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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     

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// 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   

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// 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