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- /**
- * Marlin 3D Printer Firmware
- *
- * Copyright (c) 2020 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"
-
- #if defined(__STM32F1__) && HAS_SD_HOST_DRIVE
-
- #include "msc_sd.h"
- #include "SPI.h"
-
- #define PRODUCT_ID 0x29
-
- USBMassStorage MarlinMSC;
- Serial0Type<USBCompositeSerial> MarlinCompositeSerial(true);
-
- #include "../../inc/MarlinConfig.h"
-
- #if SD_CONNECTION_IS(ONBOARD)
-
- #include "onboard_sd.h"
-
- static bool MSC_Write(const uint8_t *writebuff, uint32_t startSector, uint16_t numSectors) {
- return (disk_write(0, writebuff, startSector, numSectors) == RES_OK);
- }
- static bool MSC_Read(uint8_t *readbuff, uint32_t startSector, uint16_t numSectors) {
- return (disk_read(0, readbuff, startSector, numSectors) == RES_OK);
- }
-
- #endif
-
- #if ENABLED(EMERGENCY_PARSER)
- void (*real_rx_callback)(void);
-
- void my_rx_callback(void) {
- real_rx_callback();
- int len = MarlinCompositeSerial.available();
- while (len-- > 0) // >0 because available() may return a negative value
- emergency_parser.update(MarlinCompositeSerial.emergency_state, MarlinCompositeSerial.peek());
- }
- #endif
-
- void MSC_SD_init() {
- USBComposite.setProductId(PRODUCT_ID);
- // Just set MarlinCompositeSerial enabled to true
- // because when MarlinCompositeSerial.begin() is used in setup()
- // it clears all USBComposite devices.
- MarlinCompositeSerial.begin();
- USBComposite.end();
- USBComposite.clear();
- // Set api and register mass storage
- #if SD_CONNECTION_IS(ONBOARD)
- uint32_t cardSize;
- if (disk_initialize(0) == RES_OK) {
- if (disk_ioctl(0, GET_SECTOR_COUNT, (void *)(&cardSize)) == RES_OK) {
- MarlinMSC.setDriveData(0, cardSize, MSC_Read, MSC_Write);
- MarlinMSC.registerComponent();
- }
- }
- #endif
- // Register composite Serial
- MarlinCompositeSerial.registerComponent();
- USBComposite.begin();
- #if ENABLED(EMERGENCY_PARSER)
- //rx is usbSerialPart.endpoints[2]
- real_rx_callback = usbSerialPart.endpoints[2].callback;
- usbSerialPart.endpoints[2].callback = my_rx_callback;
- #endif
- }
-
- #endif // __STM32F1__ && HAS_SD_HOST_DRIVE
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