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