Frank 26080115 / LPC1700CMSIS_Examples

These are the examples provided for [[/users/frank26080115/libraries/LPC1700CMSIS_Lib/]] Note, the entire "program" is not compilable!

EMAC/uIP/uip/timer.h@0:bf7b9fba3924, 2011-03-20 (annotated)

Committer:
frank26080115
Date:
Sun Mar 20 05:38:56 2011 +0000
Revision:
0:bf7b9fba3924

        

        
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/** @addtogroup EMAC_uIP





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 * @{





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 */





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/**





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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 __TIMER_H__





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#define __TIMER_H__





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#include "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 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 timer_set(struct timer *t, clock_time_t interval);





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void timer_reset(struct timer *t);





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void timer_restart(struct timer *t);





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int timer_expired(struct timer *t);





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#endif /* __TIMER_H__ */





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/** @} */