diff --git a/libraries/AP_HAL/GPIO.h b/libraries/AP_HAL/GPIO.h index 3fb5410490..32fe6f5876 100644 --- a/libraries/AP_HAL/GPIO.h +++ b/libraries/AP_HAL/GPIO.h @@ -2,12 +2,20 @@ #ifndef __AP_HAL_GPIO_H__ #define __AP_HAL_GPIO_H__ +#include + #include "AP_HAL_Namespace.h" +#define GPIO_INPUT 0 +#define GPIO_OUTPUT 1 + class AP_HAL::GPIO { public: GPIO() {} - virtual void init(int machtnicht) = 0; + virtual void init() = 0; + virtual void pinMode(uint8_t pin, uint8_t output) = 0; + virtual uint8_t read(uint8_t pin) = 0; + virtual void write(uint8_t pin, uint8_t value) = 0; }; #endif // __AP_HAL_GPIO_H__ diff --git a/libraries/AP_HAL_AVR/GPIO.cpp b/libraries/AP_HAL_AVR/GPIO.cpp new file mode 100644 index 0000000000..4a980364bc --- /dev/null +++ b/libraries/AP_HAL_AVR/GPIO.cpp @@ -0,0 +1,83 @@ + +#include + +#include "pins_arduino_mega.h" + +#include "GPIO.h" +using namespace AP_HAL_AVR; + + +// 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. + +#define analogInPinToBit(P) (P) + + +// 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))) ) + + +void ArduinoGPIO::pinMode(uint8_t pin, uint8_t mode) { + uint8_t bit = digitalPinToBitMask(pin); + uint8_t port = digitalPinToPort(pin); + volatile uint8_t *reg; + + if (port == NOT_A_PIN) return; + + // JWS: can I let the optimizer do this? + reg = portModeRegister(port); + + if (mode == GPIO_INPUT) { + uint8_t oldSREG = SREG; + cli(); + *reg &= ~bit; + SREG = oldSREG; + } else { + uint8_t oldSREG = SREG; + cli(); + *reg |= bit; + SREG = oldSREG; + } +} + +uint8_t ArduinoGPIO::read(uint8_t pin) { + uint8_t bit = digitalPinToBitMask(pin); + uint8_t port = digitalPinToPort(pin); + + if (port == NOT_A_PIN) return 0; + + if (*portInputRegister(port) & bit) return 1; + return 0; +} + +void ArduinoGPIO::write(uint8_t pin, uint8_t value) { + uint8_t bit = digitalPinToBitMask(pin); + uint8_t port = digitalPinToPort(pin); + volatile uint8_t *out; + + if (port == NOT_A_PIN) return; + + out = portOutputRegister(port); + + uint8_t oldSREG = SREG; + cli(); + + if (value == 0) { + *out &= ~bit; + } else { + *out |= bit; + } + + SREG = oldSREG; +} + diff --git a/libraries/AP_HAL_AVR/GPIO.h b/libraries/AP_HAL_AVR/GPIO.h index 3d9d86d355..d5643fc416 100644 --- a/libraries/AP_HAL_AVR/GPIO.h +++ b/libraries/AP_HAL_AVR/GPIO.h @@ -7,10 +7,11 @@ class AP_HAL_AVR::ArduinoGPIO : public AP_HAL::GPIO { public: - ArduinoGPIO() : _init(0) {} - void init(int machtnicht) { _init = machtnicht; } -private: - int _init; + ArduinoGPIO() {} + void init() {} + void pinMode(uint8_t pin, uint8_t output); + uint8_t read(uint8_t pin); + void write(uint8_t pin, uint8_t value); }; #endif // __AP_HAL_AVR_GPIO_H__ diff --git a/libraries/AP_HAL_AVR/utility/pins_arduino_mega.c b/libraries/AP_HAL_AVR/utility/pins_arduino_mega.c new file mode 100644 index 0000000000..67929c316a --- /dev/null +++ b/libraries/AP_HAL_AVR/utility/pins_arduino_mega.c @@ -0,0 +1,277 @@ + +#include +#include "pins_arduino_mega.h" + +const uint16_t PROGMEM port_to_mode_PGM[] = { + NOT_A_PORT, + (uint16_t) &DDRA, + (uint16_t) &DDRB, + (uint16_t) &DDRC, + (uint16_t) &DDRD, + (uint16_t) &DDRE, + (uint16_t) &DDRF, + (uint16_t) &DDRG, + (uint16_t) &DDRH, + NOT_A_PORT, + (uint16_t) &DDRJ, + (uint16_t) &DDRK, + (uint16_t) &DDRL, +}; + +const uint16_t PROGMEM port_to_output_PGM[] = { + NOT_A_PORT, + (uint16_t) &PORTA, + (uint16_t) &PORTB, + (uint16_t) &PORTC, + (uint16_t) &PORTD, + (uint16_t) &PORTE, + (uint16_t) &PORTF, + (uint16_t) &PORTG, + (uint16_t) &PORTH, + NOT_A_PORT, + (uint16_t) &PORTJ, + (uint16_t) &PORTK, + (uint16_t) &PORTL, +}; + +const uint16_t PROGMEM port_to_input_PGM[] = { + NOT_A_PIN, + (uint16_t) &PINA, + (uint16_t) &PINB, + (uint16_t) &PINC, + (uint16_t) &PIND, + (uint16_t) &PINE, + (uint16_t) &PINF, + (uint16_t) &PING, + (uint16_t) &PINH, + NOT_A_PIN, + (uint16_t) &PINJ, + (uint16_t) &PINK, + (uint16_t) &PINL, +}; + +const uint8_t PROGMEM digital_pin_to_port_PGM[] = { + // PORTLIST + // ------------------------------------------- + PE , // PE 0 ** 0 ** USART0_RX + PE , // PE 1 ** 1 ** USART0_TX + PE , // PE 4 ** 2 ** PWM2 + PE , // PE 5 ** 3 ** PWM3 + PG , // PG 5 ** 4 ** PWM4 + PE , // PE 3 ** 5 ** PWM5 + PH , // PH 3 ** 6 ** PWM6 + PH , // PH 4 ** 7 ** PWM7 + PH , // PH 5 ** 8 ** PWM8 + PH , // PH 6 ** 9 ** PWM9 + PB , // PB 4 ** 10 ** PWM10 + PB , // PB 5 ** 11 ** PWM11 + PB , // PB 6 ** 12 ** PWM12 + PB , // PB 7 ** 13 ** PWM13 + PJ , // PJ 1 ** 14 ** USART3_TX + PJ , // PJ 0 ** 15 ** USART3_RX + PH , // PH 1 ** 16 ** USART2_TX + PH , // PH 0 ** 17 ** USART2_RX + PD , // PD 3 ** 18 ** USART1_TX + PD , // PD 2 ** 19 ** USART1_RX + PD , // PD 1 ** 20 ** I2C_SDA + PD , // PD 0 ** 21 ** I2C_SCL + PA , // PA 0 ** 22 ** D22 + PA , // PA 1 ** 23 ** D23 + PA , // PA 2 ** 24 ** D24 + PA , // PA 3 ** 25 ** D25 + PA , // PA 4 ** 26 ** D26 + PA , // PA 5 ** 27 ** D27 + PA , // PA 6 ** 28 ** D28 + PA , // PA 7 ** 29 ** D29 + PC , // PC 7 ** 30 ** D30 + PC , // PC 6 ** 31 ** D31 + PC , // PC 5 ** 32 ** D32 + PC , // PC 4 ** 33 ** D33 + PC , // PC 3 ** 34 ** D34 + PC , // PC 2 ** 35 ** D35 + PC , // PC 1 ** 36 ** D36 + PC , // PC 0 ** 37 ** D37 + PD , // PD 7 ** 38 ** D38 + PG , // PG 2 ** 39 ** D39 + PG , // PG 1 ** 40 ** D40 + PG , // PG 0 ** 41 ** D41 + PL , // PL 7 ** 42 ** D42 + PL , // PL 6 ** 43 ** D43 + PL , // PL 5 ** 44 ** D44 + PL , // PL 4 ** 45 ** D45 + PL , // PL 3 ** 46 ** D46 + PL , // PL 2 ** 47 ** D47 + PL , // PL 1 ** 48 ** D48 + PL , // PL 0 ** 49 ** D49 + PB , // PB 3 ** 50 ** SPI_MISO + PB , // PB 2 ** 51 ** SPI_MOSI + PB , // PB 1 ** 52 ** SPI_SCK + PB , // PB 0 ** 53 ** SPI_SS + PF , // PF 0 ** 54 ** A0 + PF , // PF 1 ** 55 ** A1 + PF , // PF 2 ** 56 ** A2 + PF , // PF 3 ** 57 ** A3 + PF , // PF 4 ** 58 ** A4 + PF , // PF 5 ** 59 ** A5 + PF , // PF 6 ** 60 ** A6 + PF , // PF 7 ** 61 ** A7 + PK , // PK 0 ** 62 ** A8 + PK , // PK 1 ** 63 ** A9 + PK , // PK 2 ** 64 ** A10 + PK , // PK 3 ** 65 ** A11 + PK , // PK 4 ** 66 ** A12 + PK , // PK 5 ** 67 ** A13 + PK , // PK 6 ** 68 ** A14 + PK , // PK 7 ** 69 ** A15 +}; + +const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[] = { + // PIN IN PORT + // ------------------------------------------- + _BV( 0 ) , // PE 0 ** 0 ** USART0_RX + _BV( 1 ) , // PE 1 ** 1 ** USART0_TX + _BV( 4 ) , // PE 4 ** 2 ** PWM2 + _BV( 5 ) , // PE 5 ** 3 ** PWM3 + _BV( 5 ) , // PG 5 ** 4 ** PWM4 + _BV( 3 ) , // PE 3 ** 5 ** PWM5 + _BV( 3 ) , // PH 3 ** 6 ** PWM6 + _BV( 4 ) , // PH 4 ** 7 ** PWM7 + _BV( 5 ) , // PH 5 ** 8 ** PWM8 + _BV( 6 ) , // PH 6 ** 9 ** PWM9 + _BV( 4 ) , // PB 4 ** 10 ** PWM10 + _BV( 5 ) , // PB 5 ** 11 ** PWM11 + _BV( 6 ) , // PB 6 ** 12 ** PWM12 + _BV( 7 ) , // PB 7 ** 13 ** PWM13 + _BV( 1 ) , // PJ 1 ** 14 ** USART3_TX + _BV( 0 ) , // PJ 0 ** 15 ** USART3_RX + _BV( 1 ) , // PH 1 ** 16 ** USART2_TX + _BV( 0 ) , // PH 0 ** 17 ** USART2_RX + _BV( 3 ) , // PD 3 ** 18 ** USART1_TX + _BV( 2 ) , // PD 2 ** 19 ** USART1_RX + _BV( 1 ) , // PD 1 ** 20 ** I2C_SDA + _BV( 0 ) , // PD 0 ** 21 ** I2C_SCL + _BV( 0 ) , // PA 0 ** 22 ** D22 + _BV( 1 ) , // PA 1 ** 23 ** D23 + _BV( 2 ) , // PA 2 ** 24 ** D24 + _BV( 3 ) , // PA 3 ** 25 ** D25 + _BV( 4 ) , // PA 4 ** 26 ** D26 + _BV( 5 ) , // PA 5 ** 27 ** D27 + _BV( 6 ) , // PA 6 ** 28 ** D28 + _BV( 7 ) , // PA 7 ** 29 ** D29 + _BV( 7 ) , // PC 7 ** 30 ** D30 + _BV( 6 ) , // PC 6 ** 31 ** D31 + _BV( 5 ) , // PC 5 ** 32 ** D32 + _BV( 4 ) , // PC 4 ** 33 ** D33 + _BV( 3 ) , // PC 3 ** 34 ** D34 + _BV( 2 ) , // PC 2 ** 35 ** D35 + _BV( 1 ) , // PC 1 ** 36 ** D36 + _BV( 0 ) , // PC 0 ** 37 ** D37 + _BV( 7 ) , // PD 7 ** 38 ** D38 + _BV( 2 ) , // PG 2 ** 39 ** D39 + _BV( 1 ) , // PG 1 ** 40 ** D40 + _BV( 0 ) , // PG 0 ** 41 ** D41 + _BV( 7 ) , // PL 7 ** 42 ** D42 + _BV( 6 ) , // PL 6 ** 43 ** D43 + _BV( 5 ) , // PL 5 ** 44 ** D44 + _BV( 4 ) , // PL 4 ** 45 ** D45 + _BV( 3 ) , // PL 3 ** 46 ** D46 + _BV( 2 ) , // PL 2 ** 47 ** D47 + _BV( 1 ) , // PL 1 ** 48 ** D48 + _BV( 0 ) , // PL 0 ** 49 ** D49 + _BV( 3 ) , // PB 3 ** 50 ** SPI_MISO + _BV( 2 ) , // PB 2 ** 51 ** SPI_MOSI + _BV( 1 ) , // PB 1 ** 52 ** SPI_SCK + _BV( 0 ) , // PB 0 ** 53 ** SPI_SS + _BV( 0 ) , // PF 0 ** 54 ** A0 + _BV( 1 ) , // PF 1 ** 55 ** A1 + _BV( 2 ) , // PF 2 ** 56 ** A2 + _BV( 3 ) , // PF 3 ** 57 ** A3 + _BV( 4 ) , // PF 4 ** 58 ** A4 + _BV( 5 ) , // PF 5 ** 59 ** A5 + _BV( 6 ) , // PF 6 ** 60 ** A6 + _BV( 7 ) , // PF 7 ** 61 ** A7 + _BV( 0 ) , // PK 0 ** 62 ** A8 + _BV( 1 ) , // PK 1 ** 63 ** A9 + _BV( 2 ) , // PK 2 ** 64 ** A10 + _BV( 3 ) , // PK 3 ** 65 ** A11 + _BV( 4 ) , // PK 4 ** 66 ** A12 + _BV( 5 ) , // PK 5 ** 67 ** A13 + _BV( 6 ) , // PK 6 ** 68 ** A14 + _BV( 7 ) , // PK 7 ** 69 ** A15 +}; + +const uint8_t PROGMEM digital_pin_to_timer_PGM[] = { + // TIMERS + // ------------------------------------------- + NOT_ON_TIMER , // PE 0 ** 0 ** USART0_RX + NOT_ON_TIMER , // PE 1 ** 1 ** USART0_TX + TIMER3B , // PE 4 ** 2 ** PWM2 + TIMER3C , // PE 5 ** 3 ** PWM3 + TIMER0B , // PG 5 ** 4 ** PWM4 + TIMER3A , // PE 3 ** 5 ** PWM5 + TIMER4A , // PH 3 ** 6 ** PWM6 + TIMER4B , // PH 4 ** 7 ** PWM7 + TIMER4C , // PH 5 ** 8 ** PWM8 + TIMER2B , // PH 6 ** 9 ** PWM9 + TIMER2A , // PB 4 ** 10 ** PWM10 + TIMER1A , // PB 5 ** 11 ** PWM11 + TIMER1B , // PB 6 ** 12 ** PWM12 + TIMER0A , // PB 7 ** 13 ** PWM13 + NOT_ON_TIMER , // PJ 1 ** 14 ** USART3_TX + NOT_ON_TIMER , // PJ 0 ** 15 ** USART3_RX + NOT_ON_TIMER , // PH 1 ** 16 ** USART2_TX + NOT_ON_TIMER , // PH 0 ** 17 ** USART2_RX + NOT_ON_TIMER , // PD 3 ** 18 ** USART1_TX + NOT_ON_TIMER , // PD 2 ** 19 ** USART1_RX + NOT_ON_TIMER , // PD 1 ** 20 ** I2C_SDA + NOT_ON_TIMER , // PD 0 ** 21 ** I2C_SCL + NOT_ON_TIMER , // PA 0 ** 22 ** D22 + NOT_ON_TIMER , // PA 1 ** 23 ** D23 + NOT_ON_TIMER , // PA 2 ** 24 ** D24 + NOT_ON_TIMER , // PA 3 ** 25 ** D25 + NOT_ON_TIMER , // PA 4 ** 26 ** D26 + NOT_ON_TIMER , // PA 5 ** 27 ** D27 + NOT_ON_TIMER , // PA 6 ** 28 ** D28 + NOT_ON_TIMER , // PA 7 ** 29 ** D29 + NOT_ON_TIMER , // PC 7 ** 30 ** D30 + NOT_ON_TIMER , // PC 6 ** 31 ** D31 + NOT_ON_TIMER , // PC 5 ** 32 ** D32 + NOT_ON_TIMER , // PC 4 ** 33 ** D33 + NOT_ON_TIMER , // PC 3 ** 34 ** D34 + NOT_ON_TIMER , // PC 2 ** 35 ** D35 + NOT_ON_TIMER , // PC 1 ** 36 ** D36 + NOT_ON_TIMER , // PC 0 ** 37 ** D37 + NOT_ON_TIMER , // PD 7 ** 38 ** D38 + NOT_ON_TIMER , // PG 2 ** 39 ** D39 + NOT_ON_TIMER , // PG 1 ** 40 ** D40 + NOT_ON_TIMER , // PG 0 ** 41 ** D41 + NOT_ON_TIMER , // PL 7 ** 42 ** D42 + NOT_ON_TIMER , // PL 6 ** 43 ** D43 + TIMER5C , // PL 5 ** 44 ** D44 + TIMER5B , // PL 4 ** 45 ** D45 + TIMER5A , // PL 3 ** 46 ** D46 + NOT_ON_TIMER , // PL 2 ** 47 ** D47 + NOT_ON_TIMER , // PL 1 ** 48 ** D48 + NOT_ON_TIMER , // PL 0 ** 49 ** D49 + NOT_ON_TIMER , // PB 3 ** 50 ** SPI_MISO + NOT_ON_TIMER , // PB 2 ** 51 ** SPI_MOSI + NOT_ON_TIMER , // PB 1 ** 52 ** SPI_SCK + NOT_ON_TIMER , // PB 0 ** 53 ** SPI_SS + NOT_ON_TIMER , // PF 0 ** 54 ** A0 + NOT_ON_TIMER , // PF 1 ** 55 ** A1 + NOT_ON_TIMER , // PF 2 ** 56 ** A2 + NOT_ON_TIMER , // PF 3 ** 57 ** A3 + NOT_ON_TIMER , // PF 4 ** 58 ** A4 + NOT_ON_TIMER , // PF 5 ** 59 ** A5 + NOT_ON_TIMER , // PF 6 ** 60 ** A6 + NOT_ON_TIMER , // PF 7 ** 61 ** A7 + NOT_ON_TIMER , // PK 0 ** 62 ** A8 + NOT_ON_TIMER , // PK 1 ** 63 ** A9 + NOT_ON_TIMER , // PK 2 ** 64 ** A10 + NOT_ON_TIMER , // PK 3 ** 65 ** A11 + NOT_ON_TIMER , // PK 4 ** 66 ** A12 + NOT_ON_TIMER , // PK 5 ** 67 ** A13 + NOT_ON_TIMER , // PK 6 ** 68 ** A14 + NOT_ON_TIMER , // PK 7 ** 69 ** A15 +}; + diff --git a/libraries/AP_HAL_AVR/utility/pins_arduino_mega.h b/libraries/AP_HAL_AVR/utility/pins_arduino_mega.h new file mode 100644 index 0000000000..56bc574e52 --- /dev/null +++ b/libraries/AP_HAL_AVR/utility/pins_arduino_mega.h @@ -0,0 +1,139 @@ +/* + 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 + +#ifdef __cplusplus +extern "C" { +#endif + +#include + + +#define NOT_A_PIN 0 +#define NOT_A_PORT 0 +#define PA 1 +#define PB 2 +#define PC 3 +#define PD 4 +#define PE 5 +#define PF 6 +#define PG 7 +#define PH 8 +#define PJ 10 +#define PK 11 +#define PL 12 + +#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 TIMER4D 14 +#define TIMER5A 15 +#define TIMER5B 16 +#define TIMER5C 17 + + +#define NUM_DIGITAL_PINS 70 +#define NUM_ANALOG_INPUTS 16 +#define analogInputToDigitalPin(p) ((p < 16) ? (p) + 54 : -1) +#define digitalPinHasPWM(p) (((p) >= 2 && (p) <= 13) || ((p) >= 44 && (p)<= 46)) + +const static uint8_t SS = 53; +const static uint8_t MOSI = 51; +const static uint8_t MISO = 50; +const static uint8_t SCK = 52; + +const static uint8_t SDA = 20; +const static uint8_t SCL = 21; +const static uint8_t LED_BUILTIN = 13; + +const static uint8_t A0 = 54; +const static uint8_t A1 = 55; +const static uint8_t A2 = 56; +const static uint8_t A3 = 57; +const static uint8_t A4 = 58; +const static uint8_t A5 = 59; +const static uint8_t A6 = 60; +const static uint8_t A7 = 61; +const static uint8_t A8 = 62; +const static uint8_t A9 = 63; +const static uint8_t A10 = 64; +const static uint8_t A11 = 65; +const static uint8_t A12 = 66; +const static uint8_t A13 = 67; +const static uint8_t A14 = 68; +const static uint8_t A15 = 69; + +// A majority of the pins are NOT PCINTs, SO BE WARNED (i.e. you cannot use them as receive pins) +// Only pins available for RECEIVE (TRANSMIT can be on any pin): +// (I've deliberately left out pin mapping to the Hardware USARTs - seems senseless to me) +// Pins: 10, 11, 12, 13, 50, 51, 52, 53, 62, 63, 64, 65, 66, 67, 68, 69 + +#define digitalPinToPCICR(p) ( (((p) >= 10) && ((p) <= 13)) || \ + (((p) >= 50) && ((p) <= 53)) || \ + (((p) >= 62) && ((p) <= 69)) ? (&PCICR) : ((uint8_t *)0) ) + +#define digitalPinToPCICRbit(p) ( (((p) >= 10) && ((p) <= 13)) || (((p) >= 50) && ((p) <= 53)) ? 0 : \ + ( (((p) >= 62) && ((p) <= 69)) ? 2 : \ + 0 ) ) + +#define digitalPinToPCMSK(p) ( (((p) >= 10) && ((p) <= 13)) || (((p) >= 50) && ((p) <= 53)) ? (&PCMSK0) : \ + ( (((p) >= 62) && ((p) <= 69)) ? (&PCMSK2) : \ + ((uint8_t *)0) ) ) + +#define digitalPinToPCMSKbit(p) ( (((p) >= 10) && ((p) <= 13)) ? ((p) - 6) : \ + ( ((p) == 50) ? 3 : \ + ( ((p) == 51) ? 2 : \ + ( ((p) == 52) ? 1 : \ + ( ((p) == 53) ? 0 : \ + ( (((p) >= 62) && ((p) <= 69)) ? ((p) - 62) : \ + 0 ) ) ) ) ) ) + +// 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_mask_PGM[]; +extern const uint8_t PROGMEM digital_pin_to_timer_PGM[]; + +#ifdef __cplusplus +} // extern "C" +#endif +#endif