You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
88 lines
3.0 KiB
88 lines
3.0 KiB
/* |
|
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> |
|
|
|
#define NOT_A_PIN 0 |
|
#define NOT_A_PORT 0 |
|
|
|
#define NOT_ON_TIMER 0 |
|
#define TIMER0A 1 |
|
#define TIMER0B 2 |
|
#define TIMER1A 3 |
|
#define TIMER1B 4 |
|
#define TIMER2 5 |
|
#define TIMER2A 6 |
|
#define TIMER2B 7 |
|
|
|
#define TIMER3A 8 |
|
#define TIMER3B 9 |
|
#define TIMER3C 10 |
|
#define TIMER4A 11 |
|
#define TIMER4B 12 |
|
#define TIMER4C 13 |
|
#define TIMER5A 14 |
|
#define TIMER5B 15 |
|
#define TIMER5C 16 |
|
|
|
#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__) || defined(DESKTOP_BUILD) |
|
const static uint8_t SS = 53; |
|
const static uint8_t MOSI = 51; |
|
const static uint8_t MISO = 50; |
|
const static uint8_t SCK = 52; |
|
#else |
|
const static uint8_t SS = 10; |
|
const static uint8_t MOSI = 11; |
|
const static uint8_t MISO = 12; |
|
const static uint8_t SCK = 13; |
|
#endif |
|
|
|
// On the ATmega1280, the addresses of some of the port registers are |
|
// greater than 255, so we can't store them in uint8_t's. |
|
extern const uint16_t PROGMEM port_to_mode_PGM[]; |
|
extern const uint16_t PROGMEM port_to_input_PGM[]; |
|
extern const uint16_t PROGMEM port_to_output_PGM[]; |
|
|
|
extern const uint8_t PROGMEM digital_pin_to_port_PGM[]; |
|
// extern const uint8_t PROGMEM digital_pin_to_bit_PGM[]; |
|
extern const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[]; |
|
extern const uint8_t PROGMEM digital_pin_to_timer_PGM[]; |
|
|
|
// Get the bit location within the hardware port of the given virtual pin. |
|
// This comes from the pins_*.c file for the active board configuration. |
|
// |
|
// These perform slightly better as macros compared to inline functions |
|
// |
|
#define digitalPinToPort(P) ( pgm_read_byte( digital_pin_to_port_PGM + (P) ) ) |
|
#define digitalPinToBitMask(P) ( pgm_read_byte( digital_pin_to_bit_mask_PGM + (P) ) ) |
|
#define digitalPinToTimer(P) ( pgm_read_byte( digital_pin_to_timer_PGM + (P) ) ) |
|
#define analogInPinToBit(P) (P) |
|
#define portOutputRegister(P) ( (volatile uint8_t *)( pgm_read_word( port_to_output_PGM + (P))) ) |
|
#define portInputRegister(P) ( (volatile uint8_t *)( pgm_read_word( port_to_input_PGM + (P))) ) |
|
#define portModeRegister(P) ( (volatile uint8_t *)( pgm_read_word( port_to_mode_PGM + (P))) ) |
|
|
|
#endif
|
|
|