125 lines
4 KiB
C++
125 lines
4 KiB
C++
/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef CARDREADER_H
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#define CARDREADER_H
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#if ENABLED(SDSUPPORT)
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#define MAX_DIR_DEPTH 10 // Maximum folder depth
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#include "SdFile.h"
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enum LsAction { LS_SerialPrint, LS_Count, LS_GetFilename };
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class CardReader {
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public:
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CardReader();
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void initsd();
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void write_command(char *buf);
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//files auto[0-9].g on the sd card are performed in a row
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//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
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void checkautostart(bool x);
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void openFile(char* name, bool read, bool push_current=false);
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void openLogFile(char* name);
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void removeFile(char* name);
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void closefile(bool store_location=false);
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void release();
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void openAndPrintFile(const char *name);
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void startFileprint();
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void pauseSDPrint();
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void stopSDPrint();
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void getStatus();
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void printingHasFinished();
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#if ENABLED(LONG_FILENAME_HOST_SUPPORT)
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void printLongPath(char *path);
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#endif
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void getfilename(uint16_t nr, const char* const match=NULL);
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uint16_t getnrfilenames();
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void getAbsFilename(char *t);
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void ls();
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void chdir(const char *relpath);
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void updir();
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void setroot();
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FORCE_INLINE bool isFileOpen() { return file.isOpen(); }
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FORCE_INLINE bool eof() { return sdpos >= filesize; }
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FORCE_INLINE int16_t get() { sdpos = file.curPosition(); return (int16_t)file.read(); }
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FORCE_INLINE void setIndex(long index) { sdpos = index; file.seekSet(index); }
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FORCE_INLINE uint8_t percentDone() { return (isFileOpen() && filesize) ? sdpos / ((filesize + 99) / 100) : 0; }
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FORCE_INLINE char* getWorkDirName() { workDir.getFilename(filename); return filename; }
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public:
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bool saving, logging, sdprinting, cardOK, filenameIsDir;
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char filename[FILENAME_LENGTH], longFilename[LONG_FILENAME_LENGTH];
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int autostart_index;
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private:
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SdFile root, *curDir, workDir, workDirParents[MAX_DIR_DEPTH];
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uint8_t workDirDepth;
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Sd2Card card;
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SdVolume volume;
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SdFile file;
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#define SD_PROCEDURE_DEPTH 1
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#define MAXPATHNAMELENGTH (FILENAME_LENGTH*MAX_DIR_DEPTH + MAX_DIR_DEPTH + 1)
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uint8_t file_subcall_ctr;
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uint32_t filespos[SD_PROCEDURE_DEPTH];
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char proc_filenames[SD_PROCEDURE_DEPTH][MAXPATHNAMELENGTH];
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uint32_t filesize;
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uint32_t sdpos;
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millis_t next_autostart_ms;
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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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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, const char * const match=NULL);
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};
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extern CardReader card;
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#define IS_SD_PRINTING (card.sdprinting)
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#if PIN_EXISTS(SD_DETECT)
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#if ENABLED(SD_DETECT_INVERTED)
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#define IS_SD_INSERTED (READ(SD_DETECT_PIN) != 0)
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#else
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#define IS_SD_INSERTED (READ(SD_DETECT_PIN) == 0)
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#endif
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#else
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//No card detect line? Assume the card is inserted.
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#define IS_SD_INSERTED true
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#endif
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#else
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#define IS_SD_PRINTING (false)
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#endif //SDSUPPORT
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#endif //__CARDREADER_H
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