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SD Card Alpha Sorting

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First iteration of alphabetical sorting for SD cards, both
slow+efficient and fast+rammy. Option for folders to sort first, last,
or not at all.
This commit is contained in:
Scott Lahteine
2014-11-24 14:03:20 -08:00
parent 2f9ed1777d
commit 0cbbba08bd
5 changed files with 208 additions and 41 deletions
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28
Marlin/cardreader.h
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@ -3,7 +3,11 @@
#ifdef SDSUPPORT
#define MAX_DIR_DEPTH 10
#define MAX_DIR_DEPTH 10 // Maximum folder depth
#define SORT_USES_RAM false // Buffer while sorting, else re-read from SD
#define SORT_USES_MORE_RAM false // Always keep the directory in RAM
#define SORT_LIMIT 256 // Maximum number of sorted items
#define FOLDER_SORTING -1 // -1=above 0=none 1=below
#include "SdFile.h"
enum LsAction {LS_SerialPrint,LS_Count,LS_GetFilename};
@ -39,6 +43,12 @@ public:
void updir();
void setroot();
#ifdef SDCARD_SORT_ALPHA
void presort();
void flush_presort();
void getfilename_sorted(const uint8_t nr);
#endif
FORCE_INLINE bool isFileOpen() { return file.isOpen(); }
FORCE_INLINE bool eof() { return sdpos>=filesize ;};
@ -51,19 +61,27 @@ public:
bool saving;
bool logging;
bool sdprinting ;
bool cardOK ;
char filename[13];
char longFilename[LONG_FILENAME_LENGTH];
bool cardOK;
char filename[FILENAME_LENGTH];
char diveFilename[LONG_FILENAME_LENGTH];
bool filenameIsDir;
int lastnr; //last number of the autostart;
private:
SdFile root,*curDir,workDir,workDirParents[MAX_DIR_DEPTH];
uint16_t workDirDepth;
#ifdef SDCARD_SORT_ALPHA
#if SORT_USES_MORE_RAM
uint16_t sort_count;
char **sortnames;
#else
uint8_t sort_order[SORT_LIMIT];
#endif
#endif
Sd2Card card;
SdVolume volume;
SdFile file;
#define SD_PROCEDURE_DEPTH 1
#define MAXPATHNAMELENGTH (13*MAX_DIR_DEPTH+MAX_DIR_DEPTH+1)
#define MAXPATHNAMELENGTH (FILENAME_LENGTH*MAX_DIR_DEPTH+MAX_DIR_DEPTH+1)
uint8_t file_subcall_ctr;
uint32_t filespos[SD_PROCEDURE_DEPTH];
char filenames[SD_PROCEDURE_DEPTH][MAXPATHNAMELENGTH];