Bernhard Kubicek
13 years ago
5 changed files with 154 additions and 474 deletions
@ -1,329 +0,0 @@ |
|||||
/* Arduino SdFat Library
|
|
||||
* Copyright (C) 2009 by William Greiman |
|
||||
* |
|
||||
* This file is part of the Arduino SdFat Library |
|
||||
* |
|
||||
* This Library is free software: you can redistribute it and/or modify |
|
||||
* it under the terms of the GNU General Public License as published by |
|
||||
* the Free Software Foundation, either version 3 of the License, or |
|
||||
* (at your option) any later version. |
|
||||
* |
|
||||
* This Library is distributed in the hope that it will be useful, |
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
||||
* GNU General Public License for more details. |
|
||||
* |
|
||||
* You should have received a copy of the GNU General Public License |
|
||||
* along with the Arduino SdFat Library. If not, see |
|
||||
* <http://www.gnu.org/licenses/>.
|
|
||||
*/ |
|
||||
#include "SdFat.h" |
|
||||
#include "SdFatUtil.h" |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/** Change a volume's working directory to root
|
|
||||
* |
|
||||
* Changes the volume's working directory to the SD's root directory. |
|
||||
* Optionally set the current working directory to the volume's |
|
||||
* working directory. |
|
||||
* |
|
||||
* \param[in] set_cwd Set the current working directory to this volume's |
|
||||
* working directory if true. |
|
||||
* |
|
||||
* \return The value one, true, is returned for success and |
|
||||
* the value zero, false, is returned for failure. |
|
||||
*/ |
|
||||
bool SdFat::chdir(bool set_cwd) { |
|
||||
if (set_cwd) SdBaseFile::cwd_ = &vwd_; |
|
||||
vwd_.close(); |
|
||||
return vwd_.openRoot(&vol_); |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/** Change a volume's working directory
|
|
||||
* |
|
||||
* Changes the volume working directory to the \a path subdirectory. |
|
||||
* Optionally set the current working directory to the volume's |
|
||||
* working directory. |
|
||||
* |
|
||||
* Example: If the volume's working directory is "/DIR", chdir("SUB") |
|
||||
* will change the volume's working directory from "/DIR" to "/DIR/SUB". |
|
||||
* |
|
||||
* If path is "/", the volume's working directory will be changed to the |
|
||||
* root directory |
|
||||
* |
|
||||
* \param[in] path The name of the subdirectory. |
|
||||
* |
|
||||
* \param[in] set_cwd Set the current working directory to this volume's |
|
||||
* working directory if true. |
|
||||
* |
|
||||
* \return The value one, true, is returned for success and |
|
||||
* the value zero, false, is returned for failure. |
|
||||
*/ |
|
||||
bool SdFat::chdir(const char *path, bool set_cwd) { |
|
||||
SdBaseFile dir; |
|
||||
if (path[0] == '/' && path[1] == '\0') return chdir(set_cwd); |
|
||||
if (!dir.open(&vwd_, path, O_READ)) goto fail; |
|
||||
if (!dir.isDir()) goto fail; |
|
||||
vwd_ = dir; |
|
||||
if (set_cwd) SdBaseFile::cwd_ = &vwd_; |
|
||||
return true; |
|
||||
|
|
||||
fail: |
|
||||
return false; |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/** Set the current working directory to a volume's working directory.
|
|
||||
* |
|
||||
* This is useful with multiple SD cards. |
|
||||
* |
|
||||
* The current working directory is changed to this volume's working directory. |
|
||||
* |
|
||||
* This is like the Windows/DOS \<drive letter>: command. |
|
||||
*/ |
|
||||
void SdFat::chvol() { |
|
||||
SdBaseFile::cwd_ = &vwd_; |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/** %Print any SD error code and halt. */ |
|
||||
void SdFat::errorHalt() { |
|
||||
errorPrint(); |
|
||||
while (1); |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/** %Print msg, any SD error code, and halt.
|
|
||||
* |
|
||||
* \param[in] msg Message to print. |
|
||||
*/ |
|
||||
void SdFat::errorHalt(char const* msg) { |
|
||||
errorPrint(msg); |
|
||||
while (1); |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/** %Print msg, any SD error code, and halt.
|
|
||||
* |
|
||||
* \param[in] msg Message in program space (flash memory) to print. |
|
||||
*/ |
|
||||
void SdFat::errorHalt_P(PGM_P msg) { |
|
||||
errorPrint_P(msg); |
|
||||
while (1); |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/** %Print any SD error code. */ |
|
||||
void SdFat::errorPrint() { |
|
||||
if (!card_.errorCode()) return; |
|
||||
PgmPrint("SD errorCode: 0X"); |
|
||||
Serial.println(card_.errorCode(), HEX); |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/** %Print msg, any SD error code.
|
|
||||
* |
|
||||
* \param[in] msg Message to print. |
|
||||
*/ |
|
||||
void SdFat::errorPrint(char const* msg) { |
|
||||
PgmPrint("error: "); |
|
||||
Serial.println(msg); |
|
||||
errorPrint(); |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/** %Print msg, any SD error code.
|
|
||||
* |
|
||||
* \param[in] msg Message in program space (flash memory) to print. |
|
||||
*/ |
|
||||
void SdFat::errorPrint_P(PGM_P msg) { |
|
||||
PgmPrint("error: "); |
|
||||
SerialPrintln_P(msg); |
|
||||
errorPrint(); |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/**
|
|
||||
* Test for the existence of a file. |
|
||||
* |
|
||||
* \param[in] name Name of the file to be tested for. |
|
||||
* |
|
||||
* \return true if the file exists else false. |
|
||||
*/ |
|
||||
bool SdFat::exists(const char* name) { |
|
||||
return vwd_.exists(name); |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/**
|
|
||||
* Initialize an SdFat object. |
|
||||
* |
|
||||
* Initializes the SD card, SD volume, and root directory. |
|
||||
* |
|
||||
* \param[in] sckRateID value for SPI SCK rate. See Sd2Card::init(). |
|
||||
* \param[in] chipSelectPin SD chip select pin. See Sd2Card::init(). |
|
||||
* |
|
||||
* \return The value one, true, is returned for success and |
|
||||
* the value zero, false, is returned for failure. |
|
||||
*/ |
|
||||
bool SdFat::init(uint8_t sckRateID, uint8_t chipSelectPin) { |
|
||||
return card_.init(sckRateID, chipSelectPin) && vol_.init(&card_) && chdir(1); |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/** %Print error details and halt after SdFat::init() fails. */ |
|
||||
void SdFat::initErrorHalt() { |
|
||||
initErrorPrint(); |
|
||||
while (1); |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/**Print message, error details, and halt after SdFat::init() fails.
|
|
||||
* |
|
||||
* \param[in] msg Message to print. |
|
||||
*/ |
|
||||
void SdFat::initErrorHalt(char const *msg) { |
|
||||
Serial.println(msg); |
|
||||
initErrorHalt(); |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/**Print message, error details, and halt after SdFat::init() fails.
|
|
||||
* |
|
||||
* \param[in] msg Message in program space (flash memory) to print. |
|
||||
*/ |
|
||||
void SdFat::initErrorHalt_P(PGM_P msg) { |
|
||||
SerialPrintln_P(msg); |
|
||||
initErrorHalt(); |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/** Print error details after SdFat::init() fails. */ |
|
||||
void SdFat::initErrorPrint() { |
|
||||
if (card_.errorCode()) { |
|
||||
PgmPrintln("Can't access SD card. Do not reformat."); |
|
||||
if (card_.errorCode() == SD_CARD_ERROR_CMD0) { |
|
||||
PgmPrintln("No card, wrong chip select pin, or SPI problem?"); |
|
||||
} |
|
||||
errorPrint(); |
|
||||
} else if (vol_.fatType() == 0) { |
|
||||
PgmPrintln("Invalid format, reformat SD."); |
|
||||
} else if (!vwd_.isOpen()) { |
|
||||
PgmPrintln("Can't open root directory."); |
|
||||
} else { |
|
||||
PgmPrintln("No error found."); |
|
||||
} |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/**Print message and error details and halt after SdFat::init() fails.
|
|
||||
* |
|
||||
* \param[in] msg Message to print. |
|
||||
*/ |
|
||||
void SdFat::initErrorPrint(char const *msg) { |
|
||||
Serial.println(msg); |
|
||||
initErrorPrint(); |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/**Print message and error details after SdFat::init() fails.
|
|
||||
* |
|
||||
* \param[in] msg Message in program space (flash memory) to print. |
|
||||
*/ |
|
||||
void SdFat::initErrorPrint_P(PGM_P msg) { |
|
||||
SerialPrintln_P(msg); |
|
||||
initErrorHalt(); |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/** List the directory contents of the volume working directory to Serial.
|
|
||||
* |
|
||||
* \param[in] flags The inclusive OR of |
|
||||
* |
|
||||
* LS_DATE - %Print file modification date |
|
||||
* |
|
||||
* LS_SIZE - %Print file size. |
|
||||
* |
|
||||
* LS_R - Recursive list of subdirectories. |
|
||||
*/ |
|
||||
void SdFat::ls(uint8_t flags) { |
|
||||
vwd_.ls(&Serial, flags); |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/** List the directory contents of the volume working directory to Serial.
|
|
||||
* |
|
||||
* \param[in] pr Print stream for list. |
|
||||
* |
|
||||
* \param[in] flags The inclusive OR of |
|
||||
* |
|
||||
* LS_DATE - %Print file modification date |
|
||||
* |
|
||||
* LS_SIZE - %Print file size. |
|
||||
* |
|
||||
* LS_R - Recursive list of subdirectories. |
|
||||
*/ |
|
||||
void SdFat::ls(Print* pr, uint8_t flags) { |
|
||||
vwd_.ls(pr, flags); |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/** Make a subdirectory in the volume working directory.
|
|
||||
* |
|
||||
* \param[in] path A path with a valid 8.3 DOS name for the subdirectory. |
|
||||
* |
|
||||
* \param[in] pFlag Create missing parent directories if true. |
|
||||
* |
|
||||
* \return The value one, true, is returned for success and |
|
||||
* the value zero, false, is returned for failure. |
|
||||
*/ |
|
||||
bool SdFat::mkdir(const char* path, bool pFlag) { |
|
||||
SdBaseFile sub; |
|
||||
return sub.mkdir(&vwd_, path, pFlag); |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/** Remove a file from the volume working directory.
|
|
||||
* |
|
||||
* \param[in] path A path with a valid 8.3 DOS name for the file. |
|
||||
* |
|
||||
* \return The value one, true, is returned for success and |
|
||||
* the value zero, false, is returned for failure. |
|
||||
*/ |
|
||||
bool SdFat::remove(const char* path) { |
|
||||
return SdBaseFile::remove(&vwd_, path); |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/** Rename a file or subdirectory.
|
|
||||
* |
|
||||
* \param[in] oldPath Path name to the file or subdirectory to be renamed. |
|
||||
* |
|
||||
* \param[in] newPath New path name of the file or subdirectory. |
|
||||
* |
|
||||
* The \a 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. |
|
||||
* |
|
||||
* \return The value one, true, is returned for success and |
|
||||
* the value zero, false, is returned for failure. |
|
||||
*/ |
|
||||
bool SdFat::rename(const char *oldPath, const char *newPath) { |
|
||||
SdBaseFile file; |
|
||||
if (!file.open(oldPath, O_READ)) return false; |
|
||||
return file.rename(&vwd_, newPath); |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/** Remove a subdirectory from the volume's working directory.
|
|
||||
* |
|
||||
* \param[in] path A path with a valid 8.3 DOS name for the subdirectory. |
|
||||
* |
|
||||
* The subdirectory file will be removed only if it is empty. |
|
||||
* |
|
||||
* \return The value one, true, is returned for success and |
|
||||
* the value zero, false, is returned for failure. |
|
||||
*/ |
|
||||
bool SdFat::rmdir(const char* path) { |
|
||||
SdBaseFile sub; |
|
||||
if (!sub.open(path, O_READ)) return false; |
|
||||
return sub.rmdir(); |
|
||||
} |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/** Truncate a file to a specified length. The current file position
|
|
||||
* will be maintained if it is less than or equal to \a length otherwise |
|
||||
* it will be set to end of file. |
|
||||
* |
|
||||
* \param[in] path A path with a valid 8.3 DOS name for the file. |
|
||||
* \param[in] length The desired length for the file. |
|
||||
* |
|
||||
* \return The value one, true, is returned for success and |
|
||||
* the value zero, false, is returned for failure. |
|
||||
* Reasons for failure include file is read only, file is a directory, |
|
||||
* \a length is greater than the current file size or an I/O error occurs. |
|
||||
*/ |
|
||||
bool SdFat::truncate(const char* path, uint32_t length) { |
|
||||
SdBaseFile file; |
|
||||
if (!file.open(path, O_WRITE)) return false; |
|
||||
return file.truncate(length); |
|
||||
} |
|
@ -1,76 +0,0 @@ |
|||||
/* Arduino SdFat Library
|
|
||||
* Copyright (C) 2009 by William Greiman |
|
||||
* |
|
||||
* This file is part of the Arduino SdFat Library |
|
||||
* |
|
||||
* This Library is free software: you can redistribute it and/or modify |
|
||||
* it under the terms of the GNU General Public License as published by |
|
||||
* the Free Software Foundation, either version 3 of the License, or |
|
||||
* (at your option) any later version. |
|
||||
* |
|
||||
* This Library is distributed in the hope that it will be useful, |
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
||||
* GNU General Public License for more details. |
|
||||
* |
|
||||
* You should have received a copy of the GNU General Public License |
|
||||
* along with the Arduino SdFat Library. If not, see |
|
||||
* <http://www.gnu.org/licenses/>.
|
|
||||
*/ |
|
||||
#ifndef SdFat_h |
|
||||
#define SdFat_h |
|
||||
/**
|
|
||||
* \file |
|
||||
* \brief SdFat class |
|
||||
*/ |
|
||||
#include "SdFile.h" |
|
||||
//#include <SdStream.h>
|
|
||||
//#include <ArduinoStream.h>
|
|
||||
//------------------------------------------------------------------------------
|
|
||||
/** SdFat version YYYYMMDD */ |
|
||||
#define SD_FAT_VERSION 20110902 |
|
||||
//------------------------------------------------------------------------------
|
|
||||
/**
|
|
||||
* \class SdFat |
|
||||
* \brief Integration class for the %SdFat library. |
|
||||
*/ |
|
||||
class SdFat { |
|
||||
public: |
|
||||
SdFat() {} |
|
||||
/** \return a pointer to the Sd2Card object. */ |
|
||||
Sd2Card* card() {return &card_;} |
|
||||
bool chdir(bool set_cwd = false); |
|
||||
bool chdir(const char* path, bool set_cwd = false); |
|
||||
void chvol(); |
|
||||
void errorHalt(); |
|
||||
void errorHalt_P(PGM_P msg); |
|
||||
void errorHalt(char const *msg); |
|
||||
void errorPrint(); |
|
||||
void errorPrint_P(PGM_P msg); |
|
||||
void errorPrint(char const *msg); |
|
||||
bool exists(const char* name); |
|
||||
bool init(uint8_t sckRateID = SPI_FULL_SPEED, |
|
||||
uint8_t chipSelectPin = SD_CHIP_SELECT_PIN); |
|
||||
void initErrorHalt(); |
|
||||
void initErrorHalt(char const *msg); |
|
||||
void initErrorHalt_P(PGM_P msg); |
|
||||
void initErrorPrint(); |
|
||||
void initErrorPrint(char const *msg); |
|
||||
void initErrorPrint_P(PGM_P msg); |
|
||||
void ls(uint8_t flags = 0); |
|
||||
void ls(Print* pr, uint8_t flags = 0); |
|
||||
bool mkdir(const char* path, bool pFlag = true); |
|
||||
bool remove(const char* path); |
|
||||
bool rename(const char *oldPath, const char *newPath); |
|
||||
bool rmdir(const char* path); |
|
||||
bool truncate(const char* path, uint32_t length); |
|
||||
/** \return a pointer to the SdVolume object. */ |
|
||||
SdVolume* vol() {return &vol_;} |
|
||||
/** \return a pointer to the volume working directory. */ |
|
||||
SdBaseFile* vwd() {return &vwd_;} |
|
||||
private: |
|
||||
Sd2Card card_; |
|
||||
SdVolume vol_; |
|
||||
SdBaseFile vwd_; |
|
||||
}; |
|
||||
#endif // SdFat_h
|
|
Loading…
Reference in new issue