mirror of
https://github.com/MarlinFirmware/Marlin.git
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252 lines
9.0 KiB
C++
252 lines
9.0 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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* Arduino Sd2Card 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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#include "Marlin.h"
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#if ENABLED(SDSUPPORT)
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#ifndef Sd2Card_h
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#define Sd2Card_h
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/**
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* \file
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* \brief Sd2Card class for V2 SD/SDHC cards
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*/
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#include "SdFatConfig.h"
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#include "SdInfo.h"
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//------------------------------------------------------------------------------
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// SPI speed is F_CPU/2^(1 + index), 0 <= index <= 6
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/** Set SCK to max rate of F_CPU/2. See Sd2Card::setSckRate(). */
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uint8_t const SPI_FULL_SPEED = 0;
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/** Set SCK rate to F_CPU/4. See Sd2Card::setSckRate(). */
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uint8_t const SPI_HALF_SPEED = 1;
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/** Set SCK rate to F_CPU/8. See Sd2Card::setSckRate(). */
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uint8_t const SPI_QUARTER_SPEED = 2;
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/** Set SCK rate to F_CPU/16. See Sd2Card::setSckRate(). */
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uint8_t const SPI_EIGHTH_SPEED = 3;
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/** Set SCK rate to F_CPU/32. See Sd2Card::setSckRate(). */
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uint8_t const SPI_SIXTEENTH_SPEED = 4;
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//------------------------------------------------------------------------------
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/** init timeout ms */
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uint16_t const SD_INIT_TIMEOUT = 2000;
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/** erase timeout ms */
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uint16_t const SD_ERASE_TIMEOUT = 10000;
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/** read timeout ms */
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uint16_t const SD_READ_TIMEOUT = 300;
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/** write time out ms */
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uint16_t const SD_WRITE_TIMEOUT = 600;
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//------------------------------------------------------------------------------
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// SD card errors
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/** timeout error for command CMD0 (initialize card in SPI mode) */
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uint8_t const SD_CARD_ERROR_CMD0 = 0X1;
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/** CMD8 was not accepted - not a valid SD card*/
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uint8_t const SD_CARD_ERROR_CMD8 = 0X2;
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/** card returned an error response for CMD12 (write stop) */
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uint8_t const SD_CARD_ERROR_CMD12 = 0X3;
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/** card returned an error response for CMD17 (read block) */
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uint8_t const SD_CARD_ERROR_CMD17 = 0X4;
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/** card returned an error response for CMD18 (read multiple block) */
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uint8_t const SD_CARD_ERROR_CMD18 = 0X5;
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/** card returned an error response for CMD24 (write block) */
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uint8_t const SD_CARD_ERROR_CMD24 = 0X6;
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/** WRITE_MULTIPLE_BLOCKS command failed */
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uint8_t const SD_CARD_ERROR_CMD25 = 0X7;
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/** card returned an error response for CMD58 (read OCR) */
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uint8_t const SD_CARD_ERROR_CMD58 = 0X8;
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/** SET_WR_BLK_ERASE_COUNT failed */
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uint8_t const SD_CARD_ERROR_ACMD23 = 0X9;
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/** ACMD41 initialization process timeout */
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uint8_t const SD_CARD_ERROR_ACMD41 = 0XA;
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/** card returned a bad CSR version field */
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uint8_t const SD_CARD_ERROR_BAD_CSD = 0XB;
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/** erase block group command failed */
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uint8_t const SD_CARD_ERROR_ERASE = 0XC;
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/** card not capable of single block erase */
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uint8_t const SD_CARD_ERROR_ERASE_SINGLE_BLOCK = 0XD;
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/** Erase sequence timed out */
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uint8_t const SD_CARD_ERROR_ERASE_TIMEOUT = 0XE;
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/** card returned an error token instead of read data */
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uint8_t const SD_CARD_ERROR_READ = 0XF;
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/** read CID or CSD failed */
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uint8_t const SD_CARD_ERROR_READ_REG = 0X10;
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/** timeout while waiting for start of read data */
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uint8_t const SD_CARD_ERROR_READ_TIMEOUT = 0X11;
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/** card did not accept STOP_TRAN_TOKEN */
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uint8_t const SD_CARD_ERROR_STOP_TRAN = 0X12;
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/** card returned an error token as a response to a write operation */
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uint8_t const SD_CARD_ERROR_WRITE = 0X13;
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/** attempt to write protected block zero */
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uint8_t const SD_CARD_ERROR_WRITE_BLOCK_ZERO = 0X14; // REMOVE - not used
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/** card did not go ready for a multiple block write */
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uint8_t const SD_CARD_ERROR_WRITE_MULTIPLE = 0X15;
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/** card returned an error to a CMD13 status check after a write */
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uint8_t const SD_CARD_ERROR_WRITE_PROGRAMMING = 0X16;
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/** timeout occurred during write programming */
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uint8_t const SD_CARD_ERROR_WRITE_TIMEOUT = 0X17;
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/** incorrect rate selected */
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uint8_t const SD_CARD_ERROR_SCK_RATE = 0X18;
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/** init() not called */
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uint8_t const SD_CARD_ERROR_INIT_NOT_CALLED = 0X19;
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/** crc check error */
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uint8_t const SD_CARD_ERROR_CRC = 0X20;
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//------------------------------------------------------------------------------
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// card types
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/** Standard capacity V1 SD card */
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uint8_t const SD_CARD_TYPE_SD1 = 1;
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/** Standard capacity V2 SD card */
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uint8_t const SD_CARD_TYPE_SD2 = 2;
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/** High Capacity SD card */
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uint8_t const SD_CARD_TYPE_SDHC = 3;
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/**
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* define SOFTWARE_SPI to use bit-bang SPI
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*/
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//------------------------------------------------------------------------------
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#if MEGA_SOFT_SPI && (defined(__AVR_ATmega1280__)||defined(__AVR_ATmega2560__))
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#define SOFTWARE_SPI
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#elif USE_SOFTWARE_SPI
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#define SOFTWARE_SPI
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#endif // MEGA_SOFT_SPI
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//------------------------------------------------------------------------------
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// SPI pin definitions - do not edit here - change in SdFatConfig.h
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//
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#if DISABLED(SOFTWARE_SPI)
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// hardware pin defs
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/** The default chip select pin for the SD card is SS. */
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#define SD_CHIP_SELECT_PIN SS_PIN
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// The following three pins must not be redefined for hardware SPI.
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/** SPI Master Out Slave In pin */
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#define SPI_MOSI_PIN MOSI_PIN
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/** SPI Master In Slave Out pin */
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#define SPI_MISO_PIN MISO_PIN
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/** SPI Clock pin */
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#define SPI_SCK_PIN SCK_PIN
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#else // SOFTWARE_SPI
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/** SPI chip select pin */
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#define SD_CHIP_SELECT_PIN SOFT_SPI_CS_PIN
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/** SPI Master Out Slave In pin */
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#define SPI_MOSI_PIN SOFT_SPI_MOSI_PIN
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/** SPI Master In Slave Out pin */
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#define SPI_MISO_PIN SOFT_SPI_MISO_PIN
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/** SPI Clock pin */
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#define SPI_SCK_PIN SOFT_SPI_SCK_PIN
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#endif // SOFTWARE_SPI
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//------------------------------------------------------------------------------
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/**
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* \class Sd2Card
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* \brief Raw access to SD and SDHC flash memory cards.
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*/
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class Sd2Card {
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public:
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/** Construct an instance of Sd2Card. */
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Sd2Card() : errorCode_(SD_CARD_ERROR_INIT_NOT_CALLED), type_(0) {}
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uint32_t cardSize();
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bool erase(uint32_t firstBlock, uint32_t lastBlock);
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bool eraseSingleBlockEnable();
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/**
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* Set SD error code.
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* \param[in] code value for error code.
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*/
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void error(uint8_t code) {errorCode_ = code;}
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/**
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* \return error code for last error. See Sd2Card.h for a list of error codes.
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*/
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int errorCode() const {return errorCode_;}
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/** \return error data for last error. */
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int errorData() const {return status_;}
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/**
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* Initialize an SD flash memory card with default clock rate and chip
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* select pin. See sd2Card::init(uint8_t sckRateID, uint8_t chipSelectPin).
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*
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* \return true for success or false for failure.
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*/
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bool init(uint8_t sckRateID = SPI_FULL_SPEED,
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uint8_t chipSelectPin = SD_CHIP_SELECT_PIN);
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bool readBlock(uint32_t block, uint8_t* dst);
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/**
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* Read a card's CID register. The CID contains card identification
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* information such as Manufacturer ID, Product name, Product serial
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* number and Manufacturing date.
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*
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* \param[out] cid pointer to area for returned data.
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*
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* \return true for success or false for failure.
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*/
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bool readCID(cid_t* cid) {
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return readRegister(CMD10, cid);
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}
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/**
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* Read a card's CSD register. The CSD contains Card-Specific Data that
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* provides information regarding access to the card's contents.
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*
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* \param[out] csd pointer to area for returned data.
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*
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* \return true for success or false for failure.
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*/
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bool readCSD(csd_t* csd) {
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return readRegister(CMD9, csd);
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}
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bool readData(uint8_t* dst);
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bool readStart(uint32_t blockNumber);
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bool readStop();
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bool setSckRate(uint8_t sckRateID);
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/** Return the card type: SD V1, SD V2 or SDHC
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* \return 0 - SD V1, 1 - SD V2, or 3 - SDHC.
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*/
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int type() const {return type_;}
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bool writeBlock(uint32_t blockNumber, const uint8_t* src);
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bool writeData(const uint8_t* src);
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bool writeStart(uint32_t blockNumber, uint32_t eraseCount);
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bool writeStop();
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private:
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//----------------------------------------------------------------------------
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uint8_t chipSelectPin_;
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uint8_t errorCode_;
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uint8_t spiRate_;
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uint8_t status_;
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uint8_t type_;
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// private functions
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uint8_t cardAcmd(uint8_t cmd, uint32_t arg) {
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cardCommand(CMD55, 0);
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return cardCommand(cmd, arg);
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}
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uint8_t cardCommand(uint8_t cmd, uint32_t arg);
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bool readData(uint8_t* dst, uint16_t count);
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bool readRegister(uint8_t cmd, void* buf);
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void chipSelectHigh();
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void chipSelectLow();
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void type(uint8_t value) {type_ = value;}
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bool waitNotBusy(uint16_t timeoutMillis);
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bool writeData(uint8_t token, const uint8_t* src);
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};
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#endif // Sd2Card_h
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#endif
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