ENABLE_BIT 5 // Uno Digital Pin 13 (NOTE: D13 can't be pulled-high input due to LED.)
#else
#define SPINDLE_ENABLE_BIT 3 // Uno Digital Pin 11
#endif
#else
#define SPINDLE_ENABLE_BIT 4 // Uno Digital Pin 12
#endif
#ifndef USE_SPINDLE_DIR_AS_ENABLE_PIN
#define SPINDLE_DIRECTION_DDR DDRB
#define SPINDLE_DIRECTION_PORT PORTB
#define SPINDLE_DIRECTION_BIT 5 // Uno Digital Pin 13 (NOTE: D13 can't be pulled-high input due to LED.)
#endif
// Define spindle enable and spindle direction output pins.
#define SPINDLE_ENABLE_DDR DDRB
#define SPINDLE_ENABLE_PORT PORTB
// Z Limit pin and spindle PWM/enable pin swapped to access hardware PWM on Pin 11.
#ifdef VARIABLE_SPINDLE
#ifdef USE_SPINDLE_DIR_AS_ENABLE_PIN
// If enabled, spindle direction pin now used as spindle enable, while PWM remains on D11.
#define SPINDLE_ENABLE_BIT 5 // Uno Digital Pin 13 (NOTE: D13 can't be pulled-high input due to LED.)
#else
#define SPINDLE_ENABLE_BIT 3 // Uno Digital Pin 11
#endif
#else
#define SPINDLE_ENABLE_BIT 4 // Uno Digital Pin 12
#endif
#ifndef USE_SPINDLE_DIR_AS_ENABLE_PIN
#define SPINDLE_DIRECTION_DDR DDRB
#define SPINDLE_DIRECTION_PORT PORTB
#define SPINDLE_DIRECTION_BIT 5 // Uno Digital Pin 13 (NOTE: D13 can't be pulled-high input due to LED.)
#endif
// Variable spindle configuration below. Do not change unless you know what you are doing.
// NOTE: Only used when variable spindle is enabled.
#define SPINDLE_PWM_MAX_VALUE 255 // Don't change. 328p fast PWM mode fixes top value as 255.
#ifndef SPINDLE_PWM_MIN_VALUE
#define SPINDLE_PWM_MIN_VALUE 1 // Must be greater than zero.
#endif
#define SPINDLE_PWM_OFF_VALUE 0
#define SPINDLE_PWM_RANGE (SPINDLE_PWM_MAX_VALUE-SPINDLE_PWM_MIN_VALUE)
#define SPINDLE_TCCRA_REGISTER TCCR2A
#define SPINDLE_TCCRB_REGISTER TCCR2B
#define SPINDLE_OCR_REGISTER OCR2A
#define SPINDLE_COMB_BIT COM2A1
// Variable spindle configuration below. Do not change unless you know what you are doing.
// NOTE: Only used when variable spindle is enabled.
#define SPINDLE_PWM_MAX_VALUE 255 // Don't change. 328p fast PWM mode fixes top value as 255.
#ifndef SPINDLE_PWM_MIN_VALUE
#define SPINDLE_PWM_MIN_VALUE 1 // Must be greater than zero.
#endif
#define SPINDLE_PWM_OFF_VALUE 0
#define SPINDLE_PWM_RANGE (SPINDLE_PWM_MAX_VALUE - SPINDLE_PWM_MIN_VALUE)
#define SPINDLE_TCCRA_REGISTER TCCR2A
#define SPINDLE_TCCRB_REGISTER TCCR2B
#define SPINDLE_OCR_REGISTER OCR2A
#define SPINDLE_COMB_BIT COM2A1
// Prescaled, 8-bit Fast PWM mode.
#define SPINDLE_TCCRA_INIT_MASK ((1<<WGM20) | (1<<WGM21)) // Configures fast PWM mode.
// #define SPINDLE_TCCRB_INIT_MASK (1<<CS20) // Disable prescaler -> 62.5kHz
// #define SPINDLE_TCCRB_INIT_MASK (1<<CS21) // 1/8 prescaler -> 7.8kHz (Used in v0.9)
// #define SPINDLE_TCCRB_INIT_MASK ((1<<CS21) | (1<<CS20)) // 1/32 prescaler -> 1.96kHz
#define SPINDLE_TCCRB_INIT_MASK (1<<CS22) // 1/64 prescaler -> 0.98kHz (J-tech laser)
// Prescaled, 8-bit Fast PWM mode.
#define SPINDLE_TCCRA_INIT_MASK ((1 << WGM20) | (1 << WGM21)) // Configures fast PWM mode.
// #define SPINDLE_TCCRB_INIT_MASK (1<<CS20) // Disable prescaler -> 62.5kHz
// #define SPINDLE_TCCRB_INIT_MASK (1<<CS21) // 1/8 prescaler -> 7.8kHz (Used in v0.9)
// #define SPINDLE_TCCRB_INIT_MASK ((1<<CS21) | (1<<CS20)) // 1/32 prescaler -> 1.96kHz
#define SPINDLE_TCCRB_INIT_MASK (1 << CS22) // 1/64 prescaler -> 0.98kHz (J-tech laser)
// NOTE: On the 328p, these must be the same as the SPINDLE_ENABLE settings.
#define SPINDLE_PWM_DDR DDRB
#define SPINDLE_PWM_PORT PORTB
#define SPINDLE_PWM_BIT 3 // Uno Digital Pin 11
#else
// NOTE: On the 328p, these must be the same as the SPINDLE_ENABLE settings.
#define SPINDLE_PWM_DDR DDRB
#define SPINDLE_PWM_PORT PORTB
#define SPINDLE_PWM_BIT 3 // Uno Digital Pin 11
// Dual axis feature requires an independent step pulse pin to operate. The independent direction pin is not
// absolutely necessary but facilitates easy direction inverting with a Grbl $$ setting. These pins replace
// the spindle direction and optional coolant mist pins.
#else
#ifdef DUAL_AXIS_CONFIG_PROTONEER_V3_51
// NOTE: Step pulse and direction pins may be on any port and output pin.
#define STEP_DDR_DUAL DDRC
#define STEP_PORT_DUAL PORTC
#define DUAL_STEP_BIT 4 // Uno Analog Pin 4
#define STEP_MASK_DUAL ((1<<DUAL_STEP_BIT))
#define DIRECTION_DDR_DUAL DDRC
#define DIRECTION_PORT_DUAL PORTC
#define DUAL_DIRECTION_BIT 3 // Uno Analog Pin 3
#define DIRECTION_MASK_DUAL ((1<<DUAL_DIRECTION_BIT))
// Dual axis feature requires an independent step pulse pin to operate. The independent direction pin is not
// absolutely necessary but facilitates easy direction inverting with a Grbl $$ setting. These pins replace
// the spindle direction and optional coolant mist pins.
// NOTE: Dual axis limit is shared with the z-axis limit pin by default. Pin used must be on the same port
// as other limit pins.
#define DUAL_LIMIT_BIT Z_LIMIT_BIT
#define LIMIT_MASK ((1<<X_LIMIT_BIT)|(1<<Y_LIMIT_BIT)|(1<<Z_LIMIT_BIT)|(1<<DUAL_LIMIT_BIT))
#ifdef DUAL_AXIS_CONFIG_PROTONEER_V3_51
// NOTE: Step pulse and direction pins may be on any port and output pin.
#define STEP_DDR_DUAL DDRC
#define STEP_PORT_DUAL PORTC
#define DUAL_STEP_BIT 4 // Uno Analog Pin 4
#define STEP_MASK_DUAL ((1 << DUAL_STEP_BIT))
#define DIRECTION_DDR_DUAL DDRC
#define DIRECTION_PORT_DUAL PORTC
#define DUAL_DIRECTION_BIT 3 // Uno Analog Pin 3
#define DIRECTION_MASK_DUAL ((1 << DUAL_DIRECTION_BIT))
// Define coolant enable output pins.
// NOTE: Coolant flood moved from A3 to A4. Coolant mist not supported with dual axis feature on Arduino Uno.
#define COOLANT_FLOOD_DDR DDRB
#define COOLANT_FLOOD_PORT PORTB
#define COOLANT_FLOOD_BIT 5 // Uno Digital Pin 13
// NOTE: Dual axis limit is shared with the z-axis limit pin by default. Pin used must be on the same port
// as other limit pins.
#define DUAL_LIMIT_BIT Z_LIMIT_BIT
#define LIMIT_MASK ((1 << X_LIMIT_BIT) | (1 << Y_LIMIT_BIT) | (1 << Z_LIMIT_BIT) | (1 << DUAL_LIMIT_BIT))
// Define spindle enable output pin.
// NOTE: Spindle enable moved from D12 to A3 (old coolant flood enable pin). Spindle direction pin is removed.
#define SPINDLE_ENABLE_DDR DDRB
#define SPINDLE_ENABLE_PORT PORTB
#ifdef VARIABLE_SPINDLE
// NOTE: USE_SPINDLE_DIR_AS_ENABLE_PIN not supported with dual axis feature.
#define SPINDLE_ENABLE_BIT 3 // Uno Digital Pin 11
#else
#define SPINDLE_ENABLE_BIT 4 // Uno Digital Pin 12
#endif
// Define coolant enable output pins.
// NOTE: Coolant flood moved from A3 to A4. Coolant mist not supported with dual axis feature on Arduino Uno.
#define COOLANT_FLOOD_DDR DDRB
#define COOLANT_FLOOD_PORT PORTB
#define COOLANT_FLOOD_BIT 5 // Uno Digital Pin 13
// Variable spindle configuration below. Do not change unless you know what you are doing.
// NOTE: Only used when variable spindle is enabled.
#define SPINDLE_PWM_MAX_VALUE 255 // Don't change. 328p fast PWM mode fixes top value as 255.
#ifndef SPINDLE_PWM_MIN_VALUE
#define SPINDLE_PWM_MIN_VALUE 1 // Must be greater than zero.
#endif
#define SPINDLE_PWM_OFF_VALUE 0
#define SPINDLE_PWM_RANGE (SPINDLE_PWM_MAX_VALUE-SPINDLE_PWM_MIN_VALUE)
#define SPINDLE_TCCRA_REGISTER TCCR2A
#define SPINDLE_TCCRB_REGISTER TCCR2B
#define SPINDLE_OCR_REGISTER OCR2A
#define SPINDLE_COMB_BIT COM2A1
// Define spindle enable output pin.
// NOTE: Spindle enable moved from D12 to A3 (old coolant flood enable pin). Spindle direction pin is removed.
#define SPINDLE_ENABLE_DDR DDRB
#define SPINDLE_ENABLE_PORT PORTB
#ifdef VARIABLE_SPINDLE
// NOTE: USE_SPINDLE_DIR_AS_ENABLE_PIN not supported with dual axis feature.
#define SPINDLE_ENABLE_BIT 3 // Uno Digital Pin 11
#else
#define SPINDLE_ENABLE_BIT 4 // Uno Digital Pin 12
#endif
// Prescaled, 8-bit Fast PWM mode.
#define SPINDLE_TCCRA_INIT_MASK ((1<<WGM20) | (1<<WGM21)) // Configures fast PWM mode.
// #define SPINDLE_TCCRB_INIT_MASK (1<<CS20) // Disable prescaler -> 62.5kHz
// #define SPINDLE_TCCRB_INIT_MASK (1<<CS21) // 1/8 prescaler -> 7.8kHz (Used in v0.9)
// #define SPINDLE_TCCRB_INIT_MASK ((1<<CS21) | (1<<CS20)) // 1/32 prescaler -> 1.96kHz
#define SPINDLE_TCCRB_INIT_MASK (1<<CS22) // 1/64 prescaler -> 0.98kHz (J-tech laser)
// Variable spindle configuration below. Do not change unless you know what you are doing.
// NOTE: Only used when variable spindle is enabled.
#define SPINDLE_PWM_MAX_VALUE 255 // Don't change. 328p fast PWM mode fixes top value as 255.
#ifndef SPINDLE_PWM_MIN_VALUE
#define SPINDLE_PWM_MIN_VALUE 1 // Must be greater than zero.
#endif
#define SPINDLE_PWM_OFF_VALUE 0
#define SPINDLE_PWM_RANGE (SPINDLE_PWM_MAX_VALUE - SPINDLE_PWM_MIN_VALUE)
#define SPINDLE_TCCRA_REGISTER TCCR2A
#define SPINDLE_TCCRB_REGISTER TCCR2B
#define SPINDLE_OCR_REGISTER OCR2A
#define SPINDLE_COMB_BIT COM2A1
// NOTE: On the 328p, these must be the same as the SPINDLE_ENABLE settings.
#define SPINDLE_PWM_DDR DDRB
#define SPINDLE_PWM_PORT PORTB
#define SPINDLE_PWM_BIT 3 // Uno Digital Pin 11
#endif
// Prescaled, 8-bit Fast PWM mode.
#define SPINDLE_TCCRA_INIT_MASK ((1 << WGM20) | (1 << WGM21)) // Configures fast PWM mode.
// #define SPINDLE_TCCRB_INIT_MASK (1<<CS20) // Disable prescaler -> 62.5kHz
// #define SPINDLE_TCCRB_INIT_MASK (1<<CS21) // 1/8 prescaler -> 7.8kHz (Used in v0.9)
// #define SPINDLE_TCCRB_INIT_MASK ((1<<CS21) | (1<<CS20)) // 1/32 prescaler -> 1.96kHz
#define SPINDLE_TCCRB_INIT_MASK (1 << CS22) // 1/64 prescaler -> 0.98kHz (J-tech laser)
// NOTE: Variable spindle not supported with this shield.
#ifdef DUAL_AXIS_CONFIG_CNC_SHIELD_CLONE
// NOTE: Step pulse and direction pins may be on any port and output pin.
#define STEP_DDR_DUAL DDRB
#define STEP_PORT_DUAL PORTB
#define DUAL_STEP_BIT 4 // Uno Digital Pin 12
#define STEP_MASK_DUAL ((1<<DUAL_STEP_BIT))
#define DIRECTION_DDR_DUAL DDRB
#define DIRECTION_PORT_DUAL PORTB
#define DUAL_DIRECTION_BIT 5 // Uno Digital Pin 13
#define DIRECTION_MASK_DUAL ((1<<DUAL_DIRECTION_BIT))
// NOTE: On the 328p, these must be the same as the SPINDLE_ENABLE settings.
#define SPINDLE_PWM_DDR DDRB
#define SPINDLE_PWM_PORT PORTB
#define SPINDLE_PWM_BIT 3 // Uno Digital Pin 11
#endif
// NOTE: Dual axis limit is shared with the z-axis limit pin by default.
#define DUAL_LIMIT_BIT Z_LIMIT_BIT
#define LIMIT_MASK ((1<<X_LIMIT_BIT)|(1<<Y_LIMIT_BIT)|(1<<Z_LIMIT_BIT)|(1<<DUAL_LIMIT_BIT))
// NOTE: Variable spindle not supported with this shield.
#ifdef DUAL_AXIS_CONFIG_CNC_SHIELD_CLONE
// NOTE: Step pulse and direction pins may be on any port and output pin.
#define STEP_DDR_DUAL DDRB
#define STEP_PORT_DUAL PORTB
#define DUAL_STEP_BIT 4 // Uno Digital Pin 12
#define STEP_MASK_DUAL ((1 << DUAL_STEP_BIT))
#define DIRECTION_DDR_DUAL DDRB
#define DIRECTION_PORT_DUAL PORTB
#define DUAL_DIRECTION_BIT 5 // Uno Digital Pin 13
#define DIRECTION_MASK_DUAL ((1 << DUAL_DIRECTION_BIT))
// Define coolant enable output pins.
// NOTE: Coolant flood moved from A3 to A4. Coolant mist not supported with dual axis feature on Arduino Uno.
#define COOLANT_FLOOD_DDR DDRC
#define COOLANT_FLOOD_PORT PORTC
#define COOLANT_FLOOD_BIT 4 // Uno Analog Pin 4
// NOTE: Dual axis limit is shared with the z-axis limit pin by default.
#define DUAL_LIMIT_BIT Z_LIMIT_BIT
#define LIMIT_MASK ((1 << X_LIMIT_BIT) | (1 << Y_LIMIT_BIT) | (1 << Z_LIMIT_BIT) | (1 << DUAL_LIMIT_BIT))
// Define spindle enable output pin.
// NOTE: Spindle enable moved from D12 to A3 (old coolant flood enable pin). Spindle direction pin is removed.
#define SPINDLE_ENABLE_DDR DDRC
#define SPINDLE_ENABLE_PORT PORTC
#define SPINDLE_ENABLE_BIT 3 // Uno Analog Pin 3
#endif
// Define coolant enable output pins.
// NOTE: Coolant flood moved from A3 to A4. Coolant mist not supported with dual axis feature on Arduino Uno.
#define COOLANT_FLOOD_DDR DDRC
#define COOLANT_FLOOD_PORT PORTC
#define COOLANT_FLOOD_BIT 4 // Uno Analog Pin 4
#endif
// Define spindle enable output pin.
// NOTE: Spindle enable moved from D12 to A3 (old coolant flood enable pin). Spindle direction pin is removed.
#define SPINDLE_ENABLE_DDR DDRC
#define SPINDLE_ENABLE_PORT PORTC
#define SPINDLE_ENABLE_BIT 3 // Uno Analog Pin 3
#endif
#endif
#endif