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/* Hay, the copyright is usefull for something! */

static char copyright[] = "

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

//

//      flash1.c

//

//      Test flash operations for the synth target synth flash driver

//

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

//####ECOSGPLCOPYRIGHTBEGIN####

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

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

// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, 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.,

// 59 Temple Place, Suite 330, Boston, MA 02111-1307 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.

//

// This exception does not invalidate any other reasons why a work based on

// this file might be covered by the GNU General Public License.

//

// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.

// at http://sources.redhat.com/ecos/ecos-license/

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

//####ECOSGPLCOPYRIGHTEND####

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

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

//

// Author(s):           andrew.lunn@ascom.ch

// Contributors:        andrew.lunn

// Date:                2000-10-31

// Purpose:             Test a flash driver

// Description:         Try out a number of flash operations and make sure

//                      what is in the flash is what we expeect.

//

//####DESCRIPTIONEND####

//

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

";

#include <cyg/io/flash.h>

#include <cyg/infra/testcase.h>

#include <cyg/infra/diag.h>

#include <string.h>

#ifndef CYGINT_ISO_STRING_STRFUNCS

# define NA_MSG "Need string functions for test"

#endif

#ifdef NA_MSG

void cyg_user_start(void)

{

    CYG_TEST_INIT();

    CYG_TEST_NA( NA_MSG );

}

#else

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

// main

void cyg_user_start(void)

{

    int ret;

    char data[1024];

    void *flash_start, *flash_end;

    int block_size, blocks;

    char *prog_start;

    unsigned char * ptr;

    CYG_TEST_INIT();

    ret=flash_init(NULL,0,(_printf *)diag_printf);

    CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_init");

    flash_dev_query(data);

    CYG_TEST_PASS_FAIL(!strncmp(data,"Linux Synthetic Flash",sizeof(data)),

                       "flash_query");

    ret = flash_get_limits(NULL,&flash_start,&flash_end);

    CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_get_limits");

    ret = flash_get_block_info(&block_size, &blocks);

    CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_get_block_info");

    /* Erase the whole flash. Not recommended on real hardware since this

     will probably erase the bootloader etc!!! */

    ret=flash_erase(flash_start,block_size * blocks,NULL);

    CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_erase1");

    /* check that its actually been erased, and test the mmap area */

    for (ptr=flash_start,ret=0; ptr < (unsigned char *)flash_end; ptr++) {

        if (*ptr != 0xff) {

            ret++;

        }

    }

    CYG_TEST_PASS_FAIL((ret == 0),"flash empty check");

    ret = flash_program(flash_start,&copyright,sizeof(copyright),NULL);

    CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_program1");

    /* Check the contents made it into the flash */

    CYG_TEST_PASS_FAIL(!strncmp(flash_start,copyright,sizeof(copyright)),

                       "flash program contents");

    /* .. and check nothing else changed */

    for (ptr=(unsigned char *)flash_start+sizeof(copyright),ret=0;

         ptr < (unsigned char *)flash_end; ptr++) {

        if (*ptr != 0xff) {

            ret++;

        }

    }

    CYG_TEST_PASS_FAIL((ret == 0),"flash program overrun check");

    /* Program over a block boundary */

    prog_start = (unsigned char *)flash_start + block_size - sizeof(copyright)/2;

    ret = flash_program(prog_start,&copyright,sizeof(copyright),NULL);

    CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_program2");

    /* Check the first version is still OK */

    CYG_TEST_PASS_FAIL(!strncmp(flash_start,copyright,sizeof(copyright)),

                       "Original contents");

    CYG_TEST_PASS_FAIL(!strncmp(prog_start,copyright,sizeof(copyright)),

                       "New program contents");

    /* Check the bit in between is still erased */

    for (ptr=(unsigned char *)flash_start+sizeof(copyright),ret=0;

         ptr < (unsigned char *)prog_start; ptr++) {

        if (*ptr != 0xff) {

            ret++;

        }

    }

    CYG_TEST_PASS_FAIL((ret == 0),"flash erase check1");

    /* Erase the second block and make sure the first is not erased */

    ret=flash_erase((void *)((unsigned)flash_start+block_size),

                    block_size,NULL);

    CYG_TEST_PASS_FAIL((ret == FLASH_ERR_OK),"flash_erase2");

    /* Check the erase worked */

    for (ptr=(unsigned char *)flash_start+block_size,ret=0;

         ptr < (unsigned char *)flash_start+block_size*2; ptr++) {

        if (*ptr != 0xff) {

            ret++;

        }

    }

    CYG_TEST_PASS_FAIL((ret == 0), "flash erase check2");

    /* Lastly check the first half of the copyright message is still there */

    CYG_TEST_PASS_FAIL(!strncmp(prog_start,copyright,sizeof(copyright)/2),

                       "Block 1 OK");

#if 0

    /* This test it fatal! Its not run by default!

     Check the flash is read only, by trying to write to it. We expect

     to get an exception */

    *(char *)flash_start = 'a';

#endif

    CYG_TEST_PASS_FINISH("flash1");

}

#endif /* ifndef NA_MSG */

/* EOF flash1.c */