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//==========================================================================

//

//        clock0.cxx

//

//        Clock test 0

//

//==========================================================================

//####ECOSGPLCOPYRIGHTBEGIN####

// -------------------------------------------

// This file is part of eCos, the Embedded Configurable Operating System.

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//####ECOSGPLCOPYRIGHTEND####

//==========================================================================

//#####DESCRIPTIONBEGIN####

//

// Author(s):     dsm

// Contributors:    dsm

// Date:          1998-02-13

// Description:   Tests some basic clock functions.

// Omissions:     Doesn't test likely boundary conditions for

//                CYGNUM_KERNEL_COUNTERS_MULTI_LIST_SIZE

//                Real Time Clock Testing is limited

// Options:

//     CYGIMP_KERNEL_COUNTERS_SINGLE_LIST

//     CYGIMP_KERNEL_COUNTERS_MULTI_LIST

//     CYGVAR_KERNEL_COUNTERS_CLOCK

//     CYGNUM_KERNEL_COUNTERS_MULTI_LIST_SIZE

// Assumptions:   This assumes we have long long support and

//                that counters are 64 bits.

//####DESCRIPTIONEND####

#include <pkgconf/kernel.h>

#include <cyg/kernel/clock.hxx>

#include <cyg/infra/testcase.h>

#include <cyg/kernel/clock.inl>

#include "testaux.hxx"

#ifdef CYGVAR_KERNEL_COUNTERS_CLOCK

cyg_alarm_fn call_me;

bool flash( void )

{

    Cyg_Counter counter0 = Cyg_Counter();

    Cyg_Counter counter1 = Cyg_Counter(723);

    CYG_ASSERTCLASSO( counter0, "error" );

    CYG_ASSERTCLASSO( counter1, "error" );

    Cyg_Alarm alarm0 = Cyg_Alarm(&counter0, call_me, 12);

    CYG_ASSERTCLASSO( alarm0, "error" );

    Cyg_Clock::cyg_resolution res = {1,2};

    Cyg_Clock clock0(res);

    CYG_ASSERTCLASSO( clock0, "error" );

    return true;

}

// Testing alarms

//

// call_me is a function that will be called when an alarm is

// triggered.  It updates a global variable called which is CHECKed

// explicitly to see if the approriate alarms have been called.

cyg_uint16 called = 0x0;

void call_me(Cyg_Alarm *alarm, CYG_ADDRWORD data)

{

    called ^= data;

}

void call_me2(Cyg_Alarm *alarm, CYG_ADDRWORD data)

{

    call_me(alarm, data^0x10);

}

void clock0_main(void)

{

    CYG_TEST_INIT();

    CHECK(flash());

    CHECK(flash());

    const cyg_uint32 big_number = 3333222111u;

    Cyg_Counter counter0 = Cyg_Counter();

    CHECK( 0 == counter0.current_value() );

    CHECK( 0 == counter0.current_value_lo() );

    CHECK( 0 == counter0.current_value_hi() );

    counter0.tick();

    CHECK( 1 == counter0.current_value() );

    CHECK( 1 == counter0.current_value_lo() );

    CHECK( 0 == counter0.current_value_hi() );

    counter0.tick(6);

    CHECK( 7 == counter0.current_value() );

    CHECK( 7 == counter0.current_value_lo() );

    CHECK( 0 == counter0.current_value_hi() );

    counter0.set_value( 0xfffffffc );

    CHECK( 0xfffffffc == counter0.current_value() );

    CHECK( 0xfffffffc == counter0.current_value_lo() );

    CHECK( 0 == counter0.current_value_hi() );

    counter0.tick( 0x13 );      // Overflows 32 bits

    CHECK( 0x10000000fULL == counter0.current_value() );

    CHECK( 0xf == counter0.current_value_lo() );

    CHECK( 0x1 == counter0.current_value_hi() );

    Cyg_Counter counter1 = Cyg_Counter(big_number);

    CHECK( 0 == counter1.current_value() );

    CHECK( 0 == counter1.current_value_lo() );

    CHECK( 0 == counter1.current_value_hi() );

    counter1.tick(2);

    CHECK( 2ll*big_number == counter1.current_value() );

    CHECK( ((2ll*big_number) & 0xffffffff) ==

                counter1.current_value_lo() );

    CHECK( ((2ll*big_number) >> 32) == counter1.current_value_hi() );

    counter1.tick();

    CHECK( 3ll*big_number == counter1.current_value() );

    CHECK( ((3ll*big_number) & 0xffffffff) ==

                counter1.current_value_lo() );

    CHECK( ((3ll*big_number) >> 32) == counter1.current_value_hi() );

    counter1.tick();

    CHECK( 4ll*big_number == counter1.current_value() );

    CHECK( ((4ll*big_number) & 0xffffffff) ==

                counter1.current_value_lo() );

    CHECK( ((4ll*big_number) >> 32) == counter1.current_value_hi() );

    counter1.set_value(1222333444555ll);

    CHECK( 1222333444555ll == counter1.current_value() );

    counter0.set_value(11);

    CHECK( 11 == counter0.current_value() );

    // the call_me functions cause the "called" bits to toggle

    // CHECKing the value of called TEST_CHECKs the parity of # of calls

    // made by each alarm.

    Cyg_Alarm alarm0 = Cyg_Alarm(&counter0, call_me, 0x1);

    Cyg_Alarm alarm1 = Cyg_Alarm(&counter0, call_me, 0x2);

    Cyg_Alarm alarm2 = Cyg_Alarm(&counter0, call_me2, 0x4);

    CHECK( 0x00 == called );

    alarm0.initialize(12,3);

    alarm2.initialize(21,2);

    CHECK( 0x00 == called );

    counter0.tick();            // 12 a0

    CHECK( 0x01 == called );

    alarm1.initialize(13,0);

    counter0.tick();            // 13 a1

    CHECK( 0x03 == called );

    alarm1.initialize(17,0);

    counter0.tick();            // 14

    CHECK( 0x03 == called );

    counter0.tick();            // 15 a0

    CHECK( 0x02 == called );

    counter0.tick(2);           // 17 a1

    CHECK( 0x00 == called );

    counter0.tick();            // 18 a0

    CHECK( 0x01 == called );

    counter0.tick(3);           // 21 a0 a2

    CHECK( 0x14 == called );

    counter0.tick(2);           // 23 a2

    CHECK( 0x00 == called );

    alarm2.disable();

    counter0.tick(2);           // 25 a0(24)

    CHECK( 0x01 == called );

    alarm2.enable();            // a2 (enabled at 25)

    CHECK( 0x15 == called );

    counter0.tick();            // 26

    CHECK( 0x15 == called );

    counter0.tick(2);           // 28 a0(27) a2(27)

    CHECK( 0x00 == called );

    counter0.tick(3);           // 31 a0(30) a2(29 31)

    CHECK( 0x01 == called );

    Cyg_Clock::cyg_resolution res0;

    res0.dividend = 100;

    res0.divisor = 3;

    Cyg_Clock::cyg_resolution res1;

    Cyg_Clock clock0 = Cyg_Clock(res0);

    res1 = clock0.get_resolution();

    CHECK( res0.dividend == res1.dividend );

    CHECK( res0.divisor == res1.divisor );

    res1.dividend = 12;

    res1.divisor = 25;

    clock0.set_resolution(res1);

    res0 = clock0.get_resolution();

    CHECK( res0.dividend == res1.dividend );

    CHECK( res0.divisor == res1.divisor );

    res0 = Cyg_Clock::real_time_clock->get_resolution();

    CYG_TEST_PASS_FINISH("Clock 0 OK");

}

externC void

cyg_start( void )

{

#ifdef CYGSEM_HAL_STOP_CONSTRUCTORS_ON_FLAG

    cyg_hal_invoke_constructors();

#endif

    clock0_main();

}

#else // def CYGVAR_KERNEL_COUNTERS_CLOCK

externC void

cyg_start( void )

{

    CYG_TEST_INIT();

    CYG_TEST_NA( "Kernel real-time clock disabled");

}

#endif // def CYGVAR_KERNEL_COUNTERS_CLOCK

// EOF clock0.cxx