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Diffstat (limited to 'platforms/avr/pin_defs.h')
| -rw-r--r-- | platforms/avr/pin_defs.h | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/platforms/avr/pin_defs.h b/platforms/avr/pin_defs.h new file mode 100644 index 0000000000..23d948041d --- /dev/null +++ b/platforms/avr/pin_defs.h @@ -0,0 +1,128 @@ +/* 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 +#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) +#endif |