/* 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 extern const uint8_t PROGMEM port_to_mode_PGM[]; extern const uint8_t PROGMEM port_to_input_PGM[]; extern const uint8_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_byte( port_to_output_PGM + (P))) ) #define portInputRegister(P) ( (volatile uint8_t *)( pgm_read_byte( port_to_input_PGM + (P))) ) #define portModeRegister(P) ( (volatile uint8_t *)( pgm_read_byte( port_to_mode_PGM + (P))) ) #endif