92 lines
2.8 KiB
C
92 lines
2.8 KiB
C
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/**
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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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* \file
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* \brief Sd2Card class for V2 SD/SDHC cards
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*/
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#ifndef _SD2CARD_FLASHDRIVE_H_
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#define _SD2CARD_FLASHDRIVE_H_
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#include "../SdFatConfig.h"
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#include "../SdInfo.h"
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/**
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* define SOFTWARE_SPI to use bit-bang SPI
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*/
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#if MEGA_SOFT_SPI || USE_SOFTWARE_SPI
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#define SOFTWARE_SPI
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#endif
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// SPI pin definitions - do not edit here - change in SdFatConfig.h
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#if DISABLED(SOFTWARE_SPI)
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// hardware pin defs
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#define SD_CHIP_SELECT_PIN SS_PIN // The default chip select pin for the SD card is SS.
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// The following three pins must not be redefined for hardware SPI.
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#define SPI_MOSI_PIN MOSI_PIN // SPI Master Out Slave In pin
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#define SPI_MISO_PIN MISO_PIN // SPI Master In Slave Out pin
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#define SPI_SCK_PIN SCK_PIN // SPI Clock pin
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#else // SOFTWARE_SPI
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#define SD_CHIP_SELECT_PIN SOFT_SPI_CS_PIN // SPI chip select pin
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#define SPI_MOSI_PIN SOFT_SPI_MOSI_PIN // SPI Master Out Slave In pin
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#define SPI_MISO_PIN SOFT_SPI_MISO_PIN // SPI Master In Slave Out pin
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#define SPI_SCK_PIN SOFT_SPI_SCK_PIN // SPI Clock pin
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#endif // SOFTWARE_SPI
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class Sd2Card {
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private:
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typedef enum {
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USB_HOST_DELAY_INIT,
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USB_HOST_WAITING,
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USB_HOST_UNINITIALIZED,
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USB_HOST_INITIALIZED
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} state_t;
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static state_t state;
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static uint32_t block;
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static bool usbHostReady();
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public:
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static void idle();
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static bool isInserted();
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uint32_t cardSize();
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bool init(uint8_t sckRateID = 0, uint8_t chipSelectPin = SD_CHIP_SELECT_PIN);
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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 readBlock(uint32_t block, uint8_t* dst);
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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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bool writeBlock(uint32_t blockNumber, const uint8_t* src);
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};
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#endif // _SD2CARD_FLASHDRIVE_H_
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