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//==========================================================================
//
// kalarm0
//
// Alarm functionality test
//
//==========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 2003 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: 2003-06-25
// Description: Tests the ability of alarms to be added and removed by the
// alarm functions of other alarms.
//
//####DESCRIPTIONEND####
//==========================================================================
#include <cyg/kernel/kapi.h>
#include <cyg/infra/testcase.h>
//==========================================================================
#if defined(CYGVAR_KERNEL_COUNTERS_CLOCK) && \
defined(CYGFUN_KERNEL_API_C)
#include "testaux.h"
//==========================================================================
//#define db_printf diag_printf
#define db_printf( fmt, ... )
//==========================================================================
static cyg_counter counter_obj;
static cyg_handle_t counter;
static cyg_alarm alarm_obj[3];
static cyg_handle_t alarm[3];
static cyg_uint32 alarmfn_called[3];
//==========================================================================
void alarmfn0(cyg_handle_t alarmh, cyg_addrword_t data)
{
db_printf("%s: %d\n",__PRETTY_FUNCTION__,cyg_counter_current_value( counter ));
// alarmfn0 just counts how many times it has been called
alarmfn_called[0]++;
}
//==========================================================================
void alarmfn1(cyg_handle_t alarmh, cyg_addrword_t data)
{
db_printf("%s: %d\n",__PRETTY_FUNCTION__,cyg_counter_current_value( counter ));
alarmfn_called[1]++;
// Reschedule alarm[0] to run every tick until alarm[2] next runs.
cyg_alarm_initialize( alarm[0], cyg_counter_current_value( counter )+1, 1 );
}
//==========================================================================
void alarmfn2(cyg_handle_t alarmh, cyg_addrword_t data)
{
db_printf("%s: %d\n",__PRETTY_FUNCTION__,cyg_counter_current_value( counter ));
alarmfn_called[2]++;
// Reschedule alarm[0] to run every 2 ticks until alarm[1] next runs.
cyg_alarm_initialize( alarm[0], cyg_counter_current_value( counter )+1, 2 );
// Reschedule alarm[1] to run every 3 ticks starting in 6 ticks time.
cyg_alarm_initialize( alarm[1], cyg_counter_current_value( counter )+6, 3 );
}
//==========================================================================
void alarm0_main(void)
{
int i;
CYG_TEST_INIT();
// Create the counter
cyg_counter_create( &counter, &counter_obj );
// Create the alarms
cyg_alarm_create( counter,
alarmfn0,
0,
&alarm[0],
&alarm_obj[0]);
cyg_alarm_create( counter,
alarmfn1,
1,
&alarm[1],
&alarm_obj[1]);
cyg_alarm_create( counter,
alarmfn2,
2,
&alarm[2],
&alarm_obj[2]);
// Kick it all off by starting alarm[2]
cyg_alarm_initialize( alarm[2], 0, 10 );
// Run the whole thing for 10000 ticks
for( i = 0; i < 10000; i++ )
cyg_counter_tick( counter );
db_printf("alarmfn_called: %d %d %d\n",
alarmfn_called[0],alarmfn_called[1],alarmfn_called[2]);
CYG_TEST_CHECK( alarmfn_called[0]==5000, "alarmfn0 not called 5000 times\n");
CYG_TEST_CHECK( alarmfn_called[1]==2000, "alarmfn1 not called 2000 times\n");
CYG_TEST_CHECK( alarmfn_called[2]==1001, "alarmfn2 not called 1001 times\n");
CYG_TEST_PASS_FINISH("KAlarm0");
}
//==========================================================================
externC void
cyg_start( void )
{
alarm0_main();
}
//==========================================================================
#else
externC void
cyg_start( void )
{
CYG_TEST_INIT();
CYG_TEST_NA( "This test needs CYGVAR_KERNEL_COUNTERS_CLOCK "
"and CYGFUN_KERNEL_API_C" );
}
#endif
//==========================================================================
// End of kalarm0.c
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