Henrik Ekblad
2fd948fc66
Upgraded RF24 to latest version which supports SoftSPI. Added DigitalIO and UTFT libraries to support the new example. Fix problem reported in RelayWithButtonActuator example.
87 lines
2.9 KiB
C
87 lines
2.9 KiB
C
/**
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* \defgroup timer Timer library
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*
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* The timer library provides functions for setting, resetting and
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* restarting timers, and for checking if a timer has expired. An
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* application must "manually" check if its timers have expired; this
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* is not done automatically.
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*
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* A timer is declared as a \c struct \c timer and all access to the
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* timer is made by a pointer to the declared timer.
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*
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* \note The timer library uses the \ref clock "Clock library" to
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* measure time. Intervals should be specified in the format used by
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* the clock library.
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*
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* @{
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*/
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/**
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* \file
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* Timer library header file.
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* \author
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* Adam Dunkels <adam@sics.se>
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*/
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/*
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* Copyright (c) 2004, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the uIP TCP/IP stack
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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* $Id: timer.h,v 1.3 2006/06/11 21:46:39 adam Exp $
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*/
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#ifndef __UIP_TIMER_H__
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#define __UIP_TIMER_H__
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#include "uip_clock.h"
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/**
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* A timer.
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*
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* This structure is used for declaring a timer. The timer must be set
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* with timer_set() before it can be used.
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*
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* \hideinitializer
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*/
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struct uip_timer {
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clock_time_t start;
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clock_time_t interval;
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};
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void uip_timer_set(struct uip_timer *t, clock_time_t interval);
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void uip_timer_reset(struct uip_timer *t);
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void uip_timer_restart(struct uip_timer *t);
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int uip_timer_expired(struct uip_timer *t);
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#endif /* __UIP_TIMER_H__ */
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/** @} */
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