You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
38 lines
1.7 KiB
38 lines
1.7 KiB
/* 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>
|
|
#include "pin_defs.h"
|
|
|
|
typedef uint8_t pin_t;
|
|
|
|
/* Operation of GPIO by pin. */
|
|
|
|
#define gpio_set_pin_input(pin) (DDRx_ADDRESS(pin) &= ~_BV((pin)&0xF), PORTx_ADDRESS(pin) &= ~_BV((pin)&0xF))
|
|
#define gpio_set_pin_input_high(pin) (DDRx_ADDRESS(pin) &= ~_BV((pin)&0xF), PORTx_ADDRESS(pin) |= _BV((pin)&0xF))
|
|
#define gpio_set_pin_input_low(pin) _Static_assert(0, "GPIO pulldowns in input mode are not available on AVR")
|
|
#define gpio_set_pin_output_push_pull(pin) (DDRx_ADDRESS(pin) |= _BV((pin)&0xF))
|
|
#define gpio_set_pin_output_open_drain(pin) _Static_assert(0, "Open-drain outputs are not available on AVR")
|
|
#define gpio_set_pin_output(pin) gpio_set_pin_output_push_pull(pin)
|
|
|
|
#define gpio_write_pin_high(pin) (PORTx_ADDRESS(pin) |= _BV((pin)&0xF))
|
|
#define gpio_write_pin_low(pin) (PORTx_ADDRESS(pin) &= ~_BV((pin)&0xF))
|
|
#define gpio_write_pin(pin, level) ((level) ? gpio_write_pin_high(pin) : gpio_write_pin_low(pin))
|
|
|
|
#define gpio_read_pin(pin) ((bool)(PINx_ADDRESS(pin) & _BV((pin)&0xF)))
|
|
|
|
#define gpio_toggle_pin(pin) (PORTx_ADDRESS(pin) ^= _BV((pin)&0xF))
|