Mercurial > ecos
diff packages/devs/flash/synth/current/tests/flash1.c @ 202:353a011b23b8
Merge from eCos master repository on 2002-01-11-06:43:03-GMT
| author | jlarmour |
|---|---|
| date | Fri, 11 Jan 2002 16:53:46 +0000 |
| parents | |
| children | e0c0827131d1 |
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new file mode 100644 --- /dev/null +++ b/packages/devs/flash/synth/current/tests/flash1.c @@ -0,0 +1,179 @@ +/* Hay, the copyright is usefull for something! */ + +static char copyright[] = " +//========================================================================== +// +// flash1.c +// +// Test flash operations for the synth target synth flash driver +// +//========================================================================== +//####COPYRIGHTBEGIN#### +// +// ------------------------------------------- +// The contents of this file are subject to the Red Hat eCos Public License +// Version 1.1 (the \"License\"); you may not use this file except in +// compliance with the License. You may obtain a copy of the License at +// http://www.redhat.com/ +// +// Software distributed under the License is distributed on an \"AS IS\" +// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the +// License for the specific language governing rights and limitations under +// the License. +// +// The Original Code is eCos - Embedded Configurable Operating System, +// released September 30, 1998. +// +// The Initial Developer of the Original Code is Red Hat. +// Portions created by Red Hat are +// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. +// All Rights Reserved. +// ------------------------------------------- +// +//####COPYRIGHTEND#### +//========================================================================== +//#####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,©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 = (unsigned 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 */
