1
0
mirror of https://github.com/MarlinFirmware/Marlin.git synced 2024-12-04 18:07:38 +00:00
MarlinFirmware/Marlin/src/sd/usb_flashdrive/Sd2Card_FlashDrive.h
2021-01-15 17:44:16 -06:00

79 lines
2.6 KiB
C++

/**
* Marlin 3D Printer Firmware
* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
*
* Based on Sprinter and grbl.
* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
*
* This program 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 program 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 this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
#pragma once
/**
* \file
* \brief Sd2Card class for USB Flash Drive
*/
#include "../SdFatConfig.h"
#include "../SdInfo.h"
#if DISABLED(USE_OTG_USB_HOST)
/**
* Define SOFTWARE_SPI to use bit-bang SPI
*/
#if EITHER(MEGA_SOFT_SPI, USE_SOFTWARE_SPI)
#define SOFTWARE_SPI
#endif
// SPI pin definitions - do not edit here - change in SdFatConfig.h
#if ENABLED(SOFTWARE_SPI)
#warning "Auto-assigning '10' as the SD_CHIP_SELECT_PIN."
#define SD_CHIP_SELECT_PIN 10 // Software SPI chip select pin for the SD
#else
// hardware pin defs
#define SD_CHIP_SELECT_PIN SD_SS_PIN // The default chip select pin for the SD card is SS.
#endif
#endif
class Sd2Card {
private:
uint32_t pos;
static void usbStateDebug();
public:
static bool usbStartup();
bool init(const uint8_t sckRateID=0, const pin_t chipSelectPin=TERN(USE_OTG_USB_HOST, 0, SD_CHIP_SELECT_PIN));
static void idle();
inline bool readStart(const uint32_t block) { pos = block; return isReady(); }
inline bool readData(uint8_t* dst) { return readBlock(pos++, dst); }
inline bool readStop() const { return true; }
inline bool writeStart(const uint32_t block, const uint32_t) { pos = block; return isReady(); }
inline bool writeData(uint8_t* src) { return writeBlock(pos++, src); }
inline bool writeStop() const { return true; }
bool readBlock(uint32_t block, uint8_t* dst);
bool writeBlock(uint32_t blockNumber, const uint8_t* src);
bool readCSD(csd_t*) { return true; }
uint32_t cardSize();
static bool isInserted();
bool isReady();
};