kopia lustrzana https://github.com/pimoroni/pimoroni-pico
Pico Wireless HTTP SD Card demo
rodzic
7d3eb60b33
commit
24fa369759
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@ -6,3 +6,5 @@ add_subdirectory(rv3028)
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add_subdirectory(trackball)
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add_subdirectory(vl53l1x)
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add_subdirectory(is31fl3731)
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add_subdirectory(fatfs)
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add_subdirectory(sdcard)
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@ -0,0 +1,359 @@
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----------------------------------------------------------------------------
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Revision history of FatFs module
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----------------------------------------------------------------------------
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R0.00 (February 26, 2006)
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Prototype.
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R0.01 (April 29, 2006)
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The first release.
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R0.02 (June 01, 2006)
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Added FAT12 support.
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Removed unbuffered mode.
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Fixed a problem on small (<32M) partition.
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R0.02a (June 10, 2006)
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Added a configuration option (_FS_MINIMUM).
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R0.03 (September 22, 2006)
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Added f_rename().
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Changed option _FS_MINIMUM to _FS_MINIMIZE.
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R0.03a (December 11, 2006)
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Improved cluster scan algorithm to write files fast.
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Fixed f_mkdir() creates incorrect directory on FAT32.
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R0.04 (February 04, 2007)
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Added f_mkfs().
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Supported multiple drive system.
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Changed some interfaces for multiple drive system.
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Changed f_mountdrv() to f_mount().
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R0.04a (April 01, 2007)
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Supported multiple partitions on a physical drive.
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Added a capability of extending file size to f_lseek().
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Added minimization level 3.
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Fixed an endian sensitive code in f_mkfs().
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R0.04b (May 05, 2007)
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Added a configuration option _USE_NTFLAG.
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Added FSINFO support.
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Fixed DBCS name can result FR_INVALID_NAME.
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Fixed short seek (<= csize) collapses the file object.
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R0.05 (August 25, 2007)
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Changed arguments of f_read(), f_write() and f_mkfs().
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Fixed f_mkfs() on FAT32 creates incorrect FSINFO.
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Fixed f_mkdir() on FAT32 creates incorrect directory.
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R0.05a (February 03, 2008)
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Added f_truncate() and f_utime().
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Fixed off by one error at FAT sub-type determination.
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Fixed btr in f_read() can be mistruncated.
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Fixed cached sector is not flushed when create and close without write.
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R0.06 (April 01, 2008)
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Added fputc(), fputs(), fprintf() and fgets().
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Improved performance of f_lseek() on moving to the same or following cluster.
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R0.07 (April 01, 2009)
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Merged Tiny-FatFs as a configuration option. (_FS_TINY)
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Added long file name feature. (_USE_LFN)
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Added multiple code page feature. (_CODE_PAGE)
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Added re-entrancy for multitask operation. (_FS_REENTRANT)
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Added auto cluster size selection to f_mkfs().
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Added rewind option to f_readdir().
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Changed result code of critical errors.
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Renamed string functions to avoid name collision.
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R0.07a (April 14, 2009)
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Septemberarated out OS dependent code on reentrant cfg.
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Added multiple sector size feature.
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R0.07c (June 21, 2009)
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Fixed f_unlink() can return FR_OK on error.
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Fixed wrong cache control in f_lseek().
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Added relative path feature.
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Added f_chdir() and f_chdrive().
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Added proper case conversion to extended character.
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R0.07e (November 03, 2009)
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Septemberarated out configuration options from ff.h to ffconf.h.
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Fixed f_unlink() fails to remove a sub-directory on _FS_RPATH.
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Fixed name matching error on the 13 character boundary.
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Added a configuration option, _LFN_UNICODE.
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Changed f_readdir() to return the SFN with always upper case on non-LFN cfg.
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R0.08 (May 15, 2010)
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Added a memory configuration option. (_USE_LFN = 3)
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Added file lock feature. (_FS_SHARE)
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Added fast seek feature. (_USE_FASTSEEK)
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Changed some types on the API, XCHAR->TCHAR.
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Changed .fname in the FILINFO structure on Unicode cfg.
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String functions support UTF-8 encoding files on Unicode cfg.
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R0.08a (August 16, 2010)
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Added f_getcwd(). (_FS_RPATH = 2)
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Added sector erase feature. (_USE_ERASE)
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Moved file lock semaphore table from fs object to the bss.
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Fixed f_mkfs() creates wrong FAT32 volume.
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R0.08b (January 15, 2011)
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Fast seek feature is also applied to f_read() and f_write().
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f_lseek() reports required table size on creating CLMP.
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Extended format syntax of f_printf().
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Ignores duplicated directory separators in given path name.
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R0.09 (September 06, 2011)
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f_mkfs() supports multiple partition to complete the multiple partition feature.
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Added f_fdisk().
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R0.09a (August 27, 2012)
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Changed f_open() and f_opendir() reject null object pointer to avoid crash.
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Changed option name _FS_SHARE to _FS_LOCK.
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Fixed assertion failure due to OS/2 EA on FAT12/16 volume.
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R0.09b (January 24, 2013)
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Added f_setlabel() and f_getlabel().
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R0.10 (October 02, 2013)
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Added selection of character encoding on the file. (_STRF_ENCODE)
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Added f_closedir().
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Added forced full FAT scan for f_getfree(). (_FS_NOFSINFO)
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Added forced mount feature with changes of f_mount().
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Improved behavior of volume auto detection.
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Improved write throughput of f_puts() and f_printf().
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Changed argument of f_chdrive(), f_mkfs(), disk_read() and disk_write().
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Fixed f_write() can be truncated when the file size is close to 4GB.
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Fixed f_open(), f_mkdir() and f_setlabel() can return incorrect value on error.
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R0.10a (January 15, 2014)
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Added arbitrary strings as drive number in the path name. (_STR_VOLUME_ID)
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Added a configuration option of minimum sector size. (_MIN_SS)
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2nd argument of f_rename() can have a drive number and it will be ignored.
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Fixed f_mount() with forced mount fails when drive number is >= 1. (appeared at R0.10)
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Fixed f_close() invalidates the file object without volume lock.
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Fixed f_closedir() returns but the volume lock is left acquired. (appeared at R0.10)
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Fixed creation of an entry with LFN fails on too many SFN collisions. (appeared at R0.07)
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R0.10b (May 19, 2014)
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Fixed a hard error in the disk I/O layer can collapse the directory entry.
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Fixed LFN entry is not deleted when delete/rename an object with lossy converted SFN. (appeared at R0.07)
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R0.10c (November 09, 2014)
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Added a configuration option for the platforms without RTC. (_FS_NORTC)
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Changed option name _USE_ERASE to _USE_TRIM.
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Fixed volume label created by Mac OS X cannot be retrieved with f_getlabel(). (appeared at R0.09b)
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Fixed a potential problem of FAT access that can appear on disk error.
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Fixed null pointer dereference on attempting to delete the root direcotry. (appeared at R0.08)
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R0.11 (February 09, 2015)
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Added f_findfirst(), f_findnext() and f_findclose(). (_USE_FIND)
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Fixed f_unlink() does not remove cluster chain of the file. (appeared at R0.10c)
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Fixed _FS_NORTC option does not work properly. (appeared at R0.10c)
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R0.11a (September 05, 2015)
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Fixed wrong media change can lead a deadlock at thread-safe configuration.
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Added code page 771, 860, 861, 863, 864, 865 and 869. (_CODE_PAGE)
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Removed some code pages actually not exist on the standard systems. (_CODE_PAGE)
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Fixed errors in the case conversion teble of code page 437 and 850 (ff.c).
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Fixed errors in the case conversion teble of Unicode (cc*.c).
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R0.12 (April 12, 2016)
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Added support for exFAT file system. (_FS_EXFAT)
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Added f_expand(). (_USE_EXPAND)
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Changed some members in FINFO structure and behavior of f_readdir().
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Added an option _USE_CHMOD.
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Removed an option _WORD_ACCESS.
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Fixed errors in the case conversion table of Unicode (cc*.c).
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R0.12a (July 10, 2016)
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Added support for creating exFAT volume with some changes of f_mkfs().
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Added a file open method FA_OPEN_APPEND. An f_lseek() following f_open() is no longer needed.
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f_forward() is available regardless of _FS_TINY.
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Fixed f_mkfs() creates wrong volume. (appeared at R0.12)
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Fixed wrong memory read in create_name(). (appeared at R0.12)
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Fixed compilation fails at some configurations, _USE_FASTSEEK and _USE_FORWARD.
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R0.12b (September 04, 2016)
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Made f_rename() be able to rename objects with the same name but case.
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Fixed an error in the case conversion teble of code page 866. (ff.c)
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Fixed writing data is truncated at the file offset 4GiB on the exFAT volume. (appeared at R0.12)
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Fixed creating a file in the root directory of exFAT volume can fail. (appeared at R0.12)
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Fixed f_mkfs() creating exFAT volume with too small cluster size can collapse unallocated memory. (appeared at R0.12)
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Fixed wrong object name can be returned when read directory at Unicode cfg. (appeared at R0.12)
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Fixed large file allocation/removing on the exFAT volume collapses allocation bitmap. (appeared at R0.12)
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Fixed some internal errors in f_expand() and f_lseek(). (appeared at R0.12)
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R0.12c (March 04, 2017)
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Improved write throughput at the fragmented file on the exFAT volume.
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Made memory usage for exFAT be able to be reduced as decreasing _MAX_LFN.
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Fixed successive f_getfree() can return wrong count on the FAT12/16 volume. (appeared at R0.12)
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Fixed configuration option _VOLUMES cannot be set 10. (appeared at R0.10c)
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R0.13 (May 21, 2017)
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Changed heading character of configuration keywords "_" to "FF_".
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Removed ASCII-only configuration, FF_CODE_PAGE = 1. Use FF_CODE_PAGE = 437 instead.
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Added f_setcp(), run-time code page configuration. (FF_CODE_PAGE = 0)
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Improved cluster allocation time on stretch a deep buried cluster chain.
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Improved processing time of f_mkdir() with large cluster size by using FF_USE_LFN = 3.
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Improved NoFatChain flag of the fragmented file to be set after it is truncated and got contiguous.
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Fixed archive attribute is left not set when a file on the exFAT volume is renamed. (appeared at R0.12)
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Fixed exFAT FAT entry can be collapsed when write or lseek operation to the existing file is done. (appeared at R0.12c)
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Fixed creating a file can fail when a new cluster allocation to the exFAT directory occures. (appeared at R0.12c)
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R0.13a (October 14, 2017)
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Added support for UTF-8 encoding on the API. (FF_LFN_UNICODE = 2)
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Added options for file name output buffer. (FF_LFN_BUF, FF_SFN_BUF).
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Added dynamic memory allocation option for working buffer of f_mkfs() and f_fdisk().
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Fixed f_fdisk() and f_mkfs() create the partition table with wrong CHS parameters. (appeared at R0.09)
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Fixed f_unlink() can cause lost clusters at fragmented file on the exFAT volume. (appeared at R0.12c)
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Fixed f_setlabel() rejects some valid characters for exFAT volume. (appeared at R0.12)
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R0.13b (April 07, 2018)
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Added support for UTF-32 encoding on the API. (FF_LFN_UNICODE = 3)
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Added support for Unix style volume ID. (FF_STR_VOLUME_ID = 2)
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Fixed accesing any object on the exFAT root directory beyond the cluster boundary can fail. (appeared at R0.12c)
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Fixed f_setlabel() does not reject some invalid characters. (appeared at R0.09b)
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R0.13c (October 14, 2018)
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Supported stdint.h for C99 and later. (integer.h was included in ff.h)
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Fixed reading a directory gets infinite loop when the last directory entry is not empty. (appeared at R0.12)
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Fixed creating a sub-directory in the fragmented sub-directory on the exFAT volume collapses FAT chain of the parent directory. (appeared at R0.12)
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Fixed f_getcwd() cause output buffer overrun when the buffer has a valid drive number. (appeared at R0.13b)
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R0.14 (October 14, 2019)
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Added support for 64-bit LBA and GUID partition table (FF_LBA64 = 1)
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Changed some API functions, f_mkfs() and f_fdisk().
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Fixed f_open() function cannot find the file with file name in length of FF_MAX_LFN characters.
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Fixed f_readdir() function cannot retrieve long file names in length of FF_MAX_LFN - 1 characters.
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Fixed f_readdir() function returns file names with wrong case conversion. (appeared at R0.12)
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Fixed f_mkfs() function can fail to create exFAT volume in the second partition. (appeared at R0.12)
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R0.14a (December 5, 2020)
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Limited number of recursive calls in f_findnext().
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Fixed old floppy disks formatted with MS-DOS 2.x and 3.x cannot be mounted.
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Fixed some compiler warnings.
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R0.14b (April 17, 2021)
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Made FatFs uses standard library <string.h> for copy, compare and search instead of built-in string functions.
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Added support for long long integer and floating point to f_printf(). (FF_STRF_LLI and FF_STRF_FP)
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Made path name parser ignore the terminating separator to allow "dir/".
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Improved the compatibility in Unix style path name feature.
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Fixed the file gets dead-locked when f_open() failed with some conditions. (appeared at R0.12a)
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Fixed f_mkfs() can create wrong exFAT volume due to a timing dependent error. (appeared at R0.12)
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Fixed code page 855 cannot be set by f_setcp().
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Fixed some compiler warnings.
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@ -0,0 +1,21 @@
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FatFs Module Source Files R0.14b
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FILES
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00readme.txt This file.
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00history.txt Revision history.
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ff.c FatFs module.
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ffconf.h Configuration file of FatFs module.
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ff.h Common include file for FatFs and application module.
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diskio.h Common include file for FatFs and disk I/O module.
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diskio.c An example of glue function to attach existing disk I/O module to FatFs.
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ffunicode.c Optional Unicode utility functions.
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ffsystem.c An example of optional O/S related functions.
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Low level disk I/O module is not included in this archive because the FatFs
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module is only a generic file system layer and it does not depend on any specific
|
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storage device. You need to provide a low level disk I/O module written to
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control the storage device that attached to the target system.
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@ -0,0 +1 @@
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include(${CMAKE_CURRENT_LIST_DIR}/fatfs.cmake)
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@ -0,0 +1,77 @@
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/*-----------------------------------------------------------------------/
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/ Low level disk interface modlue include file (C)ChaN, 2019 /
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/-----------------------------------------------------------------------*/
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#ifndef _DISKIO_DEFINED
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#define _DISKIO_DEFINED
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Status of Disk Functions */
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typedef BYTE DSTATUS;
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/* Results of Disk Functions */
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typedef enum {
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RES_OK = 0, /* 0: Successful */
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RES_ERROR, /* 1: R/W Error */
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RES_WRPRT, /* 2: Write Protected */
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RES_NOTRDY, /* 3: Not Ready */
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RES_PARERR /* 4: Invalid Parameter */
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} DRESULT;
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/*---------------------------------------*/
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/* Prototypes for disk control functions */
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DSTATUS disk_initialize (BYTE pdrv);
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DSTATUS disk_status (BYTE pdrv);
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DRESULT disk_read (BYTE pdrv, BYTE* buff, LBA_t sector, UINT count);
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DRESULT disk_write (BYTE pdrv, const BYTE* buff, LBA_t sector, UINT count);
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DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
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/* Disk Status Bits (DSTATUS) */
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#define STA_NOINIT 0x01 /* Drive not initialized */
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#define STA_NODISK 0x02 /* No medium in the drive */
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#define STA_PROTECT 0x04 /* Write protected */
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/* Command code for disk_ioctrl fucntion */
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/* Generic command (Used by FatFs) */
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#define CTRL_SYNC 0 /* Complete pending write process (needed at FF_FS_READONLY == 0) */
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#define GET_SECTOR_COUNT 1 /* Get media size (needed at FF_USE_MKFS == 1) */
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#define GET_SECTOR_SIZE 2 /* Get sector size (needed at FF_MAX_SS != FF_MIN_SS) */
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#define GET_BLOCK_SIZE 3 /* Get erase block size (needed at FF_USE_MKFS == 1) */
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#define CTRL_TRIM 4 /* Inform device that the data on the block of sectors is no longer used (needed at FF_USE_TRIM == 1) */
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/* Generic command (Not used by FatFs) */
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#define CTRL_POWER 5 /* Get/Set power status */
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#define CTRL_LOCK 6 /* Lock/Unlock media removal */
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#define CTRL_EJECT 7 /* Eject media */
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#define CTRL_FORMAT 8 /* Create physical format on the media */
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/* MMC/SDC specific ioctl command */
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#define MMC_GET_TYPE 10 /* Get card type */
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#define MMC_GET_CSD 11 /* Get CSD */
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#define MMC_GET_CID 12 /* Get CID */
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#define MMC_GET_OCR 13 /* Get OCR */
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#define MMC_GET_SDSTAT 14 /* Get SD status */
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#define ISDIO_READ 55 /* Read data form SD iSDIO register */
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#define ISDIO_WRITE 56 /* Write data to SD iSDIO register */
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#define ISDIO_MRITE 57 /* Masked write data to SD iSDIO register */
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/* ATA/CF specific ioctl command */
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#define ATA_GET_REV 20 /* Get F/W revision */
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||||
#define ATA_GET_MODEL 21 /* Get model name */
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#define ATA_GET_SN 22 /* Get serial number */
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#ifdef __cplusplus
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}
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#endif
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||||
#endif
|
|
@ -0,0 +1,12 @@
|
|||
if (NOT TARGET fatfs)
|
||||
add_library(fatfs INTERFACE)
|
||||
|
||||
target_sources(fatfs INTERFACE
|
||||
${CMAKE_CURRENT_LIST_DIR}/ff.c
|
||||
${CMAKE_CURRENT_LIST_DIR}/ffsystem.c
|
||||
${CMAKE_CURRENT_LIST_DIR}/ffunicode.c
|
||||
)
|
||||
|
||||
target_link_libraries(fatfs INTERFACE pico_stdlib hardware_clocks hardware_spi)
|
||||
target_include_directories(fatfs INTERFACE ${CMAKE_CURRENT_LIST_DIR})
|
||||
endif()
|
Plik diff jest za duży
Load Diff
|
@ -0,0 +1,422 @@
|
|||
/*----------------------------------------------------------------------------/
|
||||
/ FatFs - Generic FAT Filesystem module R0.14b /
|
||||
/-----------------------------------------------------------------------------/
|
||||
/
|
||||
/ Copyright (C) 2021, ChaN, all right reserved.
|
||||
/
|
||||
/ FatFs module is an open source software. Redistribution and use of FatFs in
|
||||
/ source and binary forms, with or without modification, are permitted provided
|
||||
/ that the following condition is met:
|
||||
|
||||
/ 1. Redistributions of source code must retain the above copyright notice,
|
||||
/ this condition and the following disclaimer.
|
||||
/
|
||||
/ This software is provided by the copyright holder and contributors "AS IS"
|
||||
/ and any warranties related to this software are DISCLAIMED.
|
||||
/ The copyright owner or contributors be NOT LIABLE for any damages caused
|
||||
/ by use of this software.
|
||||
/
|
||||
/----------------------------------------------------------------------------*/
|
||||
|
||||
|
||||
#ifndef FF_DEFINED
|
||||
#define FF_DEFINED 86631 /* Revision ID */
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
|
||||
#include "ffconf.h" /* FatFs configuration options */
|
||||
|
||||
#if FF_DEFINED != FFCONF_DEF
|
||||
#error Wrong configuration file (ffconf.h).
|
||||
#endif
|
||||
|
||||
|
||||
/* Integer types used for FatFs API */
|
||||
|
||||
#if defined(_WIN32) /* Windows VC++ (for development only) */
|
||||
#define FF_INTDEF 2
|
||||
#include <windows.h>
|
||||
typedef unsigned __int64 QWORD;
|
||||
#include <float.h>
|
||||
#define isnan(v) _isnan(v)
|
||||
#define isinf(v) (!_finite(v))
|
||||
|
||||
#elif (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L) || defined(__cplusplus) /* C99 or later */
|
||||
#define FF_INTDEF 2
|
||||
#include <stdint.h>
|
||||
typedef unsigned int UINT; /* int must be 16-bit or 32-bit */
|
||||
typedef unsigned char BYTE; /* char must be 8-bit */
|
||||
typedef uint16_t WORD; /* 16-bit unsigned integer */
|
||||
typedef uint32_t DWORD; /* 32-bit unsigned integer */
|
||||
typedef uint64_t QWORD; /* 64-bit unsigned integer */
|
||||
typedef WORD WCHAR; /* UTF-16 character type */
|
||||
|
||||
#else /* Earlier than C99 */
|
||||
#define FF_INTDEF 1
|
||||
typedef unsigned int UINT; /* int must be 16-bit or 32-bit */
|
||||
typedef unsigned char BYTE; /* char must be 8-bit */
|
||||
typedef unsigned short WORD; /* 16-bit unsigned integer */
|
||||
typedef unsigned long DWORD; /* 32-bit unsigned integer */
|
||||
typedef WORD WCHAR; /* UTF-16 character type */
|
||||
#endif
|
||||
|
||||
|
||||
/* Type of file size and LBA variables */
|
||||
|
||||
#if FF_FS_EXFAT
|
||||
#if FF_INTDEF != 2
|
||||
#error exFAT feature wants C99 or later
|
||||
#endif
|
||||
typedef QWORD FSIZE_t;
|
||||
#if FF_LBA64
|
||||
typedef QWORD LBA_t;
|
||||
#else
|
||||
typedef DWORD LBA_t;
|
||||
#endif
|
||||
#else
|
||||
#if FF_LBA64
|
||||
#error exFAT needs to be enabled when enable 64-bit LBA
|
||||
#endif
|
||||
typedef DWORD FSIZE_t;
|
||||
typedef DWORD LBA_t;
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
/* Type of path name strings on FatFs API (TCHAR) */
|
||||
|
||||
#if FF_USE_LFN && FF_LFN_UNICODE == 1 /* Unicode in UTF-16 encoding */
|
||||
typedef WCHAR TCHAR;
|
||||
#define _T(x) L ## x
|
||||
#define _TEXT(x) L ## x
|
||||
#elif FF_USE_LFN && FF_LFN_UNICODE == 2 /* Unicode in UTF-8 encoding */
|
||||
typedef char TCHAR;
|
||||
#define _T(x) u8 ## x
|
||||
#define _TEXT(x) u8 ## x
|
||||
#elif FF_USE_LFN && FF_LFN_UNICODE == 3 /* Unicode in UTF-32 encoding */
|
||||
typedef DWORD TCHAR;
|
||||
#define _T(x) U ## x
|
||||
#define _TEXT(x) U ## x
|
||||
#elif FF_USE_LFN && (FF_LFN_UNICODE < 0 || FF_LFN_UNICODE > 3)
|
||||
#error Wrong FF_LFN_UNICODE setting
|
||||
#else /* ANSI/OEM code in SBCS/DBCS */
|
||||
typedef char TCHAR;
|
||||
#define _T(x) x
|
||||
#define _TEXT(x) x
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
/* Definitions of volume management */
|
||||
|
||||
#if FF_MULTI_PARTITION /* Multiple partition configuration */
|
||||
typedef struct {
|
||||
BYTE pd; /* Physical drive number */
|
||||
BYTE pt; /* Partition: 0:Auto detect, 1-4:Forced partition) */
|
||||
} PARTITION;
|
||||
extern PARTITION VolToPart[]; /* Volume - Partition mapping table */
|
||||
#endif
|
||||
|
||||
#if FF_STR_VOLUME_ID
|
||||
#ifndef FF_VOLUME_STRS
|
||||
extern const char* VolumeStr[FF_VOLUMES]; /* User defied volume ID */
|
||||
#endif
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
/* Filesystem object structure (FATFS) */
|
||||
|
||||
typedef struct {
|
||||
BYTE fs_type; /* Filesystem type (0:not mounted) */
|
||||
BYTE pdrv; /* Associated physical drive */
|
||||
BYTE n_fats; /* Number of FATs (1 or 2) */
|
||||
BYTE wflag; /* win[] flag (b0:dirty) */
|
||||
BYTE fsi_flag; /* FSINFO flags (b7:disabled, b0:dirty) */
|
||||
WORD id; /* Volume mount ID */
|
||||
WORD n_rootdir; /* Number of root directory entries (FAT12/16) */
|
||||
WORD csize; /* Cluster size [sectors] */
|
||||
#if FF_MAX_SS != FF_MIN_SS
|
||||
WORD ssize; /* Sector size (512, 1024, 2048 or 4096) */
|
||||
#endif
|
||||
#if FF_USE_LFN
|
||||
WCHAR* lfnbuf; /* LFN working buffer */
|
||||
#endif
|
||||
#if FF_FS_EXFAT
|
||||
BYTE* dirbuf; /* Directory entry block scratchpad buffer for exFAT */
|
||||
#endif
|
||||
#if FF_FS_REENTRANT
|
||||
FF_SYNC_t sobj; /* Identifier of sync object */
|
||||
#endif
|
||||
#if !FF_FS_READONLY
|
||||
DWORD last_clst; /* Last allocated cluster */
|
||||
DWORD free_clst; /* Number of free clusters */
|
||||
#endif
|
||||
#if FF_FS_RPATH
|
||||
DWORD cdir; /* Current directory start cluster (0:root) */
|
||||
#if FF_FS_EXFAT
|
||||
DWORD cdc_scl; /* Containing directory start cluster (invalid when cdir is 0) */
|
||||
DWORD cdc_size; /* b31-b8:Size of containing directory, b7-b0: Chain status */
|
||||
DWORD cdc_ofs; /* Offset in the containing directory (invalid when cdir is 0) */
|
||||
#endif
|
||||
#endif
|
||||
DWORD n_fatent; /* Number of FAT entries (number of clusters + 2) */
|
||||
DWORD fsize; /* Size of an FAT [sectors] */
|
||||
LBA_t volbase; /* Volume base sector */
|
||||
LBA_t fatbase; /* FAT base sector */
|
||||
LBA_t dirbase; /* Root directory base sector/cluster */
|
||||
LBA_t database; /* Data base sector */
|
||||
#if FF_FS_EXFAT
|
||||
LBA_t bitbase; /* Allocation bitmap base sector */
|
||||
#endif
|
||||
LBA_t winsect; /* Current sector appearing in the win[] */
|
||||
BYTE win[FF_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */
|
||||
} FATFS;
|
||||
|
||||
|
||||
|
||||
/* Object ID and allocation information (FFOBJID) */
|
||||
|
||||
typedef struct {
|
||||
FATFS* fs; /* Pointer to the hosting volume of this object */
|
||||
WORD id; /* Hosting volume mount ID */
|
||||
BYTE attr; /* Object attribute */
|
||||
BYTE stat; /* Object chain status (b1-0: =0:not contiguous, =2:contiguous, =3:fragmented in this session, b2:sub-directory stretched) */
|
||||
DWORD sclust; /* Object data start cluster (0:no cluster or root directory) */
|
||||
FSIZE_t objsize; /* Object size (valid when sclust != 0) */
|
||||
#if FF_FS_EXFAT
|
||||
DWORD n_cont; /* Size of first fragment - 1 (valid when stat == 3) */
|
||||
DWORD n_frag; /* Size of last fragment needs to be written to FAT (valid when not zero) */
|
||||
DWORD c_scl; /* Containing directory start cluster (valid when sclust != 0) */
|
||||
DWORD c_size; /* b31-b8:Size of containing directory, b7-b0: Chain status (valid when c_scl != 0) */
|
||||
DWORD c_ofs; /* Offset in the containing directory (valid when file object and sclust != 0) */
|
||||
#endif
|
||||
#if FF_FS_LOCK
|
||||
UINT lockid; /* File lock ID origin from 1 (index of file semaphore table Files[]) */
|
||||
#endif
|
||||
} FFOBJID;
|
||||
|
||||
|
||||
|
||||
/* File object structure (FIL) */
|
||||
|
||||
typedef struct {
|
||||
FFOBJID obj; /* Object identifier (must be the 1st member to detect invalid object pointer) */
|
||||
BYTE flag; /* File status flags */
|
||||
BYTE err; /* Abort flag (error code) */
|
||||
FSIZE_t fptr; /* File read/write pointer (Zeroed on file open) */
|
||||
DWORD clust; /* Current cluster of fpter (invalid when fptr is 0) */
|
||||
LBA_t sect; /* Sector number appearing in buf[] (0:invalid) */
|
||||
#if !FF_FS_READONLY
|
||||
LBA_t dir_sect; /* Sector number containing the directory entry (not used at exFAT) */
|
||||
BYTE* dir_ptr; /* Pointer to the directory entry in the win[] (not used at exFAT) */
|
||||
#endif
|
||||
#if FF_USE_FASTSEEK
|
||||
DWORD* cltbl; /* Pointer to the cluster link map table (nulled on open, set by application) */
|
||||
#endif
|
||||
#if !FF_FS_TINY
|
||||
BYTE buf[FF_MAX_SS]; /* File private data read/write window */
|
||||
#endif
|
||||
} FIL;
|
||||
|
||||
|
||||
|
||||
/* Directory object structure (DIR) */
|
||||
|
||||
typedef struct {
|
||||
FFOBJID obj; /* Object identifier */
|
||||
DWORD dptr; /* Current read/write offset */
|
||||
DWORD clust; /* Current cluster */
|
||||
LBA_t sect; /* Current sector (0:Read operation has terminated) */
|
||||
BYTE* dir; /* Pointer to the directory item in the win[] */
|
||||
BYTE fn[12]; /* SFN (in/out) {body[8],ext[3],status[1]} */
|
||||
#if FF_USE_LFN
|
||||
DWORD blk_ofs; /* Offset of current entry block being processed (0xFFFFFFFF:Invalid) */
|
||||
#endif
|
||||
#if FF_USE_FIND
|
||||
const TCHAR* pat; /* Pointer to the name matching pattern */
|
||||
#endif
|
||||
} DIR;
|
||||
|
||||
|
||||
|
||||
/* File information structure (FILINFO) */
|
||||
|
||||
typedef struct {
|
||||
FSIZE_t fsize; /* File size */
|
||||
WORD fdate; /* Modified date */
|
||||
WORD ftime; /* Modified time */
|
||||
BYTE fattrib; /* File attribute */
|
||||
#if FF_USE_LFN
|
||||
TCHAR altname[FF_SFN_BUF + 1];/* Altenative file name */
|
||||
TCHAR fname[FF_LFN_BUF + 1]; /* Primary file name */
|
||||
#else
|
||||
TCHAR fname[12 + 1]; /* File name */
|
||||
#endif
|
||||
} FILINFO;
|
||||
|
||||
|
||||
|
||||
/* Format parameter structure (MKFS_PARM) */
|
||||
|
||||
typedef struct {
|
||||
BYTE fmt; /* Format option (FM_FAT, FM_FAT32, FM_EXFAT and FM_SFD) */
|
||||
BYTE n_fat; /* Number of FATs */
|
||||
UINT align; /* Data area alignment (sector) */
|
||||
UINT n_root; /* Number of root directory entries */
|
||||
DWORD au_size; /* Cluster size (byte) */
|
||||
} MKFS_PARM;
|
||||
|
||||
|
||||
|
||||
/* File function return code (FRESULT) */
|
||||
|
||||
typedef enum {
|
||||
FR_OK = 0, /* (0) Succeeded */
|
||||
FR_DISK_ERR, /* (1) A hard error occurred in the low level disk I/O layer */
|
||||
FR_INT_ERR, /* (2) Assertion failed */
|
||||
FR_NOT_READY, /* (3) The physical drive cannot work */
|
||||
FR_NO_FILE, /* (4) Could not find the file */
|
||||
FR_NO_PATH, /* (5) Could not find the path */
|
||||
FR_INVALID_NAME, /* (6) The path name format is invalid */
|
||||
FR_DENIED, /* (7) Access denied due to prohibited access or directory full */
|
||||
FR_EXIST, /* (8) Access denied due to prohibited access */
|
||||
FR_INVALID_OBJECT, /* (9) The file/directory object is invalid */
|
||||
FR_WRITE_PROTECTED, /* (10) The physical drive is write protected */
|
||||
FR_INVALID_DRIVE, /* (11) The logical drive number is invalid */
|
||||
FR_NOT_ENABLED, /* (12) The volume has no work area */
|
||||
FR_NO_FILESYSTEM, /* (13) There is no valid FAT volume */
|
||||
FR_MKFS_ABORTED, /* (14) The f_mkfs() aborted due to any problem */
|
||||
FR_TIMEOUT, /* (15) Could not get a grant to access the volume within defined period */
|
||||
FR_LOCKED, /* (16) The operation is rejected according to the file sharing policy */
|
||||
FR_NOT_ENOUGH_CORE, /* (17) LFN working buffer could not be allocated */
|
||||
FR_TOO_MANY_OPEN_FILES, /* (18) Number of open files > FF_FS_LOCK */
|
||||
FR_INVALID_PARAMETER /* (19) Given parameter is invalid */
|
||||
} FRESULT;
|
||||
|
||||
|
||||
|
||||
/*--------------------------------------------------------------*/
|
||||
/* FatFs module application interface */
|
||||
|
||||
FRESULT f_open (FIL* fp, const TCHAR* path, BYTE mode); /* Open or create a file */
|
||||
FRESULT f_close (FIL* fp); /* Close an open file object */
|
||||
FRESULT f_read (FIL* fp, void* buff, UINT btr, UINT* br); /* Read data from the file */
|
||||
FRESULT f_write (FIL* fp, const void* buff, UINT btw, UINT* bw); /* Write data to the file */
|
||||
FRESULT f_lseek (FIL* fp, FSIZE_t ofs); /* Move file pointer of the file object */
|
||||
FRESULT f_truncate (FIL* fp); /* Truncate the file */
|
||||
FRESULT f_sync (FIL* fp); /* Flush cached data of the writing file */
|
||||
FRESULT f_opendir (DIR* dp, const TCHAR* path); /* Open a directory */
|
||||
FRESULT f_closedir (DIR* dp); /* Close an open directory */
|
||||
FRESULT f_readdir (DIR* dp, FILINFO* fno); /* Read a directory item */
|
||||
FRESULT f_findfirst (DIR* dp, FILINFO* fno, const TCHAR* path, const TCHAR* pattern); /* Find first file */
|
||||
FRESULT f_findnext (DIR* dp, FILINFO* fno); /* Find next file */
|
||||
FRESULT f_mkdir (const TCHAR* path); /* Create a sub directory */
|
||||
FRESULT f_unlink (const TCHAR* path); /* Delete an existing file or directory */
|
||||
FRESULT f_rename (const TCHAR* path_old, const TCHAR* path_new); /* Rename/Move a file or directory */
|
||||
FRESULT f_stat (const TCHAR* path, FILINFO* fno); /* Get file status */
|
||||
FRESULT f_chmod (const TCHAR* path, BYTE attr, BYTE mask); /* Change attribute of a file/dir */
|
||||
FRESULT f_utime (const TCHAR* path, const FILINFO* fno); /* Change timestamp of a file/dir */
|
||||
FRESULT f_chdir (const TCHAR* path); /* Change current directory */
|
||||
FRESULT f_chdrive (const TCHAR* path); /* Change current drive */
|
||||
FRESULT f_getcwd (TCHAR* buff, UINT len); /* Get current directory */
|
||||
FRESULT f_getfree (const TCHAR* path, DWORD* nclst, FATFS** fatfs); /* Get number of free clusters on the drive */
|
||||
FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn); /* Get volume label */
|
||||
FRESULT f_setlabel (const TCHAR* label); /* Set volume label */
|
||||
FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf); /* Forward data to the stream */
|
||||
FRESULT f_expand (FIL* fp, FSIZE_t fsz, BYTE opt); /* Allocate a contiguous block to the file */
|
||||
FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */
|
||||
FRESULT f_mkfs (const TCHAR* path, const MKFS_PARM* opt, void* work, UINT len); /* Create a FAT volume */
|
||||
FRESULT f_fdisk (BYTE pdrv, const LBA_t ptbl[], void* work); /* Divide a physical drive into some partitions */
|
||||
FRESULT f_setcp (WORD cp); /* Set current code page */
|
||||
int f_putc (TCHAR c, FIL* fp); /* Put a character to the file */
|
||||
int f_puts (const TCHAR* str, FIL* cp); /* Put a string to the file */
|
||||
int f_printf (FIL* fp, const TCHAR* str, ...); /* Put a formatted string to the file */
|
||||
TCHAR* f_gets (TCHAR* buff, int len, FIL* fp); /* Get a string from the file */
|
||||
|
||||
#define f_eof(fp) ((int)((fp)->fptr == (fp)->obj.objsize))
|
||||
#define f_error(fp) ((fp)->err)
|
||||
#define f_tell(fp) ((fp)->fptr)
|
||||
#define f_size(fp) ((fp)->obj.objsize)
|
||||
#define f_rewind(fp) f_lseek((fp), 0)
|
||||
#define f_rewinddir(dp) f_readdir((dp), 0)
|
||||
#define f_rmdir(path) f_unlink(path)
|
||||
#define f_unmount(path) f_mount(0, path, 0)
|
||||
|
||||
|
||||
|
||||
|
||||
/*--------------------------------------------------------------*/
|
||||
/* Additional user defined functions */
|
||||
|
||||
/* RTC function */
|
||||
#if !FF_FS_READONLY && !FF_FS_NORTC
|
||||
DWORD get_fattime (void);
|
||||
#endif
|
||||
|
||||
/* LFN support functions */
|
||||
#if FF_USE_LFN >= 1 /* Code conversion (defined in unicode.c) */
|
||||
WCHAR ff_oem2uni (WCHAR oem, WORD cp); /* OEM code to Unicode conversion */
|
||||
WCHAR ff_uni2oem (DWORD uni, WORD cp); /* Unicode to OEM code conversion */
|
||||
DWORD ff_wtoupper (DWORD uni); /* Unicode upper-case conversion */
|
||||
#endif
|
||||
#if FF_USE_LFN == 3 /* Dynamic memory allocation */
|
||||
void* ff_memalloc (UINT msize); /* Allocate memory block */
|
||||
void ff_memfree (void* mblock); /* Free memory block */
|
||||
#endif
|
||||
|
||||
/* Sync functions */
|
||||
#if FF_FS_REENTRANT
|
||||
int ff_cre_syncobj (BYTE vol, FF_SYNC_t* sobj); /* Create a sync object */
|
||||
int ff_req_grant (FF_SYNC_t sobj); /* Lock sync object */
|
||||
void ff_rel_grant (FF_SYNC_t sobj); /* Unlock sync object */
|
||||
int ff_del_syncobj (FF_SYNC_t sobj); /* Delete a sync object */
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
|
||||
/*--------------------------------------------------------------*/
|
||||
/* Flags and offset address */
|
||||
|
||||
|
||||
/* File access mode and open method flags (3rd argument of f_open) */
|
||||
#define FA_READ 0x01
|
||||
#define FA_WRITE 0x02
|
||||
#define FA_OPEN_EXISTING 0x00
|
||||
#define FA_CREATE_NEW 0x04
|
||||
#define FA_CREATE_ALWAYS 0x08
|
||||
#define FA_OPEN_ALWAYS 0x10
|
||||
#define FA_OPEN_APPEND 0x30
|
||||
|
||||
/* Fast seek controls (2nd argument of f_lseek) */
|
||||
#define CREATE_LINKMAP ((FSIZE_t)0 - 1)
|
||||
|
||||
/* Format options (2nd argument of f_mkfs) */
|
||||
#define FM_FAT 0x01
|
||||
#define FM_FAT32 0x02
|
||||
#define FM_EXFAT 0x04
|
||||
#define FM_ANY 0x07
|
||||
#define FM_SFD 0x08
|
||||
|
||||
/* Filesystem type (FATFS.fs_type) */
|
||||
#define FS_FAT12 1
|
||||
#define FS_FAT16 2
|
||||
#define FS_FAT32 3
|
||||
#define FS_EXFAT 4
|
||||
|
||||
/* File attribute bits for directory entry (FILINFO.fattrib) */
|
||||
#define AM_RDO 0x01 /* Read only */
|
||||
#define AM_HID 0x02 /* Hidden */
|
||||
#define AM_SYS 0x04 /* System */
|
||||
#define AM_DIR 0x10 /* Directory */
|
||||
#define AM_ARC 0x20 /* Archive */
|
||||
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* FF_DEFINED */
|
|
@ -0,0 +1,301 @@
|
|||
/*---------------------------------------------------------------------------/
|
||||
/ FatFs Functional Configurations
|
||||
/---------------------------------------------------------------------------*/
|
||||
|
||||
#define FFCONF_DEF 86631 /* Revision ID */
|
||||
|
||||
/*---------------------------------------------------------------------------/
|
||||
/ Function Configurations
|
||||
/---------------------------------------------------------------------------*/
|
||||
|
||||
#define FF_FS_READONLY 0
|
||||
/* This option switches read-only configuration. (0:Read/Write or 1:Read-only)
|
||||
/ Read-only configuration removes writing API functions, f_write(), f_sync(),
|
||||
/ f_unlink(), f_mkdir(), f_chmod(), f_rename(), f_truncate(), f_getfree()
|
||||
/ and optional writing functions as well. */
|
||||
|
||||
|
||||
#define FF_FS_MINIMIZE 0
|
||||
/* This option defines minimization level to remove some basic API functions.
|
||||
/
|
||||
/ 0: Basic functions are fully enabled.
|
||||
/ 1: f_stat(), f_getfree(), f_unlink(), f_mkdir(), f_truncate() and f_rename()
|
||||
/ are removed.
|
||||
/ 2: f_opendir(), f_readdir() and f_closedir() are removed in addition to 1.
|
||||
/ 3: f_lseek() function is removed in addition to 2. */
|
||||
|
||||
|
||||
#define FF_USE_FIND 0
|
||||
/* This option switches filtered directory read functions, f_findfirst() and
|
||||
/ f_findnext(). (0:Disable, 1:Enable 2:Enable with matching altname[] too) */
|
||||
|
||||
|
||||
#define FF_USE_MKFS 0
|
||||
/* This option switches f_mkfs() function. (0:Disable or 1:Enable) */
|
||||
|
||||
|
||||
#define FF_USE_FASTSEEK 0
|
||||
/* This option switches fast seek function. (0:Disable or 1:Enable) */
|
||||
|
||||
|
||||
#define FF_USE_EXPAND 1
|
||||
/* This option switches f_expand function. (0:Disable or 1:Enable) */
|
||||
|
||||
|
||||
#define FF_USE_CHMOD 0
|
||||
/* This option switches attribute manipulation functions, f_chmod() and f_utime().
|
||||
/ (0:Disable or 1:Enable) Also FF_FS_READONLY needs to be 0 to enable this option. */
|
||||
|
||||
|
||||
#define FF_USE_LABEL 0
|
||||
/* This option switches volume label functions, f_getlabel() and f_setlabel().
|
||||
/ (0:Disable or 1:Enable) */
|
||||
|
||||
|
||||
#define FF_USE_FORWARD 0
|
||||
/* This option switches f_forward() function. (0:Disable or 1:Enable) */
|
||||
|
||||
|
||||
#define FF_USE_STRFUNC 0
|
||||
#define FF_PRINT_LLI 0
|
||||
#define FF_PRINT_FLOAT 0
|
||||
#define FF_STRF_ENCODE 3
|
||||
/* FF_USE_STRFUNC switches string functions, f_gets(), f_putc(), f_puts() and
|
||||
/ f_printf().
|
||||
/
|
||||
/ 0: Disable. FF_PRINT_LLI, FF_PRINT_FLOAT and FF_STRF_ENCODE have no effect.
|
||||
/ 1: Enable without LF-CRLF conversion.
|
||||
/ 2: Enable with LF-CRLF conversion.
|
||||
/
|
||||
/ FF_PRINT_LLI = 1 makes f_printf() support long long argument and FF_PRINT_FLOAT = 1/2
|
||||
makes f_printf() support floating point argument. These features want C99 or later.
|
||||
/ When FF_LFN_UNICODE >= 1 with LFN enabled, string functions convert the character
|
||||
/ encoding in it. FF_STRF_ENCODE selects assumption of character encoding ON THE FILE
|
||||
/ to be read/written via those functions.
|
||||
/
|
||||
/ 0: ANSI/OEM in current CP
|
||||
/ 1: Unicode in UTF-16LE
|
||||
/ 2: Unicode in UTF-16BE
|
||||
/ 3: Unicode in UTF-8
|
||||
*/
|
||||
|
||||
|
||||
/*---------------------------------------------------------------------------/
|
||||
/ Locale and Namespace Configurations
|
||||
/---------------------------------------------------------------------------*/
|
||||
|
||||
#define FF_CODE_PAGE 932
|
||||
/* This option specifies the OEM code page to be used on the target system.
|
||||
/ Incorrect code page setting can cause a file open failure.
|
||||
/
|
||||
/ 437 - U.S.
|
||||
/ 720 - Arabic
|
||||
/ 737 - Greek
|
||||
/ 771 - KBL
|
||||
/ 775 - Baltic
|
||||
/ 850 - Latin 1
|
||||
/ 852 - Latin 2
|
||||
/ 855 - Cyrillic
|
||||
/ 857 - Turkish
|
||||
/ 860 - Portuguese
|
||||
/ 861 - Icelandic
|
||||
/ 862 - Hebrew
|
||||
/ 863 - Canadian French
|
||||
/ 864 - Arabic
|
||||
/ 865 - Nordic
|
||||
/ 866 - Russian
|
||||
/ 869 - Greek 2
|
||||
/ 932 - Japanese (DBCS)
|
||||
/ 936 - Simplified Chinese (DBCS)
|
||||
/ 949 - Korean (DBCS)
|
||||
/ 950 - Traditional Chinese (DBCS)
|
||||
/ 0 - Include all code pages above and configured by f_setcp()
|
||||
*/
|
||||
|
||||
|
||||
#define FF_USE_LFN 1
|
||||
#define FF_MAX_LFN 255
|
||||
/* The FF_USE_LFN switches the support for LFN (long file name).
|
||||
/
|
||||
/ 0: Disable LFN. FF_MAX_LFN has no effect.
|
||||
/ 1: Enable LFN with static working buffer on the BSS. Always NOT thread-safe.
|
||||
/ 2: Enable LFN with dynamic working buffer on the STACK.
|
||||
/ 3: Enable LFN with dynamic working buffer on the HEAP.
|
||||
/
|
||||
/ To enable the LFN, ffunicode.c needs to be added to the project. The LFN function
|
||||
/ requiers certain internal working buffer occupies (FF_MAX_LFN + 1) * 2 bytes and
|
||||
/ additional (FF_MAX_LFN + 44) / 15 * 32 bytes when exFAT is enabled.
|
||||
/ The FF_MAX_LFN defines size of the working buffer in UTF-16 code unit and it can
|
||||
/ be in range of 12 to 255. It is recommended to be set it 255 to fully support LFN
|
||||
/ specification.
|
||||
/ When use stack for the working buffer, take care on stack overflow. When use heap
|
||||
/ memory for the working buffer, memory management functions, ff_memalloc() and
|
||||
/ ff_memfree() exemplified in ffsystem.c, need to be added to the project. */
|
||||
|
||||
|
||||
#define FF_LFN_UNICODE 0
|
||||
/* This option switches the character encoding on the API when LFN is enabled.
|
||||
/
|
||||
/ 0: ANSI/OEM in current CP (TCHAR = char)
|
||||
/ 1: Unicode in UTF-16 (TCHAR = WCHAR)
|
||||
/ 2: Unicode in UTF-8 (TCHAR = char)
|
||||
/ 3: Unicode in UTF-32 (TCHAR = DWORD)
|
||||
/
|
||||
/ Also behavior of string I/O functions will be affected by this option.
|
||||
/ When LFN is not enabled, this option has no effect. */
|
||||
|
||||
|
||||
#define FF_LFN_BUF 255
|
||||
#define FF_SFN_BUF 12
|
||||
/* This set of options defines size of file name members in the FILINFO structure
|
||||
/ which is used to read out directory items. These values should be suffcient for
|
||||
/ the file names to read. The maximum possible length of the read file name depends
|
||||
/ on character encoding. When LFN is not enabled, these options have no effect. */
|
||||
|
||||
|
||||
#define FF_FS_RPATH 1
|
||||
/* This option configures support for relative path.
|
||||
/
|
||||
/ 0: Disable relative path and remove related functions.
|
||||
/ 1: Enable relative path. f_chdir() and f_chdrive() are available.
|
||||
/ 2: f_getcwd() function is available in addition to 1.
|
||||
*/
|
||||
|
||||
|
||||
/*---------------------------------------------------------------------------/
|
||||
/ Drive/Volume Configurations
|
||||
/---------------------------------------------------------------------------*/
|
||||
|
||||
#define FF_VOLUMES 1
|
||||
/* Number of volumes (logical drives) to be used. (1-10) */
|
||||
|
||||
|
||||
#define FF_STR_VOLUME_ID 0
|
||||
#define FF_VOLUME_STRS "RAM","NAND","CF","SD","SD2","USB","USB2","USB3"
|
||||
/* FF_STR_VOLUME_ID switches support for volume ID in arbitrary strings.
|
||||
/ When FF_STR_VOLUME_ID is set to 1 or 2, arbitrary strings can be used as drive
|
||||
/ number in the path name. FF_VOLUME_STRS defines the volume ID strings for each
|
||||
/ logical drives. Number of items must not be less than FF_VOLUMES. Valid
|
||||
/ characters for the volume ID strings are A-Z, a-z and 0-9, however, they are
|
||||
/ compared in case-insensitive. If FF_STR_VOLUME_ID >= 1 and FF_VOLUME_STRS is
|
||||
/ not defined, a user defined volume string table needs to be defined as:
|
||||
/
|
||||
/ const char* VolumeStr[FF_VOLUMES] = {"ram","flash","sd","usb",...
|
||||
*/
|
||||
|
||||
|
||||
#define FF_MULTI_PARTITION 0
|
||||
/* This option switches support for multiple volumes on the physical drive.
|
||||
/ By default (0), each logical drive number is bound to the same physical drive
|
||||
/ number and only an FAT volume found on the physical drive will be mounted.
|
||||
/ When this function is enabled (1), each logical drive number can be bound to
|
||||
/ arbitrary physical drive and partition listed in the VolToPart[]. Also f_fdisk()
|
||||
/ funciton will be available. */
|
||||
|
||||
|
||||
#define FF_MIN_SS 512
|
||||
#define FF_MAX_SS 512
|
||||
/* This set of options configures the range of sector size to be supported. (512,
|
||||
/ 1024, 2048 or 4096) Always set both 512 for most systems, generic memory card and
|
||||
/ harddisk, but a larger value may be required for on-board flash memory and some
|
||||
/ type of optical media. When FF_MAX_SS is larger than FF_MIN_SS, FatFs is configured
|
||||
/ for variable sector size mode and disk_ioctl() function needs to implement
|
||||
/ GET_SECTOR_SIZE command. */
|
||||
|
||||
|
||||
#define FF_LBA64 0
|
||||
/* This option switches support for 64-bit LBA. (0:Disable or 1:Enable)
|
||||
/ To enable the 64-bit LBA, also exFAT needs to be enabled. (FF_FS_EXFAT == 1) */
|
||||
|
||||
|
||||
#define FF_MIN_GPT 0x10000000
|
||||
/* Minimum number of sectors to switch GPT as partitioning format in f_mkfs and
|
||||
/ f_fdisk function. 0x100000000 max. This option has no effect when FF_LBA64 == 0. */
|
||||
|
||||
|
||||
#define FF_USE_TRIM 0
|
||||
/* This option switches support for ATA-TRIM. (0:Disable or 1:Enable)
|
||||
/ To enable Trim function, also CTRL_TRIM command should be implemented to the
|
||||
/ disk_ioctl() function. */
|
||||
|
||||
|
||||
|
||||
/*---------------------------------------------------------------------------/
|
||||
/ System Configurations
|
||||
/---------------------------------------------------------------------------*/
|
||||
|
||||
#define FF_FS_TINY 0
|
||||
/* This option switches tiny buffer configuration. (0:Normal or 1:Tiny)
|
||||
/ At the tiny configuration, size of file object (FIL) is shrinked FF_MAX_SS bytes.
|
||||
/ Instead of private sector buffer eliminated from the file object, common sector
|
||||
/ buffer in the filesystem object (FATFS) is used for the file data transfer. */
|
||||
|
||||
|
||||
#define FF_FS_EXFAT 1
|
||||
/* This option switches support for exFAT filesystem. (0:Disable or 1:Enable)
|
||||
/ To enable exFAT, also LFN needs to be enabled. (FF_USE_LFN >= 1)
|
||||
/ Note that enabling exFAT discards ANSI C (C89) compatibility. */
|
||||
|
||||
|
||||
#define FF_FS_NORTC 1
|
||||
#define FF_NORTC_MON 1
|
||||
#define FF_NORTC_MDAY 1
|
||||
#define FF_NORTC_YEAR 2020
|
||||
/* The option FF_FS_NORTC switches timestamp function. If the system does not have
|
||||
/ any RTC function or valid timestamp is not needed, set FF_FS_NORTC = 1 to disable
|
||||
/ the timestamp function. Every object modified by FatFs will have a fixed timestamp
|
||||
/ defined by FF_NORTC_MON, FF_NORTC_MDAY and FF_NORTC_YEAR in local time.
|
||||
/ To enable timestamp function (FF_FS_NORTC = 0), get_fattime() function need to be
|
||||
/ added to the project to read current time form real-time clock. FF_NORTC_MON,
|
||||
/ FF_NORTC_MDAY and FF_NORTC_YEAR have no effect.
|
||||
/ These options have no effect in read-only configuration (FF_FS_READONLY = 1). */
|
||||
|
||||
|
||||
#define FF_FS_NOFSINFO 0
|
||||
/* If you need to know correct free space on the FAT32 volume, set bit 0 of this
|
||||
/ option, and f_getfree() function at first time after volume mount will force
|
||||
/ a full FAT scan. Bit 1 controls the use of last allocated cluster number.
|
||||
/
|
||||
/ bit0=0: Use free cluster count in the FSINFO if available.
|
||||
/ bit0=1: Do not trust free cluster count in the FSINFO.
|
||||
/ bit1=0: Use last allocated cluster number in the FSINFO if available.
|
||||
/ bit1=1: Do not trust last allocated cluster number in the FSINFO.
|
||||
*/
|
||||
|
||||
|
||||
#define FF_FS_LOCK 0
|
||||
/* The option FF_FS_LOCK switches file lock function to control duplicated file open
|
||||
/ and illegal operation to open objects. This option must be 0 when FF_FS_READONLY
|
||||
/ is 1.
|
||||
/
|
||||
/ 0: Disable file lock function. To avoid volume corruption, application program
|
||||
/ should avoid illegal open, remove and rename to the open objects.
|
||||
/ >0: Enable file lock function. The value defines how many files/sub-directories
|
||||
/ can be opened simultaneously under file lock control. Note that the file
|
||||
/ lock control is independent of re-entrancy. */
|
||||
|
||||
|
||||
/* #include <somertos.h> // O/S definitions */
|
||||
#define FF_FS_REENTRANT 0
|
||||
#define FF_FS_TIMEOUT 1000
|
||||
#define FF_SYNC_t HANDLE
|
||||
/* The option FF_FS_REENTRANT switches the re-entrancy (thread safe) of the FatFs
|
||||
/ module itself. Note that regardless of this option, file access to different
|
||||
/ volume is always re-entrant and volume control functions, f_mount(), f_mkfs()
|
||||
/ and f_fdisk() function, are always not re-entrant. Only file/directory access
|
||||
/ to the same volume is under control of this function.
|
||||
/
|
||||
/ 0: Disable re-entrancy. FF_FS_TIMEOUT and FF_SYNC_t have no effect.
|
||||
/ 1: Enable re-entrancy. Also user provided synchronization handlers,
|
||||
/ ff_req_grant(), ff_rel_grant(), ff_del_syncobj() and ff_cre_syncobj()
|
||||
/ function, must be added to the project. Samples are available in
|
||||
/ option/syscall.c.
|
||||
/
|
||||
/ The FF_FS_TIMEOUT defines timeout period in unit of time tick.
|
||||
/ The FF_SYNC_t defines O/S dependent sync object type. e.g. HANDLE, ID, OS_EVENT*,
|
||||
/ SemaphoreHandle_t and etc. A header file for O/S definitions needs to be
|
||||
/ included somewhere in the scope of ff.h. */
|
||||
|
||||
|
||||
|
||||
/*--- End of configuration options ---*/
|
|
@ -0,0 +1,170 @@
|
|||
/*------------------------------------------------------------------------*/
|
||||
/* Sample Code of OS Dependent Functions for FatFs */
|
||||
/* (C)ChaN, 2018 */
|
||||
/*------------------------------------------------------------------------*/
|
||||
|
||||
|
||||
#include "ff.h"
|
||||
|
||||
|
||||
#if FF_USE_LFN == 3 /* Dynamic memory allocation */
|
||||
|
||||
/*------------------------------------------------------------------------*/
|
||||
/* Allocate a memory block */
|
||||
/*------------------------------------------------------------------------*/
|
||||
|
||||
void* ff_memalloc ( /* Returns pointer to the allocated memory block (null if not enough core) */
|
||||
UINT msize /* Number of bytes to allocate */
|
||||
)
|
||||
{
|
||||
return malloc(msize); /* Allocate a new memory block with POSIX API */
|
||||
}
|
||||
|
||||
|
||||
/*------------------------------------------------------------------------*/
|
||||
/* Free a memory block */
|
||||
/*------------------------------------------------------------------------*/
|
||||
|
||||
void ff_memfree (
|
||||
void* mblock /* Pointer to the memory block to free (nothing to do if null) */
|
||||
)
|
||||
{
|
||||
free(mblock); /* Free the memory block with POSIX API */
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
|
||||
#if FF_FS_REENTRANT /* Mutal exclusion */
|
||||
|
||||
/*------------------------------------------------------------------------*/
|
||||
/* Create a Synchronization Object */
|
||||
/*------------------------------------------------------------------------*/
|
||||
/* This function is called in f_mount() function to create a new
|
||||
/ synchronization object for the volume, such as semaphore and mutex.
|
||||
/ When a 0 is returned, the f_mount() function fails with FR_INT_ERR.
|
||||
*/
|
||||
|
||||
//const osMutexDef_t Mutex[FF_VOLUMES]; /* Table of CMSIS-RTOS mutex */
|
||||
|
||||
|
||||
int ff_cre_syncobj ( /* 1:Function succeeded, 0:Could not create the sync object */
|
||||
BYTE vol, /* Corresponding volume (logical drive number) */
|
||||
FF_SYNC_t* sobj /* Pointer to return the created sync object */
|
||||
)
|
||||
{
|
||||
/* Win32 */
|
||||
*sobj = CreateMutex(NULL, FALSE, NULL);
|
||||
return (int)(*sobj != INVALID_HANDLE_VALUE);
|
||||
|
||||
/* uITRON */
|
||||
// T_CSEM csem = {TA_TPRI,1,1};
|
||||
// *sobj = acre_sem(&csem);
|
||||
// return (int)(*sobj > 0);
|
||||
|
||||
/* uC/OS-II */
|
||||
// OS_ERR err;
|
||||
// *sobj = OSMutexCreate(0, &err);
|
||||
// return (int)(err == OS_NO_ERR);
|
||||
|
||||
/* FreeRTOS */
|
||||
// *sobj = xSemaphoreCreateMutex();
|
||||
// return (int)(*sobj != NULL);
|
||||
|
||||
/* CMSIS-RTOS */
|
||||
// *sobj = osMutexCreate(&Mutex[vol]);
|
||||
// return (int)(*sobj != NULL);
|
||||
}
|
||||
|
||||
|
||||
/*------------------------------------------------------------------------*/
|
||||
/* Delete a Synchronization Object */
|
||||
/*------------------------------------------------------------------------*/
|
||||
/* This function is called in f_mount() function to delete a synchronization
|
||||
/ object that created with ff_cre_syncobj() function. When a 0 is returned,
|
||||
/ the f_mount() function fails with FR_INT_ERR.
|
||||
*/
|
||||
|
||||
int ff_del_syncobj ( /* 1:Function succeeded, 0:Could not delete due to an error */
|
||||
FF_SYNC_t sobj /* Sync object tied to the logical drive to be deleted */
|
||||
)
|
||||
{
|
||||
/* Win32 */
|
||||
return (int)CloseHandle(sobj);
|
||||
|
||||
/* uITRON */
|
||||
// return (int)(del_sem(sobj) == E_OK);
|
||||
|
||||
/* uC/OS-II */
|
||||
// OS_ERR err;
|
||||
// OSMutexDel(sobj, OS_DEL_ALWAYS, &err);
|
||||
// return (int)(err == OS_NO_ERR);
|
||||
|
||||
/* FreeRTOS */
|
||||
// vSemaphoreDelete(sobj);
|
||||
// return 1;
|
||||
|
||||
/* CMSIS-RTOS */
|
||||
// return (int)(osMutexDelete(sobj) == osOK);
|
||||
}
|
||||
|
||||
|
||||
/*------------------------------------------------------------------------*/
|
||||
/* Request Grant to Access the Volume */
|
||||
/*------------------------------------------------------------------------*/
|
||||
/* This function is called on entering file functions to lock the volume.
|
||||
/ When a 0 is returned, the file function fails with FR_TIMEOUT.
|
||||
*/
|
||||
|
||||
int ff_req_grant ( /* 1:Got a grant to access the volume, 0:Could not get a grant */
|
||||
FF_SYNC_t sobj /* Sync object to wait */
|
||||
)
|
||||
{
|
||||
/* Win32 */
|
||||
return (int)(WaitForSingleObject(sobj, FF_FS_TIMEOUT) == WAIT_OBJECT_0);
|
||||
|
||||
/* uITRON */
|
||||
// return (int)(wai_sem(sobj) == E_OK);
|
||||
|
||||
/* uC/OS-II */
|
||||
// OS_ERR err;
|
||||
// OSMutexPend(sobj, FF_FS_TIMEOUT, &err));
|
||||
// return (int)(err == OS_NO_ERR);
|
||||
|
||||
/* FreeRTOS */
|
||||
// return (int)(xSemaphoreTake(sobj, FF_FS_TIMEOUT) == pdTRUE);
|
||||
|
||||
/* CMSIS-RTOS */
|
||||
// return (int)(osMutexWait(sobj, FF_FS_TIMEOUT) == osOK);
|
||||
}
|
||||
|
||||
|
||||
/*------------------------------------------------------------------------*/
|
||||
/* Release Grant to Access the Volume */
|
||||
/*------------------------------------------------------------------------*/
|
||||
/* This function is called on leaving file functions to unlock the volume.
|
||||
*/
|
||||
|
||||
void ff_rel_grant (
|
||||
FF_SYNC_t sobj /* Sync object to be signaled */
|
||||
)
|
||||
{
|
||||
/* Win32 */
|
||||
ReleaseMutex(sobj);
|
||||
|
||||
/* uITRON */
|
||||
// sig_sem(sobj);
|
||||
|
||||
/* uC/OS-II */
|
||||
// OSMutexPost(sobj);
|
||||
|
||||
/* FreeRTOS */
|
||||
// xSemaphoreGive(sobj);
|
||||
|
||||
/* CMSIS-RTOS */
|
||||
// osMutexRelease(sobj);
|
||||
}
|
||||
|
||||
#endif
|
||||
|
Plik diff jest za duży
Load Diff
|
@ -0,0 +1 @@
|
|||
include(${CMAKE_CURRENT_LIST_DIR}/sdcard.cmake)
|
|
@ -0,0 +1,5 @@
|
|||
# Pico SDK SD Card bindings for Fat FS
|
||||
|
||||
All of the hard work to bring up these bindings was done by @elohobica - https://github.com/elehobica/pico_fatfs_test
|
||||
|
||||
`sdcard.c` is a hard fork of their `tf_card.c` to add re-usable SDCard support to the Pimoroni Pico libraries.
|
|
@ -0,0 +1,580 @@
|
|||
#include "sdcard.h"
|
||||
|
||||
#include "pico.h"
|
||||
#include "pico/stdlib.h"
|
||||
#include "hardware/clocks.h"
|
||||
#include "hardware/spi.h"
|
||||
#include "hardware/gpio.h"
|
||||
//#include "hardware/gpio_ex.h"
|
||||
|
||||
#include "ff.h"
|
||||
#include "diskio.h"
|
||||
|
||||
|
||||
/*--------------------------------------------------------------------------
|
||||
|
||||
Module Private Functions
|
||||
|
||||
---------------------------------------------------------------------------*/
|
||||
|
||||
/* MMC/SD command */
|
||||
#define CMD0 (0) /* GO_IDLE_STATE */
|
||||
#define CMD1 (1) /* SEND_OP_COND (MMC) */
|
||||
#define ACMD41 (0x80+41) /* SEND_OP_COND (SDC) */
|
||||
#define CMD8 (8) /* SEND_IF_COND */
|
||||
#define CMD9 (9) /* SEND_CSD */
|
||||
#define CMD10 (10) /* SEND_CID */
|
||||
#define CMD12 (12) /* STOP_TRANSMISSION */
|
||||
#define ACMD13 (0x80+13) /* SD_STATUS (SDC) */
|
||||
#define CMD16 (16) /* SET_BLOCKLEN */
|
||||
#define CMD17 (17) /* READ_SINGLE_BLOCK */
|
||||
#define CMD18 (18) /* READ_MULTIPLE_BLOCK */
|
||||
#define CMD23 (23) /* SET_BLOCK_COUNT (MMC) */
|
||||
#define ACMD23 (0x80+23) /* SET_WR_BLK_ERASE_COUNT (SDC) */
|
||||
#define CMD24 (24) /* WRITE_BLOCK */
|
||||
#define CMD25 (25) /* WRITE_MULTIPLE_BLOCK */
|
||||
#define CMD32 (32) /* ERASE_ER_BLK_START */
|
||||
#define CMD33 (33) /* ERASE_ER_BLK_END */
|
||||
#define CMD38 (38) /* ERASE */
|
||||
#define CMD55 (55) /* APP_CMD */
|
||||
#define CMD58 (58) /* READ_OCR */
|
||||
|
||||
/* MMC card type flags (MMC_GET_TYPE) */
|
||||
#define CT_MMC 0x01 /* MMC ver 3 */
|
||||
#define CT_SD1 0x02 /* SD ver 1 */
|
||||
#define CT_SD2 0x04 /* SD ver 2 */
|
||||
#define CT_SDC (CT_SD1|CT_SD2) /* SD */
|
||||
#define CT_BLOCK 0x08 /* Block addressing */
|
||||
|
||||
#define CLK_SLOW (100 * KHZ)
|
||||
#define CLK_FAST (50 * MHZ)
|
||||
|
||||
static volatile
|
||||
DSTATUS Stat = STA_NOINIT; /* Physical drive status */
|
||||
|
||||
static
|
||||
BYTE CardType; /* Card type flags */
|
||||
|
||||
static inline uint32_t _millis(void)
|
||||
{
|
||||
return to_ms_since_boot(get_absolute_time());
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------------------*/
|
||||
/* SPI controls (Platform dependent) */
|
||||
/*-----------------------------------------------------------------------*/
|
||||
|
||||
static inline void cs_select(uint cs_pin) {
|
||||
asm volatile("nop \n nop \n nop"); // FIXME
|
||||
gpio_put(cs_pin, 0);
|
||||
asm volatile("nop \n nop \n nop"); // FIXME
|
||||
}
|
||||
|
||||
static inline void cs_deselect(uint cs_pin) {
|
||||
asm volatile("nop \n nop \n nop"); // FIXME
|
||||
gpio_put(cs_pin, 1);
|
||||
asm volatile("nop \n nop \n nop"); // FIXME
|
||||
}
|
||||
|
||||
static void FCLK_SLOW(void)
|
||||
{
|
||||
spi_set_baudrate(spi0, CLK_SLOW);
|
||||
}
|
||||
|
||||
static void FCLK_FAST(void)
|
||||
{
|
||||
spi_set_baudrate(spi0, CLK_FAST);
|
||||
}
|
||||
|
||||
static void CS_HIGH(void)
|
||||
{
|
||||
cs_deselect(SDCARD_PIN_SPI0_CS);
|
||||
}
|
||||
|
||||
static void CS_LOW(void)
|
||||
{
|
||||
cs_select(SDCARD_PIN_SPI0_CS);
|
||||
}
|
||||
|
||||
/* Initialize MMC interface */
|
||||
static
|
||||
void init_spi(void)
|
||||
{
|
||||
/* GPIO pin configuration */
|
||||
/* pull up of MISO is MUST (10Kohm external pull up is recommended) */
|
||||
/* Set drive strength and slew rate if needed to meet wire condition */
|
||||
gpio_init(SDCARD_PIN_SPI0_SCK);
|
||||
//gpio_pull_up(SDCARD_PIN_SPI0_SCK);
|
||||
//gpio_set_drive_strength(SDCARD_PIN_SPI0_SCK, PADS_BANK0_GPIO0_DRIVE_VALUE_4MA); // 2mA, 4mA (default), 8mA, 12mA
|
||||
//gpio_set_slew_rate(SDCARD_PIN_SPI0_SCK, 0); // 0: SLOW (default), 1: FAST
|
||||
gpio_set_function(SDCARD_PIN_SPI0_SCK, GPIO_FUNC_SPI);
|
||||
|
||||
gpio_init(SDCARD_PIN_SPI0_MISO);
|
||||
gpio_pull_up(SDCARD_PIN_SPI0_MISO);
|
||||
//gpio_set_schmitt(SDCARD_PIN_SPI0_MISO, 1); // 0: Off, 1: On (default)
|
||||
gpio_set_function(SDCARD_PIN_SPI0_MISO, GPIO_FUNC_SPI);
|
||||
|
||||
gpio_init(SDCARD_PIN_SPI0_MOSI);
|
||||
gpio_pull_up(SDCARD_PIN_SPI0_MOSI);
|
||||
//gpio_set_drive_strength(SDCARD_PIN_SPI0_MOSI, PADS_BANK0_GPIO0_DRIVE_VALUE_4MA); // 2mA, 4mA (default), 8mA, 12mA
|
||||
//gpio_set_slew_rate(SDCARD_PIN_SPI0_MOSI, 0); // 0: SLOW (default), 1: FAST
|
||||
gpio_set_function(SDCARD_PIN_SPI0_MOSI, GPIO_FUNC_SPI);
|
||||
|
||||
gpio_init(SDCARD_PIN_SPI0_CS);
|
||||
//gpio_pull_up(SDCARD_PIN_SPI0_CS);
|
||||
//gpio_set_drive_strength(SDCARD_PIN_SPI0_CS, PADS_BANK0_GPIO0_DRIVE_VALUE_4MA); // 2mA, 4mA (default), 8mA, 12mA
|
||||
//gpio_set_slew_rate(SDCARD_PIN_SPI0_CS, 0); // 0: SLOW (default), 1: FAST
|
||||
gpio_set_dir(SDCARD_PIN_SPI0_CS, GPIO_OUT);
|
||||
|
||||
/* chip _select invalid*/
|
||||
CS_HIGH();
|
||||
|
||||
spi_init(spi0, CLK_SLOW);
|
||||
|
||||
/* SPI0 parameter config */
|
||||
spi_set_format(spi0,
|
||||
8, /* data_bits */
|
||||
SPI_CPOL_0, /* cpol */
|
||||
SPI_CPHA_0, /* cpha */
|
||||
SPI_MSB_FIRST /* order */
|
||||
);
|
||||
}
|
||||
|
||||
/* Exchange a byte */
|
||||
static
|
||||
BYTE xchg_spi (
|
||||
BYTE dat /* Data to send */
|
||||
)
|
||||
{
|
||||
uint8_t *buff = (uint8_t *) &dat;
|
||||
spi_write_read_blocking(spi0, buff, buff, 1);
|
||||
return (BYTE) *buff;
|
||||
}
|
||||
|
||||
|
||||
/* Receive multiple byte */
|
||||
static
|
||||
void rcvr_spi_multi (
|
||||
BYTE *buff, /* Pointer to data buffer */
|
||||
UINT btr /* Number of bytes to receive (even number) */
|
||||
)
|
||||
{
|
||||
uint8_t *b = (uint8_t *) buff;
|
||||
spi_read_blocking(spi0, 0xff, b, btr);
|
||||
}
|
||||
|
||||
|
||||
/*-----------------------------------------------------------------------*/
|
||||
/* Wait for card ready */
|
||||
/*-----------------------------------------------------------------------*/
|
||||
|
||||
static
|
||||
int wait_ready ( /* 1:Ready, 0:Timeout */
|
||||
UINT wt /* Timeout [ms] */
|
||||
)
|
||||
{
|
||||
BYTE d;
|
||||
|
||||
uint32_t t = _millis();
|
||||
do {
|
||||
d = xchg_spi(0xFF);
|
||||
/* This loop takes a time. Insert rot_rdq() here for multitask envilonment. */
|
||||
} while (d != 0xFF && _millis() < t + wt); /* Wait for card goes ready or timeout */
|
||||
|
||||
return (d == 0xFF) ? 1 : 0;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/*-----------------------------------------------------------------------*/
|
||||
/* Deselect card and release SPI */
|
||||
/*-----------------------------------------------------------------------*/
|
||||
|
||||
static
|
||||
void deselect (void)
|
||||
{
|
||||
CS_HIGH(); /* Set CS# high */
|
||||
xchg_spi(0xFF); /* Dummy clock (force DO hi-z for multiple slave SPI) */
|
||||
}
|
||||
|
||||
|
||||
|
||||
/*-----------------------------------------------------------------------*/
|
||||
/* Select card and wait for ready */
|
||||
/*-----------------------------------------------------------------------*/
|
||||
|
||||
static
|
||||
int _select (void) /* 1:OK, 0:Timeout */
|
||||
{
|
||||
CS_LOW(); /* Set CS# low */
|
||||
xchg_spi(0xFF); /* Dummy clock (force DO enabled) */
|
||||
if (wait_ready(500)) return 1; /* Wait for card ready */
|
||||
|
||||
deselect();
|
||||
return 0; /* Timeout */
|
||||
}
|
||||
|
||||
|
||||
|
||||
/*-----------------------------------------------------------------------*/
|
||||
/* Receive a data packet from the MMC */
|
||||
/*-----------------------------------------------------------------------*/
|
||||
|
||||
static
|
||||
int rcvr_datablock ( /* 1:OK, 0:Error */
|
||||
BYTE *buff, /* Data buffer */
|
||||
UINT btr /* Data block length (byte) */
|
||||
)
|
||||
{
|
||||
BYTE token;
|
||||
|
||||
const uint32_t timeout = 200;
|
||||
uint32_t t = _millis();
|
||||
do { /* Wait for DataStart token in timeout of 200ms */
|
||||
token = xchg_spi(0xFF);
|
||||
/* This loop will take a time. Insert rot_rdq() here for multitask envilonment. */
|
||||
} while (token == 0xFF && _millis() < t + timeout);
|
||||
if(token != 0xFE) return 0; /* Function fails if invalid DataStart token or timeout */
|
||||
|
||||
rcvr_spi_multi(buff, btr); /* Store trailing data to the buffer */
|
||||
xchg_spi(0xFF); xchg_spi(0xFF); /* Discard CRC */
|
||||
|
||||
return 1; /* Function succeeded */
|
||||
}
|
||||
|
||||
|
||||
/*-----------------------------------------------------------------------*/
|
||||
/* Send a command packet to the MMC */
|
||||
/*-----------------------------------------------------------------------*/
|
||||
|
||||
static
|
||||
BYTE send_cmd ( /* Return value: R1 resp (bit7==1:Failed to send) */
|
||||
BYTE cmd, /* Command index */
|
||||
DWORD arg /* Argument */
|
||||
)
|
||||
{
|
||||
BYTE n, res;
|
||||
|
||||
|
||||
if (cmd & 0x80) { /* Send a CMD55 prior to ACMD<n> */
|
||||
cmd &= 0x7F;
|
||||
res = send_cmd(CMD55, 0);
|
||||
if (res > 1) return res;
|
||||
}
|
||||
|
||||
/* Select the card and wait for ready except to stop multiple block read */
|
||||
if (cmd != CMD12) {
|
||||
deselect();
|
||||
if (!_select()) return 0xFF;
|
||||
}
|
||||
|
||||
/* Send command packet */
|
||||
xchg_spi(0x40 | cmd); /* Start + command index */
|
||||
xchg_spi((BYTE)(arg >> 24)); /* Argument[31..24] */
|
||||
xchg_spi((BYTE)(arg >> 16)); /* Argument[23..16] */
|
||||
xchg_spi((BYTE)(arg >> 8)); /* Argument[15..8] */
|
||||
xchg_spi((BYTE)arg); /* Argument[7..0] */
|
||||
n = 0x01; /* Dummy CRC + Stop */
|
||||
if (cmd == CMD0) n = 0x95; /* Valid CRC for CMD0(0) */
|
||||
if (cmd == CMD8) n = 0x87; /* Valid CRC for CMD8(0x1AA) */
|
||||
xchg_spi(n);
|
||||
|
||||
/* Receive command resp */
|
||||
if (cmd == CMD12) xchg_spi(0xFF); /* Diacard following one byte when CMD12 */
|
||||
n = 10; /* Wait for response (10 bytes max) */
|
||||
do {
|
||||
res = xchg_spi(0xFF);
|
||||
} while ((res & 0x80) && --n);
|
||||
|
||||
return res; /* Return received response */
|
||||
}
|
||||
|
||||
/*--------------------------------------------------------------------------
|
||||
|
||||
Public Functions
|
||||
|
||||
---------------------------------------------------------------------------*/
|
||||
|
||||
|
||||
/*-----------------------------------------------------------------------*/
|
||||
/* Initialize disk drive */
|
||||
/*-----------------------------------------------------------------------*/
|
||||
|
||||
DSTATUS disk_initialize (
|
||||
BYTE drv /* Physical drive number (0) */
|
||||
)
|
||||
{
|
||||
BYTE n, cmd, ty, ocr[4];
|
||||
const uint32_t timeout = 1000; /* Initialization timeout = 1 sec */
|
||||
uint32_t t;
|
||||
|
||||
|
||||
if (drv) return STA_NOINIT; /* Supports only drive 0 */
|
||||
init_spi(); /* Initialize SPI */
|
||||
sleep_ms(10);
|
||||
|
||||
if (Stat & STA_NODISK) return Stat; /* Is card existing in the soket? */
|
||||
|
||||
FCLK_SLOW();
|
||||
CS_LOW();
|
||||
for (n = 10; n; n--) xchg_spi(0xFF); /* Send 80 dummy clocks */
|
||||
|
||||
ty = 0;
|
||||
if (send_cmd(CMD0, 0) == 1) { /* Put the card SPI/Idle state */
|
||||
t = _millis();
|
||||
if (send_cmd(CMD8, 0x1AA) == 1) { /* SDv2? */
|
||||
for (n = 0; n < 4; n++) ocr[n] = xchg_spi(0xFF); /* Get 32 bit return value of R7 resp */
|
||||
if (ocr[2] == 0x01 && ocr[3] == 0xAA) { /* Is the card supports vcc of 2.7-3.6V? */
|
||||
while (_millis() < t + timeout && send_cmd(ACMD41, 1UL << 30)) ; /* Wait for end of initialization with ACMD41(HCS) */
|
||||
if (_millis() < t + timeout && send_cmd(CMD58, 0) == 0) { /* Check CCS bit in the OCR */
|
||||
for (n = 0; n < 4; n++) ocr[n] = xchg_spi(0xFF);
|
||||
ty = (ocr[0] & 0x40) ? CT_SD2 | CT_BLOCK : CT_SD2; /* Card id SDv2 */
|
||||
}
|
||||
}
|
||||
} else { /* Not SDv2 card */
|
||||
if (send_cmd(ACMD41, 0) <= 1) { /* SDv1 or MMC? */
|
||||
ty = CT_SD1; cmd = ACMD41; /* SDv1 (ACMD41(0)) */
|
||||
} else {
|
||||
ty = CT_MMC; cmd = CMD1; /* MMCv3 (CMD1(0)) */
|
||||
}
|
||||
while (_millis() < t + timeout && send_cmd(cmd, 0)) ; /* Wait for end of initialization */
|
||||
if (_millis() >= t + timeout || send_cmd(CMD16, 512) != 0) /* Set block length: 512 */
|
||||
ty = 0;
|
||||
}
|
||||
}
|
||||
CardType = ty; /* Card type */
|
||||
deselect();
|
||||
|
||||
if (ty) { /* OK */
|
||||
FCLK_FAST(); /* Set fast clock */
|
||||
Stat &= ~STA_NOINIT; /* Clear STA_NOINIT flag */
|
||||
} else { /* Failed */
|
||||
Stat = STA_NOINIT;
|
||||
}
|
||||
|
||||
return Stat;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/*-----------------------------------------------------------------------*/
|
||||
/* Get disk status */
|
||||
/*-----------------------------------------------------------------------*/
|
||||
|
||||
DSTATUS disk_status (
|
||||
BYTE drv /* Physical drive number (0) */
|
||||
)
|
||||
{
|
||||
if (drv) return STA_NOINIT; /* Supports only drive 0 */
|
||||
|
||||
return Stat; /* Return disk status */
|
||||
}
|
||||
|
||||
|
||||
|
||||
/*-----------------------------------------------------------------------*/
|
||||
/* Read sector(s) */
|
||||
/*-----------------------------------------------------------------------*/
|
||||
|
||||
DRESULT disk_read (
|
||||
BYTE drv, /* Physical drive number (0) */
|
||||
BYTE *buff, /* Pointer to the data buffer to store read data */
|
||||
LBA_t sector, /* Start sector number (LBA) */
|
||||
UINT count /* Number of sectors to read (1..128) */
|
||||
)
|
||||
{
|
||||
if (drv || !count) return RES_PARERR; /* Check parameter */
|
||||
if (Stat & STA_NOINIT) return RES_NOTRDY; /* Check if drive is ready */
|
||||
|
||||
if (!(CardType & CT_BLOCK)) sector *= 512; /* LBA ot BA conversion (byte addressing cards) */
|
||||
|
||||
if (count == 1) { /* Single sector read */
|
||||
if ((send_cmd(CMD17, sector) == 0) /* READ_SINGLE_BLOCK */
|
||||
&& rcvr_datablock(buff, 512)) {
|
||||
count = 0;
|
||||
}
|
||||
}
|
||||
else { /* Multiple sector read */
|
||||
if (send_cmd(CMD18, sector) == 0) { /* READ_MULTIPLE_BLOCK */
|
||||
do {
|
||||
if (!rcvr_datablock(buff, 512)) break;
|
||||
buff += 512;
|
||||
} while (--count);
|
||||
send_cmd(CMD12, 0); /* STOP_TRANSMISSION */
|
||||
}
|
||||
}
|
||||
deselect();
|
||||
|
||||
return count ? RES_ERROR : RES_OK; /* Return result */
|
||||
}
|
||||
|
||||
|
||||
|
||||
#if !FF_FS_READONLY && !FF_FS_NORTC
|
||||
/* get the current time */
|
||||
DWORD get_fattime (void)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if FF_FS_READONLY == 0
|
||||
/* Transmit multiple byte */
|
||||
static
|
||||
void xmit_spi_multi (
|
||||
const BYTE *buff, /* Pointer to data buffer */
|
||||
UINT btx /* Number of bytes to transmit (even number) */
|
||||
)
|
||||
{
|
||||
const uint8_t *b = (const uint8_t *) buff;
|
||||
spi_write_blocking(spi0, b, btx);
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------------------*/
|
||||
/* Transmit a data packet to the MMC */
|
||||
/*-----------------------------------------------------------------------*/
|
||||
|
||||
static
|
||||
int xmit_datablock ( /* 1:OK, 0:Error */
|
||||
const BYTE *buff, /* 512 byte data block to be transmitted */
|
||||
BYTE token /* Data/Stop token */
|
||||
)
|
||||
{
|
||||
BYTE resp;
|
||||
if (!wait_ready(500)) return 0;
|
||||
xchg_spi(token); /* Xmit data token */
|
||||
if (token != 0xFD) { /* Is data token */
|
||||
xmit_spi_multi(buff, 512); /* Xmit the data block to the MMC */
|
||||
xchg_spi(0xFF); /* CRC (Dummy) */
|
||||
xchg_spi(0xFF);
|
||||
resp = xchg_spi(0xFF); /* Reveive data response */
|
||||
if ((resp & 0x1F) != 0x05) /* If not accepted, return with error */
|
||||
return 0;
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------------------*/
|
||||
/* Write sector(s) */
|
||||
/*-----------------------------------------------------------------------*/
|
||||
|
||||
DRESULT disk_write (
|
||||
BYTE drv, /* Physical drive number (0) */
|
||||
const BYTE *buff, /* Ponter to the data to write */
|
||||
LBA_t sector, /* Start sector number (LBA) */
|
||||
UINT count /* Number of sectors to write (1..128) */
|
||||
)
|
||||
{
|
||||
if (drv || !count) return RES_PARERR; /* Check parameter */
|
||||
if (Stat & STA_NOINIT) return RES_NOTRDY; /* Check drive status */
|
||||
if (Stat & STA_PROTECT) return RES_WRPRT; /* Check write protect */
|
||||
|
||||
if (!(CardType & CT_BLOCK)) sector *= 512; /* LBA ==> BA conversion (byte addressing cards) */
|
||||
|
||||
if (!_select()) return RES_NOTRDY;
|
||||
|
||||
if (count == 1) { /* Single sector write */
|
||||
if ((send_cmd(CMD24, sector) == 0) /* WRITE_BLOCK */
|
||||
&& xmit_datablock(buff, 0xFE)) {
|
||||
count = 0;
|
||||
}
|
||||
}
|
||||
else { /* Multiple sector write */
|
||||
if (CardType & CT_SDC) send_cmd(ACMD23, count); /* Predefine number of sectors */
|
||||
if (send_cmd(CMD25, sector) == 0) { /* WRITE_MULTIPLE_BLOCK */
|
||||
do {
|
||||
if (!xmit_datablock(buff, 0xFC)) break;
|
||||
buff += 512;
|
||||
} while (--count);
|
||||
if (!xmit_datablock(0, 0xFD)) count = 1; /* STOP_TRAN token */
|
||||
}
|
||||
}
|
||||
deselect();
|
||||
|
||||
return count ? RES_ERROR : RES_OK; /* Return result */
|
||||
}
|
||||
#endif
|
||||
|
||||
|
||||
/*-----------------------------------------------------------------------*/
|
||||
/* Miscellaneous drive controls other than data read/write */
|
||||
/*-----------------------------------------------------------------------*/
|
||||
|
||||
DRESULT disk_ioctl (
|
||||
BYTE drv, /* Physical drive number (0) */
|
||||
BYTE cmd, /* Control command code */
|
||||
void *buff /* Pointer to the conrtol data */
|
||||
)
|
||||
{
|
||||
DRESULT res;
|
||||
BYTE n, csd[16];
|
||||
DWORD *dp, st, ed, csize;
|
||||
|
||||
|
||||
if (drv) return RES_PARERR; /* Check parameter */
|
||||
if (Stat & STA_NOINIT) return RES_NOTRDY; /* Check if drive is ready */
|
||||
|
||||
res = RES_ERROR;
|
||||
|
||||
switch (cmd) {
|
||||
case CTRL_SYNC : /* Wait for end of internal write process of the drive */
|
||||
if (_select()) res = RES_OK;
|
||||
break;
|
||||
|
||||
case GET_SECTOR_COUNT : /* Get drive capacity in unit of sector (DWORD) */
|
||||
if ((send_cmd(CMD9, 0) == 0) && rcvr_datablock(csd, 16)) {
|
||||
if ((csd[0] >> 6) == 1) { /* SDC ver 2.00 */
|
||||
csize = csd[9] + ((WORD)csd[8] << 8) + ((DWORD)(csd[7] & 63) << 16) + 1;
|
||||
*(DWORD*)buff = csize << 10;
|
||||
} else { /* SDC ver 1.XX or MMC ver 3 */
|
||||
n = (csd[5] & 15) + ((csd[10] & 128) >> 7) + ((csd[9] & 3) << 1) + 2;
|
||||
csize = (csd[8] >> 6) + ((WORD)csd[7] << 2) + ((WORD)(csd[6] & 3) << 10) + 1;
|
||||
*(DWORD*)buff = csize << (n - 9);
|
||||
}
|
||||
res = RES_OK;
|
||||
}
|
||||
break;
|
||||
|
||||
case GET_BLOCK_SIZE : /* Get erase block size in unit of sector (DWORD) */
|
||||
if (CardType & CT_SD2) { /* SDC ver 2.00 */
|
||||
if (send_cmd(ACMD13, 0) == 0) { /* Read SD status */
|
||||
xchg_spi(0xFF);
|
||||
if (rcvr_datablock(csd, 16)) { /* Read partial block */
|
||||
for (n = 64 - 16; n; n--) xchg_spi(0xFF); /* Purge trailing data */
|
||||
*(DWORD*)buff = 16UL << (csd[10] >> 4);
|
||||
res = RES_OK;
|
||||
}
|
||||
}
|
||||
} else { /* SDC ver 1.XX or MMC */
|
||||
if ((send_cmd(CMD9, 0) == 0) && rcvr_datablock(csd, 16)) { /* Read CSD */
|
||||
if (CardType & CT_SD1) { /* SDC ver 1.XX */
|
||||
*(DWORD*)buff = (((csd[10] & 63) << 1) + ((WORD)(csd[11] & 128) >> 7) + 1) << ((csd[13] >> 6) - 1);
|
||||
} else { /* MMC */
|
||||
*(DWORD*)buff = ((WORD)((csd[10] & 124) >> 2) + 1) * (((csd[11] & 3) << 3) + ((csd[11] & 224) >> 5) + 1);
|
||||
}
|
||||
res = RES_OK;
|
||||
}
|
||||
}
|
||||
break;
|
||||
|
||||
case CTRL_TRIM : /* Erase a block of sectors (used when _USE_ERASE == 1) */
|
||||
if (!(CardType & CT_SDC)) break; /* Check if the card is SDC */
|
||||
if (disk_ioctl(drv, MMC_GET_CSD, csd)) break; /* Get CSD */
|
||||
if (!(csd[0] >> 6) && !(csd[10] & 0x40)) break; /* Check if sector erase can be applied to the card */
|
||||
dp = buff; st = dp[0]; ed = dp[1]; /* Load sector block */
|
||||
if (!(CardType & CT_BLOCK)) {
|
||||
st *= 512; ed *= 512;
|
||||
}
|
||||
if (send_cmd(CMD32, st) == 0 && send_cmd(CMD33, ed) == 0 && send_cmd(CMD38, 0) == 0 && wait_ready(30000)) { /* Erase sector block */
|
||||
res = RES_OK; /* FatFs does not check result of this command */
|
||||
}
|
||||
break;
|
||||
|
||||
default:
|
||||
res = RES_PARERR;
|
||||
}
|
||||
|
||||
deselect();
|
||||
|
||||
return res;
|
||||
}
|
|
@ -0,0 +1,10 @@
|
|||
if (NOT TARGET sdcard)
|
||||
add_library(sdcard INTERFACE)
|
||||
|
||||
target_sources(sdcard INTERFACE
|
||||
${CMAKE_CURRENT_LIST_DIR}/sdcard.c
|
||||
)
|
||||
|
||||
target_link_libraries(sdcard INTERFACE fatfs pico_stdlib hardware_clocks hardware_spi)
|
||||
target_include_directories(sdcard INTERFACE ${CMAKE_CURRENT_LIST_DIR})
|
||||
endif()
|
|
@ -0,0 +1,23 @@
|
|||
#ifndef _SDCARD_H_
|
||||
#define _SDCARD_H_
|
||||
|
||||
/* SPI pin assignment */
|
||||
|
||||
/* Pico Wireless */
|
||||
#ifndef SDCARD_PIN_SPI0_CS
|
||||
#define SDCARD_PIN_SPI0_CS 22
|
||||
#endif
|
||||
|
||||
#ifndef SDCARD_PIN_SPI0_SCK
|
||||
#define SDCARD_PIN_SPI0_SCK 18
|
||||
#endif
|
||||
|
||||
#ifndef SDCARD_PIN_SPI0_MOSI
|
||||
#define SDCARD_PIN_SPI0_MOSI 19
|
||||
#endif
|
||||
|
||||
#ifndef SDCARD_PIN_SPI0_MISO
|
||||
#define SDCARD_PIN_SPI0_MISO 16
|
||||
#endif
|
||||
|
||||
#endif // _SDCARD_H_
|
|
@ -1,3 +1,4 @@
|
|||
include("${CMAKE_CURRENT_LIST_DIR}/demo.cmake")
|
||||
include("${CMAKE_CURRENT_LIST_DIR}/rgb_http.cmake")
|
||||
include("${CMAKE_CURRENT_LIST_DIR}/cheerlights.cmake")
|
||||
include("${CMAKE_CURRENT_LIST_DIR}/sdcard_http.cmake")
|
||||
|
|
|
@ -0,0 +1,14 @@
|
|||
add_executable(
|
||||
wireless_sdcard_http
|
||||
sdcard_http.cpp
|
||||
)
|
||||
|
||||
# enable usb output, enable uart output
|
||||
pico_enable_stdio_usb(wireless_sdcard_http 1)
|
||||
pico_enable_stdio_uart(wireless_sdcard_http 1)
|
||||
|
||||
# Pull in pico libraries that we need
|
||||
target_link_libraries(wireless_sdcard_http sdcard fatfs pico_stdlib pico_wireless)
|
||||
|
||||
# create map/bin/hex file etc.
|
||||
pico_add_extra_outputs(wireless_sdcard_http)
|
|
@ -0,0 +1,319 @@
|
|||
#include <stdio.h>
|
||||
#include "pico/stdlib.h"
|
||||
#include "hardware/uart.h"
|
||||
#include "hardware/gpio.h"
|
||||
#include "hardware/spi.h"
|
||||
#include "pico_wireless.hpp"
|
||||
#include "secrets.h"
|
||||
#include "ff.h"
|
||||
|
||||
#include <vector>
|
||||
#include <algorithm>
|
||||
|
||||
#define HTTP_PORT 80
|
||||
#define HTTP_REQUEST_BUF_SIZE 2048
|
||||
#define HTTP_RESPONSE_BUF_SIZE 1024 * 10
|
||||
#define HTTP_RESPONSE_CHUNK_SIZE 1024u
|
||||
|
||||
#define DNS_CLOUDFLARE IPAddress(1, 1, 1, 1)
|
||||
#define DNS_GOOGLE IPAddress(8, 8, 8, 8)
|
||||
#define USE_DNS DNS_CLOUDFLARE
|
||||
|
||||
using namespace pimoroni;
|
||||
|
||||
FATFS fs;
|
||||
FIL fil;
|
||||
FRESULT fr;
|
||||
|
||||
PicoWireless wireless;
|
||||
uint8_t r, g, b;
|
||||
uint8_t request_buf[HTTP_REQUEST_BUF_SIZE];
|
||||
uint8_t response_buf[HTTP_RESPONSE_BUF_SIZE];
|
||||
const std::string response_501 = "HTTP/1.1 501 Not Implemented\nContent-Length: 19\n\n501 Not Implemented";
|
||||
|
||||
enum http_request_method_t {
|
||||
GET,
|
||||
POST
|
||||
};
|
||||
|
||||
enum http_content_type_t {
|
||||
TEXT_HTML,
|
||||
IMAGE_SVG,
|
||||
};
|
||||
|
||||
struct http_response_t {
|
||||
std::string_view response_body;
|
||||
int response_code;
|
||||
http_content_type_t content_type = TEXT_HTML;
|
||||
};
|
||||
|
||||
typedef http_response_t(*http_request_handler)(http_request_method_t method, std::string_view path, std::vector<std::string_view> request_head, std::vector<std::string_view> request_body);
|
||||
|
||||
std::vector<std::string_view> split(std::string_view str, std::string delim="\r\n") {
|
||||
std::vector<std::string_view> result;
|
||||
size_t offset = 0;
|
||||
while (offset < str.size()) {
|
||||
const auto pos = str.find_first_of(delim, offset);
|
||||
// Emit an empty view even if two adjacent delimiters are found
|
||||
// this ensurs the HTTP "blank line" start of content is found
|
||||
result.emplace_back(str.substr(offset, pos - offset));
|
||||
if (pos == std::string_view::npos) break;
|
||||
offset = pos + delim.length();
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
uint32_t millis() {
|
||||
return to_us_since_boot(get_absolute_time()) / 1000;
|
||||
}
|
||||
|
||||
bool wifi_connect(std::string network, std::string password, IPAddress dns_server, uint32_t timeout=10000) {
|
||||
printf("Connecting to %s...\n", network.c_str());
|
||||
wireless.wifi_set_passphrase(network, password);
|
||||
|
||||
uint32_t t_start = millis();
|
||||
|
||||
while(millis() - t_start < timeout) {
|
||||
if(wireless.get_connection_status() == WL_CONNECTED) {
|
||||
printf("Connected!\n");
|
||||
wireless.set_dns(1, dns_server, 0);
|
||||
return true;
|
||||
}
|
||||
wireless.set_led(255, 0, 0);
|
||||
sleep_ms(500);
|
||||
wireless.set_led(0, 0, 0);
|
||||
sleep_ms(500);
|
||||
printf("...\n");
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
int socket_accept(int8_t server_sock) {
|
||||
uint8_t new_sock = wireless.avail_server(server_sock);
|
||||
if(new_sock != server_sock
|
||||
&& new_sock != 255) {
|
||||
return new_sock;
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
bool has_suffix(std::string_view path, std::string_view suffix) {
|
||||
return path.length() >= suffix.length() && path.compare(path.length() - suffix.length(), suffix.length(), suffix) == 0;
|
||||
}
|
||||
|
||||
uint8_t start_server(uint16_t http_port) {
|
||||
printf("Starting server...\n", NETWORK);
|
||||
// Get a socket for our server
|
||||
uint8_t server_sock = wireless.get_socket();
|
||||
wireless.start_server(http_port, server_sock);
|
||||
while(1){
|
||||
uint8_t state = wireless.get_server_state(server_sock);
|
||||
if(state == LISTEN) break;
|
||||
}
|
||||
IPAddress ip;
|
||||
wireless.get_ip_address(ip);
|
||||
printf("Server listening on %s:%i\n", ip.to_string().c_str(), http_port);
|
||||
return server_sock;
|
||||
}
|
||||
|
||||
bool poll_http_requests(uint8_t server_sock, http_request_handler request_handler, uint32_t timeout = 1000) {
|
||||
uint16_t request_length = 0;
|
||||
uint16_t avail_length = 0;
|
||||
uint32_t t_start = millis();
|
||||
|
||||
// Clear the request buffer
|
||||
memset(request_buf, 0, HTTP_REQUEST_BUF_SIZE);
|
||||
|
||||
// Try to accept an incoming connection
|
||||
int client_sock = socket_accept(server_sock);
|
||||
if(client_sock == -1) return false;
|
||||
|
||||
printf("Got client: %d\n", client_sock);
|
||||
|
||||
// Any data? This *usually* seems to be available immediately,
|
||||
// so we can dispense with any ongoing polling and hope for the best.
|
||||
avail_length = wireless.avail_data(client_sock);
|
||||
if(avail_length == 0) return false;
|
||||
|
||||
printf("Got request: %i bytes\n", avail_length);
|
||||
|
||||
// Read the full response
|
||||
// Sometimes the bytes read is less than the bytes we request, so loop until we get the data we expect
|
||||
while(request_length < avail_length) {
|
||||
uint16_t read_length = avail_length; // Request the full buffer
|
||||
wireless.get_data_buf(client_sock, request_buf + request_length, &read_length);
|
||||
request_length += read_length; // Increment the response_length by the amount we actually read
|
||||
|
||||
// Also check for timeouts here, too
|
||||
if(millis() - t_start >= timeout) break;
|
||||
}
|
||||
|
||||
// Bail if we timed out.
|
||||
if(millis() - t_start >= timeout) {
|
||||
wireless.stop_client(client_sock);
|
||||
};
|
||||
|
||||
if(request_length > 0) {
|
||||
std::vector<std::string_view> request = split(std::string_view((char *)request_buf, request_length));
|
||||
std::vector<std::string_view> request_body;
|
||||
std::vector<std::string_view> request_detail = split(request[0], " ");
|
||||
http_request_method_t method;
|
||||
|
||||
// Bail early on an invalid HTTP request
|
||||
if(request_detail[0].compare("POST") == 0) {
|
||||
method = POST;
|
||||
} else if (request_detail[0].compare("GET") == 0) {
|
||||
method = GET;
|
||||
} else { // PUT, DELETE, HEAD?
|
||||
// Return a 501 unimplemented
|
||||
wireless.send_data(client_sock, (const uint8_t *)response_501.data(), response_501.length());
|
||||
wireless.stop_client(client_sock);
|
||||
return false;
|
||||
}
|
||||
|
||||
// Get the request path so we can handle routes
|
||||
std::string_view path = request_detail[1];
|
||||
|
||||
// Scan for the blank line indicating content start for form post data
|
||||
auto body_start = std::find(request.begin(), request.end(), "");
|
||||
|
||||
// Split the body from the head (ow!)
|
||||
if(body_start != request.end()) {
|
||||
request_body = std::vector<std::string_view>(body_start + 1, request.end());
|
||||
request = std::vector<std::string_view>(request.begin(), body_start);
|
||||
}
|
||||
|
||||
std::string response_head;
|
||||
std::string content_type = "text/html";
|
||||
|
||||
http_response_t response = request_handler(method, path, request, request_body);
|
||||
|
||||
switch(response.content_type) {
|
||||
case TEXT_HTML:
|
||||
content_type = "text/html";
|
||||
break;
|
||||
case IMAGE_SVG:
|
||||
content_type = "image/svg+xml";
|
||||
break;
|
||||
}
|
||||
|
||||
if(response.response_code == 200) {
|
||||
response_head = "HTTP/1.1 200 OK\nContent-Length: " + std::to_string(response.response_body.length()) + "\nContent-Type: " + content_type + "\n\n";
|
||||
} else { // Assume 404
|
||||
response_head = "HTTP/1.1 404 File Not Found\nContent-Length: 22\nContent-Type: " + content_type + "\n\n";
|
||||
}
|
||||
|
||||
wireless.send_data(client_sock, (const uint8_t *)response_head.data(), response_head.length());
|
||||
|
||||
uint16_t chunks = (response.response_body.length() / HTTP_RESPONSE_CHUNK_SIZE) + 1;
|
||||
for(auto chunk = 0u; chunk < chunks; chunk++) {
|
||||
uint16_t offset = chunk * HTTP_RESPONSE_CHUNK_SIZE;
|
||||
uint16_t length = std::min(response.response_body.length() - offset, HTTP_RESPONSE_CHUNK_SIZE);
|
||||
if(length == 0) break;
|
||||
wireless.send_data(client_sock, (const uint8_t *)response.response_body.data() + offset, length);
|
||||
sleep_ms(1);
|
||||
}
|
||||
|
||||
wireless.stop_client(client_sock);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
int main() {
|
||||
stdio_init_all();
|
||||
|
||||
fr = f_mount(&fs, "", 1);
|
||||
if (fr != FR_OK) {
|
||||
printf("Failed to mount SD card, error: %d\n", fr);
|
||||
return 0;
|
||||
}
|
||||
|
||||
FILINFO file;
|
||||
auto dir = new DIR();
|
||||
printf("Listing /\n");
|
||||
f_opendir(dir, "/");
|
||||
while(f_readdir(dir, &file) == FR_OK && file.fname[0]) {
|
||||
printf("%s %d\n", file.fname, file.fsize);
|
||||
}
|
||||
f_closedir(dir);
|
||||
|
||||
wireless.init();
|
||||
sleep_ms(500);
|
||||
|
||||
printf("Firmware version Nina %s\n", wireless.get_fw_version());
|
||||
|
||||
if(!wifi_connect(NETWORK, PASSWORD, USE_DNS)) {
|
||||
return 0;
|
||||
}
|
||||
|
||||
uint8_t server_sock = start_server(HTTP_PORT);
|
||||
|
||||
g = 255;
|
||||
wireless.set_led(r, g, b);
|
||||
|
||||
while(1) {
|
||||
// Handle any incoming HTTP requests
|
||||
poll_http_requests(server_sock, [](
|
||||
http_request_method_t request_method,
|
||||
std::string_view request_path,
|
||||
std::vector<std::string_view> request_head,
|
||||
std::vector<std::string_view> request_body) -> http_response_t {
|
||||
|
||||
http_response_t response;
|
||||
response.response_body = "Nothing to see here...";
|
||||
response.response_code = 404;
|
||||
|
||||
printf("Request path: \"%s\"\n", std::string(request_path).c_str());
|
||||
|
||||
// Only serve HTML files!
|
||||
if (has_suffix(request_path, ".html")) {
|
||||
fr = f_open(&fil, std::string(request_path).c_str(), FA_READ);
|
||||
if(fr == FR_OK) {
|
||||
size_t read = 0;
|
||||
f_read(&fil, response_buf, HTTP_RESPONSE_BUF_SIZE, &read);
|
||||
f_close(&fil);
|
||||
response.response_body = std::string_view((char*)response_buf, read);
|
||||
response.response_code = 200;
|
||||
}
|
||||
// And, maybe SVG!?
|
||||
} else if (has_suffix(request_path, ".svg")) {
|
||||
fr = f_open(&fil, std::string(request_path).c_str(), FA_READ);
|
||||
if(fr == FR_OK) {
|
||||
size_t read = 0;
|
||||
f_read(&fil, response_buf, HTTP_RESPONSE_BUF_SIZE, &read);
|
||||
f_close(&fil);
|
||||
response.response_body = std::string_view((char*)response_buf, read);
|
||||
response.response_code = 200;
|
||||
response.content_type = IMAGE_SVG;
|
||||
}
|
||||
/// Oooh! Directory listings...
|
||||
} else if (has_suffix(request_path, "/")) {
|
||||
FILINFO file;
|
||||
auto dir = new DIR();
|
||||
printf("Listing directory: %s\n", std::string(request_path).c_str());
|
||||
f_opendir(dir, std::string(request_path).c_str());
|
||||
uint16_t offset = 0u;
|
||||
while(f_readdir(dir, &file) == FR_OK && file.fname[0]) {
|
||||
std::string filename = std::string(file.fname);
|
||||
if(!has_suffix(filename, ".svg") && !has_suffix(filename, ".html")) continue;
|
||||
snprintf((char *)response_buf + offset, (size_t)HTTP_RESPONSE_BUF_SIZE - offset, "<li><a href=\"%s%s\">%s</a>", std::string(request_path).c_str(), file.fname, file.fname);
|
||||
offset += filename.length() * 2 + 20 + request_path.length(); // Ugh
|
||||
}
|
||||
f_closedir(dir);
|
||||
response.response_body = std::string_view((char*)response_buf, offset);
|
||||
response.response_code = 200;
|
||||
}
|
||||
|
||||
return response;
|
||||
|
||||
|
||||
});
|
||||
sleep_ms(10);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
Ładowanie…
Reference in New Issue