usbtest/libopencm3/tests/gadget-zero/delay.h

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/*
* This file is part of the libopencm3 project.
*
* Copyright (C) 2017 Karl Palsson <karlp@tweak.net.au>
*
* This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
/**
* Initialize the timers used for delays.
*/
void delay_setup(void);
/**
* busy wait for a number of usecs.
* @param us number of usecs to delay.
*/
void delay_us(uint16_t us);
#ifdef __cplusplus
}
#endif