SdFatConfig.h 3.6 KB

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  1. /**
  2. * Marlin 3D Printer Firmware
  3. * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  4. *
  5. * Based on Sprinter and grbl.
  6. * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
  7. *
  8. * This program is free software: you can redistribute it and/or modify
  9. * it under the terms of the GNU General Public License as published by
  10. * the Free Software Foundation, either version 3 of the License, or
  11. * (at your option) any later version.
  12. *
  13. * This program is distributed in the hope that it will be useful,
  14. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  16. * GNU General Public License for more details.
  17. *
  18. * You should have received a copy of the GNU General Public License
  19. * along with this program. If not, see <http://www.gnu.org/licenses/>.
  20. *
  21. */
  22. /**
  23. * SdFatConfig.h
  24. * Arduino SdFat Library
  25. * Copyright (C) 2009 by William Greiman
  26. *
  27. * This file is part of the Arduino Sd2Card Library
  28. */
  29. #ifndef _SDFATCONFIG_H_
  30. #define _SDFATCONFIG_H_
  31. #include "MarlinConfig.h"
  32. /**
  33. * To use multiple SD cards set USE_MULTIPLE_CARDS nonzero.
  34. *
  35. * Using multiple cards costs 400 - 500 bytes of flash.
  36. *
  37. * Each card requires about 550 bytes of SRAM so use of a Mega is recommended.
  38. */
  39. #define USE_MULTIPLE_CARDS 0
  40. /**
  41. * Call flush for endl if ENDL_CALLS_FLUSH is nonzero
  42. *
  43. * The standard for iostreams is to call flush. This is very costly for
  44. * SdFat. Each call to flush causes 2048 bytes of I/O to the SD.
  45. *
  46. * SdFat has a single 512 byte buffer for SD I/O so it must write the current
  47. * data block to the SD, read the directory block from the SD, update the
  48. * directory entry, write the directory block to the SD and read the data
  49. * block back into the buffer.
  50. *
  51. * The SD flash memory controller is not designed for this many rewrites
  52. * so performance may be reduced by more than a factor of 100.
  53. *
  54. * If ENDL_CALLS_FLUSH is zero, you must call flush and/or close to force
  55. * all data to be written to the SD.
  56. */
  57. #define ENDL_CALLS_FLUSH 0
  58. /**
  59. * Allow FAT12 volumes if FAT12_SUPPORT is nonzero.
  60. * FAT12 has not been well tested.
  61. */
  62. #define FAT12_SUPPORT 0
  63. /**
  64. * SPI init rate for SD initialization commands. Must be 5 (F_CPU/64)
  65. * or 6 (F_CPU/128).
  66. */
  67. #define SPI_SD_INIT_RATE 5
  68. /**
  69. * Set the SS pin high for hardware SPI. If SS is chip select for another SPI
  70. * device this will disable that device during the SD init phase.
  71. */
  72. #define SET_SPI_SS_HIGH 1
  73. /**
  74. * Define MEGA_SOFT_SPI nonzero to use software SPI on Mega Arduinos.
  75. * Pins used are SS 10, MOSI 11, MISO 12, and SCK 13.
  76. *
  77. * MEGA_SOFT_SPI allows an unmodified Adafruit GPS Shield to be used
  78. * on Mega Arduinos. Software SPI works well with GPS Shield V1.1
  79. * but many SD cards will fail with GPS Shield V1.0.
  80. */
  81. #define MEGA_SOFT_SPI 0
  82. // Set USE_SOFTWARE_SPI nonzero to ALWAYS use Software SPI.
  83. #define USE_SOFTWARE_SPI 0
  84. // Define software SPI pins so Mega can use unmodified 168/328 shields
  85. #define SOFT_SPI_CS_PIN 10 // Software SPI chip select pin for the SD
  86. #define SOFT_SPI_MOSI_PIN 11 // Software SPI Master Out Slave In pin
  87. #define SOFT_SPI_MISO_PIN 12 // Software SPI Master In Slave Out pin
  88. #define SOFT_SPI_SCK_PIN 13 // Software SPI Clock pin
  89. /**
  90. * The __cxa_pure_virtual function is an error handler that is invoked when
  91. * a pure virtual function is called.
  92. */
  93. #define USE_CXA_PURE_VIRTUAL 1
  94. /**
  95. * Defines for 8.3 and long (vfat) filenames
  96. */
  97. #define FILENAME_LENGTH 13 // Number of UTF-16 characters per entry
  98. // Total bytes needed to store a single long filename
  99. #define LONG_FILENAME_LENGTH (FILENAME_LENGTH * MAX_VFAT_ENTRIES + 1)
  100. #endif // _SDFATCONFIG_H_