mirror of
https://github.com/qmk/qmk_firmware.git
synced 2024-12-12 04:40:58 +00:00
50 lines
2.0 KiB
C
50 lines
2.0 KiB
C
/* 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 <util/delay.h>
|
|
|
|
#define wait_ms(ms) \
|
|
do { \
|
|
if (__builtin_constant_p(ms)) { \
|
|
_delay_ms(ms); \
|
|
} else { \
|
|
for (uint16_t i = ms; i > 0; i--) { \
|
|
_delay_ms(1); \
|
|
} \
|
|
} \
|
|
} while (0)
|
|
#define wait_us(us) \
|
|
do { \
|
|
if (__builtin_constant_p(us)) { \
|
|
_delay_us(us); \
|
|
} else { \
|
|
for (uint16_t i = us; i > 0; i--) { \
|
|
_delay_us(1); \
|
|
} \
|
|
} \
|
|
} while (0)
|
|
#define wait_cpuclock(n) __builtin_avr_delay_cycles(n)
|
|
#define CPU_CLOCK F_CPU
|
|
|
|
/* The AVR series GPIOs have a one clock read delay for changes in the digital input signal.
|
|
* But here's more margin to make it two clocks. */
|
|
#ifndef GPIO_INPUT_PIN_DELAY
|
|
# define GPIO_INPUT_PIN_DELAY 2
|
|
#endif
|
|
|
|
#define waitInputPinDelay() wait_cpuclock(GPIO_INPUT_PIN_DELAY)
|