From 40c7ecfdeaf50ab76e10854a84aebfcb82ddb092 Mon Sep 17 00:00:00 2001 From: Joel Challis Date: Wed, 10 Mar 2021 22:47:36 +0000 Subject: Move gpio wait logic to wait.h (#12067) --- tmk_core/common/avr/_wait.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 tmk_core/common/avr/_wait.h (limited to 'tmk_core/common/avr') diff --git a/tmk_core/common/avr/_wait.h b/tmk_core/common/avr/_wait.h new file mode 100644 index 0000000000..56eb316faf --- /dev/null +++ b/tmk_core/common/avr/_wait.h @@ -0,0 +1,29 @@ +/* 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 . + */ +#pragma once + +#include + +#define wait_ms(ms) _delay_ms(ms) +#define wait_us(us) _delay_us(us) + +/* 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() __builtin_avr_delay_cycles(GPIO_INPUT_PIN_DELAY) -- cgit v1.2.3