espressif_tinyusb/tinyusb/common/timeout_timer.h

85 lines
2.4 KiB
C

/*
* timeout_timer.h
*
* Created on: Dec 7, 2012
* Author: hathach
*/
/*
* Software License Agreement (BSD License)
* Copyright (c) 2013, hathach (tinyusb.net)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the tiny usb stack.
*/
/** \file
* \brief TBD
*
* \note TBD
*/
/** \ingroup TBD
* \defgroup TBD
* \brief TBD
*
* @{
*/
#ifndef _TUSB_TIMEOUT_TTIMER_H_
#define _TUSB_TIMEOUT_TTIMER_H_
#include "compiler/compiler.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
uint32_t start;
uint32_t interval;
}timeout_timer_t;
static inline void timeout_set(timeout_timer_t* tt, uint32_t msec) ATTR_ALWAYS_INLINE;
static inline void timeout_set(timeout_timer_t* tt, uint32_t msec)
{
tt->interval = osal_tick_from_msec(msec);
tt->start = osal_tick_get();
}
static inline bool timeout_expired(timeout_timer_t* tt) ATTR_ALWAYS_INLINE;
static inline bool timeout_expired(timeout_timer_t* tt)
{
return ( osal_tick_get() - tt->start ) >= tt->interval;
}
#ifdef __cplusplus
}
#endif
#endif /* _TUSB_TIMEOUT_TTIMER_H_ */
/** @} */