ManuelW/grbl-LPC-CoreXY
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Merge pull request #278 from EliteEng/master

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Update Pin Change Interrupts on Mega 2560
This commit is contained in:
Sonny Jeon 2013-10-17 07:09:08 -07:00
commit 9b426d0c91
1 changed files with 23 additions and 20 deletions
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43
pin_map.h
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@ -97,12 +97,18 @@
#endif #endif
#ifdef PIN_MAP_ARDUINO_MEGA_2560 // Unsupported. Doesn't work. Supplied by @elmom. #ifdef PIN_MAP_ARDUINO_MEGA_2560 // Working @EliteEng
// Serial port pins // Serial port pins
#define SERIAL_RX USART0_RX_vect #define SERIAL_RX USART0_RX_vect
#define SERIAL_UDRE USART0_UDRE_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
// NOTE: All step bit and direction pins must be on the same port. // NOTE: All step bit and direction pins must be on the same port.
#define STEPPING_DDR DDRA #define STEPPING_DDR DDRA
#define STEPPING_PORT PORTA #define STEPPING_PORT PORTA
@ -110,11 +116,9 @@
#define X_STEP_BIT 0 // MEGA2560 Digital Pin 22 #define X_STEP_BIT 0 // MEGA2560 Digital Pin 22
#define Y_STEP_BIT 1 // MEGA2560 Digital Pin 23 #define Y_STEP_BIT 1 // MEGA2560 Digital Pin 23
#define Z_STEP_BIT 2 // MEGA2560 Digital Pin 24 #define Z_STEP_BIT 2 // MEGA2560 Digital Pin 24
// #define C_STEP_BIT 3 // MEGA2560 Digital Pin 25
#define X_DIRECTION_BIT 4 // MEGA2560 Digital Pin 26 #define X_DIRECTION_BIT 4 // MEGA2560 Digital Pin 26
#define Y_DIRECTION_BIT 5 // MEGA2560 Digital Pin 27 #define Y_DIRECTION_BIT 5 // MEGA2560 Digital Pin 27
#define Z_DIRECTION_BIT 6 // MEGA2560 Digital Pin 28 #define Z_DIRECTION_BIT 6 // MEGA2560 Digital Pin 28
// #define C_DIRECTION_BIT 7 // MEGA2560 Digital Pin 29
#define STEP_MASK ((1<<X_STEP_BIT)|(1<<Y_STEP_BIT)|(1<<Z_STEP_BIT)) // All step bits #define STEP_MASK ((1<<X_STEP_BIT)|(1<<Y_STEP_BIT)|(1<<Z_STEP_BIT)) // All step bits
#define DIRECTION_MASK ((1<<X_DIRECTION_BIT)|(1<<Y_DIRECTION_BIT)|(1<<Z_DIRECTION_BIT)) // All direction bits #define DIRECTION_MASK ((1<<X_DIRECTION_BIT)|(1<<Y_DIRECTION_BIT)|(1<<Z_DIRECTION_BIT)) // All direction bits
#define STEPPING_MASK (STEP_MASK | DIRECTION_MASK) // All stepping-related bits (step/direction) #define STEPPING_MASK (STEP_MASK | DIRECTION_MASK) // All stepping-related bits (step/direction)
@ -125,13 +129,12 @@
#define STEPPERS_DISABLE_MASK (1<<STEPPERS_DISABLE_BIT) #define STEPPERS_DISABLE_MASK (1<<STEPPERS_DISABLE_BIT)
// NOTE: All limit bit pins must be on the same port // NOTE: All limit bit pins must be on the same port
#define LIMIT_DDR DDRC #define LIMIT_DDR DDRB
#define LIMIT_PORT PORTC #define LIMIT_PORT PORTB
#define LIMIT_PIN PINC #define LIMIT_PIN PINB
#define X_LIMIT_BIT 6 // MEGA2560 Digital Pin 31 #define X_LIMIT_BIT 4 // MEGA2560 Digital Pin 10
#define Y_LIMIT_BIT 5 // MEGA2560 Digital Pin 32 #define Y_LIMIT_BIT 5 // MEGA2560 Digital Pin 11
#define Z_LIMIT_BIT 4 // MEGA2560 Digital Pin 33 #define Z_LIMIT_BIT 6 // MEGA2560 Digital Pin 12
// #define C_LIMIT_BIT 3 // MEGA2560 Digital Pin 34
#define LIMIT_INT PCIE0 // Pin change interrupt enable pin #define LIMIT_INT PCIE0 // Pin change interrupt enable pin
#define LIMIT_INT_vect PCINT0_vect #define LIMIT_INT_vect PCINT0_vect
#define LIMIT_PCMSK PCMSK0 // Pin change interrupt register #define LIMIT_PCMSK PCMSK0 // Pin change interrupt register
@ -153,19 +156,19 @@
#ifdef ENABLE_M7 #ifdef ENABLE_M7
#define COOLANT_MIST_DDR DDRC #define COOLANT_MIST_DDR DDRC
#define COOLANT_MIST_PORT PORTC #define COOLANT_MIST_PORT PORTC
#define COOLANT_MIST_BIT 0 // MEGA2560 Digital Pin 37 #define COOLANT_MIST_BIT 3 // MEGA2560 Digital Pin 34
#endif #endif
// NOTE: All pinouts pins must be on the same port // NOTE: All pinouts pins must be on the same port
#define PINOUT_DDR DDRC #define PINOUT_DDR DDRK
#define PINOUT_PIN PINC #define PINOUT_PIN PINK
#define PINOUT_PORT PORTC #define PINOUT_PORT PORTK
#define PIN_RESET 0 // Uno Analog Pin 0 #define PIN_RESET 0 // MEGA2560 Analog Pin 8
#define PIN_FEED_HOLD 1 // Uno Analog Pin 1 #define PIN_FEED_HOLD 1 // MEGA2560 Analog Pin 9
#define PIN_CYCLE_START 2 // Uno Analog Pin 2 #define PIN_CYCLE_START 2 // MEGA2560 Analog Pin 10
#define PINOUT_INT PCIE1 // Pin change interrupt enable pin #define PINOUT_INT PCIE2 // Pin change interrupt enable pin
#define PINOUT_INT_vect PCINT1_vect #define PINOUT_INT_vect PCINT2_vect
#define PINOUT_PCMSK PCMSK1 // Pin change interrupt register #define PINOUT_PCMSK PCMSK2 // Pin change interrupt register
#define PINOUT_MASK ((1<<PIN_RESET)|(1<<PIN_FEED_HOLD)|(1<<PIN_CYCLE_START)) #define PINOUT_MASK ((1<<PIN_RESET)|(1<<PIN_FEED_HOLD)|(1<<PIN_CYCLE_START))
#endif #endif