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/*

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This file is part of CanFestival, a library implementing CanOpen Stack.

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Copyright (C): Edouard TISSERANT and Francis DUPIN

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See COPYING file for copyrights details.

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This library is free software; you can redistribute it and/or

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modify it under the terms of the GNU Lesser General Public

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License as published by the Free Software Foundation; either

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version 2.1 of the License, or (at your option) any later version.

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This library is distributed in the hope that it will be useful,

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but WITHOUT ANY WARRANTY; without even the implied warranty of

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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

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Lesser General Public License for more details.

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You should have received a copy of the GNU Lesser General Public

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License along with this library; if not, write to the Free Software

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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

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*/

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#ifndef __timer_h__

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#define __timer_h__

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#include <timerscfg.h>

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#include <applicfg.h>

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#define TIMER_HANDLE INTEGER16

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#include "data.h"

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/* --------- types and constants definitions --------- */

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#define TIMER_FREE 0

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#define TIMER_ARMED 1

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#define TIMER_TRIG 2

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#define TIMER_TRIG_PERIOD 3

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#define TIMER_NONE -1

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typedef void (*TimerCallback_t)(CO_Data* d, UNS32 id);

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struct struct_s_timer_entry {

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	UNS8 state;

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	CO_Data* d;

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	TimerCallback_t callback; /* The callback func. */

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	UNS32 id; /* The callback func. */

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	TIMEVAL val;

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	TIMEVAL interval; /* Periodicity */

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};

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typedef struct struct_s_timer_entry s_timer_entry;

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/* ---------  prototypes --------- */

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/*#define SetAlarm(d, id, callback, value, period) printf("%s, %d, SetAlarm(%s, %s, %s, %s, %s)\n",__FILE__, __LINE__, #d, #id, #callback, #value, #period); _SetAlarm(d, id, callback, value, period)*/

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/**

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 * @ingroup timer

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 * @brief Set an alarm to execute a callback function when expired.

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 * @param *d Pointer to a CAN object data structure

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 * @param id The alarm Id

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 * @param callback A callback function

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 * @param value Call the callback function at current time + value

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 * @param period Call periodically the callback function

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 * @return handle The timer handle

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 */

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TIMER_HANDLE SetAlarm(CO_Data* d, UNS32 id, TimerCallback_t callback, TIMEVAL value, TIMEVAL period);

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/**

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 * @ingroup timer

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 * @brief Delete an alarm before expiring.

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 * @param handle A timer handle

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 * @return The timer handle

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 */

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TIMER_HANDLE DelAlarm(TIMER_HANDLE handle);

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void TimeDispatch(void);

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/**

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 * @ingroup timer

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 * @brief Set a timerfor a given time.

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 * @param value The time value.

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 */

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void setTimer(TIMEVAL value);

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/**

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 * @ingroup timer

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 * @brief Get the time elapsed since latest timer occurence.

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 * @return time elapsed since latest timer occurence

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 */

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TIMEVAL getElapsedTime(void);

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#endif /* #define __timer_h__ */