1 files changed, 96 insertions, 0 deletions
diff --git a/libraries/Bridge/FileIO.h b/libraries/Bridge/FileIO.h
new file mode 100644
index 0000000..a90ff46
--- /dev/null
+++ b/libraries/Bridge/FileIO.h
@@ -0,0 +1,96 @@
+/*
+  Copyright (c) 2013 Arduino LLC. All right reserved.
+
+  This library is free software; you can redistribute it and/or
+  modify it under the terms of the GNU Lesser General Public
+  License as published by the Free Software Foundation; either
+  version 2.1 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
+  Lesser General Public License for more details.
+
+  You should have received a copy of the GNU Lesser General Public
+  License along with this library; if not, write to the Free Software
+  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+#ifndef __SD_H__
+#define __SD_H__
+
+#include <Process.h>
+
+//#define FILE_READ O_READ
+//#define FILE_WRITE (O_READ | O_WRITE | O_CREAT)
+
+#define FILE_READ 0
+#define FILE_WRITE 1
+
+class File : public Process {
+ 
+public:
+  File();
+  File(const char *_filename, uint8_t _mode);
+  ~File();
+  
+  virtual size_t write(uint8_t);
+  virtual size_t write(const uint8_t *buf, size_t size);
+  virtual int read();
+  virtual int peek();
+  virtual int available();
+  virtual void flush();
+  int read(void *buf, uint16_t nbyte);
+  boolean seek(uint32_t pos);
+  uint32_t position();
+  uint32_t size();
+  void close();
+  operator bool();
+  char * name();
+
+  boolean isDirectory(void);
+  //File openNextFile(uint8_t mode = O_RDONLY);
+  void rewindDirectory(void);
+  
+  using Print::write;
+  
+private:
+  char *filename;
+  uint8_t mode;
+};
+
+class SDClass {
+public:
+  SDClass() : bridge(Bridge) { }
+  SDClass(BridgeClass &_b) : bridge(_b) { }
+  
+  // This needs to be called to set up the connection to the SD card
+  // before other methods are used.
+  boolean begin();
+  
+  // Open the specified file/directory with the supplied mode (e.g. read or
+  // write, etc). Returns a File object for interacting with the file.
+  // Note that currently only one file can be open at a time.
+  File open(const char *filename, uint8_t mode = FILE_READ);
+
+  // Methods to determine if the requested file path exists.
+  boolean exists(const char *filepath);
+
+  // Create the requested directory heirarchy--if intermediate directories
+  // do not exist they will be created.
+  boolean mkdir(const char *filepath);
+  
+  // Delete the file.
+  boolean remove(const char *filepath);
+  
+  boolean rmdir(const char *filepath);
+
+private:
+  friend class File;
+  
+  BridgeClass &bridge;
+};
+
+extern SDClass SD;
+
+#endif