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/*
* Copyright © 2017-2022 The Crust Firmware Authors.
* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0-only
*/
#ifndef COMMON_TIMEOUT_H
#define COMMON_TIMEOUT_H
#include <stdbool.h>
#include <stdint.h>
#define USEC_PER_MSEC 1000U
#define USEC_PER_SEC 1000000U
/**
* Check if a timeout has expired.
*
* @param timeout The timeout.
* @return Whether or not the timeout has expired.
*/
bool timeout_expired(uint32_t timeout);
/**
* Set a timeout for some point in the near future.
*
* Timeouts must not be set for greater than approximately one minute.
*
* @param useconds The delay in microseconds before the timeout expires.
* @return An opaque number that can be passed to timeout_expired().
*/
uint32_t timeout_set(uint32_t useconds);
#endif /* COMMON_TIMEOUT_H */
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