/* 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)