#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 // #include // //####DESCRIPTIONEND#### // //========================================================================== #include // ------------------------------------------------------------------------- // ------------------------------------------------------------------------- // 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