qmk-dactyl-manuform-a/platforms/avr/pin_defs.h

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/* Copyright 2021 QMK
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <avr/io.h>
#define PORT_SHIFTER 4 // this may be 4 for all AVR chips
// If you want to add more to this list, reference the PINx definitions in these header
// files: https://github.com/vancegroup-mirrors/avr-libc/tree/master/avr-libc/include/avr
#if defined(__AVR_ATmega32U4__) || defined(__AVR_ATmega16U4__)
# define ADDRESS_BASE 0x00
# define PINB_ADDRESS 0x3
# define PINC_ADDRESS 0x6
# define PIND_ADDRESS 0x9
# define PINE_ADDRESS 0xC
# define PINF_ADDRESS 0xF
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#elif defined(__AVR_AT90USB162__) || defined(__AVR_ATmega32U2__) || defined(__AVR_ATmega16U2__) || defined(__AVR_ATmega328P__) || defined(__AVR_ATmega328__)
# define ADDRESS_BASE 0x00
# define PINB_ADDRESS 0x3
# define PINC_ADDRESS 0x6
# define PIND_ADDRESS 0x9
#elif defined(__AVR_AT90USB646__) || defined(__AVR_AT90USB647__) || defined(__AVR_AT90USB1286__) || defined(__AVR_AT90USB1287__)
# define ADDRESS_BASE 0x00
# define PINA_ADDRESS 0x0
# define PINB_ADDRESS 0x3
# define PINC_ADDRESS 0x6
# define PIND_ADDRESS 0x9
# define PINE_ADDRESS 0xC
# define PINF_ADDRESS 0xF
#elif defined(__AVR_ATmega32A__)
# define ADDRESS_BASE 0x10
# define PIND_ADDRESS 0x0
# define PINC_ADDRESS 0x3
# define PINB_ADDRESS 0x6
# define PINA_ADDRESS 0x9
#elif defined(__AVR_ATtiny85__)
# define ADDRESS_BASE 0x10
# define PINB_ADDRESS 0x6
#else
# error "Pins are not defined"
#endif
#define PINDEF(port, pin) ((PIN##port##_ADDRESS << PORT_SHIFTER) | pin)
#define _PIN_ADDRESS(p, offset) _SFR_IO8(ADDRESS_BASE + ((p) >> PORT_SHIFTER) + (offset))
// Port X Input Pins Address
#define PINx_ADDRESS(p) _PIN_ADDRESS(p, 0)
// Port X Data Direction Register, 0:input 1:output
#define DDRx_ADDRESS(p) _PIN_ADDRESS(p, 1)
// Port X Data Register
#define PORTx_ADDRESS(p) _PIN_ADDRESS(p, 2)
/* I/O pins */
#ifdef PORTA
# define A0 PINDEF(A, 0)
# define A1 PINDEF(A, 1)
# define A2 PINDEF(A, 2)
# define A3 PINDEF(A, 3)
# define A4 PINDEF(A, 4)
# define A5 PINDEF(A, 5)
# define A6 PINDEF(A, 6)
# define A7 PINDEF(A, 7)
#endif
#ifdef PORTB
# define B0 PINDEF(B, 0)
# define B1 PINDEF(B, 1)
# define B2 PINDEF(B, 2)
# define B3 PINDEF(B, 3)
# define B4 PINDEF(B, 4)
# define B5 PINDEF(B, 5)
# define B6 PINDEF(B, 6)
# define B7 PINDEF(B, 7)
#endif
#ifdef PORTC
# define C0 PINDEF(C, 0)
# define C1 PINDEF(C, 1)
# define C2 PINDEF(C, 2)
# define C3 PINDEF(C, 3)
# define C4 PINDEF(C, 4)
# define C5 PINDEF(C, 5)
# define C6 PINDEF(C, 6)
# define C7 PINDEF(C, 7)
#endif
#ifdef PORTD
# define D0 PINDEF(D, 0)
# define D1 PINDEF(D, 1)
# define D2 PINDEF(D, 2)
# define D3 PINDEF(D, 3)
# define D4 PINDEF(D, 4)
# define D5 PINDEF(D, 5)
# define D6 PINDEF(D, 6)
# define D7 PINDEF(D, 7)
#endif
#ifdef PORTE
# define E0 PINDEF(E, 0)
# define E1 PINDEF(E, 1)
# define E2 PINDEF(E, 2)
# define E3 PINDEF(E, 3)
# define E4 PINDEF(E, 4)
# define E5 PINDEF(E, 5)
# define E6 PINDEF(E, 6)
# define E7 PINDEF(E, 7)
#endif
#ifdef PORTF
# define F0 PINDEF(F, 0)
# define F1 PINDEF(F, 1)
# define F2 PINDEF(F, 2)
# define F3 PINDEF(F, 3)
# define F4 PINDEF(F, 4)
# define F5 PINDEF(F, 5)
# define F6 PINDEF(F, 6)
# define F7 PINDEF(F, 7)
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#endif