/*
 * 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
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 *
 * 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_ */

/** @} */