mirror of
https://github.com/MarlinFirmware/Marlin.git
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96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
/* Arduino SdFat Library
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* Copyright (C) 2009 by William Greiman
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*
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* This file is part of the Arduino SdFat Library
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*
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* This Library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This Library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with the Arduino SdFat Library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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#include "Marlin.h"
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#ifdef SDSUPPORT
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#include "SdFile.h"
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/** Create a file object and open it in the current working directory.
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*
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* \param[in] path A path with a valid 8.3 DOS name for a file to be opened.
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*
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* \param[in] oflag Values for \a oflag are constructed by a bitwise-inclusive
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* OR of open flags. see SdBaseFile::open(SdBaseFile*, const char*, uint8_t).
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*/
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SdFile::SdFile(const char* path, uint8_t oflag) : SdBaseFile(path, oflag) {
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}
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//------------------------------------------------------------------------------
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/** Write data to an open file.
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*
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* \note Data is moved to the cache but may not be written to the
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* storage device until sync() is called.
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*
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* \param[in] buf Pointer to the location of the data to be written.
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*
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* \param[in] nbyte Number of bytes to write.
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*
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* \return For success write() returns the number of bytes written, always
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* \a nbyte. If an error occurs, write() returns -1. Possible errors
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* include write() is called before a file has been opened, write is called
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* for a read-only file, device is full, a corrupt file system or an I/O error.
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*
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*/
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int16_t SdFile::write(const void* buf, uint16_t nbyte) {
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return SdBaseFile::write(buf, nbyte);
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}
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//------------------------------------------------------------------------------
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/** Write a byte to a file. Required by the Arduino Print class.
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* \param[in] b the byte to be written.
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* Use writeError to check for errors.
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*/
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#if ARDUINO >= 100
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size_t SdFile::write(uint8_t b)
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{
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return SdBaseFile::write(&b, 1);
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}
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#else
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void SdFile::write(uint8_t b)
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{
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SdBaseFile::write(&b, 1);
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}
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#endif
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//------------------------------------------------------------------------------
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/** Write a string to a file. Used by the Arduino Print class.
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* \param[in] str Pointer to the string.
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* Use writeError to check for errors.
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*/
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void SdFile::write(const char* str) {
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SdBaseFile::write(str, strlen(str));
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}
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//------------------------------------------------------------------------------
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/** Write a PROGMEM string to a file.
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* \param[in] str Pointer to the PROGMEM string.
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* Use writeError to check for errors.
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*/
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void SdFile::write_P(PGM_P str) {
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for (uint8_t c; (c = pgm_read_byte(str)); str++) write(c);
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}
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//------------------------------------------------------------------------------
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/** Write a PROGMEM string followed by CR/LF to a file.
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* \param[in] str Pointer to the PROGMEM string.
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* Use writeError to check for errors.
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*/
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void SdFile::writeln_P(PGM_P str) {
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write_P(str);
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write_P(PSTR("\r\n"));
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}
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#endif
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