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https://github.com/arduino/Arduino.git
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373 lines
13 KiB
C
373 lines
13 KiB
C
/* Arduino SdFat Library
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* Copyright (C) 2010 by William Greiman
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*
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* This file is part of the Arduino SdFat Library
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*
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* This Library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with the Arduino SdFat Library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#if defined(__arm__) // Arduino Due Board follows
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#ifndef Sd2PinMap_h
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#define Sd2PinMap_h
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#include <Arduino.h>
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uint8_t const SS_PIN = SS;
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uint8_t const MOSI_PIN = MOSI;
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uint8_t const MISO_PIN = MISO;
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uint8_t const SCK_PIN = SCK;
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#endif // Sd2PinMap_h
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#elif defined(__AVR__) // Other AVR based Boards follows
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// Warning this file was generated by a program.
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#ifndef Sd2PinMap_h
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#define Sd2PinMap_h
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#include <avr/io.h>
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//------------------------------------------------------------------------------
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/** struct for mapping digital pins */
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struct pin_map_t {
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volatile uint8_t* ddr;
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volatile uint8_t* pin;
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volatile uint8_t* port;
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uint8_t bit;
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};
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//------------------------------------------------------------------------------
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#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
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// Mega
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// Two Wire (aka I2C) ports
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uint8_t const SDA_PIN = 20;
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uint8_t const SCL_PIN = 21;
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// SPI port
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uint8_t const SS_PIN = 53;
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uint8_t const MOSI_PIN = 51;
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uint8_t const MISO_PIN = 50;
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uint8_t const SCK_PIN = 52;
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static const pin_map_t digitalPinMap[] = {
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{&DDRE, &PINE, &PORTE, 0}, // E0 0
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{&DDRE, &PINE, &PORTE, 1}, // E1 1
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{&DDRE, &PINE, &PORTE, 4}, // E4 2
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{&DDRE, &PINE, &PORTE, 5}, // E5 3
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{&DDRG, &PING, &PORTG, 5}, // G5 4
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{&DDRE, &PINE, &PORTE, 3}, // E3 5
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{&DDRH, &PINH, &PORTH, 3}, // H3 6
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{&DDRH, &PINH, &PORTH, 4}, // H4 7
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{&DDRH, &PINH, &PORTH, 5}, // H5 8
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{&DDRH, &PINH, &PORTH, 6}, // H6 9
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{&DDRB, &PINB, &PORTB, 4}, // B4 10
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{&DDRB, &PINB, &PORTB, 5}, // B5 11
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{&DDRB, &PINB, &PORTB, 6}, // B6 12
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{&DDRB, &PINB, &PORTB, 7}, // B7 13
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{&DDRJ, &PINJ, &PORTJ, 1}, // J1 14
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{&DDRJ, &PINJ, &PORTJ, 0}, // J0 15
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{&DDRH, &PINH, &PORTH, 1}, // H1 16
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{&DDRH, &PINH, &PORTH, 0}, // H0 17
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{&DDRD, &PIND, &PORTD, 3}, // D3 18
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{&DDRD, &PIND, &PORTD, 2}, // D2 19
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{&DDRD, &PIND, &PORTD, 1}, // D1 20
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{&DDRD, &PIND, &PORTD, 0}, // D0 21
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{&DDRA, &PINA, &PORTA, 0}, // A0 22
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{&DDRA, &PINA, &PORTA, 1}, // A1 23
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{&DDRA, &PINA, &PORTA, 2}, // A2 24
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{&DDRA, &PINA, &PORTA, 3}, // A3 25
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{&DDRA, &PINA, &PORTA, 4}, // A4 26
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{&DDRA, &PINA, &PORTA, 5}, // A5 27
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{&DDRA, &PINA, &PORTA, 6}, // A6 28
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{&DDRA, &PINA, &PORTA, 7}, // A7 29
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{&DDRC, &PINC, &PORTC, 7}, // C7 30
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{&DDRC, &PINC, &PORTC, 6}, // C6 31
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{&DDRC, &PINC, &PORTC, 5}, // C5 32
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{&DDRC, &PINC, &PORTC, 4}, // C4 33
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{&DDRC, &PINC, &PORTC, 3}, // C3 34
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{&DDRC, &PINC, &PORTC, 2}, // C2 35
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{&DDRC, &PINC, &PORTC, 1}, // C1 36
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{&DDRC, &PINC, &PORTC, 0}, // C0 37
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{&DDRD, &PIND, &PORTD, 7}, // D7 38
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{&DDRG, &PING, &PORTG, 2}, // G2 39
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{&DDRG, &PING, &PORTG, 1}, // G1 40
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{&DDRG, &PING, &PORTG, 0}, // G0 41
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{&DDRL, &PINL, &PORTL, 7}, // L7 42
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{&DDRL, &PINL, &PORTL, 6}, // L6 43
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{&DDRL, &PINL, &PORTL, 5}, // L5 44
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{&DDRL, &PINL, &PORTL, 4}, // L4 45
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{&DDRL, &PINL, &PORTL, 3}, // L3 46
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{&DDRL, &PINL, &PORTL, 2}, // L2 47
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{&DDRL, &PINL, &PORTL, 1}, // L1 48
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{&DDRL, &PINL, &PORTL, 0}, // L0 49
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{&DDRB, &PINB, &PORTB, 3}, // B3 50
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{&DDRB, &PINB, &PORTB, 2}, // B2 51
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{&DDRB, &PINB, &PORTB, 1}, // B1 52
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{&DDRB, &PINB, &PORTB, 0}, // B0 53
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{&DDRF, &PINF, &PORTF, 0}, // F0 54
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{&DDRF, &PINF, &PORTF, 1}, // F1 55
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{&DDRF, &PINF, &PORTF, 2}, // F2 56
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{&DDRF, &PINF, &PORTF, 3}, // F3 57
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{&DDRF, &PINF, &PORTF, 4}, // F4 58
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{&DDRF, &PINF, &PORTF, 5}, // F5 59
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{&DDRF, &PINF, &PORTF, 6}, // F6 60
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{&DDRF, &PINF, &PORTF, 7}, // F7 61
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{&DDRK, &PINK, &PORTK, 0}, // K0 62
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{&DDRK, &PINK, &PORTK, 1}, // K1 63
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{&DDRK, &PINK, &PORTK, 2}, // K2 64
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{&DDRK, &PINK, &PORTK, 3}, // K3 65
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{&DDRK, &PINK, &PORTK, 4}, // K4 66
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{&DDRK, &PINK, &PORTK, 5}, // K5 67
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{&DDRK, &PINK, &PORTK, 6}, // K6 68
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{&DDRK, &PINK, &PORTK, 7} // K7 69
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};
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//------------------------------------------------------------------------------
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#elif defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644__)
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// Sanguino
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// Two Wire (aka I2C) ports
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uint8_t const SDA_PIN = 17;
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uint8_t const SCL_PIN = 18;
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// SPI port
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uint8_t const SS_PIN = 4;
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uint8_t const MOSI_PIN = 5;
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uint8_t const MISO_PIN = 6;
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uint8_t const SCK_PIN = 7;
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static const pin_map_t digitalPinMap[] = {
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{&DDRB, &PINB, &PORTB, 0}, // B0 0
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{&DDRB, &PINB, &PORTB, 1}, // B1 1
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{&DDRB, &PINB, &PORTB, 2}, // B2 2
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{&DDRB, &PINB, &PORTB, 3}, // B3 3
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{&DDRB, &PINB, &PORTB, 4}, // B4 4
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{&DDRB, &PINB, &PORTB, 5}, // B5 5
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{&DDRB, &PINB, &PORTB, 6}, // B6 6
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{&DDRB, &PINB, &PORTB, 7}, // B7 7
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{&DDRD, &PIND, &PORTD, 0}, // D0 8
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{&DDRD, &PIND, &PORTD, 1}, // D1 9
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{&DDRD, &PIND, &PORTD, 2}, // D2 10
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{&DDRD, &PIND, &PORTD, 3}, // D3 11
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{&DDRD, &PIND, &PORTD, 4}, // D4 12
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{&DDRD, &PIND, &PORTD, 5}, // D5 13
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{&DDRD, &PIND, &PORTD, 6}, // D6 14
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{&DDRD, &PIND, &PORTD, 7}, // D7 15
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{&DDRC, &PINC, &PORTC, 0}, // C0 16
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{&DDRC, &PINC, &PORTC, 1}, // C1 17
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{&DDRC, &PINC, &PORTC, 2}, // C2 18
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{&DDRC, &PINC, &PORTC, 3}, // C3 19
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{&DDRC, &PINC, &PORTC, 4}, // C4 20
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{&DDRC, &PINC, &PORTC, 5}, // C5 21
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{&DDRC, &PINC, &PORTC, 6}, // C6 22
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{&DDRC, &PINC, &PORTC, 7}, // C7 23
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{&DDRA, &PINA, &PORTA, 7}, // A7 24
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{&DDRA, &PINA, &PORTA, 6}, // A6 25
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{&DDRA, &PINA, &PORTA, 5}, // A5 26
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{&DDRA, &PINA, &PORTA, 4}, // A4 27
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{&DDRA, &PINA, &PORTA, 3}, // A3 28
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{&DDRA, &PINA, &PORTA, 2}, // A2 29
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{&DDRA, &PINA, &PORTA, 1}, // A1 30
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{&DDRA, &PINA, &PORTA, 0} // A0 31
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};
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//------------------------------------------------------------------------------
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#elif defined(__AVR_ATmega32U4__)
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// Leonardo
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// Two Wire (aka I2C) ports
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uint8_t const SDA_PIN = 2;
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uint8_t const SCL_PIN = 3;
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// SPI port
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uint8_t const SS_PIN = 17;
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uint8_t const MOSI_PIN = 16;
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uint8_t const MISO_PIN = 14;
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uint8_t const SCK_PIN = 15;
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static const pin_map_t digitalPinMap[] = {
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{&DDRD, &PIND, &PORTD, 2}, // D2 0
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{&DDRD, &PIND, &PORTD, 3}, // D3 1
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{&DDRD, &PIND, &PORTD, 1}, // D1 2
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{&DDRD, &PIND, &PORTD, 0}, // D0 3
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{&DDRD, &PIND, &PORTD, 4}, // D4 4
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{&DDRC, &PINC, &PORTC, 6}, // C6 5
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{&DDRD, &PIND, &PORTD, 7}, // D7 6
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{&DDRE, &PINE, &PORTE, 6}, // E6 7
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{&DDRB, &PINB, &PORTB, 4}, // B4 8
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{&DDRB, &PINB, &PORTB, 5}, // B5 9
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{&DDRB, &PINB, &PORTB, 6}, // B6 10
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{&DDRB, &PINB, &PORTB, 7}, // B7 11
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{&DDRD, &PIND, &PORTD, 6}, // D6 12
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{&DDRC, &PINC, &PORTC, 7}, // C7 13
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{&DDRB, &PINB, &PORTB, 3}, // B3 14
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{&DDRB, &PINB, &PORTB, 1}, // B1 15
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{&DDRB, &PINB, &PORTB, 2}, // B2 16
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{&DDRB, &PINB, &PORTB, 0}, // B0 17
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{&DDRF, &PINF, &PORTF, 7}, // F7 18
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{&DDRF, &PINF, &PORTF, 6}, // F6 19
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{&DDRF, &PINF, &PORTF, 5}, // F5 20
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{&DDRF, &PINF, &PORTF, 4}, // F4 21
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{&DDRF, &PINF, &PORTF, 1}, // F1 22
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{&DDRF, &PINF, &PORTF, 0}, // F0 23
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};
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//------------------------------------------------------------------------------
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#elif defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB1286__)
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// Teensy++ 1.0 & 2.0
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// Two Wire (aka I2C) ports
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uint8_t const SDA_PIN = 1;
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uint8_t const SCL_PIN = 0;
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// SPI port
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uint8_t const SS_PIN = 20;
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uint8_t const MOSI_PIN = 22;
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uint8_t const MISO_PIN = 23;
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uint8_t const SCK_PIN = 21;
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static const pin_map_t digitalPinMap[] = {
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{&DDRD, &PIND, &PORTD, 0}, // D0 0
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{&DDRD, &PIND, &PORTD, 1}, // D1 1
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{&DDRD, &PIND, &PORTD, 2}, // D2 2
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{&DDRD, &PIND, &PORTD, 3}, // D3 3
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{&DDRD, &PIND, &PORTD, 4}, // D4 4
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{&DDRD, &PIND, &PORTD, 5}, // D5 5
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{&DDRD, &PIND, &PORTD, 6}, // D6 6
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{&DDRD, &PIND, &PORTD, 7}, // D7 7
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{&DDRE, &PINE, &PORTE, 0}, // E0 8
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{&DDRE, &PINE, &PORTE, 1}, // E1 9
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{&DDRC, &PINC, &PORTC, 0}, // C0 10
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{&DDRC, &PINC, &PORTC, 1}, // C1 11
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{&DDRC, &PINC, &PORTC, 2}, // C2 12
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{&DDRC, &PINC, &PORTC, 3}, // C3 13
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{&DDRC, &PINC, &PORTC, 4}, // C4 14
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{&DDRC, &PINC, &PORTC, 5}, // C5 15
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{&DDRC, &PINC, &PORTC, 6}, // C6 16
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{&DDRC, &PINC, &PORTC, 7}, // C7 17
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{&DDRE, &PINE, &PORTE, 6}, // E6 18
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{&DDRE, &PINE, &PORTE, 7}, // E7 19
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{&DDRB, &PINB, &PORTB, 0}, // B0 20
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{&DDRB, &PINB, &PORTB, 1}, // B1 21
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{&DDRB, &PINB, &PORTB, 2}, // B2 22
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{&DDRB, &PINB, &PORTB, 3}, // B3 23
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{&DDRB, &PINB, &PORTB, 4}, // B4 24
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{&DDRB, &PINB, &PORTB, 5}, // B5 25
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{&DDRB, &PINB, &PORTB, 6}, // B6 26
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{&DDRB, &PINB, &PORTB, 7}, // B7 27
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{&DDRA, &PINA, &PORTA, 0}, // A0 28
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{&DDRA, &PINA, &PORTA, 1}, // A1 29
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{&DDRA, &PINA, &PORTA, 2}, // A2 30
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{&DDRA, &PINA, &PORTA, 3}, // A3 31
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{&DDRA, &PINA, &PORTA, 4}, // A4 32
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{&DDRA, &PINA, &PORTA, 5}, // A5 33
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{&DDRA, &PINA, &PORTA, 6}, // A6 34
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{&DDRA, &PINA, &PORTA, 7}, // A7 35
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{&DDRE, &PINE, &PORTE, 4}, // E4 36
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{&DDRE, &PINE, &PORTE, 5}, // E5 37
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{&DDRF, &PINF, &PORTF, 0}, // F0 38
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{&DDRF, &PINF, &PORTF, 1}, // F1 39
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{&DDRF, &PINF, &PORTF, 2}, // F2 40
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{&DDRF, &PINF, &PORTF, 3}, // F3 41
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{&DDRF, &PINF, &PORTF, 4}, // F4 42
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{&DDRF, &PINF, &PORTF, 5}, // F5 43
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{&DDRF, &PINF, &PORTF, 6}, // F6 44
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{&DDRF, &PINF, &PORTF, 7} // F7 45
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};
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//------------------------------------------------------------------------------
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#else // defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
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// 168 and 328 Arduinos
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// Two Wire (aka I2C) ports
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uint8_t const SDA_PIN = 18;
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uint8_t const SCL_PIN = 19;
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// SPI port
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uint8_t const SS_PIN = 10;
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uint8_t const MOSI_PIN = 11;
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uint8_t const MISO_PIN = 12;
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uint8_t const SCK_PIN = 13;
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static const pin_map_t digitalPinMap[] = {
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{&DDRD, &PIND, &PORTD, 0}, // D0 0
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{&DDRD, &PIND, &PORTD, 1}, // D1 1
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{&DDRD, &PIND, &PORTD, 2}, // D2 2
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{&DDRD, &PIND, &PORTD, 3}, // D3 3
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{&DDRD, &PIND, &PORTD, 4}, // D4 4
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{&DDRD, &PIND, &PORTD, 5}, // D5 5
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{&DDRD, &PIND, &PORTD, 6}, // D6 6
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{&DDRD, &PIND, &PORTD, 7}, // D7 7
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{&DDRB, &PINB, &PORTB, 0}, // B0 8
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{&DDRB, &PINB, &PORTB, 1}, // B1 9
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{&DDRB, &PINB, &PORTB, 2}, // B2 10
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{&DDRB, &PINB, &PORTB, 3}, // B3 11
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{&DDRB, &PINB, &PORTB, 4}, // B4 12
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{&DDRB, &PINB, &PORTB, 5}, // B5 13
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{&DDRC, &PINC, &PORTC, 0}, // C0 14
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{&DDRC, &PINC, &PORTC, 1}, // C1 15
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{&DDRC, &PINC, &PORTC, 2}, // C2 16
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{&DDRC, &PINC, &PORTC, 3}, // C3 17
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{&DDRC, &PINC, &PORTC, 4}, // C4 18
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{&DDRC, &PINC, &PORTC, 5} // C5 19
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};
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#endif // defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
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//------------------------------------------------------------------------------
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static const uint8_t digitalPinCount = sizeof(digitalPinMap)/sizeof(pin_map_t);
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uint8_t badPinNumber(void)
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__attribute__((error("Pin number is too large or not a constant")));
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static inline __attribute__((always_inline))
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uint8_t getPinMode(uint8_t pin) {
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if (__builtin_constant_p(pin) && pin < digitalPinCount) {
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return (*digitalPinMap[pin].ddr >> digitalPinMap[pin].bit) & 1;
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} else {
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return badPinNumber();
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}
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}
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static inline __attribute__((always_inline))
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void setPinMode(uint8_t pin, uint8_t mode) {
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if (__builtin_constant_p(pin) && pin < digitalPinCount) {
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if (mode) {
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*digitalPinMap[pin].ddr |= 1 << digitalPinMap[pin].bit;
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} else {
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*digitalPinMap[pin].ddr &= ~(1 << digitalPinMap[pin].bit);
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}
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} else {
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badPinNumber();
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}
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}
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static inline __attribute__((always_inline))
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uint8_t fastDigitalRead(uint8_t pin) {
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if (__builtin_constant_p(pin) && pin < digitalPinCount) {
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return (*digitalPinMap[pin].pin >> digitalPinMap[pin].bit) & 1;
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} else {
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return badPinNumber();
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}
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}
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static inline __attribute__((always_inline))
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void fastDigitalWrite(uint8_t pin, uint8_t value) {
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if (__builtin_constant_p(pin) && pin < digitalPinCount) {
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if (value) {
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*digitalPinMap[pin].port |= 1 << digitalPinMap[pin].bit;
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} else {
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*digitalPinMap[pin].port &= ~(1 << digitalPinMap[pin].bit);
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}
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} else {
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|
badPinNumber();
|
|
}
|
|
}
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#endif // Sd2PinMap_h
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|
|
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#else
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#error Architecture or board not supported.
|
|
#endif
|