void SD_File_Create(void)
{
ReadBPB();
FormatCard();
FATSystemType(); //MMC/SD卡文件系统类型判断，FAT32_EN==1则为FAT32文件系统
if(FAT32_EN==1) ReadBPB32();
FileCountSearch(); //搜索文件夹及文件数量
DelFile("DATAFILETXT");
//FileCountSearch(); //搜索文件夹及文件数量
if(FAT32_EN==0)
{
//FAT文件系统下在根目录下创建文件或文件夹，0x10为文件夹，0x20为文件
CreateFile("DATAFILETXT", 0x20);
DeBug_Print_Str("create success ..!\r\n");
}
else
{
FAT32CreateFile("DATAFILETXT");
DeBug_Print_Str("create fail ..!\r\n");
}
}
exp bool Open(const char* fname, unsigned int pO, unsigned int pLen) {
partitionOffset = pO;
partitionLength = pLen;
// Open the image
f.open(fname, std::ios::in | std::ios::out | std::ios::binary);
if (!f.is_open()) {
LastError("Open", "Failed to open disk");
return false;
}
f.seekg(0, std::ios::end);
fsize = (size_t)f.tellg();
f.seekg(0);
// Allocate a buffer
sectorBuffer = new char[SECTOR_SIZE];
// Read the BPB
if (!ReadBPB()) {
LastError("Open", "Failed to read the BPB");
return false;
}
// Read filesystem info
fsInfo = new FileSystemInfo;
ReadSector((char*)fsInfo, bpb->clusterFSInfo);
// Load the root directory
if (!DirOpenRoot()) {
LastError("Open", "Failed to load the root directory");
return false;
}
volumeId = new char[DOS83_MAX_LEN + 1];
ReadSector(sectorBuffer, ClusterToSector(bpb->clusterRoot));
DirectoryEntry* entry = FindEntryAttribute(ATTRIB_VOLUME_ID, &directory);
if (entry) {
memcpy(volumeId, entry->name, DOS83_MAX_LEN);
volumeId[11] = 0;
}
return true;
}
/*******************************************************************************
* Function Name : FAT_Init
* Description : Init the FAT16 File System.
* Input : Mone
* Output : None
* Return : None
*******************************************************************************/
void FAT_Init(void)
{
ReadMBR();
ReadBPB();
}
