81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Ha Thach (tinyusb.org)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* This file is part of the TinyUSB stack.
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*/
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/** \ingroup Group_Common Common Files
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* \defgroup Group_TimeoutTimer timeout timer
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* @{ */
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#ifndef _TUSB_TIMEOUT_H_
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#define _TUSB_TIMEOUT_H_
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#include <stdbool.h>
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct {
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uint32_t start;
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uint32_t interval;
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}tu_timeout_t;
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#if 0
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extern uint32_t tusb_hal_millis(void);
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static inline void tu_timeout_set(tu_timeout_t* tt, uint32_t msec)
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{
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tt->interval = msec;
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tt->start = tusb_hal_millis();
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}
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static inline bool tu_timeout_expired(tu_timeout_t* tt)
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{
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return ( tusb_hal_millis() - tt->start ) >= tt->interval;
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}
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// For used with periodic event to prevent drift
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static inline void tu_timeout_reset(tu_timeout_t* tt)
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{
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tt->start += tt->interval;
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}
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static inline void tu_timeout_restart(tu_timeout_t* tt)
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{
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tt->start = tusb_hal_millis();
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}
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* _TUSB_TIMEOUT_H_ */
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/** @} */
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