Subversion Repositories openrisc_2011-10-31

#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 

//

//####DESCRIPTIONEND####

//

//==========================================================================

#include 

#include           // assertion macros

#include          // 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