Multi-Volume. Select Media for LVGL (#21344)

Marlin/src/sd/disk_io_driver.h

@@ -0,0 +1,67 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 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
+
+#include <stdint.h>
+
+/**
+ * DiskIO Interace
+ *
+ * Interface for low level disk io
+ */
+class DiskIODriver {
+public:
+  /**
+   * Initialize an SD flash memory card with default clock rate and chip
+   * select pin.  See sd2Card::init(uint8_t sckRateID, uint8_t chipSelectPin).
+   *
+   * \return true for success or false for failure.
+   */
+  virtual bool init(const uint8_t sckRateID, const pin_t chipSelectPin) = 0; //TODO: only for SPI
+
+  /**
+   * Read a card's CSD register. The CSD contains Card-Specific Data that
+   * provides information regarding access to the card's contents.
+   *
+   * \param[out] csd pointer to area for returned data.
+   *
+   * \return true for success or false for failure.
+   */
+  virtual bool readCSD(csd_t* csd) = 0;
+
+  virtual bool readStart(const uint32_t block) = 0;
+  virtual bool readData(uint8_t* dst) = 0;
+  virtual bool readStop() = 0;
+
+  virtual bool writeStart(const uint32_t block, const uint32_t) = 0;
+  virtual bool writeData(const uint8_t* src) = 0;
+  virtual bool writeStop() = 0;
+
+  virtual bool readBlock(uint32_t block, uint8_t* dst) = 0;
+  virtual bool writeBlock(uint32_t blockNumber, const uint8_t* src) = 0;
+
+  virtual uint32_t cardSize() = 0;
+
+  virtual bool isReady() = 0;
+
+  virtual void idle() = 0;
+};