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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,©right,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,©right,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 */
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