282 lines
6.3 KiB
C
282 lines
6.3 KiB
C
/*
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pins_arduino.h - Pin definition functions for Arduino
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Part of Arduino - http://www.arduino.cc/
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Copyright (c) 2007 David A. Mellis
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Modified 2012 by Fredrik Hubinette
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General
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Public License along with this library; if not, write to the
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Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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Boston, MA 02111-1307 USA
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$Id: wiring.h 249 2007-02-03 16:52:51Z mellis $
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*/
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#ifndef Pins_Arduino_h
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#define Pins_Arduino_h
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#include <avr/pgmspace.h>
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#define NUM_DIGITAL_PINS 48
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#define NUM_ANALOG_INPUTS 8
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#define TX_RX_LED_INIT DDRE |= (1<<7)
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#define TXLED0 0
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#define TXLED1 0
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#define RXLED0 PORTE |= (1<<7)
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#define RXLED1 PORTE &= ~(1<<7)
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static const uint8_t SDA = 0;
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static const uint8_t SCL = 1;
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// Map SPI port to 'new' pins D14..D17
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static const uint8_t SS = 20;
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static const uint8_t MOSI = 22;
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static const uint8_t MISO = 23;
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static const uint8_t SCK = 21;
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// Mapping of analog pins as digital I/O
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// A6-A11 share with digital pins
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static const uint8_t A0 = 38; // F0
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static const uint8_t A1 = 39; // F1
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static const uint8_t A2 = 40; // F2
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static const uint8_t A3 = 41; // F3
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static const uint8_t A4 = 42; // F4
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static const uint8_t A5 = 43; // F5
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static const uint8_t A6 = 44; // F6
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static const uint8_t A7 = 45; // F7
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#define analogInputToDigitalPin(p) ((p < 16) ? (p) + 54 : -1)
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// Pins below still needs to be configured - Hubbe.
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#define digitalPinToPCICR(p) ((((p) >= 8 && (p) <= 11) || ((p) >= 14 && (p) <= 17) || ((p) >= A8 && (p) <= A10)) ? (&PCICR) : ((uint8_t *)0))
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#define digitalPinToPCICRbit(p) 0
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#define digitalPinToPCMSK(p) ((((p) >= 8 && (p) <= 11) || ((p) >= 14 && (p) <= 17) || ((p) >= A8 && (p) <= A10)) ? (&PCMSK0) : ((uint8_t *)0))
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#define digitalPinToPCMSKbit(p) ( ((p) >= 8 && (p) <= 11) ? (p) - 4 : ((p) == 14 ? 3 : ((p) == 15 ? 1 : ((p) == 16 ? 2 : ((p) == 17 ? 0 : (p - A8 + 4))))))
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#define digitalPinHasPWM(p) ((p) == 12 || (p) == 13 || (p) == 14 || (p) == 20 || (p) == 21 || (p) == 22)
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// __AVR_ATmega32U4__ has an unusual mapping of pins to channels
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extern const uint8_t PROGMEM analog_pin_to_channel_PGM[];
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#define analogPinToChannel(P) ( pgm_read_byte( analog_pin_to_channel_PGM + (P) ) )
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#ifdef ARDUINO_MAIN
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// these arrays map port names (e.g. port B) to the
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// appropriate addresses for various functions (e.g. reading
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// and writing)
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// Note PA == 1, PB == 2, etc. (GAH!)
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const uint16_t PROGMEM port_to_mode_PGM[] = {
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NOT_A_PORT,
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(uint16_t) &DDRA,
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(uint16_t) &DDRB,
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(uint16_t) &DDRC,
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(uint16_t) &DDRD,
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(uint16_t) &DDRE,
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};
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const uint16_t PROGMEM port_to_output_PGM[] = {
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NOT_A_PORT,
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(uint16_t) &PORTA,
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(uint16_t) &PORTB,
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(uint16_t) &PORTC,
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(uint16_t) &PORTD,
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(uint16_t) &PORTE,
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};
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const uint16_t PROGMEM port_to_input_PGM[] = {
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NOT_A_PORT,
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(uint16_t) &PINA,
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(uint16_t) &PINB,
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(uint16_t) &PINC,
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(uint16_t) &PIND,
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(uint16_t) &PINE,
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};
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const uint8_t PROGMEM digital_pin_to_port_PGM[] = {
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PA, // 0
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PA,
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PA,
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PA,
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PA,
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PA,
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PA,
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PA,
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PB, // 8
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PB,
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PB,
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PB,
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PB,
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PB,
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PB,
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PB,
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PC, // 16
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PC,
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PC,
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PC,
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PC,
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PC,
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PC,
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PC,
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PD, // 24
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PD,
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PD,
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PD,
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PD,
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PD,
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PD,
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PD,
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PE, // 32
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PE,
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PE,
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PE,
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PE,
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PE,
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PE,
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PE, // 39 - PE7
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PF, // 40 - A0 - PF0
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PF,
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PF,
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PF,
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PF,
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PF,
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PF,
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PF, // 47 - A7 - PF7
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};
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const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[] = {
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_BV(0), // PA0
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_BV(1),
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_BV(2),
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_BV(3),
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_BV(4),
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_BV(5),
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_BV(6),
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_BV(7),
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_BV(0), // PB0
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_BV(1),
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_BV(2),
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_BV(3),
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_BV(4),
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_BV(5),
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_BV(6),
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_BV(7),
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_BV(0), // PC0
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_BV(1),
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_BV(2),
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_BV(3),
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_BV(4),
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_BV(5),
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_BV(6),
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_BV(7),
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_BV(0), // PD0
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_BV(1),
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_BV(2),
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_BV(3),
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_BV(4),
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_BV(5),
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_BV(6),
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_BV(7),
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_BV(0), // PE0
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_BV(1),
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_BV(2),
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_BV(3),
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_BV(4),
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_BV(5),
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_BV(6),
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_BV(7),
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_BV(0), // PF0
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_BV(1),
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_BV(2),
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_BV(3),
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_BV(4),
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_BV(5),
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_BV(6),
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_BV(7),
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};
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// TODO(unrepentantgeek) complete this map of PWM capable pins
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const uint8_t PROGMEM digital_pin_to_timer_PGM[] = {
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NOT_ON_TIMER, // 0 - PA0
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NOT_ON_TIMER, // 1 - PA1
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NOT_ON_TIMER, // 2 - PA2
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NOT_ON_TIMER, // 3 - PA3
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NOT_ON_TIMER, // 4 - PA4
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NOT_ON_TIMER, // 5 - PA5
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NOT_ON_TIMER, // 6 - PA6
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NOT_ON_TIMER, // 7 - PA7
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NOT_ON_TIMER, // 8 - PB0
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NOT_ON_TIMER, // 9 - PB1
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NOT_ON_TIMER, // 10 - PB2
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NOT_ON_TIMER, // 11 - PB3
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TIMER2A, // 12 - PB4
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TIMER1A, // 13 - PB5
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TIMER1B, // 14 - PB6
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NOT_ON_TIMER, // 15 - PB7
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NOT_ON_TIMER, // 16 - PC0
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NOT_ON_TIMER, // 17 - PC1
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NOT_ON_TIMER, // 18 - PC2
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NOT_ON_TIMER, // 19 - PC3
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TIMER3C, // 20 - PC4
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TIMER3B, // 21 - PC5
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TIMER3A, // 22 - PC6
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NOT_ON_TIMER, // 23 - PC7
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NOT_ON_TIMER, // 24 - PD0
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NOT_ON_TIMER, // 25 - PD1
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NOT_ON_TIMER, // 26 - PD2
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NOT_ON_TIMER, // 27 - PD3
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NOT_ON_TIMER, // 28 - PD4
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NOT_ON_TIMER, // 29 - PD5
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NOT_ON_TIMER, // 30 - PD6
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NOT_ON_TIMER, // 31 - PD7
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NOT_ON_TIMER, // 32 - PE0
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NOT_ON_TIMER, // 33 - PE1
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NOT_ON_TIMER, // 34 - PE2
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NOT_ON_TIMER, // 35 - PE3
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NOT_ON_TIMER, // 36 - PE4
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NOT_ON_TIMER, // 37 - PE5
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NOT_ON_TIMER, // 38 - PE6
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NOT_ON_TIMER, // 39 - PE7
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NOT_ON_TIMER, // 40 - A0 - PF0
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NOT_ON_TIMER, // 41 - A1 - PF1
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NOT_ON_TIMER, // 42 - A2 - PF2
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NOT_ON_TIMER, // 43 - A3 - PF3
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NOT_ON_TIMER, // 44 - A4 - PF4
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NOT_ON_TIMER, // 45 - A5 - PF5
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NOT_ON_TIMER, // 46 - A6 - PF6
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NOT_ON_TIMER, // 47 - A7 - PF7
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};
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const uint8_t PROGMEM analog_pin_to_channel_PGM[12] = {
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7, // A0 PF7 ADC7
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6, // A1 PF6 ADC6
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5, // A2 PF5 ADC5
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4, // A3 PF4 ADC4
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1, // A4 PF1 ADC1
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0, // A5 PF0 ADC0
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8, // A6 D4 PD4 ADC8
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10, // A7 D6 PD7 ADC10
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11, // A8 D8 PB4 ADC11
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12, // A9 D9 PB5 ADC12
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13, // A10 D10 PB6 ADC13
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9 // A11 D12 PD6 ADC9
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};
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#endif /* ARDUINO_MAIN */
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#endif /* Pins_Arduino_h */
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