|
| 1 | +/* |
| 2 | + pins_arduino.h - Pin definition functions for Arduino |
| 3 | + Part of Arduino - http://www.arduino.cc/ |
| 4 | +
|
| 5 | + Copyright (c) 2007 David A. Mellis |
| 6 | +
|
| 7 | + This library is free software; you can redistribute it and/or |
| 8 | + modify it under the terms of the GNU Lesser General Public |
| 9 | + License as published by the Free Software Foundation; either |
| 10 | + version 2.1 of the License, or (at your option) any later version. |
| 11 | +
|
| 12 | + This library is distributed in the hope that it will be useful, |
| 13 | + but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | + Lesser General Public License for more details. |
| 16 | +
|
| 17 | + You should have received a copy of the GNU Lesser General |
| 18 | + Public License along with this library; if not, write to the |
| 19 | + Free Software Foundation, Inc., 59 Temple Place, Suite 330, |
| 20 | + Boston, MA 02111-1307 USA |
| 21 | +
|
| 22 | + $Id: wiring.h 249 2007-02-03 16:52:51Z mellis $ |
| 23 | +*/ |
| 24 | + |
| 25 | +#ifndef Pins_Arduino_h |
| 26 | +#define Pins_Arduino_h |
| 27 | + |
| 28 | +#include <avr/pgmspace.h> |
| 29 | + |
| 30 | +#define NUM_DIGITAL_PINS 20 |
| 31 | +#define NUM_ANALOG_INPUTS 6 |
| 32 | +#define analogInputToDigitalPin(p) ((p < 6) ? (p) + 14 : -1) |
| 33 | + |
| 34 | +#if defined(__AVR_ATmega8__) |
| 35 | +#define digitalPinHasPWM(p) ((p) == 9 || (p) == 10 || (p) == 11) |
| 36 | +#else |
| 37 | +#define digitalPinHasPWM(p) ((p) == 3 || (p) == 5 || (p) == 6 || (p) == 9 || (p) == 10 || (p) == 11) |
| 38 | +#endif |
| 39 | + |
| 40 | +static const uint8_t SS = 10; |
| 41 | +static const uint8_t MOSI = 11; |
| 42 | +static const uint8_t MISO = 12; |
| 43 | +static const uint8_t SCK = 13; |
| 44 | + |
| 45 | +static const uint8_t SDA = 18; |
| 46 | +static const uint8_t SCL = 19; |
| 47 | +static const uint8_t LED_BUILTIN = 9; |
| 48 | + |
| 49 | +static const uint8_t A0 = 14; |
| 50 | +static const uint8_t A1 = 15; |
| 51 | +static const uint8_t A2 = 16; |
| 52 | +static const uint8_t A3 = 17; |
| 53 | +static const uint8_t A4 = 18; |
| 54 | +static const uint8_t A5 = 19; |
| 55 | +static const uint8_t A6 = 20; |
| 56 | +static const uint8_t A7 = 21; |
| 57 | + |
| 58 | +#define digitalPinToPCICR(p) (((p) >= 0 && (p) <= 21) ? (&PCICR) : ((uint8_t *)0)) |
| 59 | +#define digitalPinToPCICRbit(p) (((p) <= 7) ? 2 : (((p) <= 13) ? 0 : 1)) |
| 60 | +#define digitalPinToPCMSK(p) (((p) <= 7) ? (&PCMSK2) : (((p) <= 13) ? (&PCMSK0) : (((p) <= 21) ? (&PCMSK1) : ((uint8_t *)0)))) |
| 61 | +#define digitalPinToPCMSKbit(p) (((p) <= 7) ? (p) : (((p) <= 13) ? ((p) - 8) : ((p) - 14))) |
| 62 | + |
| 63 | +#ifdef ARDUINO_MAIN |
| 64 | + |
| 65 | +// On the Arduino board, digital pins are also used |
| 66 | +// for the analog output (software PWM). Analog input |
| 67 | +// pins are a separate set. |
| 68 | + |
| 69 | +// ATMEL ATMEGA8 & 168 / ARDUINO |
| 70 | +// |
| 71 | +// +-\/-+ |
| 72 | +// PC6 1| |28 PC5 (AI 5) |
| 73 | +// (D 0) PD0 2| |27 PC4 (AI 4) |
| 74 | +// (D 1) PD1 3| |26 PC3 (AI 3) |
| 75 | +// (D 2) PD2 4| |25 PC2 (AI 2) |
| 76 | +// PWM+ (D 3) PD3 5| |24 PC1 (AI 1) |
| 77 | +// (D 4) PD4 6| |23 PC0 (AI 0) |
| 78 | +// VCC 7| |22 GND |
| 79 | +// GND 8| |21 AREF |
| 80 | +// PB6 9| |20 AVCC |
| 81 | +// PB7 10| |19 PB5 (D 13) |
| 82 | +// PWM+ (D 5) PD5 11| |18 PB4 (D 12) |
| 83 | +// PWM+ (D 6) PD6 12| |17 PB3 (D 11) PWM |
| 84 | +// (D 7) PD7 13| |16 PB2 (D 10) PWM |
| 85 | +// (D 8) PB0 14| |15 PB1 (D 9) PWM |
| 86 | +// +----+ |
| 87 | +// |
| 88 | +// (PWM+ indicates the additional PWM pins on the ATmega168.) |
| 89 | + |
| 90 | +// ATMEL ATMEGA1280 / ARDUINO |
| 91 | +// |
| 92 | +// 0-7 PE0-PE7 works |
| 93 | +// 8-13 PB0-PB5 works |
| 94 | +// 14-21 PA0-PA7 works |
| 95 | +// 22-29 PH0-PH7 works |
| 96 | +// 30-35 PG5-PG0 works |
| 97 | +// 36-43 PC7-PC0 works |
| 98 | +// 44-51 PJ7-PJ0 works |
| 99 | +// 52-59 PL7-PL0 works |
| 100 | +// 60-67 PD7-PD0 works |
| 101 | +// A0-A7 PF0-PF7 |
| 102 | +// A8-A15 PK0-PK7 |
| 103 | + |
| 104 | + |
| 105 | +// these arrays map port names (e.g. port B) to the |
| 106 | +// appropriate addresses for various functions (e.g. reading |
| 107 | +// and writing) |
| 108 | +const uint16_t PROGMEM port_to_mode_PGM[] = { |
| 109 | + NOT_A_PORT, |
| 110 | + NOT_A_PORT, |
| 111 | + (uint16_t) &DDRB, |
| 112 | + (uint16_t) &DDRC, |
| 113 | + (uint16_t) &DDRD, |
| 114 | +}; |
| 115 | + |
| 116 | +const uint16_t PROGMEM port_to_output_PGM[] = { |
| 117 | + NOT_A_PORT, |
| 118 | + NOT_A_PORT, |
| 119 | + (uint16_t) &PORTB, |
| 120 | + (uint16_t) &PORTC, |
| 121 | + (uint16_t) &PORTD, |
| 122 | +}; |
| 123 | + |
| 124 | +const uint16_t PROGMEM port_to_input_PGM[] = { |
| 125 | + NOT_A_PORT, |
| 126 | + NOT_A_PORT, |
| 127 | + (uint16_t) &PINB, |
| 128 | + (uint16_t) &PINC, |
| 129 | + (uint16_t) &PIND, |
| 130 | +}; |
| 131 | + |
| 132 | +const uint8_t PROGMEM digital_pin_to_port_PGM[] = { |
| 133 | + PD, /* 0 */ |
| 134 | + PD, |
| 135 | + PD, |
| 136 | + PD, |
| 137 | + PD, |
| 138 | + PD, |
| 139 | + PD, |
| 140 | + PD, |
| 141 | + PB, /* 8 */ |
| 142 | + PB, |
| 143 | + PB, |
| 144 | + PB, |
| 145 | + PB, |
| 146 | + PB, |
| 147 | + PC, /* 14 */ |
| 148 | + PC, |
| 149 | + PC, |
| 150 | + PC, |
| 151 | + PC, |
| 152 | + PC, |
| 153 | +}; |
| 154 | + |
| 155 | +const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[] = { |
| 156 | + _BV(0), /* 0, port D */ |
| 157 | + _BV(1), |
| 158 | + _BV(2), |
| 159 | + _BV(3), |
| 160 | + _BV(4), |
| 161 | + _BV(5), |
| 162 | + _BV(6), |
| 163 | + _BV(7), |
| 164 | + _BV(0), /* 8, port B */ |
| 165 | + _BV(1), |
| 166 | + _BV(2), |
| 167 | + _BV(3), |
| 168 | + _BV(4), |
| 169 | + _BV(5), |
| 170 | + _BV(0), /* 14, port C */ |
| 171 | + _BV(1), |
| 172 | + _BV(2), |
| 173 | + _BV(3), |
| 174 | + _BV(4), |
| 175 | + _BV(5), |
| 176 | +}; |
| 177 | + |
| 178 | +const uint8_t PROGMEM digital_pin_to_timer_PGM[] = { |
| 179 | + NOT_ON_TIMER, /* 0 - port D */ |
| 180 | + NOT_ON_TIMER, |
| 181 | + NOT_ON_TIMER, |
| 182 | + // on the ATmega168, digital pin 3 has hardware pwm |
| 183 | +#if defined(__AVR_ATmega8__) |
| 184 | + NOT_ON_TIMER, |
| 185 | +#else |
| 186 | + TIMER2B, |
| 187 | +#endif |
| 188 | + NOT_ON_TIMER, |
| 189 | + // on the ATmega168, digital pins 5 and 6 have hardware pwm |
| 190 | +#if defined(__AVR_ATmega8__) |
| 191 | + NOT_ON_TIMER, |
| 192 | + NOT_ON_TIMER, |
| 193 | +#else |
| 194 | + TIMER0B, |
| 195 | + TIMER0A, |
| 196 | +#endif |
| 197 | + NOT_ON_TIMER, |
| 198 | + NOT_ON_TIMER, /* 8 - port B */ |
| 199 | + TIMER1A, |
| 200 | + TIMER1B, |
| 201 | +#if defined(__AVR_ATmega8__) |
| 202 | + TIMER2, |
| 203 | +#else |
| 204 | + TIMER2A, |
| 205 | +#endif |
| 206 | + NOT_ON_TIMER, |
| 207 | + NOT_ON_TIMER, |
| 208 | + NOT_ON_TIMER, |
| 209 | + NOT_ON_TIMER, /* 14 - port C */ |
| 210 | + NOT_ON_TIMER, |
| 211 | + NOT_ON_TIMER, |
| 212 | + NOT_ON_TIMER, |
| 213 | + NOT_ON_TIMER, |
| 214 | +}; |
| 215 | + |
| 216 | +#endif |
| 217 | + |
| 218 | +#endif |
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