-
Notifications
You must be signed in to change notification settings - Fork 2
/
Copy pathcpu_map_atmega2560.h
126 lines (109 loc) · 5.09 KB
/
cpu_map_atmega2560.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
#ifdef GRBL_PLATFORM
#error "cpu_map already defined: GRBL_PLATFORM=" GRBL_PLATFORM
#endif
#define GRBL_PLATFORM "Atmega2560"
// Define serial port pins and interrupt vectors.
#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 STEP_DDR DDRA
#define STEP_PORT PORTA
#define STEP_PIN PINA
#define X_STEP_BIT 0 // MEGA2560 Digital Pin 22
#define Y_STEP_BIT 1 // MEGA2560 Digital Pin 23
#define Z_STEP_BIT 2 // MEGA2560 Digital Pin 24
#define C_STEP_BIT 3 // MEGA2560 Digital Pin 25
#define STEP_MASK ((1<<X_STEP_BIT)|(1<<Y_STEP_BIT)|(1<<Z_STEP_BIT)|(1<<C_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 4 // MEGA2560 Digital Pin 26
#define Y_DIRECTION_BIT 5 // MEGA2560 Digital Pin 27
#define Z_DIRECTION_BIT 6 // MEGA2560 Digital Pin 28
#define C_DIRECTION_BIT 7 // MEGA2560 Digital Pin 29
#define DIRECTION_MASK ((1<<X_DIRECTION_BIT)|(1<<Y_DIRECTION_BIT)|(1<<Z_DIRECTION_BIT)|(1<<C_DIRECTION_BIT)) // All direction bits
// Define stepper driver enable/disable output pin.
#define STEPPERS_DISABLE_DDR DDRJ
#define STEPPERS_DISABLE_PORT PORTJ
#define STEPPERS_DISABLE_BIT 1 // MEGA2560 Digital Pin 14
#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 3 // MEGA2560 Digital Pin 50
#define Y_LIMIT_BIT 4 // MEGA2560 Digital Pin 10
#define Z_LIMIT_BIT 5 // MEGA2560 Digital Pin 11
#define C_LIMIT_BIT 6 // MEGA2650 Digital Pin 12
#define LIMIT_MASK ((1<<X_LIMIT_BIT)|(1<<Y_LIMIT_BIT)|(1<<Z_LIMIT_BIT)|(1<<C_LIMIT_BIT)) // All limit bits
#define HARDSTOP_MASK ((1<<X_LIMIT_BIT)|(1<<Y_LIMIT_BIT)|(1<<Z_LIMIT_BIT)) // All limit that are really hardstops.
#define LIMIT_BIT_SHIFT 3 // shift right to align with step bits
#define LIMIT_ICR PCICR //enables change interrupts
#define LIMIT_INT (1<<PCIE0) //port to monitor
#define LIMIT_PCMSK PCMSK0 //Pin change selector
#define LIMIT_ENABLE LIMIT_MASK
#define LIMIT_INT_vect PCINT0_vect //change handler
#define TIMING_DDR DDRB
#define TIMING_PORT PORTB
#define TIMING_ENABLE_BIT 7
#define TIMING_MASK (1<<TIMING_ENABLE_BIT) // LED
#define CNC_CONFIGURATION
// 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_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