mirror of
https://github.com/gnea/grbl-Mega.git
synced 2026-02-08 00:12:24 +08:00
e321c82095
[fix] RAMPS soft-reset control pin interfered with Z-enable. Shifted all control pins by plus one on the analog pins. RAMPS defines these pins as belonging to the AUX 2 port, which is assumed to be unused.
295 lines
12 KiB
C
295 lines
12 KiB
C
/*
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cpu_map.h - CPU and pin mapping configuration file
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Part of Grbl
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Copyright (c) 2012-2016 Sungeun K. Jeon for Gnea Research LLC
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Grbl is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Grbl is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Grbl. If not, see <http://www.gnu.org/licenses/>.
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*/
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/* The cpu_map.h files serve as a central pin mapping selection file for different
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processor types or alternative pin layouts. This version of Grbl supports only the
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Arduino Mega2560. */
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#ifndef cpu_map_h
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#define cpu_map_h
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#ifdef CPU_MAP_2560_INITIAL // (Arduino Mega 2560) Working @EliteEng
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// Serial port interrupt vectors
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#define SERIAL_RX USART0_RX_vect
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#define SERIAL_UDRE USART0_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 DDRA
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#define STEP_PORT PORTA
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#define STEP_PIN PINA
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#define X_STEP_BIT 2 // MEGA2560 Digital Pin 24
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#define Y_STEP_BIT 3 // MEGA2560 Digital Pin 25
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#define Z_STEP_BIT 4 // MEGA2560 Digital Pin 26
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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 DDRC
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#define DIRECTION_PORT PORTC
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#define DIRECTION_PIN PINC
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#define X_DIRECTION_BIT 7 // MEGA2560 Digital Pin 30
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#define Y_DIRECTION_BIT 6 // MEGA2560 Digital Pin 31
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#define Z_DIRECTION_BIT 5 // MEGA2560 Digital Pin 32
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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 7 // MEGA2560 Digital Pin 13
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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
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#define LIMIT_DDR DDRB
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#define LIMIT_PORT PORTB
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#define LIMIT_PIN PINB
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#define X_LIMIT_BIT 4 // MEGA2560 Digital Pin 10
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#define Y_LIMIT_BIT 5 // MEGA2560 Digital Pin 11
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#define Z_LIMIT_BIT 6 // MEGA2560 Digital Pin 12
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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 LIMIT_MASK ((1<<X_LIMIT_BIT)|(1<<Y_LIMIT_BIT)|(1<<Z_LIMIT_BIT)) // All limit bits
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// Define spindle enable and spindle direction output pins.
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#define SPINDLE_ENABLE_DDR DDRH
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#define SPINDLE_ENABLE_PORT PORTH
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#define SPINDLE_ENABLE_BIT 3 // MEGA2560 Digital Pin 6
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#define SPINDLE_DIRECTION_DDR DDRE
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#define SPINDLE_DIRECTION_PORT PORTE
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#define SPINDLE_DIRECTION_BIT 3 // MEGA2560 Digital Pin 5
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// Define flood and mist coolant enable output pins.
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#define COOLANT_FLOOD_DDR DDRH
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#define COOLANT_FLOOD_PORT PORTH
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#define COOLANT_FLOOD_BIT 5 // MEGA2560 Digital Pin 8
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#define COOLANT_MIST_DDR DDRH
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#define COOLANT_MIST_PORT PORTH
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#define COOLANT_MIST_BIT 6 // MEGA2560 Digital Pin 9
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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 DDRK
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#define CONTROL_PIN PINK
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#define CONTROL_PORT PORTK
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#define CONTROL_RESET_BIT 0 // MEGA2560 Analog Pin 8
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#define CONTROL_FEED_HOLD_BIT 1 // MEGA2560 Analog Pin 9
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#define CONTROL_CYCLE_START_BIT 2 // MEGA2560 Analog Pin 10
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#define CONTROL_SAFETY_DOOR_BIT 3 // MEGA2560 Analog Pin 11
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#define CONTROL_INT PCIE2 // Pin change interrupt enable pin
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#define CONTROL_INT_vect PCINT2_vect
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#define CONTROL_PCMSK PCMSK2 // 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 probe switch input pin.
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#define PROBE_DDR DDRK
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#define PROBE_PIN PINK
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#define PROBE_PORT PORTK
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#define PROBE_BIT 7 // MEGA2560 Analog Pin 15
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#define PROBE_MASK (1<<PROBE_BIT)
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// Advanced Configuration Below You should not need to touch these variables
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// Set Timer up to use TIMER4B which is attached to Digital Pin 7
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#define SPINDLE_PWM_MAX_VALUE 1024.0 // Translates to about 1.9 kHz PWM frequency at 1/8 prescaler
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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 TCCR4A
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#define SPINDLE_TCCRB_REGISTER TCCR4B
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#define SPINDLE_OCR_REGISTER OCR4B
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#define SPINDLE_COMB_BIT COM4B1
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// 1/8 Prescaler, 16-bit Fast PWM mode
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#define SPINDLE_TCCRA_INIT_MASK ((1<<WGM40) | (1<<WGM41))
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#define SPINDLE_TCCRB_INIT_MASK ((1<<WGM42) | (1<<WGM43) | (1<<CS41))
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#define SPINDLE_OCRA_REGISTER OCR4A // 16-bit Fast PWM mode requires top reset value stored here.
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#define SPINDLE_OCRA_TOP_VALUE 0x0400 // PWM counter reset value. Should be the same as PWM_MAX_VALUE in hex.
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// Define spindle output pins.
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#define SPINDLE_PWM_DDR DDRH
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#define SPINDLE_PWM_PORT PORTH
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#define SPINDLE_PWM_BIT 4 // MEGA2560 Digital Pin 7
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#endif
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#ifdef CPU_MAP_2560_RAMPS_BOARD // (Arduino Mega 2560) with Ramps 1.4 Board
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#include "nuts_bolts.h"
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// Serial port interrupt vectors
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#define SERIAL_RX USART0_RX_vect
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#define SERIAL_UDRE USART0_UDRE_vect
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// Define ports and pins
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#define DDR(port) DDR##port
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#define _DDR(port) DDR(port)
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#define PORT(port) PORT##port
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#define _PORT(port) PORT(port)
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#define PIN(pin) PIN##pin
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#define _PIN(pin) PIN(pin)
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// Define step pulse output pins.
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#define STEP_PORT_0 F
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#define STEP_PORT_1 F
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#define STEP_PORT_2 L
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#define STEP_BIT_0 0 // X Step - Pin A0
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#define STEP_BIT_1 6 // Y Step - Pin A6
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#define STEP_BIT_2 3 // Z Step - Pin D46
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#define _STEP_BIT(i) STEP_BIT_##i
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#define STEP_BIT(i) _STEP_BIT(i)
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#define STEP_DDR(i) _DDR(STEP_PORT_##i)
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#define _STEP_PORT(i) _PORT(STEP_PORT_##i)
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#define STEP_PORT(i) _STEP_PORT(i)
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#define STEP_PIN(i) _PIN(STEP_PORT_##i)
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// Define step direction output pins.
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#define DIRECTION_PORT_0 F
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#define DIRECTION_PORT_1 F
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#define DIRECTION_PORT_2 L
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#define DIRECTION_BIT_0 1 // X Dir - Pin A1
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#define DIRECTION_BIT_1 7 // Y Dir - Pin A7
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#define DIRECTION_BIT_2 1 // Z Dir - Pin D48
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#define _DIRECTION_BIT(i) DIRECTION_BIT_##i
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#define DIRECTION_BIT(i) _DIRECTION_BIT(i)
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#define DIRECTION_DDR(i) _DDR(DIRECTION_PORT_##i)
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#define _DIRECTION_PORT(i) _PORT(DIRECTION_PORT_##i)
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#define DIRECTION_PORT(i) _DIRECTION_PORT(i)
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#define DIRECTION_PIN(i) _PIN(DIRECTION_PORT_##i)
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// Define stepper driver enable/disable output pin.
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#define STEPPER_DISABLE_PORT_0 D
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#define STEPPER_DISABLE_PORT_1 F
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#define STEPPER_DISABLE_PORT_2 K
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#define STEPPER_DISABLE_BIT_0 7 // X Enable - Pin D38
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#define STEPPER_DISABLE_BIT_1 2 // Y Enable - Pin A2
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#define STEPPER_DISABLE_BIT_2 0 // Z Enable - Pin A8
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#define STEPPER_DISABLE_BIT(i) STEPPER_DISABLE_BIT_##i
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#define STEPPER_DISABLE_DDR(i) _DDR(STEPPER_DISABLE_PORT_##i)
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#define STEPPER_DISABLE_PORT(i) _PORT(STEPPER_DISABLE_PORT_##i)
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#define STEPPER_DISABLE_PIN(i) _PIN(STEPPER_DISABLE_PORT_##i)
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// Define homing/hard limit switch input pins and limit interrupt vectors.
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#define MIN_LIMIT_PORT_0 E
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#define MIN_LIMIT_PORT_1 J
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#define MIN_LIMIT_PORT_2 D
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#define MIN_LIMIT_BIT_0 5 // X Limit Min - Pin D3
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#define MIN_LIMIT_BIT_1 1 // Y Limit Min - Pin D14
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#define MIN_LIMIT_BIT_2 3 // Z Limit Min - Pin D18
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#define _MIN_LIMIT_BIT(i) MIN_LIMIT_BIT_##i
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#define MIN_LIMIT_BIT(i) _MIN_LIMIT_BIT(i)
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#define MIN_LIMIT_DDR(i) _DDR(MIN_LIMIT_PORT_##i)
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#define MIN_LIMIT_PORT(i) _PORT(MIN_LIMIT_PORT_##i)
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#define MIN_LIMIT_PIN(i) _PIN(MIN_LIMIT_PORT_##i)
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#define MAX_LIMIT_PORT_0 E
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#define MAX_LIMIT_PORT_1 J
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#define MAX_LIMIT_PORT_2 D
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#define MAX_LIMIT_BIT_0 4 // X Limit Max - Pin D2
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#define MAX_LIMIT_BIT_1 0 // Y Limit Max - Pin D15
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#define MAX_LIMIT_BIT_2 2 // Z Limit Max - Pin D19
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#define _MAX_LIMIT_BIT(i) MAX_LIMIT_BIT_##i
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#define MAX_LIMIT_BIT(i) _MAX_LIMIT_BIT(i)
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#define MAX_LIMIT_DDR(i) _DDR(MAX_LIMIT_PORT_##i)
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#define MAX_LIMIT_PORT(i) _PORT(MAX_LIMIT_PORT_##i)
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#define MAX_LIMIT_PIN(i) _PIN(MAX_LIMIT_PORT_##i)
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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 LIMIT_MASK ((1<<X_LIMIT_BIT)|(1<<Y_LIMIT_BIT)|(1<<Z_LIMIT_BIT)) // All limit bits
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#define DISABLE_HW_LIMITS
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// Define spindle enable and spindle direction output pins.
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#define SPINDLE_ENABLE_DDR DDRG
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#define SPINDLE_ENABLE_PORT PORTG
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#define SPINDLE_ENABLE_BIT 5 // MEGA2560 Digital Pin 4 - Ramps 1.4 Servo 4 Signal pin
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#define SPINDLE_DIRECTION_DDR DDRE
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#define SPINDLE_DIRECTION_PORT PORTE
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#define SPINDLE_DIRECTION_BIT 3 // MEGA2560 Digital Pin 5 - Ramps 1.4 Servo 3 Signal pin
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// Define flood and mist coolant enable output pins.
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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 4 // MEGA2560 Digital Pin 10 - Ramps 1.4 12v output
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#define COOLANT_MIST_DDR DDRH
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#define COOLANT_MIST_PORT PORTH
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#define COOLANT_MIST_BIT 6 // MEGA2560 Digital Pin 9 - Ramps 1.4 12v output
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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 DDRK
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#define CONTROL_PIN PINK
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#define CONTROL_PORT PORTK
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#define CONTROL_RESET_BIT 1 // Pin A9 - RAMPS Aux 2 Port
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#define CONTROL_FEED_HOLD_BIT 2 // Pin A10 - RAMPS Aux 2 Port
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#define CONTROL_CYCLE_START_BIT 3 // Pin A11 - RAMPS Aux 2 Port
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#define CONTROL_SAFETY_DOOR_BIT 4 // Pin A12 - RAMPS Aux 2 Port
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#define CONTROL_INT PCIE2 // Pin change interrupt enable pin
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#define CONTROL_INT_vect PCINT2_vect
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#define CONTROL_PCMSK PCMSK2 // 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 probe switch input pin.
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#define PROBE_DDR DDRK
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#define PROBE_PIN PINK
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#define PROBE_PORT PORTK
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#define PROBE_BIT 7 // MEGA2560 Analog Pin 15
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#define PROBE_MASK (1<<PROBE_BIT)
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// Advanced Configuration Below You should not need to touch these variables
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// Set Timer up to use TIMER4B which is attached to Digital Pin 8 - Ramps 1.4 12v output with heat sink
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#define SPINDLE_PWM_MAX_VALUE 1024.0 // Translates to about 1.9 kHz PWM frequency at 1/8 prescaler
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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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//Control Digital Pin 6 which is Servo 2 signal pin on Ramps 1.4 board
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#define SPINDLE_TCCRA_REGISTER TCCR4A
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#define SPINDLE_TCCRB_REGISTER TCCR4B
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#define SPINDLE_OCR_REGISTER OCR4C
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#define SPINDLE_COMB_BIT COM4C1
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// 1/8 Prescaler, 16-bit Fast PWM mode
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#define SPINDLE_TCCRA_INIT_MASK ((1<<WGM40) | (1<<WGM41))
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#define SPINDLE_TCCRB_INIT_MASK ((1<<WGM42) | (1<<WGM43) | (1<<CS41))
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#define SPINDLE_OCRA_REGISTER OCR4A // 16-bit Fast PWM mode requires top reset value stored here.
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#define SPINDLE_OCRA_TOP_VALUE 0x0400 // PWM counter reset value. Should be the same as PWM_MAX_VALUE in hex.
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// Define spindle output pins.
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#define SPINDLE_PWM_DDR DDRH
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#define SPINDLE_PWM_PORT PORTH
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#define SPINDLE_PWM_BIT 5 // MEGA2560 Digital Pin 8
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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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// map files and modify it to your needs. Make sure the defined name is also changed in
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// the config.h file.
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#endif
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*/
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#endif
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