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123 lines
3.7 KiB
C
123 lines
3.7 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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/**
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* SdFatConfig.h
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* Arduino SdFat Library
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* Copyright (C) 2009 by William Greiman
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*
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* This file is part of the Arduino Sd2Card Library
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*/
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#ifndef _SDFATCONFIG_H_
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#define _SDFATCONFIG_H_
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#include "../inc/MarlinConfig.h"
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/**
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* To use multiple SD cards set USE_MULTIPLE_CARDS nonzero.
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*
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* Using multiple cards costs 400 - 500 bytes of flash.
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*
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* Each card requires about 550 bytes of SRAM so use of a Mega is recommended.
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*/
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#define USE_MULTIPLE_CARDS 0
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/**
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* Call flush for endl if ENDL_CALLS_FLUSH is nonzero
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*
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* The standard for iostreams is to call flush. This is very costly for
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* SdFat. Each call to flush causes 2048 bytes of I/O to the SD.
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*
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* SdFat has a single 512 byte buffer for SD I/O so it must write the current
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* data block to the SD, read the directory block from the SD, update the
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* directory entry, write the directory block to the SD and read the data
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* block back into the buffer.
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*
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* The SD flash memory controller is not designed for this many rewrites
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* so performance may be reduced by more than a factor of 100.
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*
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* If ENDL_CALLS_FLUSH is zero, you must call flush and/or close to force
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* all data to be written to the SD.
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*/
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#define ENDL_CALLS_FLUSH 0
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/**
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* Allow use of deprecated functions if ALLOW_DEPRECATED_FUNCTIONS is nonzero
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*/
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#define ALLOW_DEPRECATED_FUNCTIONS 1
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/**
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* Allow FAT12 volumes if FAT12_SUPPORT is nonzero.
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* FAT12 has not been well tested.
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*/
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#define FAT12_SUPPORT 0
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/**
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* SPI init rate for SD initialization commands. Must be 5 (F_CPU/64)
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* or 6 (F_CPU/128).
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*/
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#define SPI_SD_INIT_RATE 5
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/**
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* Set the SS pin high for hardware SPI. If SS is chip select for another SPI
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* device this will disable that device during the SD init phase.
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*/
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#define SET_SPI_SS_HIGH 1
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/**
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* Define MEGA_SOFT_SPI nonzero to use software SPI on Mega Arduinos.
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* Pins used are SS 10, MOSI 11, MISO 12, and SCK 13.
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*
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* MEGA_SOFT_SPI allows an unmodified Adafruit GPS Shield to be used
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* on Mega Arduinos. Software SPI works well with GPS Shield V1.1
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* but many SD cards will fail with GPS Shield V1.0.
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*/
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#define MEGA_SOFT_SPI 0
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// Set USE_SOFTWARE_SPI nonzero to ALWAYS use Software SPI.
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#define USE_SOFTWARE_SPI 0
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// Define software SPI pins so Mega can use unmodified 168/328 shields
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#define SOFT_SPI_CS_PIN 10 // Software SPI chip select pin for the SD
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#define SOFT_SPI_MOSI_PIN 11 // Software SPI Master Out Slave In pin
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#define SOFT_SPI_MISO_PIN 12 // Software SPI Master In Slave Out pin
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#define SOFT_SPI_SCK_PIN 13 // Software SPI Clock pin
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/**
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* The __cxa_pure_virtual function is an error handler that is invoked when
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* a pure virtual function is called.
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*/
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#define USE_CXA_PURE_VIRTUAL 1
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/**
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* Defines for 8.3 and long (vfat) filenames
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*/
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#define FILENAME_LENGTH 13 // Number of UTF-16 characters per entry
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// Total bytes needed to store a single long filename
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#define LONG_FILENAME_LENGTH (FILENAME_LENGTH * MAX_VFAT_ENTRIES + 1)
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#endif // _SDFATCONFIG_H_
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