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//==========================================================================
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//
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// clock0.cxx
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//
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// Clock test 0
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//
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//==========================================================================
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//####ECOSGPLCOPYRIGHTBEGIN####
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// -------------------------------------------
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// This file is part of eCos, the Embedded Configurable Operating System.
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// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
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//
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// eCos is free software; you can redistribute it and/or modify it under
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// the terms of the GNU General Public License as published by the Free
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// Software Foundation; either version 2 or (at your option) any later version.
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//
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// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with eCos; if not, write to the Free Software Foundation, Inc.,
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// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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//
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// As a special exception, if other files instantiate templates or use macros
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// or inline functions from this file, or you compile this file and link it
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// with other works to produce a work based on this file, this file does not
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// by itself cause the resulting work to be covered by the GNU General Public
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// License. However the source code for this file must still be made available
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// in accordance with section (3) of the GNU General Public License.
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//
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// This exception does not invalidate any other reasons why a work based on
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// this file might be covered by the GNU General Public License.
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//
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// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
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// at http://sources.redhat.com/ecos/ecos-license/
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// -------------------------------------------
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//####ECOSGPLCOPYRIGHTEND####
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//==========================================================================
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//#####DESCRIPTIONBEGIN####
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//
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// Author(s): dsm
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// Contributors: dsm
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// Date: 1998-02-13
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// Description: Tests some basic clock functions.
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// Omissions: Doesn't test likely boundary conditions for
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// CYGNUM_KERNEL_COUNTERS_MULTI_LIST_SIZE
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// Real Time Clock Testing is limited
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// Options:
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// CYGIMP_KERNEL_COUNTERS_SINGLE_LIST
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// CYGIMP_KERNEL_COUNTERS_MULTI_LIST
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// CYGVAR_KERNEL_COUNTERS_CLOCK
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// CYGNUM_KERNEL_COUNTERS_MULTI_LIST_SIZE
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// Assumptions: This assumes we have long long support and
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// that counters are 64 bits.
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//####DESCRIPTIONEND####
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#include <pkgconf/kernel.h>
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#include <cyg/kernel/clock.hxx>
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#include <cyg/infra/testcase.h>
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#include <cyg/kernel/clock.inl>
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#include "testaux.hxx"
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#ifdef CYGVAR_KERNEL_COUNTERS_CLOCK
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cyg_alarm_fn call_me;
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bool flash( void )
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{
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Cyg_Counter counter0 = Cyg_Counter();
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Cyg_Counter counter1 = Cyg_Counter(723);
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CYG_ASSERTCLASSO( counter0, "error" );
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CYG_ASSERTCLASSO( counter1, "error" );
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Cyg_Alarm alarm0 = Cyg_Alarm(&counter0, call_me, 12);
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CYG_ASSERTCLASSO( alarm0, "error" );
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Cyg_Clock::cyg_resolution res = {1,2};
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Cyg_Clock clock0(res);
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CYG_ASSERTCLASSO( clock0, "error" );
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return true;
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}
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// Testing alarms
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//
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// call_me is a function that will be called when an alarm is
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// triggered. It updates a global variable called which is CHECKed
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// explicitly to see if the approriate alarms have been called.
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cyg_uint16 called = 0x0;
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void call_me(Cyg_Alarm *alarm, CYG_ADDRWORD data)
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{
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called ^= data;
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}
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void call_me2(Cyg_Alarm *alarm, CYG_ADDRWORD data)
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{
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call_me(alarm, data^0x10);
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}
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void clock0_main(void)
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{
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CYG_TEST_INIT();
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CHECK(flash());
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CHECK(flash());
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const cyg_uint32 big_number = 3333222111u;
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Cyg_Counter counter0 = Cyg_Counter();
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CHECK( 0 == counter0.current_value() );
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CHECK( 0 == counter0.current_value_lo() );
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CHECK( 0 == counter0.current_value_hi() );
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counter0.tick();
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CHECK( 1 == counter0.current_value() );
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CHECK( 1 == counter0.current_value_lo() );
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CHECK( 0 == counter0.current_value_hi() );
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counter0.tick(6);
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CHECK( 7 == counter0.current_value() );
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CHECK( 7 == counter0.current_value_lo() );
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CHECK( 0 == counter0.current_value_hi() );
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counter0.set_value( 0xfffffffc );
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CHECK( 0xfffffffc == counter0.current_value() );
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CHECK( 0xfffffffc == counter0.current_value_lo() );
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CHECK( 0 == counter0.current_value_hi() );
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counter0.tick( 0x13 ); // Overflows 32 bits
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CHECK( 0x10000000fULL == counter0.current_value() );
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CHECK( 0xf == counter0.current_value_lo() );
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CHECK( 0x1 == counter0.current_value_hi() );
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Cyg_Counter counter1 = Cyg_Counter(big_number);
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CHECK( 0 == counter1.current_value() );
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CHECK( 0 == counter1.current_value_lo() );
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CHECK( 0 == counter1.current_value_hi() );
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counter1.tick(2);
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CHECK( 2ll*big_number == counter1.current_value() );
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CHECK( ((2ll*big_number) & 0xffffffff) ==
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counter1.current_value_lo() );
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CHECK( ((2ll*big_number) >> 32) == counter1.current_value_hi() );
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counter1.tick();
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CHECK( 3ll*big_number == counter1.current_value() );
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CHECK( ((3ll*big_number) & 0xffffffff) ==
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counter1.current_value_lo() );
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CHECK( ((3ll*big_number) >> 32) == counter1.current_value_hi() );
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counter1.tick();
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CHECK( 4ll*big_number == counter1.current_value() );
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CHECK( ((4ll*big_number) & 0xffffffff) ==
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counter1.current_value_lo() );
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CHECK( ((4ll*big_number) >> 32) == counter1.current_value_hi() );
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counter1.set_value(1222333444555ll);
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CHECK( 1222333444555ll == counter1.current_value() );
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counter0.set_value(11);
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CHECK( 11 == counter0.current_value() );
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// the call_me functions cause the "called" bits to toggle
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// CHECKing the value of called TEST_CHECKs the parity of # of calls
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// made by each alarm.
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Cyg_Alarm alarm0 = Cyg_Alarm(&counter0, call_me, 0x1);
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Cyg_Alarm alarm1 = Cyg_Alarm(&counter0, call_me, 0x2);
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Cyg_Alarm alarm2 = Cyg_Alarm(&counter0, call_me2, 0x4);
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CHECK( 0x00 == called );
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alarm0.initialize(12,3);
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alarm2.initialize(21,2);
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CHECK( 0x00 == called );
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counter0.tick(); // 12 a0
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CHECK( 0x01 == called );
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alarm1.initialize(13,0);
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counter0.tick(); // 13 a1
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CHECK( 0x03 == called );
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alarm1.initialize(17,0);
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counter0.tick(); // 14
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CHECK( 0x03 == called );
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counter0.tick(); // 15 a0
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CHECK( 0x02 == called );
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counter0.tick(2); // 17 a1
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CHECK( 0x00 == called );
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counter0.tick(); // 18 a0
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CHECK( 0x01 == called );
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counter0.tick(3); // 21 a0 a2
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CHECK( 0x14 == called );
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counter0.tick(2); // 23 a2
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CHECK( 0x00 == called );
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alarm2.disable();
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counter0.tick(2); // 25 a0(24)
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CHECK( 0x01 == called );
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alarm2.enable(); // a2 (enabled at 25)
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CHECK( 0x15 == called );
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counter0.tick(); // 26
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CHECK( 0x15 == called );
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counter0.tick(2); // 28 a0(27) a2(27)
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CHECK( 0x00 == called );
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counter0.tick(3); // 31 a0(30) a2(29 31)
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CHECK( 0x01 == called );
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Cyg_Clock::cyg_resolution res0;
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res0.dividend = 100;
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res0.divisor = 3;
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Cyg_Clock::cyg_resolution res1;
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Cyg_Clock clock0 = Cyg_Clock(res0);
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res1 = clock0.get_resolution();
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CHECK( res0.dividend == res1.dividend );
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CHECK( res0.divisor == res1.divisor );
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res1.dividend = 12;
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res1.divisor = 25;
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clock0.set_resolution(res1);
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res0 = clock0.get_resolution();
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CHECK( res0.dividend == res1.dividend );
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CHECK( res0.divisor == res1.divisor );
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res0 = Cyg_Clock::real_time_clock->get_resolution();
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CYG_TEST_PASS_FINISH("Clock 0 OK");
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}
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externC void
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cyg_start( void )
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{
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#ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG
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cyg_hal_invoke_constructors();
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#endif
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clock0_main();
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}
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#else // def CYGVAR_KERNEL_COUNTERS_CLOCK
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externC void
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cyg_start( void )
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{
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CYG_TEST_INIT();
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CYG_TEST_NA( "Kernel real-time clock disabled");
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}
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#endif // def CYGVAR_KERNEL_COUNTERS_CLOCK
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// EOF clock0.cxx
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