//Implementation of _fat32GetFileAttributes.
static DWORD _fat32GetFileAttributes(__COMMON_OBJECT* lpDev, LPCTSTR pszFileName) //Get file's attribute.
{
__FAT32_FS* pFat32Fs = NULL;
CHAR FileName[MAX_FILE_NAME_LEN];
__FAT32_SHORTENTRY ShortEntry;
DWORD dwFileAttributes = 0;
if((NULL == pszFileName) || (NULL == lpDev))
{
goto __TERMINAL;
}
pFat32Fs = (__FAT32_FS*)(((__DEVICE_OBJECT*)lpDev)->lpDevExtension);
//strcpy(FileName,(LPSTR)lpDrcb->lpInputBuffer);
StrCpy((CHAR*)pszFileName,FileName);
ToCapital(FileName);
if(!GetDirEntry(pFat32Fs,&FileName[0],&ShortEntry,NULL,NULL))
{
_hx_printf("In _fat32GetFileAttributes: Can not get directory entry.\n%s\n",FileName);
goto __TERMINAL;
}
dwFileAttributes = ShortEntry.FileAttributes;
__TERMINAL:
return dwFileAttributes;
}
static DWORD rd(__CMD_PARA_OBJ* pCmdObj)
{
#ifdef __CFG_SYS_DDF
CHAR FullName[MAX_FILE_NAME_LEN];
BOOL bResult = FALSE;
if(pCmdObj->byParameterNum < 2)
{
PrintLine(" Please specify the directory name to be deleted.");
goto __TERMINAL;
}
strcpy(FullName,FsGlobalData.CurrentDir);
strcat(FullName,pCmdObj->Parameter[1]);
ToCapital(FullName);
bResult = IOManager.RemoveDirectory((__COMMON_OBJECT*)&IOManager,
FullName);
if(!bResult)
{
PrintLine(" Can not delete the specified directory.");
goto __TERMINAL;
}
__TERMINAL:
return SHELL_CMD_PARSER_SUCCESS;;
#else
return FS_CMD_FAILED;
#endif
}
static DWORD md(__CMD_PARA_OBJ* pCmdObj)
{
#ifdef __CFG_SYS_DDF
CHAR DirPath[MAX_FILE_NAME_LEN];
if(pCmdObj->byParameterNum < 2)
{
PrintLine(" Please specify the directory name to be created.");
return SHELL_CMD_PARSER_SUCCESS;;
}
strcpy(DirPath,FsGlobalData.CurrentDir);
strcat(DirPath,pCmdObj->Parameter[1]);
ToCapital(DirPath);
if(IOManager.CreateDirectory((__COMMON_OBJECT*)&IOManager,
DirPath,
NULL))
{
PrintLine(" Create directory successfully.");
}
else
{
PrintLine(" Create directory failed.");
}
return SHELL_CMD_PARSER_SUCCESS;;
#else
return FS_CMD_FAILED;
#endif
}
static DWORD dir(__CMD_PARA_OBJ* pCmdObj)
{
#ifdef __CFG_SYS_DDF
FS_FIND_DATA ffd = {0};
__COMMON_OBJECT* pFindHandle = NULL;
BOOL bFindNext = FALSE;
strcpy(Buffer,FsGlobalData.CurrentDir);
/*if(pCmdObj->byParameterNum >= 2) //Target directory specified.
{
strcat(Buffer,pCmdObj->Parameter[1]);
}*/
ToCapital(Buffer); //Convert to capital.
if(pCmdObj->byParameterNum >= 2 && strcmp(pCmdObj->Parameter[1],"-l") == 0)
{
ffd.bGetLongName = TRUE;
}
pFindHandle = IOManager.FindFirstFile((__COMMON_OBJECT*)&IOManager, Buffer, &ffd);
if(NULL == pFindHandle) //Can not open the target directory.
{
PrintLine("Can not open the specified or current directory to display.");
goto __TERMINAL;
}
//Dump out the directory's content.
if(ffd.bGetLongName)
{
PrintLine("File_Name ");
}
else
{
PrintLine(" File_Name FileSize F_D");
}
PrintLine("--------------------------------------------");
do{
PrintDir(&ffd);
bFindNext = IOManager.FindNextFile((__COMMON_OBJECT*)&IOManager,
Buffer,
pFindHandle,
&ffd);
}while(bFindNext);
PrintLine("--------------------------------------------");
//Close the find handle.
IOManager.FindClose((__COMMON_OBJECT*)&IOManager,
Buffer,
pFindHandle);
__TERMINAL:
return SHELL_CMD_PARSER_SUCCESS;;
#else
return FS_CMD_FAILED;
#endif
}
static DWORD vl(__CMD_PARA_OBJ* pCmdObj)
{
#ifdef __CFG_SYS_DDF
HANDLE hFile = NULL;
CHAR Buffer[128];
DWORD dwWritten = 0;
CHAR FullName[MAX_FILE_NAME_LEN];
INT dwCounter = 6;
if(pCmdObj->byParameterNum < 2)
{
PrintLine(" Please specify the file name to be displayed.");
goto __TERMINAL;
}
strcpy(FullName,FsGlobalData.CurrentDir);
strcat(FullName,pCmdObj->Parameter[1]);
ToCapital(FullName);
//Try to open the target file.
hFile = IOManager.CreateFile((__COMMON_OBJECT*)&IOManager,
FullName,
FILE_ACCESS_WRITE | FILE_OPEN_ALWAYS,
0,
NULL);
if(NULL == hFile)
{
PrintLine(" Please specify a valid and present file name.");
goto __TERMINAL;
}
while(dwCounter!= 0)
{
_hx_sprintf(Buffer,"Wish it can work,this line number is %d.\r\n",dwCounter);
if(!IOManager.WriteFile((__COMMON_OBJECT*)&IOManager,
hFile,
strlen(Buffer),
Buffer,
&dwWritten))
{
_hx_sprintf(Buffer," Can not write to file,The line number is %d.",dwCounter);
PrintLine(Buffer);
goto __TERMINAL;
}
dwCounter --;
}
__TERMINAL:
if(hFile)
{
IOManager.CloseFile((__COMMON_OBJECT*)&IOManager,
hFile);
}
return SHELL_CMD_PARSER_SUCCESS;;
#else
return FS_CMD_FAILED;
#endif
}
static DWORD cd(__CMD_PARA_OBJ* pCmdObj)
{
#ifdef __CFG_SYS_DDF
CHAR NewPath[MAX_FILE_NAME_LEN];
CHAR* pCurrPos = NULL;
DWORD dwFileAttr = 0;
if(1 == pCmdObj->byParameterNum) //Print out the current directory.
{
_hx_sprintf(Buffer," Current directory is: %s",FsGlobalData.CurrentDir);
PrintLine(Buffer);
goto __TERMINAL;
}
if(0 == strcmp(".",pCmdObj->Parameter[1])) //Current directory.
{
goto __TERMINAL;
}
if(0 == strcmp("..",pCmdObj->Parameter[1])) //Parent directory.
{
PrintLine(" Can not supported yet.:-)");
goto __TERMINAL;
}
if(0 == strcmp("\\",pCmdObj->Parameter[1])) //Root directory is specified.
{
FsGlobalData.CurrentDir[0] = FsGlobalData.CurrentFs;
FsGlobalData.CurrentDir[1] = ':';
FsGlobalData.CurrentDir[2] = '\\';
FsGlobalData.CurrentDir[3] = 0;
goto __TERMINAL;
}
//Want to enter a new directory.
strcpy(NewPath,FsGlobalData.CurrentDir);
strcat(NewPath,pCmdObj->Parameter[1]); //Form the new path.
strcat(NewPath,"\\"); //Specify a slash.
ToCapital(NewPath); //Convert to capital.
if((dwFileAttr = IOManager.GetFileAttributes((__COMMON_OBJECT*)&IOManager,
NewPath)) == 0) //Use GetFileAttributes to verify the validity of new directory.
{
PrintLine(" Bad target directory name.");
goto __TERMINAL;
}
if((dwFileAttr & FILE_ATTR_DIRECTORY) == 0) //Is not a directory,is a regular file.
{
PrintLine(" Please specify a DIRECTORY name,not a file name.");
goto __TERMINAL;
}
//Validation is ok,set the new path as current directory.
strcpy(FsGlobalData.CurrentDir,NewPath);
__TERMINAL:
return SHELL_CMD_PARSER_SUCCESS;;
#else
return FS_CMD_FAILED;
#endif
}
//Implementation of CreateDirectory.
static BOOL _CreateDirectory(__COMMON_OBJECT* lpThis,
LPCTSTR lpszFileName,
LPVOID lpReserved)
{
__DEVICE_OBJECT* pFsObject = NULL;
__DRCB* pDrcb = NULL;
__IO_MANAGER* pIoManager = (__IO_MANAGER*)lpThis;
BYTE FsIdentifier = 0;
DWORD dwFlags;
CHAR FileName[512];
DWORD dwResult;
int i;
if((NULL == lpszFileName) || (NULL == pIoManager))
{
return FALSE;
}
StrCpy((CHAR*)lpszFileName,FileName);
ToCapital(FileName); //Convert to capital.
//Get file system identifier.
FsIdentifier = FileName[0];
//Get the file system driver object.
__ENTER_CRITICAL_SECTION(NULL,dwFlags);
for(i = 0;i < FILE_SYSTEM_NUM;i ++)
{
if(pIoManager->FsArray[i].FileSystemIdentifier == FsIdentifier)
{
pFsObject = (__DEVICE_OBJECT*)pIoManager->FsArray[i].pFileSystemObject;
break;
}
}
__LEAVE_CRITICAL_SECTION(NULL,dwFlags);
if(NULL == pFsObject) //Can not allocate the specified file system object.
{
return FALSE;
}
//Validate file system object's validity.
if(DEVICE_OBJECT_SIGNATURE != pFsObject->dwSignature)
{
return FALSE;
}
//Create DRCB object and issue Create Directory command.
pDrcb = (__DRCB*)ObjectManager.CreateObject(&ObjectManager,
NULL,
OBJECT_TYPE_DRCB);
if(NULL == pDrcb) //Failed to create DRCB object.
goto __TERMINAL;
if(!pDrcb->Initialize((__COMMON_OBJECT*)pDrcb)) //Failed to initialize.
goto __TERMINAL;
pDrcb->dwRequestMode = DRCB_REQUEST_MODE_IOCTRL;
pDrcb->dwCtrlCommand = IOCONTROL_FS_CREATEDIR;
pDrcb->dwStatus = DRCB_STATUS_INITIALIZED;
pDrcb->dwInputLen = sizeof(LPCTSTR);
pDrcb->lpInputBuffer = (LPVOID)&FileName[0];
dwResult = pFsObject->lpDriverObject->DeviceCtrl((__COMMON_OBJECT*)pFsObject->lpDriverObject,
(__COMMON_OBJECT*)pFsObject,
pDrcb);
__TERMINAL:
if(pDrcb)
{
ObjectManager.DestroyObject(&ObjectManager,
(__COMMON_OBJECT*)pDrcb);
}
return dwResult ? TRUE : FALSE;
}
//CreateFile,open a device or file given it's name.
static __COMMON_OBJECT* _CreateFile(__COMMON_OBJECT* lpThis, //IOManager object.
LPSTR lpszFileName,
DWORD dwAccessMode,
DWORD dwShareMode,
LPVOID lpReserved)
{
CHAR FileName[512];
__COMMON_OBJECT* pFileHandle = NULL;
if(NULL == lpszFileName)
{
return NULL;
}
if(StrLen(lpszFileName) > 511) //File name too long.
{
return NULL;
}
if((lpszFileName[0] == 0) ||
(lpszFileName[1] == 0) ||
(lpszFileName[2] == 0)) //Target file name should has
//at lease 3 characters.
{
return NULL;
}
//strcpy(FileName,lpszFileName);
StrCpy(lpszFileName,FileName);
ToCapital(FileName); //Convert to capital.
if(IS_LETTER(FileName[0])) //Maybe a file object.
{
if(FileName[1] != ':') //Invalid file system name.
{
return NULL;
}
if(FileName[2] != '\\') //Third character should specify root directory.
{
return NULL;
}
//A valid file name specified,so try to open it.
pFileHandle = __OpenFile(lpThis,FileName,dwAccessMode,dwShareMode);
if(NULL == pFileHandle)
{
if(FILE_OPEN_ALWAYS & dwAccessMode) //Try to create one.
{
if(CreateNewFile(lpThis,FileName)) //Can create it.
{
pFileHandle = __OpenFile(lpThis,FileName,dwAccessMode,dwShareMode); //Try to open again.
}
}
}
return pFileHandle;
}
//The target name is not a file name,check if a device name.
if((FileName[0] == '\\') && //For device name,the first 2 character should be '\'.
(FileName[1] == '\\') &&
(FileName[2] == '.' )) //The third character should be a dot.
{
if(FileName[3] != '\\') //The 4th character also must be '\'.
{
return NULL;
}
//The name is a device name,try to open ti.
return __OpenDevice(lpThis,FileName,dwAccessMode,dwShareMode);
}
return NULL;
}
//Implementation of CreateFile for FAT file system.
static __COMMON_OBJECT* FatDeviceOpen(__COMMON_OBJECT* lpDrv,
__COMMON_OBJECT* lpDev,
__DRCB* lpDrcb) //Open file.
{
__FAT32_FILE* pFat32File = NULL;
__FAT32_FS* pFat32Fs = NULL;
__COMMON_OBJECT* pFileDevice = NULL;
CHAR FileName[MAX_FILE_NAME_LEN];
__FAT32_SHORTENTRY ShortEntry;
DWORD dwDirClus = 0;
DWORD dwDirOffset = 0;
DWORD dwFlags;
static CHAR NameIndex = 0;
BOOL bResult = FALSE;
CHAR FileDevName[16];
if((NULL == lpDrv) || (NULL == lpDev))
{
goto __TERMINAL;
}
pFat32Fs = (__FAT32_FS*)(((__DEVICE_OBJECT*)lpDev)->lpDevExtension);
//strcpy(FileName,(LPSTR)lpDrcb->lpInputBuffer);
StrCpy((LPSTR)lpDrcb->lpInputBuffer,FileName);
ToCapital(FileName);
if(!GetDirEntry(pFat32Fs,&FileName[0],&ShortEntry,&dwDirClus,&dwDirOffset))
{
goto __TERMINAL;
}
if(FILE_ATTR_DIRECTORY & ShortEntry.FileAttributes) //Is a directory.
{
goto __TERMINAL;
}
//Create a file object.
pFat32File = (__FAT32_FILE*)CREATE_OBJECT(__FAT32_FILE);
if(NULL == pFat32File)
{
goto __TERMINAL;
}
pFat32File->Attributes = ShortEntry.FileAttributes;
pFat32File->dwClusOffset = 0;
pFat32File->bInRoot = FALSE; //Caution,not check currently.
pFat32File->dwCurrClusNum = ((DWORD)ShortEntry.wFirstClusHi << 16)
+ (DWORD)ShortEntry.wFirstClusLow;
pFat32File->dwCurrPos = 0;
pFat32File->dwFileSize = ShortEntry.dwFileSize;
pFat32File->dwOpenMode = lpDrcb->dwInputLen; //dwInputLen is used to contain open mode.
pFat32File->dwShareMode = lpDrcb->dwOutputLen; //dwOutputLen is used to contain share mode.
pFat32File->dwStartClusNum = pFat32File->dwCurrClusNum;
pFat32File->pFileSystem = pFat32Fs;
pFat32File->pPartition = pFat32Fs->pPartition; //CAUTION!!!
pFat32File->dwParentClus = dwDirClus; //Save parent directory's information.
pFat32File->dwParentOffset = dwDirOffset;
pFat32File->pNext = NULL;
pFat32File->pPrev = NULL;
//Now insert the file object to file system object's file list.
__ENTER_CRITICAL_SECTION(NULL,dwFlags);
if(pFat32Fs->pFileList == NULL) //Not any file object in list yet.
{
pFat32Fs->pFileList = pFat32File;
pFat32File->pNext = NULL;
pFat32File->pPrev = NULL;
}
else
{
pFat32File->pNext = pFat32Fs->pFileList;
pFat32Fs->pFileList->pPrev = pFat32File;
pFat32File->pPrev = NULL;
pFat32Fs->pFileList = pFat32File;
}
__LEAVE_CRITICAL_SECTION(NULL,dwFlags);
//Now create file device object.
//strcpy(FileDevName,FAT32_FILE_NAME_BASE);
StrCpy(FAT32_FILE_NAME_BASE,FileDevName);
FileDevName[13] += NameIndex;
NameIndex ++;
pFileDevice = (__COMMON_OBJECT*)IOManager.CreateDevice((__COMMON_OBJECT*)&IOManager,
FileDevName,
DEVICE_TYPE_FILE,
1, //For file,block size is 1.
DEVICE_BLOCK_SIZE_ANY,
DEVICE_BLOCK_SIZE_ANY,
pFat32File,
(__DRIVER_OBJECT*)lpDrv);
if(NULL == pFileDevice)
{
goto __TERMINAL;
}
bResult = TRUE;
__TERMINAL:
if(!bResult) //The transaction has failed.
{
if(pFat32File)
{
RELEASE_OBJECT(pFat32File);
}
if(pFileDevice)
{
IOManager.DestroyDevice((__COMMON_OBJECT*)&IOManager,
(__DEVICE_OBJECT*)pFileDevice);
}
return NULL;
}
return pFileDevice;
}
//A helper routine used to load a specified module described by module description.
static BOOL LoadModule(__EXTERNAL_MOD_DESC* pModDesc)
{
CHAR FullPathName[64];
CHAR Msg[128];
HANDLE hFile = NULL;
BYTE* pStartAddr = (BYTE*)pModDesc->StartAddress;
BOOL bResult = FALSE;
DWORD dwReadSize = 0;
BOOL bInitResult = FALSE;
__MODULE_INIT initRoutine = (__MODULE_INIT)pModDesc->StartAddress; //Initialize routine.
strcpy(FullPathName,OS_ROOT_DIR); //Append the root directory before module's file name.
strcat(FullPathName,pModDesc->ModFileName);
ToCapital(FullPathName);
//Now try to open the module.
hFile = CreateFile(FullPathName,
FILE_ACCESS_READ,
0,
NULL);
if(NULL == hFile) //Can not open the file.
{
sprintf(Msg,"Can not open the module named %s.",FullPathName);
PrintLine(Msg);
goto __TERMINAL;
}
//Now try to read the module file into memory,each for 8K byte.
do{
if(!ReadFile(hFile,
8192,
pStartAddr,
&dwReadSize)) //Failed to read.
{
sprintf(Msg,"Can not read from module file %s.",FullPathName);
PrintLine(Msg);
goto __TERMINAL;
}
pStartAddr += 8192; //Move to next 8k block.
}while(dwReadSize == 8192);
//Try to initialize the module.
if(pModDesc->dwModAttribute & MOD_ATTR_BIN) //BIN file.
{
bInitResult = initRoutine();
if(bInitResult)
{
sprintf(Msg,"Initialize module %s at 0x%X successful.",FullPathName,pModDesc->StartAddress);
PrintLine(Msg);
}
else
{
sprintf(Msg,"Initialize module %s at 0x%X failed.",FullPathName,pModDesc->StartAddress);
PrintLine(Msg);
}
}
if(pModDesc->dwModAttribute & MOD_ATTR_EXE) //Will be implemented later.
{
}
if(pModDesc->dwModAttribute & MOD_ATTR_EXE) //Will be implemented later.
{
}
sprintf(Msg,"Load module %s at 0x%X successful.",FullPathName,pModDesc->StartAddress);
PrintLine(Msg);
bResult = TRUE;
__TERMINAL:
if(NULL != hFile) //Should close it.
{
CloseFile(hFile);
}
return bResult;
}
static DWORD copy(__CMD_PARA_OBJ* pCmdObj)
{
#ifdef __CFG_SYS_DDF
HANDLE hSourceFile = NULL;
HANDLE hDestinationFile = NULL;
char* pBuffer = NULL;
DWORD dwReadSize = 0;
DWORD dwWriteSize = 0;
DWORD dwTotalRead = 0;
char srcFullName[MAX_FILE_NAME_LEN];
char dstFullName[MAX_FILE_NAME_LEN];
DWORD dwFileSize = 0;
DWORD dwBatSize = 0;
if (pCmdObj->byParameterNum < 3)
{
_hx_printf("Please specify the source and destination file name.\r\n");
goto __TERMINAL;
}
/* Construct source file's full name. */
if (IsRelative(pCmdObj->Parameter[1]))
{
/* Append current directory into the relative file name. */
strcpy(srcFullName, FsGlobalData.CurrentDir);
strcat(srcFullName, pCmdObj->Parameter[1]);
}
else
{
strcpy(srcFullName, pCmdObj->Parameter[1]);
}
ToCapital(srcFullName);
/* Construct destination file's full name. */
if (IsRelative(pCmdObj->Parameter[2]))
{
/* Append current directory into the relative file name. */
strcpy(dstFullName, FsGlobalData.CurrentDir);
strcat(dstFullName, pCmdObj->Parameter[2]);
}
else
{
strcpy(dstFullName, pCmdObj->Parameter[2]);
}
ToCapital(dstFullName);
/* Can not copy one file to itself. */
if (0 == strcmp(srcFullName, dstFullName))
{
_hx_printf("Can not copy a file to it's self.\r\n");
goto __TERMINAL;
}
/* Try to open the source file. */
hSourceFile = IOManager.CreateFile((__COMMON_OBJECT*)&IOManager,
srcFullName,
FILE_ACCESS_READ,
0,
NULL);
if (NULL == hSourceFile)
{
_hx_printf("Can not open the source file[%s].\r\n",
srcFullName);
goto __TERMINAL;
}
/* Try to open or create the destination file name. */
hDestinationFile = IOManager.CreateFile((__COMMON_OBJECT*)&IOManager,
dstFullName,
FILE_OPEN_ALWAYS,
0,
NULL);
if (NULL == hDestinationFile)
{
_hx_printf("Can not open the target file[%s].\r\n",
dstFullName);
goto __TERMINAL;
}
/* Get the source file's size. */
dwFileSize = GetFileSize(hSourceFile, NULL);
dwBatSize = dwFileSize / 20;
/* Allocate a buffer to hold the file's data. */
#define __TMP_FILE_BUFFSZ (64 * 1024)
pBuffer = (char*)_hx_malloc(__TMP_FILE_BUFFSZ);
if (NULL == pBuffer)
{
_hx_printf("Failed to allocate data buffer.\r\n");
goto __TERMINAL;
}
/* Copy data now. */
do {
/* Read the source file. */
if (!IOManager.ReadFile((__COMMON_OBJECT*)&IOManager,
hSourceFile,
__TMP_FILE_BUFFSZ,
pBuffer,
&dwReadSize))
{
_hx_printf("Can not read the source file.\r\n");
goto __TERMINAL;
}
/* Write the data block into destination file. */
if (!IOManager.WriteFile((__COMMON_OBJECT*)&IOManager,
hDestinationFile,
dwReadSize,
pBuffer,
&dwWriteSize))
{
_hx_printf("Failed to write data into target file.\r\n");
goto __TERMINAL;
}
dwTotalRead += dwReadSize;
/* Show out copying progress. */
if (dwBatSize < dwReadSize)
{
_hx_printf(".");
dwBatSize = dwFileSize / 20;
}
else
{
dwBatSize -= dwReadSize;
}
} while (dwReadSize == __TMP_FILE_BUFFSZ);
#undef __TMP_FILE_BUFFSZ
_hx_printf("\r\n");
_hx_printf("[copy]: %d byte(s) copied.\r\n", dwTotalRead);
__TERMINAL:
if (NULL != hSourceFile)
{
IOManager.CloseFile((__COMMON_OBJECT*)&IOManager,
hSourceFile);
}
if (NULL != hDestinationFile)
{
IOManager.CloseFile((__COMMON_OBJECT*)&IOManager,
hDestinationFile);
}
if (NULL != pBuffer)
{
_hx_free(pBuffer);
}
return SHELL_CMD_PARSER_SUCCESS;;
#else
return FS_CMD_FAILED;
#endif
}
static DWORD type(__CMD_PARA_OBJ* pCmdObj)
{
#ifdef __CFG_SYS_DDF
HANDLE hFile = NULL;
CHAR Buffer[128];
DWORD dwReadSize = 0;
DWORD dwTotalRead = 0;
DWORD i;
CHAR FullName[MAX_FILE_NAME_LEN];
WORD ch = 0x0700;
if(pCmdObj->byParameterNum < 2)
{
PrintLine(" Please specify the file name to be displayed.");
goto __TERMINAL;
}
strcpy(FullName,FsGlobalData.CurrentDir);
strcat(FullName,pCmdObj->Parameter[1]);
ToCapital(FullName);
//Try to open the target file.
hFile = IOManager.CreateFile((__COMMON_OBJECT*)&IOManager,
FullName,
FILE_ACCESS_READ,
0,
NULL);
if(NULL == hFile)
{
PrintLine(" Please specify a valid and present file name.");
goto __TERMINAL;
}
//Try to read the target file and display it.
GotoHome();
ChangeLine();
do{
if(!IOManager.ReadFile((__COMMON_OBJECT*)&IOManager,
hFile,
128,
Buffer,
&dwReadSize))
{
PrintLine(" Can not read the target file.");
goto __TERMINAL;
}
for(i = 0;i < dwReadSize;i ++)
{
if('\r' == Buffer[i])
{
GotoHome();
continue;
}
if('\n' == Buffer[i])
{
ChangeLine();
continue;
}
ch += Buffer[i];
PrintCh(ch);
ch = 0x0700;
}
dwTotalRead += dwReadSize;
}while(dwReadSize == 128);
GotoHome();
ChangeLine();
_hx_sprintf(Buffer,"%d byte(s) read.",dwTotalRead);
PrintLine(Buffer);
__TERMINAL:
if(NULL != hFile)
{
IOManager.CloseFile((__COMMON_OBJECT*)&IOManager,
hFile);
}
return SHELL_CMD_PARSER_SUCCESS;;
#else
return FS_CMD_FAILED;
#endif
}