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STM32 Shared Media - USB Mass Storage Device (#20956)
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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 "../../inc/MarlinConfigPre.h" | ||
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#if defined(ARDUINO_ARCH_STM32) && !defined(STM32GENERIC) && HAS_SD_HOST_DRIVE | ||
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#include "msc_sd.h" | ||
#include "../shared/Marduino.h" | ||
#include "usbd_core.h" | ||
#include <USB.h> | ||
#include <USBMscHandler.h> | ||
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#define BLOCK_SIZE 512 | ||
#define PRODUCT_ID 0x29 | ||
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#include "../../sd/cardreader.h" | ||
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class Sd2CardUSBMscHandler : public USBMscHandler { | ||
public: | ||
bool GetCapacity(uint32_t *pBlockNum, uint16_t *pBlockSize) { | ||
*pBlockNum = card.getSd2Card().cardSize(); | ||
*pBlockSize = BLOCK_SIZE; | ||
return true; | ||
} | ||
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bool Write(uint8_t *pBuf, uint32_t blkAddr, uint16_t blkLen) { | ||
auto sd2card = card.getSd2Card(); | ||
// single block | ||
if (blkLen == 1) { | ||
watchdog_refresh(); | ||
sd2card.writeBlock(blkAddr, pBuf); | ||
return true; | ||
} | ||
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// multi block optmization | ||
sd2card.writeStart(blkAddr, blkLen); | ||
while (blkLen--) { | ||
watchdog_refresh(); | ||
sd2card.writeData(pBuf); | ||
pBuf += BLOCK_SIZE; | ||
} | ||
sd2card.writeStop(); | ||
return true; | ||
} | ||
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bool Read(uint8_t *pBuf, uint32_t blkAddr, uint16_t blkLen) { | ||
auto sd2card = card.getSd2Card(); | ||
// single block | ||
if (blkLen == 1) { | ||
watchdog_refresh(); | ||
sd2card.readBlock(blkAddr, pBuf); | ||
return true; | ||
} | ||
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// multi block optmization | ||
sd2card.readStart(blkAddr); | ||
while (blkLen--) { | ||
watchdog_refresh(); | ||
sd2card.readData(pBuf); | ||
pBuf += BLOCK_SIZE; | ||
} | ||
sd2card.readStop(); | ||
return true; | ||
} | ||
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bool IsReady() { | ||
return card.isMounted(); | ||
} | ||
}; | ||
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Sd2CardUSBMscHandler usbMscHandler; | ||
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/* 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 */ | ||
}; | ||
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USBMscHandler *pSingleMscHandler = &usbMscHandler; | ||
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void MSC_SD_init() { | ||
USBDevice.end(); | ||
delay(200); | ||
USBDevice.begin(); | ||
USBDevice.registerMscHandlers(1, &pSingleMscHandler, Marlin_STORAGE_Inquirydata); | ||
} | ||
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#endif // __STM32F1__ && HAS_SD_HOST_DRIVE |
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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/>. | ||
* | ||
*/ | ||
#pragma once | ||
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void MSC_SD_init(); |
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