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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    
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// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License    
// for more details.                                                        
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// along with eCos; if not, write to the Free Software Foundation, Inc.,    
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//
// 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.                                               
//
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// on this file might be covered by the GNU General Public License.         
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// ####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