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- /**
- * Marlin 3D Printer Firmware
- *
- * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- * Copyright (c) 2019 BigTreeTech [https://github.com/bigtreetech]
- *
- * 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.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- *
- */
- #include "../platforms.h"
-
- #ifdef HAL_STM32
-
- #include "../../inc/MarlinConfigPre.h"
-
- #if HAS_SD_HOST_DRIVE
-
- #include "../shared/Marduino.h"
- #include "msc_sd.h"
- #include "usbd_core.h"
-
- #include "../../sd/cardreader.h"
-
- #include <USB.h>
- #include <USBMscHandler.h>
-
- #define BLOCK_SIZE 512
- #define PRODUCT_ID 0x29
-
- class Sd2CardUSBMscHandler : public USBMscHandler {
- public:
- DiskIODriver* diskIODriver() {
- #if ENABLED(MULTI_VOLUME)
- #if SHARED_VOLUME_IS(SD_ONBOARD)
- return &card.media_driver_sdcard;
- #elif SHARED_VOLUME_IS(USB_FLASH_DRIVE)
- return &card.media_driver_usbFlash;
- #endif
- #else
- return card.diskIODriver();
- #endif
- }
-
- bool GetCapacity(uint32_t *pBlockNum, uint16_t *pBlockSize) {
- *pBlockNum = diskIODriver()->cardSize();
- *pBlockSize = BLOCK_SIZE;
- return true;
- }
-
- bool Write(uint8_t *pBuf, uint32_t blkAddr, uint16_t blkLen) {
- auto sd2card = diskIODriver();
- // single block
- if (blkLen == 1) {
- hal.watchdog_refresh();
- sd2card->writeBlock(blkAddr, pBuf);
- return true;
- }
-
- // multi block optimization
- sd2card->writeStart(blkAddr, blkLen);
- while (blkLen--) {
- hal.watchdog_refresh();
- sd2card->writeData(pBuf);
- pBuf += BLOCK_SIZE;
- }
- sd2card->writeStop();
- return true;
- }
-
- bool Read(uint8_t *pBuf, uint32_t blkAddr, uint16_t blkLen) {
- auto sd2card = diskIODriver();
- // single block
- if (blkLen == 1) {
- hal.watchdog_refresh();
- sd2card->readBlock(blkAddr, pBuf);
- return true;
- }
-
- // multi block optimization
- sd2card->readStart(blkAddr);
- while (blkLen--) {
- hal.watchdog_refresh();
- sd2card->readData(pBuf);
- pBuf += BLOCK_SIZE;
- }
- sd2card->readStop();
- return true;
- }
-
- bool IsReady() {
- return diskIODriver()->isReady();
- }
- };
-
- Sd2CardUSBMscHandler usbMscHandler;
-
- /* USB Mass storage Standard Inquiry Data */
- uint8_t Marlin_STORAGE_Inquirydata[] = { /* 36 */
- /* LUN 0 */
- 0x00,
- 0x80,
- 0x02,
- 0x02,
- (STANDARD_INQUIRY_DATA_LEN - 5),
- 0x00,
- 0x00,
- 0x00,
- 'M', 'A', 'R', 'L', 'I', 'N', ' ', ' ', /* Manufacturer : 8 bytes */
- 'P', 'r', 'o', 'd', 'u', 'c', 't', ' ', /* Product : 16 Bytes */
- ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ',
- '0', '.', '0', '1', /* Version : 4 Bytes */
- };
-
- USBMscHandler *pSingleMscHandler = &usbMscHandler;
-
- void MSC_SD_init() {
- USBDevice.end();
- delay(200);
- USBDevice.registerMscHandlers(1, &pSingleMscHandler, Marlin_STORAGE_Inquirydata);
- USBDevice.begin();
- }
-
- #endif // HAS_SD_HOST_DRIVE
- #endif // HAL_STM32
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