SdFile.cpp

changeset 0
2c8ba1964db7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/SdFile.cpp	Sat Nov 07 13:23:07 2015 +0100
@@ -0,0 +1,92 @@
+/* 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
\ No newline at end of file

mercurial