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Initial import of missing files
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2012-06-12 sd-reader
* fix capacity readout from csd register depending on format version
* fix gcc strict-aliasing warnings (also somewhat enlarges code size)
2011-04-23 sd-reader
* fix FAT access for cluster numbers beyond 2^15 (for FAT16) and 2^30 (for FAT32) (thanks to Darwin Engwer for testing)
* correctly return disk-full condition from fat_write_file() on certain conditions
* use byteorder memory access functions for fat_fs_get_free()
* be more specific on the return value of fat_write_file()
2011-02-05 sd-reader
* implement renaming a file or directory
* rewrite byteorder handling to fix unaligned memory accesses on 32-bit and probably 16-bit architectures
* make fat_create_file() not return failure if the file already exists
* make the "cat" output respect the count of bytes actually read
* document how to use fat_seek_file() for retrieving the file position
2010-10-10 sd-reader
* Fix equal file names when reading two successive 8.3 directory entries.
* Fix calculation of cluster positions beyond 4GB (32 bit integer overflow).
* Fix endless looping of directory listing (occured with valid entry at end of last cluster).
2010-01-10 sd-reader
* Make LFN support configurable.
* Ignore LFN directory entries without 8.3 name.
* Ignore LFN directory entries which do not match the 8.3 name's checksum.
* Implement delayed directory entry updates (disabled by default) (thanks to Adam Mayer).
* Speedup search for free cluster.
* Fix memory leak when using the "init" command (thanks to Tibor Vilhan).
* Fix ATmega328P-specific pin mappings.
* Add some of the picoPower MCU variants.
2009-03-30 sd-reader
* Make 8.3 basename and/or extension lowercase when told by Windows NT and later.
* Add ATmega328 pin configuration.
* Fix MMC/SD/SDHC distinction.
* Fix raw block read/write buffering (thanks to Kurt Sterckx).
* Fix fat size calculation for FAT16 when configured with FAT32.
* Fix compilation for read-only configurations.
* Fix card lock detection.
* Make it easier to link with a C++ application (thanks to Jérôme Despatis).
2008-11-21 sd-reader
* Support for SDHC cards (disabled by default).
* Support for FAT32 (disabled by default).
2008-06-08 sd-reader
* New "init" command to allow reinitialization of memory card.
* Fix searching through multi-cluster directories.
* Fix reading directory entries spanning a cluster border (backport from mega-eth).
* Do not abort the whole lfn entry when the file name is too long, just drop single characters (backport from mega-eth).
* Change fat16_get_dir_entry_of_path() to ignore a slash at the end (backport from mega-eth).
* Make listing a directory's content much faster (backport from mega-eth).
* Shrink code size by centralizing cluster offset calculation (backport from mega-eth).
* Some other small fixes and optimizations.
2007-12-13 sd-reader
* Dual-license the major implementation modules under GPL and LGPL.
2007-06-03 sd-reader
* Fix reading beyond cached block (by Benjamin Meier).
* Implement support for reading and writing file modification dates/times.
(Thanks to Torsten Seeboth for testing.)
2007-03-01 sd-reader
* Avoid LFN directory entries for the "." and ".." directory references.
This prevented Windows from deleting directories.
* Handle special case where the 8.3 filename begins with 0xe5.
* Fix return value of fat16_delete_file() when deleting empty files.
* Fix fat16_clear_cluster() which was zeroing only 16 of every 32 bytes.
2007-01-20 sd-reader
* Fix directory creation.
- Correctly create "." and ".." directory entries (8.3 <-> lfn versions).
- Correctly clear cluster containing the directory entries for new directory.
2006-11-01 sd-reader
* Implement creation and deletion of directories.
* Clear the directory entries of new directory clusters.
* Prevent linkage against printf().
* Make the use of malloc()/free() optional.
2006-09-01 sd-reader
* Fix shortening files.
* Fix free disk space calculation.
2006-08-24 sd-reader
* Improve sleep handling.
* Display extended card information on boot and
when executing the "disk" shell command.
* Correctly determine FAT type by cluster count.
* Fix cluster allocation beyond card capacity.
2006-08-16 sd-reader
* Provide FAT16 capacity and usage information.
* Implement the backspace key in the mini shell.
* Enter idle mode when waiting for uart activity.
* Make the Card Select pin MCU dependent as well.
* Add mini shell commands to documentation.
2006-08-08 sd-reader
* Thanks go to Torsten Seeboth for his ongoing efforts
to test changes, fix regressions and give suggestions.
Many of the changes below were initiated by him.
* Much more reliable card initialization.
* Highly improved performance
- optional write buffering
- better cluster handling
- remove unneeded SPI access when reading from buffered block
- use highest spi frequency after card initialization
* Add superfloppy support.
* Better checks when opening a FAT16 filesystem.
* Provide SPI pin mappings for commonly used ATmegas.
* Fix resizing files, hangs could occur.
* Fix overflow when creating files with names longer than 31 characters.
* Fix numerous other small things.
2006-03-19 sd-reader
* Fix speed regressions.
2006-03-16 sd-reader
* Initial release.
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