avr-projects/rgb-led-strip/arduino-ws-static-rainbow/arduino_pins.h

#pragma once

#include <avr/io.h>

#define D0 0
#define D1 1
#define D2 2
#define D3 3
#define D4 4
#define D5 5
#define D6 6
#define D7 7
#define D8 0
#define D9 1
#define D10 2
#define D11 3
#define D12 4
#define D13 5
#define A0 0
#define A1 1
#define A2 2
#define A3 3
#define A4 4
#define A5 5

// port definitions
#define PORT_D0 PORTD
#define PORT_D1 PORTD
#define PORT_D2 PORTD
#define PORT_D3 PORTD
#define PORT_D4 PORTD
#define PORT_D5 PORTD
#define PORT_D6 PORTD
#define PORT_D7 PORTD
#define PORT_D8 PORTB
#define PORT_D9 PORTB
#define PORT_D10 PORTB
#define PORT_D11 PORTB
#define PORT_D12 PORTB
#define PORT_D13 PORTB
#define PORT_A0 PORTC
#define PORT_A1 PORTC
#define PORT_A2 PORTC
#define PORT_A3 PORTC
#define PORT_A4 PORTC
#define PORT_A5 PORTC

#define PIN_D0 PIND
#define PIN_D1 PIND
#define PIN_D2 PIND
#define PIN_D3 PIND
#define PIN_D4 PIND
#define PIN_D5 PIND
#define PIN_D6 PIND
#define PIN_D7 PIND
#define PIN_D8 PINB
#define PIN_D9 PINB
#define PIN_D10 PINB
#define PIN_D11 PINB
#define PIN_D12 PINB
#define PIN_D13 PINB
#define PIN_A0 PINC
#define PIN_A1 PINC
#define PIN_A2 PINC
#define PIN_A3 PINC
#define PIN_A4 PINC
#define PIN_A5 PINC

#define DDR_D0 DDRD
#define DDR_D1 DDRD
#define DDR_D2 DDRD
#define DDR_D3 DDRD
#define DDR_D4 DDRD
#define DDR_D5 DDRD
#define DDR_D6 DDRD
#define DDR_D7 DDRD
#define DDR_D8 DDRB
#define DDR_D9 DDRB
#define DDR_D10 DDRB
#define DDR_D11 DDRB
#define DDR_D12 DDRB
#define DDR_D13 DDRB
#define DDR_A0 DDRC
#define DDR_A1 DDRC
#define DDR_A2 DDRC
#define DDR_A3 DDRC
#define DDR_A4 DDRC
#define DDR_A5 DDRC

#define OUT 1
#define IN 0