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/* Hey, the copyright is useful 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 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   "

"// 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.,  "

"// 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 "

"// 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 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):           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

#ifndef CYGSEM_IO_FLASH_LEGACY_API

# define NA_MSG "Need legacy IO FLASH API 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((_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 = (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 */