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Diffstat (limited to 'Marlin/src/sd/SdFile.cpp')
-rw-r--r-- | Marlin/src/sd/SdFile.cpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/Marlin/src/sd/SdFile.cpp b/Marlin/src/sd/SdFile.cpp new file mode 100644 index 0000000..cba67e2 --- /dev/null +++ b/Marlin/src/sd/SdFile.cpp @@ -0,0 +1,102 @@ +/** + * Marlin 3D Printer Firmware + * Copyright (c) 2020 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 <https://www.gnu.org/licenses/>. + * + */ + +/** + * sd/SdFile.cpp + * + * Arduino SdFat Library + * Copyright (c) 2009 by William Greiman + * + * This file is part of the Arduino Sd2Card Library + */ + +#include "../inc/MarlinConfig.h" + +#if ENABLED(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) { return SdBaseFile::write(&b, 1); } +#else + void SdFile::write(uint8_t b) { SdBaseFile::write(&b, 1); } +#endif + +/** + * 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 // SDSUPPORT |