197 lines
7.1 KiB
C
197 lines
7.1 KiB
C
/* Arduino SdFat Library
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* Copyright (C) 2012 by William Greiman
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*
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* This file is part of the Arduino SdFat Library
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*
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* This Library 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 Library 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 the Arduino SdFat Library. If not, see
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* <http://www.gnu.org/licenses/>.
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*/
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/**
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* \file
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* \brief configuration definitions
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*/
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#ifndef ILI_SdFatConfig_h
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#define ILI_SdFatConfig_h
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#include <stdint.h>
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//------------------------------------------------------------------------------
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/**
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* Set USE_SEPARATE_FAT_CACHE nonzero to use a second 512 byte cache
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* for FAT table entries. Improves performance for large writes that
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* are not a multiple of 512 bytes.
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*/
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#ifdef __arm__
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#define ILI_USE_SEPARATE_FAT_CACHE 1
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#else // __arm__
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#define ILI_USE_SEPARATE_FAT_CACHE 0
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#endif // __arm__
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//------------------------------------------------------------------------------
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/**
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* Set USE_MULTI_BLOCK_SD_IO nonzero to use multi-block SD read/write.
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*
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* Don't use mult-block read/write on small AVR boards.
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*/
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#if defined(RAMEND) && RAMEND < 3000
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#define ILI_USE_MULTI_BLOCK_SD_IO 0
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#else
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#define ILI_USE_MULTI_BLOCK_SD_IO 1
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#endif
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//------------------------------------------------------------------------------
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/**
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* To enable SD card CRC checking set USE_SD_CRC nonzero.
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*
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* Set USE_SD_CRC to 1 to use a smaller slower CRC-CCITT function.
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*
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* Set USE_SD_CRC to 2 to used a larger faster table driven CRC-CCITT function.
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*/
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#define ILI_USE_SD_CRC 0
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//------------------------------------------------------------------------------
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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 about 200 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 ILI_USE_MULTIPLE_CARDS 0
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//------------------------------------------------------------------------------
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/**
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* Set DESTRUCTOR_CLOSES_FILE nonzero to close a file in its destructor.
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*
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* Causes use of lots of heap in ARM.
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*/
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#define ILI_DESTRUCTOR_CLOSES_FILE 0
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//------------------------------------------------------------------------------
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/**
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* For AVR
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*
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* Set USE_SERIAL_FOR_STD_OUT nonzero to use Serial (the HardwareSerial class)
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* for error messages and output from print functions like ls().
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*
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* If USE_SERIAL_FOR_STD_OUT is zero, a small non-interrupt driven class
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* is used to output messages to serial port zero. This allows an alternate
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* Serial library like SerialPort to be used with SdFat.
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*
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* You can redirect stdOut with SdFat::setStdOut(Print* stream) and
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* get the current stream with SdFat::stdOut().
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*/
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#define ILI_USE_SERIAL_FOR_STD_OUT 0
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//------------------------------------------------------------------------------
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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 ILI_ENDL_CALLS_FLUSH 0
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//------------------------------------------------------------------------------
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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 ILI_FAT12_SUPPORT 0
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//------------------------------------------------------------------------------
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/**
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* SPI SCK divisor for SD initialization commands.
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* or greater
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*/
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#ifdef __AVR__
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const uint8_t ILI_SPI_SCK_INIT_DIVISOR = 64;
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#else
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const uint8_t ILI_SPI_SCK_INIT_DIVISOR = 128;
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#endif
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//------------------------------------------------------------------------------
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/**
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* Set ENABLE_SPI_TRANSACTION nonzero to enable the SPI transaction feature
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* of the standard Arduino SPI library. You must include SPI.h in your
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* sketches when ENABLE_SPI_TRANSACTION is nonzero.
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*/
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#define ILI_ENABLE_SPI_TRANSACTION 0
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//------------------------------------------------------------------------------
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/**
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* Set ENABLE_SPI_YIELD nonzero to enable release of the SPI bus during
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* SD card busy waits.
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*
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* This will allow interrupt routines to access the SPI bus if
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* ENABLE_SPI_TRANSACTION is nonzero.
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*
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* Setting ENABLE_SPI_YIELD will introduce some extra overhead and will
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* slightly slow transfer rates. A few older SD cards may fail when
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* ENABLE_SPI_YIELD is nonzero.
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*/
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#define ILI_ENABLE_SPI_YIELD 0
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//------------------------------------------------------------------------------
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/**
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* Force use of Arduino Standard SPI library if USE_ARDUINO_SPI_LIBRARY
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* is nonzero. This will override native and software SPI for all boards.
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*/
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#define ILI_USE_ARDUINO_SPI_LIBRARY 0
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//------------------------------------------------------------------------------
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/**
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* Define AVR_SOF_SPI nonzero to use software SPI on all AVR Arduinos.
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*/
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#define ILI_AVR_SOFT_SPI 0
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//------------------------------------------------------------------------------
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/**
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* Define DUE_SOFT_SPI nonzero to use software SPI on Due Arduinos.
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*/
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#define ILI_DUE_SOFT_SPI 0
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//------------------------------------------------------------------------------
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/**
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* Define LEONARDO_SOFT_SPI nonzero to use software SPI on Leonardo Arduinos.
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* LEONARDO_SOFT_SPI allows an unmodified 328 Shield to be used
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* on Leonardo Arduinos.
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*/
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#define ILI_LEONARDO_SOFT_SPI 0
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//------------------------------------------------------------------------------
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/**
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* Define MEGA_SOFT_SPI nonzero to use software SPI on Mega Arduinos.
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* MEGA_SOFT_SPI allows an unmodified 328 Shield to be used
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* on Mega Arduinos.
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*/
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#define ILI_MEGA_SOFT_SPI 0
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//------------------------------------------------------------------------------
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/**
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* Set TEENSY3_SOFT_SPI nonzero to use software SPI on Teensy 3.x boards.
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*/
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#define ILI_TEENSY3_SOFT_SPI 0
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//------------------------------------------------------------------------------
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/**
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* Define software SPI pins. Default allows Uno shields to be used on other
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* boards.
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*/
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// define software SPI pins
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/** Default Software SPI chip select pin */
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uint8_t const ILI_SOFT_SPI_CS_PIN = 10;
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/** Software SPI Master Out Slave In pin */
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uint8_t const ILI_SOFT_SPI_MOSI_PIN = 11;
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/** Software SPI Master In Slave Out pin */
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uint8_t const ILI_SOFT_SPI_MISO_PIN = 12;
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/** Software SPI Clock pin */
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uint8_t const ILI_SOFT_SPI_SCK_PIN = 13;
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#endif // SdFatConfig_h
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