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#ifndef CYGONCE_KERNEL_CLOCK_INL
#define CYGONCE_KERNEL_CLOCK_INL
//==========================================================================
//
// clock.inl
//
// Clock and Alarm class inlines
//
//==========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, 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.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, 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 v2.
//
// This exception does not invalidate any other reasons why a work based
// on this file might be covered by the GNU General Public License.
// -------------------------------------------
// ####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): nickg
// Contributors: nickg
// Date: 1997-09-30
// Purpose: Define Clock and Alarm class inlines
// Description: Define inline functions for counter, clock and alarm
// classes.
// Usage: #include <cyg/kernel/clock.hxx>
// #include <cyg/kernel/clock.inl>
//
//####DESCRIPTIONEND####
//
//==========================================================================
#include <cyg/kernel/clock.hxx>
// -------------------------------------------------------------------------
// -------------------------------------------------------------------------
// Counter class inlines
// Return current value of counter
inline cyg_tick_count Cyg_Counter::current_value()
{
return counter;
}
inline cyg_uint32 Cyg_Counter::current_value_lo()
{
return counter&0xFFFFFFFF;
}
inline cyg_uint32 Cyg_Counter::current_value_hi()
{
return (counter>>32)&0xFFFFFFFF;
}
// Set the counter's current value
inline void Cyg_Counter::set_value( cyg_tick_count new_value)
{
counter = new_value;
}
// -------------------------------------------------------------------------
// -------------------------------------------------------------------------
// Clock class inlines
// Return current resolution
inline Cyg_Clock::cyg_resolution Cyg_Clock::get_resolution()
{
return resolution;
}
// Set new resolution
inline void Cyg_Clock::set_resolution(
Cyg_Clock::cyg_resolution new_resolution
)
{
resolution = new_resolution;
}
inline cyg_tick_count Cyg_Clock::convert(
cyg_tick_count value,
struct converter *pcc )
{
cyg_uint64 t = (cyg_uint64)value;
// Do this in an order to prevent overflow at the expense of
// accuracy:
t *= pcc->mul1;
t += pcc->div1 / 2;
t /= pcc->div1;
t *= pcc->mul2;
t += pcc->div2 / 2;
t /= pcc->div2;
// The alternative would be to do the 2 multiplies first
// for smaller arguments.
return (cyg_tick_count)t;
}
// -------------------------------------------------------------------------
#endif // ifndef CYGONCE_KERNEL_CLOCK_INL
// EOF clock.inl
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