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@ -30,7 +30,17 @@
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#if ENABLED(SDSUPPORT)
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#define LONGEST_FILENAME (longFilename[0] ? longFilename : filename)
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CardReader::CardReader() {
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#if ENABLED(SDCARD_SORT_ALPHA)
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sort_count = 0;
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#if ENABLED(SDSORT_GCODE)
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sort_alpha = true;
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sort_folders = FOLDER_SORTING;
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//sort_reverse = false;
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#endif
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#endif
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sdprinting = cardOK = saving = logging = false;
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filesize = 0;
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sdpos = 0;
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@ -243,6 +253,9 @@ void CardReader::initsd() {
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}
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workDir = root;
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curDir = &root;
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#if ENABLED(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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SERIAL_ECHOLNPGM(MSG_SD_WORKDIR_FAIL);
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@ -256,6 +269,9 @@ void CardReader::setroot() {
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}*/
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workDir = root;
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curDir = &workDir;
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#if ENABLED(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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@ -272,7 +288,12 @@ void CardReader::openAndPrintFile(const char *name) {
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}
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void CardReader::startFileprint() {
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if (cardOK) sdprinting = true;
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if (cardOK) {
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sdprinting = true;
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#if ENABLED(SDCARD_SORT_ALPHA)
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flush_presort();
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#endif
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}
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}
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void CardReader::stopSDPrint() {
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@ -463,6 +484,9 @@ 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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#if ENABLED(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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SERIAL_PROTOCOLPGM("Deletion failed, File: ");
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@ -551,6 +575,20 @@ void CardReader::closefile(bool store_location) {
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* Get the name of a file in the current directory by index
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*/
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void CardReader::getfilename(uint16_t nr, const char * const match/*=NULL*/) {
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#if ENABLED(SDSORT_CACHE_NAMES)
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if (match != NULL) {
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while (nr < sort_count) {
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if (strcasecmp(match, sortshort[nr]) == 0) break;
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nr++;
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}
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}
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if (nr < sort_count) {
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strcpy(filename, sortshort[nr]);
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strcpy(longFilename, sortnames[nr]);
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filenameIsDir = TEST(isDir[nr>>3], nr & 0x07);
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return;
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}
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#endif // SDSORT_CACHE_NAMES
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curDir = &workDir;
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lsAction = LS_GetFilename;
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nrFiles = nr;
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@ -583,14 +621,186 @@ void CardReader::chdir(const char * relpath) {
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if (workDirDepth < MAX_DIR_DEPTH)
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workDirParents[workDirDepth++] = *parent;
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workDir = newfile;
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#if ENABLED(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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void CardReader::updir() {
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if (workDirDepth > 0)
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if (workDirDepth > 0) {
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workDir = workDirParents[--workDirDepth];
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#if ENABLED(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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#if ENABLED(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 uint16_t nr) {
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getfilename(
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#if ENABLED(SDSORT_GCODE)
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sort_alpha &&
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#endif
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(nr < sort_count) ? sort_order[nr] : nr
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);
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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 just for this sort
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* - Most RAM: Buffer the directory and return filenames from RAM
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*/
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void CardReader::presort() {
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// Sorting may be turned off
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#if ENABLED(SDSORT_GCODE)
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if (!sort_alpha) return;
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#endif
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// Throw away old sort index
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flush_presort();
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// If there are files, sort up to the limit
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uint16_t fileCnt = getnrfilenames();
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if (fileCnt > 0) {
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// Never sort more than the max allowed
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// If you use folders to organize, 20 may be enough
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if (fileCnt > SDSORT_LIMIT) fileCnt = SDSORT_LIMIT;
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// Use RAM to store the entire directory during pre-sort.
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// SDSORT_LIMIT should be set to prevent over-allocation.
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#if ENABLED(SDSORT_USES_RAM)
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#if ENABLED(SDSORT_USES_STACK)
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#if DISABLED(SDSORT_CACHE_NAMES)
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char sortnames[fileCnt][LONG_FILENAME_LENGTH];
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#endif
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// Folder sorting needs 1 bit per entry for flags.
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#if HAS_FOLDER_SORTING
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uint8_t isDir[(fileCnt + 7) >> 3];
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#endif
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#endif
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#else // !SDSORT_USES_RAM
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// By default re-read the names from SD for every compare
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// retaining only two filenames at a time. This is very
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// slow but is safest and uses minimal RAM.
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char name1[LONG_FILENAME_LENGTH + 1];
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#endif
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if (fileCnt > 1) {
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// Init sort order.
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for (uint16_t i = 0; i < fileCnt; i++) {
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sort_order[i] = i;
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// If using RAM then read all filenames now.
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#if ENABLED(SDSORT_USES_RAM)
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getfilename(i);
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strcpy(sortnames[i], LONGEST_FILENAME);
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#if ENABLED(SDSORT_CACHE_NAMES)
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strcpy(sortshort[i], filename);
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#endif
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// char out[30];
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// sprintf_P(out, PSTR("---- %i %s %s"), i, filenameIsDir ? "D" : " ", sortnames[i]);
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// SERIAL_ECHOLN(out);
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#if HAS_FOLDER_SORTING
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const uint16_t bit = i & 0x07, ind = i >> 3;
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if (bit == 0) isDir[ind] = 0x00;
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if (filenameIsDir) isDir[ind] |= _BV(bit);
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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 (uint16_t i = fileCnt; --i;) {
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bool didSwap = false;
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for (uint16_t j = 0; j < i; ++j) {
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const uint16_t o1 = sort_order[j], o2 = sort_order[j + 1];
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// Compare names from the array or just the two buffered names
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#if ENABLED(SDSORT_USES_RAM)
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#define _SORT_CMP_NODIR() (strcasecmp(sortnames[o1], sortnames[o2]) > 0)
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#else
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#define _SORT_CMP_NODIR() (strcasecmp(name1, name2) > 0)
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#endif
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#if HAS_FOLDER_SORTING
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#if ENABLED(SDSORT_USES_RAM)
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// Folder sorting needs an index and bit to test for folder-ness.
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const uint8_t ind1 = o1 >> 3, bit1 = o1 & 0x07,
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ind2 = o2 >> 3, bit2 = o2 & 0x07;
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#define _SORT_CMP_DIR(fs) \
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(((isDir[ind1] & _BV(bit1)) != 0) == ((isDir[ind2] & _BV(bit2)) != 0) \
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? _SORT_CMP_NODIR() \
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: (isDir[fs > 0 ? ind1 : ind2] & (fs > 0 ? _BV(bit1) : _BV(bit2))) != 0)
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#else
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#define _SORT_CMP_DIR(fs) ((dir1 == filenameIsDir) ? _SORT_CMP_NODIR() : (fs > 0 ? dir1 : !dir1))
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#endif
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#endif
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// The most economical method reads names as-needed
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// throughout the loop. Slow if there are many.
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#if DISABLED(SDSORT_USES_RAM)
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getfilename(o1);
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strcpy(name1, LONGEST_FILENAME); // save (or getfilename below will trounce it)
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#if HAS_FOLDER_SORTING
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bool dir1 = filenameIsDir;
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#endif
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getfilename(o2);
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char *name2 = LONGEST_FILENAME; // use the string in-place
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#endif // !SDSORT_USES_RAM
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// Sort the current pair according to settings.
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if (
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#if HAS_FOLDER_SORTING
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#if ENABLED(SDSORT_GCODE)
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sort_folders ? _SORT_CMP_DIR(sort_folders) : _SORT_CMP_NODIR()
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#else
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_SORT_CMP_DIR(FOLDER_SORTING)
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#endif
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#else
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_SORT_CMP_NODIR()
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#endif
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) {
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sort_order[j] = o2;
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sort_order[j + 1] = 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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}
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else {
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sort_order[0] = 0;
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#if ENABLED(SDSORT_USES_RAM) && ENABLED(SDSORT_CACHE_NAMES)
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getfilename(0);
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strcpy(sortnames[0], LONGEST_FILENAME);
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strcpy(sortshort[0], filename);
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isDir[0] = filenameIsDir ? 0x01 : 0x00;
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#endif
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}
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sort_count = fileCnt;
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}
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}
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void CardReader::flush_presort() {
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sort_count = 0;
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}
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#endif // SDCARD_SORT_ALPHA
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void CardReader::printingHasFinished() {
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stepper.synchronize();
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file.close();
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@ -607,6 +817,9 @@ void CardReader::printingHasFinished() {
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print_job_timer.stop();
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if (print_job_timer.duration() > 60)
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enqueue_and_echo_commands_P(PSTR("M31"));
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#if ENABLED(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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Scott Lahteine
7 years ago