SD Card Alpha Sorting
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
parent
2f9ed1777d
commit
0cbbba08bd
@ -292,6 +292,7 @@
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#define SD_FINISHED_STEPPERRELEASE true //if sd support and the file is finished: disable steppers?
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#define SD_FINISHED_RELEASECOMMAND "M84 X Y Z E" // You might want to keep the z enabled so your bed stays in place.
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#define SDCARD_SORT_ALPHA // Sort in ASCII order by pre-reading the folder and making a lookup table!
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#define SDCARD_RATHERRECENTFIRST //reverse file order of sd card menu display. Its sorted practically after the file system block order.
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// if a file is deleted, it frees a block. hence, the order is not purely chronological. To still have auto0.g accessible, there is again the option to do that.
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// using:
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@ -111,10 +111,12 @@ uint8_t const SOFT_SPI_SCK_PIN = 13;
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/**
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* Defines for long (vfat) filenames
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*/
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/** Number of UTF-16 characters per entry */
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#define FILENAME_LENGTH 13
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/** Number of VFAT entries used. Every entry has 13 UTF-16 characters */
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#define MAX_VFAT_ENTRIES (2)
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/** Total size of the buffer used to store the long filenames */
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#define LONG_FILENAME_LENGTH (13*MAX_VFAT_ENTRIES+1)
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#define LONG_FILENAME_LENGTH (FILENAME_LENGTH*MAX_VFAT_ENTRIES+1)
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#endif // SdFatConfig_h
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@ -11,6 +11,10 @@
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CardReader::CardReader()
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{
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#if SORT_USES_MORE_RAM
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sortnames = NULL;
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sort_count = 0;
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#endif
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filesize = 0;
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sdpos = 0;
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sdprinting = false;
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@ -55,13 +59,13 @@ void CardReader::lsDive(const char *prepend,SdFile parent)
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dir_t p;
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uint8_t cnt=0;
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while (parent.readDir(p, longFilename) > 0)
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while (parent.readDir(p, diveFilename) > 0)
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{
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if( DIR_IS_SUBDIR(&p) && lsAction!=LS_Count && lsAction!=LS_GetFilename) // hence LS_SerialPrint
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{
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char path[13*2];
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char lfilename[13];
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char path[FILENAME_LENGTH*2];
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char lfilename[FILENAME_LENGTH];
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createFilename(lfilename,p);
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path[0]=0;
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@ -87,15 +91,13 @@ void CardReader::lsDive(const char *prepend,SdFile parent)
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}
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lsDive(path,dir);
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//close done automatically by destructor of SdFile
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}
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else
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{
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if (p.name[0] == DIR_NAME_FREE) break;
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if (p.name[0] == DIR_NAME_DELETED || p.name[0] == '.'|| p.name[0] == '_') continue;
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if (longFilename[0] != '\0' &&
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(longFilename[0] == '.' || longFilename[0] == '_')) continue;
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if (diveFilename[0] != '\0' &&
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(diveFilename[0] == '.' || diveFilename[0] == '_')) continue;
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if ( p.name[0] == '.')
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{
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if ( p.name[1] != '.')
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@ -105,7 +107,6 @@ void CardReader::lsDive(const char *prepend,SdFile parent)
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if (!DIR_IS_FILE_OR_SUBDIR(&p)) continue;
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filenameIsDir=DIR_IS_SUBDIR(&p);
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if(!filenameIsDir)
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{
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if(p.name[8]!='G') continue;
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@ -124,10 +125,8 @@ void CardReader::lsDive(const char *prepend,SdFile parent)
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}
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else if(lsAction==LS_GetFilename)
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{
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if(cnt==nrFiles)
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return;
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if (cnt == nrFiles) return;
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cnt++;
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}
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}
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}
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@ -136,9 +135,6 @@ void CardReader::lsDive(const char *prepend,SdFile parent)
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void CardReader::ls()
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{
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lsAction=LS_SerialPrint;
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if(lsAction==LS_Count)
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nrFiles=0;
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root.rewind();
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lsDive("",root);
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}
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@ -177,6 +173,9 @@ void CardReader::initsd()
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}
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workDir=root;
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curDir=&root;
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#ifdef SDCARD_SORT_ALPHA
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presort();
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#endif
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/*
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if(!workDir.openRoot(&volume))
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{
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@ -193,8 +192,10 @@ void CardReader::setroot()
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SERIAL_ECHOLNPGM(MSG_SD_WORKDIR_FAIL);
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}*/
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workDir=root;
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curDir=&workDir;
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#ifdef SDCARD_SORT_ALPHA
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presort();
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#endif
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}
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void CardReader::release()
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{
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@ -235,7 +236,7 @@ void CardReader::getAbsFilename(char *t)
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while(*t!=0 && cnt< MAXPATHNAMELENGTH)
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{t++;cnt++;} //crawl counter forward.
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}
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if(cnt<MAXPATHNAMELENGTH-13)
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if(cnt<MAXPATHNAMELENGTH-FILENAME_LENGTH)
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file.getFilename(t);
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else
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t[0]=0;
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@ -305,7 +306,7 @@ void CardReader::openFile(char* name,bool read, bool replace_current/*=true*/)
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//SERIAL_ECHO("end :");SERIAL_ECHOLN((int)(dirname_end-name));
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if(dirname_end>0 && dirname_end>dirname_start)
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{
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char subdirname[13];
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char subdirname[FILENAME_LENGTH];
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strncpy(subdirname, dirname_start, dirname_end-dirname_start);
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subdirname[dirname_end-dirname_start]=0;
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SERIAL_ECHOLN(subdirname);
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@ -401,7 +402,7 @@ void CardReader::removeFile(char* name)
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//SERIAL_ECHO("end :");SERIAL_ECHOLN((int)(dirname_end-name));
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if(dirname_end>0 && dirname_end>dirname_start)
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{
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char subdirname[13];
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char subdirname[FILENAME_LENGTH];
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strncpy(subdirname, dirname_start, dirname_end-dirname_start);
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subdirname[dirname_end-dirname_start]=0;
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SERIAL_ECHOLN(subdirname);
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@ -439,6 +440,9 @@ void CardReader::removeFile(char* name)
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SERIAL_PROTOCOLPGM("File deleted:");
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SERIAL_PROTOCOLLN(fname);
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sdpos = 0;
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#ifdef SDCARD_SORT_ALPHA
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presort();
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#endif
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}
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else
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{
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@ -595,6 +599,9 @@ void CardReader::chdir(const char * relpath)
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workDirParents[0]=*parent;
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}
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workDir=newfile;
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#ifdef SDCARD_SORT_ALPHA
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presort();
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#endif
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}
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}
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@ -604,12 +611,144 @@ void CardReader::updir()
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{
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--workDirDepth;
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workDir = workDirParents[0];
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int d;
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for (int d = 0; d < workDirDepth; d++)
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workDirParents[d] = workDirParents[d+1];
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#ifdef SDCARD_SORT_ALPHA
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presort();
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#endif
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}
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}
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#ifdef SDCARD_SORT_ALPHA
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/**
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* Get the name of a file in the current directory by sort-index
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*/
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void CardReader::getfilename_sorted(const uint8_t nr) {
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#if SORT_USES_MORE_RAM
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getfilename(nr < sort_count ? sort_order[nr] : nr);
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#else
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getfilename(nr < SORT_LIMIT ? sort_order[nr] : nr);
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#endif
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}
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/**
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* Read all the files and produce a sort key
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*
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* We can do this in 3 ways...
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* - Minimal RAM: Read two filenames at a time sorting along...
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* - Some RAM: Buffer the directory and return filenames from RAM
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* - Some RAM: Buffer the directory just for this sort
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*/
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void CardReader::presort()
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{
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#if SORT_USES_MORE_RAM
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flush_presort();
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#endif
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uint16_t fileCnt = getnrfilenames();
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if (fileCnt > 0) {
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if (fileCnt > SORT_LIMIT) fileCnt = SORT_LIMIT;
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#if SORT_USES_MORE_RAM
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sortnames = malloc(fileCnt * sizeof(char*));
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sort_count = fileCnt;
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#elif SORT_USES_RAM
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char *sortnames[fileCnt];
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#if FOLDER_SORTING != 0
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uint8_t isdir[fileCnt];
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#endif
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#else
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char sortname[LONG_FILENAME_LENGTH+1];
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#endif
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if (fileCnt > 1) {
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// Init sort order [and get filenames]
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for (int i=0; i<fileCnt; i++) {
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int byte=i/8, bit=1<<(i%8);
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sort_order[i] = i;
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#if SORT_USES_RAM
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getfilename(i);
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char *name = diveFilename[0] ? diveFilename : filename;
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// SERIAL_ECHOPGM("--- ");
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// SERIAL_ECHOLN(name);
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sortnames[i] = (char*)malloc(strlen(name) + 1);
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strcpy(sortnames[i], name);
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#if FOLDER_SORTING != 0
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isdir[i] = filenameIsDir;
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#endif
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#endif
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}
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// Bubble Sort
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for (uint8_t i=fileCnt; --i;) {
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bool cmp, didSwap = false;
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for (uint8_t j=0; j<i; ++j) {
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int s1 = j, s2 = j+1, o1 = sort_order[s1], o2 = sort_order[s2];
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#if SORT_USES_RAM
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#if FOLDER_SORTING != 0
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cmp = (isdir[o1] == isdir[o2]) ? (strcasecmp(sortnames[o1], sortnames[o2]) > 0) : isdir[FOLDER_SORTING > 0 ? o1 : o2];
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#else
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cmp = strcasecmp(sortnames[o1], sortnames[o2]) > 0);
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#endif
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#else
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getfilename(o1);
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#if FOLDER_SORTING != 0
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bool dir1 = filenameIsDir;
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#endif
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char *name = diveFilename[0] ? diveFilename : filename;
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strcpy(sortname, name);
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getfilename(o2);
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name = diveFilename[0] ? diveFilename : filename;
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#if FOLDER_SORTING != 0
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cmp = (dir1 == filenameIsDir) ? (strcasecmp(sortname, name) > 0) : (FOLDER_SORTING > 0 ? dir1 : !dir1);
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#else
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cmp = strcasecmp(sortname, name) > 0);
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#endif
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#endif
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if (cmp) {
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// SERIAL_ECHOPGM("Swap ");
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// SERIAL_ECHOLN(sortnames[o1]);
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// SERIAL_ECHOPGM(" for ");
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// SERIAL_ECHOLN(sortnames[o2]);
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sort_order[s1] = o2;
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sort_order[s2] = o1;
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didSwap = true;
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}
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}
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if (!didSwap) break;
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}
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#if SORT_USES_RAM && !SORT_USES_MORE_RAM
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for (int i=0; i < fileCnt; ++i) free(sortnames[i]);
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#endif
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}
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else {
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sort_order[0] = 0;
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}
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}
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}
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void CardReader::flush_presort() {
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#if SORT_USES_MORE_RAM
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if (sort_count > 0) {
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for (int i=0; i < sort_count; ++i) {
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free(sortnames[i]);
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sort_order[i] = i;
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}
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free(sortnames);
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sortnames = NULL;
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sort_count = 0;
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}
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#else
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for (int i=SORT_LIMIT; --i;) sort_order[i] = i;
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#endif
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}
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#endif
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void CardReader::printingHasFinished()
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{
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@ -3,7 +3,11 @@
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#ifdef SDSUPPORT
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#define MAX_DIR_DEPTH 10
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#define MAX_DIR_DEPTH 10 // Maximum folder depth
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#define SORT_USES_RAM false // Buffer while sorting, else re-read from SD
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#define SORT_USES_MORE_RAM false // Always keep the directory in RAM
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#define SORT_LIMIT 256 // Maximum number of sorted items
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#define FOLDER_SORTING -1 // -1=above 0=none 1=below
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#include "SdFile.h"
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enum LsAction {LS_SerialPrint,LS_Count,LS_GetFilename};
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@ -39,6 +43,12 @@ public:
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void updir();
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void setroot();
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#ifdef SDCARD_SORT_ALPHA
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void presort();
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void flush_presort();
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void getfilename_sorted(const uint8_t nr);
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#endif
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FORCE_INLINE bool isFileOpen() { return file.isOpen(); }
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FORCE_INLINE bool eof() { return sdpos>=filesize ;};
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@ -52,18 +62,26 @@ public:
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bool logging;
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bool sdprinting ;
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bool cardOK;
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char filename[13];
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char longFilename[LONG_FILENAME_LENGTH];
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char filename[FILENAME_LENGTH];
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char diveFilename[LONG_FILENAME_LENGTH];
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bool filenameIsDir;
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int lastnr; //last number of the autostart;
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private:
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SdFile root,*curDir,workDir,workDirParents[MAX_DIR_DEPTH];
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uint16_t workDirDepth;
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#ifdef SDCARD_SORT_ALPHA
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#if SORT_USES_MORE_RAM
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uint16_t sort_count;
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char **sortnames;
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#else
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uint8_t sort_order[SORT_LIMIT];
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#endif
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#endif
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Sd2Card card;
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SdVolume volume;
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SdFile file;
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#define SD_PROCEDURE_DEPTH 1
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#define MAXPATHNAMELENGTH (13*MAX_DIR_DEPTH+MAX_DIR_DEPTH+1)
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#define MAXPATHNAMELENGTH (FILENAME_LENGTH*MAX_DIR_DEPTH+MAX_DIR_DEPTH+1)
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uint8_t file_subcall_ctr;
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uint32_t filespos[SD_PROCEDURE_DEPTH];
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char filenames[SD_PROCEDURE_DEPTH][MAXPATHNAMELENGTH];
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@ -1004,16 +1004,23 @@ void lcd_sdcard_menu()
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{
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if (_menuItemNr == _lineNr)
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{
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#ifndef SDCARD_RATHERRECENTFIRST
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card.getfilename(i);
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#if defined(SDCARD_RATHERRECENTFIRST) && !defined(SDCARD_SORT_ALPHA)
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int nr = fileCnt-1-i;
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#else
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card.getfilename(fileCnt-1-i);
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int nr = i;
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#endif
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if (card.filenameIsDir)
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{
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MENU_ITEM(sddirectory, MSG_CARD_MENU, card.filename, card.longFilename);
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}else{
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MENU_ITEM(sdfile, MSG_CARD_MENU, card.filename, card.longFilename);
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#ifdef SDCARD_SORT_ALPHA
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card.getfilename_sorted(nr);
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#else
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card.getfilename(nr);
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#endif
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if (card.filenameIsDir) {
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MENU_ITEM(sddirectory, MSG_CARD_MENU, card.filename, card.diveFilename);
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}
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else {
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MENU_ITEM(sdfile, MSG_CARD_MENU, card.filename, card.diveFilename);
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}
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}else{
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MENU_ITEM_DUMMY();
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