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scube/Marlin/src/sd/cardreader.cpp

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/**
* Marlin 3D Printer Firmware
* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "../inc/MarlinConfig.h"
#if ENABLED(SDSUPPORT)
#include "cardreader.h"
#include "../Marlin.h"
#include "../lcd/ultralcd.h"
#include "../module/stepper.h"
#include "../module/printcounter.h"
#include "../core/language.h"
#include "../gcode/queue.h"
#include <ctype.h>
#define LONGEST_FILENAME (longFilename[0] ? longFilename : filename)
CardReader::CardReader() {
#if ENABLED(SDCARD_SORT_ALPHA)
sort_count = 0;
#if ENABLED(SDSORT_GCODE)
sort_alpha = true;
sort_folders = FOLDER_SORTING;
//sort_reverse = false;
#endif
#endif
sdprinting = cardOK = saving = logging = false;
filesize = 0;
sdpos = 0;
file_subcall_ctr = 0;
workDirDepth = 0;
ZERO(workDirParents);
autostart_stilltocheck = true; //the SD start is delayed, because otherwise the serial cannot answer fast enough to make contact with the host software.
autostart_index = 0;
//power to SD reader
#if SDPOWER > -1
OUT_WRITE(SDPOWER, HIGH);
#endif // SDPOWER
next_autostart_ms = millis() + 5000;
}
char *createFilename(char *buffer, const dir_t &p) { //buffer > 12characters
char *pos = buffer;
for (uint8_t i = 0; i < 11; i++) {
if (p.name[i] == ' ') continue;
if (i == 8) *pos++ = '.';
*pos++ = p.name[i];
}
*pos++ = 0;
return buffer;
}
/**
* Dive into a folder and recurse depth-first to perform a pre-set operation lsAction:
* LS_Count - Add +1 to nrFiles for every file within the parent
* LS_GetFilename - Get the filename of the file indexed by nrFile_index
* LS_SerialPrint - Print the full path and size of each file to serial output
*/
uint16_t nrFile_index;
void CardReader::lsDive(const char *prepend, SdFile parent, const char * const match/*=NULL*/
#if NUM_SERIAL > 1
, const int8_t port/*= -1*/
#endif
) {
dir_t p;
uint8_t cnt = 0;
// Read the next entry from a directory
while (parent.readDir(p, longFilename) > 0) {
// If the entry is a directory and the action is LS_SerialPrint
if (DIR_IS_SUBDIR(&p) && lsAction != LS_Count && lsAction != LS_GetFilename) {
// Get the short name for the item, which we know is a folder
char lfilename[FILENAME_LENGTH];
createFilename(lfilename, p);
// Allocate enough stack space for the full path to a folder, trailing slash, and nul
bool prepend_is_empty = (prepend[0] == '\0');
int len = (prepend_is_empty ? 1 : strlen(prepend)) + strlen(lfilename) + 1 + 1;
char path[len];
// Append the FOLDERNAME12/ to the passed string.
// It contains the full path to the "parent" argument.
// We now have the full path to the item in this folder.
strcpy(path, prepend_is_empty ? "/" : prepend); // root slash if prepend is empty
strcat(path, lfilename); // FILENAME_LENGTH-1 characters maximum
strcat(path, "/"); // 1 character
// Serial.print(path);
// Get a new directory object using the full path
// and dive recursively into it.
SdFile dir;
if (!dir.open(parent, lfilename, O_READ)) {
if (lsAction == LS_SerialPrint) {
SERIAL_ECHO_START_P(port);
SERIAL_ECHOPGM_P(port, MSG_SD_CANT_OPEN_SUBDIR);
SERIAL_ECHOLN_P(port, lfilename);
}
}
lsDive(path, dir
#if NUM_SERIAL > 1
, NULL, port
#endif
);
// close() is done automatically by destructor of SdFile
}
else {
uint8_t pn0 = p.name[0];
if (pn0 == DIR_NAME_FREE) break;
if (pn0 == DIR_NAME_DELETED || pn0 == '.') continue;
if (longFilename[0] == '.') continue;
if (!DIR_IS_FILE_OR_SUBDIR(&p) || (p.attributes & DIR_ATT_HIDDEN)) continue;
filenameIsDir = DIR_IS_SUBDIR(&p);
if (!filenameIsDir && (p.name[8] != 'G' || p.name[9] == '~')) continue;
switch (lsAction) { // 1 based file count
case LS_Count:
nrFiles++;
break;
case LS_SerialPrint:
createFilename(filename, p);
SERIAL_PROTOCOL_P(port, prepend);
SERIAL_PROTOCOL_P(port, filename);
SERIAL_PROTOCOLCHAR_P(port, ' ');
SERIAL_PROTOCOLLN_P(port, p.fileSize);
break;
case LS_GetFilename:
createFilename(filename, p);
if (match != NULL) {
if (strcasecmp(match, filename) == 0) return;
}
else if (cnt == nrFile_index) return; // 0 based index
cnt++;
break;
}
}
} // while readDir
}
void CardReader::ls(
#if NUM_SERIAL > 1
const int8_t port
#endif
) {
lsAction = LS_SerialPrint;
root.rewind();
lsDive("", root
#if NUM_SERIAL > 1
, NULL, port
#endif
);
}
#if ENABLED(LONG_FILENAME_HOST_SUPPORT)
/**
* Get a long pretty path based on a DOS 8.3 path
*/
void CardReader::printLongPath(char *path
#if NUM_SERIAL > 1
, const int8_t port/*= -1*/
#endif
) {
lsAction = LS_GetFilename;
int i, pathLen = strlen(path);
// SERIAL_ECHOPGM_P(port, "Full Path: "); SERIAL_ECHOLN_P(port, path);
// Zero out slashes to make segments
for (i = 0; i < pathLen; i++) if (path[i] == '/') path[i] = '\0';
SdFile diveDir = root; // start from the root for segment 1
for (i = 0; i < pathLen;) {
if (path[i] == '\0') i++; // move past a single nul
char *segment = &path[i]; // The segment after most slashes
// If a segment is empty (extra-slash) then exit
if (!*segment) break;
// Go to the next segment
while (path[++i]) { }
// SERIAL_ECHOPGM_P(port, "Looking for segment: "); SERIAL_ECHOLN_P(port, segment);
// Find the item, setting the long filename
diveDir.rewind();
lsDive("", diveDir, segment
#if NUM_SERIAL > 1
, port
#endif
);
// Print /LongNamePart to serial output
SERIAL_PROTOCOLCHAR_P(port, '/');
SERIAL_PROTOCOL_P(port, longFilename[0] ? longFilename : "???");
// If the filename was printed then that's it
if (!filenameIsDir) break;
// SERIAL_ECHOPGM_P(port, "Opening dir: "); SERIAL_ECHOLN_P(port, segment);
// Open the sub-item as the new dive parent
SdFile dir;
if (!dir.open(diveDir, segment, O_READ)) {
SERIAL_EOL_P(port);
SERIAL_ECHO_START_P(port);
SERIAL_ECHOPGM_P(port, MSG_SD_CANT_OPEN_SUBDIR);
SERIAL_ECHO_P(port, segment);
break;
}
diveDir.close();
diveDir = dir;
} // while i<pathLen
SERIAL_EOL_P(port);
}
#endif // LONG_FILENAME_HOST_SUPPORT
void CardReader::initsd() {
cardOK = false;
if (root.isOpen()) root.close();
#ifndef SPI_SPEED
#define SPI_SPEED SPI_FULL_SPEED
#endif
if (!card.init(SPI_SPEED, SDSS)
#if defined(LCD_SDSS) && (LCD_SDSS != SDSS)
&& !card.init(SPI_SPEED, LCD_SDSS)
#endif
) {
//if (!card.init(SPI_HALF_SPEED,SDSS))
SERIAL_ECHO_START();
SERIAL_ECHOLNPGM(MSG_SD_INIT_FAIL);
}
else if (!volume.init(&card)) {
SERIAL_ERROR_START();
SERIAL_ERRORLNPGM(MSG_SD_VOL_INIT_FAIL);
}
else if (!root.openRoot(&volume)) {
SERIAL_ERROR_START();
SERIAL_ERRORLNPGM(MSG_SD_OPENROOT_FAIL);
}
else {
cardOK = true;
SERIAL_ECHO_START();
SERIAL_ECHOLNPGM(MSG_SD_CARD_OK);
}
setroot();
}
void CardReader::setroot() {
/*if (!workDir.openRoot(&volume)) {
SERIAL_ECHOLNPGM(MSG_SD_WORKDIR_FAIL);
}*/
workDir = root;
curDir = &workDir;
#if ENABLED(SDCARD_SORT_ALPHA)
presort();
#endif
}
void CardReader::release() {
sdprinting = false;
cardOK = false;
}
void CardReader::openAndPrintFile(const char *name) {
char cmd[4 + strlen(name) + 1]; // Room for "M23 ", filename, and null
sprintf_P(cmd, PSTR("M23 %s"), name);
for (char *c = &cmd[4]; *c; c++) *c = tolower(*c);
enqueue_and_echo_command_now(cmd);
enqueue_and_echo_commands_P(PSTR("M24"));
}
void CardReader::startFileprint() {
if (cardOK) {
sdprinting = true;
#if ENABLED(SDCARD_SORT_ALPHA)
flush_presort();
#endif
}
}
void CardReader::stopSDPrint() {
sdprinting = false;
if (isFileOpen()) file.close();
}
void CardReader::openLogFile(char* name) {
logging = true;
openFile(name, false);
}
void appendAtom(SdFile &file, char *& dst, uint8_t &cnt) {
file.getFilename(dst);
while (*dst && cnt < MAXPATHNAMELENGTH) { dst++; cnt++; }
if (cnt < MAXPATHNAMELENGTH) { *dst = '/'; dst++; cnt++; }
}
void CardReader::getAbsFilename(char *t) {
*t++ = '/'; // Root folder
uint8_t cnt = 1;
for (uint8_t i = 0; i < workDirDepth; i++) // Loop to current work dir
appendAtom(workDirParents[i], t, cnt);
if (cnt < MAXPATHNAMELENGTH - (FILENAME_LENGTH)) {
appendAtom(file, t, cnt);
--t;
}
*t = '\0';
}
void CardReader::openFile(char* name, const bool read, const bool subcall/*=false*/) {
if (!cardOK) return;
uint8_t doing = 0;
if (isFileOpen()) { // Replacing current file or doing a subroutine
if (subcall) {
if (file_subcall_ctr > SD_PROCEDURE_DEPTH - 1) {
SERIAL_ERROR_START();
SERIAL_ERRORPGM("trying to call sub-gcode files with too many levels. MAX level is:");
SERIAL_ERRORLN(SD_PROCEDURE_DEPTH);
kill(PSTR(MSG_KILLED));
return;
}
// Store current filename (based on workDirParents) and position
getAbsFilename(proc_filenames[file_subcall_ctr]);
filespos[file_subcall_ctr] = sdpos;
SERIAL_ECHO_START();
SERIAL_ECHOPAIR("SUBROUTINE CALL target:\"", name);
SERIAL_ECHOPAIR("\" parent:\"", proc_filenames[file_subcall_ctr]);
SERIAL_ECHOLNPAIR("\" pos", sdpos);
file_subcall_ctr++;
}
else
doing = 1;
}
else if (subcall) { // Returning from a subcall?
SERIAL_ECHO_START();
SERIAL_ECHOLNPGM("END SUBROUTINE");
}
else { // Opening fresh file
doing = 2;
file_subcall_ctr = 0; // Reset procedure depth in case user cancels print while in procedure
}
if (doing) {
SERIAL_ECHO_START();
SERIAL_ECHOPGM("Now ");
serialprintPGM(doing == 1 ? PSTR("doing") : PSTR("fresh"));
SERIAL_ECHOLNPAIR(" file: ", name);
}
stopSDPrint();
SdFile myDir;
curDir = &root;
char *fname = name;
char *dirname_start, *dirname_end;
if (name[0] == '/') {
dirname_start = &name[1];
while (dirname_start != NULL) {
dirname_end = strchr(dirname_start, '/');
//SERIAL_ECHOPGM("start:");SERIAL_ECHOLN((int)(dirname_start - name));
//SERIAL_ECHOPGM("end :");SERIAL_ECHOLN((int)(dirname_end - name));
if (dirname_end != NULL && dirname_end > dirname_start) {
char subdirname[FILENAME_LENGTH];
strncpy(subdirname, dirname_start, dirname_end - dirname_start);
subdirname[dirname_end - dirname_start] = '\0';
if (!myDir.open(curDir, subdirname, O_READ)) {
SERIAL_PROTOCOLPGM(MSG_SD_OPEN_FILE_FAIL);
SERIAL_PROTOCOL(subdirname);
SERIAL_PROTOCOLCHAR('.');
return;
}
else {
//SERIAL_ECHOLNPGM("dive ok");
}
curDir = &myDir;
dirname_start = dirname_end + 1;
}
else { // the remainder after all /fsa/fdsa/ is the filename
fname = dirname_start;
//SERIAL_ECHOLNPGM("remainder");
//SERIAL_ECHOLN(fname);
break;
}
}
}
else
curDir = &workDir; // Relative paths start in current directory
if (read) {
if (file.open(curDir, fname, O_READ)) {
filesize = file.fileSize();
sdpos = 0;
SERIAL_PROTOCOLPAIR(MSG_SD_FILE_OPENED, fname);
SERIAL_PROTOCOLLNPAIR(MSG_SD_SIZE, filesize);
SERIAL_PROTOCOLLNPGM(MSG_SD_FILE_SELECTED);
getfilename(0, fname);
lcd_setstatus(longFilename[0] ? longFilename : fname);
}
else {
SERIAL_PROTOCOLPAIR(MSG_SD_OPEN_FILE_FAIL, fname);
SERIAL_PROTOCOLCHAR('.');
SERIAL_EOL();
}
}
else { //write
if (!file.open(curDir, fname, O_CREAT | O_APPEND | O_WRITE | O_TRUNC)) {
SERIAL_PROTOCOLPAIR(MSG_SD_OPEN_FILE_FAIL, fname);
SERIAL_PROTOCOLCHAR('.');
SERIAL_EOL();
}
else {
saving = true;
SERIAL_PROTOCOLLNPAIR(MSG_SD_WRITE_TO_FILE, name);
lcd_setstatus(fname);
}
}
}
void CardReader::removeFile(const char * const name) {
if (!cardOK) return;
stopSDPrint();
SdFile myDir;
curDir = &root;
const char *fname = name;
char *dirname_start, *dirname_end;
if (name[0] == '/') {
dirname_start = strchr(name, '/') + 1;
while (dirname_start != NULL) {
dirname_end = strchr(dirname_start, '/');
//SERIAL_ECHOPGM("start:");SERIAL_ECHOLN((int)(dirname_start - name));
//SERIAL_ECHOPGM("end :");SERIAL_ECHOLN((int)(dirname_end - name));
if (dirname_end != NULL && dirname_end > dirname_start) {
char subdirname[FILENAME_LENGTH];
strncpy(subdirname, dirname_start, dirname_end - dirname_start);
subdirname[dirname_end - dirname_start] = 0;
SERIAL_ECHOLN(subdirname);
if (!myDir.open(curDir, subdirname, O_READ)) {
SERIAL_PROTOCOLPAIR(MSG_SD_OPEN_FILE_FAIL, subdirname);
SERIAL_PROTOCOLCHAR('.');
SERIAL_EOL();
return;
}
curDir = &myDir;
dirname_start = dirname_end + 1;
}
else {
fname = dirname_start;
break;
}
}
}
else // Relative paths are rooted in the current directory
curDir = &workDir;
if (file.remove(curDir, fname)) {
SERIAL_PROTOCOLPGM("File deleted:");
SERIAL_PROTOCOLLN(fname);
sdpos = 0;
#if ENABLED(SDCARD_SORT_ALPHA)
presort();
#endif
}
else {
SERIAL_PROTOCOLPGM("Deletion failed, File: ");
SERIAL_PROTOCOL(fname);
SERIAL_PROTOCOLCHAR('.');
}
}
void CardReader::getStatus(
#if NUM_SERIAL > 1
const int8_t port/*= -1*/
#endif
) {
if (cardOK) {
SERIAL_PROTOCOLPGM_P(port, MSG_SD_PRINTING_BYTE);
SERIAL_PROTOCOL_P(port, sdpos);
SERIAL_PROTOCOLCHAR_P(port, '/');
SERIAL_PROTOCOLLN_P(port, filesize);
}
else
SERIAL_PROTOCOLLNPGM_P(port, MSG_SD_NOT_PRINTING);
}
void CardReader::write_command(char *buf) {
char* begin = buf;
char* npos = NULL;
char* end = buf + strlen(buf) - 1;
file.writeError = false;
if ((npos = strchr(buf, 'N')) != NULL) {
begin = strchr(npos, ' ') + 1;
end = strchr(npos, '*') - 1;
}
end[1] = '\r';
end[2] = '\n';
end[3] = '\0';
file.write(begin);
if (file.writeError) {
SERIAL_ERROR_START();
SERIAL_ERRORLNPGM(MSG_SD_ERR_WRITE_TO_FILE);
}
}
void CardReader::checkautostart(bool force) {
if (!force && (!autostart_stilltocheck || PENDING(millis(), next_autostart_ms)))
return;
autostart_stilltocheck = false;
if (!cardOK) {
initsd();
if (!cardOK) return; // fail
}
char autoname[10];
sprintf_P(autoname, PSTR("auto%i.g"), autostart_index);
for (int8_t i = 0; i < (int8_t)strlen(autoname); i++) autoname[i] = tolower(autoname[i]);
dir_t p;
root.rewind();
bool found = false;
while (root.readDir(p, NULL) > 0) {
for (int8_t i = (int8_t)strlen((char*)p.name); i--;) p.name[i] = tolower(p.name[i]);
if (p.name[9] != '~' && strncmp((char*)p.name, autoname, 5) == 0) {
openAndPrintFile(autoname);
found = true;
}
}
if (!found)
autostart_index = -1;
else
autostart_index++;
}
void CardReader::closefile(bool store_location) {
file.sync();
file.close();
saving = logging = false;
if (store_location) {
//future: store printer state, filename and position for continuing a stopped print
// so one can unplug the printer and continue printing the next day.
}
}
/**
* Get the name of a file in the current directory by index
*/
void CardReader::getfilename(uint16_t nr, const char * const match/*=NULL*/) {
#if ENABLED(SDSORT_CACHE_NAMES)
if (match != NULL) {
while (nr < sort_count) {
if (strcasecmp(match, sortshort[nr]) == 0) break;
nr++;
}
}
if (nr < sort_count) {
strcpy(filename, sortshort[nr]);
strcpy(longFilename, sortnames[nr]);
filenameIsDir = TEST(isDir[nr>>3], nr & 0x07);
return;
}
#endif // SDSORT_CACHE_NAMES
curDir = &workDir;
lsAction = LS_GetFilename;
nrFile_index = nr;
curDir->rewind();
lsDive("", *curDir, match);
}
uint16_t CardReader::getnrfilenames() {
curDir = &workDir;
lsAction = LS_Count;
nrFiles = 0;
curDir->rewind();
lsDive("", *curDir);
//SERIAL_ECHOLN(nrFiles);
return nrFiles;
}
void CardReader::chdir(const char * relpath) {
SdFile newDir;
SdFile *parent = &root;
if (workDir.isOpen()) parent = &workDir;
if (!newDir.open(*parent, relpath, O_READ)) {
SERIAL_ECHO_START();
SERIAL_ECHOPGM(MSG_SD_CANT_ENTER_SUBDIR);
SERIAL_ECHOLN(relpath);
}
else {
workDir = newDir;
if (workDirDepth < MAX_DIR_DEPTH)
workDirParents[workDirDepth++] = workDir;
#if ENABLED(SDCARD_SORT_ALPHA)
presort();
#endif
}
}
int8_t CardReader::updir() {
if (workDirDepth > 0) { // At least 1 dir has been saved
workDir = --workDirDepth ? workDirParents[workDirDepth - 1] : root; // Use parent, or root if none
#if ENABLED(SDCARD_SORT_ALPHA)
presort();
#endif
}
return workDirDepth;
}
#if ENABLED(SDCARD_SORT_ALPHA)
/**
* Get the name of a file in the current directory by sort-index
*/
void CardReader::getfilename_sorted(const uint16_t nr) {
getfilename(
#if ENABLED(SDSORT_GCODE)
sort_alpha &&
#endif
(nr < sort_count) ? sort_order[nr] : nr
);
}
/**
* Read all the files and produce a sort key
*
* We can do this in 3 ways...
* - Minimal RAM: Read two filenames at a time sorting along...
* - Some RAM: Buffer the directory just for this sort
* - Most RAM: Buffer the directory and return filenames from RAM
*/
void CardReader::presort() {
// Sorting may be turned off
#if ENABLED(SDSORT_GCODE)
if (!sort_alpha) return;
#endif
// Throw away old sort index
flush_presort();
// If there are files, sort up to the limit
uint16_t fileCnt = getnrfilenames();
if (fileCnt > 0) {
// Never sort more than the max allowed
// If you use folders to organize, 20 may be enough
if (fileCnt > SDSORT_LIMIT) fileCnt = SDSORT_LIMIT;
// Sort order is always needed. May be static or dynamic.
#if ENABLED(SDSORT_DYNAMIC_RAM)
sort_order = new uint8_t[fileCnt];
#endif
// Use RAM to store the entire directory during pre-sort.
// SDSORT_LIMIT should be set to prevent over-allocation.
#if ENABLED(SDSORT_USES_RAM)
// If using dynamic ram for names, allocate on the heap.
#if ENABLED(SDSORT_CACHE_NAMES)
#if ENABLED(SDSORT_DYNAMIC_RAM)
sortshort = new char*[fileCnt];
sortnames = new char*[fileCnt];
#endif
#elif ENABLED(SDSORT_USES_STACK)
char sortnames[fileCnt][SORTED_LONGNAME_MAXLEN];
#endif
// Folder sorting needs 1 bit per entry for flags.
#if HAS_FOLDER_SORTING
#if ENABLED(SDSORT_DYNAMIC_RAM)
isDir = new uint8_t[(fileCnt + 7) >> 3];
#elif ENABLED(SDSORT_USES_STACK)
uint8_t isDir[(fileCnt + 7) >> 3];
#endif
#endif
#else // !SDSORT_USES_RAM
// By default re-read the names from SD for every compare
// retaining only two filenames at a time. This is very
// slow but is safest and uses minimal RAM.
char name1[LONG_FILENAME_LENGTH + 1];
#endif
if (fileCnt > 1) {
// Init sort order.
for (uint16_t i = 0; i < fileCnt; i++) {
sort_order[i] = i;
// If using RAM then read all filenames now.
#if ENABLED(SDSORT_USES_RAM)
getfilename(i);
#if ENABLED(SDSORT_DYNAMIC_RAM)
// Use dynamic method to copy long filename
sortnames[i] = strdup(LONGEST_FILENAME);
#if ENABLED(SDSORT_CACHE_NAMES)
// When caching also store the short name, since
// we're replacing the getfilename() behavior.
sortshort[i] = strdup(filename);
#endif
#else
// Copy filenames into the static array
#if SORTED_LONGNAME_MAXLEN != LONG_FILENAME_LENGTH
strncpy(sortnames[i], LONGEST_FILENAME, SORTED_LONGNAME_MAXLEN);
sortnames[i][SORTED_LONGNAME_MAXLEN - 1] = '\0';
#else
strncpy(sortnames[i], LONGEST_FILENAME, SORTED_LONGNAME_MAXLEN);
#endif
#if ENABLED(SDSORT_CACHE_NAMES)
strcpy(sortshort[i], filename);
#endif
#endif
// char out[30];
// sprintf_P(out, PSTR("---- %i %s %s"), i, filenameIsDir ? "D" : " ", sortnames[i]);
// SERIAL_ECHOLN(out);
#if HAS_FOLDER_SORTING
const uint16_t bit = i & 0x07, ind = i >> 3;
if (bit == 0) isDir[ind] = 0x00;
if (filenameIsDir) isDir[ind] |= _BV(bit);
#endif
#endif
}
// Bubble Sort
for (uint16_t i = fileCnt; --i;) {
bool didSwap = false;
for (uint16_t j = 0; j < i; ++j) {
const uint16_t o1 = sort_order[j], o2 = sort_order[j + 1];
// Compare names from the array or just the two buffered names
#if ENABLED(SDSORT_USES_RAM)
#define _SORT_CMP_NODIR() (strcasecmp(sortnames[o1], sortnames[o2]) > 0)
#else
#define _SORT_CMP_NODIR() (strcasecmp(name1, name2) > 0)
#endif
#if HAS_FOLDER_SORTING
#if ENABLED(SDSORT_USES_RAM)
// Folder sorting needs an index and bit to test for folder-ness.
const uint8_t ind1 = o1 >> 3, bit1 = o1 & 0x07,
ind2 = o2 >> 3, bit2 = o2 & 0x07;
#define _SORT_CMP_DIR(fs) \
(((isDir[ind1] & _BV(bit1)) != 0) == ((isDir[ind2] & _BV(bit2)) != 0) \
? _SORT_CMP_NODIR() \
: (isDir[fs > 0 ? ind1 : ind2] & (fs > 0 ? _BV(bit1) : _BV(bit2))) != 0)
#else
#define _SORT_CMP_DIR(fs) ((dir1 == filenameIsDir) ? _SORT_CMP_NODIR() : (fs > 0 ? dir1 : !dir1))
#endif
#endif
// The most economical method reads names as-needed
// throughout the loop. Slow if there are many.
#if DISABLED(SDSORT_USES_RAM)
getfilename(o1);
strcpy(name1, LONGEST_FILENAME); // save (or getfilename below will trounce it)
#if HAS_FOLDER_SORTING
bool dir1 = filenameIsDir;
#endif
getfilename(o2);
char *name2 = LONGEST_FILENAME; // use the string in-place
#endif // !SDSORT_USES_RAM
// Sort the current pair according to settings.
if (
#if HAS_FOLDER_SORTING
#if ENABLED(SDSORT_GCODE)
sort_folders ? _SORT_CMP_DIR(sort_folders) : _SORT_CMP_NODIR()
#else
_SORT_CMP_DIR(FOLDER_SORTING)
#endif
#else
_SORT_CMP_NODIR()
#endif
) {
sort_order[j] = o2;
sort_order[j + 1] = o1;
didSwap = true;
}
}
if (!didSwap) break;
}
// Using RAM but not keeping names around
#if ENABLED(SDSORT_USES_RAM) && DISABLED(SDSORT_CACHE_NAMES)
#if ENABLED(SDSORT_DYNAMIC_RAM)
for (uint16_t i = 0; i < fileCnt; ++i) free(sortnames[i]);
#if HAS_FOLDER_SORTING
free(isDir);
#endif
#endif
#endif
}
else {
sort_order[0] = 0;
#if ENABLED(SDSORT_USES_RAM) && ENABLED(SDSORT_CACHE_NAMES)
getfilename(0);
#if ENABLED(SDSORT_DYNAMIC_RAM)
sortnames = new char*[1];
sortnames[0] = strdup(LONGEST_FILENAME); // malloc
#if ENABLED(SDSORT_CACHE_NAMES)
sortshort = new char*[1];
sortshort[0] = strdup(filename); // malloc
#endif
isDir = new uint8_t[1];
#else
#if SORTED_LONGNAME_MAXLEN != LONG_FILENAME_LENGTH
strncpy(sortnames[0], LONGEST_FILENAME, SORTED_LONGNAME_MAXLEN);
sortnames[0][SORTED_LONGNAME_MAXLEN - 1] = '\0';
#else
strncpy(sortnames[0], LONGEST_FILENAME, SORTED_LONGNAME_MAXLEN);
#endif
#if ENABLED(SDSORT_CACHE_NAMES)
strcpy(sortshort[0], filename);
#endif
#endif
isDir[0] = filenameIsDir ? 0x01 : 0x00;
#endif
}
sort_count = fileCnt;
}
}
void CardReader::flush_presort() {
if (sort_count > 0) {
#if ENABLED(SDSORT_DYNAMIC_RAM)
delete sort_order;
#if ENABLED(SDSORT_CACHE_NAMES)
for (uint8_t i = 0; i < sort_count; ++i) {
free(sortshort[i]); // strdup
free(sortnames[i]); // strdup
}
delete sortshort;
delete sortnames;
#endif
#endif
sort_count = 0;
}
}
#endif // SDCARD_SORT_ALPHA
uint16_t CardReader::get_num_Files() {
return
#if ENABLED(SDCARD_SORT_ALPHA) && SDSORT_USES_RAM && SDSORT_CACHE_NAMES
nrFiles // no need to access the SD card for filenames
#else
getnrfilenames()
#endif
;
}
void CardReader::printingHasFinished() {
stepper.synchronize();
file.close();
if (file_subcall_ctr > 0) { // Heading up to a parent file that called current as a procedure.
file_subcall_ctr--;
openFile(proc_filenames[file_subcall_ctr], true, true);
setIndex(filespos[file_subcall_ctr]);
startFileprint();
}
else {
sdprinting = false;
#if ENABLED(SD_FINISHED_STEPPERRELEASE) && defined(SD_FINISHED_RELEASECOMMAND)
stepper.cleaning_buffer_counter = 1; // The command will fire from the Stepper ISR
#endif
print_job_timer.stop();
if (print_job_timer.duration() > 60)
enqueue_and_echo_commands_P(PSTR("M31"));
#if ENABLED(SDCARD_SORT_ALPHA)
presort();
#endif
#if ENABLED(SD_REPRINT_LAST_SELECTED_FILE)
lcd_reselect_last_file();
#endif
}
}
#endif // SDSUPPORT
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