diff options
Diffstat (limited to 'fatfs/doc/res/app4.c')
| -rw-r--r-- | fatfs/doc/res/app4.c | 317 |
1 files changed, 0 insertions, 317 deletions
diff --git a/fatfs/doc/res/app4.c b/fatfs/doc/res/app4.c deleted file mode 100644 index 03d124d..0000000 --- a/fatfs/doc/res/app4.c +++ /dev/null @@ -1,317 +0,0 @@ -/*----------------------------------------------------------------------/
-/ Low level disk I/O module function checker
-/-----------------------------------------------------------------------/
-/ WARNING: The data on the target drive will be lost!
-*/
-
-#include <stdio.h>
-#include <string.h>
-#include "ff.h"
-#include "diskio.h"
-
-
-static
-DWORD pn (
- DWORD pns
-)
-{
- static DWORD lfsr;
- UINT n;
-
-
- if (pns) {
- lfsr = pns;
- for (n = 0; n < 32; n++) pn(0);
- }
- if (lfsr & 1) {
- lfsr >>= 1;
- lfsr ^= 0x80200003;
- } else {
- lfsr >>= 1;
- }
- return lfsr;
-}
-
-
-int test_diskio (
- BYTE pdrv, /* Physical drive number to be checked (all data on the drive will be lost) */
- UINT ncyc, /* Number of test cycles */
- DWORD* buff, /* Pointer to the working buffer */
- UINT sz_buff /* Size of the working buffer in unit of byte */
-)
-{
- UINT n, cc, ns;
- DWORD sz_drv, lba, lba2, pns = 1;
- WORD sz_sect, sz_eblk;
- BYTE *pbuff = (BYTE*)buff;
- DSTATUS ds;
- DRESULT dr;
-
-
- printf("test_diskio(%u, %u, 0x%08X, 0x%08X)\n", pdrv, ncyc, (UINT)buff, sz_buff);
-
- if (sz_buff < _MAX_SS + 4) {
- printf("Insufficient work area to test.\n");
- return 1;
- }
-
- for (cc = 1; cc <= ncyc; cc++) {
- printf("**** Test cycle %u of %u start ****\n", cc, ncyc);
-
- /* Initialization */
- printf(" disk_initalize(%u)", pdrv);
- ds = disk_initialize(pdrv);
- if (ds & STA_NOINIT) {
- printf(" - failed.\n");
- return 2;
- } else {
- printf(" - ok.\n");
- }
-
- /* Get drive size */
- printf("**** Get drive size ****\n");
- printf(" disk_ioctl(%u, GET_SECTOR_COUNT, 0x%08X)", pdrv, (UINT)&sz_drv);
- sz_drv = 0;
- dr = disk_ioctl(pdrv, GET_SECTOR_COUNT, &sz_drv);
- if (dr == RES_OK) {
- printf(" - ok.\n");
- } else {
- printf(" - failed.\n");
- return 3;
- }
- if (sz_drv < 128) {
- printf("Failed: Insufficient drive size to test.\n");
- return 4;
- }
- printf(" Number of sectors on the drive %u is %lu.\n", pdrv, sz_drv);
-
-#if _MAX_SS != _MIN_SS
- /* Get sector size */
- printf("**** Get sector size ****\n");
- printf(" disk_ioctl(%u, GET_SECTOR_SIZE, 0x%X)", pdrv, (UINT)&sz_sect);
- sz_sect = 0;
- dr = disk_ioctl(pdrv, GET_SECTOR_SIZE, &sz_sect);
- if (dr == RES_OK) {
- printf(" - ok.\n");
- } else {
- printf(" - failed.\n");
- return 5;
- }
- printf(" Size of sector is %u bytes.\n", sz_sect);
-#else
- sz_sect = _MAX_SS;
-#endif
-
- /* Get erase block size */
- printf("**** Get block size ****\n");
- printf(" disk_ioctl(%u, GET_BLOCK_SIZE, 0x%X)", pdrv, (UINT)&sz_eblk);
- sz_eblk = 0;
- dr = disk_ioctl(pdrv, GET_BLOCK_SIZE, &sz_eblk);
- if (dr == RES_OK) {
- printf(" - ok.\n");
- } else {
- printf(" - failed.\n");
- }
- if (dr == RES_OK || sz_eblk >= 2) {
- printf(" Size of the erase block is %u sectors.\n", sz_eblk);
- } else {
- printf(" Size of the erase block is unknown.\n");
- }
-
- /* Single sector write test */
- printf("**** Single sector write test 1 ****\n");
- lba = 0;
- for (n = 0, pn(pns); n < sz_sect; n++) pbuff[n] = (BYTE)pn(0);
- printf(" disk_write(%u, 0x%X, %lu, 1)", pdrv, (UINT)pbuff, lba);
- dr = disk_write(pdrv, pbuff, lba, 1);
- if (dr == RES_OK) {
- printf(" - ok.\n");
- } else {
- printf(" - failed.\n");
- return 6;
- }
- printf(" disk_ioctl(%u, CTRL_SYNC, NULL)", pdrv);
- dr = disk_ioctl(pdrv, CTRL_SYNC, 0);
- if (dr == RES_OK) {
- printf(" - ok.\n");
- } else {
- printf(" - failed.\n");
- return 7;
- }
- memset(pbuff, 0, sz_sect);
- printf(" disk_read(%u, 0x%X, %lu, 1)", pdrv, (UINT)pbuff, lba);
- dr = disk_read(pdrv, pbuff, lba, 1);
- if (dr == RES_OK) {
- printf(" - ok.\n");
- } else {
- printf(" - failed.\n");
- return 8;
- }
- for (n = 0, pn(pns); n < sz_sect && pbuff[n] == (BYTE)pn(0); n++) ;
- if (n == sz_sect) {
- printf(" Data matched.\n");
- } else {
- printf("Failed: Read data differs from the data written.\n");
- return 10;
- }
- pns++;
-
- /* Multiple sector write test */
- printf("**** Multiple sector write test ****\n");
- lba = 1; ns = sz_buff / sz_sect;
- if (ns > 4) ns = 4;
- for (n = 0, pn(pns); n < (UINT)(sz_sect * ns); n++) pbuff[n] = (BYTE)pn(0);
- printf(" disk_write(%u, 0x%X, %lu, %u)", pdrv, (UINT)pbuff, lba, ns);
- dr = disk_write(pdrv, pbuff, lba, ns);
- if (dr == RES_OK) {
- printf(" - ok.\n");
- } else {
- printf(" - failed.\n");
- return 11;
- }
- printf(" disk_ioctl(%u, CTRL_SYNC, NULL)", pdrv);
- dr = disk_ioctl(pdrv, CTRL_SYNC, 0);
- if (dr == RES_OK) {
- printf(" - ok.\n");
- } else {
- printf(" - failed.\n");
- return 12;
- }
- memset(pbuff, 0, sz_sect * ns);
- printf(" disk_read(%u, 0x%X, %lu, %u)", pdrv, (UINT)pbuff, lba, ns);
- dr = disk_read(pdrv, pbuff, lba, ns);
- if (dr == RES_OK) {
- printf(" - ok.\n");
- } else {
- printf(" - failed.\n");
- return 13;
- }
- for (n = 0, pn(pns); n < (UINT)(sz_sect * ns) && pbuff[n] == (BYTE)pn(0); n++) ;
- if (n == (UINT)(sz_sect * ns)) {
- printf(" Data matched.\n");
- } else {
- printf("Failed: Read data differs from the data written.\n");
- return 14;
- }
- pns++;
-
- /* Single sector write test (misaligned memory address) */
- printf("**** Single sector write test 2 ****\n");
- lba = 5;
- for (n = 0, pn(pns); n < sz_sect; n++) pbuff[n+3] = (BYTE)pn(0);
- printf(" disk_write(%u, 0x%X, %lu, 1)", pdrv, (UINT)(pbuff+3), lba);
- dr = disk_write(pdrv, pbuff+3, lba, 1);
- if (dr == RES_OK) {
- printf(" - ok.\n");
- } else {
- printf(" - failed.\n");
- return 15;
- }
- printf(" disk_ioctl(%u, CTRL_SYNC, NULL)", pdrv);
- dr = disk_ioctl(pdrv, CTRL_SYNC, 0);
- if (dr == RES_OK) {
- printf(" - ok.\n");
- } else {
- printf(" - failed.\n");
- return 16;
- }
- memset(pbuff+5, 0, sz_sect);
- printf(" disk_read(%u, 0x%X, %lu, 1)", pdrv, (UINT)(pbuff+5), lba);
- dr = disk_read(pdrv, pbuff+5, lba, 1);
- if (dr == RES_OK) {
- printf(" - ok.\n");
- } else {
- printf(" - failed.\n");
- return 17;
- }
- for (n = 0, pn(pns); n < sz_sect && pbuff[n+5] == (BYTE)pn(0); n++) ;
- if (n == sz_sect) {
- printf(" Data matched.\n");
- } else {
- printf("Failed: Read data differs from the data written.\n");
- return 18;
- }
- pns++;
-
- /* 4GB barrier test */
- printf("**** 4GB barrier test ****\n");
- if (sz_drv >= 128 + 0x80000000 / (sz_sect / 2)) {
- lba = 6; lba2 = lba + 0x80000000 / (sz_sect / 2);
- for (n = 0, pn(pns); n < (UINT)(sz_sect * 2); n++) pbuff[n] = (BYTE)pn(0);
- printf(" disk_write(%u, 0x%X, %lu, 1)", pdrv, (UINT)pbuff, lba);
- dr = disk_write(pdrv, pbuff, lba, 1);
- if (dr == RES_OK) {
- printf(" - ok.\n");
- } else {
- printf(" - failed.\n");
- return 19;
- }
- printf(" disk_write(%u, 0x%X, %lu, 1)", pdrv, (UINT)(pbuff+sz_sect), lba2);
- dr = disk_write(pdrv, pbuff+sz_sect, lba2, 1);
- if (dr == RES_OK) {
- printf(" - ok.\n");
- } else {
- printf(" - failed.\n");
- return 20;
- }
- printf(" disk_ioctl(%u, CTRL_SYNC, NULL)", pdrv);
- dr = disk_ioctl(pdrv, CTRL_SYNC, 0);
- if (dr == RES_OK) {
- printf(" - ok.\n");
- } else {
- printf(" - failed.\n");
- return 21;
- }
- memset(pbuff, 0, sz_sect * 2);
- printf(" disk_read(%u, 0x%X, %lu, 1)", pdrv, (UINT)pbuff, lba);
- dr = disk_read(pdrv, pbuff, lba, 1);
- if (dr == RES_OK) {
- printf(" - ok.\n");
- } else {
- printf(" - failed.\n");
- return 22;
- }
- printf(" disk_read(%u, 0x%X, %lu, 1)", pdrv, (UINT)(pbuff+sz_sect), lba2);
- dr = disk_read(pdrv, pbuff+sz_sect, lba2, 1);
- if (dr == RES_OK) {
- printf(" - ok.\n");
- } else {
- printf(" - failed.\n");
- return 23;
- }
- for (n = 0, pn(pns); pbuff[n] == (BYTE)pn(0) && n < (UINT)(sz_sect * 2); n++) ;
- if (n == (UINT)(sz_sect * 2)) {
- printf(" Data matched.\n");
- } else {
- printf("Failed: Read data differs from the data written.\n");
- return 24;
- }
- } else {
- printf(" Test skipped.\n");
- }
- pns++;
-
- printf("**** Test cycle %u of %u completed ****\n\n", cc, ncyc);
- }
-
- return 0;
-}
-
-
-
-int main (int argc, char* argv[])
-{
- int rc;
- DWORD buff[512]; /* 2048 byte working buffer */
-
- /* Check function/compatibility of the physical drive #0 */
- rc = test_diskio(0, 3, buff, sizeof buff);
- if (rc) {
- printf("Sorry the function/compatibility test failed. (rc=%d)\nFatFs will not work on this disk driver.\n", rc);
- } else {
- printf("Congratulations! The disk driver works well.\n");
- }
-
- return rc;
-}
-
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