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cpu_map.h
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cpu_map.h
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/*
cpu_map.h - CPU and pin mapping configuration file
Part of Grbl
Copyright (c) 2012-2016 Sungeun K. Jeon for Gnea Research LLC
Grbl 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. If not, see <http://www.gnu.org/licenses/>.
*/
/* The cpu_map.h files serve as a central pin mapping selection file for different
processor types or alternative pin layouts. This version of Grbl supports only the
Arduino Mega2560. */
#ifndef cpu_map_h
#define cpu_map_h
#ifdef CPU_MAP_2560_INITIAL // (Arduino Mega 2560) Working @EliteEng
// Serial port interrupt vectors
#define SERIAL_RX USART0_RX_vect
#define SERIAL_UDRE USART0_UDRE_vect
// Define step pulse output pins. NOTE: All step bit pins must be on the same port.
#define STEP_DDR DDRA
#define STEP_PORT PORTA
#define STEP_PIN PINA
#define X_STEP_BIT 2 // MEGA2560 Digital Pin 24
#define Y_STEP_BIT 3 // MEGA2560 Digital Pin 25
#define Z_STEP_BIT 4 // MEGA2560 Digital Pin 26
#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 DDRC
#define DIRECTION_PORT PORTC
#define DIRECTION_PIN PINC
#define X_DIRECTION_BIT 7 // MEGA2560 Digital Pin 30
#define Y_DIRECTION_BIT 6 // MEGA2560 Digital Pin 31
#define Z_DIRECTION_BIT 5 // MEGA2560 Digital Pin 32
#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 7 // MEGA2560 Digital Pin 13
#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
#define LIMIT_DDR DDRB
#define LIMIT_PORT PORTB
#define LIMIT_PIN PINB
#define X_LIMIT_BIT 4 // MEGA2560 Digital Pin 10
#define Y_LIMIT_BIT 5 // MEGA2560 Digital Pin 11
#define Z_LIMIT_BIT 6 // MEGA2560 Digital Pin 12
#define LIMIT_INT PCIE0 // Pin change interrupt enable pin
#define LIMIT_INT_vect PCINT0_vect
#define LIMIT_PCMSK PCMSK0 // Pin change interrupt register
#define LIMIT_MASK ((1<<X_LIMIT_BIT)|(1<<Y_LIMIT_BIT)|(1<<Z_LIMIT_BIT)) // All limit bits
// Define spindle enable and spindle direction output pins.
#define SPINDLE_ENABLE_DDR DDRH
#define SPINDLE_ENABLE_PORT PORTH
#define SPINDLE_ENABLE_BIT 3 // MEGA2560 Digital Pin 6
#define SPINDLE_DIRECTION_DDR DDRE
#define SPINDLE_DIRECTION_PORT PORTE
#define SPINDLE_DIRECTION_BIT 3 // MEGA2560 Digital Pin 5
// Define flood and mist coolant enable output pins.
#define COOLANT_FLOOD_DDR DDRH
#define COOLANT_FLOOD_PORT PORTH
#define COOLANT_FLOOD_BIT 5 // MEGA2560 Digital Pin 8
#define COOLANT_MIST_DDR DDRH
#define COOLANT_MIST_PORT PORTH
#define COOLANT_MIST_BIT 6 // MEGA2560 Digital Pin 9
// 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 DDRK
#define CONTROL_PIN PINK
#define CONTROL_PORT PORTK
#define CONTROL_RESET_BIT 0 // MEGA2560 Analog Pin 8
#define CONTROL_FEED_HOLD_BIT 1 // MEGA2560 Analog Pin 9
#define CONTROL_CYCLE_START_BIT 2 // MEGA2560 Analog Pin 10
#define CONTROL_SAFETY_DOOR_BIT 3 // MEGA2560 Analog Pin 11
#define CONTROL_INT PCIE2 // Pin change interrupt enable pin
#define CONTROL_INT_vect PCINT2_vect
#define CONTROL_PCMSK PCMSK2 // 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 probe switch input pin.
#define PROBE_DDR DDRK
#define PROBE_PIN PINK
#define PROBE_PORT PORTK
#define PROBE_BIT 7 // MEGA2560 Analog Pin 15
#define PROBE_MASK (1<<PROBE_BIT)
// Advanced Configuration Below You should not need to touch these variables
// Set Timer up to use TIMER4B which is attached to Digital Pin 7
#define SPINDLE_PWM_MAX_VALUE 1024.0 // Translates to about 1.9 kHz PWM frequency at 1/8 prescaler
#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 TCCR4A
#define SPINDLE_TCCRB_REGISTER TCCR4B
#define SPINDLE_OCR_REGISTER OCR4B
#define SPINDLE_COMB_BIT COM4B1
// 1/8 Prescaler, 16-bit Fast PWM mode
#define SPINDLE_TCCRA_INIT_MASK ((1<<WGM40) | (1<<WGM41))
#define SPINDLE_TCCRB_INIT_MASK ((1<<WGM42) | (1<<WGM43) | (1<<CS41))
#define SPINDLE_OCRA_REGISTER OCR4A // 16-bit Fast PWM mode requires top reset value stored here.
#define SPINDLE_OCRA_TOP_VALUE 0x0400 // PWM counter reset value. Should be the same as PWM_MAX_VALUE in hex.
// Define spindle output pins.
#define SPINDLE_PWM_DDR DDRH
#define SPINDLE_PWM_PORT PORTH
#define SPINDLE_PWM_BIT 4 // MEGA2560 Digital Pin 7
#endif
#ifdef CPU_MAP_2560_RAMPS_BOARD // (Arduino Mega 2560) with Ramps 1.4 Board
#include "nuts_bolts.h"
// Serial port interrupt vectors
#define SERIAL_RX USART0_RX_vect
#define SERIAL_UDRE USART0_UDRE_vect
// Define ports and pins
#define DDR(port) DDR##port
#define _DDR(port) DDR(port)
#define PORT(port) PORT##port
#define _PORT(port) PORT(port)
#define PIN(pin) PIN##pin
#define _PIN(pin) PIN(pin)
// Define step pulse output pins.
#define STEP_PORT_0 F
#define STEP_PORT_1 F
#define STEP_PORT_2 L
#define STEP_BIT_0 0 // X Step - Pin A0
#define STEP_BIT_1 6 // Y Step - Pin A6
#define STEP_BIT_2 3 // Z Step - Pin D46
#define _STEP_BIT(i) STEP_BIT_##i
#define STEP_BIT(i) _STEP_BIT(i)
#define STEP_DDR(i) _DDR(STEP_PORT_##i)
#define _STEP_PORT(i) _PORT(STEP_PORT_##i)
#define STEP_PORT(i) _STEP_PORT(i)
#define STEP_PIN(i) _PIN(STEP_PORT_##i)
// Define step direction output pins.
#define DIRECTION_PORT_0 F
#define DIRECTION_PORT_1 F
#define DIRECTION_PORT_2 L
#define DIRECTION_BIT_0 1 // X Dir - Pin A1
#define DIRECTION_BIT_1 7 // Y Dir - Pin A7
#define DIRECTION_BIT_2 1 // Z Dir - Pin D48
#define _DIRECTION_BIT(i) DIRECTION_BIT_##i
#define DIRECTION_BIT(i) _DIRECTION_BIT(i)
#define DIRECTION_DDR(i) _DDR(DIRECTION_PORT_##i)
#define _DIRECTION_PORT(i) _PORT(DIRECTION_PORT_##i)
#define DIRECTION_PORT(i) _DIRECTION_PORT(i)
#define DIRECTION_PIN(i) _PIN(DIRECTION_PORT_##i)
// Define stepper driver enable/disable output pin.
#define STEPPER_DISABLE_PORT_0 D
#define STEPPER_DISABLE_PORT_1 F
#define STEPPER_DISABLE_PORT_2 K
#define STEPPER_DISABLE_BIT_0 7 // X Enable - Pin D38
#define STEPPER_DISABLE_BIT_1 2 // Y Enable - Pin A2
#define STEPPER_DISABLE_BIT_2 0 // Z Enable - Pin A8
#define STEPPER_DISABLE_BIT(i) STEPPER_DISABLE_BIT_##i
#define STEPPER_DISABLE_DDR(i) _DDR(STEPPER_DISABLE_PORT_##i)
#define STEPPER_DISABLE_PORT(i) _PORT(STEPPER_DISABLE_PORT_##i)
#define STEPPER_DISABLE_PIN(i) _PIN(STEPPER_DISABLE_PORT_##i)
// Define homing/hard limit switch input pins and limit interrupt vectors.
#define MIN_LIMIT_PORT_0 E
#define MIN_LIMIT_PORT_1 J
#define MIN_LIMIT_PORT_2 D
#define MIN_LIMIT_BIT_0 5 // X Limit Min - Pin D3
#define MIN_LIMIT_BIT_1 1 // Y Limit Min - Pin D14
#define MIN_LIMIT_BIT_2 3 // Z Limit Min - Pin D18
#define _MIN_LIMIT_BIT(i) MIN_LIMIT_BIT_##i
#define MIN_LIMIT_BIT(i) _MIN_LIMIT_BIT(i)
#define MIN_LIMIT_DDR(i) _DDR(MIN_LIMIT_PORT_##i)
#define MIN_LIMIT_PORT(i) _PORT(MIN_LIMIT_PORT_##i)
#define MIN_LIMIT_PIN(i) _PIN(MIN_LIMIT_PORT_##i)
#define MAX_LIMIT_PORT_0 E
#define MAX_LIMIT_PORT_1 J
#define MAX_LIMIT_PORT_2 D
#define MAX_LIMIT_BIT_0 4 // X Limit Max - Pin D2
#define MAX_LIMIT_BIT_1 0 // Y Limit Max - Pin D15
#define MAX_LIMIT_BIT_2 2 // Z Limit Max - Pin D19
#define _MAX_LIMIT_BIT(i) MAX_LIMIT_BIT_##i
#define MAX_LIMIT_BIT(i) _MAX_LIMIT_BIT(i)
#define MAX_LIMIT_DDR(i) _DDR(MAX_LIMIT_PORT_##i)
#define MAX_LIMIT_PORT(i) _PORT(MAX_LIMIT_PORT_##i)
#define MAX_LIMIT_PIN(i) _PIN(MAX_LIMIT_PORT_##i)
// #define LIMIT_INT PCIE0 // Pin change interrupt enable pin
// #define LIMIT_INT_vect PCINT0_vect
// #define LIMIT_PCMSK PCMSK0 // Pin change interrupt register
// #define LIMIT_MASK ((1<<X_LIMIT_BIT)|(1<<Y_LIMIT_BIT)|(1<<Z_LIMIT_BIT)) // All limit bits
#define DISABLE_HW_LIMITS
// Define spindle enable and spindle direction output pins.
#define SPINDLE_ENABLE_DDR DDRG
#define SPINDLE_ENABLE_PORT PORTG
#define SPINDLE_ENABLE_BIT 5 // MEGA2560 Digital Pin 4 - Ramps 1.4 Servo 4 Signal pin
#define SPINDLE_DIRECTION_DDR DDRE
#define SPINDLE_DIRECTION_PORT PORTE
#define SPINDLE_DIRECTION_BIT 3 // MEGA2560 Digital Pin 5 - Ramps 1.4 Servo 3 Signal pin
// Define flood and mist coolant enable output pins.
#define COOLANT_FLOOD_DDR DDRB
#define COOLANT_FLOOD_PORT PORTB
#define COOLANT_FLOOD_BIT 4 // MEGA2560 Digital Pin 10 - Ramps 1.4 12v output
#define COOLANT_MIST_DDR DDRH
#define COOLANT_MIST_PORT PORTH
#define COOLANT_MIST_BIT 6 // MEGA2560 Digital Pin 9 - Ramps 1.4 12v output
// 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 DDRK
#define CONTROL_PIN PINK
#define CONTROL_PORT PORTK
#define CONTROL_RESET_BIT 1 // Pin A9 - RAMPS Aux 2 Port
#define CONTROL_FEED_HOLD_BIT 2 // Pin A10 - RAMPS Aux 2 Port
#define CONTROL_CYCLE_START_BIT 3 // Pin A11 - RAMPS Aux 2 Port
#define CONTROL_SAFETY_DOOR_BIT 4 // Pin A12 - RAMPS Aux 2 Port
#define CONTROL_INT PCIE2 // Pin change interrupt enable pin
#define CONTROL_INT_vect PCINT2_vect
#define CONTROL_PCMSK PCMSK2 // 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 probe switch input pin.
#define PROBE_DDR DDRK
#define PROBE_PIN PINK
#define PROBE_PORT PORTK
#define PROBE_BIT 7 // MEGA2560 Analog Pin 15
#define PROBE_MASK (1<<PROBE_BIT)
// Advanced Configuration Below You should not need to touch these variables
// Set Timer up to use TIMER4B which is attached to Digital Pin 8 - Ramps 1.4 12v output with heat sink
#define SPINDLE_PWM_MAX_VALUE 1024.0 // Translates to about 1.9 kHz PWM frequency at 1/8 prescaler
#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)
//Control Digital Pin 6 which is Servo 2 signal pin on Ramps 1.4 board
#define SPINDLE_TCCRA_REGISTER TCCR4A
#define SPINDLE_TCCRB_REGISTER TCCR4B
#define SPINDLE_OCR_REGISTER OCR4C
#define SPINDLE_COMB_BIT COM4C1
// 1/8 Prescaler, 16-bit Fast PWM mode
#define SPINDLE_TCCRA_INIT_MASK ((1<<WGM40) | (1<<WGM41))
#define SPINDLE_TCCRB_INIT_MASK ((1<<WGM42) | (1<<WGM43) | (1<<CS41))
#define SPINDLE_OCRA_REGISTER OCR4A // 16-bit Fast PWM mode requires top reset value stored here.
#define SPINDLE_OCRA_TOP_VALUE 0x0400 // PWM counter reset value. Should be the same as PWM_MAX_VALUE in hex.
// Define spindle output pins.
#define SPINDLE_PWM_DDR DDRH
#define SPINDLE_PWM_PORT PORTH
#define SPINDLE_PWM_BIT 5 // MEGA2560 Digital Pin 8
#endif
/*
#ifdef CPU_MAP_CUSTOM_PROC
// For a custom pin map or different processor, copy and edit one of the available cpu
// map files and modify it to your needs. Make sure the defined name is also changed in
// the config.h file.
#endif
*/
#endif