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[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [packages/] [kernel/] [v2_0/] [include/] [timer.hxx] - Rev 249
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#ifndef CYGONCE_KERNEL_TIMER_HXX
#define CYGONCE_KERNEL_TIMER_HXX
//==========================================================================
//
// timer.hxx
//
// Timer handler class declaration(s)
//
//==========================================================================
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 or (at your option) any later version.
//
// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License along
// with eCos; if not, write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
//
// As a special exception, if other files instantiate templates or use macros
// or inline functions from this file, or you compile this file and link it
// with other works to produce a work based on this file, this file does not
// by itself cause the resulting work to be covered by the GNU General Public
// License. However the source code for this file must still be made available
// in accordance with section (3) of the GNU General Public License.
//
// This exception does not invalidate any other reasons why a work based on
// this file might be covered by the GNU General Public License.
//
// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
// at http://sources.redhat.com/ecos/ecos-license/
// -------------------------------------------
//####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): dsm
// Contributors: dsm
// Date: 1998-06-10
// Purpose: Define Timer class interfaces
// Description: This file defines the Timer class which is derived from
// the Alarm class to support uITRON type functionality
// Usage: #include <cyg/kernel/timer.hxx>
//
//####DESCRIPTIONEND####
//
//==========================================================================
#include <cyg/kernel/ktypes.h>
#include <cyg/infra/cyg_ass.h> // assertion macros
#include <cyg/kernel/clock.hxx> // Cyg_Alarm
// -------------------------------------------------------------------------
// Timer handler class
class Cyg_Timer
: public Cyg_Alarm
{
public:
CYGDBG_DEFINE_CHECK_THIS
Cyg_Timer();
~Cyg_Timer();
enum {
DISABLE = 0,
ENABLE = 1,
RESET = 2,
};
void initialize(
Cyg_Counter *counter,
cyg_alarm_fn alarm_fn,
CYG_ADDRWORD data,
cyg_tick_count trigger, // absolute time
cyg_tick_count interval, // 0 => one shot, else repeating
cyg_uint32 action // (DISABLE | ENABLE)
);
void activate(cyg_uint32 action); // (DISABLE | ENABLE) [|RESET]
cyg_tick_count get_trigger();
cyg_bool is_enabled();
cyg_bool is_initialized();
CYG_ADDRWORD get_data();
};
// -------------------------------------------------------------------------
// Timer inlines
inline cyg_tick_count
Cyg_Timer::get_trigger()
{
return trigger;
}
inline cyg_bool
Cyg_Timer::is_initialized()
{
return NULL != counter;
}
inline cyg_bool
Cyg_Timer::is_enabled()
{
return enabled;
}
inline CYG_ADDRWORD
Cyg_Timer::get_data()
{
return data;
}
#endif // ifndef CYGONCE_KERNEL_TIMER_HXX
// EOF timer.hxx
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