added basic code

1 files changed, 195 insertions, 0 deletions

diff --git a/arduino/libraries/FileSystem/src/Bluefruit_FileIO.cpp b/arduino/libraries/FileSystem/src/Bluefruit_FileIO.cpp
new file mode 100755
index 0000000..189d305
--- /dev/null
+++ b/arduino/libraries/FileSystem/src/Bluefruit_FileIO.cpp
@@ -0,0 +1,195 @@
+/**************************************************************************/
+/*!
+    @file     Bluefruit_FileIO.cpp
+    @author   hathach (tinyusb.org)
+
+    @section LICENSE
+
+    Software License Agreement (BSD License)
+
+    Copyright (c) 2018, Adafruit Industries (adafruit.com)
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+    1. Redistributions of source code must retain the above copyright
+    notice, this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright
+    notice, this list of conditions and the following disclaimer in the
+    documentation and/or other materials provided with the distribution.
+    3. Neither the name of the copyright holders nor the
+    names of its contributors may be used to endorse or promote products
+    derived from this software without specific prior written permission.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
+    EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
+    DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+/**************************************************************************/
+
+#include <Arduino.h>
+#include "Bluefruit_FileIO.h"
+
+namespace BluefruitFS
+{
+
+File::File (FileSystemClass &fs)
+{
+  _fs = &fs;
+  _hdl = NULL;
+  _path = NULL;
+  _is_dir = false;
+}
+
+File::File (char const *filename, uint8_t mode, FileSystemClass &fs)
+{
+  _fs = &fs;
+  _hdl = NULL;
+  _path = NULL;
+  _is_dir = false;
+
+  open(filename, mode);
+}
+
+File& File::operator = (const File &rhs)
+{
+  // close if currently opened
+  if ( _hdl ) close();
+  memcpy(this, &rhs, sizeof(File));
+  return *this;
+}
+
+File::~File ()
+{
+
+}
+
+bool File::open (char const *filename, uint8_t mode)
+{
+  // close if currently opened
+  if ( _hdl ) close();
+
+  *this = _fs->open(filename, mode);
+  return _hdl != NULL;
+}
+
+size_t File::write (uint8_t ch)
+{
+  VERIFY(!_is_dir, 0);
+  return write(&ch, 1);
+}
+
+size_t File::write (uint8_t const *buf, size_t size)
+{
+  VERIFY(!_is_dir, 0);
+  return _fs->_f_write(_hdl, buf, size);
+}
+
+int File::read (void)
+{
+  VERIFY(!_is_dir, -1);
+  uint8_t ch;
+  return (read(&ch, 1) > 0) ? ch : -1;
+}
+
+int File::read (void *buf, uint16_t nbyte)
+{
+  VERIFY(!_is_dir, 0);
+  return _fs->_f_read(_hdl, buf, nbyte);
+}
+
+int File::peek (void)
+{
+  VERIFY(!_is_dir, -1);
+
+  int ch = read();
+  uint32_t pos = position();
+  seek((pos > 0) ? (pos - 1) : 0);
+  return ch;
+}
+
+int File::available (void)
+{
+  return size() - position();
+}
+
+bool File::seek (uint32_t pos)
+{
+  VERIFY(!_is_dir, false);
+  return _fs->_f_seek(_hdl, pos);
+}
+
+uint32_t File::position (void)
+{
+  VERIFY(!_is_dir, 0);
+  return _fs->_f_position(_hdl);
+}
+
+uint32_t File::size (void)
+{
+  VERIFY(!_is_dir, 0);
+  return _fs->_f_size(_hdl);
+}
+
+void File::flush (void)
+{
+  VERIFY(!_is_dir,);
+  _fs->_f_flush(_hdl);
+}
+
+void File::close (void)
+{
+  if ( _hdl )
+  {
+    _fs->_f_close(_hdl, _is_dir);
+    rtos_free(_hdl);
+  }
+
+  if ( _path ) rtos_free(_path);
+
+  _hdl = NULL;
+  _path = NULL;
+}
+
+File::operator bool (void)
+{
+  return _hdl != NULL;
+}
+
+char const* File::name (void)
+{
+  // return barename only
+  char* barename = strrchr(_path, '/');
+  return barename ? (barename + 1) : _path;
+}
+
+char const* File::path (void)
+{
+  return _path;
+}
+
+bool File::isDirectory (void)
+{
+  return _is_dir;
+}
+
+File File::openNextFile (uint8_t mode)
+{
+  if ( !_is_dir ) return File(*_fs);
+  return _fs->_f_openNextFile(_hdl, _path, mode);
+}
+
+void File::rewindDirectory (void)
+{
+  _fs->_f_rewindDirectory(_hdl);
+}
+
+
+}