kopia lustrzana https://github.com/gnea/grbl
Merge branch 'cnc_shield_4.0_nano'
Paweł Seledec
commit
41af155470
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@ -36,6 +36,7 @@
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// If doing so, simply comment out these two defines and see instructions below.
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#define DEFAULTS_GENERIC
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#define CPU_MAP_ATMEGA328P // Arduino Uno CPU
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// #define CPU_MAP_ATMEGA328P_NANO_V4 // Arduino Nano CPU - shield v4
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// Serial baud rate
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// #define BAUD_RATE 230400
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@ -63,7 +63,7 @@
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#define X_LIMIT_BIT 1 // Uno Digital Pin 9
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#define Y_LIMIT_BIT 2 // Uno Digital Pin 10
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#ifdef VARIABLE_SPINDLE // Z Limit pin and spindle enabled swapped to access hardware PWM on Pin 11.
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#define Z_LIMIT_BIT 4 // Uno Digital Pin 12
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#define Z_LIMIT_BIT 4 // Uno Digital Pin 12
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#else
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#define Z_LIMIT_BIT 3 // Uno Digital Pin 11
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#endif
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@ -149,12 +149,12 @@
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// NOTE: On the 328p, these must be the same as the SPINDLE_ENABLE settings.
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#define SPINDLE_PWM_DDR DDRB
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#define SPINDLE_PWM_PORT PORTB
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#define SPINDLE_PWM_BIT 3 // Uno Digital Pin 11
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#define SPINDLE_PWM_BIT 3 // Uno Digital Pin 11
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#else
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// Dual axis feature requires an independent step pulse pin to operate. The independent direction pin is not
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// absolutely necessary but facilitates easy direction inverting with a Grbl $$ setting. These pins replace
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// Dual axis feature requires an independent step pulse pin to operate. The independent direction pin is not
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// absolutely necessary but facilitates easy direction inverting with a Grbl $$ setting. These pins replace
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// the spindle direction and optional coolant mist pins.
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#ifdef DUAL_AXIS_CONFIG_PROTONEER_V3_51
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@ -213,7 +213,7 @@
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// NOTE: On the 328p, these must be the same as the SPINDLE_ENABLE settings.
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#define SPINDLE_PWM_DDR DDRB
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#define SPINDLE_PWM_PORT PORTB
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#define SPINDLE_PWM_BIT 3 // Uno Digital Pin 11
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#define SPINDLE_PWM_BIT 3 // Uno Digital Pin 11
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#endif
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// NOTE: Variable spindle not supported with this shield.
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@ -221,7 +221,7 @@
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// NOTE: Step pulse and direction pins may be on any port and output pin.
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#define STEP_DDR_DUAL DDRB
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#define STEP_PORT_DUAL PORTB
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#define DUAL_STEP_BIT 4 // Uno Digital Pin 12
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#define DUAL_STEP_BIT 4 // Uno Digital Pin 12
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#define STEP_MASK_DUAL ((1<<DUAL_STEP_BIT))
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#define DIRECTION_DDR_DUAL DDRB
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#define DIRECTION_PORT_DUAL PORTB
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@ -249,6 +249,228 @@
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#endif
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#ifdef CPU_MAP_ATMEGA328P_NANO_V4 // (Arduino Nano shield v4.0)
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// Define serial port pins and interrupt vectors.
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#define SERIAL_RX USART_RX_vect
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#define SERIAL_UDRE USART_UDRE_vect
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// Define step pulse output pins. NOTE: All step bit pins must be on the same port.
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#define STEP_DDR DDRD
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#define STEP_PORT PORTD
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#define X_STEP_BIT 5 // Nano Digital Pin 5
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#define Y_STEP_BIT 6 // Nano Digital Pin 6
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#define Z_STEP_BIT 7 // Nano Digital Pin 7
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#define STEP_MASK ((1<<X_STEP_BIT)|(1<<Y_STEP_BIT)|(1<<Z_STEP_BIT)) // All step bits
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// Define step direction output pins. NOTE: All direction pins must be on the same port.
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#define DIRECTION_DDR DDRD
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#define DIRECTION_PORT PORTD
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#define X_DIRECTION_BIT 2 // Nano Digital Pin 2
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#define Y_DIRECTION_BIT 3 // Nano Digital Pin 3
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#define Z_DIRECTION_BIT 4 // Nano Digital Pin 4
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#define DIRECTION_MASK ((1<<X_DIRECTION_BIT)|(1<<Y_DIRECTION_BIT)|(1<<Z_DIRECTION_BIT)) // All direction bits
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// Define stepper driver enable/disable output pin.
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#define STEPPERS_DISABLE_DDR DDRB
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#define STEPPERS_DISABLE_PORT PORTB
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#define STEPPERS_DISABLE_BIT 0 // Nano Digital Pin 8
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#define STEPPERS_DISABLE_MASK (1<<STEPPERS_DISABLE_BIT)
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// Define homing/hard limit switch input pins and limit interrupt vectors.
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// NOTE: All limit bit pins must be on the same port, but not on a port with other input pins (CONTROL).
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#define LIMIT_DDR DDRB
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#define LIMIT_PIN PINB
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#define LIMIT_PORT PORTB
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#define X_LIMIT_BIT 1 // Nano Digital Pin 9
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#define Y_LIMIT_BIT 2 // Nano Digital Pin 10
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#ifdef VARIABLE_SPINDLE // Z Limit pin and spindle enabled swapped to access hardware PWM on Pin 11.
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#define Z_LIMIT_BIT 4 // Nano Digital Pin 12
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#else
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#define Z_LIMIT_BIT 3 // Nano Digital Pin 11
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#endif
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#if !defined(ENABLE_DUAL_AXIS)
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#define LIMIT_MASK ((1<<X_LIMIT_BIT)|(1<<Y_LIMIT_BIT)|(1<<Z_LIMIT_BIT)) // All limit bits
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#endif
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#define LIMIT_INT PCIE0 // Pin change interrupt enable pin
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#define LIMIT_INT_vect PCINT0_vect
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#define LIMIT_PCMSK PCMSK0 // Pin change interrupt register
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// Define user-control controls (cycle start, reset, feed hold) input pins.
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// NOTE: All CONTROLs pins must be on the same port and not on a port with other input pins (limits).
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#define CONTROL_DDR DDRC
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#define CONTROL_PIN PINC
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#define CONTROL_PORT PORTC
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#define CONTROL_RESET_BIT 0 // Nano Analog Pin 0
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#define CONTROL_FEED_HOLD_BIT 1 // Nano Analog Pin 1
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#define CONTROL_CYCLE_START_BIT 2 // Nano Analog Pin 2
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#define CONTROL_SAFETY_DOOR_BIT 1 // Nano Analog Pin 1 NOTE: Safety door is shared with feed hold. Enabled by config define.
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#define CONTROL_INT PCIE1 // Pin change interrupt enable pin
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#define CONTROL_INT_vect PCINT1_vect
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#define CONTROL_PCMSK PCMSK1 // Pin change interrupt register
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#define CONTROL_MASK ((1<<CONTROL_RESET_BIT)|(1<<CONTROL_FEED_HOLD_BIT)|(1<<CONTROL_CYCLE_START_BIT)|(1<<CONTROL_SAFETY_DOOR_BIT))
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#define CONTROL_INVERT_MASK CONTROL_MASK // May be re-defined to only invert certain control pins.
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// Define probe switch input pin.
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#define PROBE_DDR DDRC
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#define PROBE_PIN PINC
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#define PROBE_PORT PORTC
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#define PROBE_BIT 5 // Nano Analog Pin 5
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#define PROBE_MASK (1<<PROBE_BIT)
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#if !defined(ENABLE_DUAL_AXIS)
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// Define flood and mist coolant enable output pins.
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#define COOLANT_FLOOD_DDR DDRC
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#define COOLANT_FLOOD_PORT PORTC
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#define COOLANT_FLOOD_BIT 3 // Nano Analog Pin 3
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#define COOLANT_MIST_DDR DDRC
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#define COOLANT_MIST_PORT PORTC
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#define COOLANT_MIST_BIT 4 // Nano Analog Pin 4
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// Define spindle enable and spindle direction output pins.
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#define SPINDLE_ENABLE_DDR DDRB
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#define SPINDLE_ENABLE_PORT PORTB
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// Z Limit pin and spindle PWM/enable pin swapped to access hardware PWM on Pin 11.
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#ifdef VARIABLE_SPINDLE
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#ifdef USE_SPINDLE_DIR_AS_ENABLE_PIN
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// If enabled, spindle direction pin now used as spindle enable, while PWM remains on D11.
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#define SPINDLE_ENABLE_BIT 5 // Nano Digital Pin 13 (NOTE: D13 can't be pulled-high input due to LED.)
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#else
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#define SPINDLE_ENABLE_BIT 3 // Nano Digital Pin 11
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#endif
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#else
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#define SPINDLE_ENABLE_BIT 4 // Nano Digital Pin 12
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#endif
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#ifndef USE_SPINDLE_DIR_AS_ENABLE_PIN
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#define SPINDLE_DIRECTION_DDR DDRB
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#define SPINDLE_DIRECTION_PORT PORTB
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#define SPINDLE_DIRECTION_BIT 5 // Nano Digital Pin 13 (NOTE: D13 can't be pulled-high input due to LED.)
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#endif
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// Variable spindle configuration below. Do not change unless you know what you are doing.
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// NOTE: Only used when variable spindle is enabled.
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#define SPINDLE_PWM_MAX_VALUE 255 // Don't change. 328p fast PWM mode fixes top value as 255.
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#ifndef SPINDLE_PWM_MIN_VALUE
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#define SPINDLE_PWM_MIN_VALUE 1 // Must be greater than zero.
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#endif
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#define SPINDLE_PWM_OFF_VALUE 0
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#define SPINDLE_PWM_RANGE (SPINDLE_PWM_MAX_VALUE-SPINDLE_PWM_MIN_VALUE)
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#define SPINDLE_TCCRA_REGISTER TCCR2A
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#define SPINDLE_TCCRB_REGISTER TCCR2B
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#define SPINDLE_OCR_REGISTER OCR2A
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#define SPINDLE_COMB_BIT COM2A1
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// Prescaled, 8-bit Fast PWM mode.
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#define SPINDLE_TCCRA_INIT_MASK ((1<<WGM20) | (1<<WGM21)) // Configures fast PWM mode.
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// #define SPINDLE_TCCRB_INIT_MASK (1<<CS20) // Disable prescaler -> 62.5kHz
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// #define SPINDLE_TCCRB_INIT_MASK (1<<CS21) // 1/8 prescaler -> 7.8kHz (Used in v0.9)
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// #define SPINDLE_TCCRB_INIT_MASK ((1<<CS21) | (1<<CS20)) // 1/32 prescaler -> 1.96kHz
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#define SPINDLE_TCCRB_INIT_MASK (1<<CS22) // 1/64 prescaler -> 0.98kHz (J-tech laser)
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// NOTE: On the 328p, these must be the same as the SPINDLE_ENABLE settings.
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#define SPINDLE_PWM_DDR DDRB
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#define SPINDLE_PWM_PORT PORTB
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#define SPINDLE_PWM_BIT 3 // Nano Digital Pin 11
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#else
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// Dual axis feature requires an independent step pulse pin to operate. The independent direction pin is not
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// absolutely necessary but facilitates easy direction inverting with a Grbl $$ setting. These pins replace
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// the spindle direction and optional coolant mist pins.
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#ifdef DUAL_AXIS_CONFIG_PROTONEER_V3_51
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// NOTE: Step pulse and direction pins may be on any port and output pin.
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#define STEP_DDR_DUAL DDRC
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#define STEP_PORT_DUAL PORTC
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#define DUAL_STEP_BIT 4 // Nano Analog Pin 4
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#define STEP_MASK_DUAL ((1<<DUAL_STEP_BIT))
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#define DIRECTION_DDR_DUAL DDRC
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#define DIRECTION_PORT_DUAL PORTC
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#define DUAL_DIRECTION_BIT 3 // Nano Analog Pin 3
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#define DIRECTION_MASK_DUAL ((1<<DUAL_DIRECTION_BIT))
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// NOTE: Dual axis limit is shared with the z-axis limit pin by default. Pin used must be on the same port
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// as other limit pins.
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#define DUAL_LIMIT_BIT Z_LIMIT_BIT
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#define LIMIT_MASK ((1<<X_LIMIT_BIT)|(1<<Y_LIMIT_BIT)|(1<<Z_LIMIT_BIT)|(1<<DUAL_LIMIT_BIT))
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// Define coolant enable output pins.
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// NOTE: Coolant flood moved from A3 to A4. Coolant mist not supported with dual axis feature on Arduino Nano.
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#define COOLANT_FLOOD_DDR DDRB
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#define COOLANT_FLOOD_PORT PORTB
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#define COOLANT_FLOOD_BIT 5 // Nano Digital Pin 13
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// Define spindle enable output pin.
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// NOTE: Spindle enable moved from D12 to A3 (old coolant flood enable pin). Spindle direction pin is removed.
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#define SPINDLE_ENABLE_DDR DDRB
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#define SPINDLE_ENABLE_PORT PORTB
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#ifdef VARIABLE_SPINDLE
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// NOTE: USE_SPINDLE_DIR_AS_ENABLE_PIN not supported with dual axis feature.
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#define SPINDLE_ENABLE_BIT 3 // Nano Digital Pin 11
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#else
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#define SPINDLE_ENABLE_BIT 4 // Nano Digital Pin 12
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#endif
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// Variable spindle configuration below. Do not change unless you know what you are doing.
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// NOTE: Only used when variable spindle is enabled.
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#define SPINDLE_PWM_MAX_VALUE 255 // Don't change. 328p fast PWM mode fixes top value as 255.
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#ifndef SPINDLE_PWM_MIN_VALUE
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#define SPINDLE_PWM_MIN_VALUE 1 // Must be greater than zero.
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#endif
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#define SPINDLE_PWM_OFF_VALUE 0
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#define SPINDLE_PWM_RANGE (SPINDLE_PWM_MAX_VALUE-SPINDLE_PWM_MIN_VALUE)
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#define SPINDLE_TCCRA_REGISTER TCCR2A
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#define SPINDLE_TCCRB_REGISTER TCCR2B
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#define SPINDLE_OCR_REGISTER OCR2A
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#define SPINDLE_COMB_BIT COM2A1
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// Prescaled, 8-bit Fast PWM mode.
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#define SPINDLE_TCCRA_INIT_MASK ((1<<WGM20) | (1<<WGM21)) // Configures fast PWM mode.
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// #define SPINDLE_TCCRB_INIT_MASK (1<<CS20) // Disable prescaler -> 62.5kHz
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// #define SPINDLE_TCCRB_INIT_MASK (1<<CS21) // 1/8 prescaler -> 7.8kHz (Used in v0.9)
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// #define SPINDLE_TCCRB_INIT_MASK ((1<<CS21) | (1<<CS20)) // 1/32 prescaler -> 1.96kHz
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#define SPINDLE_TCCRB_INIT_MASK (1<<CS22) // 1/64 prescaler -> 0.98kHz (J-tech laser)
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// NOTE: On the 328p, these must be the same as the SPINDLE_ENABLE settings.
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#define SPINDLE_PWM_DDR DDRB
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#define SPINDLE_PWM_PORT PORTB
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#define SPINDLE_PWM_BIT 3 // Nano Digital Pin 11
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#endif
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// NOTE: Variable spindle not supported with this shield.
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#ifdef DUAL_AXIS_CONFIG_CNC_SHIELD_CLONE
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// NOTE: Step pulse and direction pins may be on any port and output pin.
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#define STEP_DDR_DUAL DDRB
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#define STEP_PORT_DUAL PORTB
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#define DUAL_STEP_BIT 4 // Nano Digital Pin 12
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#define STEP_MASK_DUAL ((1<<DUAL_STEP_BIT))
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#define DIRECTION_DDR_DUAL DDRB
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#define DIRECTION_PORT_DUAL PORTB
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#define DUAL_DIRECTION_BIT 5 // Nano Digital Pin 13
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#define DIRECTION_MASK_DUAL ((1<<DUAL_DIRECTION_BIT))
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// NOTE: Dual axis limit is shared with the z-axis limit pin by default.
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#define DUAL_LIMIT_BIT Z_LIMIT_BIT
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#define LIMIT_MASK ((1<<X_LIMIT_BIT)|(1<<Y_LIMIT_BIT)|(1<<Z_LIMIT_BIT)|(1<<DUAL_LIMIT_BIT))
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// Define coolant enable output pins.
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// NOTE: Coolant flood moved from A3 to A4. Coolant mist not supported with dual axis feature on Arduino Nano.
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#define COOLANT_FLOOD_DDR DDRC
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#define COOLANT_FLOOD_PORT PORTC
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#define COOLANT_FLOOD_BIT 4 // Nano Analog Pin 4
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// Define spindle enable output pin.
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// NOTE: Spindle enable moved from D12 to A3 (old coolant flood enable pin). Spindle direction pin is removed.
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#define SPINDLE_ENABLE_DDR DDRC
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#define SPINDLE_ENABLE_PORT PORTC
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#define SPINDLE_ENABLE_BIT 3 // Nano Analog Pin 3
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#endif
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#endif
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#endif
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/*
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#ifdef CPU_MAP_CUSTOM_PROC
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// For a custom pin map or different processor, copy and edit one of the available cpu
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@ -72,8 +72,10 @@
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#error "USE_SPINDLE_DIR_AS_ENABLE_PIN may only be used with VARIABLE_SPINDLE enabled"
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#endif
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#if defined(USE_SPINDLE_DIR_AS_ENABLE_PIN) && !defined(CPU_MAP_ATMEGA328P)
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#error "USE_SPINDLE_DIR_AS_ENABLE_PIN may only be used with a 328p processor"
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#if defined(USE_SPINDLE_DIR_AS_ENABLE_PIN)
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#if !defined(CPU_MAP_ATMEGA328P) && !defined(CPU_MAP_ATMEGA328P_NANO_V4)
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#error "USE_SPINDLE_DIR_AS_ENABLE_PIN may only be used with a 328p processor"
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#endif
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#endif
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#if !defined(USE_SPINDLE_DIR_AS_ENABLE_PIN) && defined(SPINDLE_ENABLE_OFF_WITH_ZERO_SPEED)
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