diff options
Diffstat (limited to 'fatfs/documents/res/app4.c')
| -rw-r--r-- | fatfs/documents/res/app4.c | 94 |
1 files changed, 49 insertions, 45 deletions
diff --git a/fatfs/documents/res/app4.c b/fatfs/documents/res/app4.c index 4209f39..c46d1a0 100644 --- a/fatfs/documents/res/app4.c +++ b/fatfs/documents/res/app4.c @@ -10,9 +10,9 @@ #include "diskio.h" /* Declarations of disk functions */
-static
-DWORD pn ( /* Pseudo random number generator */
- DWORD pns /* 0:Initialize, !0:Read */
+
+static DWORD pn ( /* Pseudo random number generator */
+ DWORD pns /* 0:Initialize, !0:Read */
)
{
static DWORD lfsr;
@@ -50,8 +50,8 @@ int test_diskio ( 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 run program.\n");
+ if (sz_buff < FF_MAX_SS + 8) {
+ printf("Insufficient work area to run the program.\n");
return 1;
}
@@ -115,7 +115,7 @@ int test_diskio ( }
/* Single sector write test */
- printf("**** Single sector write test 1 ****\n");
+ printf("**** Single sector write test ****\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);
@@ -145,52 +145,56 @@ int test_diskio ( }
for (n = 0, pn(pns); n < sz_sect && pbuff[n] == (BYTE)pn(0); n++) ;
if (n == sz_sect) {
- printf(" Data matched.\n");
+ printf(" Read data matched.\n");
} else {
- printf("Failed: Read data differs from the data written.\n");
+ printf(" Read data differs from the data written.\n");
return 10;
}
pns++;
printf("**** Multiple sector write test ****\n");
- lba = 1; ns = sz_buff / sz_sect;
+ lba = 5; 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");
+ if (ns > 1) {
+ 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(" Read data matched.\n");
+ } else {
+ printf(" Read data differs from the data written.\n");
+ return 14;
+ }
} else {
- printf("Failed: Read data differs from the data written.\n");
- return 14;
+ printf(" Test skipped.\n");
}
pns++;
- printf("**** Single sector write test (misaligned address) ****\n");
+ printf("**** Single sector write test (unaligned buffer address) ****\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);
@@ -220,9 +224,9 @@ int test_diskio ( }
for (n = 0, pn(pns); n < sz_sect && pbuff[n+5] == (BYTE)pn(0); n++) ;
if (n == sz_sect) {
- printf(" Data matched.\n");
+ printf(" Read data matched.\n");
} else {
- printf("Failed: Read data differs from the data written.\n");
+ printf(" Read data differs from the data written.\n");
return 18;
}
pns++;
@@ -274,9 +278,9 @@ int test_diskio ( }
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");
+ printf(" Read data matched.\n");
} else {
- printf("Failed: Read data differs from the data written.\n");
+ printf(" Read data differs from the data written.\n");
return 24;
}
} else {
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