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

//

//        serial3.c

//

//        Test data half-duplex receive and send.

//

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

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

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

// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.

//

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// the terms of the GNU General Public License as published by the Free     

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//

// As a special exception, if other files instantiate templates or use      

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

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

//

// Author(s):     jskov

// Contributors:  jskov

// Date:          1999-03-17

// Description:   Test the half-duplex receive and send capabilities of 

//                the serial driver.

// Requirements:  This test requires the ser_filter on the host side.

// 

//####DESCRIPTIONEND####

#include <pkgconf/system.h>

#include <cyg/infra/testcase.h>         // test macros

#include <cyg/infra/cyg_ass.h>          // assertion macros

// Package requirements

#if defined(CYGPKG_IO_SERIAL) && defined(CYGPKG_KERNEL)

#include <pkgconf/kernel.h>

// Package option requirements

#if defined(CYGFUN_KERNEL_API_C)

#include <cyg/hal/hal_arch.h>           // CYGNUM_HAL_STACK_SIZE_TYPICAL

#include <cyg/kernel/kapi.h>

unsigned char stack[CYGNUM_HAL_STACK_SIZE_TYPICAL];

cyg_thread thread_data;

cyg_handle_t thread_handle;

#include "ser_test_protocol.inl"

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

// Serial test main function.

void

serial_test( void )

{

    cyg_io_handle_t ser_handle;

    test_open_ser(&ser_handle);

    // We need the filter for this test.

    test_ping(ser_handle);

#if (CYGINT_IO_SERIAL_TEST_SKIP_38400 > 0)

    {

        // The board is too slow to run the driver in interrupt mode

        // at the default 38400 baud when doing this test, so run it

        // at a slower rate.

        cyg_ser_cfg_t slow_cfg = {

            CYGNUM_SERIAL_BAUD_19200, CYGNUM_SERIAL_WORD_LENGTH_8,

            CYGNUM_SERIAL_STOP_1, CYGNUM_SERIAL_PARITY_NONE,

            CYGNUM_SERIAL_FLOW_NONE };

        CYG_TEST_INFO("Reducing baud rate to 19200");

        change_config(ser_handle, &slow_cfg);

    }

#endif

    // Start slowly, then go for max size.

    {

        test_binary(ser_handle,             16, MODE_EOP_ECHO);

        test_binary(ser_handle,            128, MODE_EOP_ECHO);

        test_binary(ser_handle,            256, MODE_EOP_ECHO);

        test_binary(ser_handle, IN_BUFFER_SIZE, MODE_EOP_ECHO);

    }

    // Write some varying length packets.

    {

        int i;

        for(i = 0; i < 8; i++) {

            // No echo.

            test_binary(ser_handle,   256 + 42*i, MODE_NO_ECHO);

            test_binary(ser_handle,    64 +  7*i, MODE_NO_ECHO);

            // Echo.

            test_binary(ser_handle,   256 + 42*i, MODE_EOP_ECHO);

            test_binary(ser_handle,    64 +  7*i, MODE_EOP_ECHO);

        }

    }

#if 0 // Disable this for now.

    // End with some long packets.

    {

        test_binary(ser_handle,  2048, MODE_NO_ECHO);

        test_binary(ser_handle, 16384, MODE_NO_ECHO);

        test_binary(ser_handle, 65536, MODE_NO_ECHO);

    }

#endif

    CYG_TEST_PASS_FINISH("serial3 test OK");

}

void

cyg_start(void)

{

    CYG_TEST_INIT();

    cyg_thread_create(10,                   // Priority - just a number

                      (cyg_thread_entry_t*)serial_test,         // entry

                      0,                    // 

                      "serial_thread",     // Name

                      &stack[0],            // Stack

                      CYGNUM_HAL_STACK_SIZE_TYPICAL,           // Size

                      &thread_handle,       // Handle

                      &thread_data          // Thread data structure

        );

    cyg_thread_resume(thread_handle);

    cyg_scheduler_start();

}

#else // CYGFUN_KERNEL_API_C

#define N_A_MSG "Needs kernel C API"

#endif

#else // CYGPKG_IO_SERIAL && CYGPKG_KERNEL

#define N_A_MSG "Needs IO/serial and Kernel"

#endif

#ifdef N_A_MSG

void

cyg_start( void )

{

    CYG_TEST_INIT();

    CYG_TEST_NA( N_A_MSG);

}

#endif // N_A_MSG

// EOF serial3.c