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/*
pins_arduino.h - Pin definition functions for Arduino
Part of Arduino - http://www.arduino.cc/
Copyright (c) 2007 David A. Mellis
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330,
Boston, MA 02111-1307 USA
$Id: wiring.h 249 2007-02-03 16:52:51Z mellis $
*/
#ifndef Pins_Arduino_h
#define Pins_Arduino_h
#include <avr/pgmspace.h>
const static uint8_t SS = 10;
const static uint8_t MOSI = 11;
const static uint8_t MISO = 12;
const static uint8_t SCK = 13;
const static uint8_t A0 = 14;
const static uint8_t A1 = 15;
const static uint8_t A2 = 16;
const static uint8_t A3 = 17;
const static uint8_t A4 = 18;
const static uint8_t A5 = 19;
const static uint8_t A6 = 20;
const static uint8_t A7 = 21;
#ifdef ARDUINO_MAIN
// On the Arduino board, digital pins are also used
// for the analog output (software PWM). Analog input
// pins are a separate set.
// ATMEL ATMEGA8 & 168 / ARDUINO
//
// +-\/-+
// PC6 1| |28 PC5 (AI 5)
// (D 0) PD0 2| |27 PC4 (AI 4)
// (D 1) PD1 3| |26 PC3 (AI 3)
// (D 2) PD2 4| |25 PC2 (AI 2)
// PWM+ (D 3) PD3 5| |24 PC1 (AI 1)
// (D 4) PD4 6| |23 PC0 (AI 0)
// VCC 7| |22 GND
// GND 8| |21 AREF
// PB6 9| |20 AVCC
// PB7 10| |19 PB5 (D 13)
// PWM+ (D 5) PD5 11| |18 PB4 (D 12)
// PWM+ (D 6) PD6 12| |17 PB3 (D 11) PWM
// (D 7) PD7 13| |16 PB2 (D 10) PWM
// (D 8) PB0 14| |15 PB1 (D 9) PWM
// +----+
//
// (PWM+ indicates the additional PWM pins on the ATmega168.)
// ATMEL ATMEGA1280 / ARDUINO
//
// 0-7 PE0-PE7 works
// 8-13 PB0-PB5 works
// 14-21 PA0-PA7 works
// 22-29 PH0-PH7 works
// 30-35 PG5-PG0 works
// 36-43 PC7-PC0 works
// 44-51 PJ7-PJ0 works
// 52-59 PL7-PL0 works
// 60-67 PD7-PD0 works
// A0-A7 PF0-PF7
// A8-A15 PK0-PK7
// these arrays map port names (e.g. port B) to the
// appropriate addresses for various functions (e.g. reading
// and writing)
const uint16_t PROGMEM port_to_mode_PGM[] = {
NOT_A_PORT,
NOT_A_PORT,
(uint16_t) &DDRB,
(uint16_t) &DDRC,
(uint16_t) &DDRD,
};
const uint16_t PROGMEM port_to_output_PGM[] = {
NOT_A_PORT,
NOT_A_PORT,
(uint16_t) &PORTB,
(uint16_t) &PORTC,
(uint16_t) &PORTD,
};
const uint16_t PROGMEM port_to_input_PGM[] = {
NOT_A_PORT,
NOT_A_PORT,
(uint16_t) &PINB,
(uint16_t) &PINC,
(uint16_t) &PIND,
};
const uint8_t PROGMEM digital_pin_to_port_PGM[] = {
PD, /* 0 */
PD,
PD,
PD,
PD,
PD,
PD,
PD,
PB, /* 8 */
PB,
PB,
PB,
PB,
PB,
PC, /* 14 */
PC,
PC,
PC,
PC,
PC,
};
const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[] = {
_BV(0), /* 0, port D */
_BV(1),
_BV(2),
_BV(3),
_BV(4),
_BV(5),
_BV(6),
_BV(7),
_BV(0), /* 8, port B */
_BV(1),
_BV(2),
_BV(3),
_BV(4),
_BV(5),
_BV(0), /* 14, port C */
_BV(1),
_BV(2),
_BV(3),
_BV(4),
_BV(5),
};
const uint8_t PROGMEM digital_pin_to_timer_PGM[] = {
NOT_ON_TIMER, /* 0 - port D */
NOT_ON_TIMER,
NOT_ON_TIMER,
// on the ATmega168, digital pin 3 has hardware pwm
#if defined(__AVR_ATmega8__)
NOT_ON_TIMER,
#else
TIMER2B,
#endif
NOT_ON_TIMER,
// on the ATmega168, digital pins 5 and 6 have hardware pwm
#if defined(__AVR_ATmega8__)
NOT_ON_TIMER,
NOT_ON_TIMER,
#else
TIMER0B,
TIMER0A,
#endif
NOT_ON_TIMER,
NOT_ON_TIMER, /* 8 - port B */
TIMER1A,
TIMER1B,
#if defined(__AVR_ATmega8__)
TIMER2,
#else
TIMER2A,
#endif
NOT_ON_TIMER,
NOT_ON_TIMER,
NOT_ON_TIMER,
NOT_ON_TIMER, /* 14 - port C */
NOT_ON_TIMER,
NOT_ON_TIMER,
NOT_ON_TIMER,
NOT_ON_TIMER,
};
#endif
#endif
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