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/* 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 "Marlin.h"
#ifdef SDSUPPORT
#include "SdFile.h"
/** Create a file object and open it in the current working directory.
*
* \param[in] path A path with a valid 8.3 DOS name for a file to be opened.
*
* \param[in] oflag Values for \a oflag are constructed by a bitwise-inclusive
* OR of open flags. see SdBaseFile::open(SdBaseFile*, const char*, uint8_t).
*/
SdFile::SdFile(const char* path, uint8_t oflag) : SdBaseFile(path, oflag) {
}
//------------------------------------------------------------------------------
/** Write data to an open file.
*
* \note Data is moved to the cache but may not be written to the
* storage device until sync() is called.
*
* \param[in] buf Pointer to the location of the data to be written.
*
* \param[in] nbyte Number of bytes to write.
*
* \return For success write() returns the number of bytes written, always
* \a nbyte. If an error occurs, write() returns -1. Possible errors
* include write() is called before a file has been opened, write is called
* for a read-only file, device is full, a corrupt file system or an I/O error.
*
*/
int16_t SdFile::write(const void* buf, uint16_t nbyte) {
return SdBaseFile::write(buf, nbyte);
}
//------------------------------------------------------------------------------
/** Write a byte to a file. Required by the Arduino Print class.
* \param[in] b the byte to be written.
* Use writeError to check for errors.
*/
#if ARDUINO >= 100
size_t SdFile::write(uint8_t b)
#else
void SdFile::write(uint8_t b)
#endif
{
SdBaseFile::write(&b, 1);
}
//------------------------------------------------------------------------------
/** Write a string to a file. Used by the Arduino Print class.
* \param[in] str Pointer to the string.
* Use writeError to check for errors.
*/
void SdFile::write(const char* str) {
SdBaseFile::write(str, strlen(str));
}
//------------------------------------------------------------------------------
/** Write a PROGMEM string to a file.
* \param[in] str Pointer to the PROGMEM string.
* Use writeError to check for errors.
*/
void SdFile::write_P(PGM_P str) {
for (uint8_t c; (c = pgm_read_byte(str)); str++) write(c);
}
//------------------------------------------------------------------------------
/** Write a PROGMEM string followed by CR/LF to a file.
* \param[in] str Pointer to the PROGMEM string.
* Use writeError to check for errors.
*/
void SdFile::writeln_P(PGM_P str) {
write_P(str);
write_P(PSTR("\r\n"));
}
#endif
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