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Add SCROLL_LONG_FILENAMES option

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This commit is contained in:
Scott Lahteine
2017-10-18 22:15:33 -05:00
parent 9e5cbf0198
commit 783ddf9691
37 changed files with 204 additions and 45 deletions
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2
Marlin/src/sd/SdBaseFile.cpp
View File

@ -1146,7 +1146,7 @@ int8_t SdBaseFile::readDir(dir_t* dir, char* longFilename) {
vfat_t* VFAT = (vfat_t*)dir;
// Sanity-check the VFAT entry. The first cluster is always set to zero. And the sequence number should be higher than 0
if (VFAT->firstClusterLow == 0 && (VFAT->sequenceNumber & 0x1F) > 0 && (VFAT->sequenceNumber & 0x1F) <= MAX_VFAT_ENTRIES) {
// TODO: Store the filename checksum to verify if a none-long filename aware system modified the file table.
// TODO: Store the filename checksum to verify if a long-filename-unaware system modified the file table.
n = ((VFAT->sequenceNumber & 0x1F) - 1) * (FILENAME_LENGTH);
for (uint8_t i = 0; i < FILENAME_LENGTH; i++)
longFilename[n + i] = (i < 5) ? VFAT->name1[i] : (i < 11) ? VFAT->name2[i - 5] : VFAT->name3[i - 11];

70
Marlin/src/sd/SdFatConfig.h
View File

@ -21,20 +21,20 @@
*/
/**
* SdFatConfig.h
* Arduino SdFat Library
* Copyright (C) 2009 by William Greiman
*
* This file is part of the Arduino Sd2Card Library
*/
/**
* \file
* \brief configuration definitions
*/
#ifndef SDFATCONFIG_H
#define SDFATCONFIG_H
#ifndef _SDFATCONFIG_H_
#define _SDFATCONFIG_H_
#include "../inc/MarlinConfig.h"
//------------------------------------------------------------------------------
/**
* To use multiple SD cards set USE_MULTIPLE_CARDS nonzero.
*
@ -43,7 +43,9 @@
* Each card requires about 550 bytes of SRAM so use of a Mega is recommended.
*/
#define USE_MULTIPLE_CARDS 0
//------------------------------------------------------------------------------
/**
* Call flush for endl if ENDL_CALLS_FLUSH is nonzero
*
@ -62,30 +64,40 @@
* all data to be written to the SD.
*/
#define ENDL_CALLS_FLUSH 0
//------------------------------------------------------------------------------
/**
* Allow use of deprecated functions if ALLOW_DEPRECATED_FUNCTIONS is nonzero
*/
#define ALLOW_DEPRECATED_FUNCTIONS 1
//------------------------------------------------------------------------------
/**
* Allow FAT12 volumes if FAT12_SUPPORT is nonzero.
* FAT12 has not been well tested.
*/
#define FAT12_SUPPORT 0
//------------------------------------------------------------------------------
/**
* SPI init rate for SD initialization commands. Must be 5 (F_CPU/64)
* or 6 (F_CPU/128).
*/
#define SPI_SD_INIT_RATE 5
//------------------------------------------------------------------------------
/**
* Set the SS pin high for hardware SPI. If SS is chip select for another SPI
* device this will disable that device during the SD init phase.
*/
#define SET_SPI_SS_HIGH 1
//------------------------------------------------------------------------------
/**
* Define MEGA_SOFT_SPI nonzero to use software SPI on Mega Arduinos.
* Pins used are SS 10, MOSI 11, MISO 12, and SCK 13.
@ -95,36 +107,40 @@
* but many SD cards will fail with GPS Shield V1.0.
*/
#define MEGA_SOFT_SPI 0
//------------------------------------------------------------------------------
/**
* Set USE_SOFTWARE_SPI nonzero to always use software SPI.
*/
// Set USE_SOFTWARE_SPI nonzero to ALWAYS use Software SPI.
#define USE_SOFTWARE_SPI 0
// define software SPI pins so Mega can use unmodified 168/328 shields
/** Software SPI chip select pin for the SD */
#define SOFT_SPI_CS_PIN 10
/** Software SPI Master Out Slave In pin */
#define SOFT_SPI_MOSI_PIN 11
/** Software SPI Master In Slave Out pin */
#define SOFT_SPI_MISO_PIN 12
/** Software SPI Clock pin */
#define SOFT_SPI_SCK_PIN 13
// Define software SPI pins so Mega can use unmodified 168/328 shields
#define SOFT_SPI_CS_PIN 10 // Software SPI chip select pin for the SD
#define SOFT_SPI_MOSI_PIN 11 // Software SPI Master Out Slave In pin
#define SOFT_SPI_MISO_PIN 12 // Software SPI Master In Slave Out pin
#define SOFT_SPI_SCK_PIN 13 // Software SPI Clock pin
//------------------------------------------------------------------------------
/**
* The __cxa_pure_virtual function is an error handler that is invoked when
* a pure virtual function is called.
*/
#define USE_CXA_PURE_VIRTUAL 1
/** Number of UTF-16 characters per entry */
#define FILENAME_LENGTH 13
/**
* Defines for long (vfat) filenames
* Defines for 8.3 and long (vfat) filenames
*/
/** Number of VFAT entries used. Every entry has 13 UTF-16 characters */
#define MAX_VFAT_ENTRIES (2)
/** Total size of the buffer used to store the long filenames */
#define LONG_FILENAME_LENGTH (FILENAME_LENGTH*MAX_VFAT_ENTRIES+1)
#endif // SDFATCONFIG_H
#define FILENAME_LENGTH 13 // Number of UTF-16 characters per entry
// Number of VFAT entries used. Each entry has 13 UTF-16 characters
#if ENABLED(SCROLL_LONG_FILENAMES)
#define MAX_VFAT_ENTRIES (5)
#else
#define MAX_VFAT_ENTRIES (2)
#endif
// Total bytes needed to store a single long filename
#define LONG_FILENAME_LENGTH (FILENAME_LENGTH * MAX_VFAT_ENTRIES + 1)
#endif // _SDFATCONFIG_H_