AtaError mmcConfigFs(char *fileName) {
Uint16 index;
AtaError ata_error;
unsigned int diskType;
ata_error = ATA_ERROR_NONE;
for (index = 0; index < CSL_MMCSD_ATA_BUF_SIZE; index++) {
gMmcWriteBuf[index] = 0x4142;
AtaWrBuf[index] = 0x4344;
gMmcReadBuf[index] = 0x0;
}
/* Call init function initialize ATA state structure */
gpstrAtaDrive->AtaInitAtaMediaState = (AtaError (*)(void *)) MMC_initState;
gpstrAtaMMCState->hMmcSd = mmcsdHandle;
gpstrAtaDrive->pAtaMediaState = gpstrAtaMMCState;
gpstrAtaDrive->AtaInitAtaMediaState(gpstrAtaDrive);
/* Set the temp write buffer */
gpstrAtaDrive->_AtaWriteBuffer = AtaWrBuf;
diskType = CSL_MMCSD_ATAFS_DISKTYPE;
/* Call ATA_systemInit() to intialize some values whcih are
used by chk_mmc() function */
ata_error = ATA_systemInit(gpstrAtaDrive, diskType);
chk_mmc(gpstrAtaDrive, &diskType);
if (diskType != CSL_MMCSD_ATAFS_DISKTYPE) {
ata_error = ATA_systemInit(gpstrAtaDrive, diskType);
if (ata_error != ATA_ERROR_NONE) {
printf("ATA_systemInit Failed\n");
printf("Format the SD card\n");
return (ata_error);
}
}
printf("\nATA File System Initialization successful\n");
/* Find the first file available */
ata_error = ATA_fileInit(gpstrAtaDrive, pAtaFile);
if (ata_error) {
printf("ATA_fileInit error (0x%x)\n", ata_error);
return (ata_error);
}
ata_error = ATA_setLongDirectoryName(pAtaFile, fileName);
if (ata_error != ATA_ERROR_NONE) {
printf("ATA_setLongDirectoryName Failed\n");
return (ata_error);
}
ata_error = ATA_createDirectoryLong(pAtaFile, fileName);
if (ata_error != ATA_ERROR_NONE) {
printf("ATA_createDirectoryLong Failed\n");
return (ata_error);
}
ata_error = ATA_cdRoot(pAtaFile);
if (ata_error != ATA_ERROR_NONE) {
printf("ATA_cdRoot Failed\n");
return (ata_error);
}
do {
ata_error = ATA_findNext(pAtaFile);
if (ata_error != ATA_ERROR_NONE) {
printf("Cannot find created directory\n");
return (ata_error);
}
ata_error = ATA_getLongName(pAtaFile, ataFileName, 0, 10);
if (ata_error != ATA_ERROR_NONE) {
printf("ATA_getLongName failed\n");
return (ata_error);
}
} while (strcmp(ataFileName, fileName) != 0);
ata_error = ATA_cd(pAtaFile);
if (ata_error != ATA_ERROR_NONE) {
printf("ATA_cdRoot Failed\n");
return (ata_error);
}
/* Set the file name */
ATA_setFileName(pAtaFile, fileName, "txt");
ata_error = ATA_create(pAtaFile);
if (ata_error != ATA_ERROR_NONE) {
printf("ATA_create Failed\n");
return (ata_error);
} else {
printf("\nFile Creation on SD card is Successful\n");
}
/* Write data to the file */
ata_error = ATA_write(pAtaFile, gMmcWriteBuf, CSL_MMCSD_ATA_BUF_SIZE);
if (ata_error != ATA_ERROR_NONE) {
printf("ATA_write Failed\n");
return (ata_error);
} else {
printf("\nWriting Data to the file on SD card successful\n");
}
/* Reset the file pointer to the beginning */
ATA_seek(pAtaFile, 0);
/* Read the data from the file in little endian mode */
ata_error = ATA_readLittleEndian(pAtaFile, gMmcReadBuf,
CSL_MMCSD_ATA_BUF_SIZE);
if (ata_error != ATA_ERROR_NONE) {
printf("ATA_readLittleEndian Failed\n");
return (ata_error);
} else {
printf("\nReading Data from the file on SD card successful\n");
}
/* Close the file */
ata_error = ATA_close(pAtaFile);
if (ata_error != ATA_ERROR_NONE) {
printf("ATA_close Failed\n");
return (ata_error);
}
/* Compare the data read and data written */
for (index = 0; index < CSL_MMCSD_ATA_BUF_SIZE; index++) {
if (gMmcWriteBuf[index] != gMmcReadBuf[index]) {
ata_error = 1;
printf("\nMMCSD Read and Write Buffers do not Match\n");
break;
}
}
if (ata_error == 0) {
printf("\nMMCSD Read and Write Buffers Match\n");
}
return (ata_error);
}
/**
* \brief Function to configure file system and perform
* read/write operations
*
* \param fileName - Name of the file to be created
*
* \return Test result
*/
AtaError mmcConfigFs(char *fileName)
{
Uint16 index;
AtaError ata_error;
unsigned int diskType;
ata_error = ATA_ERROR_NONE;
for(index = 0; index < CSL_MMCSD_ATA_BUF_SIZE; index++)
{
gMmcWriteBuf[index] = 0x4142;
AtaWrBuf[index] = 0x4344;
gMmcReadBuf[index] = 0x0;
}
/* Call init function initialize ATA state structure */
gpstrAtaDrive->AtaInitAtaMediaState = (AtaError (*)(void *))MMC_initState;
gpstrAtaMMCState->hMmcSd = mmcsdHandle;
gpstrAtaDrive->pAtaMediaState = gpstrAtaMMCState;
gpstrAtaDrive->AtaInitAtaMediaState(gpstrAtaDrive);
/* For partitioned disk, 'diskType' should be 0
and for unpartiotioned disk, it should be 1
*/
/* chk_mmc() function is used to check the partition type of
SD card.
ATA_systemInit() function needs to be called
with 'diskType' set to 0 before calling chk_mmc().
chk_mmc() function will check whether the disk is partitioned
or unpartitioned. If disk is not partitioned it will change the
'diskType' value to 1 otherwise it will not change the diskType value.
After calling chk_mmc() if 'diskType' is not '0' , It means that
the SD card is not partitioned and ATA_systemInit() needs to be
called with 'diskType' value modified by chk_mmc() function */
diskType = CSL_MMCSD_ATAFS_DISKTYPE;
/* Call ATA_systemInit() to intialize some values whcih are
used by chk_mmc() function */
ata_error = ATA_systemInit(gpstrAtaDrive, diskType);
chk_mmc(gpstrAtaDrive, &diskType);
if(diskType != CSL_MMCSD_ATAFS_DISKTYPE)
{
ata_error = ATA_systemInit(gpstrAtaDrive, diskType);
if(ata_error != ATA_ERROR_NONE)
{
printf("ATA_systemInit Failed\n");
printf("Format the SD card\n");
return(ata_error);
}
}
printf("\nATA File System Initialization successful\n");
/* Find the first file available */
ata_error = ATA_fileInit(gpstrAtaDrive, pAtaFile);
if(ata_error) {
printf("ATA_fileInit error (0x%x)\n", ata_error);
return(ata_error);
}
/* Set the temp write buffer */
pAtaFile->pDrive->_AtaWriteBuffer = AtaWrBuf;
/* Set the file name */
ATA_setFileName(pAtaFile, fileName, "txt");
ata_error = ATA_create(pAtaFile);
if(ata_error != ATA_ERROR_NONE)
{
printf("ATA_create Failed\n");
return(ata_error);
}
else
{
printf("\nFile Creation on SD card is Successful\n");
}
/* Write data to the file */
ata_error = ATA_write(pAtaFile, gMmcWriteBuf, CSL_MMCSD_ATA_BUF_SIZE);
if(ata_error != ATA_ERROR_NONE)
{
printf("ATA_write Failed\n");
return(ata_error);
}
else
{
printf("\nWriting Data to the file on SD card successful\n");
}
/* Reset the file pointer to the beginning */
ATA_seek (pAtaFile, 0);
/* Read the data from the file in little endian mode */
ata_error = ATA_readLittleEndian(pAtaFile,gMmcReadBuf, CSL_MMCSD_ATA_BUF_SIZE);
if(ata_error != ATA_ERROR_NONE)
{
printf("ATA_readLittleEndian Failed\n");
return(ata_error);
}
else
{
printf("\nReading Data from the file on SD card successful\n");
}
/* Close the file */
ata_error = ATA_close(pAtaFile);
if(ata_error != ATA_ERROR_NONE)
{
printf("ATA_close Failed\n");
return(ata_error);
}
/* Compare the data read and data written */
for(index = 0; index < CSL_MMCSD_ATA_BUF_SIZE; index++)
{
if(gMmcWriteBuf[index] != gMmcReadBuf[index])
{
ata_error = 1;
printf("\nMMCSD Read and Write Buffers do not Match\n");
break;
}
}
if(ata_error == 0)
{
printf("\nMMCSD Read and Write Buffers Match\n");
}
return(ata_error);
}