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Changes to get the MTD test working

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This commit is contained in:
Gregory Nutt 2013-04-30 16:48:43 -06:00
parent 469c5e6230
commit 11d87d9e4f
1 changed files with 72 additions and 29 deletions
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101
examples/mtdpart/mtdpart_main.c
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@ -156,6 +156,7 @@ int mtdpart_main(int argc, char *argv[])
FAR uint32_t *buffer;
char blockname[32];
char charname[32];
size_t partsize;
ssize_t nbytes;
off_t nblocks;
off_t offset;
@ -217,27 +218,39 @@ int mtdpart_main(int argc, char *argv[])
}
message("Flash Geometry:\n");
message(" blocksize: %uld\n", (unsigned long)geo.blocksize);
message(" erasesize: %uld\n", (unsigned long)geo.erasesize);
message(" neraseblocks: %uld\n", (unsigned long)geo.neraseblocks);
message(" blocksize: %lu\n", (unsigned long)geo.blocksize);
message(" erasesize: %lu\n", (unsigned long)geo.erasesize);
message(" neraseblocks: %lu\n", (unsigned long)geo.neraseblocks);
/* Determine the size of each partition */
/* Determine the size of each partition. Make each partition an even
* multiple of the erase block size (perhaps not using some space at the
* end of the FLASH).
*/
blkpererase = geo.erasesize / geo.blocksize;
nblocks = geo.neraseblocks * blkpererase / CONFIG_EXAMPLES_MTDPART_NPARTITIONS;
nblocks = (geo.neraseblocks / CONFIG_EXAMPLES_MTDPART_NPARTITIONS) * blkpererase;
partsize = nblocks * geo.blocksize;
message(" No. partitions: %u\n", CONFIG_EXAMPLES_MTDPART_NPARTITIONS);
message(" Partition size: %lu Blocks (%lu bytes)\n", nblocks, partsize);
/* Now create MTD FLASH partitions */
message("Creating partitions\n");
for (offset = 0, i = 1;
i <= CONFIG_EXAMPLES_MTDPART_NPARTITIONS;
offset += nblocks, i++)
{
message(" Partition %d. Block offset=%lu, size=%lu\n",
i, (unsigned long)offset, (unsigned long)nblocks);
/* Create the partition */
part[i] = mtd_partition(master, offset, nblocks);
if (!part[i])
{
message("ERROR: mtd_partition failed. offset=%uld nblocks=%uld\n",
message("ERROR: mtd_partition failed. offset=%lu nblocks=%lu\n",
(unsigned long)offset, (unsigned long)nblocks);
msgflush();
exit(4);
@ -289,6 +302,8 @@ int mtdpart_main(int argc, char *argv[])
/* Now write the offset into every block */
message("Initializing media:\n");
offset = 0;
for (i = 0; i < geo.neraseblocks; i++)
{
@ -318,10 +333,15 @@ int mtdpart_main(int argc, char *argv[])
/* Now read each partition */
message("Checking partitions:\n");
for (offset = 0, i = 1;
i <= CONFIG_EXAMPLES_MTDPART_NPARTITIONS;
offset += nblocks, i++)
offset += partsize, i++)
{
message(" Partition %d. Byte offset=%lu, size=%lu\n",
i, (unsigned long)offset, (unsigned long)partsize);
/* Open the master MTD partition character driver for writing */
snprintf(charname, 32, "/dev/mtd%d", i);
@ -336,35 +356,57 @@ int mtdpart_main(int argc, char *argv[])
/* Now verify the offset in every block */
check = offset;
for (i = 0; i < nblocks; i++)
for (j = 0; j < nblocks; j++)
{
for (j = 0; j < blkpererase; j++)
#if 0 /* Too much */
message(" block=%u offset=%lu\n", j, (unsigned long) check);
#endif
/* Read the next block into memory */
nbytes = read(fd, buffer, geo.blocksize);
if (nbytes < 0)
{
/* Read the next block into memory */
message("ERROR: read from %s failed: %d\n", charname, errno);
msgflush();
exit(11);
}
nbytes = read(fd, buffer, geo.blocksize);
if (nbytes < 0)
/* Since we forced the size of the partition to be an even number
* of erase blocks, we do not expect to encounter the end of file
* indication.
*/
else if (nbytes == 0)
{
message("ERROR: Unexpected end of file on %s\n", charname);
msgflush();
exit(11);
}
/* This is not expected at all */
else if (nbytes != geo.blocksize)
{
message("ERROR: Short read from %s failed: %lu\n",
charname, (unsigned long)nbytes);
msgflush();
exit(11);
}
/* Verfy the offsets in the block */
for (k = 0; k < geo.blocksize / sizeof(uint32_t); k++)
{
if (buffer[k] != check)
{
message("ERROR: read from %s failed: %d\n", charname, errno);
message("ERROR: Bad offset %lu, expected %lu\n",
(long)buffer[k], (long)check);
msgflush();
exit(11);
exit(12);
}
/* Verfy the offsets in the block */
check = offset;
for (k = 0; k < geo.blocksize / sizeof(uint32_t); k++)
{
if (buffer[k] != check)
{
message("ERROR: Bad offset %uld, expected %uld\n",
buffer[k], check);
msgflush();
exit(12);
}
check += 4;
}
check += 4;
}
}
@ -373,6 +415,7 @@ int mtdpart_main(int argc, char *argv[])
/* And exit without bothering to clean up */
message("PASS: Everything looks good\n");
msgflush();
return 0;
}