SdFs
Public Member Functions | Static Public Member Functions | List of all members
SdFs Class Reference

SD file system class for FAT16, FAT32, and exFAT volumes. More...

#include <SdFs.h>

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Public Member Functions

bool begin (BlockDevice *blockDev)
 
bool begin (uint8_t csPin=SS)
 
bool begin (uint8_t csPin, SPISettings spiSettings)
 
bool begin (SdSpiConfig spiConfig)
 
bool begin (SdioConfig sdioConfig)
 
SdCardcard ()
 
bool cardBegin (SdSpiConfig spiConfig)
 
bool cardBegin (SdioConfig sdioConfig)
 
bool chdir ()
 
bool chdir (const char *path)
 
void chvol ()
 
uint32_t clusterCount ()
 
uint32_t dataStartSector () const
 
void end ()
 
void errorHalt (Print *pr)
 
void errorHalt ()
 
void errorHalt (Print *pr, const char *msg)
 
void errorHalt (Print *pr, const __FlashStringHelper *msg)
 
void errorHalt (const __FlashStringHelper *msg)
 
void errorHalt (const char *msg)
 
bool exists (const char *path)
 
bool exists (const String &path)
 
uint32_t fatStartSector () const
 
uint8_t fatType () const
 
uint32_t freeClusterCount ()
 
void initErrorHalt (Print *pr)
 
void initErrorHalt ()
 
void ls (print_t *pr)
 
void ls (print_t *pr, uint8_t flags)
 
void ls (print_t *pr, const char *path, uint8_t flags)
 
void ls ()
 
void ls (uint8_t flags)
 
void ls (const char *path, uint8_t flags=0)
 
bool mkdir (const char *path, bool pFlag=true)
 
bool mkdir (const String &path, bool pFlag=true)
 
FsFile open (const char *path, uint8_t oflag=O_READ)
 
FsFile open (const String &path, uint8_t oflag=O_READ)
 
void printFatType (Print *pr)
 
void printSdError (print_t *pr)
 
void printSdErrorCode (Print *pr)
 
bool remove (const char *path)
 
bool remove (const String &path)
 
bool rename (const char *oldPath, const char *newPath)
 
bool rmdir (const char *path)
 
bool rmdir (const String &path)
 
uint8_t sdErrorCode ()
 
uint8_t sdErrorData ()
 
uint32_t sectorsPerCluster () const
 
bool volumeBegin ()
 

Static Public Member Functions

static FsVolumecwv ()
 

Detailed Description

SD file system class for FAT16, FAT32, and exFAT volumes.

Member Function Documentation

bool FsVolume::begin ( BlockDevice blockDev)
inherited

Initialize an FatVolume object.

Parameters
[in]blockDevDevice block driver.
Returns
The value true is returned for success and the value false is returned for failure.
bool SdBase< FsVolume >::begin ( uint8_t  csPin = SS)
inlineinherited

Initialize SD card and file system.

Parameters
[in]csPinSD card chip select pin.
Returns
true for success else false.
bool SdBase< FsVolume >::begin ( uint8_t  csPin,
SPISettings  spiSettings 
)
inlineinherited

Initialize SD card and file system.

Parameters
[in]csPinSD card chip select pin.
[in]spiSettingsSPI speed, mode, and bit order.
Returns
true for success else false.
bool SdBase< FsVolume >::begin ( SdSpiConfig  spiConfig)
inlineinherited

Initialize SD card and file system for SPI mode.

Parameters
[in]spiConfigSPI configuration.
Returns
true for success else false.
bool SdBase< FsVolume >::begin ( SdioConfig  sdioConfig)
inlineinherited

Initialize SD card and file system for SDIO mode.

Parameters
[in]sdioConfigSDIO configuration.
Returns
true for success else false.
SdCard* SdBase< FsVolume >::card ( )
inlineinherited
Returns
Pointer to SD card object.
bool SdBase< FsVolume >::cardBegin ( SdSpiConfig  spiConfig)
inlineinherited

Initialize SD card in SPI mode.

Parameters
[in]spiConfigSPI configuration.
Returns
true for success else false.
bool SdBase< FsVolume >::cardBegin ( SdioConfig  sdioConfig)
inlineinherited

Initialize SD card in SDIO mode.

Parameters
[in]sdioConfigSDIO configuration.
Returns
true for success else false.
bool FsVolume::chdir ( )
inlineinherited

Set volume working directory to root.

Returns
true for success else false.
bool FsVolume::chdir ( const char *  path)
inlineinherited

Set volume working directory.

Parameters
[in]pathPath for volume working directory.
Returns
true for success or false for failure.
void FsVolume::chvol ( )
inlineinherited

Change global working volume to this volume.

uint32_t FsVolume::clusterCount ( )
inlineinherited
Returns
The total number of clusters in the volume.
static FsVolume* FsVolume::cwv ( )
inlinestaticinherited
Returns
current working volume.
uint32_t FsVolume::dataStartSector ( ) const
inlineinherited
Returns
The logical sector number for the start of file data.
void FsVolume::end ( )
inlineinherited

free dynamic memory and end access to volume

void SdBase< FsVolume >::errorHalt ( Print *  pr)
inlineinherited

Print error info and halt.

Parameters
[in]prPrint destination.
void SdBase< FsVolume >::errorHalt ( )
inlineinherited

Print error info to Serial and halt.

void SdBase< FsVolume >::errorHalt ( Print *  pr,
const char *  msg 
)
inlineinherited

Print error info and halt.

Parameters
[in]prPrint destination.
[in]msgMessage to print.
void SdBase< FsVolume >::errorHalt ( Print *  pr,
const __FlashStringHelper *  msg 
)
inlineinherited

Print msg and halt.

Parameters
[in]prPrint destination.
[in]msgMessage to print.
void SdBase< FsVolume >::errorHalt ( const __FlashStringHelper *  msg)
inlineinherited

Print msg to Serial and halt.

Parameters
[in]msgMessage to print.
void SdBase< FsVolume >::errorHalt ( const char *  msg)
inlineinherited

Print error info and halt.

Parameters
[in]msgMessage to print.
bool FsVolume::exists ( const char *  path)
inlineinherited

Test for the existence of a file in a directory

Parameters
[in]pathPath of the file to be tested for.
Returns
true if the file exists else false.
bool FsVolume::exists ( const String &  path)
inlineinherited

Test for the existence of a file in a directory

Parameters
[in]pathPath of the file to be tested for.
Returns
true if the file exists else false.
uint32_t FsVolume::fatStartSector ( ) const
inlineinherited
Returns
The logical sector number for the start of the first FAT.
uint8_t FsVolume::fatType ( ) const
inlineinherited
Returns
Partition type, FAT_TYPE_EXFAT, FAT_TYPE_FAT32, FAT_TYPE_FAT16, or zero for error.
uint32_t FsVolume::freeClusterCount ( )
inlineinherited
Returns
the free cluster count.
void SdBase< FsVolume >::initErrorHalt ( Print *  pr)
inlineinherited

Print error info and halt.

Parameters
[in]prPrint destination.
void SdBase< FsVolume >::initErrorHalt ( )
inlineinherited

Print error info and halt.

void FsVolume::ls ( print_t *  pr)
inlineinherited

List directory contents.

Parameters
[in]prPrint object.
void FsVolume::ls ( print_t *  pr,
uint8_t  flags 
)
inlineinherited

List directory contents.

Parameters
[in]prPrint object.
[in]flagsThe inclusive OR of

LS_DATE - Print file modification date

LS_SIZE - Print file size.

LS_R - Recursive list of subdirectories.

void FsVolume::ls ( print_t *  pr,
const char *  path,
uint8_t  flags 
)
inherited

List the directory contents of a directory.

Parameters
[in]prPrint stream for list.
[in]pathdirectory to list.
[in]flagsThe inclusive OR of

LS_DATE - Print file modification date

LS_SIZE - Print file size.

LS_R - Recursive list of subdirectories.

void FsVolume::ls ( )
inlineinherited

List directory contents.

void FsVolume::ls ( uint8_t  flags)
inlineinherited

List directory contents.

Parameters
[in]flagsThe inclusive OR of

LS_DATE - Print file modification date

LS_SIZE - Print file size.

LS_R - Recursive list of subdirectories.

void FsVolume::ls ( const char *  path,
uint8_t  flags = 0 
)
inlineinherited

List the directory contents of a directory to Serial.

Parameters
[in]pathdirectory to list.
[in]flagsThe inclusive OR of

LS_DATE - Print file modification date

LS_SIZE - Print file size.

LS_R - Recursive list of subdirectories.

bool FsVolume::mkdir ( const char *  path,
bool  pFlag = true 
)
inlineinherited

Make a subdirectory in the volume root directory.

Parameters
[in]pathA path with a valid 8.3 DOS name for the subdirectory.
[in]pFlagCreate missing parent directories if true.
Returns
The value true is returned for success and the value false is returned for failure.
bool FsVolume::mkdir ( const String &  path,
bool  pFlag = true 
)
inlineinherited

Make a subdirectory in the volume root directory.

Parameters
[in]pathA path with a valid 8.3 DOS name for the subdirectory.
[in]pFlagCreate missing parent directories if true.
Returns
The value true is returned for success and the value false is returned for failure.
FsFile FsVolume::open ( const char *  path,
uint8_t  oflag = O_READ 
)
inherited

open a file

Parameters
[in]pathlocation of file to be opened.
[in]oflagopen mode flags.
Returns
a File object.
FsFile FsVolume::open ( const String &  path,
uint8_t  oflag = O_READ 
)
inherited

open a file

Parameters
[in]pathlocation of file to be opened.
[in]oflagopen mode flags.
Returns
a File object.
void SdBase< FsVolume >::printFatType ( Print *  pr)
inlineinherited

Print volume FAT/exFAT type.

Parameters
[in]prPrint destination.
void SdBase< FsVolume >::printSdError ( print_t *  pr)
inlineinherited

Print error info and return.

Parameters
[in]prPrint destination.
void SdBase< FsVolume >::printSdErrorCode ( Print *  pr)
inlineinherited

Print SD errorCode and errorData.

Parameters
[in]prPrint destination.
bool FsVolume::remove ( const char *  path)
inlineinherited

Remove a file from the volume root directory.

Parameters
[in]pathA path with a valid 8.3 DOS name for the file.
Returns
The value true is returned for success and the value false is returned for failure.
bool FsVolume::remove ( const String &  path)
inlineinherited

Remove a file from the volume root directory.

Parameters
[in]pathA path with a valid 8.3 DOS name for the file.
Returns
The value true is returned for success and the value false is returned for failure.
bool FsVolume::rename ( const char *  oldPath,
const char *  newPath 
)
inlineinherited

Rename a file or subdirectory.

Parameters
[in]oldPathPath name to the file or subdirectory to be renamed.
[in]newPathNew path name of the file or subdirectory.

The newPath object must not exist before the rename call.

The file to be renamed must not be open. The directory entry may be moved and file system corruption could occur if the file is accessed by a file object that was opened before the rename() call.

Returns
The value true is returned for success and the value false is returned for failure.
bool FsVolume::rmdir ( const char *  path)
inlineinherited

Remove a subdirectory from the volume's root directory.

Parameters
[in]pathA path with a valid 8.3 DOS name for the subdirectory.

The subdirectory file will be removed only if it is empty.

Returns
The value true is returned for success and the value false is returned for failure.
bool FsVolume::rmdir ( const String &  path)
inlineinherited

Remove a subdirectory from the volume's root directory.

Parameters
[in]pathA path with a valid 8.3 DOS name for the subdirectory.

The subdirectory file will be removed only if it is empty.

Returns
The value true is returned for success and the value false is returned for failure.
uint8_t SdBase< FsVolume >::sdErrorCode ( )
inlineinherited
Returns
SD card error code.
uint8_t SdBase< FsVolume >::sdErrorData ( )
inlineinherited
Returns
SD card error data.
uint32_t FsVolume::sectorsPerCluster ( ) const
inlineinherited
Returns
The volume's cluster size in sectors.
bool SdBase< FsVolume >::volumeBegin ( )
inlineinherited

Initialize file system after call to cardBegin.

Returns
true for success else false.

The documentation for this class was generated from the following file: