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Arduino Mega Compatibility #1

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1 change: 1 addition & 0 deletions Makefile
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# is connected.
# FUSES ........ Parameters for avrdude to flash the fuses appropriately.

#To compile for Arduino Mega 2560 R3 change atmega328p for atmega2560
DEVICE ?= atmega328p
CLOCK = 16000000
PROGRAMMER ?= -c avrisp2 -P usb
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1 change: 1 addition & 0 deletions config.h
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// Default cpu mappings. Grbl officially supports the Arduino Uno only. Other processor types
// may exist from user-supplied templates or directly user-defined in cpu_map.h
// To compile for Arduino Mega 2560 change CPU_MAP_ATMEGA2560_HORUS
#define CPU_MAP_ATMEGA328P_HORUS // Arduino Uno CPU for Horus Project

// Define runtime command special characters. These characters are 'picked-off' directly from the
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101 changes: 17 additions & 84 deletions cpu_map.h
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Expand Up @@ -189,113 +189,46 @@

//----------------------------------------------------------------------------------------

#ifdef CPU_MAP_ATMEGA2560 // (Arduino Mega 2560) Working @EliteEng
#ifdef CPU_MAP_ATMEGA2560_HORUS // (Arduino Mega 2560) Working @EliteEng(McVillano version for BQ Ciclop)

// Serial port pins
#define SERIAL_RX USART0_RX_vect
#define SERIAL_UDRE USART0_UDRE_vect

// Increase Buffers to make use of extra SRAM
//#define RX_BUFFER_SIZE 256
//#define TX_BUFFER_SIZE 128
//#define BLOCK_BUFFER_SIZE 36
//#define LINE_BUFFER_SIZE 100

// Define step pulse output pins. NOTE: All step bit pins must be on the same port.

// Define laser pulse output pins. NOTE: All laser pins must be on the same port.
#define LASER_DDR DDRC
#define LASER_PORT PORTC
#define LASER1_BIT 6 // MEGA2560 Digital pin 31
#define LASER2_BIT 7 // MEGA2560 Digital pin 30
#define LASER3_BIT 0 //Just to avoid error compilating
#define LASER4_BIT 2 //Just to avoid error compilating
#define LASER_MASK ((1<<LASER1_BIT)|(1<<LASER2_BIT)|(1<<LASER3_BIT)|(1<<LASER4_BIT))

// Define step pulse output pins. NOTE: Al 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 X_STEP_BIT 2 // MEGA2560 Digital Pin 24
#define STEP_MASK (1<<X_STEP_BIT) // All step bits

// Define step direction output pins. NOTE: All direction pins must be on the same port.
#define DIRECTION_DDR DDRA
#define DIRECTION_PORT PORTA
#define DIRECTION_PIN PINA
#define X_DIRECTION_BIT 5 // MEGA2560 Digital Pin 27
#define Y_DIRECTION_BIT 6 // MEGA2560 Digital Pin 28
#define Z_DIRECTION_BIT 7 // MEGA2560 Digital Pin 29
#define DIRECTION_MASK ((1<<X_DIRECTION_BIT)|(1<<Y_DIRECTION_BIT)|(1<<Z_DIRECTION_BIT)) // All direction bits
#define X_DIRECTION_BIT 5 // MEGA2560 Digital Pin 27
#define DIRECTION_MASK (1<<X_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)

// 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.
// NOTE: Uno analog pins 4 and 5 are reserved for an i2c interface, and may be installed at
// a later date if flash and memory space allows.
#define COOLANT_FLOOD_DDR DDRH
#define COOLANT_FLOOD_PORT PORTH
#define COOLANT_FLOOD_BIT 5 // MEGA2560 Digital Pin 8
#ifdef ENABLE_M7 // Mist coolant disabled by default. See config.h to enable/disable.
#define COOLANT_MIST_DDR DDRH
#define COOLANT_MIST_PORT PORTH
#define COOLANT_MIST_BIT 6 // MEGA2560 Digital Pin 9
#endif

// Define user-control pinouts (cycle start, reset, feed hold) input pins.
// NOTE: All pinouts pins must be on the same port and not on a port with other input pins (limits).
#define PINOUT_DDR DDRK
#define PINOUT_PIN PINK
#define PINOUT_PORT PORTK
#define PIN_RESET 0 // MEGA2560 Analog Pin 8
#define PIN_FEED_HOLD 1 // MEGA2560 Analog Pin 9
#define PIN_CYCLE_START 2 // MEGA2560 Analog Pin 10
#define PINOUT_INT PCIE2 // Pin change interrupt enable pin
#define PINOUT_INT_vect PCINT2_vect
#define PINOUT_PCMSK PCMSK2 // Pin change interrupt register
#define PINOUT_MASK ((1<<PIN_RESET)|(1<<PIN_FEED_HOLD)|(1<<PIN_CYCLE_START))

// Define probe switch input pin.
#define PROBE_DDR DDRK
#define PROBE_PIN PINK
#define PROBE_PORT PORTK
#define PROBE_PIN PINK
#define PROBE_BIT 3 // MEGA2560 Analog Pin 11
#define PROBE_MASK (1<<PROBE_BIT)

// Start of PWM & Stepper Enabled Spindle
#ifdef VARIABLE_SPINDLE
// Advanced Configuration Below You should not need to touch these variables
// Set Timer up to use TIMER2B which is attached to Digital Pin 9
#define TCCRA_REGISTER TCCR2A
#define TCCRB_REGISTER TCCR2B
#define OCR_REGISTER OCR2B

#define COMB_BIT COM2B1
#define WAVE0_REGISTER WGM20
#define WAVE1_REGISTER WGM21
#define WAVE2_REGISTER WGM22
#define WAVE3_REGISTER WGM23

#define SPINDLE_PWM_DDR DDRH
#define SPINDLE_PWM_PORT PORTH
#define SPINDLE_PWM_BIT 6 // MEGA2560 Digital Pin 9
#endif // End of VARIABLE_SPINDLE

#endif

//----------------------------------------------------------------------------------------
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