Firmware/Marlin/cardreader.h
2017-10-07 15:07:05 -05:00

191 lines
6.0 KiB
C++

/**
* 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/>.
*
*/
#ifndef CARDREADER_H
#define CARDREADER_H
#include "MarlinConfig.h"
#if ENABLED(SDSUPPORT)
#define MAX_DIR_DEPTH 10 // Maximum folder depth
#include "SdFile.h"
#include "types.h"
#include "enum.h"
class CardReader {
public:
CardReader();
void initsd();
void write_command(char *buf);
//files auto[0-9].g on the sd card are performed in a row
//this is to delay autostart and hence the initialisaiton of the sd card to some seconds after the normal init, so the device is available quick after a reset
void checkautostart(bool x);
void openFile(char* name, bool read, bool push_current=false);
void openLogFile(char* name);
void removeFile(char* name);
void closefile(bool store_location=false);
void release();
void openAndPrintFile(const char *name);
void startFileprint();
void stopSDPrint();
void getStatus();
void printingHasFinished();
#if ENABLED(LONG_FILENAME_HOST_SUPPORT)
void printLongPath(char *path);
#endif
void getfilename(uint16_t nr, const char* const match=NULL);
uint16_t getnrfilenames();
void getAbsFilename(char *t);
void ls();
void chdir(const char *relpath);
void updir();
void setroot();
#if ENABLED(SDCARD_SORT_ALPHA)
void presort();
void getfilename_sorted(const uint16_t nr);
#if ENABLED(SDSORT_GCODE)
FORCE_INLINE void setSortOn(bool b) { sort_alpha = b; presort(); }
FORCE_INLINE void setSortFolders(int i) { sort_folders = i; presort(); }
//FORCE_INLINE void setSortReverse(bool b) { sort_reverse = b; }
#endif
#endif
FORCE_INLINE void pauseSDPrint() { sdprinting = false; }
FORCE_INLINE bool isFileOpen() { return file.isOpen(); }
FORCE_INLINE bool eof() { return sdpos >= filesize; }
FORCE_INLINE int16_t get() { sdpos = file.curPosition(); return (int16_t)file.read(); }
FORCE_INLINE void setIndex(long index) { sdpos = index; file.seekSet(index); }
FORCE_INLINE uint8_t percentDone() { return (isFileOpen() && filesize) ? sdpos / ((filesize + 99) / 100) : 0; }
FORCE_INLINE char* getWorkDirName() { workDir.getFilename(filename); return filename; }
public:
bool saving, logging, sdprinting, cardOK, filenameIsDir;
char filename[FILENAME_LENGTH], longFilename[LONG_FILENAME_LENGTH];
int autostart_index;
private:
SdFile root, *curDir, workDir, workDirParents[MAX_DIR_DEPTH];
uint8_t workDirDepth;
// Sort files and folders alphabetically.
#if ENABLED(SDCARD_SORT_ALPHA)
uint16_t sort_count; // Count of sorted items in the current directory
#if ENABLED(SDSORT_GCODE)
bool sort_alpha; // Flag to enable / disable the feature
int sort_folders; // Flag to enable / disable folder sorting
//bool sort_reverse; // Flag to enable / disable reverse sorting
#endif
// By default the sort index is static
#if ENABLED(SDSORT_DYNAMIC_RAM)
uint8_t *sort_order;
#else
uint8_t sort_order[SDSORT_LIMIT];
#endif
// Cache filenames to speed up SD menus.
#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)
char **sortshort, **sortnames;
#else
char sortshort[SDSORT_LIMIT][FILENAME_LENGTH];
char sortnames[SDSORT_LIMIT][LONG_FILENAME_LENGTH];
#endif
#elif DISABLED(SDSORT_USES_STACK)
char sortnames[SDSORT_LIMIT][LONG_FILENAME_LENGTH];
#endif
// Folder sorting uses an isDir array when caching items.
#if HAS_FOLDER_SORTING
#if ENABLED(SDSORT_DYNAMIC_RAM)
uint8_t *isDir;
#elif ENABLED(SDSORT_CACHE_NAMES) || DISABLED(SDSORT_USES_STACK)
uint8_t isDir[(SDSORT_LIMIT+7)>>3];
#endif
#endif
#endif // SDSORT_USES_RAM
#endif // SDCARD_SORT_ALPHA
Sd2Card card;
SdVolume volume;
SdFile file;
#define SD_PROCEDURE_DEPTH 1
#define MAXPATHNAMELENGTH (FILENAME_LENGTH*MAX_DIR_DEPTH + MAX_DIR_DEPTH + 1)
uint8_t file_subcall_ctr;
uint32_t filespos[SD_PROCEDURE_DEPTH];
char proc_filenames[SD_PROCEDURE_DEPTH][MAXPATHNAMELENGTH];
uint32_t filesize;
uint32_t sdpos;
millis_t next_autostart_ms;
bool autostart_stilltocheck; //the sd start is delayed, because otherwise the serial cannot answer fast enought to make contact with the hostsoftware.
LsAction lsAction; //stored for recursion.
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.
char* diveDirName;
void lsDive(const char *prepend, SdFile parent, const char * const match=NULL);
#if ENABLED(SDCARD_SORT_ALPHA)
void flush_presort();
#endif
};
extern CardReader card;
#define IS_SD_PRINTING (card.sdprinting)
#define IS_SD_FILE_OPEN (card.isFileOpen())
#if PIN_EXISTS(SD_DETECT)
#if ENABLED(SD_DETECT_INVERTED)
#define IS_SD_INSERTED (READ(SD_DETECT_PIN) != 0)
#else
#define IS_SD_INSERTED (READ(SD_DETECT_PIN) == 0)
#endif
#else
//No card detect line? Assume the card is inserted.
#define IS_SD_INSERTED true
#endif
#else
#define IS_SD_PRINTING (false)
#define IS_SD_FILE_OPEN (false)
#endif // SDSUPPORT
#endif // __CARDREADER_H