279 lines
7.8 KiB
C
279 lines
7.8 KiB
C
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/*
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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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Modified 2014-2015 by Matthew Wilson
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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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// PE7 is our status LED
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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 = 1;
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static const uint8_t SCL = 0;
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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 < 8) ? (p) + 38 : -1)
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// Pins below still needs to be configured - Hubbe.
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#define digitalPinToPCICR(p) ((((p) >= 0 && (p) <= 3) || ((p) >= 18 && (p) <= 19) || ((p) >= 36 && (p) <= 37)) ? (&PCICR) : ((uint8_t *)0))
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#define digitalPinToPCICRbit(p) 0
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#define digitalPinToPCMSK(p) ((((p) >= 0 && (p) <= 3) || ((p) >= 18 && (p) <= 19) || ((p) >= 36 && (p) <= 37)) ? (&PCMSK0) : ((uint8_t *)0))
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#define digitalPinToPCMSKbit(p) ( ((p) >= 0 && (p) <= 3) ? (p) : ((p) == 18 ? 6 : ((p) == 19 ? 7 : ((p) == 36 ? 4 : ((p) == 37 ? 5 : (-1))))))
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#define digitalPinHasPWM(p) ((p) == 0 || (p) == 1 || (p) == 14 || (p) == 15 || (p) == 16 || (p) == 24 || (p) == 25 || (p) == 26 || (p) == 27)
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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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PD, // 0 - PD0 - INT0 - PWM
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PD, // 1 - PD1 - INT1 - PWM
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PD, // 2 - PD2 - INT2 - RX
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PD, // 3 - PD3 - INT3 - TX
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PD, // 4 - PD4
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PD, // 5 - PD5
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PD, // 6 - PD6
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PD, // 7 - PD7
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PE, // 8 - PE0
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PE, // 9 - PE1
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PC, // 10 - PC0
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PC, // 11 - PC1
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PC, // 12 - PC2
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PC, // 13 - PC3
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PC, // 14 - PC4 - PWM
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PC, // 15 - PC5 - PWM
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PC, // 16 - PC6 - PWM
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PC, // 17 - PC7
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PE, // 18 - PE6 - INT6
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PE, // 19 - PE7 - INT7
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PB, // 20 - PB0
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PB, // 21 - PB1
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PB, // 22 - PB2
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PB, // 23 - PB3
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PB, // 24 - PB4 - PWM
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PB, // 25 - PB5 - PWM
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PB, // 26 - PB6 - PWM
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PB, // 27 - PB7 - PWM
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PA, // 28 - PA0
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PA, // 29 - PA1
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PA, // 30 - PA2
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PA, // 31 - PA3
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PA, // 32 - PA4
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PA, // 33 - PA5
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PA, // 34 - PA6
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PA, // 35 - PA7
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PE, // 36 - PE4 - INT4
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PE, // 37 - PE5 - INT5
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PF, // 38 - PF0 - A0
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PF, // 39 - PF1 - A1
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PF, // 40 - PF2 - A2
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PF, // 41 - PF3 - A3
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PF, // 42 - PF4 - A4
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PF, // 43 - PF5 - A5
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PF, // 44 - PF6 - A6
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PF, // 45 - PF7 - A7
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PE, // 46 - PE2 (not defined in teensy)
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PE, // 47 - PE3 (not defined in teensy)
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};
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const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[] = {
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_BV(0), // 0 - PD0 - INT0 - PWM
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_BV(1), // 1 - PD1 - INT1 - PWM
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_BV(2), // 2 - PD2 - INT2 - RX
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_BV(3), // 3 - PD3 - INT3 - TX
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_BV(4), // 4 - PD4
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_BV(5), // 5 - PD5
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_BV(6), // 6 - PD6
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_BV(7), // 7 - PD7
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_BV(0), // 8 - PE0
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_BV(1), // 9 - PE1
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_BV(0), // 10 - PC0
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_BV(1), // 11 - PC1
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_BV(2), // 12 - PC2
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_BV(3), // 13 - PC3
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_BV(4), // 14 - PC4 - PWM
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_BV(5), // 15 - PC5 - PWM
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_BV(6), // 16 - PC6 - PWM
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_BV(7), // 17 - PC7
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_BV(6), // 18 - PE6 - INT6
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_BV(7), // 19 - PE7 - INT7
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_BV(0), // 20 - PB0
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_BV(1), // 21 - PB1
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_BV(2), // 22 - PB2
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_BV(3), // 23 - PB3
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_BV(4), // 24 - PB4 - PWM
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_BV(5), // 25 - PB5 - PWM
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_BV(6), // 26 - PB6 - PWM
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_BV(7), // 27 - PB7 - PWM
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_BV(0), // 28 - PA0
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_BV(1), // 29 - PA1
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_BV(2), // 30 - PA2
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_BV(3), // 31 - PA3
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_BV(4), // 32 - PA4
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_BV(5), // 33 - PA5
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_BV(6), // 34 - PA6
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_BV(7), // 35 - PA7
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_BV(4), // 36 - PE4 - INT4
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_BV(5), // 37 - PE5 - INT5
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_BV(0), // 38 - PF0 - A0
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_BV(1), // 39 - PF1 - A1
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_BV(2), // 40 - PF2 - A2
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_BV(3), // 41 - PF3 - A3
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_BV(4), // 42 - PF4 - A4
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_BV(5), // 43 - PF5 - A5
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_BV(6), // 44 - PF6 - A6
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_BV(7), // 45 - PF7 - A7
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_BV(2), // 46 - PE2 (not defined in teensy)
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_BV(3), // 47 - PE3 (not defined in teensy)
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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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TIMER0A, // 0 - PD0 - INT0 - PWM
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TIMER2B, // 1 - PD1 - INT1 - PWM
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NOT_ON_TIMER, // 2 - PD2 - INT2 - RX
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NOT_ON_TIMER, // 3 - PD3 - INT3 - TX
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NOT_ON_TIMER, // 4 - PD4
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NOT_ON_TIMER, // 5 - PD5
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NOT_ON_TIMER, // 6 - PD6
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NOT_ON_TIMER, // 7 - PD7
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NOT_ON_TIMER, // 8 - PE0
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NOT_ON_TIMER, // 9 - PE1
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NOT_ON_TIMER, // 10 - PC0
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NOT_ON_TIMER, // 11 - PC1
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NOT_ON_TIMER, // 12 - PC2
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NOT_ON_TIMER, // 13 - PC3
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TIMER3C, // 14 - PC4 - PWM
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TIMER3B, // 15 - PC5 - PWM
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TIMER3A, // 16 - PC6 - PWM
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NOT_ON_TIMER, // 17 - PC7
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NOT_ON_TIMER, // 18 - PE6 - INT6
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NOT_ON_TIMER, // 19 - PE7 - INT7
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NOT_ON_TIMER, // 20 - PB0
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NOT_ON_TIMER, // 21 - PB1
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NOT_ON_TIMER, // 22 - PB2
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NOT_ON_TIMER, // 23 - PB3
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TIMER2A, // 24 - PB4 - PWM
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TIMER1A, // 25 - PB5 - PWM
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TIMER1B, // 26 - PB6 - PWM
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NOT_ON_TIMER, // 27 - PB7 - PWM // This should be on TIMER1C
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NOT_ON_TIMER, // 28 - PA0
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NOT_ON_TIMER, // 29 - PA1
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NOT_ON_TIMER, // 30 - PA2
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NOT_ON_TIMER, // 31 - PA3
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NOT_ON_TIMER, // 32 - PA4
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NOT_ON_TIMER, // 33 - PA5
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NOT_ON_TIMER, // 34 - PA6
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NOT_ON_TIMER, // 35 - PA7
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NOT_ON_TIMER, // 36 - PE4 - INT4
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NOT_ON_TIMER, // 37 - PE5 - INT5
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NOT_ON_TIMER, // 38 - PF0 - A0
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NOT_ON_TIMER, // 39 - PF1 - A1
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NOT_ON_TIMER, // 40 - PF2 - A2
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NOT_ON_TIMER, // 41 - PF3 - A3
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NOT_ON_TIMER, // 42 - PF4 - A4
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NOT_ON_TIMER, // 43 - PF5 - A5
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NOT_ON_TIMER, // 44 - PF6 - A6
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NOT_ON_TIMER, // 45 - PF7 - A7
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NOT_ON_TIMER, // 46 - PE2 (not defined in teensy)
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NOT_ON_TIMER, // 47 - PE3 (not defined in teensy)
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};
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const uint8_t PROGMEM analog_pin_to_channel_PGM[8] = {
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0, // A0 PF0 ADC0
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1, // A1 PF1 ADC1
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2, // A2 PF2 ADC2
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3, // A3 PF3 ADC3
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4, // A4 PF4 ADC4
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5, // A5 PF5 ADC5
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6, // A6 PD6 ADC6
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7, // A7 PD7 ADC7
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};
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#endif /* ARDUINO_MAIN */
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#endif /* Pins_Arduino_h */
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