/* Arduino SdFat Library * Copyright (C) 2009 by William Greiman * * This file is part of the Arduino SdFat Library * * This Library is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This Library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with the Arduino SdFat Library. If not, see * . */ /** * \file * \brief configuration definitions */ #include "Marlin.h" #ifdef SDSUPPORT #ifndef SdFatConfig_h #define SdFatConfig_h #include //------------------------------------------------------------------------------ /** * To use multiple SD cards set USE_MULTIPLE_CARDS nonzero. * * Using multiple cards costs 400 - 500 bytes of flash. * * 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 * * The standard for iostreams is to call flush. This is very costly for * SdFat. Each call to flush causes 2048 bytes of I/O to the SD. * * SdFat has a single 512 byte buffer for SD I/O so it must write the current * data block to the SD, read the directory block from the SD, update the * directory entry, write the directory block to the SD and read the data * block back into the buffer. * * The SD flash memory controller is not designed for this many rewrites * so performance may be reduced by more than a factor of 100. * * If ENDL_CALLS_FLUSH is zero, you must call flush and/or close to force * 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. * * MEGA_SOFT_SPI allows an unmodified Adafruit GPS Shield to be used * on Mega Arduinos. Software SPI works well with GPS Shield V1.1 * 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. */ #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 */ uint8_t const SOFT_SPI_CS_PIN = 10; /** Software SPI Master Out Slave In pin */ uint8_t const SOFT_SPI_MOSI_PIN = 11; /** Software SPI Master In Slave Out pin */ uint8_t const SOFT_SPI_MISO_PIN = 12; /** Software SPI Clock pin */ uint8_t const SOFT_SPI_SCK_PIN = 13; //------------------------------------------------------------------------------ /** * 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 /** * Defines for long (vfat) filenames */ /** Number of VFAT entries used. Every entry has 13 UTF-16 characters */ #define MAX_VFAT_ENTRIES (4) /** Number of UTF-16 characters per entry */ #define FILENAME_LENGTH 13 /** Total size of the buffer used to store the long filenames */ #define LONG_FILENAME_LENGTH (13*MAX_VFAT_ENTRIES+1) #endif // SdFatConfig_h #endif