Improvements, more SORT_USES_MORE_RAM
With this option, always keeps the dir in RAM, doubling as a cache for getfilename. A board with only 8K of SRAM is cutting it very close.
This commit is contained in:
Scott Lahteine
parent
2b54eeb897
commit
725ba8d01e
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@ -11,8 +11,7 @@
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CardReader::CardReader()
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{
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#if defined(SDCARD_SORT_ALPHA) && SORT_USES_MORE_RAM
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sortnames = NULL;
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#ifdef SDCARD_SORT_ALPHA
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sort_count = 0;
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#endif
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filesize = 0;
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@ -37,19 +36,15 @@ CardReader::CardReader()
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autostart_atmillis=millis()+5000;
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}
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char *createFilename(char *buffer,const dir_t &p) //buffer>12characters
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char *createFilename(char *buffer, const dir_t &p) //buffer>12characters
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{
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char *pos=buffer;
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for (uint8_t i = 0; i < 11; i++)
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{
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if (p.name[i] == ' ')continue;
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if (i == 8)
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{
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*pos++='.';
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for (uint8_t i = 0; i < 11; i++) {
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if (p.name[i] == ' ') continue;
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if (i == 8) *pos++ = '.';
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*pos++ = p.name[i];
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}
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*pos++=p.name[i];
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}
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*pos++=0;
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*pos++ = 0;
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return buffer;
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}
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@ -59,7 +54,7 @@ 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, diveFilename) > 0)
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while (parent.readDir(p, longFilename) > 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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@ -96,8 +91,8 @@ void CardReader::lsDive(const char *prepend,SdFile parent)
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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 (diveFilename[0] != '\0' &&
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(diveFilename[0] == '.' || diveFilename[0] == '_')) continue;
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if (longFilename[0] != '\0' &&
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(longFilename[0] == '.' || longFilename[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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@ -556,21 +551,20 @@ void CardReader::closefile(bool store_location)
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}
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void CardReader::getfilename(const uint8_t nr)
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void CardReader::getfilename(const uint16_t nr)
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{
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#if defined(SDCARD_SORT_ALPHA) && SORT_USES_MORE_RAM
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#if defined(SDCARD_SORT_ALPHA) && SORT_USES_RAM && SORT_USES_MORE_RAM
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if (nr < sort_count) {
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strcpy(diveFilename, sortnames[nr]);
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strcpy(longFilename, sortnames[nr]);
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filenameIsDir = isDir[nr];
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return;
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}
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#endif
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curDir=&workDir;
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lsAction=LS_GetFilename;
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nrFiles=nr;
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curDir->rewind();
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lsDive("",*curDir);
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}
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uint16_t CardReader::getnrfilenames()
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@ -631,12 +625,8 @@ void CardReader::updir()
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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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void CardReader::getfilename_sorted(const uint16_t nr) {
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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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@ -656,68 +646,73 @@ void CardReader::presort()
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if (fileCnt > SORT_LIMIT) fileCnt = SORT_LIMIT;
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#if SORT_USES_RAM
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#if SORT_USES_MORE_RAM
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sortnames = (char**)malloc(fileCnt * sizeof(char*));
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sort_count = fileCnt;
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#elif SORT_USES_RAM
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sortnames = (char**)calloc(fileCnt, sizeof(char*));
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#else
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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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char name1[LONG_FILENAME_LENGTH+1];
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#endif
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#if FOLDER_SORTING != 0
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#if SORT_USES_RAM && SORT_USES_MORE_RAM
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isDir = (uint8_t*)calloc(fileCnt, sizeof(uint8_t));
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#else
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uint8_t isDir[fileCnt];
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#endif
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#endif
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sort_count = fileCnt;
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sort_order = new uint8_t[fileCnt];
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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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// Init sort order. If using RAM then read all filenames now.
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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 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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sortnames[i] = strdup(longFilename[0] ? longFilename : filename);
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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 FOLDER_SORTING != 0
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isdir[i] = filenameIsDir;
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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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for (uint16_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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for (uint16_t j=0; j<i; ++j) {
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uint16_t 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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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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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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strcpy(name1, longFilename[0] ? longFilename : filename);
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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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char *name2 = longFilename[0] ? longFilename : 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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cmp = (dir1 == filenameIsDir) ? (strcasecmp(name1, name2) > 0) : (FOLDER_SORTING > 0 ? dir1 : !dir1);
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#else
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cmp = strcasecmp(sortname, name) > 0);
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cmp = strcasecmp(name1, name2) > 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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// char out[LONG_FILENAME_LENGTH*2+20];
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// sprintf_P(out, PSTR("Swap %i %s for %i %s"), o1, sortnames[o1], o2, sortnames[o2]);
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// SERIAL_ECHOLN(out);
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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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@ -727,30 +722,32 @@ void CardReader::presort()
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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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for (uint16_t 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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#if SORT_USES_RAM && SORT_USES_MORE_RAM
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sortnames = (char**)malloc(sizeof(char*));
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isDir = (uint8_t*)malloc(sizeof(uint8_t));
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getfilename(0);
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sortnames[0] = strdup(longFilename[0] ? longFilename : filename);
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isDir[0] = filenameIsDir;
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#endif
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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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#if SORT_USES_RAM && SORT_USES_MORE_RAM
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for (uint8_t i=0; i<sort_count; ++i) free(sortnames[i]);
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free(sortnames);
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sortnames = NULL;
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#endif
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delete sort_order;
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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 // SDCARD_SORT_ALPHA
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@ -6,7 +6,7 @@
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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 SORT_LIMIT 64 // 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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@ -32,7 +32,7 @@ public:
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void getStatus();
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void printingHasFinished();
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void getfilename(const uint8_t nr);
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void getfilename(const uint16_t nr);
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uint16_t getnrfilenames();
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void getAbsFilename(char *t);
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@ -46,7 +46,7 @@ public:
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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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void getfilename_sorted(const uint16_t nr);
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#endif
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@ -60,21 +60,21 @@ public:
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public:
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bool saving;
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bool logging;
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bool sdprinting ;
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bool sdprinting;
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bool cardOK;
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char filename[FILENAME_LENGTH];
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char diveFilename[LONG_FILENAME_LENGTH];
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char longFilename[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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uint8_t *sort_order;
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#if SORT_USES_MORE_RAM
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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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uint8_t *isDir;
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#endif
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#endif
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Sd2Card card;
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@ -93,7 +93,7 @@ private:
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bool autostart_stilltocheck; //the sd start is delayed, because otherwise the serial cannot answer fast enought to make contact with the hostsoftware.
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LsAction lsAction; //stored for recursion.
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int16_t nrFiles; //counter for the files in the current directory and recycled as position counter for getting the nrFiles'th name in the directory.
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uint16_t nrFiles; //counter for the files in the current directory and recycled as position counter for getting the nrFiles'th name in the directory.
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char* diveDirName;
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void lsDive(const char *prepend,SdFile parent);
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};
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@ -996,10 +996,10 @@ void lcd_sdcard_menu()
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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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MENU_ITEM(sddirectory, MSG_CARD_MENU, card.filename, card.longFilename);
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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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MENU_ITEM(sdfile, MSG_CARD_MENU, card.filename, card.longFilename);
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}
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}else{
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MENU_ITEM_DUMMY();
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