Marlin_Firmware/Marlin/src/sd/SdFile.cpp

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/**
* Marlin 3D Printer Firmware
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* Copyright (C) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program 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 program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
/**
* Arduino SdFat Library
* Copyright (C) 2009 by William Greiman
*
* This file is part of the Arduino Sd2Card Library
*/
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#include "../inc/MarlinConfig.h"
#if ENABLED(SDSUPPORT)
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#include "SdFile.h"
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/**
* 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).
*/
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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.
*
*/
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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
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size_t SdFile::write(uint8_t b) { return SdBaseFile::write(&b, 1); }
#else
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void SdFile::write(uint8_t b) { SdBaseFile::write(&b, 1); }
#endif
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/**
* 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.
*/
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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);
}
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/**
* 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"));
}
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#endif // SDSUPPORT