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MarlinFirmware/Marlin/src/sd/cardreader.cpp
Scott Lahteine de4f882a22 Fetch longname when a file exists
2021-04-29 08:45:01 -05:00

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/**
* Marlin 3D Printer Firmware
* Copyright (c) 2020 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 <https://www.gnu.org/licenses/>.
*
*/
#include "../inc/MarlinConfig.h"
#if ENABLED(SDSUPPORT)
//#define DEBUG_CARDREADER
#include "cardreader.h"
#include "../MarlinCore.h"
#include "../lcd/ultralcd.h"
#if ENABLED(DWIN_CREALITY_LCD)
#include "../lcd/dwin/e3v2/dwin.h"
#endif
#include "../module/planner.h" // for synchronize
#include "../module/printcounter.h"
#include "../gcode/queue.h"
#include "../module/settings.h"
#include "../module/stepper/indirection.h"
#if ENABLED(EMERGENCY_PARSER)
#include "../feature/e_parser.h"
#endif
#if ENABLED(POWER_LOSS_RECOVERY)
#include "../feature/powerloss.h"
#endif
#if ENABLED(ADVANCED_PAUSE_FEATURE)
#include "../feature/pause.h"
#endif
#define DEBUG_OUT EITHER(DEBUG_CARDREADER, MARLIN_DEV_MODE)
#include "../core/debug_out.h"
#include "../libs/hex_print.h"
// public:
card_flags_t CardReader::flag;
char CardReader::filename[FILENAME_LENGTH], CardReader::longFilename[LONG_FILENAME_LENGTH];
int8_t CardReader::autostart_index;
#if BOTH(HAS_MULTI_SERIAL, BINARY_FILE_TRANSFER)
int8_t CardReader::transfer_port_index;
#endif
// private:
SdFile CardReader::root, CardReader::workDir, CardReader::workDirParents[MAX_DIR_DEPTH];
uint8_t CardReader::workDirDepth;
#if ENABLED(SDCARD_SORT_ALPHA)
uint16_t CardReader::sort_count;
#if ENABLED(SDSORT_GCODE)
bool CardReader::sort_alpha;
int CardReader::sort_folders;
//bool CardReader::sort_reverse;
#endif
#if ENABLED(SDSORT_DYNAMIC_RAM)
uint8_t *CardReader::sort_order;
#else
uint8_t CardReader::sort_order[SDSORT_LIMIT];
#endif
#if ENABLED(SDSORT_USES_RAM)
#if ENABLED(SDSORT_CACHE_NAMES)
uint16_t CardReader::nrFiles; // Cached total file count
#if ENABLED(SDSORT_DYNAMIC_RAM)
char **CardReader::sortshort, **CardReader::sortnames;
#else
char CardReader::sortshort[SDSORT_LIMIT][FILENAME_LENGTH];
char CardReader::sortnames[SDSORT_LIMIT][SORTED_LONGNAME_STORAGE];
#endif
#elif DISABLED(SDSORT_USES_STACK)
char CardReader::sortnames[SDSORT_LIMIT][SORTED_LONGNAME_STORAGE];
#endif
#if HAS_FOLDER_SORTING
#if ENABLED(SDSORT_DYNAMIC_RAM)
uint8_t *CardReader::isDir;
#elif ENABLED(SDSORT_CACHE_NAMES) || DISABLED(SDSORT_USES_STACK)
uint8_t CardReader::isDir[(SDSORT_LIMIT+7)>>3];
#endif
#define IS_DIR(n) TEST(isDir[(n) >> 3], (n) & 0x07)
#endif
#endif // SDSORT_USES_RAM
#endif // SDCARD_SORT_ALPHA
Sd2Card CardReader::sd2card;
SdVolume CardReader::volume;
SdFile CardReader::file;
uint8_t CardReader::file_subcall_ctr;
uint32_t CardReader::filespos[SD_PROCEDURE_DEPTH];
char CardReader::proc_filenames[SD_PROCEDURE_DEPTH][MAXPATHNAMELENGTH];
uint32_t CardReader::filesize, CardReader::sdpos;
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
flag.sdprinting = flag.mounted = flag.saving = flag.logging = false;
filesize = sdpos = 0;
file_subcall_ctr = 0;
workDirDepth = 0;
ZERO(workDirParents);
// Disable autostart until card is initialized
autostart_index = -1;
#if ENABLED(SDSUPPORT) && PIN_EXISTS(SD_DETECT)
SET_INPUT_PULLUP(SD_DETECT_PIN);
#endif
#if PIN_EXISTS(SDPOWER)
OUT_WRITE(SDPOWER_PIN, HIGH); // Power the SD reader
#endif
}
//
// Get a DOS 8.3 filename in its useful form
//
char *createFilename(char * const buffer, const dir_t &p) {
char *pos = buffer;
LOOP_L_N(i, 11) {
if (p.name[i] == ' ') continue;
if (i == 8) *pos++ = '.';
*pos++ = p.name[i];
}
*pos++ = 0;
return buffer;
}
//
// Return 'true' if the item is a folder or G-code file
//
bool CardReader::is_dir_or_gcode(const dir_t &p) {
//uint8_t pn0 = p.name[0];
if ( (p.attributes & DIR_ATT_HIDDEN) // Hidden by attribute
// When readDir() > 0 these must be false:
//|| pn0 == DIR_NAME_FREE || pn0 == DIR_NAME_DELETED // Clear or Deleted entry
//|| pn0 == '.' || longFilename[0] == '.' // Hidden file
//|| !DIR_IS_FILE_OR_SUBDIR(&p) // Not a File or Directory
) return false;
flag.filenameIsDir = DIR_IS_SUBDIR(&p); // We know it's a File or Folder
return (
flag.filenameIsDir // All Directories are ok
|| (p.name[8] == 'G' && p.name[9] != '~') // Non-backup *.G* files are accepted
);
}
//
// Get the number of (compliant) items in the folder
//
int CardReader::countItems(SdFile dir) {
dir_t p;
int c = 0;
while (dir.readDir(&p, longFilename) > 0)
c += is_dir_or_gcode(p);
#if ALL(SDCARD_SORT_ALPHA, SDSORT_USES_RAM, SDSORT_CACHE_NAMES)
nrFiles = c;
#endif
return c;
}
//
// Get file/folder info for an item by index
//
void CardReader::selectByIndex(SdFile dir, const uint8_t index) {
dir_t p;
for (uint8_t cnt = 0; dir.readDir(&p, longFilename) > 0;) {
if (is_dir_or_gcode(p)) {
if (cnt == index) {
createFilename(filename, p);
return; // 0 based index
}
cnt++;
}
}
}
//
// Get file/folder info for an item by name
//
void CardReader::selectByName(SdFile dir, const char * const match) {
dir_t p;
for (uint8_t cnt = 0; dir.readDir(&p, longFilename) > 0; cnt++) {
if (is_dir_or_gcode(p)) {
createFilename(filename, p);
if (strcasecmp(match, filename) == 0) return;
}
}
}
//
// Recursive method to list all files within a folder
//
void CardReader::printListing(SdFile parent, const char * const prepend/*=nullptr*/) {
dir_t p;
while (parent.readDir(&p, longFilename) > 0) {
if (DIR_IS_SUBDIR(&p)) {
// Get the short name for the item, which we know is a folder
char dosFilename[FILENAME_LENGTH];
createFilename(dosFilename, p);
// Allocate enough stack space for the full path to a folder, trailing slash, and nul
const bool prepend_is_empty = (!prepend || prepend[0] == '\0');
const int len = (prepend_is_empty ? 1 : strlen(prepend)) + strlen(dosFilename) + 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, dosFilename); // FILENAME_LENGTH characters maximum
strcat(path, "/"); // 1 character
// Serial.print(path);
// Get a new directory object using the full path
// and dive recursively into it.
SdFile child;
if (!child.open(&parent, dosFilename, O_READ)) {
SERIAL_ECHO_START();
SERIAL_ECHOLNPAIR(STR_SD_CANT_OPEN_SUBDIR, dosFilename);
}
printListing(child, path);
// close() is done automatically by destructor of SdFile
}
else if (is_dir_or_gcode(p)) {
createFilename(filename, p);
if (prepend) SERIAL_ECHO(prepend);
SERIAL_ECHO(filename);
SERIAL_CHAR(' ');
SERIAL_ECHOLN(p.fileSize);
}
}
}
//
// List all files on the SD card
//
void CardReader::ls() {
if (flag.mounted) {
root.rewind();
printListing(root);
}
}
#if ENABLED(LONG_FILENAME_HOST_SUPPORT)
//
// Get a long pretty path based on a DOS 8.3 path
//
void CardReader::printLongPath(char * const path) {
int i, pathLen = strlen(path);
// SERIAL_ECHOPGM("Full Path: "); SERIAL_ECHOLN(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("Looking for segment: "); SERIAL_ECHOLN(segment);
// Find the item, setting the long filename
diveDir.rewind();
selectByName(diveDir, segment);
// Print /LongNamePart to serial output
SERIAL_CHAR('/');
SERIAL_ECHO(longFilename[0] ? longFilename : "???");
// If the filename was printed then that's it
if (!flag.filenameIsDir) break;
// SERIAL_ECHOPGM("Opening dir: "); SERIAL_ECHOLN(segment);
// Open the sub-item as the new dive parent
SdFile dir;
if (!dir.open(&diveDir, segment, O_READ)) {
SERIAL_EOL();
SERIAL_ECHO_START();
SERIAL_ECHOPAIR(STR_SD_CANT_OPEN_SUBDIR, segment);
break;
}
diveDir.close();
diveDir = dir;
} // while i<pathLen
SERIAL_EOL();
}
#endif // LONG_FILENAME_HOST_SUPPORT
//
// Echo the DOS 8.3 filename (and long filename, if any)
//
void CardReader::printFilename() {
if (file.isOpen()) {
char dosFilename[FILENAME_LENGTH];
file.getDosName(dosFilename);
SERIAL_ECHO(dosFilename);
#if ENABLED(LONG_FILENAME_HOST_SUPPORT)
selectFileByName(dosFilename);
if (longFilename[0]) {
SERIAL_ECHO(' ');
SERIAL_ECHO(longFilename);
}
#endif
}
else
SERIAL_ECHOPGM("(no file)");
SERIAL_EOL();
}
void CardReader::mount() {
flag.mounted = false;
if (root.isOpen()) root.close();
if (!sd2card.init(SPI_SPEED, SDSS)
#if defined(LCD_SDSS) && (LCD_SDSS != SDSS)
&& !sd2card.init(SPI_SPEED, LCD_SDSS)
#endif
) SERIAL_ECHO_MSG(STR_SD_INIT_FAIL);
else if (!volume.init(&sd2card))
SERIAL_ERROR_MSG(STR_SD_VOL_INIT_FAIL);
else if (!root.openRoot(&volume))
SERIAL_ERROR_MSG(STR_SD_OPENROOT_FAIL);
else {
flag.mounted = true;
SERIAL_ECHO_MSG(STR_SD_CARD_OK);
}
if (flag.mounted)
cdroot();
#if ENABLED(USB_FLASH_DRIVE_SUPPORT) || PIN_EXISTS(SD_DETECT)
else if (marlin_state != MF_INITIALIZING)
ui.set_status_P(GET_TEXT(MSG_SD_INIT_FAIL), -1);
#endif
ui.refresh();
}
/**
* Handle SD card events
*/
#if MB(FYSETC_CHEETAH, FYSETC_AIO_II)
#include "../module/stepper.h"
#endif
void CardReader::manage_media() {
static uint8_t prev_stat = 2; // First call, no prior state
uint8_t stat = uint8_t(IS_SD_INSERTED());
if (stat == prev_stat) return;
DEBUG_ECHOLNPAIR("SD: Status changed from ", prev_stat, " to ", stat);
flag.workDirIsRoot = true; // Return to root on mount/release
if (ui.detected()) {
uint8_t old_stat = prev_stat;
prev_stat = stat; // Change now to prevent re-entry
if (stat) { // Media Inserted
safe_delay(500); // Some boards need a delay to get settled
mount(); // Try to mount the media
#if MB(FYSETC_CHEETAH, FYSETC_CHEETAH_V12, FYSETC_AIO_II)
reset_stepper_drivers(); // Workaround for Cheetah bug
#endif
if (!isMounted()) stat = 0; // Not mounted?
}
else {
#if PIN_EXISTS(SD_DETECT)
release(); // Card is released
#endif
}
ui.media_changed(old_stat, stat); // Update the UI
if (stat) {
TERN_(SDCARD_EEPROM_EMULATION, settings.first_load());
if (old_stat == 2) // First mount?
DEBUG_ECHOLNPGM("First mount.");
TERN(POWER_LOSS_RECOVERY,
recovery.check(), // Check for PLR file. (If not there it will beginautostart)
beginautostart() // Look for auto0.g on the next loop
);
}
}
else
DEBUG_ECHOLNPGM("SD: No UI Detected.");
}
void CardReader::release() {
endFilePrint();
flag.mounted = false;
flag.workDirIsRoot = true;
#if ALL(SDCARD_SORT_ALPHA, SDSORT_USES_RAM, SDSORT_CACHE_NAMES)
nrFiles = 0;
#endif
}
void CardReader::openAndPrintFile(const char *name) {
char cmd[4 + strlen(name) + 1]; // Room for "M23 ", filename, and null
extern const char M23_STR[];
sprintf_P(cmd, M23_STR, name);
for (char *c = &cmd[4]; *c; c++) *c = tolower(*c);
queue.enqueue_one_now(cmd);
queue.enqueue_now_P(M24_STR);
}
void CardReader::startFileprint() {
if (isMounted()) {
flag.sdprinting = true;
TERN_(SD_RESORT, flush_presort());
}
}
void CardReader::endFilePrint(TERN_(SD_RESORT, const bool re_sort/*=false*/)) {
TERN_(ADVANCED_PAUSE_FEATURE, did_pause_print = 0);
TERN_(DWIN_CREALITY_LCD, HMI_flag.print_finish = flag.sdprinting);
flag.sdprinting = flag.abort_sd_printing = false;
if (isFileOpen()) file.close();
TERN_(SD_RESORT, if (re_sort) presort());
}
void CardReader::openLogFile(char * const path) {
flag.logging = DISABLED(SDCARD_READONLY);
TERN(SDCARD_READONLY,,openFileWrite(path));
}
//
// Get the root-relative DOS path of the selected file
//
void CardReader::getAbsFilename(char *dst) {
*dst++ = '/';
uint8_t cnt = 1;
auto appendAtom = [&](SdFile &file) {
file.getDosName(dst);
while (*dst && cnt < MAXPATHNAMELENGTH) { dst++; cnt++; }
if (cnt < MAXPATHNAMELENGTH) { *dst = '/'; dst++; cnt++; }
};
LOOP_L_N(i, workDirDepth) // Loop down to current work dir
appendAtom(workDirParents[i]);
if (cnt < MAXPATHNAMELENGTH - (FILENAME_LENGTH) - 1) { // Leave room for filename and nul
appendAtom(file);
--dst;
}
*dst = '\0';
}
void openFailed(const char * const fname) {
SERIAL_ECHOLNPAIR(STR_SD_OPEN_FILE_FAIL, fname, ".");
}
void announceOpen(const uint8_t doing, const char * const path) {
if (doing) {
PORT_REDIRECT(SERIAL_BOTH);
SERIAL_ECHO_START();
SERIAL_ECHOPGM("Now ");
serialprintPGM(doing == 1 ? PSTR("doing") : PSTR("fresh"));
SERIAL_ECHOLNPAIR(" file: ", path);
PORT_RESTORE();
}
}
//
// Open a file by DOS path for read
// The 'subcall_type' flag indicates...
// - 0 : Standard open from host or user interface.
// - 1 : (file open) Opening a new sub-procedure.
// - 1 : (no file open) Opening a macro (M98).
// - 2 : Resuming from a sub-procedure
//
void CardReader::openFileRead(char * const path, const uint8_t subcall_type/*=0*/) {
if (!isMounted()) return;
switch (subcall_type) {
case 0: // Starting a new print. "Now fresh file: ..."
announceOpen(2, path);
file_subcall_ctr = 0;
break;
case 1: // Starting a sub-procedure
// With no file is open it's a simple macro. "Now doing file: ..."
if (!isFileOpen()) { announceOpen(1, path); break; }
// Too deep? The firmware has to bail.
if (file_subcall_ctr > SD_PROCEDURE_DEPTH - 1) {
SERIAL_ERROR_MSG("Exceeded max SUBROUTINE depth:" STRINGIFY(SD_PROCEDURE_DEPTH));
kill(GET_TEXT(MSG_KILL_SUBCALL_OVERFLOW));
return;
}
// Store current filename (based on workDirParents) and position
getAbsFilename(proc_filenames[file_subcall_ctr]);
filespos[file_subcall_ctr] = sdpos;
// For sub-procedures say 'SUBROUTINE CALL target: "..." parent: "..." pos12345'
SERIAL_ECHO_START();
SERIAL_ECHOLNPAIR("SUBROUTINE CALL target:\"", path, "\" parent:\"", proc_filenames[file_subcall_ctr], "\" pos", sdpos);
file_subcall_ctr++;
break;
case 2: // Resuming previous file after sub-procedure
SERIAL_ECHO_MSG("END SUBROUTINE");
break;
}
endFilePrint();
SdFile *diveDir;
const char * const fname = diveToFile(true, diveDir, path);
if (!fname) return;
if (file.open(diveDir, fname, O_READ)) {
filesize = file.fileSize();
sdpos = 0;
PORT_REDIRECT(SERIAL_BOTH);
SERIAL_ECHOLNPAIR(STR_SD_FILE_OPENED, fname, STR_SD_SIZE, filesize);
SERIAL_ECHOLNPGM(STR_SD_FILE_SELECTED);
PORT_RESTORE();
selectFileByName(fname);
ui.set_status(longFilename[0] ? longFilename : fname);
}
else
openFailed(fname);
}
inline void echo_write_to_file(const char * const fname) {
SERIAL_ECHOLNPAIR(STR_SD_WRITE_TO_FILE, fname);
}
//
// Open a file by DOS path for write
//
void CardReader::openFileWrite(char * const path) {
if (!isMounted()) return;
announceOpen(2, path);
file_subcall_ctr = 0;
endFilePrint();
SdFile *diveDir;
const char * const fname = diveToFile(false, diveDir, path);
if (!fname) return;
#if ENABLED(SDCARD_READONLY)
openFailed(fname);
#else
if (file.open(diveDir, fname, O_CREAT | O_APPEND | O_WRITE | O_TRUNC)) {
flag.saving = true;
selectFileByName(fname);
TERN_(EMERGENCY_PARSER, emergency_parser.disable());
echo_write_to_file(fname);
ui.set_status(fname);
}
else
openFailed(fname);
#endif
}
//
// Check if a file exists by absolute or workDir-relative path
// If the file exists, the long name can also be fetched.
//
bool CardReader::fileExists(const char * const path) {
if (!isMounted()) return false;
SdFile *diveDir = nullptr;
const char * const fname = diveToFile(false, diveDir, path);
if (fname) {
diveDir->rewind();
selectByName(*diveDir, fname);
diveDir->close();
}
return fname != nullptr;
}
//
// Delete a file by name in the working directory
//
void CardReader::removeFile(const char * const name) {
if (!isMounted()) return;
//endFilePrint();
SdFile *curDir;
const char * const fname = diveToFile(false, curDir, name);
if (!fname) return;
#if ENABLED(SDCARD_READONLY)
SERIAL_ECHOLNPAIR("Deletion failed (read-only), File: ", fname, ".");
#else
if (file.remove(curDir, fname)) {
SERIAL_ECHOLNPAIR("File deleted:", fname);
sdpos = 0;
TERN_(SDCARD_SORT_ALPHA, presort());
}
else
SERIAL_ECHOLNPAIR("Deletion failed, File: ", fname, ".");
#endif
}
void CardReader::report_status() {
if (isPrinting()) {
SERIAL_ECHOPGM(STR_SD_PRINTING_BYTE);
SERIAL_ECHO(sdpos);
SERIAL_CHAR('/');
SERIAL_ECHOLN(filesize);
}
else
SERIAL_ECHOLNPGM(STR_SD_NOT_PRINTING);
}
void CardReader::write_command(char * const buf) {
char* begin = buf;
char* npos = nullptr;
char* end = buf + strlen(buf) - 1;
file.writeError = false;
if ((npos = strchr(buf, 'N')) != nullptr) {
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_MSG(STR_SD_ERR_WRITE_TO_FILE);
}
//
// Run the next autostart file. Called:
// - On boot after successful card init
// - After finishing the previous autostart file
// - From the LCD command to run the autostart file
//
void CardReader::checkautostart() {
if (autostart_index < 0 || flag.sdprinting) return;
if (!isMounted()) mount();
TERN_(SDCARD_EEPROM_EMULATION, else settings.first_load());
// Don't run auto#.g when a PLR file exists
if (isMounted() && TERN1(POWER_LOSS_RECOVERY, !recovery.valid())) {
char autoname[8];
sprintf_P(autoname, PSTR("auto%c.g"), autostart_index + '0');
dir_t p;
root.rewind();
while (root.readDir(&p, nullptr) > 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);
autostart_index++;
return;
}
}
}
autostart_index = -1;
}
void CardReader::beginautostart() {
autostart_index = 0;
cdroot();
}
void CardReader::closefile(const bool store_location/*=false*/) {
file.sync();
file.close();
flag.saving = flag.logging = false;
sdpos = 0;
TERN_(EMERGENCY_PARSER, emergency_parser.enable());
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 info for a file in the working directory by index
//
void CardReader::selectFileByIndex(const uint16_t nr) {
#if ENABLED(SDSORT_CACHE_NAMES)
if (nr < sort_count) {
strcpy(filename, sortshort[nr]);
strcpy(longFilename, sortnames[nr]);
flag.filenameIsDir = IS_DIR(nr);
return;
}
#endif
workDir.rewind();
selectByIndex(workDir, nr);
}
//
// Get info for a file in the working directory by DOS name
//
void CardReader::selectFileByName(const char * const match) {
#if ENABLED(SDSORT_CACHE_NAMES)
for (uint16_t nr = 0; nr < sort_count; nr++)
if (strcasecmp(match, sortshort[nr]) == 0) {
strcpy(filename, sortshort[nr]);
strcpy(longFilename, sortnames[nr]);
flag.filenameIsDir = IS_DIR(nr);
return;
}
#endif
workDir.rewind();
selectByName(workDir, match);
}
uint16_t CardReader::countFilesInWorkDir() {
workDir.rewind();
return countItems(workDir);
}
/**
* Dive to the given DOS 8.3 file path, with optional echo of the dive paths.
*
* On exit:
* - Your curDir pointer contains an SdFile reference to the file's directory.
* - If update_cwd was 'true' the workDir now points to the file's directory.
*
* Returns a pointer to the last segment (filename) of the given DOS 8.3 path.
*
* A nullptr result indicates an unrecoverable error.
*/
const char* CardReader::diveToFile(const bool update_cwd, SdFile*& diveDir, const char * const path, const bool echo/*=false*/) {
// Track both parent and subfolder
static SdFile newDir1, newDir2;
SdFile *sub = &newDir1, *startDir;
// Parsing the path string
const char *item_name_adr = path;
DEBUG_ECHOLNPAIR("diveToFile: path = '", path, "'");
if (path[0] == '/') { // Starting at the root directory?
diveDir = &root;
item_name_adr++;
DEBUG_ECHOLNPAIR("diveToFile: CWD to root: ", hex_address((void*)diveDir));
if (update_cwd) workDirDepth = 0; // The cwd can be updated for the benefit of sub-programs
}
else
diveDir = &workDir; // Dive from workDir (as set by the UI)
startDir = diveDir;
DEBUG_ECHOLNPAIR("diveToFile: startDir = ", hex_address((void*)startDir));
while (item_name_adr) {
// Find next subdirectory delimiter
char * const name_end = strchr(item_name_adr, '/');
// Last atom in the path? Item found.
if (name_end <= item_name_adr) break;
// Set subDirName
const uint8_t len = name_end - item_name_adr;
char dosSubdirname[len + 1];
strncpy(dosSubdirname, item_name_adr, len);
dosSubdirname[len] = 0;
if (echo) SERIAL_ECHOLN(dosSubdirname);
DEBUG_ECHOLNPAIR("diveToFile: sub = ", hex_address((void*)sub));
// Open diveDir (closing first)
sub->close();
if (!sub->open(diveDir, dosSubdirname, O_READ)) {
openFailed(dosSubdirname);
item_name_adr = nullptr;
break;
}
// Close diveDir if not at starting-point
if (diveDir != startDir) {
DEBUG_ECHOLNPAIR("diveToFile: closing diveDir: ", hex_address((void*)diveDir));
diveDir->close();
}
// diveDir now subDir
diveDir = sub;
DEBUG_ECHOLNPAIR("diveToFile: diveDir = sub: ", hex_address((void*)diveDir));
// Update workDirParents and workDirDepth
if (update_cwd) {
DEBUG_ECHOLNPAIR("diveToFile: update_cwd");
if (workDirDepth < MAX_DIR_DEPTH)
workDirParents[workDirDepth++] = *diveDir;
}
// Point sub at the other scratch object
sub = (diveDir != &newDir1) ? &newDir1 : &newDir2;
DEBUG_ECHOLNPAIR("diveToFile: swapping sub = ", hex_address((void*)sub));
// Next path atom address
item_name_adr = name_end + 1;
}
if (update_cwd) {
workDir = *diveDir;
DEBUG_ECHOLNPAIR("diveToFile: final workDir = ", hex_address((void*)diveDir));
flag.workDirIsRoot = (workDirDepth == 0);
TERN_(SDCARD_SORT_ALPHA, presort());
}
return item_name_adr;
}
void CardReader::cd(const char * relpath) {
SdFile newDir;
SdFile *parent = workDir.isOpen() ? &workDir : &root;
if (newDir.open(parent, relpath, O_READ)) {
workDir = newDir;
flag.workDirIsRoot = false;
if (workDirDepth < MAX_DIR_DEPTH)
workDirParents[workDirDepth++] = workDir;
TERN_(SDCARD_SORT_ALPHA, presort());
}
else {
SERIAL_ECHO_START();
SERIAL_ECHOLNPAIR(STR_SD_CANT_ENTER_SUBDIR, relpath);
}
}
int8_t CardReader::cdup() {
if (workDirDepth > 0) { // At least 1 dir has been saved
workDir = --workDirDepth ? workDirParents[workDirDepth - 1] : root; // Use parent, or root if none
TERN_(SDCARD_SORT_ALPHA, presort());
}
if (!workDirDepth) flag.workDirIsRoot = true;
return workDirDepth;
}
void CardReader::cdroot() {
workDir = root;
flag.workDirIsRoot = true;
TERN_(SDCARD_SORT_ALPHA, presort());
}
#if ENABLED(SDCARD_SORT_ALPHA)
/**
* Get the name of a file in the working directory by sort-index
*/
void CardReader::getfilename_sorted(const uint16_t nr) {
selectFileByIndex(TERN1(SDSORT_GCODE, sort_alpha) && (nr < sort_count)
? sort_order[nr] : nr);
}
#if ENABLED(SDSORT_USES_RAM)
#if ENABLED(SDSORT_DYNAMIC_RAM)
// Use dynamic method to copy long filename
#define SET_SORTNAME(I) (sortnames[I] = strdup(longest_filename()))
#if ENABLED(SDSORT_CACHE_NAMES)
// When caching also store the short name, since
// we're replacing the selectFileByIndex() behavior.
#define SET_SORTSHORT(I) (sortshort[I] = strdup(filename))
#else
#define SET_SORTSHORT(I) NOOP
#endif
#else
// Copy filenames into the static array
#define _SET_SORTNAME(I) strncpy(sortnames[I], longest_filename(), SORTED_LONGNAME_MAXLEN)
#if SORTED_LONGNAME_MAXLEN == LONG_FILENAME_LENGTH
// Short name sorting always use LONG_FILENAME_LENGTH with no trailing nul
#define SET_SORTNAME(I) _SET_SORTNAME(I)
#else
// Copy multiple name blocks. Add a nul for the longest case.
#define SET_SORTNAME(I) do{ _SET_SORTNAME(I); sortnames[I][SORTED_LONGNAME_MAXLEN] = '\0'; }while(0)
#endif
#if ENABLED(SDSORT_CACHE_NAMES)
#define SET_SORTSHORT(I) strcpy(sortshort[I], filename)
#else
#define SET_SORTSHORT(I) NOOP
#endif
#endif
#endif
/**
* 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() {
// Throw away old sort index
flush_presort();
// Sorting may be turned off
if (TERN0(SDSORT_GCODE, !sort_alpha)) return;
// If there are files, sort up to the limit
uint16_t fileCnt = countFilesInWorkDir();
if (fileCnt > 0) {
// Never sort more than the max allowed
// If you use folders to organize, 20 may be enough
NOMORE(fileCnt, uint16_t(SDSORT_LIMIT));
// Sort order is always needed. May be static or dynamic.
TERN_(SDSORT_DYNAMIC_RAM, sort_order = new uint8_t[fileCnt]);
// 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_STORAGE];
#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];
#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)
selectFileByIndex(i);
SET_SORTNAME(i);
SET_SORTSHORT(i);
// char out[30];
// sprintf_P(out, PSTR("---- %i %s %s"), i, flag.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 (flag.filenameIsDir) SBI(isDir[ind], bit);
#endif
#endif
}
// Bubble Sort
for (uint16_t i = fileCnt; --i;) {
bool didSwap = false;
uint8_t o1 = sort_order[0];
#if DISABLED(SDSORT_USES_RAM)
selectFileByIndex(o1); // Pre-fetch the first entry and save it
strcpy(name1, longest_filename()); // so the loop only needs one fetch
TERN_(HAS_FOLDER_SORTING, bool dir1 = flag.filenameIsDir);
#endif
for (uint16_t j = 0; j < i; ++j) {
const uint16_t 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.
#define _SORT_CMP_DIR(fs) (IS_DIR(o1) == IS_DIR(o2) ? _SORT_CMP_NODIR() : IS_DIR(fs > 0 ? o1 : o2))
#else
#define _SORT_CMP_DIR(fs) ((dir1 == flag.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)
selectFileByIndex(o2);
const bool dir2 = flag.filenameIsDir;
char * const 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
) {
// Reorder the index, indicate that sorting happened
// Note that the next o1 will be the current o1. No new fetch needed.
sort_order[j] = o2;
sort_order[j + 1] = o1;
didSwap = true;
}
else {
// The next o1 is the current o2. No new fetch needed.
o1 = o2;
#if DISABLED(SDSORT_USES_RAM)
TERN_(HAS_FOLDER_SORTING, dir1 = dir2);
strcpy(name1, name2);
#endif
}
}
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]);
TERN_(HAS_FOLDER_SORTING, free(isDir));
#endif
#endif
}
else {
sort_order[0] = 0;
#if BOTH(SDSORT_USES_RAM, SDSORT_CACHE_NAMES)
#if ENABLED(SDSORT_DYNAMIC_RAM)
sortnames = new char*[1];
sortshort = new char*[1];
isDir = new uint8_t[1];
#endif
selectFileByIndex(0);
SET_SORTNAME(0);
SET_SORTSHORT(0);
isDir[0] = flag.filenameIsDir;
#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)
LOOP_L_N(i, sort_count) {
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() {
if (!isMounted()) return 0;
return (
#if ALL(SDCARD_SORT_ALPHA, SDSORT_USES_RAM, SDSORT_CACHE_NAMES)
nrFiles // no need to access the SD card for filenames
#else
countFilesInWorkDir()
#endif
);
}
//
// Return from procedure or close out the Print Job
//
void CardReader::fileHasFinished() {
planner.synchronize();
file.close();
if (file_subcall_ctr > 0) { // Resume calling file after closing procedure
file_subcall_ctr--;
openFileRead(proc_filenames[file_subcall_ctr], 2); // 2 = Returning from sub-procedure
setIndex(filespos[file_subcall_ctr]);
startFileprint();
}
else {
endFilePrint(TERN_(SD_RESORT, true));
marlin_state = MF_SD_COMPLETE;
}
}
#if ENABLED(AUTO_REPORT_SD_STATUS)
uint8_t CardReader::auto_report_sd_interval = 0;
millis_t CardReader::next_sd_report_ms;
#if HAS_MULTI_SERIAL
int8_t CardReader::auto_report_port;
#endif
void CardReader::auto_report_sd_status() {
millis_t current_ms = millis();
if (auto_report_sd_interval && ELAPSED(current_ms, next_sd_report_ms)) {
next_sd_report_ms = current_ms + 1000UL * auto_report_sd_interval;
PORT_REDIRECT(auto_report_port);
report_status();
}
}
#endif // AUTO_REPORT_SD_STATUS
#if ENABLED(POWER_LOSS_RECOVERY)
bool CardReader::jobRecoverFileExists() {
const bool exists = recovery.file.open(&root, recovery.filename, O_READ);
if (exists) recovery.file.close();
return exists;
}
void CardReader::openJobRecoveryFile(const bool read) {
if (!isMounted()) return;
if (recovery.file.isOpen()) return;
if (!recovery.file.open(&root, recovery.filename, read ? O_READ : O_CREAT | O_WRITE | O_TRUNC | O_SYNC))
SERIAL_ECHOLNPAIR(STR_SD_OPEN_FILE_FAIL, recovery.filename, ".");
else if (!read)
echo_write_to_file(recovery.filename);
}
// Removing the job recovery file currently requires closing
// the file being printed, so during SD printing the file should
// be zeroed and written instead of deleted.
void CardReader::removeJobRecoveryFile() {
if (jobRecoverFileExists()) {
recovery.init();
removeFile(recovery.filename);
#if ENABLED(DEBUG_POWER_LOSS_RECOVERY)
SERIAL_ECHOPGM("Power-loss file delete");
serialprintPGM(jobRecoverFileExists() ? PSTR(" failed.\n") : PSTR("d.\n"));
#endif
}
}
#endif // POWER_LOSS_RECOVERY
#endif // SDSUPPORT
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